CN205892574U - Arm festival structure, jib loading boom and hoist - Google Patents
Arm festival structure, jib loading boom and hoist Download PDFInfo
- Publication number
- CN205892574U CN205892574U CN201620767794.9U CN201620767794U CN205892574U CN 205892574 U CN205892574 U CN 205892574U CN 201620767794 U CN201620767794 U CN 201620767794U CN 205892574 U CN205892574 U CN 205892574U
- Authority
- CN
- China
- Prior art keywords
- reinforcing plate
- arm
- installation
- pulley
- plate structure
- 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.)
- Active
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model relates to a hoisting machinery technical field, in particular to arm festival structure, jib loading boom and hoist. The utility model provides an arm festival structure, it includes an arm section of thick bamboo and sets up the pulley mounting structure on an arm section of thick bamboo, and the pulley mounting structure is including the installation axle, and the pulley that the installation axle is used for arranging with the winding rope rotationally is connected, is equipped with first installation department on the arm section of thick bamboo, and the installation spool can be dismantled with first installation department and to be connected. Because being used for of pulley mounting structure is installed the installation axle of pulley and can be dismantled with an arm section of thick bamboo and be connected, consequently, the pulley mounting structure is changed in the dismouting of being convenient for, especially can make things convenient for the installation axle of dismantling the maintenance damage in time.
Description
Technical field
This utility model is related to hoisting machinery technical field, particularly to a kind of arm joint structure, crane arm and crane.
Background technology
Crane arm is main load part during crane hanging component, and it includes more piece arm joint, and the flexible of each arm joint can be by oil
Cylinder or rope mechanism realize.Realize flexible arm joint for using rope mechanism, it divides generally on two relative side neck arms
It is not provided with a pulley fixing structure, each pulley fixing structure is arranged at the leading portion of arm joint, be wound around for installing and fixing
The pulley of rope.In the course of the work, it is wound in the rope folding and unfolding on pulley, drive corresponding arm joint to stretch.
Welding shaft type pulley fixing structure is a kind of conventional pulley fixing structure in prior art.As shown in figure 1, arm joint
One welding shaft type pulley fixing structure is respectively arranged with two relative side neck arms, each welds shaft type pulley fixing structure bag
Include welding axle 2 ' and reinforcing plate 3 ', wherein, welding axle 2 ' is welded on the inwall of arm cylinder 1 ', and pulley is rotationally sheathed on welding
On axle 2 '；Reinforcing plate 3 ' is then accordingly welded on the outer wall of arm cylinder 1 ', for strengthening intensity, improves stress.
This welding shaft type pulley fixing structure, because it is welded in arm cylinder 1 ', non-dismountable, therefore, disassembling, assembling and replacing
Inconvenience, after being particularly susceptible the welding axle 2 ' damage of damage, detachable maintaining difficulty is larger；It is additionally, since welding axle 2 ' directly to weld
It is connected in arm cylinder 1 ', welding axle 2 ' need to be first machining, then just can be welded on the inwall of arm cylinder 1 ', therefore, be welded
Connect the impact of the factors such as deformation, the axle center of welding axle 2 ' is susceptible to deflection, and this can reduce the installation reliability of pulley, affects arm
The flexible smoothness of section.
Utility model content
A technical problem to be solved in the utility model is: existing arm joint, its pulley fixing structure directly welds
In arm cylinder, it is not easy to disassembling, assembling and replacing.
In order to solve above-mentioned technical problem, this utility model first aspect provides a kind of arm joint structure.This utility model
Arm joint structure include arm cylinder and the pulley installation structure being arranged in arm cylinder, wherein, pulley installation structure includes installation axle, peace
Dress axle is used for being rotatably coupled with the pulley being wound around rope, and arm cylinder is provided with the first installation portion, installation axle and the first installation portion
It is detachably connected.
Alternatively, pulley installation structure also includes reinforcing plate structure, and reinforcing plate structure setting is in arm cylinder, and strengthens hardened
Structure is provided with second installation portion corresponding with the first installation portion, and installation axle is also detachably connected with the second installation portion.
Alternatively, the first installation portion is the first installing hole, and the second installation portion is the second installing hole, and installation axle passes through the first peace
It is rotatably coupled with pulley behind dress hole and the second installing hole.
Alternatively, reinforcing plate structure welding is in arm cylinder, the first installing hole and the second installing hole be reinforcing plate structure with
Arm cylinder welding completes the hole opening up afterwards.
Alternatively, the flange that installation axle includes axis body and is located at axis body one end, axis body and the first installing hole and the second installation
Hole shaft hole matching, the size of flange is more than the size of the first installing hole and the second installing hole.
Alternatively, reinforcing plate structure includes the first reinforcing plate structure, the first reinforcing plate structure setting on the outer wall of arm cylinder,
First reinforcing plate structure is provided with the second installation portion；And/or, reinforcing plate structure includes the second reinforcing plate structure, the second reinforcing plate
On the inwall of arm cylinder, the second reinforcing plate structure is provided with the second installation portion to structure setting.
Alternatively, the first reinforcing plate structure and/or the second reinforcing plate structure include substrate and add-in card, and substrate is arranged at arm
On cylinder, add-in card is arranged on substrate.
Alternatively, the second installation portion is arranged on substrate, and the area of add-in card is less than the area of substrate, and add-in card is located at the
The side of two installation portions.
This utility model second aspect provides a kind of crane arm.This crane arm includes rope and the cunning for being wound around rope
Wheel, and, this crane arm also includes arm joint structure of the present utility model, and the pulley installation structure of arm joint structure is correspondingly provided with cunning
Wheel, pulley realizes the flexible of corresponding arm joint structure with rope cooperation.
This utility model third aspect additionally provides a kind of crane, and it includes crane arm of the present utility model.
Arm joint structure provided by the utility model, the installation axle for installing pulley of its pulley installation structure and arm cylinder
Be detachably connected, therefore, be easy to disassembling, assembling and replacing pulley installation structure it is particularly possible to easily and timely detachable maintaining damage installation
Axle.
By being described in detail to exemplary embodiment of the present utility model referring to the drawings, of the present utility model its
Its feature and its advantage will be made apparent from.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 illustrates the structural representation of arm joint structure of the prior art.
Fig. 2 illustrates the exploded perspective view of the arm joint structure of this utility model one embodiment and the package assembly of pulley.
Fig. 3 illustrates the structural representation of arm joint structure shown in Fig. 2.
In figure:
1 ', arm cylinder；2 ', weld axle；3 ', reinforcing plate；
1st, arm cylinder；2nd, installation axle；3rd, reinforcing plate structure；31st, the first reinforcing plate structure；311st, substrate；312nd, add-in card；
32nd, the second reinforcing plate structure；4th, spacer；5th, baffle plate；6th, bearing；7th, pulley.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is new and its applying or use.Based on the embodiment in this utility model, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of carrying out creative work, broadly fall into the scope of this utility model protection.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
When in the case of, described technology, method and apparatus should be considered authorize description a part.
It is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, in description of the present utility model
Vertically, vertically the orientation indicated by, level " and " top, bottom " etc. or position relationship are normally based on orientation shown in the drawings or position
Put relation, be for only for ease of description this utility model and simplify description, in the case of illustrating on the contrary, these nouns of locality
Do not indicate that and imply the device of indication or element must have specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that restriction to this utility model protection domain；The noun of locality " inside and outside " refers to respect to each part wheel of itself
Wide is inside and outside.
It is to be understood that limiting zero using the word such as " first ", " second " in description of the present utility model
Part, it is only for be easy to corresponding parts are distinguished, such as do not have Stated otherwise, above-mentioned word does not have particular meaning,
Therefore it is not intended that restriction to this utility model protection domain.
Fig. 2-3 shows the arm joint structure of this utility model one embodiment.With reference to Fig. 2 and Fig. 3, this utility model is provided
Arm joint structure, including arm cylinder 1 with the pulley installation structure that is arranged in arm cylinder 1, this pulley installation structure includes installation axle 2,
This installation axle 2 is used for being rotatably coupled with the pulley 7 being wound around rope, and arm cylinder 1 is provided with the first installation portion, installation axle 2 and the
One installation portion is detachably connected.
This utility model passes through to pacify the installation axle 2 being used for installing pulley 7 of pulley installation structure with first in arm cylinder 1
Dress portion is detachably connected so that installation axle 2 is detachably connected with arm cylinder 1, because installation axle 2 is no longer welded in arm cylinder 1, because
This, easily can carry out disassembling, assembling and replacing, the installation axle 2 that maintenance easy to disassemble damages to installation axle 2, advantageously ensures that arm joint is tied
The functional reliability of structure.It is additionally, since installation axle 2 to be not welded in arm cylinder 1, therefore, this utility model also helps to be prevented
The central axis of installation axle 2 produces deflection because of welding deformation, and then can improve the installation reliability of pulley 7 and arm joint structure is stretched
The smoothness of contracting.
And in order to improve the intensity of arm joint structure, improve stress at pulley installation structure for the arm joint structure, this reality
Can further include reinforcing plate structure 3 with new arm joint structure, this reinforcing plate structure 3 is arranged in arm cylinder 1, and should add
Hardened structure 3 is provided with second installation portion corresponding with the first installation portion by force, and installation axle 2 is also detachably connected with the second installation portion.
So installation axle 2 passes through the first installation portion and the second installation portion is detachably connected with arm cylinder 1, is easily installed the disassembling, assembling and replacing of axle 2,
And because reinforcing plate structure 3 can improve stress at pulley installation structure for the arm joint structure, therefore, this utility model arm
Preferably, intensity is higher for the stress of nodule structure.
In this utility model, the first installation portion can be the first installing hole, and the second installation portion can be the second installing hole,
Installation axle 2 is rotatably coupled with pulley 7 after passing through the first installing hole and the second installing hole, namely installation axle 2 is by with first
Installation portion and the second installation portion shaft hole matching are realizing and being detachably connected of arm cylinder 1.Based on this, reinforcing plate of the present utility model
Structure 3 can be welded in arm cylinder 1, and the first installing hole and the second installing hole could be arranged in reinforcing plate structure 3 and arm cylinder 1
Welding completes the hole opening up afterwards.Because the first installing hole and the second installing hole all can complete it in reinforcing plate 3 structure welding
Machine afterwards and be obtained, therefore, the central axis of the central axis of the first installing hole and the second installing hole can not be subject to welding deformation
Impact, the axiality of the first installing hole and the second installing hole is higher, advantageously ensures that installation axle 2 and the first installing hole and second
The quality of fit of installing hole, improves the smoothness that the installation reliability of pulley 7 and arm joint structure are stretched.
This utility model is further detailed with reference to the embodiment shown in Fig. 2 and Fig. 3.
As shown in Figures 2 and 3, in this embodiment, arm joint structure includes arm cylinder 1 and is arranged at arm cylinder 1 opposite sides cylinder
Two pulley installation structures on arm, each pulley installation structure includes installation axle 2, reinforcing plate structure 3, spacer 4, baffle plate 5 and
Bearing 6.
As shown in figure 3, in this embodiment, arm cylinder 1 is provided with the first installing hole as the first installation portion, this first peace
Dress hole is used for and installation axle 2 shaft hole matching.
Reinforcing plate structure 3 is arranged in arm cylinder 1, for improving the intensity of arm joint structure, improves arm joint structure and pacifies in pulley
Stress at assembling structure.As shown in figure 3, in this embodiment, reinforcing plate structure 3 includes the first reinforcing plate structure 31 and
Two reinforcing plate structures 32, wherein: the first reinforcing plate structure 31 is welded on the outer wall of arm cylinder 1, the second reinforcing plate structure 32 is welded
On the inwall of arm cylinder 1, the first reinforcing plate structure 31 and the second reinforcing plate structure 32 are equipped with as the second installation portion
Two installing holes.Second installing hole is correspondingly arranged with the first installing hole, and this second installing hole is also used for joining with installation axle 2 axis hole
Close.
Installation axle 2 is removably attachable in arm cylinder 1, for installing the pulley 7 being wound around rope.In this embodiment, pacify
Dress axle 2 by with arm cylinder 1 on the first installing hole and reinforcing plate structure 3 on the second installing hole shaft hole matching and removably connect
It is connected in arm cylinder 1.As shown in Fig. 2 the flange that the installation axle 2 of this embodiment includes axis body and is located at axis body one end, wherein, axis body
With the first installing hole and the second installing hole shaft hole matching；The size of flange is more than the size of the first installing hole and the second installing hole,
Spacing to installation axle 2 to realize, it is easily installed installation axle 2.
Bearing 6 is arranged between pulley 7 and the axis body of installation axle 2, so that bearing 7 can be more suitable with respect to installation axle 2
Rotate it is ensured that the smooth folding and unfolding of rope sharply.
Spacer 4 is arranged between bearing 6 and the second reinforcing plate structure 32, and baffle plate 5 is fixed on strengthening away from second of bearing 6
One end of hardened structure 32, spacer 4 and baffle plate 5 limit pulley 7 jointly along the displacement of installation axle 2 axial direction, and anti-limited slip wheel 7 produces along peace
The play of dress axle 2 axial direction, can avoid pulley 7 to come off.Certainly, baffle plate 5 not only can be arranged on arm as in this embodiment
The inside of cylinder 1, can also be arranged on the outside of arm cylinder 1, this can set according to the gap between the two of relative telescopic arm cylinder 1
Put, as long as baffle plate 5 can fixed block 7, anti-limited slip wheel 7 come off.
With reference to Fig. 2, based on the pulley installation structure of this embodiment, when being installed on pulley 7 in arm joint structure, Ke Yixian
By the axis body of installation axle 2 sequentially pass through the first installing hole in the first reinforcing plate structure 31, the second installing hole in arm cylinder 1 and
The second installing hole in second reinforcing plate structure 32, makes the flange of installation axle 2 be resisted against in the first reinforcing plate structure 31, rear enclosure
If spacer 4, and pulley 7 is sheathed on axis body 1 by bearing 6, realizes being rotatably connected of pulley 7 and installation axle 2, be easy to twine
The rope being around on pulley 7 carries out folding and unfolding, finally installs baffle plate 5, realizes the fixation to pulley 7.And after installation axle 2 is damaged,
Then only need to first remove baffle plate 5, pulley 7, bearing 6 and spacer 4, afterwards again by installation axle 2 from two installing holes and the first installing hole
Extract out, you can the installation axle 2 damaged is keeped in repair.It can be seen that, the pulley installation structure of this embodiment, it is easy to dismount, dismounting dimension
Repair that difficulty is relatively low, can be facilitated based on this pulley installation structure and quickly complete the detachable maintaining to installation axle 2, be conducive to protecting
The functional reliability of card pulley installation structure.
It is detachably connected by shaft hole matching between the installation axle 2 of this embodiment and arm cylinder 1, the first installing hole and second
Installing hole can machine formation after the first reinforcing plate structure 31 and the second reinforcing plate structure 32 are welded in arm cylinder 1 again,
Therefore, the central axis of the central axis of the first installing hole and the second installing hole can not be affected by welding deformation, the first peace
Preferable axiality can be kept between dress hole and the second installing hole, such that it is able to be prevented effectively from the central axis of installation axle 2 because
Welding deformation produces deflection it is ensured that the shaft hole matching precision of installation axle 2 and the first installing hole and the second installing hole, improves bearing 6
Stressing conditions, extend bearing 6 service life.
In this embodiment, reinforcing plate structure 3 includes the first reinforcing plate structure 31 and the second reinforcing plate structure 32, is based on
This, reinforcing plate structure 3 all can be strengthened to the outside of arm cylinder 1 and inner side, and this can improve arm joint structure further is sliding
Stress at wheel mounting structure is so that arm joint structure has higher intensity.Certainly, reinforcing plate structure of the present utility model
3 to only include one of the first reinforcing plate structure 31 and the second reinforcing plate structure 32 be also feasible.
Additionally, as shown in figure 3, in this embodiment, the first reinforcing plate structure 31 is double plate structure, and it includes substrate 311
With add-in card 312, substrate 311 is welded in arm cylinder 1, and add-in card 312 is then welded on substrate 311.Using double plate structure
One reinforcing plate structure 31, can preferably improve the stress of arm joint structure.
And, so that structure is relatively simple, the first reinforcing plate structure 31 of this embodiment adopts local double plate structure.
As shown in Figures 2 and 3, in this embodiment, the second installing hole of the first reinforcing plate structure 31 is arranged on substrate 311, and attached
Splice 312 be set to its area be less than substrate 311 area, and add-in card 312 be located at the second installing hole side so that
First reinforcing plate structure 31 is double plate structure in the second installing hole side, and the opposite side in the second installing hole is still tied for veneer
Structure, namely the first reinforcing plate structure 31 is local double plate structure.As shown in figure 3, no longer arranging on the add-in card 312 of this embodiment
Second installing hole, and the half bore that size is equal to or more than the second installing hole is only set, so both can be based on better simply structure
Ensure the intensity of arm joint structure, the installation of installation axle 2 can be facilitated again.
Load produced by arm joint structure is stretched is distributed mainly on the first installing hole and second being provided with installation axle 2
Near installing hole, therefore the add-in card 32 that area is less than substrate 311 area is arranged near the second installing hole by this embodiment, can
Enough intensity is had with guarantee arm joint structure.
Certainly, the first reinforcing plate structure 31 using overall double plate structure, namely can also can also make add-in card 312 and base
Plate 311 area equation, and this embodiment adopts local double plate structure, with respect to the situation using overall double plate structure, structure is more
Simply, weight is lighter, is conducive to improving the lifting performance of the crane arm with this arm joint structure.
In summary, the pulley installation structure of this embodiment arm joint structure, its structure is relatively simple, is easy to processing and manufacturing,
And pulley installation is not affected by welding deformation, the reliability of pulley can be realized under ensureing the precursor of sufficient intensity and rigidity
Install.And, this pulley installation structure takes up room less, and it is applicable not only to the sufficient arm joint structure of installing space, also fits
For the arm joint structure limited by installing space, such as the less veneer in gap arm head between the arm joint for relative telescopic and arm joint
Crane arm, the pulley installation structure of this embodiment is also suitable, and therefore, the pulley installation structure scope of application of this embodiment is wider,
It is more beneficial for the arrangement of pulley.
From Fig. 2 and Fig. 3, in this embodiment, the second reinforcing plate structure 32 is only single plate structure, it is to be understood that
Be, its actually it can also be provided that with the first reinforcing plate structure 31 identical structure, that is, the second reinforcing plate structure 32 can also
It is set to local double plate structure, certainly, the second reinforcing plate structure 32 may be arranged as overall double plate structure.In addition, it is real at this
Apply in example, identical positioned at the structure of two pulley installation structures of barrel 1 opposite sides, and the central axis pair with regard to arm cylinder 1
Claim setting, but it will be apparent to those skilled in the art that the structure of two pulley installation structures can also be different.
Additionally, the crane arm of inclusion this utility model arm joint structure and crane are also all in protection model of the present utility model
Within enclosing.Therefore, this utility model additionally provides a kind of crane arm and a kind of crane.Crane arm of the present utility model includes restricting
Arrange, be used for being wound around the pulley 7 of rope and arm joint structure of the present utility model, the pulley installation structure of arm joint structure is correspondingly provided with
Pulley 7, pulley 7 realizes the flexible of corresponding arm joint structure with rope cooperation.And crane of the present utility model includes this practicality
New crane arm.
The foregoing is only exemplary embodiment of the present utility model, not in order to limit this utility model, all in this reality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in of the present utility model
Within protection domain.
Claims (10)
1. a kind of arm joint structure, including arm cylinder (1) and the pulley installation structure that is arranged in described arm cylinder (1) it is characterised in that
Described pulley installation structure includes installation axle (2), and described installation axle (2) is used for rotationally connecting with the pulley (7) being wound around rope
Connect, described arm cylinder (1) is provided with the first installation portion, described installation axle (2) and described first installation portion are detachably connected.
2. arm joint structure according to claim 1 is it is characterised in that described pulley installation structure also includes reinforcing plate structure
(3), described reinforcing plate structure (3) is arranged in described arm cylinder (1), and described reinforcing plate structure (3) is provided with and described first
Corresponding second installation portion of installation portion, described installation axle (2) and described second installation portion are also detachably connected.
3. arm joint structure according to claim 2 is it is characterised in that described first installation portion is the first installing hole, described
Second installation portion is the second installing hole, described installation axle (2) pass through after described first installing hole and described second installing hole with institute
State pulley (7) to be rotatably coupled.
4. arm joint structure according to claim 3 is it is characterised in that described reinforcing plate structure (3) is welded in described arm cylinder
(1), on, described first installing hole and described second installing hole are to have welded in described reinforcing plate structure (3) and described arm cylinder (1)
The hole opening up after one-tenth.
5. arm joint structure according to claim 3 is it is characterised in that described installation axle (2) includes axis body and is located at described
The flange of axis body one end, described axis body and described first installing hole and described second installing hole shaft hole matching, the chi of described flange
The very little size more than described first installing hole and described second installing hole.
6. arm joint structure according to claim 2 is it is characterised in that described reinforcing plate structure (3) includes the first reinforcing plate
Structure (31), described first reinforcing plate structure (31) is arranged on the outer wall of described arm cylinder (1), described first reinforcing plate structure
(31) it is provided with described second installation portion；And/or, described reinforcing plate structure (3) includes the second reinforcing plate structure (32), and described the
Two reinforcing plate structures (32) are arranged on the inwall of described arm cylinder (1), and described second reinforcing plate structure (32) is provided with described
Two installation portions.
7. arm joint structure according to claim 6 is it is characterised in that described first reinforcing plate structure (31) and/or described
Second reinforcing plate structure (32) includes substrate (311) and add-in card (312), and described substrate (311) is arranged at described arm cylinder (1)
On, described add-in card (312) is arranged on described substrate (311).
8. arm joint structure according to claim 7 is it is characterised in that described second installation portion is arranged at described substrate
(311) on, the area of described add-in card (312) is less than the area of described substrate (311), and described add-in card (312) is located at described
The side of the second installation portion.
9. a kind of crane arm, including rope and for be wound around described rope pulley (7) it is characterised in that described crane arm also
Including the arbitrary described arm joint structure of such as claim 1-8, the pulley installation structure of described arm joint structure is correspondingly provided with described
Pulley (7), described pulley (7) realizes the flexible of corresponding described arm joint structure with the cooperation of described rope.
10. a kind of crane is it is characterised in that include crane arm as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767794.9U CN205892574U (en) | 2016-07-20 | 2016-07-20 | Arm festival structure, jib loading boom and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767794.9U CN205892574U (en) | 2016-07-20 | 2016-07-20 | Arm festival structure, jib loading boom and hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205892574U true CN205892574U (en) | 2017-01-18 |
Family
ID=57774115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620767794.9U Active CN205892574U (en) | 2016-07-20 | 2016-07-20 | Arm festival structure, jib loading boom and hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205892574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812743A (en) * | 2019-11-11 | 2020-02-21 | 长沙中联消防机械有限公司 | Rotating wheel device, rotating wheel device mounting structure, telescopic arm and fire fighting truck |
-
2016
- 2016-07-20 CN CN201620767794.9U patent/CN205892574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812743A (en) * | 2019-11-11 | 2020-02-21 | 长沙中联消防机械有限公司 | Rotating wheel device, rotating wheel device mounting structure, telescopic arm and fire fighting truck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202967930U (en) | Device for assisting assembly and disassembly of variable-amplitude oil cylinder and crane with device | |
| EP2639196B1 (en) | TOWER CRANE AND TIE ROD STRUCTURE of balance boom THEREOF, AND method for MOUNTING tie rod structure of balance boom | |
| CN104876106B (en) | Engine flywheel sling | |
| CN102897677B (en) | Crane fly jib self-assembly and disassembly device and method, as well as crane | |
| KR102061753B1 (en) | Cranes with gantry and boom forces that effectively match in superstructures | |
| CN205892574U (en) | Arm festival structure, jib loading boom and hoist | |
| CN102659037B (en) | Superlift device for crane and telescopic boom crane | |
| CN106081728A (en) | A kind of cable separate machine and take-up reel thereof and the removable retaining device of take-up reel | |
| CN205855588U (en) | The removable retaining device of cable separate machine and take-up reel and take-up reel thereof | |
| CN108083149A (en) | Wire line guide and rotary drilling rig | |
| CN207361598U (en) | A kind of flywheel terminal pad boom hoisting | |
| CN207973421U (en) | One kind being easy to fixed New Building Materials lifting machine | |
| JP2014189402A (en) | Hook block of working machine such as crane | |
| CN203021223U (en) | Variable-amplitude pulley block structure for crane and crane with mechanism | |
| CN206069245U (en) | Crawler crane setting-up balance weight dismounts luffing device certainly | |
| CN205823981U (en) | A kind of universal joint for rolling screen door | |
| CN208720123U (en) | A kind of crane portable lamp protective device | |
| CN109678067B (en) | A supplementary device of demolising for tower crane | |
| JP4562405B2 (en) | Hook block | |
| CN105347207A (en) | Combined type cantilever crane | |
| CN206172867U (en) | Assembly pulley hanging flower basket | |
| CN208328863U (en) | Landscape hinge movable dam | |
| CN110294426A (en) | Plug connection structure, supporting leg and vehicle frame connection component and crane | |
| CN205206343U (en) | Engineering machinery and cantilever crane mechanism thereof | |
| CN204873611U (en) | Segmentation is exempted from foldable rope of dismouting and is kept off device and have cantilever crane system that this rope kept off device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |