CN203602276U - Whole ground crane and rotary platform bracket thereof - Google Patents
Whole ground crane and rotary platform bracket thereof Download PDFInfo
- Publication number
- CN203602276U CN203602276U CN201320656874.3U CN201320656874U CN203602276U CN 203602276 U CN203602276 U CN 203602276U CN 201320656874 U CN201320656874 U CN 201320656874U CN 203602276 U CN203602276 U CN 203602276U
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- turntable
- support
- vehicle frame
- support portion
- rotary platform
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Abstract
The utility model discloses a rotary platform bracket for a whole ground crane. The whole ground crane comprises a frame and a rotary platform positioned above the frame, wherein the rotary platform bracket is provided with a base fixedly connected with the frame and a supporting part which is arranged on the base and can support the rotary platform. The rotary platform bracket disclosed by the utility model has the advantages that in the driving process without carrying lifting arms, the rotary platform bracket can provide effective support for the rotary platform, and the violent vibration is avoided, so that main mechanisms of the whole ground crane are protected. The utility model also discloses the whole ground crane with the rotary platform bracket.
Description
Technical field
The utility model relates to technical field of engineering machinery, and particularly a kind of turntable support also relates to a kind of full Terrain Cranes with this turntable support.
Background technology
Full Terrain Cranes is a kind of performance-oriented hoisting crane, and it not only can be fast, grow distance travel, and can operation under the harsh environment such as rugged, narrow and small.Its turntable is positioned at revolution to be supported above, to carry all load of getting on the bus, as luffing mechanism, lifting mechanism, arm, counterweight etc., supports and jointly makes the revolution of above mechanism with revolution; And this turntable can also provide installing space for parts such as Hydraulic Elements, electric elements, fuel tank, elevators.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the view that full Terrain Cranes band arm travels; Fig. 2 is the view that full Terrain Cranes does not travel with arm.
As shown in Figure 1, front part of vehicle has arm support 5, and supporting leg 2 is folding to be positioned on vehicle frame 6, and when full Terrain Cranes band arm 1 travels, arm support 5 supports arm 1; Turntable 4 returns back to vehicle rear, by vehicle rear body supports.
As shown in Figure 2, when full Terrain Cranes is not with arm 1 to travel, turntable 4 rotates to front part of vehicle, now, the root of turntable 4 is positioned at revolution to be supported on 3, and this revolution is supported 3 and provided support a little for turntable 4, turntable 4 roots to the base portion of afterbody is suspended on supporting leg 2 tops, not supported by the strong point.
Please refer to Fig. 3, Fig. 3 is the force analysis figure of full Terrain Cranes turntable while not travelling with arm.
For the full Terrain Cranes of super-tonnage, the weight of its turntable 4 can reach 20 tons, and the horizontal throw of the above-mentioned strong point and turntable 4 centers of gravity can reach 9 meters.As shown in Figure 3, in figure, G represents the gravity of turntable 4, and this Action of Gravity Field is in the focus point at turntable 4 rear portions; Turntable 4 roots also have the strong point, are subject to bearing force F.Turntable 4 weight of full Terrain Cranes are larger, and its Action of Gravity Field point is large with the horizontal throw of its root strong point, and under the effect of gravity, turntable 4 easily bends or topples.
And, as described above, full Terrain Cranes is often in severe road conditions, in long distance travel process, the factor such as jolt will cause turntable 4 vertical directions frequently to tremble, turntable 4 trembles and will produce larger impulsive force, very easily causes the fatigue damage of revolution support 3 and other framing members, reduces the safe reliability of full Terrain Cranes main components.
Therefore, in the process of not travelling with arm 1, how making the turntable 4 of full Terrain Cranes obtain effectively support, avoid its severe vibration, thereby protect the principal organ of full Terrain Cranes, is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is for providing a kind of full Terrain Cranes and turntable support thereof.In the process of not travelling with arm, this turntable support can provide effective support for turntable, avoids its severe vibration, thereby protects the principal organ of full Terrain Cranes.
For solving the problems of the technologies described above, the utility model provides a kind of turntable support, for full Terrain Cranes, described full Terrain Cranes comprises vehicle frame and is positioned at the turntable of described vehicle frame top, described turntable support has the pedestal being fixedly connected with described vehicle frame, and is arranged at described pedestal and can supports the support portion of described turntable.
After above-mentioned turntable support is installed, in the process of not travelling with arm, the turntable of full Terrain Cranes can obtain effective support that support portion provides, thereby avoids turntable severe vibration, protects other principal organ of full Terrain Cranes simultaneously.
Preferably, also comprise elastomeric element, described elastomeric element is between described support portion and described turntable.
Above-mentioned elastomeric element can also any one be fixedly connected with turntable or support portion, to avoid elastomeric element generation play, affects damping effect.
Preferably, described elastomeric element comprises rubber pad.
Preferably, also comprise the vertical oil cylinder being arranged between described pedestal and described vehicle frame, to regulate the lifting altitude of described turntable support.
Adopt after vertical oil cylinder, the pedestal of turntable support can move up and down under the effect of vertical oil cylinder, to regulate oneself height.
Preferably, described vertical oil cylinder has energy storage.
In the time there is vibration or impact, can provide constant vertical bearing force for member, avoid further member to be destroyed.
Preferably, described pedestal comprises U-shaped support, and the two ends of described U-shaped support all have described support portion, to support respectively the both sides of described turntable.
Preferably, also comprise connection bearing pin; The two ends of described U-shaped support all have pin shaft hole, and described connection bearing pin coordinates with described pin shaft hole, and to connect described support portion and described U-shaped support, described support portion can be around the axis rotation of described connection bearing pin.
Bearing pin type of attachment is easy to use, flexible operation.
Preferably, described U-shaped support is the box type construction with square-section, and the both sides outside plate of box type construction has perforate.
This perforate can reduce the welding stress that U-shaped support produces in welding process.
The utility model also provides a kind of full Terrain Cranes, comprises vehicle frame and is positioned at the turntable of described vehicle frame top, also comprises the turntable support described in above-mentioned any one.This full Terrain Cranes has the technique effect identical with above-mentioned turntable support, does not repeat them here.
Accompanying drawing explanation
Fig. 1 is the view that full Terrain Cranes band arm travels;
Fig. 2 is the view that full Terrain Cranes does not travel with arm;
Fig. 3 is the force analysis figure of full Terrain Cranes turntable while not travelling with arm;
Fig. 4, for the utility model provides the working state schematic representation of a kind of specific embodiment of turntable support, illustrates when full Terrain Cranes is not with arm to travel, and this turntable support supports turntable;
Fig. 5 is another working state schematic representation of Fig. 4 intermediate station support, illustrates that when full Terrain Cranes band arm travels, turntable support is positioned between arm and vehicle frame;
The structural representation of a kind of specific embodiment of the turntable support that Fig. 6 provides for the utility model.
Fig. 1-3:
1 arm, 2 supporting legs, 3 revolution supports, 4 turntables, 5 arm supports, 6 vehicle frames
Fig. 4-6:
21 turntables, 22 vehicle frames, 23 supporting legs, 24 turntable supports, 25 arms, 26 connect bearing pin, 241 pedestals, 242 support portions, 243 elastomeric elements, 244 vertical oil cylinders, 245 energy storages, 24a perforate
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 4 and Fig. 5, Fig. 4, for the utility model provides the working state schematic representation of a kind of specific embodiment of turntable support, illustrates when full Terrain Cranes is not with arm to travel, and this turntable support supports turntable; Fig. 5 is another working state schematic representation of Fig. 4 intermediate station support, illustrates that when full Terrain Cranes band arm travels, turntable support is positioned between arm and vehicle frame.
Full Terrain Cranes has vehicle frame 22, arm 25, supporting leg 23 and turntable 21 etc., and the turntable support 24 that the utility model provides is for described full Terrain Cranes.In Fig. 4 and Fig. 5, the direction of vertical paper represents the direction of crane running, and in the process of moving, supporting leg 23 shrinks in the left and right sides of turntable support 24 full Terrain Cranes all the time.While not being with arm 25 to travel, turntable support 24 is positioned at vehicle frame 22 front portions, between turntable 21 and vehicle frame 22; When band arm 25 travels, turntable 21 rotates to vehicle frame 22 rear portions, and turntable support 24 is between arm 25 and vehicle frame 22.This turntable support 24 mainly comprises pedestal 241 and support portion 242, and pedestal 241 is fixedly connected with above-mentioned vehicle frame 22, and support portion 242 is arranged at said base 241, and can support above-mentioned turntable 21.
In the process of not travelling with arm 25; above-mentioned turntable support 24 provides the actv. strong point for turntable 21; avoid its main body to be suspended on vehicle frame top; thereby eliminate the adverse effect that turntable 21 gravity cause it; also can avoid occurring severe vibration, thereby protect other principal organ of full Terrain Cranes.
Above-mentioned turntable support 24 can also have elastomeric element 243, and this elastomeric element 243 is arranged between support portion 242 and turntable 21, to avoid support portion 242 to contact with turntable 21 rigidity, protects above-mentioned both structures not to be damaged; And elastomeric element 243 can absorption portion collision energy, slows down the vibration of full Terrain Cranes agent structure.
Above-mentioned elastomeric element 243 can also any one be fixedly connected with turntable 21 or support portion 242, to avoid elastomeric element 243 that play occurs, affects damping effect.Certainly, elastomeric element 243 is preferably fixed on support portion 242, and convenient operation does not affect 21 body structures of turntable yet.
Further, above-mentioned elastomeric element 243 can be rubber pad.Rubber pad has good elasticity, and cheap.
The turntable support 24 that can also provide the utility model does further improvement.
Please refer to Fig. 6, the structural representation of a kind of specific embodiment of the turntable support that Fig. 6 provides for the utility model.
As shown in Figure 6, and in conjunction with Fig. 4 and Fig. 5, this turntable support 24 can also have vertical oil cylinder 244, and this vertical oil cylinder 244 is arranged between the pedestal 241 and vehicle frame 22 of turntable support 24, and one end is fixedly connected with above-mentioned vehicle frame 22, to obtain stable support; The other end is fixedly connected with above-mentioned turntable support 24, to regulate the lifting altitude of this turntable support 24.
Adopt after vertical oil cylinder 244, the pedestal 241 of turntable support 24 can move up and down under the effect of vertical oil cylinder 244, to regulate oneself height.As shown in Figure 4, when turntable 21 is positioned at turntable support 24 top, vertically oil cylinder 244 raises turntable support 24, so that above-mentioned turntable 21 is supported in support portion 242; As shown in Figure 5, turntable support 24 rotates to vehicle frame 22 rear portions, and arm 25 is while being positioned at turntable support 24 top, and vertically oil cylinder 244 reduces turntable support 24, so that provide accommodation space for above-mentioned arm 25.In addition, while highly changing based on Mismachining tolerance or working process intermediate station 21, the vertically height of the adjustable turntable support 24 of oil cylinder 244, so that support portion 242 can effectively be supported turntable 21 all the time.
It should be noted that, do not adopt vertical oil cylinder 244 also passable, such as, directly turntable support 24 is fixedly connected on to vehicle frame 22, this kind of version, support portion 242 need to have larger vertical size, so that it contacts with the bottom surface of turntable 21, and then support turntable 21; Or pedestal 241 self has enough vertical sizes, and support portion 242 is lifted to the bottom surface of turntable 21.
Compare, except the above-mentioned advantage of mentioning, adopt vertical oil cylinder 244, the support portion 242 of turntable support 24 and pedestal 241 all can have less vertical size, under the prerequisite providing support for turntable 21, be conducive to improve the overall construction intensity of support portion 242 and pedestal 241, avoid vertical when oversize, under weight, unstability occurs.
As shown in Figure 6, this vertical oil cylinder 244 is preferably located between pedestal 241 bottoms and vehicle frame 22, to reduce the vertical size of vertical oil cylinder 244, avoids large-size components, under weight, unstability occurs; And pedestal 241 bottom surfaces have larger erection space, are beneficial to fitting operation.
Further, this vertical oil cylinder 244 can also have energy storage 245, this energy storage 245 has the effect of storage and hold-off pressure, be positioned at vertical oil cylinder 244 one end near vehicle frame 22, in the time there is vibration or impact, can, for member provides constant vertical bearing force, avoid further member to be destroyed.
Further, can be optimized the structure of pedestal 241, for example, described pedestal 241 comprises a U-shaped support, and the two ends of this U-shaped support all have above-mentioned support portion 242, and as shown in Figure 4, the both sides of turntable 21 can be supported respectively in this support portion 242.
Do not affecting on the basis of turntable support 24 structural strengths, the opening part of U-shaped support can provide sufficient accommodation space for arm 25; And U-shaped structure design is easy, with low cost, easy for operation.In addition, the both sides of turntable 21 are supported respectively in the support portion 242 at U-shaped support two ends, can obtain comparatively stable support effect.
As described above, when being with arm 25 and not being with arm 25 to travel, turntable support 24 may need lifting, in the time that turntable support 24 declines, should guarantee that support portion 242 is non-interference with the supporting leg 23 of packing up.This technique effect can be accomplished in several ways, for example, this turntable support 24 can also have the bearing pin 26 of connection, the support portion 242 at above-mentioned U-shaped support two ends can have pin shaft hole, two pin shaft holes are connected respectively bearing pin 26 and coordinate with two, support portion 242 can be rotated around the axis of corresponding connection bearing pin 26.
As shown in Figure 4, when turntable support 24 is positioned at turntable 21 below, the support portion 242 of arranged on left and right sides turns to the outside of U-shaped support, for turntable 21 provides horizontal support face; After turntable 21 is removed, on the basis of Fig. 4, cw, left-hand revolution 180 are spent respectively in above-mentioned left and right two support portions 242, and towards U-shaped support inner side, as shown in Figure 5, then, turntable support 24 is under the effect of vertical oil cylinder 244, landing certain altitude, to reserve the space of accommodating arm 25, in this process, turntable support 24 does not interfere with supporting leg 23.
As shown in Figure 6, above-mentioned U-shaped support can be for having the box-structure of square-section, the both sides outside plate that surrounds this box-structure all has perforate 24a, shape and the number of the utility model to perforate 24a is not specifically limited, in Fig. 6, perforate 242a comprises and is positioned at the slotted hole of U-shaped frame bottom and the profile hole of both sides.This perforate 24a can reduce the welding stress that U-shaped support produces in welding process.
The utility model also provides a kind of full Terrain Cranes, comprises the turntable support 24 in vehicle frame 22, turntable 21 and each embodiment mentioned above.This full Terrain Cranes has the technique effect identical with above-mentioned turntable support 24, does not repeat them here.
Above the full Terrain Cranes of one provided by the utility model and turntable support thereof are all described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. a turntable support, for full Terrain Cranes, described full Terrain Cranes comprises vehicle frame (22) and is positioned at the turntable (21) of described vehicle frame (22) top, it is characterized in that, described turntable support (24) has the pedestal (241) being fixedly connected with described vehicle frame (22), and is arranged at described pedestal (241) and can supports the support portion (242) of described turntable (21).
2. turntable support as claimed in claim 1, is characterized in that, also comprises elastomeric element (243), and described elastomeric element (243) is positioned between described support portion (242) and described turntable (21).
3. turntable support as claimed in claim 2, is characterized in that, described elastomeric element (243) comprises rubber pad.
4. turntable support as claimed in claim 1, it is characterized in that, also comprise the vertical oil cylinder (244) being arranged between described pedestal (241) and described vehicle frame (22), to regulate the lifting altitude of described turntable support (24).
5. turntable support as claimed in claim 4, is characterized in that, described vertical oil cylinder (244) has energy storage (245).
6. the turntable support as described in claim 1-5 any one, it is characterized in that, described pedestal (241) comprises U-shaped support, and the two ends of described U-shaped support all have described support portion (242), to support respectively the both sides of described turntable (21).
7. turntable support as claimed in claim 6, is characterized in that, also comprises and connects bearing pin (26); The two ends of described U-shaped support all have pin shaft hole, described connection bearing pin (26) coordinates with described pin shaft hole, to connect described support portion (242) and described U-shaped support, described support portion (242) can be around the axis rotation of described connection bearing pin (26).
8. turntable support as claimed in claim 7, is characterized in that, described U-shaped support is the box type construction with square-section, and the both sides outside plate of box type construction has perforate (24a).
9. a full Terrain Cranes, comprises vehicle frame (22) and is positioned at the turntable (21) of described vehicle frame (22) top, it is characterized in that, also comprises the turntable support (24) as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656874.3U CN203602276U (en) | 2013-10-23 | 2013-10-23 | Whole ground crane and rotary platform bracket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656874.3U CN203602276U (en) | 2013-10-23 | 2013-10-23 | Whole ground crane and rotary platform bracket thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602276U true CN203602276U (en) | 2014-05-21 |
Family
ID=50714963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656874.3U Withdrawn - After Issue CN203602276U (en) | 2013-10-23 | 2013-10-23 | Whole ground crane and rotary platform bracket thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203602276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496642A (en) * | 2013-10-23 | 2014-01-08 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN108454495A (en) * | 2018-04-18 | 2018-08-28 | 徐工集团工程机械股份有限公司 | A kind of efficient levelling crawler rack |
-
2013
- 2013-10-23 CN CN201320656874.3U patent/CN203602276U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496642A (en) * | 2013-10-23 | 2014-01-08 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN103496642B (en) * | 2013-10-23 | 2015-04-22 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN108454495A (en) * | 2018-04-18 | 2018-08-28 | 徐工集团工程机械股份有限公司 | A kind of efficient levelling crawler rack |
| CN108454495B (en) * | 2018-04-18 | 2024-01-12 | 徐工集团工程机械股份有限公司 | High-efficient adjustable level track support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20150422 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20150422 |