CN102381642A - Synchronous telescopic device - Google Patents

Synchronous telescopic device Download PDF

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Publication number
CN102381642A
CN102381642A CN2011103872412A CN201110387241A CN102381642A CN 102381642 A CN102381642 A CN 102381642A CN 2011103872412 A CN2011103872412 A CN 2011103872412A CN 201110387241 A CN201110387241 A CN 201110387241A CN 102381642 A CN102381642 A CN 102381642A
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CN
China
Prior art keywords
fixed
telescopic boom
plate
oil cylinder
arm
Prior art date
Application number
CN2011103872412A
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Chinese (zh)
Other versions
CN102381642B (en
Inventor
周红卫
霍春庭
张玉路
陈国安
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徐州天地重型机械制造有限公司
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Priority to CN 201110387241 priority Critical patent/CN102381642B/en
Publication of CN102381642A publication Critical patent/CN102381642A/en
Application granted granted Critical
Publication of CN102381642B publication Critical patent/CN102381642B/en

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Abstract

The invention relates to a synchronous telescopic device which comprises an arm support assembly, an oil cylinder assembly, a steel wire rope guiding device and a rope row, and is characterized in that the arm support assembly comprises a fixed arm, a first telescopic arm and a second telescopic arm; the second telescopic is sleeved in the first telescopic arm in a sliding manner; the first telescopic arm is sleeved in the fixed arm in a sliding manner; the oil cylinder assembly comprises an oil cylinder, a fixed support I, a support plate, a bearing plate and bearing wheels; the left end of the oil cylinder is hinged with a side plate of the first telescopic arm through two short shafts; the bearing plate is fixed in the middle of the right end of the oil cylinder; the left end of the bearing plate is fixed on the fixed support I; the bearing wheels are mounted on a wheel spindle at the lower part of the bearing plate in a sliding manner; the steel wire rope guiding device comprises a small left guide wheel, a small right guiding wheel and a large guiding wheel, which are parallel to one another and symmetrically mounted; the rope row comprises steel wire ropes, a fastening adjusting device and a fixed support II; two ends of each steel wire rope are connected with the fixed support II through the fastening adjusting device; and the two steel wire ropes are fastened and connected with a side plate of the second telescopic arm through the fixed support II. The synchronous telescopic device has the advantages of simple structure, high stiffness, good synchronous retractility, and high reliability.

Description

A kind of synchronization telescope device

Technical field

The present invention relates to a kind of retractor device, the especially a kind of telescopic jib of construction machinery and equipments such as car hosit, aerial platform or synchronization telescope device of telescopic outrigger of being applicable to.

Background technology

For increasing scope of work and job safety stability, the work jib of construction machinery and equipment and supporting leg often adopt the single oil cylinder (supporting leg) of telescopic structure.Present flexible technology is following not enough with the main existence of device: (1) each telescopic boom makes to be difficult to synchronization telescope by complex structure that efficient is low all by a hydraulic oil cylinder driving; (2) adopt oil cylinder to add steel rope row's structure, can cause the cross section between telescopic boom to differ greatly, stretching structure is complicated, and jib weight is big, rigidity is little; (3) adopt three of two sleeve telescopic oil cylinder controls to save the supporting leg retractor devices, can only be flexible in proper order, and the complex structure of two sleeve telescopic oil cylinders, reliability of service is low.

Summary of the invention

The objective of the invention is to overcome the weak point in the prior art, a kind of synchronization telescope device is provided, this apparatus structure is simple, and rigidity is big, and synchronization telescope property is good, and reliability is high.

Technical scheme of the present invention is: a kind of synchronization telescope device comprises jib assembly, hydraulic cylinder assembly, wire line guide and rope row.It is characterized in that: described jib assembly comprises fixed arm, first telescopic boom and second telescopic boom; The cross section of each arm is is processed into identical polygon as required; Wherein second telescopic boom slides among first telescopic boom; First telescopic boom slides among the fixed arm, in the right-hand member internal fixation of fixed arm two nylon slide block III is arranged, and in the left end external stability of first telescopic boom four nylon slide block I is arranged; Right-hand member internal fixation at first telescopic boom has two nylon slide block IV, in the left end external stability of second telescopic boom two nylon slide block II is arranged.Hydraulic cylinder assembly comprises oil cylinder, fixed bearing I, seat board, back plate and bogie wheel; Oil cylinder is a double acting hydraulic cylinder, and the left end of oil cylinder is hinged and connected through the side plate of two minor axises and first telescopic boom, and the right-hand member middle part of oil cylinder is fixed with back plate; The piston rod end is fixed with the fixed bearing I; Propping up seat board is the bending steel plate, and the left end of a seat board is fixed on the fixed bearing I, and the supporting skidding is contained on the wheel shaft that is fixed on the back plate bottom.Described wire line guide comprises left little track adjusting wheel, right little track adjusting wheel and big track adjusting wheel; Each track adjusting wheel is two; The symmetry that is parallel to each other is installed; Two sliding respectively being contained on the hinged minor axis of cylinder tube left end both sides of the little track adjusting wheel in a left side, two little guiding skiddings in the right side are contained on the little axle that is fixed on a seat board right-hand member, and the skidding of two big guiding is contained on the little axle that is fixed on back plate top.Described rope package enclosing wire rope, fastening adjustment device and fixed bearing II etc.; Steel rope has two; In parallel to each other around right small sheave, left small sheave and large pulley; The two ends of every steel rope all are connected with the fixed bearing II through the fastening adjustment device, and two steel ropes also link to each other with the side plate of second telescopic boom is fastening through the fixed bearing II.

Beneficial effect: owing to adopt technique scheme, make this apparatus structure simple, rigidity is big, and synchronization telescope property is good, and reliability is high.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is described further.

Fig. 1 is an agent structure scheme drawing of the present invention.

Fig. 2 is the A-A section-drawing of Fig. 1.

Fig. 3 is the B-B section-drawing of Fig. 1.

The C-C section-drawing of Fig. 4 Fig. 1.

Fig. 5 is the D-D section-drawing of Fig. 1.

Among the figure: 1-fastening adjustment device; 2-props up seat board; The 3-fixed arm; 4-slide block I; 5-slide block II; 6-first telescopic boom; 7-second telescopic boom; The 8-steel rope; The 9-oil cylinder; 10-slide block III; 11-slide block IV; The 12-large pulley; The 13-bogie wheel; The 14-back plate; The right small sheave of 15-; 16-fixed bearing II; 17-left side small sheave; 18-fixed bearing I.

The specific embodiment

As shown in Figure 1, the present invention includes jib assembly, hydraulic cylinder assembly, wire line guide and rope row etc.Described jib assembly comprises fixed arm (3), first telescopic boom (6) and second telescopic boom (7); The cross section of each arm is is processed into identical polygon as required; Wherein second telescopic boom (7) slides among first telescopic boom (6); First telescopic boom (6) slides among the fixed arm (3); Right-hand member internal fixation at fixed arm (3) has two nylon slide block III (10); Left end external stability at first telescopic boom (6) has four nylon slide block I (4), in the right-hand member internal fixation of first telescopic boom (6) two nylon slide block IV (11) is arranged, and in the left end external stability of second telescopic boom (7) two nylon slide block II (5) is arranged.Hydraulic cylinder assembly comprises oil cylinder (9), fixed bearing I (18), seat board (2), back plate (14) and bogie wheel (13); Oil cylinder (9) is a double acting hydraulic cylinder; The left end of oil cylinder (9) is hinged and connected through the side plate of two minor axises and first telescopic boom (6); The right-hand member middle part of oil cylinder (9) is fixed with back plate (14), and the piston rod end is fixed with fixed bearing I (18), and a seat board (2) is the bending steel plate; The left end that props up seat board (2) is fixed on the fixed bearing I (18), and bogie wheel (13) is sliding to be contained on the wheel shaft that is fixed on back plate (14) bottom.Described wire line guide comprises left little track adjusting wheel (17), right little track adjusting wheel (15) and big track adjusting wheel (12); Each track adjusting wheel is two; The symmetry that is parallel to each other is installed; Two little track adjusting wheels in a left side (17) are sliding respectively to be contained on the hinged minor axis of oil cylinder (9) cylinder barrel left end both sides, and two little track adjusting wheels in the right side (15) are sliding to be contained on the little axle that is fixed on seat board (a 2) right-hand member, and two big track adjusting wheels (12) are sliding to be contained on the little axle that is fixed on back plate (14) top.Described rope package enclosing wire rope (8), fastening adjustment device (1) and fixed bearing II (16) etc.; Steel rope (8) has two; In parallel to each other around right small sheave (15), left small sheave (17) and large pulley (12); The two ends of every steel rope all are connected with fixed bearing II (16) through fastening adjustment device (1), and two steel ropes (8) are also through side plate fastening link to each other of fixed bearing II (16) with second telescopic boom (7).

Claims (1)

1. a synchronization telescope device comprises jib assembly, hydraulic cylinder assembly, wire line guide and rope row; It is characterized in that: described jib assembly comprises fixed arm, first telescopic boom and second telescopic boom; The cross section of each arm is is processed into identical polygon as required; Wherein second telescopic boom slides among first telescopic boom; First telescopic boom slides among the fixed arm, in the right-hand member internal fixation of fixed arm two nylon slide block III is arranged, and in the left end external stability of first telescopic boom four nylon slide block I is arranged; Right-hand member internal fixation at first telescopic boom has two nylon slide block IV, in the left end external stability of second telescopic boom two nylon slide block II is arranged; Hydraulic cylinder assembly comprises oil cylinder, fixed bearing I, seat board, back plate and bogie wheel; Oil cylinder is a double acting hydraulic cylinder, and the left end of oil cylinder is hinged and connected through the side plate of two minor axises and first telescopic boom, and the right-hand member middle part of oil cylinder is fixed with back plate; The piston rod end is fixed with the fixed bearing I; Propping up seat board is the bending steel plate, and the left end of a seat board is fixed on the fixed bearing I, and the supporting skidding is contained on the wheel shaft that is fixed on the back plate bottom; Described wire line guide comprises left little track adjusting wheel, right little track adjusting wheel and big track adjusting wheel; Each track adjusting wheel is two; The symmetry that is parallel to each other is installed; Two sliding respectively being contained on the hinged minor axis of cylinder tube left end both sides of the little track adjusting wheel in a left side, two little guiding skiddings in the right side are contained on the little axle that is fixed on a seat board right-hand member, and the skidding of two big guiding is contained on the little axle that is fixed on back plate top; Described rope package enclosing wire rope, fastening adjustment device and fixed bearing II; Steel rope has two; In parallel to each other around right small sheave, left small sheave and large pulley; The two ends of every steel rope all are connected with the fixed bearing II through the fastening adjustment device, and two steel ropes also link to each other with the side plate of second telescopic boom is fastening through the fixed bearing II.
CN 201110387241 2011-11-29 2011-11-29 Synchronous telescopic device CN102381642B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110387241 CN102381642B (en) 2011-11-29 2011-11-29 Synchronous telescopic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110387241 CN102381642B (en) 2011-11-29 2011-11-29 Synchronous telescopic device

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CN102381642A true CN102381642A (en) 2012-03-21
CN102381642B CN102381642B (en) 2013-04-24

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102689846A (en) * 2012-06-07 2012-09-26 徐州重型机械有限公司 Rope row type telescopic boom mechanism and crane provided with same
CN102730579A (en) * 2012-07-02 2012-10-17 中联重科股份有限公司 Support and truck crane with support
CN102897148A (en) * 2012-10-12 2013-01-30 三一重工股份有限公司 Telescopic support leg and engineering machinery
CN103508336A (en) * 2013-09-18 2014-01-15 国家电网公司 Insulation arm for crane in electricity operation
CN104743443A (en) * 2014-07-26 2015-07-01 周红玉 Telescopic boom
WO2015103985A1 (en) * 2014-01-10 2015-07-16 徐工集团工程机械股份有限公司道路机械分公司 Multifunctional all-terrain walking hydraulic excavator
CN106006412A (en) * 2016-06-06 2016-10-12 梁协铭 Eight-section lazy arm for crane
CN106379823A (en) * 2016-12-05 2017-02-08 太原重型机械集团工程技术研发有限公司 Crane and supporting device for telescopic oil cylinder of crane
CN106429903A (en) * 2016-10-09 2017-02-22 四川宏华石油设备有限公司 Extension device
CN106744371A (en) * 2016-12-13 2017-05-31 刘国彬 A kind of autocrane with secondary synchronization horizontal extension supporting leg
CN108439234A (en) * 2014-06-17 2018-08-24 株式会社多田野 The telescopic device of telescopic arm
CN108568840A (en) * 2017-03-13 2018-09-25 北京京东尚科信息技术有限公司 Material sorting elevating mechanism and material Prospect of Robot Sorting System

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016104653A1 (en) * 2016-03-14 2017-09-14 Schwing Gmbh Double telescopic arch support

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JPS60242200A (en) * 1984-05-14 1985-12-02 Hikoma Seisakusho Kk Boom type lifting gear
US5465855A (en) * 1993-04-10 1995-11-14 Fried. Krupp Ag Hoesch-Krupp Telescoping crane arm
CN201214601Y (en) * 2008-05-07 2009-04-01 长沙中联重工科技发展股份有限公司 Main arm telescopic mechanism for crane
JP2010037045A (en) * 2008-08-05 2010-02-18 Kobelco Cranes Co Ltd Cylindrical structure
CN201433061Y (en) * 2009-07-20 2010-03-31 三一汽车制造有限公司 Automobile crane and telescopic arm device thereof
CN201530688U (en) * 2009-11-21 2010-07-21 湖南山河智能机械股份有限公司 Telescopic boom device
CN201850089U (en) * 2010-10-15 2011-06-01 北京京城重工机械有限责任公司 Five-knuckle arm telescopic mechanism for crane

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242200A (en) * 1984-05-14 1985-12-02 Hikoma Seisakusho Kk Boom type lifting gear
US5465855A (en) * 1993-04-10 1995-11-14 Fried. Krupp Ag Hoesch-Krupp Telescoping crane arm
CN201214601Y (en) * 2008-05-07 2009-04-01 长沙中联重工科技发展股份有限公司 Main arm telescopic mechanism for crane
JP2010037045A (en) * 2008-08-05 2010-02-18 Kobelco Cranes Co Ltd Cylindrical structure
CN201433061Y (en) * 2009-07-20 2010-03-31 三一汽车制造有限公司 Automobile crane and telescopic arm device thereof
CN201530688U (en) * 2009-11-21 2010-07-21 湖南山河智能机械股份有限公司 Telescopic boom device
CN201850089U (en) * 2010-10-15 2011-06-01 北京京城重工机械有限责任公司 Five-knuckle arm telescopic mechanism for crane

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102689846A (en) * 2012-06-07 2012-09-26 徐州重型机械有限公司 Rope row type telescopic boom mechanism and crane provided with same
CN102730579A (en) * 2012-07-02 2012-10-17 中联重科股份有限公司 Support and truck crane with support
CN102730579B (en) * 2012-07-02 2015-05-20 中联重科股份有限公司 Support and truck crane with support
CN102897148B (en) * 2012-10-12 2015-10-14 三一汽车制造有限公司 A kind of telescopic leg and construction machinery and equipment
CN102897148A (en) * 2012-10-12 2013-01-30 三一重工股份有限公司 Telescopic support leg and engineering machinery
CN103508336A (en) * 2013-09-18 2014-01-15 国家电网公司 Insulation arm for crane in electricity operation
US20160319513A1 (en) * 2014-01-10 2016-11-03 Xcmg Construction Machinery Co., Ltd. Road Machinery Branch Multifunctional all-terrain walking hydraulic excavator
WO2015103985A1 (en) * 2014-01-10 2015-07-16 徐工集团工程机械股份有限公司道路机械分公司 Multifunctional all-terrain walking hydraulic excavator
CN108439234A (en) * 2014-06-17 2018-08-24 株式会社多田野 The telescopic device of telescopic arm
CN108439234B (en) * 2014-06-17 2019-09-27 株式会社多田野 The telescopic device of telescopic arm
CN104743443A (en) * 2014-07-26 2015-07-01 周红玉 Telescopic boom
CN106006412A (en) * 2016-06-06 2016-10-12 梁协铭 Eight-section lazy arm for crane
CN106429903A (en) * 2016-10-09 2017-02-22 四川宏华石油设备有限公司 Extension device
CN106379823B (en) * 2016-12-05 2017-11-07 太原重型机械集团工程技术研发有限公司 Crane and its telescopic oil cylinder support meanss
CN106379823A (en) * 2016-12-05 2017-02-08 太原重型机械集团工程技术研发有限公司 Crane and supporting device for telescopic oil cylinder of crane
CN106744371A (en) * 2016-12-13 2017-05-31 刘国彬 A kind of autocrane with secondary synchronization horizontal extension supporting leg
CN108568840A (en) * 2017-03-13 2018-09-25 北京京东尚科信息技术有限公司 Material sorting elevating mechanism and material Prospect of Robot Sorting System

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