CN203529629U - Winding device - Google Patents
Winding device Download PDFInfo
- Publication number
- CN203529629U CN203529629U CN201320708884.7U CN201320708884U CN203529629U CN 203529629 U CN203529629 U CN 203529629U CN 201320708884 U CN201320708884 U CN 201320708884U CN 203529629 U CN203529629 U CN 203529629U
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- Prior art keywords
- reel
- cable
- pipe
- flexible pipe
- drag
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004804 winding Methods 0.000 title abstract description 9
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 31
- 238000010586 diagram Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The utility model provides a winding device. The winding device comprises a support frame (10), a winding drum (20) which is rotationally arranged on the support frame (10) and is provided with an avoidance gap (21), two side plates (30) which are connected to the winding drum (20) and are arranged oppositely, a first hose (41) and a cable (42) which pass through the avoidance gap (21) and are wound on the winding drum (20), and a protective device, wherein the protective device (50) comprises an inhaul cable (51) and a pipe clamp (52); the inhaul cable (51) extends in parallel with the first hose (41) and the cable (42), and passes through the inside of the winding drum (20) via the avoidance gap (21); the first hose (41) and the cable (42) are fixedly arranged on the inhaul cable (51) through the pipe clamp (52); one end of the inhaul cable (51) is arranged in the winding drum (20). Due to the adoption of the technical scheme, the problem that an oil pipe or the cable tends to be damaged easily in a tensioned state in the prior art is solved.
Description
Technical field
The utility model relates to technical field of engineering machinery, in particular to a kind of wind2.
Background technology
In construction machinery and equipment, the distance of the equipment of some machine and main frame apart from each other, element in equipment needs hydraulic oil to drive (as HM Hydraulic Motor, hydraulic ram), and various components and parts or the components and parts in equipment that engine control system is controlled in equipment by electric signal need to be sent to engine control system the data that detect.Therefore, need to be between main frame and equipment connected pipes and cable, the extreme length of oil pipe and cable is relevant with equipment maximum distance apart with main frame.
Because the distance of equipment and main frame is occurring to change constantly, in order to make oil pipe, cable not in disorder, conventional way is between main frame and equipment, to increase oil pipe (cable) wind2 at present, forms equipment---oil pipe or cable---oil pipe (cable) wind2---oil pipe or cable---structure of main frame.Reel in oil pipe (cable) wind2 is done gyroscopic movement, to discharge or to regain oil pipe or cable.
Existing oil pipe wind2 mainly comprises support 10 ', side plate 30 ', oil pipe swivel coupling 62 ', pivoting support 11 ', reel 20 ', steel pipe 621 ', transition oil pipe 622 ' and transition block 623 '.Wherein, reel 20 ' is connected with the inner ring of pivoting support 11 ', and it is upper that the outer ring of pivoting support 11 ' is fixed on support 10 ', and reel 20 ' can be made gyroscopic movement.The housing of oil pipe swivel coupling 62 ' is fixed on support 10 ' above, and the spindle nose of oil pipe swivel coupling 62 ' is connected with reel 20 ', and spindle nose can be with reel 20 ' synchronous revolving.The end of oil pipe 41 ' is connected with the hydraulic fluid port of transition block 623 '.
There is following defect in said structure:
The driving pulling force that reel 20 ' produces is directly born by oil pipe 41 ' or cable, and oil pipe 41 ' or cable are in tensioned state, and oil pipe 41 ' or cable easily damage.
Utility model content
The utility model aims to provide a kind of wind2, to solve in prior art oil pipe or cable in the damageable problem of tensioned state.
To achieve these goals, the utility model provides a kind of wind2, comprising: bracing frame; Reel, is installed in rotation on bracing frame, and reel has the breach of dodging; Two side plates, are connected on reel, and two side plates are oppositely arranged; The first flexible pipe and cable, pass and reel and be arranged on reel from dodging breach; Fender guard, fender guard comprises: drag-line and pipe clamp, wherein, and drag-line and the first flexible pipe and cable extend side by side and pass from reel inside by dodging breach, the first flexible pipe and cable are fixedly installed on drag-line by pipe clamp, and one end of drag-line is arranged in reel.
Further, fender guard also comprises: a plurality of spacing blocks, be set on drag-line, and the thickness of spacing block is greater than the diameter of the first flexible pipe and cable.
Further, spacing block comprises first surface and the second surface being oppositely arranged, and one of them of first surface and second surface is provided with projection, second surface and first surface wherein another is provided with the groove with convex shape adaptation.
Further, reel has along its axial first end and the second end, and the first end of reel and the second end support and be arranged on bracing frame.
Further, wind2 comprises parallel the first flexible pipe and the cable arranging, the first end of reel is connected with adapter shaft, wind2 also comprises cable slip ring and oil pipe swivel coupling, one end of cable slip ring is fixedly installed, the other end is with the coaxial connection of adapter shaft and synchronize and rotate with reel, cable penetrates to reel by cable slip ring, oil pipe swivel coupling comprises spindle nose and cylindrical shell, spindle nose is fixedly installed, cylindrical shell is with the coaxial connection of reel and synchronize and rotate with reel, and the first flexible pipe penetrates to reel by oil pipe swivel coupling.
Further, second flexible pipe that also comprises of the present utility model, arranges with the first flexible pipe is parallel, and cable is located in the second flexible pipe.
Further, drag-line is parallel two of arranging, and the first flexible pipe and cable are arranged between two drag-lines.
Further, pipe clamp comprises the first pipe clamp body, the second pipe clamp body and two the 3rd pipe clamp bodies, and the first pipe clamp body is connected to fix the first flexible pipe and cable with the second pipe clamp body, and two the 3rd pipe clamp bodies are connected to fix two drag-lines with the first pipe clamp body.
Further, fender guard also comprises adjusting rigging, and one end of each drag-line is respectively by regulating rigging telescopically to be arranged in reel.
Further, each side plate includes at least two plate bodys, between at least two plate bodys, interconnects.
Further, reducing motor and the pulling force sensor of also comprising of the present utility model, reducing motor drives and is connected with reel, and pulling force sensor is connected on reducing motor.
Application the technical solution of the utility model; owing to being provided with fender guard; fender guard comprises: drag-line and pipe clamp; the first flexible pipe and cable are attached on drag-line by pipe clamp; like this, can make the first flexible pipe and cable in relaxed state, drag-line is tightened; driving pulling force from reel is born by drag-line, and the first flexible pipe and cable do not bear driving pulling force.And then, effectively solved oil pipe or cable in the damageable problem of tensioned state.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the wind2 of prior art;
Fig. 2 shows according to the perspective view of the embodiment of wind2 of the present utility model;
Fig. 3 shows the vertical profile schematic diagram of the wind2 of Fig. 2;
Fig. 4 shows the schematic side view of the wind2 of Fig. 2;
Fig. 5 shows fender guard and the first flexible pipe and the cable mated condition schematic diagram of the wind2 of Fig. 2;
Fig. 6 shows the cross-sectional schematic of fender guard and the first flexible pipe and the cable of Fig. 5;
Fig. 7 shows pipe clamp and the first flexible pipe and the cable mated condition schematic diagram of the fender guard of Fig. 5;
Fig. 8 shows the cross-sectional schematic of pipe clamp, the first flexible pipe and the cable of the fender guard of Fig. 7;
Fig. 9 shows the structural representation of pipe clamp of the fender guard of Fig. 7;
Figure 10 shows adjacent two-layer first flexible pipe of wind2 of Fig. 2 and the mated condition schematic diagram of cable;
Figure 11 shows the structural representation of side plate of the wind2 of Fig. 2;
Figure 12 shows the perspective view of reel of the wind2 of Fig. 2;
Figure 13 shows the inner structure schematic diagram of the reel of Figure 12;
Figure 14 shows the adjusting lockset of wind2 and the mated condition schematic diagram of reel of Fig. 2; And
Figure 15 shows the perspective view of the adjusting lockset of Figure 14.
Above-mentioned accompanying drawing comprises the following drawings mark:
10, bracing frame; 11, bearing; 12, bearing seat; 13, pivoting support; 14, erection column; 20, reel; 21, dodge breach; 22, adapter shaft; 30, side plate; 41, the first flexible pipe; 42, cable; 43, the second flexible pipe; 50, fender guard; 51, drag-line; 52, pipe clamp; 521, the first pipe clamp body; 522, the second pipe clamp body; 523, the 3rd pipe clamp body; 524, bolt; 53, spacing block; 61, cable slip ring; 62, oil pipe swivel coupling; 621, spindle nose; 622, cylindrical shell; 70, regulate rigging; 80, reducing motor; 90, pulling force sensor.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Fig. 2, Fig. 5 and Figure 12, the wind2 of the present embodiment comprises: bracing frame 10, reel 20, two side plates 30, the first flexible pipe 41, cable 42 and fender guards.Wherein, reel 20 is installed in rotation on bracing frame 10, and reel 20 has the breach of dodging 21, is formed on the cylinder of reel 20, and the first flexible pipe 41, cable 42 can be dodged breach 21 by this.Two side plates 30 are connected on reel 20, and two side plates 30 are oppositely arranged.The first flexible pipe 41 and cable 42 pass and reel from reel 20 inside and be arranged on reel 20 by dodging breach 21, and preferably, the first flexible pipe 41 can be oil pipe.Fender guard 50 comprises: drag-line 51 and pipe clamp 52, and with the first flexible pipe 41 with cable 42 extend side by side and pass from dodging breach 21, the first flexible pipe 41 and cable 42 are fixedly installed on drag-line 51 by pipe clamp 52, and one end of drag-line 51 is arranged in reel 20.In the present embodiment, drag-line 51 is parallel two of arranging, and the first flexible pipe 41 and cable 42 are arranged between two drag-lines 51.
The technical scheme of application the present embodiment; owing to being provided with fender guard; fender guard 50 comprises: drag-line 51 and pipe clamp 52; the first flexible pipe 41 and cable 42 are attached on drag-line 51 by pipe clamp 52; like this, can make the first flexible pipe 41 and cable 42 in relaxed state, drag-line 51 is tightened; driving pulling force from reel 20 is born by drag-line 51, and the first flexible pipe 41 and cable 42 do not bear driving pulling force.And then, effectively solved oil pipe or cable in the damageable problem of tensioned state.
Drag-line 51 is preferably used steel rope.The quantity of drag-line 51 is not limited to two, if can play replace the first flexible pipe 41 and cable 42 stressed, also can be for more than one or three.As shown in Figure 2, increased the distance between two side plates 30, many first flexible pipes 41 and cable 42 make can reel in the present embodiment simultaneously.In other not shown embodiments, wind2 also can only reel first flexible pipe 41 or the cable 42 of only reeling.
In the prior art, as shown in Figure 1, due to oil pipe 41 ' unprotect, easily fracture, the outer wall of oil pipe 41 ' is easy to wear, and bottom oil pipe pressurized is serious.
And in this application, as shown in Fig. 5, Fig. 6 and Figure 15, fender guard 50 also comprises: a plurality of spacing blocks 53, be set on drag-line 51, the thickness of spacing block 53 is greater than the diameter of the first flexible pipe 41 and cable 42.Said structure makes the first flexible pipe 41(or the cable 42 of adjacent layer) between mutually do not contact, like this, be positioned at the first flexible pipe 41(or the cable 42 of lower floor) can not be subject to the first flexible pipe 41(or the cable 42 on upper strata) pressure, and the first flexible pipe 41(or the cable 42 of adjacent layer) between without friction, and then longer service life.As shown in Figure 2, between two adjacent pipe clamps 52, be provided with a plurality of spacing blocks 53.
As shown in Fig. 6 and Figure 10, spacing block 53 comprises first surface and the second surface being oppositely arranged, and second surface is provided with projection, and first surface is provided with the groove with convex shape adaptation.Said structure makes the spacing block 53 of adjacent layer can be mutually spacing.In unshowned in the drawings embodiment, also can projection be set on first surface, groove is set on second surface, basic identical with principle of work and the effect of above-described embodiment.
In the prior art, as shown in Figure 1, reel 20 ' is cantilever position, monolateral stressed, and pivoting support 11 ' bears moment of flexure, easily damages.In the present embodiment, reel 20 has along its axial first end and the second end, and the first end of reel 20 and the second end are all supported, and the first end of reel 20 and the second end support and be arranged on bracing frame 10.As shown in Figures 2 and 3, the first end of reel 20 is connected with adapter shaft 22, and the first end of reel 20 is arranged on bearing 11 by adapter shaft 22, and bearing 11 is arranged on bearing seat 12.The second end of reel 20 is connected with the outer ring of pivoting support 13, and the inner ring of pivoting support 13 is fixed on bracing frame 10.The gear engagement of the gear on the outer ring of pivoting support 13 and reducing motor 80.Like this, pivoting support 13 does not bear moment of flexure, longer service life.In the present embodiment, bearing seat 12 and bracing frame 10 are structure as a whole.Certainly, bearing seat 12 and bracing frame 10 can be also Split type structure.The revolution of external toothing formula in above-mentioned embodiment is supported, and also available interior engagement type revolution is supported and replaced, or changes by bearing and realize identical function with gear ring combination.
In the present embodiment, as shown in Figures 2 and 3, wind2 also comprises cable slip ring 61 and oil pipe swivel coupling 62, one end of cable slip ring 61 is fixedly installed, preferably be fixed on bracing frame 10, the other end of cable slip ring 61 and the coaxial connection of adapter shaft 22 are also synchronizeed rotation with reel 20, and cable 42 penetrates to reel 20 by cable slip ring 61.As shown in Figures 2 to 4, oil pipe swivel coupling 62 comprises spindle nose 621 and cylindrical shell 622, and spindle nose 621 is fixedly installed, and is preferably fixed on bracing frame 10, cylindrical shell 622 and the coaxial connection of reel 20 are also synchronizeed rotation with reel 20, and the first flexible pipe 41 penetrates to reel 20 by oil pipe swivel coupling 62.
As shown in Figure 5, the wind2 of the present embodiment also comprises the second flexible pipe 43, and with the parallel setting of the first flexible pipe 41, cable 42 is located in the second flexible pipe 43.The second flexible pipe 43 is enclosed within that cable 42 is outer to be protected it, and cable 42 periods of service are longer.
As shown in Figures 6 to 9, pipe clamp 52 comprises the first pipe clamp body 521, the second pipe clamp body 522 and two the 3rd pipe clamp bodies 523, the first pipe clamp body 521 is connected with the second pipe clamp body 522 with accommodating the first flexible pipe 41 and 42, two the 3rd pipe clamp bodies 523 of cable and is connected to fix two drag-lines 51 with the first pipe clamp body 521.As shown in Figure 9, the middle part of the first pipe clamp body 521 has the first deep-slotted chip breaker of accommodating the first flexible pipe 41 or the second flexible pipe 43, and the outer peripheral face shape of the cell wall of deep-slotted chip breaker and the first flexible pipe 41 or the second flexible pipe 43 is adaptive.The quantity of the first deep-slotted chip breaker equates with the quantity of the first flexible pipe 41 and the second flexible pipe 43.Accordingly, be provided with second deep-slotted chip breaker corresponding with the first deep-slotted chip breaker position on the second pipe clamp body 522, the second deep-slotted chip breaker is preferably identical with the structure of the first deep-slotted chip breaker.The two ends of the first pipe clamp body 521 have the 3rd deep-slotted chip breaker of accommodating drag-line 51, and the outer peripheral face shape of the 3rd deep-slotted chip breaker and drag-line 51 is adaptive.The quantity of the 3rd deep-slotted chip breaker equates with the quantity of drag-line 51.Accordingly, on the 3rd pipe clamp body 523, be provided with four deep-slotted chip breaker corresponding with the 3rd deep-slotted chip breaker position.Bolt 524 is all preferably used in connection between connection between the first pipe clamp body 521 and the second pipe clamp body 522 and the first pipe clamp body 521 and the 3rd pipe clamp body 523.Above-mentioned pipe clamp 52 can make the first flexible pipe 41 and cable 42 be attached on drag-line 51.
As shown in FIG. 13 to 15, one end of each drag-line 51 is all by regulating rigging 70 telescopicallies to be arranged in reel 20.Particularly, be arranged on erection column 14 places of reel 20.As shown in figure 15, regulate rigging 70 to comprise hook, pull bar, arm-tie, pressing plate and bolt.Pressing plate is fixed on drag-line 51 on arm-tie by bolt, and pull bar is connected between hook and arm-tie, by regulating the length of arm-tie to regulate the initial tensile force of 20 pairs of drag-lines 51 of reel.
As shown in figure 11, each side plate 30 includes at least two plate bodys, between at least two plate bodys, interconnects.Between plate body, be preferably bolted, plate body is bolted on reel 20.When the whole wind2 shipping height of special road section superelevation, can carry out the operation that side plate 30 is removed, reduce shipping height.
As shown in Figure 2, wind2 also comprises pulling force sensor 90, and reducing motor 80 drives and is connected with reel 20, and pulling force sensor 90 is connected on reducing motor 80.Pulling force sensor 90 detects the driving pulling force of 20 pairs of drag-lines 51 of reel, prevents that pulling force from surpassing permissible value.The twisting support reaction that detects reducing motor 80, automatically controlled program can calculate the pulling force of 20 pairs of drag-lines 51 of reel according to the current winding number of plies, and then the pressure of CD-ROM drive motor is adjusted, and prevents that pulling force from surpassing permissible value.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a wind2, is characterized in that, comprising:
Bracing frame (10);
Reel (20), is installed in rotation on support frame as described above (10) upper, and described reel (20) has the breach of dodging (21);
Two side plates (30), are connected to described reel (20) upper, and two described side plates (30) are oppositely arranged;
The first flexible pipe (41) and cable (42), pass and reel and be arranged on described reel (20) from the described breach (21) of dodging;
Fender guard, described fender guard (50) comprising: drag-line (51) and pipe clamp (52),
Wherein, described drag-line (51) and described the first flexible pipe (41) and described cable (42) extend side by side and pass from described reel (20) inside by the described breach (21) of dodging, it is upper that described the first flexible pipe (41) and described cable (42) are fixedly installed on described drag-line (51) by described pipe clamp (52), and one end of described drag-line (51) is arranged in described reel (20).
2. wind2 according to claim 1, is characterized in that, fender guard (50) also comprises:
A plurality of spacing blocks (53), are set in described drag-line (51) upper, and the thickness of described spacing block (53) is greater than the diameter of described the first flexible pipe (41) and cable (42).
3. wind2 according to claim 2, it is characterized in that, described spacing block (53) comprises first surface and the second surface being oppositely arranged, one of them of described first surface and second surface is provided with projection, described second surface and first surface wherein another is provided with the groove with described convex shape adaptation.
4. wind2 according to claim 1, is characterized in that, described reel (20) has along its axial first end and the second end, and the described first end of described reel (20) and described the second end support and be arranged on support frame as described above (10).
5. wind2 according to claim 4, it is characterized in that, described wind2 comprises parallel described the first flexible pipe (41) and the described cable (42) arranging, the first end of described reel (20) is connected with adapter shaft (22), described wind2 also comprises cable slip ring (61) and oil pipe swivel coupling (62), one end of described cable slip ring (61) is fixedly installed, the other end coaxially connects with described adapter shaft (22) and synchronizes rotation with described reel (20), described cable (42) penetrates to described reel (20) by described cable slip ring (61), described oil pipe swivel coupling (62) comprises spindle nose (621) and cylindrical shell (622), described spindle nose (621) is fixedly installed, described cylindrical shell (622) coaxially connects with described reel (20) and synchronizes rotation with described reel (20), described the first flexible pipe (41) penetrates to described reel (20) by described oil pipe swivel coupling (62).
6. wind2 according to claim 4, is characterized in that, also comprises the second flexible pipe (43), arranges with described the first flexible pipe (41) is parallel, and described cable (42) is located in described the second flexible pipe (43).
7. wind2 according to claim 1, is characterized in that, described drag-line (51) is parallel two of arranging, and described the first flexible pipe (41) and described cable (42) are arranged between two described drag-lines (51).
8. wind2 according to claim 1, it is characterized in that, described pipe clamp (52) comprises the first pipe clamp body (521), the second pipe clamp body (522) and two the 3rd pipe clamp bodies (523), described the first pipe clamp body (521) is connected to fix described the first flexible pipe (41) and described cable (42) with described the second pipe clamp body (522), and two described the 3rd pipe clamp bodies (523) are connected to fix two described drag-lines (51) with described the first pipe clamp body (521).
9. wind2 according to claim 1, is characterized in that, described fender guard also comprises adjusting rigging (70), and one end of drag-line described in each (51) is arranged in described reel (20) by described adjusting rigging (70) telescopically respectively.
10. wind2 according to claim 1, is characterized in that, side plate described in each (30) includes at least two plate bodys, between described at least two plate bodys, interconnects.
11. wind2s according to claim 1, it is characterized in that, also comprise reducing motor (80) and pulling force sensor (90), described reducing motor (80) drives and is connected with described reel (20), and described pulling force sensor (90) is connected on described reducing motor (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708884.7U CN203529629U (en) | 2013-11-11 | 2013-11-11 | Winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708884.7U CN203529629U (en) | 2013-11-11 | 2013-11-11 | Winding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203529629U true CN203529629U (en) | 2014-04-09 |
Family
ID=50415865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708884.7U Expired - Lifetime CN203529629U (en) | 2013-11-11 | 2013-11-11 | Winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203529629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867600A (en) * | 2017-10-26 | 2018-04-03 | 徐工集团工程机械有限公司 | A kind of coiler device for more flexible pipe lines |
| CN108840179A (en) * | 2018-05-11 | 2018-11-20 | 中国煤炭科工集团太原研究院有限公司 | A kind of video frequency remote-control cable and sebific duct synchronous mode folding and unfolding cable roller |
-
2013
- 2013-11-11 CN CN201320708884.7U patent/CN203529629U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867600A (en) * | 2017-10-26 | 2018-04-03 | 徐工集团工程机械有限公司 | A kind of coiler device for more flexible pipe lines |
| CN108840179A (en) * | 2018-05-11 | 2018-11-20 | 中国煤炭科工集团太原研究院有限公司 | A kind of video frequency remote-control cable and sebific duct synchronous mode folding and unfolding cable roller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |