CN204978926U - A clamping rail device, track frame reach and dig rig soon for track frame - Google Patents
A clamping rail device, track frame reach and dig rig soon for track frame Download PDFInfo
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- CN204978926U CN204978926U CN201520686957.6U CN201520686957U CN204978926U CN 204978926 U CN204978926 U CN 204978926U CN 201520686957 U CN201520686957 U CN 201520686957U CN 204978926 U CN204978926 U CN 204978926U
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Abstract
The utility model provides the utility model discloses a clamping rail device of track frame, the track frame includes the track frame bottom plate and installs a plurality of thrust wheels on the track frame bottom plate, the clamping rail device is including the apron, first riser and second riser, the apron has the first end, the second end and first connecting portion and the second connecting portion of connection between first end and the second end, the middle part is equipped with a through -hole that is used for acceping the thrust wheel, the apron has first surface and second surface, the first surface is used for fixing at the track frame bottom plate, the first end is equipped with first draw -in groove on the second surface, the second end is equipped with the second draw -in groove on the second surface, first draw -in groove is parallel to each other with the second draw -in groove, the end fixing that first riser is close to the second surface is in first draw -in groove, the end fixing that the second riser is close to the second surface is in the second draw -in groove, first riser is parallel to each other and forms a spacing groove between the two with the second riser. The clamping rail device has the ability of bearing great load, and simple structure, be convenient for dismouting and maintenance. The utility model provides a dig the rig soon.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of rail clamping device for track frame, track frame and rotary drilling rig.
Background technology
Have the tracked construction equipment of numerous species in construction machinery industry, such as crawler type rotary drilling rig, crawler crane etc., tracked construction equipment comprises the compositions such as the pivoting support of track frame, upper frame assembly, connecting band track frame and upper frame assembly.Fig. 1 is the structural representation of the track frame of existing a kind of crawler type rotary drilling rig, as shown in Figure 1, track frame is the traveling gear of rotary drilling rig, comprise left track frame 1, right-hand track chiain frame 2, connect left track frame 1 and right-hand track chiain frame 2 lower vehicle frame 3 and be separately positioned on compositions such as " four-wheel one are with " on left track frame 1 and right-hand track chiain frame 2, " four-wheel one is with " refers to drive wheel, guide wheel, holder sprocket wheel, caterpillar wheel 4 and crawler belt 5.Caterpillar wheel 4 is arranged on the lower surface of track frame base plate 6, the Main Function of caterpillar wheel 4 is the weight supporting rotary drilling rig, crawler belt 5 comprises caterpillar block 5a and arranges the chain rail 5b of caterpillar block 5a inside face, tractive force is passed to ground by engagement crawler belt 5 on the drive wheel by rotary drilling rig, antagonistic force by ground realizes the walking of rotary drilling rig, during rotary drilling rig walking, formed between the chain rail 5b of crawler belt 5 and caterpillar wheel 4 and roll, the track simultaneously also relying on the roller flange clamping chain rail 5b of caterpillar wheel 4 that the chain rail 5b of crawler belt 5 is formed along caterpillar wheel 4 slides.
Because the complex structure of rotary drilling rig, weight are large, and rotary drilling rig operationally, its traveling gear will produce different motion (as: advance, retreat, turn to) according to the relative ground of various different operating mode, the chain rail 5b easily horizontal looseness in the track that caterpillar wheel 4 is formed of crawler belt 5, can wear and tear mutually between crawler belt 5 and caterpillar wheel 4, chain rail 5b even can skid off track and occur derailment occurring, therefore, track frame is also provided with multiple rail clamping device 7 for reducing wearing and tearing between crawler belt 5 and caterpillar wheel 4, preventing crawler belt 5 from derailing at the lower surface of track frame base plate 6.Fig. 2 a to Fig. 2 b is the structural representation that existing a kind of rail clamping device is arranged on track frame base plate, Fig. 3 a is the front view of existing a kind of rail clamping device, Fig. 3 b is the left view of Fig. 3 a, Fig. 3 c is the birds-eye view of Fig. 3 a, see also Fig. 1, Fig. 2 a to Fig. 2 b, Fig. 3 a to Fig. 3 c, track frame base plate 6 has the first base plate 6a and the second base plate 6b that go up along its length, track frame base plate 6 is spaced and arranges multiple assembly opening 6c for installing caterpillar wheel 4, the wheel body of caterpillar wheel 4 is positioned at assembly opening 6c, the two ends of the wheel shaft of caterpillar wheel 4 are arranged on the first base plate 6a of track frame base plate 6 and the second base plate 6b respectively by mount pad and caterpillar wheel 4 are fixed on track frame base plate 6.Multiple rail clamping devices 7 are disposed on the lower surface of track frame base plate 6, and each rail clamping device 7 is arranged around a caterpillar wheel 4.Particularly, rail clamping device 7 comprises cover plate 71, riser 72, connecting rod 73 and gusset 74, wherein, the quantity of cover plate 71 is two, be separately positioned on the lower surface of the first base plate 6a of track frame base plate 6 and the lower surface of the second base plate 6b, each cover plate 71 is provided with the riser 72 vertical with cover plate 71 away from the surface of track frame base plate 6, two opposing parallel settings of riser 72, two connecting rods 73 are provided with between two risers 72, connecting rod 73 is connected by the first bolt 75 with riser 72, the riser 72 that gusset 74 connects cover plate 71 and is connected with cover plate 71, gusset 74 is simultaneously perpendicular to cover plate 71 and riser 72.The cover plate 71 of rail clamping device 7 is fixed by the second bolt 76 and track frame base plate 6, when rotary drilling rig uses, particularly in large-tonnage machinery, the impulsive force being parallel to caterpillar wheel 4 axis that the riser 72 of rail clamping device 7 is subject to from crawler belt 5 can be very large, now, the first bolt 75 will bear larger axial load, and the second bolt 76 will bear larger radial weight simultaneously, first bolt 75 and the second bolt 76 are easily destroyed, and rail clamping device 7 cannot bear larger load.
Utility model content
The utility model provides a kind of rail clamping device for track frame, and it has the ability of bearing larger load, and structure is simple, is convenient to dismounting and maintenance.
The utility model also provides a kind of track frame, and its rail clamping device has the ability of bearing larger load, and the structure of rail clamping device is simple, is convenient to dismounting and maintenance.
The utility model additionally provides a kind of rotary drilling rig, and the rail clamping device of its track frame has the ability of bearing larger load, and the structure of rail clamping device is simple, is convenient to dismounting and maintenance.
It is adopt following technical scheme to realize that the utility model solves its technical matters.
A kind of rail clamping device for track frame, track frame comprises track frame base plate and is arranged on the multiple caterpillar wheels on track frame base plate, rail clamping device comprises cover plate, first riser and the second riser, cover plate has first end, the second end relative with first end and be connected to the first connecting portion between first end and the second end and relative and the second connecting portion, the middle part of cover plate is provided with one for accommodating the through hole of caterpillar wheel, cover plate has first surface and the second surface relative with first surface, first surface is for being fixed on track frame base plate, first end is provided with the first draw-in groove in second surface, the second end is provided with the second draw-in groove in second surface, first draw-in groove and the second draw-in groove are parallel to each other, first riser near the end winding support of second surface in the first draw-in groove, second riser near the end winding support of second surface in the second draw-in groove, first riser and the second riser are parallel to each other and form a position-limited trough between the two.
In the utility model preferred embodiment, above-mentioned first riser is also connected with cover plate by the first fastener in the first draw-in groove, and the second riser is also connected with cover plate by the second fastener in the second draw-in groove.
In the utility model preferred embodiment, above-mentioned first end is provided with the first fixed orifice, and the first riser is provided with the first connecting bore in being fixed on the end in the first draw-in groove, and the first fastener is through the first fixed orifice and the first connecting bore; The second end is provided with the second fixed orifice, and the second riser is provided with the second connecting bore in being fixed on the end in the second draw-in groove, and the second fastener is through the second fixed orifice and the second connecting bore.
In the utility model preferred embodiment, above-mentioned first riser is provided with the first perforation for wearing for the first end of caterpillar wheel, and the second riser is provided with the second perforation for wearing for the second end of caterpillar wheel.
A kind of track frame, the multiple caterpillar wheels comprising track frame base plate and install on track frame base plate, track frame base plate comprises the first base plate and second base plate relative with the first base plate that extend along its length, multiple caterpillar wheel is arranged between the first base plate and the second base plate, track frame also comprises above-mentioned rail clamping device, the first end of cover plate is fixedly connected with the first base plate, the second end of cover plate is fixedly connected with the second base plate, first riser and the second riser extend along the length direction of track frame base plate, one of them caterpillar wheel is housed in the through hole of cover plate.
In the utility model preferred embodiment, above-mentioned track frame base plate has a fixed surface, and the first surface of cover plate and the fixed surface of track frame base plate are welded and fixed.
In the utility model preferred embodiment, the two ends of above-mentioned each caterpillar wheel are separately fixed in the first base plate and the second base plate by the first mount pad and the second mount pad.
A kind of rotary drilling rig, comprises above-mentioned track frame.
The beneficial effects of the utility model are, rail clamping device for track frame comprises cover plate, first riser and the second riser, cover plate has first end, the second end relative with first end and be connected to the first connecting portion between first end and the second end and relative and the second connecting portion, the middle part of cover plate is provided with one for accommodating the through hole of caterpillar wheel, cover plate has first surface and the second surface relative with first surface, first surface is for being fixed on track frame base plate, first end is provided with the first draw-in groove in second surface, the second end is provided with the second draw-in groove in second surface, first draw-in groove and the second draw-in groove are parallel to each other, first riser near the end winding support of second surface in the first draw-in groove, second riser near the end winding support of second surface in the second draw-in groove, first riser and the second riser are parallel to each other and form a position-limited trough between the two, cover plate and the first riser, second riser split assembling, for convenience detach and install and daily attention.When rotary drilling rig uses, when the first riser and the second riser are subject to the impulsive force from crawler belt, impulsive force is born perpendicular to two sides perpendicular to cover plate contacted with the second riser in two sides and second draw-in groove of cover plate primarily of what contact with the first riser in the first draw-in groove, less on the impact of fastener as bolt etc. being used for fixing the first riser and the second riser further, therefore, rail clamping device for track frame has the ability of bearing larger load, and overall performance is compared prior art and obtained and effectively promote.
For making advantage of the present utility model clearly, below in conjunction with accompanying drawing, the utility model embodiment is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the track frame of existing a kind of crawler type rotary drilling rig.
Fig. 2 a is the structural representation that existing a kind of rail clamping device is arranged on track frame base plate.
Fig. 2 b is the structural representation at another visual angle of Fig. 2 a.
Fig. 3 a is the front view of existing a kind of rail clamping device.
Fig. 3 b is the left view of Fig. 3 a.
Fig. 3 c is the birds-eye view of Fig. 3 a.
Fig. 4 a is the structural representation that the rail clamping device of the utility model preferred embodiment is arranged on track frame base plate.
Fig. 4 b is the structural representation at another visual angle of Fig. 4 a.
Fig. 5 is the perspective view of the rail clamping device of the utility model preferred embodiment.
Fig. 6 a is the front view of the rail clamping device shown in Fig. 5.
Fig. 6 b is the left view of the rail clamping device shown in Fig. 5.
Fig. 6 c is the birds-eye view of the rail clamping device shown in Fig. 5.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of the rail clamping device for track frame, track frame and the rotary drilling rig that the utility model proposes, structure, feature and effect thereof, be described in detail as follows.
Relevant aforementioned and other technology contents, Characteristic of the present utility model, can know and present in the detailed description of the preferred embodiment of following cooperation reference diagram.By the explanation of detailed description of the invention, when can to the utility model for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but institute's accompanying drawing is only to provide with reference to the use with explanation, is not used for being limited the utility model.
Fig. 4 a and Fig. 4 b is the structural representation that the rail clamping device of the utility model preferred embodiment is arranged on track frame base plate, refer to Fig. 4 a and Fig. 4 b, rail clamping device 100 is suitable on track frame, multiple caterpillar wheels 140 that track frame comprises track frame base plate 160 and is arranged on track frame base plate 160, caterpillar wheel 140 is for supporting the weight of tracked construction equipment as rotary drilling rig.Particularly, track frame base plate 160 comprises the first base plate 160a and the second base plate 160b relative with the first base plate 160a that extend along its length, multiple caterpillar wheel 140 is arranged between the first base plate 160a and the second base plate 160b, particularly, be provided with spaced multiple assembly opening 160c between first base plate 160a of track frame base plate 160 and the second base plate 160b, each assembly opening 160c correspondence arranges a caterpillar wheel 140.Caterpillar wheel 140 has wheel shaft (not shown), wheel shaft two ends connect the first mount pad 150a respectively and the second mount pad 150b, caterpillar wheel 140 is separately fixed on the first base plate 160a second base plate 160b of track frame base plate 160 by the first mount pad 150a and the second mount pad 150b, and caterpillar wheel 140 is positioned at assembly opening 160c.
Track frame also comprises the rail clamping device 100 being arranged on track frame base plate 160, and in the present embodiment, each rail clamping device 100 is arranged around a caterpillar wheel 140, but not as limit, in other embodiment, rail clamping device 100 also can be arranged around multiple caterpillar wheel 140, in this no limit.Further, the quantity of rail clamping device 100 can be arranged according to actual needs with the particular location being positioned at track frame base plate 160.
Fig. 5 is the perspective view of the rail clamping device of the utility model preferred embodiment, Fig. 6 a is the front view of the rail clamping device shown in Fig. 5, Fig. 6 b is the left view of the rail clamping device shown in Fig. 5, Fig. 6 c is the birds-eye view of the rail clamping device shown in Fig. 5, refer to Fig. 5, Fig. 6 a to Fig. 6 c, rail clamping device 100 comprises cover plate 101, first riser 121 and the second riser 122.Cover plate 101 has the first end 101a the second end 101b relative with first end 101a and is connected to the first connecting portion 101c between first end 101a and the second end 101b and relative and the second connecting portion 101d, the middle part of cover plate 101 is provided with one for accommodating the through hole 111 of caterpillar wheel 140, joined end to end by first end 101a, the first connecting portion 101c, the second end 101b and the second connecting portion 101d and spacingly form through hole 111, one of them caterpillar wheel 140 is housed in the through hole 111 of cover plate 101.Cover plate 101 has first surface 101e and the second surface 101f relative with first surface 101e, first surface 101e is used for being fixed on track frame base plate 160, track frame base plate 160 has a fixed surface 160d, in the present embodiment, the first surface 101e of the cover plate 101 and fixed surface 160d of track frame base plate 160 is welded and fixed, but not as limit.Particularly, the first end 101a of cover plate 101 is fixedly connected with the first base plate 160a, and the second end 101b of cover plate 101 is fixedly connected with the second base plate 160b.
The first end 101a of cover plate 101 is parallel to the length direction of track frame base plate 160 in the length direction that second surface 101f is provided with the first draw-in groove 113, first draw-in groove 113.First riser 121 is near the end winding support of second surface 101f in the first draw-in groove 113, and the first riser 121 to extend and the first riser 121 is vertical with cover plate 101 arranges along the length direction of track frame base plate 160.In the present embodiment, first riser 121 is provided with the first perforation 121a for wearing for the first end (near one end of the first base plate 160a) of caterpillar wheel 140, and the first end 101a of the first riser 121 and cover plate 101 is around the first end of caterpillar wheel 140 and the first mount pad 150a.In order to further the first riser 121 be fixed, first riser 121 can not be come off in the first draw-in groove 113, first riser 121 is also connected with cover plate 101 by the first fastener 112a in the first draw-in groove 113, particularly, first end 101a is provided with the first fixed orifice (not shown) of the length direction perpendicular to track frame base plate 160, simultaneously, first riser 121 is provided with the first connecting bore (not shown) in being fixed on the end in the first draw-in groove 113, first fastener 112a is through the first fixed orifice and the first connecting bore, first fastener 112a is such as bolt, by the first fastener 112a, the first riser 121 is fixed on further the first end 101a of cover plate 101.In the present embodiment, first fixed orifice quantity is two, one of them extends in the first connecting portion 101c through first end 101a near one end of the first connecting portion 101c, and another extends in the second connecting portion 101d near one end of the second connecting portion 101d through first end 101a.
The second end 101b of cover plate 101 is parallel to the length direction of track frame base plate 160 in the length direction that second surface 101f is provided with the second draw-in groove 114, second draw-in groove 114, and namely the first draw-in groove 113 and the second draw-in groove 114 are parallel to each other.Second riser 122 near the end winding support of second surface 101f in the second draw-in groove 114, second riser 122 to extend and the second riser 122 is vertical with cover plate 101 arranges along the length direction of track frame base plate 160, first riser 121 and the second riser 122 are parallel to each other and form a position-limited trough 123 between the two, the chain rail of crawler belt is mobile in position-limited trough 123, first riser 121 and the second riser 122 prevent the chain rail of crawler belt horizontal looseness in the track that caterpillar wheel 140 is formed, and make chain rail can not skid off track and occur derailment occurring.In the present embodiment, second riser 122 is provided with the second perforation 122a for wearing for second end (near one end of the second base plate 160b) of caterpillar wheel 140, and the second end 101b of the second riser 122 and cover plate 101 is around the second end of caterpillar wheel 140 and the second mount pad 150b.Be appreciated that, in order to further the second riser 122 be fixed, second riser 122 can not be come off in the second draw-in groove 114, second riser 122 is also connected with cover plate 101 by the second fastener 112b in the second draw-in groove 114, particularly, the second end 101b is provided with the second fixed orifice (not shown) of the length direction perpendicular to track frame base plate 160, simultaneously, second riser 122 is provided with the second connecting bore (not shown) in being fixed on the end in the second draw-in groove 114, second fastener 112b is through the second fixed orifice and the second connecting bore, second fastener 112b is such as bolt, by the second fastener 112a, the second riser 122 is fixed on further the second end 101b of cover plate 101.In the present embodiment, second fixed orifice quantity is two, one of them extends in the first connecting portion 101c through the second end 101b near one end of the first connecting portion 101c, and another extends in the second connecting portion 101d near one end of the second connecting portion 101d through the second end 101b.
The utility model also provides a kind of rotary drilling rig, comprises above-mentioned track frame, and other features of this rotary drilling rig see prior art, can not repeat them here.
At the beneficial effect of utility model be, the structure of the rail clamping device 100 of track frame is simple, when rail clamping device 100 is installed, first cover plate 101 is welded to the fixed surface 160d of track frame base plate 160, again the first riser 121 to be stuck in the first draw-in groove 113 and to fix with first firm, the second riser 122 is stuck in the second draw-in groove 114 and also fixes with second firm further further, cover plate 101 and the first riser 121, second riser 122 split assembling, for convenience detach and install and daily attention.When rotary drilling rig uses, when the first riser 121 and the second riser 122 are subject to the impulsive force from crawler belt, impulsive force is born perpendicular to two sides perpendicular to cover plate 101 contacted with the second riser 122 in two sides and second draw-in groove 114 of cover plate 101 primarily of what contact with the first riser 121 in the first draw-in groove 113, on fixing, the first riser 121 and the second riser 122 firm the impact as bolt etc. is less, therefore, rail clamping device 100 has the ability of bearing larger load, and overall performance is compared prior art and obtained and effectively promote.
In the utility model preferred embodiment, cover plate 101 arranges the first draw-in groove 113 and the second draw-in groove 114 installs the first riser 121 and the second riser 122, cover plate 101 is fixedly connected with by bolt further with the first riser 121, second riser 122, but not as limit, in other embodiment, any method cover plate 101 being connected by build-up type with the first riser 121, second riser 122, such as, by key connection, the connection of difform draw-in groove, chain connection, rivet interlacement etc.
The above, it is only embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of described announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. the rail clamping device for track frame (100), described track frame comprises track frame base plate (160) and is arranged on the multiple caterpillar wheels (140) on described track frame base plate (160), it is characterized in that, described rail clamping device (100) comprises cover plate (101), first riser (121) and the second riser (122), described cover plate (101) has first end (101a), the second end (101b) relative with described first end (101a) and be connected to the first connecting portion (101c) between described first end (101a) and described the second end (101b) and relative and the second connecting portion (101d), the middle part of described cover plate (101) is provided with one for accommodating the through hole (111) of described caterpillar wheel (140), described cover plate (101) has first surface (101e) and the second surface (101f) relative with described first surface (101e), described first surface (101e) is for being fixed on described track frame base plate (160), described first end (101a) is provided with the first draw-in groove (113) in described second surface (101f), described the second end (101b) is provided with the second draw-in groove (114) in described second surface (101f), described first draw-in groove (113) and described second draw-in groove (114) are parallel to each other, the end winding support of the close described second surface (101f) of described first riser (121) is in described first draw-in groove (113), the end winding support of the close described second surface (101f) of described second riser (122) is in described second draw-in groove (114), described first riser (121) and described second riser (122) are parallel to each other and form a position-limited trough (123) between the two.
2. as claimed in claim 1 for the rail clamping device (100) of track frame, it is characterized in that, described first riser (121) is also connected with described cover plate (101) by the first fastener (112a) in described first draw-in groove (113), and described second riser (122) is also connected with described cover plate (101) by the second fastener (112b) in described second draw-in groove (114).
3. as claimed in claim 2 for the rail clamping device (100) of track frame, it is characterized in that, described first end (101a) is provided with the first fixed orifice, described first riser (121) is provided with the first connecting bore in being fixed on the end in described first draw-in groove (113), and described first fastener (112a) is through described first fixed orifice and described first connecting bore; Described the second end (101b) is provided with the second fixed orifice, described second riser (122) is provided with the second connecting bore in being fixed on the end in described second draw-in groove (114), and described second fastener (112b) is through described second fixed orifice and described second connecting bore.
4. as claimed in claim 1 for the rail clamping device (100) of track frame, it is characterized in that, described first riser (121) is provided with the first perforation (121a) for wearing for the first end of described caterpillar wheel (140), and described second riser (122) is provided with the second perforation (122a) for wearing for the second end of described caterpillar wheel (140).
5. a track frame, the multiple caterpillar wheels (140) comprising track frame base plate (160) and install on described track frame base plate (160), described track frame base plate (160) comprises the first base plate (160a) and second base plate (160b) relative with described first base plate (160a) that extend along its length, described multiple caterpillar wheel (140) is arranged between described first base plate (160a) and described second base plate (160b), it is characterized in that, described track frame also comprises the rail clamping device (100) according to any one of Claims 1-4, the first end (101a) of described cover plate (101) is fixedly connected with described first base plate (160a), the second end (101b) of described cover plate (101) is fixedly connected with described second base plate (160b), described first riser (121) and described second riser (122) extend along the length direction of described track frame base plate (160), caterpillar wheel described in one of them (140) is housed in the through hole (111) of described cover plate (101).
6. track frame as claimed in claim 5, it is characterized in that, described track frame base plate (160) has a fixed surface (160d), and the first surface (101e) of described cover plate (101) and the fixed surface (160d) of described track frame base plate (160) are welded and fixed.
7. track frame as claimed in claim 5, it is characterized in that, the two ends of each caterpillar wheel (140) are separately fixed in described first base plate (160a) and described second base plate (160b) by the first mount pad (150a) and the second mount pad (150b).
8. a rotary drilling rig, is characterized in that, comprises the track frame as described in any one of claim 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520686957.6U CN204978926U (en) | 2015-09-07 | 2015-09-07 | A clamping rail device, track frame reach and dig rig soon for track frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520686957.6U CN204978926U (en) | 2015-09-07 | 2015-09-07 | A clamping rail device, track frame reach and dig rig soon for track frame |
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| Publication Number | Publication Date |
|---|---|
| CN204978926U true CN204978926U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520686957.6U Active CN204978926U (en) | 2015-09-07 | 2015-09-07 | A clamping rail device, track frame reach and dig rig soon for track frame |
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| CN (1) | CN204978926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059409A (en) * | 2015-09-07 | 2015-11-18 | 上海中联重科桩工机械有限公司 | Rail clamping device for truck frame, truck frame and rotary drilling rig |
-
2015
- 2015-09-07 CN CN201520686957.6U patent/CN204978926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059409A (en) * | 2015-09-07 | 2015-11-18 | 上海中联重科桩工机械有限公司 | Rail clamping device for truck frame, truck frame and rotary drilling rig |
| CN105059409B (en) * | 2015-09-07 | 2017-09-01 | 上海中联重科桩工机械有限公司 | Rail clamping device, track frame and rotary drilling rig for track frame |
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