CN102009919B - Crane and frame thereof - Google Patents

Crane and frame thereof Download PDF

Info

Publication number
CN102009919B
CN102009919B CN 201010575757 CN201010575757A CN102009919B CN 102009919 B CN102009919 B CN 102009919B CN 201010575757 CN201010575757 CN 201010575757 CN 201010575757 A CN201010575757 A CN 201010575757A CN 102009919 B CN102009919 B CN 102009919B
Authority
CN
China
Prior art keywords
vehicle frame
plate
vertical plate
back segment
supporting leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN 201010575757
Other languages
Chinese (zh)
Other versions
CN102009919A (en
Inventor
马善华
朱磊
贾晓杰
洪彬
王新强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Heavy Machinery Co Ltd
Original Assignee
Xuzhou Heavy Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Heavy Machinery Co Ltd filed Critical Xuzhou Heavy Machinery Co Ltd
Priority to CN 201010575757 priority Critical patent/CN102009919B/en
Publication of CN102009919A publication Critical patent/CN102009919A/en
Application granted granted Critical
Publication of CN102009919B publication Critical patent/CN102009919B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details

Abstract

The invention provides a frame. The frame comprises a rear frame section (13), wherein the end part of the rear frame section (13) is connected with a fixed supporting leg (11); the fixed supporting leg (11) comprises an outer vertical plate (111), a middle vertical plate (113) and an inner vertical plate (113) which are arranged in parallel; grooves (114) are formed on the outer vertical plate (111), the middle vertical plate (113) and the inner vertical plate (113); vertical plate cover boards (115) are arranged among the grooves (114); the rear frame section (13) is embedded into the grooves (114); the top ends of the grooves (114) are level with an upper cover board (134) of the rear frame section (13); and a lower cover board of the rear frame section (13) is in butt joint with the vertical plate cover boards (115). The frame has the advantages of high carrying capacity and high stability. In addition, the invention also provides a crane with the frame.

Description

A kind of hoisting crane and vehicle frame thereof
Technical field
The present invention relates to vehicle frame interconnection technique field, relate in particular to a kind of vehicle frame.In addition, the invention still further relates to a kind of hoisting crane with above-mentioned vehicle frame.
Background technology
At present, along with rapid economy development, mega project constantly increases.The scale of the project of wind-power electricity generation, thermoelectricity, the construction of nuclear power equal energy source industry constantly enlarges, and hoisting engineering just develops towards the direction of maximization, scale, and the tonnage of hoisting crane is increasing, and field of application is also more and more wider.
The vehicle frame of hoisting crane is the main carrying structure that hoisting crane is got off; Vehicle frame comprises vehicle frame back segment and fixed supporting leg; The vehicle frame back segment is provided with parts such as rotating platform of crane; Fixed supporting leg then is used for the movable supporting legs of erecting crane, and on medium and small tonnage hoisting crane, what vehicle frame back segment and fixed supporting leg mainly adopted is the connection mode of overlap joint.The various load that vehicle frame bears up heavy-duty machine are delivered to ground at last through support leg device.
Please refer to Fig. 1, Fig. 1 is the scheme drawing of vehicle frame used in the prior art.
Vehicle frame back segment 1 extends at two different directions with fixed supporting leg 3; Vehicle frame back segment 1 extends along vehicle lengthwise direction; Fixed supporting leg 3 extends along vehicle-width direction, and the end of vehicle frame back segment 1 connects fixed supporting leg 3 (end only is shown among the figure) respectively, and both are spliced to form vehicle frame each other.Vehicle frame back segment 1 adopts the mode of overlap joint to be connected with fixed supporting leg 3, and the upper cover plate of the base plate of vehicle frame back segment 1 and fixed supporting leg 3 forms a contact surface.On fixed supporting leg 3 upper cover plates, also dispose first diagonal ligament 2 and second diagonal ligament 4; First diagonal ligament 2 is asymmetric setting and is connected with the left and right sides web of vehicle frame back segment 1 respectively with second diagonal ligament 4; Two diagonal ligaments can increase the bulk strength of vehicle frame, first door-plate 5 and second door-plate 6 are set on the next door of upper cover plate first diagonal ligament 2 of fixed supporting leg 3 and second diagonal ligament 4 between respectively.
In the vehicle frame of above-mentioned type of attachment, fixed supporting leg 3 box-structures own are smaller, and cross sectional moment of inertia is little, and stress is bigger when bearing outer carrying, so load-carrying capacity is limited.Simultaneously; Two asymmetric settings of diagonal ligament when hoisting crane receives the load of different operating modes, make the stressed variation of the one-sided supporting leg of hoisting crane bigger; The situation that occurs stress concentration easily; And two diagonal ligaments and fixed supporting leg 3 also will be fixed through connection modes such as welding, and whole vehicle frame is made up of independent many each parts overlap joints, also has unsettled defective.To sum up, adopt lower, the poor stability of vehicle frame load-carrying capacity of this connection structure.
Therefore, providing the strong stability simultaneously of a kind of load-carrying capacity high vehicle frame, is the technical matters of the required solution of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle frame, this vehicle frame has the advantage that load-carrying capacity is strong, stability is high.Simultaneously, another object of the present invention provides a kind of hoisting crane with above-mentioned vehicle frame.
For realizing above-mentioned purpose; The invention provides a kind of vehicle frame, comprise the vehicle frame back segment, the end of said vehicle frame back segment is connected in fixed supporting leg; Said fixed supporting leg comprises the outer vertical plate that laterally arranges, middle riser and inner vertical plate; Be provided with groove on said outer vertical plate, said middle riser and the said inner vertical plate, be provided with the riser cover plate between the said groove, said vehicle frame back segment is inlaid in the said groove; The top of said groove flushes with the upper cover plate of said vehicle frame back segment, and the lower cover of said vehicle frame back segment docks with said riser cover plate.
Preferably, being provided with side between the lower cover of the inner vertical plate of said fixed supporting leg and said vehicle frame back segment supports.
Preferably; Said side supports and comprises side plate and connecting panel; One side of said side plate is connected with said connecting panel; The both sides up and down of said side plate are the scalene setting, and other three limits of said side plate are connected with the base plate of the lower cover of said vehicle frame back segment, said inner vertical plate and said fixed supporting leg respectively, and the two ends up and down of said connecting panel are connected to the lower cover and the said base plate of said vehicle frame back segment.
Preferably, the junction of said base plate and said side support is provided with reinforced rib.
Preferably, the lower cover of said vehicle frame back segment and said fixed supporting leg bonded assembly angle are provided with the arc rib.
Preferably, said outer vertical plate and said in the same end of riser, along the plane at said outer vertical plate place and said in the plane at riser place be provided with first door-plate; An end relative with said first door-plate on riser and the said inner vertical plate in said, the plane at riser place and the plane at said inner vertical plate place are provided with second door-plate in said.
Preferably, the height of said outer vertical plate, said outer vertical plate, said middle riser and said inner vertical plate reduces to both sides along the top of its above groove.
Preferably, the thickness of the thickness of said first door-plate and second door-plate is greater than the thickness of said outer vertical plate, said middle riser and said inner vertical plate.
Preferably, the end of said vehicle frame back segment is provided with closure plate that aligns with said outer vertical plate and the dividing plate that aligns with said middle riser and said inner vertical plate.
In addition, the present invention also provides a kind of hoisting crane, comprises lifting mechanism and movable supporting legs; It is characterized in that; This hoisting crane also has above-mentioned each described vehicle frame, and said lifting mechanism is arranged on the said vehicle frame back segment, and said movable supporting legs is connected with said fixed supporting leg.
Vehicle frame provided by the present invention comprises the vehicle frame back segment, and the two ends of vehicle frame back segment are connected to fixed supporting leg; Fixed supporting leg comprises the some risers that vertically are provided with; Be provided with groove on the riser, be provided with the riser cover plate between the groove, the vehicle frame back segment is inlaid in the groove; The upper cover plate of vehicle frame back segment is connected with the top board of fixed supporting leg, and the lower cover of vehicle frame back segment is connected with the riser cover plate.Adopt above-mentioned vehicle frame, riser is the basic comprising part of fixed supporting leg, and vehicle frame back segment setting-in is gone in the groove of riser; Simultaneously, the upper cover plate of vehicle frame back segment is connected with the top board of fixed supporting leg, and the lower cover of vehicle frame back segment docks with the riser cover plate; Make the connection structure of vehicle frame back segment and fixed supporting leg form the single-piece box; The box-structure that only constitutes in the prior art by fixed supporting leg, this box size is bigger, has bigger moment of inertia of cross-section; Reduce stress concentration, improved the load-carrying capacity of vehicle frame; And this structure need not adopt large-area welding, has reduced the key influence of weldquality to connective stability, thereby can improve the stability of connection stability and mechanical work.
A kind of preferred embodiment in, be provided with side between the lower cover of the inner vertical plate of fixed supporting leg and vehicle frame back segment and support.Side is set in the junction of vehicle frame back segment and fixed supporting leg to be supported; Transition vehicle frame back segment is delivered to the load of fixed supporting leg gently; Avoid the stress concentrations of vehicle frame back segment and fixed supporting leg contact surface, can strengthen the vehicle frame integral intensity, improve the load-carrying capacity of vehicle frame.
In another preferred embodiment,, be provided with first door-plate along the plane at outer vertical plate place and the plane at middle riser place at the same end of outer vertical plate and middle riser; An end relative on middle riser and inner vertical plate with first door-plate, along in plane and the plane at inner vertical plate place at riser place be provided with second door-plate.From the above in the prior art; The mounting means of door-plate is the top that door-plate is arranged on fixed supporting leg, and door-plate and fixed supporting leg vertical setting in perpendicular are when vehicle is in running order; Suddenly change owing to being connected shape with the junction of fixed supporting leg at door-plate, can cause stress concentration.And adopt the set-up mode of above-mentioned door-plate; First door-plate and second door-plate are separately positioned on the side of fixed supporting leg; Weld with the fixed supporting leg side; Stressed position dimension changes mild, and single-piece box of three risers formation of first door-plate and second door-plate and fixed supporting leg, can reduce the appearance of stress concentration situation.
Description of drawings
Fig. 1 is the structural representation of vehicle frame used in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of vehicle frame provided by the present invention;
Fig. 3 is the decomposition texture scheme drawing of vehicle frame provided by the present invention shown in Figure 2;
Fig. 4 is the structural representation of the fixed supporting leg of vehicle frame provided by the present invention shown in Figure 2;
Fig. 5 is the structural representation that the side of vehicle frame provided by the present invention shown in Figure 2 supports;
Fig. 6 is the structural representation of the vehicle frame back segment of vehicle frame provided by the present invention shown in Figure 2.
The specific embodiment
Core of the present invention provides a kind of vehicle frame, and this vehicle frame has the advantages that load-carrying capacity is strong, stability is high.Another core of the present invention provides a kind of hoisting crane that comprises above-mentioned vehicle frame.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 2, Fig. 3 and Fig. 4; Fig. 2 is the structural representation of a kind of specific embodiment of vehicle frame provided by the present invention; Fig. 3 is the decomposition texture scheme drawing of vehicle frame provided by the present invention shown in Figure 2, and Fig. 4 is the structural representation of the fixed supporting leg of vehicle frame provided by the present invention shown in Figure 2.
As shown in Figure 2, vehicle frame provided by the present invention comprises vehicle frame back segment 13; The end of vehicle frame back segment 13 is connected in fixed supporting leg 11, and fixed supporting leg 11 comprises on outer vertical plate 111, middle riser 112 and 113, three risers of inner vertical plate that laterally arrange and is provided with groove 114; Be provided with riser cover plate 115 between the groove 114; Vehicle frame back segment 13 is inlaid in the groove 114, and the top of groove 114 flushes with the upper cover plate of vehicle frame back segment 13, and the lower cover of vehicle frame back segment 13 docks with riser cover plate 115.
Riser cover plate 115 all can adopt with fixed supporting leg 11 with fixed supporting leg 11, vehicle frame back segment 13 and be welded to connect; After having welded vehicle frame back segment 13 and fixed supporting leg 11 connecting bridges; Because the top of groove 114 flushes with the upper cover plate of vehicle frame back segment 13; Directly link to each other the assembly of the upper cover plate of vehicle frame back segment 13 with the top board of fixed supporting leg 11, weld.The movable supporting legs on both sides can be retracted into by in the cavity between outer vertical plate 111 and middle riser 112 and middle riser 112 and the inner vertical plate 113.
Adopt said structure, vehicle frame back segment 13 is embedded in the groove 114, and the upper cover plate of vehicle frame back segment 13 flushes with the top of groove 114; Lower cover docks with riser cover plate 115, so just at vehicle frame back segment 13 junction and single-piece box-structure of fixed supporting leg 11 formation with fixed supporting leg 11, under different operating modes; Fixed supporting leg 11 can both whole bearing load; Can reduce supporting leg distribution of stress uneven phenomenon, reduce stress concentration, thereby improve stability and load capacity that vehicle frame carries.
The concrete shape of groove 114 can be provided with according to the shape and structure of vehicle frame back segment 13 ends.Can be set to the vertical square structure of dual-side, also can be set to the structure that dual-side is a hypotenuse.
In addition, can side be set between the lower cover of the inner vertical plate of fixed supporting leg 11 and vehicle frame back segment 13 and support 12.Increase side support 12 gently transition vehicle frame back segment 13 be delivered to the load of fixed supporting leg 11, avoid the stress concentrations of vehicle frame back segment 13 and fixed supporting leg 11 contact surfaces, can strengthen the vehicle frame integral intensity, the load-carrying capacity of raising vehicle frame.
The connection location of fixed supporting leg 11, side support 12 and vehicle frame back segment 13 can be with reference to the signal of figure 3 exploded drawingss.
Please refer to Fig. 5, Fig. 5 is the structural representation that the side of vehicle frame provided by the present invention shown in Figure 2 supports.
The concrete structure of side support 12 can adopt shown in Fig. 3; Comprise side plate 122 and connecting panel 123; The both sides up and down of side plate 122 are set to scalene; One side of side plate 122 is connected with connecting panel 123, and other three limits of side plate 122 are connected with the lower cover of vehicle frame back segment 13, the inner vertical plate 113 of fixed supporting leg 11 and the base plate 116 of fixed supporting leg 11 respectively, and the two ends up and down of connecting panel 123 are connected to the lower cover of vehicle frame back segment 13 and the base plate 116 of fixed supporting leg 11.Side support 12 is designed to side plate 122 can increase the bulk strength of side support 12 with the structure of connecting panel 123 combinations, thereby improves the load-carrying capacity of vehicle frame.
Above-mentioned side plate about in the of 122 the concrete length on both sides be set to edge lengths greater than following edge lengths, connecting panel 123 is set to have certain slope after the installation like this, can be further the transition vehicle frame load of being born gently, optimization vehicle frame stressed.Above-mentioned side plate 122 can adopt the mode that is welded to connect with being connected of connecting panel 123.
Be provided with reinforced rib 121 at the base plate 116 of fixed supporting leg 11 and the junction of side support 12.Promptly can along the direction of side plate 122 bottoms, reinforced rib 121 be set shown in figure in the junction of base plate 116 and connecting panel 123.Owing to the situation of stress concentration takes place in the side support 12 of load being played transitional function and the junction of fixed supporting leg 11 easily, therefore is increased in this position the intensity that reinforced rib 121 can be strengthened vehicle frame back segment 13 and fixed supporting leg 11 junctions is set.Certainly, the setting of reinforced rib 122 is to be provided with according to the stressing conditions behind the vehicle frame bearing load.
The installation of reinforced rib 121 can be side support 12 with fixed supporting leg 11 and vehicle frame back segment 13 be connected completion after, it is welded on the lateral surface of lateral surface and connecting panel 123 of base plate 116.
At the same end of outer vertical plate 111 and middle riser 112, be provided with first door-plate 117 along the plane at outer vertical plate 111 places and the plane at middle riser 112 places; An end relative on middle riser 112 and inner vertical plate 113 with first door-plate 117, along in plane and the plane at inner vertical plate 113 places at riser 112 places be provided with second door-plate 118.
The position that is provided with of above-mentioned first door-plate 117 and second door-plate 118 is different from that first door-plate 5 and second door-plate 6 are arranged at the connection mode on fixed supporting leg 3 upper cover plates in the prior art.Door-plate set-up mode used in the prior art; First door-plate 5 and second door-plate 6 are the vertical direction setting with fixed supporting leg 3; When vehicle is in running order, because geometric configuration changes greatly, stress concentration appears easily in the junction of above-mentioned door-plate and fixed supporting leg 3; And first door-plate 117 of the present invention and second door-plate 118 are arranged on the side of fixed supporting leg 11, and with the welding of fixed supporting leg 11 sides, the single-piece box of three risers formation with fixed supporting leg 13 can reduce the appearance of stress concentration situation.
On first door-plate 117 and second door-plate 118, be provided with bolt hole and be used to be connected movable supporting legs.It is by movable supporting legs position and retracted position decision to be set that first door-plate 117 and second door-plate 118 are oppositely arranged; As above-mentioned; The movable supporting legs on both sides is separately positioned on by in the cavity between outer vertical plate 111 and middle riser 112 and middle riser 112 and the inner vertical plate 113, and can be withdrawn into above-mentioned cavity.First door-plate 117 and outer vertical plate 111 and middle riser 112, second door-plate 118 and middle riser 112 and inner vertical plate 113 can all adopt the connection mode of welding in the junction.
Further, the height of outer vertical plate 111, middle riser 112 and inner vertical plate 113 reduces to both sides along the both sides of its upper groove 114.The economical with materials of the load weight of transition vehicle carrying, and ability gently.
The thickness of first door-plate 117 and second door-plate 118 can be greater than the thickness of outer vertical plate 111, middle riser 112 and inner vertical plate 113.The connection location of above-mentioned first door-plate 117 and second door-plate 118 and movable supporting legs; Be the position that stress concentration takes place easily, its thickness increase can be guaranteed frame strength, the thickness of outer vertical plate 111, middle riser 112 and inner vertical plate 113 then can with respect to first door-plate 117 and second door-plate 118 be provided with less; Like this according to stressing conditions reasonable distribution component thickness; Can under the prerequisite of proof strength, minimize vehicle frame weight, and meet design requirement.
Please refer to Fig. 6, Fig. 6 is the structural representation of the vehicle frame back segment of vehicle frame provided by the present invention shown in Figure 2.
The end of vehicle frame back segment 13 is provided with closure plate 131 that aligns with outer vertical plate 111 and the dividing plate 132 that aligns with middle riser 112 and inner vertical plate 113.Closure plate 131 and dividing plate 132 are set on vehicle frame back segment 13 can increase the stability and the intensity of vehicle frame back segment 13, helps vehicle frame single-piece bearing load more.Closure plate 131 can be that single-piece is tabular, auxiliary hole then can be arranged to make things convenient for component processing on dividing plate 132.The upper cover plate 134 of vehicle frame back segment 13 flushes with the top of the groove 114 of fixed supporting leg 11, then can upper cover plate 134 be docked welding with the top board of fixed supporting leg 13.
Further, be provided with arc rib 133 in the lower cover and the fixed supporting leg 11 bonded assembly angles of vehicle frame back segment 13.The effect of this arc rib 133 is in order to increase the intensity of connection location.This arc rib 133 can be independent setting, is welded to connect with the lower cover and the fixed supporting leg 11 of vehicle frame back segment 13, and lower cover that also can vehicle frame back segment 13 is set to this planform connecting the end, to play the effect of reinforcement.
Upper cover plate, lower cover and first door-plate 117 of above-mentioned outer vertical plate 111, middle riser 112, inner vertical plate 113, riser cover plate 115, base plate 116, vehicle frame back segment 13 and second door-plate 118 etc. all can be the global formation structure; To reduce the vehicle frame welding capacity, more utilize the bearing stability of the whole box-structure of vehicle frame.
In addition, the present invention also provides a kind of hoisting crane, comprises lifting mechanism and movable supporting legs, it is characterized in that, this hoisting crane also has above-mentioned each described vehicle frame, and lifting mechanism is arranged on the vehicle frame back segment 13, and movable supporting legs is connected with fixed supporting leg 11.Need to prove that other structure members of this hoisting crane please refer to prior art, this paper repeats no more.
More than hoisting crane provided by the present invention and vehicle frame thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (10)

1. vehicle frame; Comprise vehicle frame back segment (13), the end of said vehicle frame back segment (13) is connected in fixed supporting leg (11), it is characterized in that; Said fixed supporting leg (11) comprises the outer vertical plate (111) that laterally arranges, middle riser (112) and inner vertical plate (113); Be provided with groove (114) on said outer vertical plate (111), said middle riser (112) and the said inner vertical plate (113), be provided with riser cover plate (115) between the said groove (114), said vehicle frame back segment (13) is inlaid in the said groove (114); The top of said groove (114) flushes with the upper cover plate (134) of said vehicle frame back segment (113), and the lower cover of said vehicle frame back segment (13) docks with said riser cover plate (115).
2. vehicle frame according to claim 1 is characterized in that, is provided with side between the inner vertical plate (113) of said fixed supporting leg (11) and the lower cover of said vehicle frame back segment (13) and supports (12).
3. vehicle frame according to claim 2; It is characterized in that; Said side supports (12) and comprises side plate (122) and connecting panel (123); Said side plate (122) is a trapezium structure; One side of said side plate (122) is connected with said connecting panel (123), and other three limits of said side plate (122) are connected with the base plate (116) of the lower cover of said vehicle frame back segment (13), said inner vertical plate (113) and said fixed supporting leg (11) respectively, and the two ends up and down of said connecting panel (123) are connected to the lower cover and the said base plate (116) of said vehicle frame back segment (13).
4. vehicle frame according to claim 3 is characterized in that, said base plate (116) is provided with reinforced rib (121) with the junction that said side supports (12).
5. vehicle frame according to claim 1 is characterized in that, the lower cover of said vehicle frame back segment (13) and said fixed supporting leg (11) bonded assembly angle are provided with arc rib (133).
6. according to each described vehicle frame of claim 1-5, it is characterized in that, said outer vertical plate (111) and said in the same end of riser (112), along said outer vertical plate (111) and said in the plane at riser (112) place be provided with first door-plate (117); Riser in said (112) and said inner vertical plate (113) are gone up an end relative with said first door-plate (117), are provided with second door-plate (118) along the plane at said middle riser (112) place and the plane at said inner vertical plate (113) place.
7. vehicle frame according to claim 6 is characterized in that, the thickness of the thickness of said first door-plate (117) and second door-plate (118) is greater than the thickness of said outer vertical plate (111), said middle riser (112) and said inner vertical plate (113).
8. vehicle frame according to claim 7 is characterized in that, the height of said outer vertical plate (111), said middle riser (112) and said inner vertical plate (113) reduces to both sides along the top of its above groove (114).
9. vehicle frame according to claim 8 is characterized in that, the end of said vehicle frame back segment (13) is provided with closure plate (131) that aligns with said outer vertical plate (111) and the dividing plate (132) that aligns with said middle riser (112) and said inner vertical plate (113).
10. a hoisting crane comprises lifting mechanism and movable supporting legs, it is characterized in that, this hoisting crane also has each described vehicle frame of above-mentioned 1-9, and said lifting mechanism is arranged on the said vehicle frame back segment (13), and said movable supporting legs is connected with said fixed supporting leg (11).
CN 201010575757 2010-12-06 2010-12-06 Crane and frame thereof Active CN102009919B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010575757 CN102009919B (en) 2010-12-06 2010-12-06 Crane and frame thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010575757 CN102009919B (en) 2010-12-06 2010-12-06 Crane and frame thereof

Publications (2)

Publication Number Publication Date
CN102009919A CN102009919A (en) 2011-04-13
CN102009919B true CN102009919B (en) 2012-09-26

Family

ID=43840283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010575757 Active CN102009919B (en) 2010-12-06 2010-12-06 Crane and frame thereof

Country Status (1)

Country Link
CN (1) CN102009919B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310845B (en) * 2011-06-15 2013-09-04 徐州重型机械有限公司 Wheel crane and bearing structure thereof
CN102285584A (en) * 2011-06-24 2011-12-21 长沙中联重工科技发展股份有限公司 Fixing leg and frame connecting structure and engineering machinery
WO2012174747A1 (en) * 2011-06-24 2012-12-27 长沙中联重工科技发展股份有限公司 Fixed supporting leg and frame connecting structure
CN102431892A (en) * 2011-11-28 2012-05-02 中联重科股份有限公司 Crane and frame thereof
CN102619824B (en) * 2012-03-21 2014-01-15 三一帕尔菲格特种车辆装备有限公司 Connecting structure of bracket and cover plate and crane
CN103112499B (en) * 2013-01-31 2015-06-17 徐州重型机械有限公司 Multi-box type inverted trapezoidal crane frame and crane provided with same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07267585A (en) * 1994-03-31 1995-10-17 Kato Works Co Ltd Self-mobile crane
JP3434370B2 (en) * 1994-11-15 2003-08-04 株式会社加藤製作所 Outriggers for special vehicles
JP3959561B2 (en) * 1997-09-24 2007-08-15 株式会社加藤製作所 Outrigger reinforcement member for wheel crane
EP1772415A3 (en) * 2005-10-04 2008-09-03 Liebherr-Werk Ehingen GmbH Support device for a mobile crane
CN201292227Y (en) * 2008-11-19 2009-08-19 三一汽车制造有限公司 Front swing support of truck crane and truck crane having the same
CN101457589B (en) * 2008-12-26 2011-04-13 三一重工股份有限公司 Construction machine
CN201882777U (en) * 2010-12-06 2011-06-29 徐州重型机械有限公司 Crane and frame thereof

Also Published As

Publication number Publication date
CN102009919A (en) 2011-04-13

Similar Documents

Publication Publication Date Title
CN102009919B (en) Crane and frame thereof
CN201882777U (en) Crane and frame thereof
CN102535857B (en) Box beam, arm support, outrigger and engineering machine
CN103193162B (en) Crane heightening device and method
CN101122118A (en) Method for reinforcing and modifying through steel truss bridge
CN202378960U (en) Crane frame and crane
CN203127978U (en) Combined type automatic escalator truss
CN103723198B (en) A kind of wheeled crane and body frame structure for automotive thereof
CN201634994U (en) Bolting-welding combined member
CN205171466U (en) Welding bottom support on integral hinge dam
CN201406990Y (en) Luffing device of rotary drilling rig
CN103291225A (en) Drilling rig and rig frame thereof
CN202706083U (en) Bulldozer and bulldozer working device
CN103522416A (en) Feed hopper mounting structure for concrete mixing truck and concrete mixing transporting truck
CN102392491A (en) Connecting joint for beam, column and inclined strut of box section of boiler steel frame and construction method thereof
CN204000620U (en) A kind of Bridge Erector is packed device
CN101139813A (en) Steel truss of through bridge
CN202617567U (en) Corner connector
CN203639010U (en) Section steel butt-joint structure, A frame structure of tower type crane and tower type crane
CN102418676B (en) Welded rack of wind driven generator group
CN102535507A (en) Combined tower base
CN202864480U (en) Bucket-wheel stacker-reclaimer hinged connection type gate seat
CN201474619U (en) Gangue dumping platform support device
CN104310241A (en) Standard knot of tower crane
CN203383739U (en) Drilling machine and frame thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant