CN103964317A - Tracked crane - Google Patents
Tracked crane Download PDFInfo
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- CN103964317A CN103964317A CN201410168341.XA CN201410168341A CN103964317A CN 103964317 A CN103964317 A CN 103964317A CN 201410168341 A CN201410168341 A CN 201410168341A CN 103964317 A CN103964317 A CN 103964317A
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- turntable
- lengthening
- crawler crane
- mast
- connecting portion
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Abstract
The invention discloses a tracked crane. The tracked crane comprises a turntable, and further comprises a turntable extension mechanism arranged at the tail end of the turntable, a support mechanism arranged at the tail end of the turntable extension mechanism, a track beam and a balancer support mechanism mounted on the track beam in a sliding manner, wherein one end of the track beam is connected with the support mechanism, and the other end of the track beam is connected with the turntable. The tracked crane provided by the invention has a wide balancer moving range, can effectively increase the hoisting performance, and is simple in structure.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of crawler crane.
Background technology
Crawler crane is that one is utilized track-type swing arm rotary crane.It is large that crawler crane has track area, and crossing ability is good, strong adaptability and can be with the feature such as walking of carrying.Crawler crane can cut the earth, ram the several work such as soil and piling, is the major project machinery of building ground lifting operation.
Counterweight is the vitals that crawler crane ensures car load working stability.Generally, after the setting of counterweight is more leaned on, more contribute to improve the hoisting moment of hoisting crane.But rearmounted counterweight can increase again the hypsokinesis tendency of complete machine, cause the problem of crawler crane center shakiness.In order to solve this technical matters, prior art adopts the mode of mobile counterweight in addition.Concrete mode is to make existing rear counterweight into mobile counterweight, and the mobile range of this counterweight is little, not obvious to the improvement of lifting performance.Or make super-starting balance weight into mobile counterweight, and this counter weight construction complexity, need to surpass mast below again and install auxiliary support frame additional and realize, and cost is higher.
Summary of the invention
In view of this, it is larger that the present invention proposes a kind of counterweight mobile range, and crawler crane simple in structure.For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of crawler crane, comprise turntable, also comprise: turntable Lengthening mechanism, is arranged at the afterbody of described turntable; Supporting mechanism, is arranged at the afterbody of described turntable Lengthening mechanism; Track girder, its one end is connected with described supporting mechanism, and the other end is connected with described turntable; Counterweight supporting mechanism, it is slidably installed on described track girder.
Further, described crawler crane also comprises main amplitude mast; Described main amplitude mast comprises: head section mast, and rear mast, and be arranged at the lengthening mast between described head section mast and rear mast, described lengthening mast and described head section mast and rear mast all removably connect.
Further, described turntable Lengthening mechanism comprises: the first lengthening beam, and its head end is provided with the first connecting portion and the second connecting portion that are connected with described turntable; Its tail end is provided with the 3rd connecting portion and the 4th connecting portion that are connected with described supporting mechanism; The second lengthening beam, its head end is provided with the 5th connecting portion and the 6th connecting portion that are connected with described turntable; Its tail end is provided with the 7th connecting portion and the 8th connecting portion that are connected with described supporting mechanism; The first connecting cross beam, its two ends are connected with the head end of the second lengthening beam with the head end of described the first lengthening beam respectively; The second connecting cross beam, its two ends are connected with the tail end of the second lengthening beam with the tail end of described the first lengthening beam respectively.
Further, described turntable Lengthening mechanism also comprises: deep beam, between described the first connecting cross beam and the second connecting cross beam, two ends are connected with the second lengthening beam with described the first lengthening beam respectively.
Further, the number of described track girder is two, is arranged at respectively the both sides of described turntable.
Further, described in each, the two ends of track girder to interior thickness increases gradually.
Further, described counterweight supporting mechanism comprises: bracing frame, and it is provided with counterweight and lays district; Connecting portion, its lower end is connected with support frame as described above, and its upper end is provided with rotatable parts, and described rotatable parts are positioned on described track girder.
Further, described rotatable parts are roller, and described track girder is provided with sliding rail, and described roller is positioned at described sliding rail.
Further, described crawler crane also comprises: the driver train that drives described rotatable parts to rotate, and/or limit the lockable mechanism that described rotatable parts rotate.
Further, described turntable Lengthening mechanism and described turntable removably connect.
Crawler crane provided by the invention is provided with turntable Lengthening mechanism, supporting mechanism, track girder and counterweight supporting mechanism.Wherein, turntable Lengthening mechanism is used for lengthening turntable length, and the movement that realizes large radius for mobile counterweight provides prerequisite; Supporting mechanism is for linking together one end of track girder and turntable Lengthening mechanism; Track girder is used for supporting counterweight supporting mechanism and provides sliding rail for counterweight supporting mechanism; Counterweight supporting mechanism is used for laying counterweight and forms mobile counterweight.Operating personal can, by adjusting the length of turntable Lengthening mechanism and/or track girder in the installation site of turntable, just can be realized the adjustment of mobile counterweight shift motion.With respect to prior art, crawler crane mobile counterweight mobile range of the present invention is large, effectively promoted its lifting performance, and it is simple in structure.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The crawler crane part-structure schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The crawler crane part-structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The crawler crane part-structure schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The crawler crane part-structure schematic diagram that Fig. 4 provides for the embodiment of the present invention;
The crawler crane part-structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The structural representation of main amplitude mast in the crawler crane that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the crawler crane middle orbit beam that Fig. 7 provides for the embodiment of the present invention;
The structural representation of counterweight supporting mechanism in the crawler crane that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the crawler crane that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the crawler crane that Figure 10 provides for the embodiment of the present invention.
Description of reference numerals:
1 turntable 2 turntable Lengthening mechanisms
21 first lengthening beam 22 second lengthening beams
23 first connecting cross beam 24 second connecting cross beams
25 deep beam 3 supporting mechanisms
4 track girder 5 counterweight supporting mechanisms
51 bracing frame 52 connecting portions
521 rotatable parts 6 main amplitude masts
61 head end mast 62 rear masts
63 lengthen mast
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further.
In conjunction with shown in Fig. 1 to Fig. 5, a kind of crawler crane that the embodiment of the present invention provides, comprises turntable 1 (referring to Fig. 1), also comprises:
Turntable Lengthening mechanism 2 (referring to Fig. 2), is arranged at the afterbody of turntable 1;
Supporting mechanism 3 (referring to Fig. 3), is arranged at the afterbody of turntable Lengthening mechanism 2;
Track girder 4 (referring to Fig. 4), its one end is connected with supporting mechanism 3, and the other end is connected with turntable 1;
Counterweight supporting mechanism 5 (referring to Fig. 5), it is slidably installed on track girder 4.
The crawler crane that the present embodiment provides adopts the mode of portable counterweight, and in order to realize the mobile radius that increases mobile counterweight, this crawler crane includes the structures such as turntable Lengthening mechanism 2, supporting mechanism 3, track girder 4 and counterweight supporting mechanism 5.Wherein, turntable Lengthening mechanism 2 is arranged at the afterbody of turntable 1, plays the effect that lengthens turntable 1, and the movement that realizes large radius for mobile counterweight provides prerequisite.Supporting mechanism 3 is connected with track girder 4 with turntable Lengthening mechanism 2, and for the track that mobile counterweight is moved, one end of track girder 4 and turntable Lengthening mechanism 2 link together.The other end of track girder 4 is connected in turntable 1, and thus, track girder 4 is firmly installed on crawler crane.Counterweight supporting mechanism 5 is slidably installed on track girder 4, and counterweight is installed on after this counterweight supporting mechanism 5, has just formed mobile counterweight, and it can slide on track girder 4.Those skilled in the art can, by adjusting the length of turntable Lengthening mechanism 2 and/or track girder 4 in the installation site of turntable 1, realize the adjustment of mobile counterweight (being counterweight supporting mechanism 5) shift motion.The structure of above-mentioned turntable 1 can be same as the prior art, and the present invention does not hereby repeat.
Arrange after turntable Lengthening mechanism 2 at turntable 1 afterbody, overall turntable structure is elongated, needs thus the corresponding longer main amplitude mast that arranges.In order to reduce the change to existing crawler crane structure, increase the applicability to different operating modes simultaneously, refer to Fig. 6, the crawler crane that another preferred embodiment of the present invention provides can also comprise main amplitude mast 6; And the length of this main amplitude mast 6 is adjustable.Particularly, this main amplitude mast 6 comprises: head section mast 61, and rear mast 62, and be arranged at the lengthening mast 63 between head section mast 61 and rear mast 62, lengthen mast 63 and all removably connect with head section mast 61 and rear mast 62.With respect to existing main amplitude mast, the present embodiment increases by a joint at the middle part of main amplitude mast and lengthens mast 63, and the convenient length that regulates main amplitude mast thus, to adapt to the demand of different turntable length.Other structure of main amplitude mast 6 can be same as the prior art, and the present embodiment does not hereby repeat, and rear mast 62 can be connected with turntable 1.
Please, again referring to Fig. 2, above-mentioned turntable Lengthening mechanism 2 specifically can comprise:
The first lengthening beam 21, its head end is provided with the first connecting portion and the second connecting portion that are connected with turntable 1; Its tail end is provided with the 3rd connecting portion and the 4th connecting portion that are connected with supporting mechanism 3;
The second lengthening beam 22, its head end is provided with the 5th connecting portion and the 6th connecting portion that are connected with turntable 1; Its tail end is provided with the 7th connecting portion and the 8th connecting portion that are connected with supporting mechanism 3;
The first connecting cross beam 23, its two ends are connected with the head end of the second lengthening beam 22 with the head end of the first lengthening beam 21 respectively;
The second connecting cross beam 24, its two ends are connected with the tail end of the second lengthening beam 22 with the tail end of the first lengthening beam 21 respectively.
The position of above-mentioned the first connecting portion, the second connecting portion, the 5th connecting portion and the 6th connecting portion, can with the corresponding setting of connecting portion of four edges of rectangular surfaces that is positioned at turntable 1 afterbody.The position of the 3rd connecting portion, the 4th connecting portion, the 7th connecting portion and the second connecting portion, can distinguish corresponding setting with four connecting portions on supporting mechanism 3.
Further, in order to improve the mechanical property of above-mentioned turntable Lengthening mechanism 2, this turntable Lengthening mechanism 2 can also comprise: deep beam 25, and this deep beam 25 is between the first connecting cross beam 23 and the second connecting cross beam 24, and two ends are connected with the second lengthening beam 22 with the first lengthening beam 21 respectively.
Above-mentioned track girder 4 plays and supports counterweight supporting mechanism 5 and provide the effect of sliding rail for it.Because the weight of counterweight is mostly larger, for improve track connect 4 stressed, the number of track girder 4 is preferably two, is arranged at respectively the both sides of turntable 1.In addition, the most easily there is deformation or cracking in the central region of track girder 4, is mechanical property weakness zone, and therefore, in order to prevent that track girder 4 from deforming or ftractureing, the two ends of each track girder 4 to interior thickness increases (referring to Fig. 7) gradually.
Above-mentioned counterweight supporting mechanism 5 is used for placing counterweight on the one hand, on the other hand for the mobile position with change counterweight.Refer to Fig. 8, particularly, this counterweight supporting mechanism 5 can comprise:
Bracing frame 51, it is provided with counterweight and lays district; In the present embodiment, bracing frame 51 is that counterweight is laid district near the part at the two ends of vehicle-body width direction; In addition,, in order to reduce car load center of gravity, the bracing frame 51 of counterweight supporting mechanism 5 is preferably placed at the below of track girder 4;
Connecting portion 52, its lower end is connected with bracing frame 51, and its upper end is provided with rotatable parts 521, and these rotatable parts 51 are positioned on track girder 4.Particularly, these rotatable parts 521 can be roller, and corresponding, track girder 4 is provided with sliding rail, and roller is positioned at sliding rail.
Further, for the ease of controlling the movement of counterweight supporting mechanism 5, this crawler crane can also comprise: the driver train that drives rotatable parts 521 to rotate, and/or limit the lockable mechanism that rotatable parts 521 rotate.Above-mentioned driver train can be motor, oil cylinder, gear drive or chain wheel driving mechanism.Above-mentioned lockable mechanism can be ratchet device etc.
In addition, above-mentioned crawler crane intermediate station Lengthening mechanism 2 can removably connect with turntable 1, so that change the turntable Lengthening mechanism 2 of different length; Or when hoisting moment hour, turntable Lengthening mechanism can be unloaded, form the mobile counterweight of conventional hoisting crane.Similarly, track girder 4 also preferably and turntable 1 removably connect.
Crawler crane provided by the invention is provided with turntable Lengthening mechanism 2, supporting mechanism 3, track girder 4 and counterweight supporting mechanism 5.Wherein, turntable Lengthening mechanism 2 is for lengthening turntable 1 length, and the movement that realizes large radius for mobile counterweight provides prerequisite; Supporting mechanism 3 is for linking together one end of track girder 4 and turntable Lengthening mechanism 2; Track girder 4 is for supporting counterweight supporting mechanism 5 and providing sliding rail for counterweight supporting mechanism 5; Counterweight supporting mechanism 5 forms mobile counterweight for laying counterweight.Refer to Fig. 9 and Figure 10, wherein, Fig. 9 is in the time that counterweight supporting mechanism 5 moves to track girder 4 end, the view of mobile counterweight in the time of maximum radius, Figure 10 is in the time that counterweight supporting mechanism 5 moves to track girder 4 head end, the view of mobile counterweight in the time of minimum radius.With respect to prior art, it is large that the present invention has mobile counterweight mobile range concurrently, advantage simple in structure.Those skilled in the art can, by adjusting the length of turntable Lengthening mechanism 2 and/or track girder 4 in the installation site of turntable 1, just can realize the adjustment of mobile counterweight shift motion.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a crawler crane, comprises turntable (1), it is characterized in that, also comprises:
Turntable Lengthening mechanism (2), is arranged at the afterbody of described turntable (1);
Supporting mechanism (3), is arranged at the afterbody of described turntable (1) Lengthening mechanism;
Track girder (4), its one end is connected with described supporting mechanism (3), and the other end is connected with described turntable (1);
Counterweight supporting mechanism (5), it is slidably installed on described track girder (4).
2. crawler crane according to claim 1, is characterized in that, also comprises main amplitude mast (6); Described main amplitude mast (6) comprising: head section mast (61), rear mast (62), and being arranged at the lengthening mast (63) between described head section mast (61) and rear mast (62), described lengthening mast (63) all removably connects with described head section mast (61) and rear mast (62).
3. crawler crane according to claim 1, is characterized in that, described turntable Lengthening mechanism (2) comprising:
The first lengthening beam (21), its head end is provided with the first connecting portion and the second connecting portion that are connected with described turntable (1); Its tail end is provided with the 3rd connecting portion and the 4th connecting portion that are connected with described supporting mechanism (3);
The second lengthening beam (22), its head end is provided with the 5th connecting portion and the 6th connecting portion that are connected with described turntable (1); Its tail end is provided with the 7th connecting portion and the 8th connecting portion that are connected with described supporting mechanism (3);
The first connecting cross beam (23), its two ends are connected with the head end of the second lengthening beam (22) with the head end of described the first lengthening beam (21) respectively;
The second connecting cross beam (24), its two ends are connected with the tail end of the second lengthening beam (22) with the tail end of described the first lengthening beam (21) respectively.
4. crawler crane according to claim 3, it is characterized in that, described turntable Lengthening mechanism (2) also comprises: deep beam (25), be positioned between described the first connecting cross beam (23) and the second connecting cross beam (24), two ends are connected with the second lengthening beam (22) with described the first lengthening beam (21) respectively.
5. crawler crane according to claim 1, is characterized in that, the number of described track girder (4) is two, is arranged at respectively the both sides of described turntable (1).
6. crawler crane according to claim 5, is characterized in that, two ends to the interior thickness of track girder described in each (4) increases gradually.
7. crawler crane according to claim 1, is characterized in that, described counterweight supporting mechanism (5) comprising:
Bracing frame (51), it is provided with counterweight and lays district;
Connecting portion (52), its lower end is connected with support frame as described above (51), and its upper end is provided with rotatable parts (521), and described rotatable parts (521) are positioned on described track girder (4).
8. crawler crane according to claim 7, is characterized in that, described rotatable parts (521) are roller, and described track girder (4) is provided with sliding rail, and described roller is positioned at described sliding rail.
9. crawler crane according to claim 7, is characterized in that, also comprises: the driver train that drives described rotatable parts (521) to rotate, and/or limit the lockable mechanism that described rotatable parts (521) rotate.
10. crawler crane according to claim 1, is characterized in that, described turntable Lengthening mechanism (2) removably connects with described turntable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168341.XA CN103964317A (en) | 2014-04-24 | 2014-04-24 | Tracked crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168341.XA CN103964317A (en) | 2014-04-24 | 2014-04-24 | Tracked crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103964317A true CN103964317A (en) | 2014-08-06 |
Family
ID=51234398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410168341.XA Pending CN103964317A (en) | 2014-04-24 | 2014-04-24 | Tracked crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103964317A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460799A (en) * | 2014-09-29 | 2016-04-06 | 利勃海尔-韦尔克埃英根有限公司 | Crane, in particular derrick crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913537A (en) * | 2010-08-09 | 2010-12-15 | 辽宁抚挖重工机械股份有限公司 | Combined turntable of crawler crane |
| EP2281771A1 (en) * | 2009-08-06 | 2011-02-09 | Manitowoc Crane Companies, LLC | Lift crane with movable counterweight |
| CN201907942U (en) * | 2010-12-07 | 2011-07-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and superlift counterweight device thereof |
| CN102826464A (en) * | 2012-08-29 | 2012-12-19 | 三一重工股份有限公司 | Crawler crane mobile counterweight device and crawler crane |
| CN103420276A (en) * | 2012-05-17 | 2013-12-04 | 徐工集团工程机械股份有限公司 | Combined turntable and crane |
-
2014
- 2014-04-24 CN CN201410168341.XA patent/CN103964317A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2281771A1 (en) * | 2009-08-06 | 2011-02-09 | Manitowoc Crane Companies, LLC | Lift crane with movable counterweight |
| CN101913537A (en) * | 2010-08-09 | 2010-12-15 | 辽宁抚挖重工机械股份有限公司 | Combined turntable of crawler crane |
| CN201907942U (en) * | 2010-12-07 | 2011-07-27 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and superlift counterweight device thereof |
| CN103420276A (en) * | 2012-05-17 | 2013-12-04 | 徐工集团工程机械股份有限公司 | Combined turntable and crane |
| CN102826464A (en) * | 2012-08-29 | 2012-12-19 | 三一重工股份有限公司 | Crawler crane mobile counterweight device and crawler crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460799A (en) * | 2014-09-29 | 2016-04-06 | 利勃海尔-韦尔克埃英根有限公司 | Crane, in particular derrick crane |
| CN105460799B (en) * | 2014-09-29 | 2019-03-29 | 利勃海尔-韦尔克埃英根有限公司 | Crane, preferably jib crane |
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Application publication date: 20140806 |
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