CN102285600B - Crawler crane counter weight moving device and crane comprising same - Google Patents
Crawler crane counter weight moving device and crane comprising same Download PDFInfo
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- CN102285600B CN102285600B CN201110200408.XA CN201110200408A CN102285600B CN 102285600 B CN102285600 B CN 102285600B CN 201110200408 A CN201110200408 A CN 201110200408A CN 102285600 B CN102285600 B CN 102285600B
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- crawler crane
- sliding sleeve
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Abstract
The invention discloses a crawler crane counter weight moving device, which comprises a counter weight, a cross beam, a rod-like telescopic device, a sliding device and a counter weight connecting seat, wherein the cross beam is a hexagonal box body; one end of the top surface of the cross beam is provided with a telescopic device connecting seat; the telescopic device connecting seat is connected with one end of the rod-like telescopic device; the sliding device comprises a sliding sleeve and a telescopic device fixing seat; and the sliding sleeve is transversely sleeved on the cross beam. The device has the beneficial effects that: the counter weight is driven by the sliding device to move forwards and backwards along the cross beam by using stretching of the telescopic device, so that the torque change caused by the counter weight to a hanged load is realized; telescopic sliding of the sliding device along the telescopic device is more flexible by using a crawler rolling device in the sliding device; the contact surface of the cross beam and the sliding device is uniformly stressed; and the counter weight connecting seat is reinforced by using reinforcing ribs, so that the counter weight connecting seat more stably slides along with the sliding device.
Description
Technical field
The present invention relates to a kind of crawler crane, especially a kind of crawler crane counterweight mobile device and comprise the hoisting crane of this device.
Background technology
The counterweight of known crawler crane is generally fixing, and concrete form is: mass is fixed on to crawler crane A shape frame, and the counterweight stay cord being fixed on crawler crane platform with an one end is connected and fixed.The counter weight device of this kind of form makes the counterweight of crawler crane cannot change with respect to the moment of hanging loading owing to not moving, thereby causes the lifting load of crawler crane to change, and then causes the field of application of crawler crane to be restricted.
Summary of the invention
The problems referred to above that exist for existing crawler crane, the invention provides a kind of crawler crane counterweight mobile device and comprise the hoisting crane of this device.
The technical scheme that technical solution problem of the present invention adopts is:
A kind of crawler crane counterweight mobile device, comprise counterweight, wherein, comprise crossbeam, shaft-like retractor device, carriage and counterweight Connection Block, described crossbeam is six shape casings, described crossbeam end face one end is provided with retractor device Connection Block, described retractor device Connection Block is connected with described shaft-like retractor device one end, described carriage comprises sliding sleeve and retractor device permanent seat, described sliding sleeve is laterally enclosed within on described crossbeam, described retractor device permanent seat is located at described sliding sleeve top, described retractor device permanent seat is connected with the described shaft-like retractor device other end, described sliding sleeve bottom is connected with described counterweight Connection Block, described counterweight Connection Block is connected with described counterweight.
Above-mentioned crawler crane counterweight mobile device, wherein, is provided with tourelle in the sliding sleeve of described carriage, and described tourelle contacts with described crossbeam end face, and the rotating direction of described tourelle is identical with the direction of slip of described sliding sleeve.
Above-mentioned crawler crane counterweight mobile device, wherein, described sliding sleeve is trough-shaped body, and described trough-shaped body comprises notch and both sides cell wall, and described trough-shaped body notch is enclosed within downwards on described crossbeam.
Above-mentioned crawler crane counterweight mobile device, wherein, described shaft-like retractor device is hydraulic ram.
Above-mentioned crawler crane counterweight mobile device, wherein, described tourelle is crawler belt.
Above-mentioned crawler crane counterweight mobile device, wherein, described counterweight Connection Block comprises a pair of positioning groove and base plate, the edge, both sides that the parallel distribution of described a pair of positioning groove is relative with described base plate, described a pair of positioning groove comprises respectively internal groove side wall and external groove sidevall, and described a pair of positioning groove blocks the both sides cell wall of the sliding sleeve of described trough-shaped body, and described internal groove side wall withstands the bottom surface of described crossbeam, on described base plate, the one side of described a pair of positioning groove is established a pair of otic placode dorsad, and described otic placode is connected with described counterweight.
Above-mentioned crawler crane counterweight mobile device, wherein, the described internal groove side wall inner side of a pair of positioning groove of described counterweight Connection Block is connected with reinforced rib, and described reinforced rib is held the bottom surface of described crossbeam.
Above-mentioned crawler crane counterweight mobile device, wherein, on the described internal groove side wall of a pair of positioning groove of described counterweight Connection Block, there are a plurality of screws, on described external groove sidevall and described internal groove side wall, a plurality of screw correspondence positions have a plurality of through holes, on the both sides cell wall of described trough-shaped body with described external groove sidevall on a plurality of through hole correspondence positions have a plurality of through holes, also comprise a plurality of bolts, described bolt, through the through hole on the both sides cell wall of the through hole on described external groove sidevall and described trough-shaped body, is connected with the screw on described internal groove side wall.
A crawler crane, comprises platform, swing arm and chassis, wherein, also comprises as above-mentioned crawler crane counterweight mobile device, and described crawler crane counterweight mobile device is connected with described platform rear portion.
The invention has the beneficial effects as follows:
Utilize the flexible carriage that makes of retractor device to drive counterweight to move forward and backward along crossbeam direction, thereby realize, change counterweight to hanging the moment variations of carrying, crawler type tourelle in carriage makes carriage more flexible with the telescopic slide of retractor device, and make crossbeam and carriage contact surface stressed evenly, counterweight Connection Block adopts reinforced rib to add while forcing counterweight Connection Block to slide with carriage more stable.
Accompanying drawing explanation
Fig. 1 is crawler crane counterweight mobile device constructional drawing of the present invention;
Fig. 2 is the section-drawing of crawler crane counterweight mobile device of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, crawler crane counterweight mobile device of the present invention comprises counterweight, wherein, comprise crossbeam 1, shaft-like retractor device 2, carriage 3 and counterweight Connection Block 4, crossbeam 1 is six shape casings, crossbeam 1 end face one end is provided with retractor device Connection Block 11, retractor device Connection Block 11 is connected with shaft-like retractor device 2 one end, carriage 3 comprises sliding sleeve 31 and retractor device permanent seat 32, sliding sleeve 31 is laterally enclosed within on crossbeam 1, retractor device permanent seat 32 is located at sliding sleeve 31 tops, retractor device permanent seat 32 is connected with shaft-like retractor device 2 other ends, sliding sleeve 31 bottoms are connected with counterweight Connection Block 4, counterweight Connection Block 4 is connected with counterweight.Flexible by retractor device 2 slidably reciprocates carriage 3 on crossbeam 1, and then drives together with the counterweight Connection Block 4 of carriage 3 bottoms and the counterweight on it and move, and plays and changes the effect of counterweight to the moment variations of hanging year.
Further, in the sliding sleeve 31 of carriage 3, be provided with tourelle 311, tourelle 311 contacts with crossbeam 1 end face, and the rotating direction of tourelle 311 is identical with the direction of slip of sliding sleeve 31.The friction producing when tourelle 311 slides the sliding sleeve 31 of carriage 3 on crossbeam 1 reduces, and makes the slip of carriage 3 more flexible.
Further, sliding sleeve 31 is trough-shaped body, and trough-shaped body comprises notch and both sides cell wall, and described trough-shaped body notch is enclosed within downwards on described crossbeam 1.Adopt the sliding sleeve 31 of trough-shaped body to make carriage 3 installations easier, safeguard more convenient.
Further shaft-like retractor device 2 is hydraulic ram.Hydraulic ram is applicable to making high-power components, meets the functional requirement of hoisting crane, and hydraulic ram can adopt bearing pin to be connected with retractor device permanent seat 32 with retractor device Connection Block 11.
Further, tourelle 311 is crawler belt.Crawler-mounted tourelle 311 can make carriage 3 stressed evenly with the contact surface of crossbeam 1, extends the service life of each parts.
Further, counterweight Connection Block 4 comprises a pair of positioning groove 41 and base plate 42, the edge, both sides that the parallel distribution of a pair of positioning groove 41 is relative with base plate 42, a pair of positioning groove 41 comprises respectively internal groove side wall 411 and external groove sidevall 412, a pair of positioning groove 41 blocks the both sides cell wall of trough-shaped body sliding sleeve 31, internal groove side wall 411 withstands the bottom surface of crossbeam 1, and on base plate 42, the one side of a pair of positioning groove 41 is established a pair of otic placode dorsad, and otic placode is connected with counterweight.The counterweight Connection Block 4 of this kind of mode is difficult for generation while carriage 3 being slided with the connection mode of carriage 3 and rocks, and reduces the wearing and tearing of parts.
Further, internal groove side wall 411 inner sides of a pair of positioning groove 41 of counterweight Connection Block 4 are connected with reinforced rib 413, and reinforced rib 413 is held the bottom surface of described crossbeam 1.Reinforced rib 413 has been strengthened the support of 411 pairs of crossbeam 1 bottom surfaces of internal groove side wall, more stable while slidably installing 3 slip, has alleviated internal groove side wall 411 pressures simultaneously, can extend the service life of counterweight Connection Block.
Further, on the internal groove side wall 411 of a pair of positioning groove 41 of counterweight Connection Block 4, there are a plurality of screws, on external groove sidevall 412 and internal groove side wall 411, a plurality of screw correspondence positions have a plurality of through holes, on the both sides cell wall of trough-shaped body with external groove sidevall on a plurality of through hole correspondence positions on 412 have a plurality of through holes, also comprise a plurality of bolts, bolt, through the through hole on the both sides cell wall of the through hole on external groove sidevall 412 and trough-shaped body, is connected with the screw on internal groove side wall 411.This kind of connection structure is that counterweight Connection Block 4 is more firm with being connected of carriage 3.
The present invention also provides a kind of crawler crane, comprises platform, swing arm and chassis, wherein, also comprises crawler crane counterweight mobile device as above, and one end of the crossbeam 1 of crawler crane counterweight mobile device is connected with platform rear portion.
The foregoing is only preferred embodiment of the present invention, not thereby limit claim of the present invention, so the equivalent structure that all utilizations specification sheets of the present invention and diagramatic content have been done changes, be all included in protection scope of the present invention.
Claims (9)
1. a crawler crane counterweight mobile device, comprise counterweight, it is characterized in that, comprise crossbeam (1), shaft-like retractor device (2), carriage (3) and counterweight Connection Block (4), described crossbeam (1) is six shape casings, described crossbeam (1) end face one end is provided with retractor device Connection Block (11), described retractor device Connection Block (11) is connected with described shaft-like retractor device (2) one end, described carriage (3) comprises sliding sleeve (31) and retractor device permanent seat (32), described sliding sleeve (31) is laterally enclosed within on described crossbeam (1), described retractor device permanent seat (32) is located at described sliding sleeve (31) top, described retractor device permanent seat (32) is connected with described shaft-like retractor device (2) other end, described sliding sleeve (31) bottom is connected with described counterweight Connection Block (4), described counterweight Connection Block (4) is connected with described counterweight.
2. crawler crane counterweight mobile device as claimed in claim 1, it is characterized in that, in the sliding sleeve (31) of described carriage (3), be provided with tourelle (311), described tourelle (311) contacts with described crossbeam (1) end face, and the rotating direction of described tourelle (311) is identical with the direction of slip of described sliding sleeve (31).
3. crawler crane counterweight mobile device as claimed in claim 1, is characterized in that, described sliding sleeve (31) is trough-shaped body, and described trough-shaped body comprises notch and both sides cell wall, and described trough-shaped body notch is enclosed within downwards on described crossbeam (1).
4. crawler crane counterweight mobile device as claimed in claim 1, is characterized in that, described shaft-like retractor device (2) is hydraulic ram.
5. crawler crane counterweight mobile device as claimed in claim 2, is characterized in that, described tourelle (311) is crawler belt.
6. crawler crane counterweight mobile device as claimed in claim 3, it is characterized in that, described counterweight Connection Block (4) comprises a pair of positioning groove (41) and base plate (42), the edge, both sides that the parallel distribution of described a pair of positioning groove (41) is relative with described base plate (42), described a pair of positioning groove (41) comprises respectively internal groove side wall (411) and external groove sidevall (412), described a pair of positioning groove (41) blocks the both sides cell wall of the sliding sleeve (31) of described trough-shaped body, described internal groove side wall (411) withstands the bottom surface of described crossbeam (1), on described base plate (42), the one side of described a pair of positioning groove (41) is established a pair of otic placode dorsad, described otic placode is connected with described counterweight.
7. crawler crane counterweight mobile device as claimed in claim 6, it is characterized in that, described internal groove side wall (411) inner side of a pair of positioning groove (41) of described counterweight Connection Block (4) is connected with reinforced rib (413), and described reinforced rib (413) is held the bottom surface of described crossbeam (1).
8. crawler crane counterweight mobile device as claimed in claim 6, it is characterized in that, on the described internal groove side wall (411) of a pair of positioning groove (41) of described counterweight Connection Block (4), there are a plurality of screws, described external groove sidevall (412) has a plurality of through holes with the upper a plurality of screw correspondence positions of described internal groove side wall (411), on the both sides cell wall of described trough-shaped body with described external groove sidevall on a plurality of through hole correspondence positions on (412) have a plurality of through holes, also comprise a plurality of bolts, described bolt is through the through hole on the both sides cell wall of the through hole on described external groove sidevall (412) and described trough-shaped body, be connected with the screw on described internal groove side wall (411).
9. a crawler crane, comprises platform, swing arm and chassis, it is characterized in that, also comprises that one end of described crossbeam (1) is connected with described platform rear portion as crawler crane counterweight mobile device as described in arbitrary in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200408.XA CN102285600B (en) | 2011-07-18 | 2011-07-18 | Crawler crane counter weight moving device and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200408.XA CN102285600B (en) | 2011-07-18 | 2011-07-18 | Crawler crane counter weight moving device and crane comprising same |
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| Publication Number | Publication Date |
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| CN102285600A CN102285600A (en) | 2011-12-21 |
| CN102285600B true CN102285600B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110200408.XA Active CN102285600B (en) | 2011-07-18 | 2011-07-18 | Crawler crane counter weight moving device and crane comprising same |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7967158B2 (en) | 2006-10-27 | 2011-06-28 | Manitowoc Crane Companies, Llc | Mobile lift crane with variable position counterweight |
| US9278834B2 (en) | 2009-08-06 | 2016-03-08 | Manitowoc Crane Group, LLC | Lift crane with moveable counterweight |
| CN102491200B (en) * | 2011-12-22 | 2013-08-28 | 上海三一科技有限公司 | Movable counter weight structure of crawler crane and crane comprising movable counter weight structure |
| CN103482495B (en) * | 2013-09-30 | 2015-07-22 | 徐州重型机械有限公司 | Sliding device and counterweight hitching device |
| US10179722B2 (en) | 2014-01-27 | 2019-01-15 | Manitowoc Crane Companies, Llc | Lift crane with improved movable counterweight |
| US10183848B2 (en) | 2014-01-27 | 2019-01-22 | Manitowoc Crane Companies, Llc | Height adjustment mechanism for an auxiliary member on a crane |
| CN106744393B (en) * | 2017-03-03 | 2018-07-17 | 合肥工业大学 | With the hoisting apparatus and control method for adjusting stabilizing mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284198Y (en) * | 2008-08-21 | 2009-08-05 | 徐州徐工随车起重机有限公司 | Built-in telescopic counterweight mechanism of lorry-mounted crane |
| CN201292226Y (en) * | 2008-11-14 | 2009-08-19 | 齐齐哈尔轨道交通装备有限责任公司 | Detachable weight iron suspension-release apparatus and locomotive crane having the same |
| CN201458605U (en) * | 2009-07-09 | 2010-05-12 | 徐州徐工随车起重机有限公司 | Turnover weight balance mechanism for lorry-mounted crane |
| CN201485197U (en) * | 2009-09-02 | 2010-05-26 | 曾祖俊 | Automatic counter-balanced hoisting device |
-
2011
- 2011-07-18 CN CN201110200408.XA patent/CN102285600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284198Y (en) * | 2008-08-21 | 2009-08-05 | 徐州徐工随车起重机有限公司 | Built-in telescopic counterweight mechanism of lorry-mounted crane |
| CN201292226Y (en) * | 2008-11-14 | 2009-08-19 | 齐齐哈尔轨道交通装备有限责任公司 | Detachable weight iron suspension-release apparatus and locomotive crane having the same |
| CN201458605U (en) * | 2009-07-09 | 2010-05-12 | 徐州徐工随车起重机有限公司 | Turnover weight balance mechanism for lorry-mounted crane |
| CN201485197U (en) * | 2009-09-02 | 2010-05-26 | 曾祖俊 | Automatic counter-balanced hoisting device |
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| CN102285600A (en) | 2011-12-21 |
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Inventor after: Sun Linrui Inventor after: John.Laning Inventor after: Li Liangjian Inventor after: Guo Hui Inventor after: Qiu Biwen Inventor before: Sun Linrui Inventor before: Qiu Biwen Inventor before: Wang Baogang |
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Free format text: CORRECT: INVENTOR; FROM: SUN LINRUI QIU BIWEN WANG BAOGANG TO: SUN LINRUI JOHN LANNING LI LIANGJIANGUO HUI QIU BIWEN |
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Effective date of registration: 20160107 Address after: Eight in the 313028 Zhejiang city of Huzhou province Cao Zhen Village daily standard factory Auxiliary Building No. 2 Patentee after: Zhejiang Sany Equipment Co., Ltd. Address before: 201202, room 6999, 205 Chuansha Road, Shanghai, Pudong New Area Patentee before: Shanghai Sany Technology Co., Ltd. |