CN203428813U - Crane telescopic boom and crane with same - Google Patents
Crane telescopic boom and crane with same Download PDFInfo
- Publication number
- CN203428813U CN203428813U CN201320440431.0U CN201320440431U CN203428813U CN 203428813 U CN203428813 U CN 203428813U CN 201320440431 U CN201320440431 U CN 201320440431U CN 203428813 U CN203428813 U CN 203428813U
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- oil cylinder
- hinge hole
- amplitude oil
- lifting device
- super lifting
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Abstract
The utility model discloses a crane telescopic boom. A main hinge point hole and a variable-amplitude cylinder hinge point hole of a super-lift device are formed in a basic boom section of the crane telescopic boom; the crane telescopic boom also comprises a first locating block and a second locating block; the first locating block is arranged on the basic boom section below the front side of the main hinge point hole; the side, adjacent to the main hinge point hole, of the first locating block is provided with a first concave arc locating surface; the first concave arc locating surface is adaptive to a convex arc surface of the hinge end of the super-lift device, and arranged by being concentric with the main hinge point hole; the second locating block is arranged on the basic boom section below the rear side of the variable-amplitude cylinder hinge point hole; the side, adjacent to the variable-amplitude cylinder hinge point hole, of the second locating block is provided with a second concave arc locating surface; the second concave arc locating surface is adaptive to a convex arc surface of the hinge end of a variable-amplitude cylinder, and arranged by being concentric with the variable-amplitude cylinder hinge point hole. Thus, the installation cost can be greatly reduced when the assembly efficiency is improved. The utility model also provides a crane with the telescopic boom on the basis.
Description
Technical field
The utility model relates to technical field of engineering machinery, is specifically related to a kind of telescopic boom and has the hoisting crane of this telescopic boom.
Background technology
Along with the development of world economy, the large-scale construction projects such as wind-powered electricity generation, large-scale petrochemical are increasing, the full Terrain Cranes of super-tonnage with its move flexibly, transition is rapid, can drop into fast the feature of operation, is subject to the favor in market.Meanwhile, more and more higher for super-tonnage crane performance requriements, its super lifting device is also more and more obvious as the importance that improves super-tonnage crane performance.
Refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the integral structure schematic diagram of existing super lifting device, Fig. 2 be in Fig. 1 A to the left and right arms of the formed super lifting device in visual angle and the matching relationship schematic diagram of tensioning hydro-cylinder.When crane super lifting device is worked, first super lifting device amplitude oil cylinder 1 is lifted super lifting device 2, makes super lifting device 2 and crane arm 3 roughly in 90 °; Then super lifting device tensioning hydro-cylinder 4 launches the left arm of super lifting device 25 and right arm 6 to form an angle.As everyone knows, super-tonnage crane volume is large, Heavy Weight, and in the time of need to carrying out transition operation, its super lifting device generally needs transportation separately, and the work capacity of dismounting super lifting device is larger; Obviously, the dismounting efficiency of super lifting device is to weigh an important indicator of super-tonnage crane operating efficiency.Specifically refer to Fig. 3, the figure shows the assembling schematic diagram of existing super lifting device.
As shown in Figure 3, this super lifting device assemble method need to be used two auxiliary hoists, by suspender 31 and suspender 32, super lifting device is steadily sling respectively, slowly move to the top of basic arm joint 33, under amplitude oil cylinder, hinge 34 is walked around the box-structure of 35 tops, basic arm hinge hole, drops down onto 35 belows, hinge hole; Then, by auxiliary hoist all around direction repeatedly adjust hinge hole 36 and hinge hole 37 centerings, this process wastes time and energy, in centering process, suspender 32 height outlines are higher than suspender 31, make super lifting device integral body be skewed (elevator end upwarps), so that main hinge hole centering wear axle; Suspender 31 is pulled down after fixing by axle in hinge hole 36 and hinge hole 37, will surpass under amplitude oil cylinder hinge 34 and sling and articulate and surpassed amplitude oil cylinder hinge 35 centerings with basic arm joint, and wear axle with whipline.Because auxiliary hoist fine motion is poor, overall package process expends for a long time; In addition, must assemble with two auxiliary hoists, cost of installation is higher.
In view of this, the super lifting device assembling location technology urgently looking for another way for existing telescopic arm crane is optimized design, effectively to improve packaging efficiency, reduces cost of installation.
Utility model content
For above-mentioned defect, the technical matters that the utility model solves is to provide a kind of telescopic crane boom, to guarantee conveniently to assemble super lifting device by the setting of corresponding align member, when improving packaging efficiency, can greatly reduce cost of installation.On this basis, the utility model also provides a kind of hoisting crane of this telescopic boom of application.
The telescopic crane boom that the utility model provides, comprises basic arm joint and the telescopic boom joint being connected successively, is provided with main hinge hole and the amplitude oil cylinder hinge hole of super lifting device on described basic arm joint; Also comprise the first locating piece and the second locating piece; Wherein, described the first locating piece is arranged on the described basic arm joint of below, front side, described main hinge hole, and described the first locating piece has the first interior concave arc locating surface with described main hinge hole sides adjacent, the outer convex arc surface of the pin jointed end of described the first interior concave arc locating surface and described super lifting device is suitable, and with concentric setting the in described main hinge hole; Described the second locating piece is arranged on the described basic arm joint of rear side below, described amplitude oil cylinder hinge hole, and the sides adjacent with described amplitude oil cylinder hinge hole of described the second locating piece has the second interior concave arc locating surface, the outer convex arc surface of the pin jointed end of described the second interior concave arc locating surface and described amplitude oil cylinder is suitable, and with concentric setting the in described amplitude oil cylinder hinge hole.
Preferably, also comprise the orienting lug that is arranged on described the second locating piece front side, described orienting lug has the spigot surface of the pin jointed end of the described amplitude oil cylinder of guiding; Described spigot surface is lower than described the second interior concave arc locating surface, and the length direction saving along described basic arm trends towards described the second interior concave arc locating surface.
Preferably, described orienting lug adopts nylon material to make.
Preferably, described orienting lug is fixedly connected with described basic arm joint by connecting element.
The hoisting crane that the utility model provides, comprises the telescopic boom hinged with turntable and is arranged on the super lifting device on described telescopic boom; Described telescopic boom is specially foregoing telescopic crane boom.
Preferably, the outer convex arc surface of the pin jointed end of described super lifting device and amplitude oil cylinder all adopts machine up to form.
Compared with prior art, the utility model is optimized design from the angle of align member setting, its first locating piece is positioned at the below, front side in main hinge hole, and there is the first interior concave arc locating surface suitable with the outer convex arc surface of the pin jointed end of super lifting device, its second locating piece is positioned at the rear side below in main hinge hole, and has the second interior concave arc locating surface suitable with the outer convex arc surface of the pin jointed end that has surpassed amplitude oil cylinder.So arrange, the first locating piece and the second locating piece are respectively in installing the process of super lifting device, set up successively the pre-determined bit of super lifting device and amplitude oil cylinder, hinge hole centering is convenient and swift, be easy to wear axle operation, thereby greatly facilitate super lifting device dismounting operation, for improving complete machine operating efficiency, provide reliable guarantee; In addition, only utilize a whipline can complete corresponding operating in the assembling process of super lifting device, cost of installation is effectively controlled.
In preferred version of the present utility model, have additional amplitude oil cylinder orienting lug.This orienting lug is arranged on below, front side, amplitude oil cylinder hinge hole, and its spigot surface is lower than the second interior concave arc locating surface, and the length direction saving along basic arm trends towards the second interior concave arc locating surface.So arrange, the pin jointed end that has surpassed amplitude oil cylinder can be free to slide on spigot surface, until surpassed the pin jointed end exterior arc surface of amplitude oil cylinder, contact with the second locating piece on basic arm and coordinate when tight and stop sliding, now surpassed and under amplitude oil cylinder, on hinge hole and basic arm, articulated that to have surpassed the hinge hole of amplitude oil cylinder concentric, can wear fast axle realization fixing, further improve packaging efficiency.
The telescopic boom that the utility model provides is applicable to any hoisting crane with super lifting device, is specially adapted to super-tonnage crane.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of existing super lifting device;
Fig. 2 be in Fig. 1 A to the left and right arms of the formed super lifting device in visual angle and the matching relationship schematic diagram of tensioning hydro-cylinder;
Fig. 3 shows the assembling schematic diagram of existing super lifting device;
Fig. 5 is the I portion enlarged drawing of Fig. 4;
Fig. 6 is the II portion enlarged drawing of Fig. 4;
Fig. 7 is the local enlarged diagram of the pin jointed end of super lifting device described in the specific embodiment;
Fig. 8 is that the axle of super lifting device amplitude oil cylinder described in the specific embodiment measures intention;
Fig. 9, Figure 10, Figure 11, Figure 14 are the process charts of super lifting device assemble method described in the specific embodiment;
Figure 12 is the III portion enlarged drawing of Figure 11;
Figure 13 is the IV portion enlarged drawing of Figure 11;
Figure 15 is the V portion enlarged drawing of Figure 14.
In Fig. 4-Figure 15:
The specific embodiment
Core of the present utility model is to provide a kind of telescopic crane boom of structure optimization, can effectively improve the packaging efficiency of its super lifting device by the setting of align member, can effectively control cost of installation simultaneously.Below in conjunction with Figure of description, illustrate present embodiment.
Referring to Fig. 4, should be the integral structure schematic diagram of telescopic crane boom described in present embodiment.The telescopic boom joint deployed condition of the not shown nested connection successively of this figure, to know the relative position relation between align member in this programme is shown to be saved with basic arm.
Comparatively speaking, be used for the front portion that the main hinge hole 11 hinged with the pin jointed end of super lifting device 20 is positioned at basic arm joint 10, for the hinged amplitude oil cylinder hinge hole 12 of the pin jointed end of amplitude oil cylinder 30 bottoms with super lifting device, be roughly positioned at the medium position of basic arm joint 10.The noun of locality used herein " front " is left side shown in Fig. 4, and the noun of locality " afterwards " be right side shown in Fig. 4, and the crane chassis of specifically take under use state is what benchmark defined, and in other words, take the visual angle of hoisting crane chaufeur is that benchmark defines; Should be appreciated that the technical scheme that the use of the above-mentioned noun of locality is asked for protection the application is not construed as limiting.
In this programme, corresponding to these two hinge holes, be respectively arranged with align member, specifically please also refer to Fig. 5 and Fig. 6, wherein, the I portion enlarged drawing that Fig. 5 is Fig. 4, the II portion enlarged drawing that Fig. 6 is Fig. 4.
The first locating piece 13 is arranged on the basic arm joint 10 of 11 belows, front side, main hinge hole, and the first locating piece 13 has the first interior concave arc locating surface 131 with main hinge hole 11 sides adjacent, this first interior concave arc locating surface 131 is suitable with the outer convex arc surface 201 of pin jointed end of super lifting device 20, and with the concentric setting in main hinge hole 11; Shown in Fig. 7, the figure shows the local enlarged diagram of pin jointed end of super lifting device.The second locating piece 14 is arranged on the basic arm joint 10 of 12 rear side belows, amplitude oil cylinder hinge hole, and the sides adjacent with amplitude oil cylinder hinge hole 12 of the second locating piece 14 has the second interior concave arc locating surface 141, this second interior concave arc locating surface 141 is suitable with the outer convex arc surface 301 of pin jointed end of amplitude oil cylinder 30, and with the concentric setting in amplitude oil cylinder hinge hole 12; Shown in Fig. 8, the axle that the figure shows super lifting device amplitude oil cylinder measures intention.
Thus, the first locating piece 13 and the second locating piece 14 in the process of super lifting device is installed, are set up the pre-determined bit of super lifting device 20 and amplitude oil cylinder 30 respectively successively, thereby can convenient and swift centering of carrying out hinge hole, smooth and easyly wear axle operation; Meanwhile, due to the design of pre-determined bit, in the assembling process of super lifting device, only utilize a whipline can complete corresponding operating.
In addition, on this basic arm joint 10, can also be provided for guiding the orienting lug 15 of amplitude oil cylinder 30 pin jointed ends.This orienting lug 15 is arranged on the front side of the second locating piece 14, and specifically as shown in Figure 6, orienting lug 15 has the spigot surface 151 of the pin jointed end of guiding amplitude oil cylinder 30; Spigot surface 151 is lower than the second interior concave arc locating surface 141, and trend towards the second interior concave arc locating surface 141 along the length direction of basic arm joint 10, that is to say, away from the spigot surface 151 in amplitude oil cylinder hinge hole 12 lower than the spigot surface 151 that approaches amplitude oil cylinder hinge hole 12; Shown in figure, away from the roughly horizontal setting of spigot surface 151 in amplitude oil cylinder hinge hole 12, when reliable realization guiding amplitude oil cylinder 30 pin jointed ends level off to amplitude oil cylinder hinge hole 12, fabrication properties is better.Certainly, away from the spigot surface 151 in amplitude oil cylinder hinge hole 12, be not limited to plane shown in figure, in fact, also can illustrate left side downward-sloping state gradually to the right, so that better guiding amplitude oil cylinder 30 pin jointed ends under initial condition.
Based on orienting lug 15, support and guide the function needs of amplitude oil cylinder 30 pin jointed ends, preferably, orienting lug 15 can adopt nylon material to make; Further, in order to improve the connective stability of orienting lug 15, nylon orienting lug 15 can be connected with basic arm joint 10 by connecting element 16.
Below describe application super lifting device packaging technology process of the present utility model in detail.
First, utilize a whipline 40 that super lifting device 20 is sling, as shown in Figure 9, in two point of connection of suspender 41, one is mounted on the middle part of super lifting device 20, and another one is mounted on super lift winch end; And keeping super lifting device 20 to be skewed, its pin jointed end is lower than its super lift winch end, specifically as shown in figure 10.Certainly, the amplitude oil cylinder 30 excessive convergence impact operations for fear of fitting together with super lifting device 20, can utilize chain 50 that super lifting device 20 is connected with the pin jointed end of amplitude oil cylinder 30, and the amplitude oil cylinder 30 naturally drooping under can not form assembles interference.
Secondly, super lifting device 20 is winched to the top of basic arm joint 10, drop to the outer convex arc surface 201 of its pin jointed end and contact with the first interior concave arc locating surface 131 of the first locating piece 13.
Again, adjust whipline 40 and make the main hinge hole 202 of super lifting device 20 and main hinge hole 11 centerings on basic arm joint 10, as shown in figure 11, wear axle and fix, specifically as shown in figure 12; Now, the outer convex arc surface 301 of the pin jointed end of amplitude oil cylinder 30 falls on the spigot surface 151 of orienting lug 15, specifically as shown in figure 13.
Next, continue whereabouts super lifting device 20, the outer convex arc surface 301 of pin jointed end of amplitude oil cylinder 30 is slided along the spigot surface 151 of orienting lug 15, until the outer convex arc surface 301 of the pin jointed end of amplitude oil cylinder 30 contacts with the second interior concave arc locating surface 141 of the second locating piece 14, as shown in figure 14, and amplitude oil cylinder hinge hole 12 centerings on the hinge hole 302 of amplitude oil cylinder 30 and basic arm joint 10, wear axle and fix, as Figure 15.Finally, pull down chain 50.
Wherein, for connecting the connection chain 50 of amplitude oil cylinder 30, any flexible connecting member can be adopted, all the operating needs in above-mentioned assembling process can be met.
Except aforementioned telescopic crane boom, the utility model also provides a kind of hoisting crane of this telescopic boom of application.Same as the prior art, this hoisting crane comprises the aforementioned telescopic boom hinged with turntable, is arranged on the super lifting device on this telescopic boom, and is arranged on the amplitude oil cylinder between telescopic boom and super lifting device.It should be noted that, other functional components such as the chassis system of this hoisting crane, electric system, hoisting system, power system all can adopt existing techniques in realizing, thus repeat no more herein, and do not carry out corresponding diagram.
For guaranteeing precision-fit, welding adopting process equipment to the first locating piece 13 welds to guarantee that the first interior concave arc locating surface 131 is concentric with main hinge hole 11, simultaneously, the outer convex arc surface 201 of super lifting device 20 is carried out to machinework (cylindrical milling cambered surface), guarantee that the outer convex arc surface 201 of super lifting device 20 is concentric with main hinge hole 11; Similarly, for guaranteeing precision-fit, welding adopting process equipment to the second locating piece 14 welds to guarantee that the second interior concave arc locating surface 141 is concentric with amplitude oil cylinder hinge hole 12, simultaneously, the outer convex arc surface 301 of amplitude oil cylinder 30 is carried out to machinework (cylindrical milling cambered surface), guarantee that the outer convex arc surface 301 of amplitude oil cylinder 30 is concentric with amplitude oil cylinder hinge hole 12.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a telescopic crane boom, comprises basic arm joint and the telescopic boom joint being connected successively, is provided with main hinge hole and the amplitude oil cylinder hinge hole of super lifting device on described basic arm joint; It is characterized in that, also comprise:
The first locating piece, be arranged on the described basic arm joint of below, front side, described main hinge hole, and described the first locating piece has the first interior concave arc locating surface with described main hinge hole sides adjacent, the outer convex arc surface of the pin jointed end of described the first interior concave arc locating surface and described super lifting device is suitable, and with concentric setting the in described main hinge hole; With
The second locating piece, be arranged on the described basic arm joint of rear side below, described amplitude oil cylinder hinge hole, and the sides adjacent with described amplitude oil cylinder hinge hole of described the second locating piece has the second interior concave arc locating surface, the outer convex arc surface of the pin jointed end of described the second interior concave arc locating surface and described amplitude oil cylinder is suitable, and with concentric setting the in described amplitude oil cylinder hinge hole.
2. telescopic crane boom according to claim 1, is characterized in that, also comprises the orienting lug that is arranged on described the second locating piece front side, and described orienting lug has the spigot surface of the pin jointed end of the described amplitude oil cylinder of guiding; Described spigot surface is lower than described the second interior concave arc locating surface, and the length direction saving along described basic arm trends towards described the second interior concave arc locating surface.
3. telescopic crane boom according to claim 2, is characterized in that, described orienting lug adopts nylon material to make.
4. telescopic crane boom according to claim 3, is characterized in that, described orienting lug is fixedly connected with described basic arm joint by connecting element.
5. a hoisting crane, comprises the telescopic boom hinged with turntable, is arranged on the super lifting device on described telescopic boom, and is arranged on the amplitude oil cylinder between described telescopic boom and described super lifting device; It is characterized in that the telescopic crane boom of described telescopic boom as described in any one in claim 1 to 4.
6. hoisting crane according to claim 5, is characterized in that, the outer convex arc surface of pin jointed end of described super lifting device and amplitude oil cylinder all adopts machine up to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440431.0U CN203428813U (en) | 2013-07-23 | 2013-07-23 | Crane telescopic boom and crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440431.0U CN203428813U (en) | 2013-07-23 | 2013-07-23 | Crane telescopic boom and crane with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203428813U true CN203428813U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320440431.0U Withdrawn - After Issue CN203428813U (en) | 2013-07-23 | 2013-07-23 | Crane telescopic boom and crane with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203428813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373671A (en) * | 2013-07-23 | 2013-10-30 | 徐州重型机械有限公司 | Telescopic boom and crane with the telescopic boom |
| CN115010009A (en) * | 2022-08-04 | 2022-09-06 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
-
2013
- 2013-07-23 CN CN201320440431.0U patent/CN203428813U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373671A (en) * | 2013-07-23 | 2013-10-30 | 徐州重型机械有限公司 | Telescopic boom and crane with the telescopic boom |
| CN103373671B (en) * | 2013-07-23 | 2015-07-22 | 徐州重型机械有限公司 | Telescopic boom and crane with the telescopic boom |
| CN115010009A (en) * | 2022-08-04 | 2022-09-06 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
| CN115010009B (en) * | 2022-08-04 | 2022-10-25 | 山东金科星机电股份有限公司 | Special cantilever crane in pit in mine |
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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: 20140212 Effective date of abandoning: 20150722 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150722 |
|
| RGAV | Abandon patent right to avoid regrant |