CN202643186U - Circular track type trolley and crawler crane - Google Patents
Circular track type trolley and crawler crane Download PDFInfo
- Publication number
- CN202643186U CN202643186U CN 201220195763 CN201220195763U CN202643186U CN 202643186 U CN202643186 U CN 202643186U CN 201220195763 CN201220195763 CN 201220195763 CN 201220195763 U CN201220195763 U CN 201220195763U CN 202643186 U CN202643186 U CN 202643186U
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- ring
- chassis
- turntable
- roller
- rail
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Abstract
The utility model relates to a circular track type trolley and a crawler crane. The circular track type trolley comprises a front trolley, a back trolley and a connection frame; the front trolley and the back trolley are arranged on a circular track; the connection frame is connected with the back trolley; the back trolley comprises two first roller groups and a roller bracket; the roller bracket is connected between the two first roller groups; and two joints at one end of the connection frame are respectively connected with the two first roller groups, and two joints at the other end of the connection frame are used for being connected with a rotating table at the lower part. The circular track type trolley provided by the utility model shares a stress of rotation support when the crawler crane hoists a load in a still mode. Furthermore, when the crawler crane rotates in a load manner, not only can the load supporting effect be realized, but also the rotation function can be realized. Therefore, the stability of the crawler crane in the working process can be ensured.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of ring-rail type chassis and crawler crane.
Background technology
Crawler crane is a kind of hoisting crane that adopts the truss-type cantilever crane structure of caterpillar band traveling chassis.Along with the field of application of crawler crane is more and more wider, crawler crane is also at the crawler crane future development to the super-tonnage lifting.
The crawler crane of super-tonnage is in static hanging when carrying mode of operation, and turntable need to bear larger load, and in hanging year revolution mode of operation, the load-carrying capacity of the pivoting support of turntable is more limited at present, is difficult to stably finish hang carry a rotating action.
Therefore, need design a kind of can in hoisting crane, cooperate turntable to realize hanging to carry revolution move, and the structure that can bear larger load satisfies the engineering demand of present super-tonnage crawler crane.
The utility model content
The purpose of this utility model is to propose a kind of ring-rail type chassis and crawler crane, can cooperate the turntable of crawler crane to realize hanging a year revolution action, and can bear larger load.
For achieving the above object, the utility model provides a kind of ring-rail type chassis, comprise front chassis, the rear chassis that is arranged on the ring rail and the link span that links to each other with rear chassis, described rear chassis comprises two the first roller set and rolling wheel support, described rolling wheel support is connected between two the first roller set, two joints of one end of described link span are connected on described two the first roller set, and two joints of the other end of described link span are used for being connected with lower turntable.
Further, described front chassis is two, and two front chassis are symmetricly set on the described ring rail with respect to described rear chassis, is respectively applied to be fixed with the two ends, the left and right sides of anterior turntable.
Further, described front chassis comprises upper bracket, middle bracket and a plurality of the second roller set, described the second roller set is connected with described middle bracket by pivot pin, described middle bracket is connected with described upper bracket by pivot pin, described upper bracket be provided with for the fixing fixed mount of anterior turntable.
Further, described the second roller set comprises triangle turning rolls and the four rolling of the upper surface that is arranged on described ring rail, the rotating shaft of described roller is arranged in two axis holes of lower end of described triangle turning rolls, also be provided with horizontal roller under each roller, described horizontal roller is arranged on the side of described ring rail.
Further, described the first roller set comprises triangle turning rolls and the four rolling of the upper surface that is arranged on described ring rail, and the rotating shaft of described roller is arranged in two axis holes of lower end of described triangle turning rolls.
For achieving the above object, the utility model provides a kind of crawler crane, comprise the turntable that is consisted of by anterior turntable, lower turntable, afterbody turntable and middle part turntable, wherein, also comprise arbitrary aforesaid ring-rail type chassis, the link span of described ring-rail type chassis links to each other with described lower turntable, and the front chassis of described ring-rail type chassis and described anterior turntable are fixed.
Based on technique scheme; ring-rail type chassis of the present utility model is shared the stressed of revolution support static the hanging of crawler crane when carrying; both play the effect of bearing load and hang at crawler crane when carrying revolution, also possessed rotating function simultaneously, the stability when guaranteeing crawler crane work.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of the utility model ring-rail type chassis.
Fig. 2 is the decomposition texture schematic diagram of front chassis among the utility model ring-rail type chassis embodiment.
Fig. 3 is the decomposition texture schematic diagram of rear chassis among the utility model ring-rail type chassis embodiment.
Fig. 4 is the package assembly schematic diagram of the utility model ring-rail type chassis embodiment.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, be the structural representation of an embodiment of the utility model ring-rail type chassis.The ring-rail type chassis comprises three parts at least in Fig. 1, is respectively front chassis 1A, 1B, rear chassis 2 and link span 3.Whole ring-rail type chassis all is arranged on the ring rail 6.Front chassis 1A and front chassis 1B are symmetricly set on the ring rail 6 with respect to rear chassis 2, are used for anterior turntable 5(referring to Fig. 4) two ends, the left and right sides be fixed.
As shown in Figure 2, be the decomposition texture schematic diagram of chassis before among the utility model ring-rail type chassis embodiment.In Fig. 2, show the decomposition texture of a front chassis, comprise upper bracket 11, middle bracket 12 and a plurality of the second roller set 13, the second roller set 13 is connected with middle bracket 12 by pivot pin, middle bracket 12 is connected with upper bracket 11 by pivot pin, upper bracket 11 be provided with for anterior turntable 5(referring to Fig. 4) fixing fixed mount 111.Formed thus three grades supporting construction, a plurality of the second roller set 13 have been comprised in this structure, and the support that connects these roller set firm support structure triangular in shape, upper bracket still has the radian that matches on the whole according to the radian of ring rail, so that front chassis can move at the ring rail easily.
In Fig. 2, the second roller set 13 further comprise be arranged on ring rail 6(referring to Fig. 1) triangle turning rolls 131 and the four rolling 132 of upper surface, the rotating shaft of roller 132 is arranged in two axis holes of lower end of triangle turning rolls 131, also be provided with horizontal roller 133 132 times at each roller, horizontal roller 133 is arranged on the side of ring rail 6, is the state that envelope ring rail 6.The structure of this second roller set 13 can be made into standard element, is convenient to change.Horizontal roller 133 can so that maintain the position of the second roller set 13 on ring rail 6, avoid front chassis to break away from the generation of situation from ring rail 6.In Fig. 2, also have some bearing pins that do not identify, connecting element, all can adopt existing gauge member, and arrange as required, just be not described in detail here.
As shown in Figure 3, be the decomposition texture schematic diagram of chassis after among the utility model ring-rail type chassis embodiment.In Fig. 3, rear chassis 2 comprises two the first roller set 22 and rolling wheel support 21.Rolling wheel support 21 is connected between two the first roller set 22, and two the first roller set 22 are connected with two joints of link span 3 one ends by bearing pin respectively.The first roller set 22 comprises triangle turning rolls 221 and the four rolling 222 of upper surface that is arranged on ring rail 6, and the rotating shaft of roller 222 is arranged in two axis holes of lower end of triangle turning rolls 221.In Fig. 3, also have some bearing pins that do not identify, connecting element, all can adopt existing gauge member, and arrange as required, just be not described in detail here.
Fig. 4 has provided the later structure of assembling of the utility model ring-rail type chassis embodiment.In Fig. 4, rear chassis and link span are arranged on the front chassis 1A on the ring rail 6 as we can see from the figure owing to being blocked not identifiedly to go out, and 1B fixes with the two ends, the left and right sides of anterior turntable 5 respectively.And lower turntable 4 links to each other with rear chassis by link span.
The embodiment of the ring-rail type chassis of introducing from above can find out; ring-rail type chassis of the present utility model is shared the stressed of revolution support static the hanging of crawler crane when carrying; both played the effect of bearing load when carrying revolution and hang at crawler crane; also possesses simultaneously rotating function, the stability when guaranteeing crawler crane work.Crawler crane with above-mentioned ring-rail type chassis embodiment, also comprise the turntable that is consisted of by anterior turntable, lower turntable, afterbody turntable and middle part turntable, because the ring-rail type chassis can be realized above-mentioned technique effect, corresponding crawler crane of the present utility model can be realized above-mentioned technique effect too, has just repeated no more here.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (6)
1. ring-rail type chassis, it is characterized in that, comprise front chassis, the rear chassis that is arranged on the ring rail and the link span that links to each other with rear chassis, described rear chassis comprises two the first roller set and rolling wheel support, described rolling wheel support is connected between two the first roller set, two joints of one end of described link span are connected on described two the first roller set, and two joints of the other end of described link span are used for being connected with lower turntable.
2. ring-rail type chassis according to claim 1 is characterized in that, described front chassis is two, and two front chassis are symmetricly set on the described ring rail with respect to described rear chassis, is respectively applied to be fixed with the two ends, the left and right sides of anterior turntable.
3. ring-rail type chassis according to claim 2, it is characterized in that, described front chassis comprises upper bracket, middle bracket and a plurality of the second roller set, described the second roller set is connected with described middle bracket by pivot pin, described middle bracket is connected with described upper bracket by pivot pin, described upper bracket be provided with for the fixing fixed mount of anterior turntable.
4. ring-rail type chassis according to claim 3, it is characterized in that, described the second roller set comprises triangle turning rolls and the four rolling of the upper surface that is arranged on described ring rail, the rotating shaft of described roller is arranged in two axis holes of lower end of described triangle turning rolls, also be provided with horizontal roller under each roller, described horizontal roller is arranged on the side of described ring rail.
5. ring-rail type chassis according to claim 1, it is characterized in that, described the first roller set comprises triangle turning rolls and the four rolling of the upper surface that is arranged on described ring rail, and the rotating shaft of described roller is arranged in two axis holes of lower end of described triangle turning rolls.
6. crawler crane, comprise the turntable that is consisted of by anterior turntable, lower turntable, afterbody turntable and middle part turntable, it is characterized in that, also comprise the arbitrary described ring-rail type chassis of claim 1 ~ 5, the link span of described ring-rail type chassis links to each other with described lower turntable, and the front chassis of described ring-rail type chassis and described anterior turntable are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195763 CN202643186U (en) | 2012-05-04 | 2012-05-04 | Circular track type trolley and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195763 CN202643186U (en) | 2012-05-04 | 2012-05-04 | Circular track type trolley and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643186U true CN202643186U (en) | 2013-01-02 |
Family
ID=47412323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220195763 Expired - Lifetime CN202643186U (en) | 2012-05-04 | 2012-05-04 | Circular track type trolley and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202643186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480858A (en) * | 2015-12-31 | 2016-04-13 | 太原重工股份有限公司 | Circular track crane and automatic operation rectifying system thereof |
| CN108328487A (en) * | 2018-04-11 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of two-orbit super large heavy-duty hoisting equipment with deformation function |
-
2012
- 2012-05-04 CN CN 201220195763 patent/CN202643186U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480858A (en) * | 2015-12-31 | 2016-04-13 | 太原重工股份有限公司 | Circular track crane and automatic operation rectifying system thereof |
| CN105480858B (en) * | 2015-12-31 | 2017-05-17 | 太原重工股份有限公司 | Circular track crane and automatic operation rectifying system thereof |
| CN108328487A (en) * | 2018-04-11 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of two-orbit super large heavy-duty hoisting equipment with deformation function |
| CN108328487B (en) * | 2018-04-11 | 2024-04-16 | 徐工集团工程机械股份有限公司 | Double-track oversized hoisting equipment with deformation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |