CN201882777U - Crane and frame thereof - Google Patents
Crane and frame thereof Download PDFInfo
- Publication number
- CN201882777U CN201882777U CN2010206443373U CN201020644337U CN201882777U CN 201882777 U CN201882777 U CN 201882777U CN 2010206443373 U CN2010206443373 U CN 2010206443373U CN 201020644337 U CN201020644337 U CN 201020644337U CN 201882777 U CN201882777 U CN 201882777U
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- vehicle frame
- plate
- vertical plate
- back segment
- supporting leg
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Abstract
The utility model provides a frame, which comprises a frame rear section (13). The end of the frame rear section (13) is connected to a fixed supporting leg (11), the fixed supporting leg (11) comprises an external vertical plate (111), a middle vertical plate (112) and an internal vertical plate (113) which are arranged in parallel, grooves (114) are disposed on the external vertical plate (111), the middle vertical plate (112) and the internal vertical plate (113), a vertical plate cover plate (115) is arranged among the grooves (114), the frame rear section (13) is embedded in the grooves (114), top ends of the grooves (114) are flush with an upper cover plate (134) of the frame rear section (113), and a lower cover plate of the frame rear section (13) is in butt joint with the vertical plate cover plate (115). The frame has the advantages of high bearing capability and stability. In addition, the utility model further provides a crane with the frame.
Description
Technical field
The utility model relates to vehicle frame interconnection technique field, relates in particular to a kind of vehicle frame.In addition, the utility model also 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, 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 by 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 and fixed supporting leg 3 extend at two different directions, 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 is connected and fixed supporting leg 3 (end only is shown among the figure) respectively, and both are spliced to form vehicle frame mutually.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 is subjected to 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 by connection modes such as welding, and whole vehicle frame is made 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.
The utility model content
The purpose of this utility model provides a kind of vehicle frame, and this vehicle frame has the advantage that load-carrying capacity is strong, stability is high.Simultaneously, another purpose of the present utility model provides a kind of hoisting crane with above-mentioned vehicle frame.
For achieving the above object, the utility model provides a kind of vehicle frame, comprise the vehicle frame back segment, the end of described vehicle frame back segment is connected in fixed supporting leg, described fixed supporting leg comprises the outer vertical plate that be arranged in parallel, middle riser and inner vertical plate, be provided with groove on described outer vertical plate, described middle riser and the described inner vertical plate, be provided with the riser cover plate between the described groove, described vehicle frame back segment is inlaid in the described groove, the top of described groove flushes with the upper cover plate of described vehicle frame back segment, and the lower cover of described vehicle frame back segment docks with described riser cover plate.
Preferably, being provided with side between the lower cover of the inner vertical plate of described fixed supporting leg and described vehicle frame back segment supports.
Preferably, described side supports and comprises side plate and connecting panel, one side of described side plate is connected with described connecting panel, the both sides up and down of described side plate are the scalene setting, other three limits of described side plate are connected with the base plate of the lower cover of described vehicle frame back segment, described inner vertical plate and described fixed supporting leg respectively, and the two ends up and down of described connecting panel are connected to the lower cover and the described base plate of described vehicle frame back segment.
Preferably, the junction of described base plate and described side support is provided with reinforced rib.
Preferably, the lower cover of described vehicle frame back segment and described fixed supporting leg bonded assembly angle are provided with the arc rib.
Preferably, described outer vertical plate and described in the same end of riser, along the plane at described outer vertical plate place and described in the plane at riser place be provided with first door-plate; An end relative with described first door-plate on riser and the described inner vertical plate in described, the plane at riser place and the plane at described inner vertical plate place are provided with second door-plate in described.
Preferably, the height of described outer vertical plate, described outer vertical plate, described middle riser and described inner vertical plate reduces to both sides along the top of its above groove.
Preferably, the thickness of the thickness of described first door-plate and second door-plate is greater than the thickness of described outer vertical plate, described middle riser and described inner vertical plate.
Preferably, the end of described vehicle frame back segment is provided with closure plate that aligns with described outer vertical plate and the dividing plate that aligns with described middle riser and described inner vertical plate.
In addition, the utility model 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 described lifting mechanism is arranged on the described vehicle frame back segment, and described movable supporting legs is connected with described fixed supporting leg.
Vehicle frame provided by the utility model, comprise the vehicle frame back segment, 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, 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, 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, have bigger moment of inertia of cross-section, reduced stress concentration, improved the load-carrying capacity of vehicle frame; And this structure does not need to 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 the plane at riser place and the plane at inner vertical plate 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 three risers of first door-plate and second door-plate and fixed supporting leg form a single-piece box, 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 utility model;
Fig. 3 is the decomposition texture scheme drawing of vehicle frame provided by the utility model shown in Figure 2;
Fig. 4 is the structural representation of the fixed supporting leg of vehicle frame provided by the utility model shown in Figure 2;
Fig. 5 is the structural representation that the side of vehicle frame provided by the utility model shown in Figure 2 supports;
Fig. 6 is the structural representation of the vehicle frame back segment of vehicle frame provided by the utility model shown in Figure 2.
The specific embodiment
Core of the present utility model 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 utility model provides a kind of hoisting crane that comprises above-mentioned vehicle frame.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
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 utility model, Fig. 3 is the decomposition texture scheme drawing of vehicle frame provided by the utility model shown in Figure 2, and Fig. 4 is the structural representation of the fixed supporting leg of vehicle frame provided by the utility model shown in Figure 2.
As shown in Figure 2, vehicle frame provided by the utility model, comprise 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 be arranged in parallel 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, the assembly of the upper cover plate of vehicle frame back segment 13 is directly linked to each other 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 the stability and the load capacity of vehicle frame carrying.
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 utility model 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, 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 is supported 12 structures that are designed to side plate 122 and connecting panel 123 combinations can increase the bulk strength of side support 12, 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, the load of can further mild transition vehicle frame being born, 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 as shown in FIG. in the junction of base plate 116 and connecting panel 123.Owing to the situation of stress concentration takes place easily in the side support 12 of load being played transitional function and the junction of fixed supporting leg 11, 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 to support 12 with after being connected of fixed supporting leg 11 and vehicle frame back segment 13 finishes in side, and it is welded on the lateral surface of the lateral surface of base plate 116 and connecting panel 123.
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 the plane at riser 112 places and the plane at inner vertical plate 113 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 first door-plate 5 and second door-plate 6 in the prior art and is arranged at connection mode on fixed supporting leg 3 upper cover plates.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 utility model 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 energy 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, it is 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 utility model 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 upper cover plate 134 can 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.
The upper cover plate 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, lower cover and first door-plate 117 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 utility model 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 utility model and vehicle frame thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. vehicle frame, comprise vehicle frame back segment (13), the end of described vehicle frame back segment (13) is connected in fixed supporting leg (11), it is characterized in that, described fixed supporting leg (11) comprises the outer vertical plate (111) that be arranged in parallel, middle riser (112) and inner vertical plate (113), described outer vertical plate (111), be provided with groove (114) on riser (112) and the described inner vertical plate (113) in described, be provided with riser cover plate (115) between the described groove (114), described vehicle frame back segment (13) is inlaid in the described groove (114), the top of described groove (114) flushes with the upper cover plate (134) of described vehicle frame back segment (113), and the lower cover of described vehicle frame back segment (13) docks with described 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 described fixed supporting leg (11) and the lower cover of described vehicle frame back segment (13) and supports (12).
3. vehicle frame according to claim 2, it is characterized in that, described side supports (12) and comprises side plate (122) and connecting panel (123), described side plate (122) is a trapezium structure, one side of described side plate (122) is connected with described connecting panel (123), other three limits of described side plate (122) are connected with the base plate (116) of the lower cover of described vehicle frame back segment (13), described inner vertical plate (113) and described fixed supporting leg (11) respectively, and the two ends up and down of described connecting panel (123) are connected to the lower cover and the described base plate (116) of described vehicle frame back segment (13).
4. vehicle frame according to claim 3 is characterized in that, described base plate (116) is provided with reinforced rib (121) with the junction that described side supports (12).
5. vehicle frame according to claim 1 is characterized in that, the lower cover of described vehicle frame back segment (13) and described 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, described outer vertical plate (111) and described in the same end of riser (112), along described outer vertical plate (111) and described in the plane at riser (112) place be provided with first door-plate (117); Riser in described (112) is gone up an end relative with described first door-plate (117) with described inner vertical plate (113), is provided with second door-plate (118) along the plane at described middle riser (112) place and the plane at described inner vertical plate (113) place.
7. vehicle frame according to claim 6 is characterized in that, the thickness of the thickness of described first door-plate (117) and second door-plate (118) is greater than the thickness of described outer vertical plate (111), described middle riser (112) and described inner vertical plate (113).
8. vehicle frame according to claim 7 is characterized in that, the height of described outer vertical plate (111), described middle riser (112) and described 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 described vehicle frame back segment (13) is provided with closure plate (131) that aligns with described outer vertical plate (111) and the dividing plate (132) that aligns with described middle riser (112) and described inner vertical plate (113).
10. hoisting crane, comprise 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, described lifting mechanism is arranged on the described vehicle frame back segment (13), and described movable supporting legs is connected with described fixed supporting leg (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206443373U CN201882777U (en) | 2010-12-06 | 2010-12-06 | Crane and frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206443373U CN201882777U (en) | 2010-12-06 | 2010-12-06 | Crane and frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201882777U true CN201882777U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206443373U Expired - Lifetime CN201882777U (en) | 2010-12-06 | 2010-12-06 | Crane and frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201882777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009919A (en) * | 2010-12-06 | 2011-04-13 | 徐州重型机械有限公司 | Crane and frame thereof |
| CN103723198A (en) * | 2013-11-12 | 2014-04-16 | 徐州重型机械有限公司 | Wheel crane and frame structure thereof |
| CN106467275A (en) * | 2015-08-18 | 2017-03-01 | 徐工集团工程机械股份有限公司 | A kind of basic arm attachment structure and with car arm-folding crane |
-
2010
- 2010-12-06 CN CN2010206443373U patent/CN201882777U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009919A (en) * | 2010-12-06 | 2011-04-13 | 徐州重型机械有限公司 | Crane and frame thereof |
| CN103723198A (en) * | 2013-11-12 | 2014-04-16 | 徐州重型机械有限公司 | Wheel crane and frame structure thereof |
| CN103723198B (en) * | 2013-11-12 | 2016-08-17 | 徐州重型机械有限公司 | A kind of wheeled crane and body frame structure for automotive thereof |
| CN106467275A (en) * | 2015-08-18 | 2017-03-01 | 徐工集团工程机械股份有限公司 | A kind of basic arm attachment structure and with car arm-folding crane |
| CN106467275B (en) * | 2015-08-18 | 2019-08-27 | 徐工集团工程机械股份有限公司 | A kind of basic arm connection structure and with vehicle arm-folding crane |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20120926 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20120926 |