CN102285600A - Crawler crane counter weight moving device and crane comprising same - Google Patents

Crawler crane counter weight moving device and crane comprising same Download PDF

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Publication number
CN102285600A
CN102285600A CN201110200408XA CN201110200408A CN102285600A CN 102285600 A CN102285600 A CN 102285600A CN 201110200408X A CN201110200408X A CN 201110200408XA CN 201110200408 A CN201110200408 A CN 201110200408A CN 102285600 A CN102285600 A CN 102285600A
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CN
China
Prior art keywords
counterweight
crawler crane
retractor
crossbeam
sliding sleeve
Prior art date
Application number
CN201110200408XA
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Chinese (zh)
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CN102285600B (en
Inventor
孙临瑞
邱必稳
王保刚
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上海三一科技有限公司
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Priority to CN201110200408.XA priority Critical patent/CN102285600B/en
Publication of CN102285600A publication Critical patent/CN102285600A/en
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Publication of CN102285600B publication Critical patent/CN102285600B/en

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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

A kind of crawler crane counterweight mobile device and comprise the hoisting crane of this device

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 in crawler crane A shape frame, and the counterweight stay cord that is fixed on the crawler crane platform with one one end is connected and fixed.The counter weight device of this kind form makes the counterweight of crawler crane can't 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

At the problems referred to above that existing crawler crane exists, 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 is adopted 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 the 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 laterally is enclosed within on the described crossbeam, and described retractor device permanent seat is located at described sliding sleeve top, and 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, and 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 a 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 the described crossbeam.

Above-mentioned crawler crane counterweight mobile device, wherein, described shaft-like retractor device is a hydraulic ram.

Above-mentioned crawler crane counterweight mobile device, wherein, described tourelle is a 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 internal groove side wall and external groove sidevall respectively, and described a pair of positioning groove blocks the both sides cell wall of described trough-shaped body sliding sleeve, and described internal groove side wall withstands the bottom surface of described crossbeam, on the described base plate dorsad the one side of described a pair of positioning groove establish a pair of otic placode, described otic placode is connected with described counterweight.

Above-mentioned crawler crane counterweight mobile device, wherein, the described internal groove side wall inboard 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 a plurality of screws are arranged, a plurality of screw correspondence positions have a plurality of through holes on described external groove sidevall and the described internal groove side wall, on the both sides cell wall of described trough-shaped body with described external groove sidevall on a plurality of through hole correspondence positions a plurality of through holes are arranged, also comprise a plurality of bolts, described bolt passes the through hole on the both sides cell wall of through hole on the described external groove sidevall and described trough-shaped body, is connected with screw on the described internal groove side wall.

A kind of crawler crane comprises platform, swing arm and chassis, wherein, comprises that also as above-mentioned crawler crane counterweight mobile device, 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 drive counterweight that makes of retractor device to move forward and backward along the crossbeam direction, thereby realize changing counterweight to hanging the moment variations of carrying, crawler type tourelle in the carriage makes carriage more flexible with the telescopic slide of retractor device, and make crossbeam and carriage contact surface stressed evenly, the counterweight Connection Block adopts reinforced rib to add when forcing the counterweight Connection Block to slide with carriage more stable.

Description of drawings

Fig. 1 is a 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

The invention will be further described below in conjunction with the drawings and specific embodiments, but not as qualification of the present 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 ends, carriage 3 comprises sliding sleeve 31 and retractor device permanent seat 32, sliding sleeve 31 laterally is enclosed within on the crossbeam 1, and retractor device permanent seat 32 is located at sliding sleeve 31 tops, and 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, and counterweight Connection Block 4 is connected with counterweight.Flexible by retractor device 2 slidably reciprocates carriage 3 on crossbeam 1, and then the counterweight Connection Block 4 and the counterweight on it that drive carriage 3 bottoms move together, plays to change counterweight to hanging the effect of the moment variations of carrying.

Further, be provided with tourelle 311 in the sliding sleeve 31 of carriage 3, 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 that produces 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 a 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 the 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 a hydraulic ram.Hydraulic ram is fit to make high-power components, satisfies 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 a crawler belt.Crawler-mounted tourelle 311 can make the carriage 3 and the contact surface of crossbeam 1 stressed evenly, prolongs 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 a pair of positioning groove 41 parallel distributions and base plate 42 are relative, a pair of positioning groove 41 comprises internal groove side wall 411 and external groove sidevall 412 respectively, 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 the one side of a pair of dorsad positioning groove 41 is established a pair of otic placode on the base plate 42, and otic placode is connected with counterweight.The counterweight Connection Block 4 of this kind mode is difficult for generation when with the connection mode of carriage 3 carriage 3 being slided and rocks, and reduces the wearing and tearing of parts.

Further, internal groove side wall 411 inboards 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, and is more stable when slidably installing 3 slips, alleviated internal groove side wall 411 pressures simultaneously, can prolong 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 a plurality of screws are arranged, a plurality of screw correspondence positions have a plurality of through holes on external groove sidevall 412 and the internal groove side wall 411, on the both sides cell wall of trough-shaped body with external groove sidevall on a plurality of through hole correspondence positions on 412 a plurality of through holes are arranged, also comprise a plurality of bolts, bolt passes the through hole on the both sides cell wall of through hole on the external groove sidevall 412 and trough-shaped body, is connected with screw on the internal groove side wall 411.This kind 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 aforesaid crawler crane counterweight mobile device, and an end of the crossbeam 1 of crawler crane counterweight mobile device is connected with the platform rear portion.

The above is only for preferred embodiment of the present invention, is not so limits 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, all is included in protection scope of the present invention.

Claims (9)

1. 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 ends, described carriage (3) comprises sliding sleeve (31) and retractor device permanent seat (32), described sliding sleeve (31) laterally is enclosed within on the 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), and described counterweight Connection Block (4) is connected with described counterweight.
2. crawler crane counterweight mobile device according to claim 1, it is characterized in that, be provided with tourelle (311) in the sliding sleeve (31) of described carriage (3), 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 according to claim 1 is characterized in that described sliding sleeve (31) is a 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 the described crossbeam (1).
4. crawler crane counterweight mobile device according to claim 1 is characterized in that described shaft-like retractor device (2) is a hydraulic ram.
5. as crawler crane counterweight mobile device as described in the claim 2, it is characterized in that described tourelle (311) is a crawler belt.
6. as crawler crane counterweight mobile device as described in the 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 internal groove side wall (411) and external groove sidevall (412) respectively, described a pair of positioning groove (41) blocks the both sides cell wall of described trough-shaped body sliding sleeve (31), described internal groove side wall (411) withstands the bottom surface of described crossbeam (1), the one side of described dorsad a pair of positioning groove (41) is established a pair of otic placode on the described base plate (42), and described otic placode is connected with described counterweight.
7. as crawler crane counterweight mobile device as described in the claim 6, it is characterized in that, described internal groove side wall (411) inboard 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. as crawler crane counterweight mobile device as described in the 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) a plurality of screws are arranged, described external groove sidevall (412) is gone up a plurality of screw correspondence positions with described internal groove side wall (411) 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 on (412) a plurality of through holes are arranged, also comprise a plurality of bolts, described bolt passes the through hole on the both sides cell wall of through hole on the described external groove sidevall (412) and described trough-shaped body, is connected with screw on the described internal groove side wall (411).
9. a crawler crane comprises platform, swing arm and chassis, it is characterized in that, comprises that also one end of described crossbeam 1 is connected with described platform rear portion as crawler crane counterweight mobile device as described in arbitrary among the claim 1-8.
CN201110200408.XA 2011-07-18 2011-07-18 Crawler crane counter weight moving device and crane comprising same CN102285600B (en)

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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CN102285600A true CN102285600A (en) 2011-12-21
CN102285600B CN102285600B (en) 2014-02-26

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102491200A (en) * 2011-12-22 2012-06-13 上海三一科技有限公司 Movable counter weight structure of crawler crane and crane comprising movable counter weight structure
CN103482495A (en) * 2013-09-30 2014-01-01 徐州重型机械有限公司 Sliding device and counterweight hitching device
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight
CN106744393A (en) * 2017-03-03 2017-05-31 合肥工业大学 Hoisting apparatus and control method with regulation stabilizing mechanism
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
US10336589B2 (en) 2006-10-27 2019-07-02 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight

Citations (4)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10336589B2 (en) 2006-10-27 2019-07-02 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
US10457530B2 (en) 2009-08-06 2019-10-29 Manitowoc Cranes, Llc Lift crane with moveable counterweight
CN102491200A (en) * 2011-12-22 2012-06-13 上海三一科技有限公司 Movable counter weight structure of crawler crane and crane comprising movable counter weight structure
CN103482495A (en) * 2013-09-30 2014-01-01 徐州重型机械有限公司 Sliding device and counterweight hitching device
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
CN106744393A (en) * 2017-03-03 2017-05-31 合肥工业大学 Hoisting apparatus and control method with regulation stabilizing mechanism
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

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C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

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

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SUN LINRUI QIU BIWEN WANG BAOGANG TO: SUN LINRUI JOHN LANNING LI LIANGJIANGUO HUI QIU BIWEN

C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

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.