CN104477267A - Base, traveling device and crawler crane - Google Patents
Base, traveling device and crawler crane Download PDFInfo
- Publication number
- CN104477267A CN104477267A CN201410791017.3A CN201410791017A CN104477267A CN 104477267 A CN104477267 A CN 104477267A CN 201410791017 A CN201410791017 A CN 201410791017A CN 104477267 A CN104477267 A CN 104477267A
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- China
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- connecting portion
- base
- portions
- frame
- crawler crane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/10—Bogies; Frames
Abstract
The invention discloses a base, a traveling device and a crawler crane. The base is used for the crawler crane, and comprises a left base, a middle base and a right base, wherein the left side and the right side of the left base are respectively provided with a first connecting part and a second connecting part, the left side and the right side of the middle base are respectively provided with a third connecting part and a fourth connecting part, the left side and the right side of the right base are respectively provided with a fifth connecting part and a sixth connecting part, the second connecting part is detachably connected with the third connecting part, the fourth connecting part is detachably connected with the fifth connecting part, and the first connecting part is detachably connected with a left crawler frame of the crawler crane. By adopting the base structure, in the transportation process, only the left base and the right base need to be detached, and the middle base is connected with the crawler frame through the corresponding connecting part; the operation is simple and convenient, the increase of main machine weight and cost is avoided, the cost of equipment is lower, and the transportation cost of the equipment is favorably reduced.
Description
Technical field
The present invention relates to crane field, particularly a kind of base, running gear and crawler crane.
Background technology
Crawler crane is that one utilizes track-type swing arm rotary crane.Crawler crane has that track area is large, and crossing ability is good, strong adaptability, can be with and carry walking and the feature such as load-carrying ability is strong, is the major project machinery of building ground lifting operation, can carries out the operations such as the handling of object installing/dismounting.
Crawler crane mainly by running gear, swing type mechanism, get on the bus, implement and suspension hook form.Wherein, running gear realizes the pith that complete machine moves and support.Running gear includes base and track frame, each side connection track frame of base.Crawler crane carries the function of walking in order to meet its band, its track center distance is (after namely base is connected with track frame, two track frame width between centerss) certain width requirement must be met, and the track center distance of general middle large-tonnage crawler crane is all wider, when equipment transition, must be transported after base and track frame partition by flat truck, traffic cost is higher.Especially for short-distance transport, not only cost is high, also affects operating efficiency.In order to can improve operating efficiency and reduce traffic cost, in prior art, usually through build meet crawler crane walking wide road to reduce the scheme of transition traffic cost.But constructing road cost is still very high, the reduction for traffic cost is very limited, is even sometimes subject to the restriction of geographical conditions, and widening road cannot build.
Summary of the invention
In view of this, the present invention proposes the lower base of a kind of traffic cost, running gear and crawler crane.For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of base, for crawler crane, comprising: left base, middle base and right base; Wherein, the left side of described left base and right side are respectively arranged with the first connecting portion and the second connecting portion; The left side of described middle base and right side are respectively arranged with the 3rd connecting portion and the 4th connecting portion; The left side of described right base and right side are respectively arranged with the 5th connecting portion and the 6th connecting portion; Described second connecting portion and the 3rd connecting portion can removably connect; Described 4th connecting portion and the 5th connecting portion can removably connect; The left track frame of described first connecting portion and described crawler crane can removably connect; The right-hand track chiain frame of described 6th connecting portion and described crawler crane can removably connect; Described 3rd connecting portion and described left track frame can removably connect; Described 4th connecting portion and described right-hand track chiain frame can removably connect.
Further, the number of described first connecting portion, described second connecting portion, described 3rd connecting portion, described 4th connecting portion, described 5th connecting portion and described 6th connecting portion is two.
Further, the spacing of two described first connecting portions, two described second connecting portions, two described 3rd connecting portions, two described 4th connecting portions, two described 5th connecting portions and two described 6th connecting portions is all equal.
Further, described first connecting portion, described 3rd connecting portion, described 4th connecting portion and described 6th connecting portion are box-structure; Described second connecting portion and described 5th connecting portion include two otic placodes; Described 3rd connecting portion is installed between two otic placodes of described second connecting portion, and described 4th connecting portion is installed between two otic placodes of described 5th connecting portion.
Further, the bottom of described first connecting portion, described 3rd connecting portion, described 4th connecting portion and described 6th connecting portion is provided with pin-and-hole, and top is provided with arc notch; The axis of described pin-and-hole and arc notch is all arranged along the length direction of described crawler crane; Two connecting portions be connected are removably connected with the second bearing pin being positioned at described arc notch by the first bearing pin being fed through described pin-and-hole.
Further, described first connecting portion and described second connecting portion are welded in described left base; Described 3rd connecting portion and described 4th connecting portion are welded in described middle base; Described 5th connecting portion and described 6th connecting portion are welded in described right base.
On the other hand, the present invention also provides a kind of running gear, for crawler crane, comprises left track frame and right-hand track chiain frame; Also comprise the base described in above-mentioned any one, described left track frame and right-hand track chiain frame are optionally connected with described 6th connecting portion with described first connecting portion respectively, or are connected with described 4th connecting portion with described 3rd connecting portion respectively.
Further, described left track frame and described right-hand track chiain frame are respectively arranged with the 7th connecting portion and the 8th connecting portion; The number of described first connecting portion, described second connecting portion, described 3rd connecting portion, described 4th connecting portion, described 5th connecting portion, described 6th connecting portion, described 7th connecting portion and described 8th connecting portion is two; Further, the spacing of two described first connecting portions, two described second connecting portions, two described 3rd connecting portions, two described 4th connecting portions, two described 5th connecting portions, two described 6th connecting portions, two described 7th connecting portions and two described 8th connecting portions is all equal; Two described 7th connecting portions and two described 8th connecting portions optionally respectively first connecting portion described with two be connected with two described 6th connecting portions, or three connecting portion described with two is connected with two described 4th connecting portions respectively.
Correspondingly, the present invention also provides a kind of crawler crane, and it is provided with above-mentioned running gear.
Further, described crawler crane has mode of operation and travelling position; Under described mode of operation, described left track frame is connected with described base with described 6th connecting portion respectively by described first connecting portion with described right-hand track chiain frame; Under described travelling position, described left track frame is connected with base in described base with described 4th connecting portion respectively by described 3rd connecting portion with described right-hand track chiain frame.
Base provided by the invention is Split type structure, comprises the left base removably connected in turn from left to right, middle base and right base, is removably connected between adjacent split base by the corresponding connecting portion arranged.In working order, three split bases are connected, and form wider understructure, are connected between two track frames, to ensure having enough track center distances by the 6th connecting portion of the first connecting portion and right base that do base; Under travelling position, by left base and the dismounting of right base, only middle base can be connected between two track frames by its second connecting portion and the 3rd connecting portion, namely reduce base width, to meet the requirement of conveyor width.In sum, adopt understructure provided by the invention, the demand of work gauge can be ensured on the one hand; On the other hand when transporting, being transported by accessory equipments such as flat trucks after neither needing base and track frame breaks, also not needing to build wider road, middle base is connected with track frame by corresponding connecting portion after two bases about need pulling down.Easy and simple to handle, do not increase main frame weight and cost, equipment cost is lower, is conducive to the traffic cost of reduction equipment.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The schematic front view of the base that Fig. 1 provides for the embodiment of the present invention one;
The schematic top plan view of the base that Fig. 2 provides for the embodiment of the present invention one;
The schematic front view of the Split type structure of the base that Fig. 3 provides for the embodiment of the present invention one;
The schematic top plan view of the Split type structure of the base that Fig. 4 provides for the embodiment of the present invention one;
The running gear that Fig. 5 provides for the embodiment of the present invention two in working order under structural representation;
The structural representation of running gear under travelling position that Fig. 6 provides for the embodiment of the present invention two.
Description of reference numerals:
1 left base 11 first connecting portion
Base in 12 second connecting portions 2
21 the 3rd connecting portion 22 the 4th connecting portions
3 right base 31 the 5th connecting portions
32 the 6th connecting portion 101 pin-and-holes
102 arc notch 41 first bearing pins
The left track frame of 42 second bearing pin 5
6 right-hand track chiain framves
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
Refer to Fig. 1 to Fig. 4, the figure shows the base for crawler crane that the embodiment of the present invention one provides.This base can comprise: left base 1, middle base 2 and right base 3; Wherein:
The left side of left base 1 and right side are respectively arranged with the first connecting portion 11 and the second connecting portion 12;
The left side of middle base 2 and right side are respectively arranged with the 3rd connecting portion 21 and the 4th connecting portion 22;
The left side of right base 3 and right side are respectively arranged with the 5th connecting portion 31 and the 6th connecting portion 32;
Second connecting portion 12 and the 3rd connecting portion 21 can removably connect;
4th connecting portion 22 and the 5th connecting portion 31 can removably connect;
First connecting portion 11 can removably connect with the left track frame 5 (referring to Fig. 5 and Fig. 6) of crawler crane;
6th connecting portion 32 can removably connect with the right-hand track chiain frame 6 (referring to Fig. 5 and Fig. 6) of crawler crane;
3rd connecting portion 21 can removably connect with left track frame 5;
4th connecting portion 22 can removably connect with right-hand track chiain frame 6.
The base that the present embodiment provides is split understructure, comprises the left base 1, middle base 2 and the right base 3 that removably connect in turn from left to right.Removably connected by the corresponding connecting portion arranged between adjacent split base.Specifically: the 3rd connecting portion 21 on the left of middle base 2 is connected with the second connecting portion 12 on the right side of left base 1; The 4th connecting portion 22 on the right side of middle base 2 is connected with the 5th connecting portion 31 on the left of right base 3; The first connecting portion 11 on the left of left base 1 is for being connected with left track frame 5; The 6th connecting portion 32 on the right side of right base 3 is for being connected with right-hand track chiain frame 6.Base adopts the advantage of above-mentioned Split type structure to be: during crawler crane work, three split bases are connected, and form wider understructure, are connected between two track frames, to ensure having enough track center distances; During crawler crane transport, left base 1 and right base 3 can be dismantled, only middle base 2 is connected between two track frames, namely reduce base width, to meet the requirement of conveyor width.Therefore, transported by accessory equipments such as flat trucks after neither needing base and track frame to break, also do not need to build wider road, middle base is connected with track frame by corresponding connecting portion after only need pulling down two bases in left and right.Easy and simple to handle, do not increase main frame weight and cost, equipment cost is lower, is conducive to the traffic cost of reduction equipment.
As the preferred version of the embodiment of the present invention one, in order to ensure the connection reliability between adjacent split base, and the connection reliability between split base and track frame, the number of above-mentioned first connecting portion 11, second connecting portion 12, the 3rd connecting portion 21, the 4th connecting portion 22, the 5th connecting portion 31 and the 6th connecting portion 32 can be two (referring to Fig. 2 and Fig. 4).Namely two connecting portions are one group, are arranged at the side of corresponding split base; In addition, often organize in two connecting portions in connecting portion, a position that can be arranged near head on corresponding split base side, another can be arranged on corresponding split base side by caudal position.
In the base that the present embodiment one provides, left track frame 5 and right-hand track chiain frame 6 both can be connected with right base 3 with left base 1 respectively, also can be connected with the both sides of middle base 2.It will be understood by those skilled in the art that and left track frame 5 and right-hand track chiain frame 6 need to arrange corresponding link.In order to simplify the structure of left track frame 5 and right-hand track chiain frame 6, the spacing preferably arranging above-mentioned two the first connecting portions 11, two the second connecting portions 12, two the 3rd connecting portions 21, two the 4th connecting portions 22, two the 5th connecting portions 31 and two the 6th connecting portions 32 is all equal.Thus, each track frame only need arrange two connecting portions and can meet and can be connected with left/right base, can be connected again with middle base 2.Namely left track frame 5 only can arrange two the 7th connecting portions, and these two the 7th connecting portions both can be connected with two the first connecting portions 11 of left base 1, also can be connected with two of middle base 2 the 3rd connecting portion 21.Correspondingly, right-hand track chiain frame 6 only can arrange two the 8th connecting portions, and these two the 8th connecting portions both can be connected with two of right base 3 the 6th connecting portion 32, also can be connected with two of middle base 2 the 4th connecting portion 22.
For the concrete structure of above-mentioned connecting portion, those skilled in the art can select in conjunction with concrete operating mode and type.As the preferred version of the embodiment of the present invention one, in order to ensure the Joint strenght between the connecting portion that is connected, above-mentioned first connecting portion 11, the 3rd connecting portion 21, the 4th connecting portion 22 and the 6th connecting portion 32 are preferably box-structure; Second connecting portion 12 and the 5th connecting portion 31 include two otic placodes; 3rd connecting portion 21 is installed between two otic placodes of the second connecting portion 12, and the 4th connecting portion 22 is installed between two otic placodes of the 5th connecting portion 31.Similarly, the 7th connecting portion of left track frame 5 and the 8th connecting portion of right-hand track chiain frame 6 also can be the structure of above-mentioned two otic placodes.First connecting portion 11 of left base 1 is installed between the 7th connecting portion two otic placodes, and the 6th connecting portion 32 of right base 3 is installed between two otic placodes of the 8th connecting portion.
Refer to Fig. 3 and Fig. 4, the bottom of above-mentioned first connecting portion 11, the 3rd connecting portion 21, the 4th connecting portion 22 and the 6th connecting portion 32 all can be provided with pin-and-hole 101, and top can be provided with arc notch 102; The axis of this pin-and-hole 101 and arc notch 102 is all arranged along the length direction of crawler crane, namely arranges in the same way with track frame; Two connecting portions be connected realize removably connecting with the second bearing pin 42 being positioned at arc notch 102 by the first bearing pin 41 being fed through above-mentioned pin-and-hole 101.During installation, after the first bearing pin 41 being fed through the pin-and-hole 101 of corresponding connecting portion, adjacent connecting portion is all limited with the motion of vertical direction in the horizontal direction; Then, be positioned in the arc notch 102 of corresponding connecting portion by the second bearing pin 42, the 42 pairs of split base motions in the horizontal direction of this second bearing pin play restriction further.Because base is stressed comparatively large in the horizontal direction, namely this kind of structure can reduce the stressed of each connection bearing pin, can conveniently install again.
In addition, in order to ensure the Joint strenght between above-mentioned each connecting portion and corresponding split base, above-mentioned connecting portion preferably welds with the fixed relationship of split base.Specifically, the first connecting portion 11 and the second connecting portion 12 are welded in left base 1; 3rd connecting portion 21 and the 4th connecting portion 22 are welded in middle base 2; 5th connecting portion 31 and the 6th connecting portion 32 are welded in right base 3.
As shown in the above, adopt the base that the embodiment of the present invention provides, the demand of track center distance can be ensured on the one hand.On the other hand when transporting, being transported by accessory equipments such as flat trucks after neither needing base and track frame to break, also not needing to build wider road.Again middle base is connected with track frame by corresponding connecting portion after only need pulling down two bases in left and right.Easy and simple to handle, equipment cost is also lower, is conducive to the traffic cost of reduction equipment.
Refer to Fig. 5 and Fig. 6, the figure shows the structure of the running gear that the embodiment of the present invention two provides, this running gear is used for crawler crane, comprises left track frame 5 and right-hand track chiain frame 6; This running gear also comprises the base that embodiment one provides, and left track frame 5 and right-hand track chiain frame 6 are optionally connected with the 6th connecting portion 32 with above-mentioned first connecting portion 11 respectively, or is connected with the 4th connecting portion 22 with above-mentioned 3rd connecting portion 21 respectively.
Further, left track frame 5 and right-hand track chiain frame 6 can be respectively arranged with the 7th connecting portion and the 8th connecting portion; The number of the first connecting portion 11, second connecting portion 12, the 3rd connecting portion 21, the 4th connecting portion 22, the 5th connecting portion 31, the 6th connecting portion 32, the 7th connecting portion and the 8th connecting portion is two; Further, the spacing of two the first connecting portions, 11, two the second connecting portions, 12, two the 3rd connecting portions, 21, two the 4th connecting portions, 22, two the 5th connecting portions, 31, two the 6th connecting portions, 32, two the 7th connecting portions and two the 8th connecting portions is all equal; Two the 7th connecting portions are optionally connected with two the 6th connecting portions 32 with two the first connecting portions 11 respectively with two the 8th connecting portions, or are connected with two the 4th connecting portions 22 with two the 3rd connecting portions 21 respectively.
When two track frames are connected with right base 3 with left base 1 respectively, the distance between two track frames is comparatively large, is applicable to mode of operation, as shown in Figure 5; When two track frames are connected with the both sides of middle base 2 respectively, the distance between two track frames is less, is applicable to travelling position, as shown in Figure 6.
Because above-mentioned base has above-mentioned technique effect, therefore, the running gear being provided with this base also should possess the low advantage of traffic cost.Its specific implementation process is similar to the above embodiments, does not hereby repeat.
The embodiment of the present invention three also provides a kind of crawler crane, and it is provided with the running gear that embodiment two provides.Crawler crane can have mode of operation and travelling position; (refer to Fig. 5) in working order, left track frame 5 is connected with base with the 6th connecting portion 32 respectively by the first connecting portion 11 with right-hand track chiain frame 6; Under travelling position, (refer to Fig. 6), left track frame 5 is connected with base in base 2 with the 4th connecting portion 22 respectively by the 3rd connecting portion 21 with right-hand track chiain frame 6.
Because above-mentioned running gear has above-mentioned technique effect, therefore, the crawler crane being provided with this running gear also should possess the lower technique effect of traffic cost, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a base, for crawler crane, is characterized in that, comprising: left base (1), middle base (2) and right base (3); Wherein,
The left side of described left base (1) and right side are respectively arranged with the first connecting portion (11) and the second connecting portion (12);
The left side of described middle base (2) and right side are respectively arranged with the 3rd connecting portion (21) and the 4th connecting portion (22);
The left side of described right base (3) and right side are respectively arranged with the 5th connecting portion (31) and the 6th connecting portion (32);
Described second connecting portion (12) and the 3rd connecting portion (21) can removably connect;
Described 4th connecting portion (22) and the 5th connecting portion (31) can removably connect;
Described first connecting portion (11) can removably connect with the left track frame (5) of described crawler crane;
Described 6th connecting portion (32) can removably connect with the right-hand track chiain frame (6) of described crawler crane;
Described 3rd connecting portion (21) and described left track frame (5) can removably connect;
Described 4th connecting portion (22) and described right-hand track chiain frame (6) can removably connect.
2. base according to claim 1, it is characterized in that, the number of described first connecting portion (11), described second connecting portion (12), described 3rd connecting portion (21), described 4th connecting portion (22), described 5th connecting portion (31) and described 6th connecting portion (32) is two.
3. base according to claim 2, it is characterized in that, the spacing of two described first connecting portions (11), two described second connecting portions (12), two described 3rd connecting portions (21), two described 4th connecting portions (22), two described 5th connecting portions (31) and two described 6th connecting portions (32) is all equal.
4. base according to claim 1, it is characterized in that, described first connecting portion (11), described 3rd connecting portion (21), described 4th connecting portion (22) and described 6th connecting portion (32) are box-structure; Described second connecting portion (12) and described 5th connecting portion (31) include two otic placodes; Described 3rd connecting portion (21) is installed between two otic placodes of described second connecting portion (12), and described 4th connecting portion (22) is installed between two otic placodes of described 5th connecting portion (31).
5. base according to claim 1, it is characterized in that, the bottom of described first connecting portion (11), described 3rd connecting portion (21), described 4th connecting portion (22) and described 6th connecting portion (32) is provided with pin-and-hole (101), and top is provided with arc notch (102); The axis of described pin-and-hole (101) and arc notch (102) is all arranged along the length direction of described crawler crane;
Two connecting portions be connected are removably connected by the first bearing pin (41) of being fed through described pin-and-hole (101) and the second bearing pin (42) of being positioned at described arc notch (102).
6. base according to claim 1, is characterized in that, described first connecting portion (11) and described second connecting portion (12) are welded in described left base (1); Described 3rd connecting portion (21) and described 4th connecting portion (22) are welded in described middle base (2); Described 5th connecting portion (31) and described 6th connecting portion (32) are welded in described right base (3).
7. a running gear, for crawler crane, comprises left track frame (5) and right-hand track chiain frame (6); It is characterized in that, also comprise the base described in claim 1 to 6 any one, described left track frame (5) and right-hand track chiain frame (6) are optionally connected with described 6th connecting portion (32) with described first connecting portion (11) respectively, or are connected with described 4th connecting portion (22) with described 3rd connecting portion (21) respectively.
8. running gear according to claim 7, is characterized in that, described left track frame (5) and described right-hand track chiain frame (6) are respectively arranged with the 7th connecting portion and the 8th connecting portion;
The number of described first connecting portion (11), described second connecting portion (12), described 3rd connecting portion (21), described 4th connecting portion (22), described 5th connecting portion (31), described 6th connecting portion (32), described 7th connecting portion and described 8th connecting portion is two; Further, the spacing of two described first connecting portions (11), two described second connecting portions (12), two described 3rd connecting portions (21), two described 4th connecting portions (22), two described 5th connecting portions (31), two described 6th connecting portions (32), two described 7th connecting portions and two described 8th connecting portions is all equal;
Two described 7th connecting portions and two described 8th connecting portions optionally respectively first connecting portion (11) described with two be connected with two described 6th connecting portions (32), or three connecting portion (21) described with two is connected with two described 4th connecting portions (22) respectively.
9. a crawler crane, is characterized in that, is provided with the running gear described in claim 7 or 8.
10. crawler crane according to claim 9, is characterized in that, described crawler crane has mode of operation and travelling position; Under described mode of operation, described left track frame (5) is connected with described base with described 6th connecting portion (32) respectively by described first connecting portion (11) with described right-hand track chiain frame (6); Under described travelling position, described left track frame (5) is connected with the middle base (2) of described base with described 4th connecting portion (22) respectively by described 3rd connecting portion (21) with described right-hand track chiain frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791017.3A CN104477267A (en) | 2014-12-18 | 2014-12-18 | Base, traveling device and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791017.3A CN104477267A (en) | 2014-12-18 | 2014-12-18 | Base, traveling device and crawler crane |
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| CN104477267A true CN104477267A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410791017.3A Pending CN104477267A (en) | 2014-12-18 | 2014-12-18 | Base, traveling device and crawler crane |
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| CN113562087A (en) * | 2021-08-18 | 2021-10-29 | 徐工集团工程机械股份有限公司建设机械分公司 | Crawler chassis device and crawler crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562087A (en) * | 2021-08-18 | 2021-10-29 | 徐工集团工程机械股份有限公司建设机械分公司 | Crawler chassis device and crawler crane |
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