CN204297978U - One has surpassed toe-out and has strained at plate rack and crane - Google Patents
One has surpassed toe-out and has strained at plate rack and crane Download PDFInfo
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- CN204297978U CN204297978U CN201420336265.4U CN201420336265U CN204297978U CN 204297978 U CN204297978 U CN 204297978U CN 201420336265 U CN201420336265 U CN 201420336265U CN 204297978 U CN204297978 U CN 204297978U
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- 239000007858 starting material Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to and a kind of surpass toe-out and strain at plate rack and crane, and it comprises rectangle plate body, and at least the long limit court direction vertical with plate body of side is bent to form bend, spaced apartly along its length on this bend is provided with connecting hole and the first pin-and-hole; Offer the lucky accommodating toe-out that surpassed in the middle part of plate body along its length and strain at plate and the degree of depth is less than and has surpassed the open slot that toe-out strains at the length of plate; The both sides of the edge of open slot are connected to limit and have surpassed the limiting plate that toe-out strains at two side positions of plate, and each limiting plate respectively offers the second pin-and-hole, on the extended line of the line segment of the center of circle between the center of circle of two second pin-and-holes of the first pin-and-hole.The utility model can either be saved transport and surpass the cost that toe-out strains at plate, also can stop to have surpassed toe-out and strain at the hidden danger that plate easily loses.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of surpassed toe-out and straining at plate rack and crane.
Background technology
Along with developing rapidly of World Economics, crane as Grand Equipments class is widely used, from domestic market, Wind Power Project, Large Scale Petrochemical Plants day by day increase, the demand of market to hoister in large tonnage increases year by year, the full Terrain Cranes of super-tonnage moves flexibly with it, transition rapid, can drop into the advantage of operation fast, is subject to the favor in market.
Super lifting device is that super-tonnage crane carries a high performance requisite vitals, and its importance is more and more obvious; Along with the continuous increase of lifting capacity, the single wire rope that before super lifting device, clamping system is used can not meet the demands, the front steel wire rope of dual-magnification technique has become the dominant form of super-tonnage, before many multiplying powers, tensioning steel wire rope also develops, and dual-magnification technique or many multiplying powers are generally realized by movable pulley device.
Shown in Fig. 1 is surpassed the working state schematic representation that toe-out strains at plate in prior art.As shown in Figure 1, the head of crane arm 6 ' strains at the super starter pulley 2 ' of plate 1 ' connection by having surpassed toe-out, super starter pulley 2 ' is connected with the first end having surpassed mast 4 ' by having surpassed front steel wire rope 3 ', the second end having surpassed mast 4 ' is connected to crane arm 6 ', and between the afterbody of crane arm 6 ' and the first end having surpassed mast 4 ', pinned connection has back balance arm-tie 5 '.This shows, between super starter pulley and crane arm, strain at plate carry out transition connection by two toe-out that surpassed.Two surpassed toe-out strain at plate how to facilitate securely place and and how to connect quickly and easily, be technical staff's good problem to study.
At present, normally strain at plate transport having surpassed toe-out separately with car, and, whipline is needed super starter pulley to be sling during installation, on the ground first by super starter pulley with surpassed toe-out and strain at plate and be connected, then by super starter pulley with surpassed toe-out and strain at plate and sling, then be connected with the connection hinge of the head of crane arm.The mode of this independent transport not only can increase cost of transportation, and easily cause surpassed toe-out strain at plate lose.In addition, surpassed toe-out and strained at plate mounting means and waste time and energy, affected operating efficiency, and need whipline, add installation cost.
Utility model content
The purpose of this utility model proposes a kind of surpass toe-out and strain at plate rack and crane, and it can either be saved to transport and surpass the cost that toe-out strains at plate, also can stop to have surpassed toe-out and strain at the hidden danger that plate easily loses.
For achieving the above object, the utility model provides following technical scheme:
A kind of surpass toe-out and strain at plate rack, it comprises rectangle plate body, and at least the long limit court direction vertical with described plate body of side is bent to form bend, spaced apartly along its length on this bend is provided with connecting hole and the first pin-and-hole; Offer the lucky accommodating described toe-out that surpassed in the middle part of described plate body along its length and strain at plate and the degree of depth is less than and has describedly surpassed the open slot that toe-out strains at the length of plate; The both sides of the edge of described open slot are connected to limit and have describedly surpassed the limiting plate that toe-out strains at two side positions of plate, limiting plate described in each respectively offers the second pin-and-hole, on the extended line of the line segment of the center of circle between the center of circle of the second pin-and-hole described in two of described first pin-and-hole.
Further, also comprise from described first pin-and-hole and described second pin-and-hole through with by described super toe-out strain at plate and be fixed on steady pin in a plane.
Further, also comprise bearing pin, describedly surpass lower end that toe-out strains at plate is erected at described open slot bottom by the described bearing pin be located in its hinge hole.
Further, the bottom of described open slot is arc-shaped.
The utility model also provides a kind of crane, it comprises crane arm, surpassed the toe-out that surpassed that toe-out strains in plate, link and the various embodiments described above strains at plate rack, wherein: in described crane arm, the head end both sides of a joint arm connect the described toe-out that surpassed respectively by described link and strain at plate rack, the described toe-out that surpassed strains at plate and is placed on the described toe-out that surpassed and strains on plate rack.
Further, also comprise super starter pulley, pulley bracket and surpassed mast, wherein: the described first end having surpassed mast is fixedly connected with described pulley bracket, simultaneously with the head pinned connection of basic arm in described crane arm; Described the second end having surpassed mast is connected with described super starter pulley by steel wire rope.
Further, describedly surpassed under toe-out strains at plate duty, described surpassed toe-out strain at the upper end of plate and described starter pulley hinged, the rotatable base pinned connection on lower end and described crane arm.
Further, describedly surpassed under toe-out strains at plate travel position, described super starter pulley is placed on described pulley bracket.
Further, described link has surpassed the connecting hole bolt that toe-out strains in plate rack be connected with described.
Further, described link is connected with described crane arm bolt.
Based on technique scheme, the utility model has the advantages that:
Due to utilize provided by the utility model surpassed toe-out strain at plate rack can to surpassed toe-out strain at plate be fixed time, first need to penetrate bearing pin having surpassed toe-out and strain in the hinge hole of one end of plate, and make the toe-out that surpassed having penetrated bearing pin strain at the end of plate down, stretch into downwards along open slot, until bearing pin abuts to the bottom of open slot and stop motion.Then, need to utilize steady pin to pass from the first pin-and-hole and the second pin-and-hole, and be fixed with clamp, now, surpass toe-out to strain at plate and be fixed in a plane, and the free degree only had straight up, thus strain at plate and be placed into by having surpassed toe-out and surpassed toe-out and strain in plate rack, only need a power of carrying upwards just can strain at having surpassed toe-out plate toe-out from super and strain in plate rack and take out, if strain at plate rack be fixed on crane arm by having surpassed toe-out, just can make to have surpassed the dismounting that toe-out strains at plate and become simple and fast, remove whipline from, save dismounting cost, and dismounting efficiency can be improved, can also stop to have surpassed toe-out and strain at the hidden danger that plate easily loses.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has surpassed the working state schematic representation that toe-out strains at plate in prior art;
Fig. 2 has surpassed the structural representation that toe-out strains at plate in prior art;
Fig. 3 has provided by the utility modelly surpassed the structural representation that toe-out strains at plate rack one embodiment;
Fig. 4 has provided by the utility modelly surpassed the connection status schematic diagram that toe-out strains at plate rack and crane arm;
Fig. 5 has surpassed the travel position schematic diagram that toe-out strains at plate in crane provided by the utility model;
Fig. 6 has surpassed the confined state schematic diagram that toe-out strains at plate in crane provided by the utility model;
Fig. 7 is the close-up schematic view of in Fig. 6 I;
Fig. 8 has surpassed another confined state schematic diagram that toe-out strains at plate in crane provided by the utility model;
Fig. 9 is the close-up schematic view of in Fig. 8 II.
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Shown in Fig. 2 is surpassed the structural representation that toe-out strains at plate in prior art.As shown in Figure 2, having surpassed toe-out, to strain at plate 1 be two pulling plate structures, and it is linked into an integrated entity by two contiguous blocks 11, between leave gap 12.The two ends of each arm-tie are arc-shaped, all offer hinge hole 13.
Shown in Fig. 3 is provided by the utility modelly surpassed the structural representation that toe-out strains at plate rack one embodiment.As shown in Figure 3, the toe-out that surpassed in the present embodiment strains at plate rack 2 and comprises rectangular plate body 21, the long limit of its at least side is bent to form bend 22 towards the direction (direction of paper) vertical with plate body 21, spaced apartly along its length on this bend 22 is provided with connecting hole 23 and the first pin-and-hole 24.The both sides of the plate body 21 in figure all have bend 22, and each bend 22 all offer connecting hole 23 and the first pin-and-hole 24.Offer open slot 25 along its length from the middle part of plate body 21 1 broadside, but the bottom of open slot 25 is also too late in another broadside of plate body 21.Mentioned herein to " middle part " be not limited to the point midway of plate body 21 broadside, as long as and between refer to two long limits.The bottom of open slot 25 in surpass toe-out and strained at the suitable arc-shaped in the two ends of plate 1, for carrying out spacing to the lower end having surpassed toe-out and strain at plate 1, namely limiting and having surpassed toe-out and strain at the downward free degree of plate 1.The width of open slot 25 just accommodatingly can surpass toe-out and strain at plate 1, and the degree of depth is less than and has surpassed the length that toe-out strains at plate 1.The both sides of the edge of open slot 25 are connected to limiting plate 26, and limiting plate 26 plays to limit and surpassed the effect that toe-out strains at two side positions of plate 1, that is, limit and surpassed the free degree that toe-out strains at the left and right both direction of plate 1.Each limiting plate 26 respectively offers on the extended line of the line segment of the center of circle between the center of circle of two second pin-and-holes 27 of the second pin-and-hole 27, first pin-and-hole 24.To strain at the long limit of plate 1 perpendicular with having surpassed toe-out for line segment between the center of circle of two the second pin-and-holes 27 in this example.
Shown in Fig. 4 is provided by the utility modelly surpassed the connection status schematic diagram that toe-out strains at plate rack and crane arm.As shown in Figure 4, in above-described embodiment, the toe-out that surpassed provided by the utility model strains at plate rack and also comprises steady pin 3, and steady pin 3 can pass from the first pin-and-hole 24 and the second pin-and-hole 27, and be fixed with clamp 4, to strain at plate 1 be fixed on having surpassed toe-out in a plane.
In the various embodiments described above, the toe-out that surpassed provided by the utility model strains at plate rack and also comprises bearing pin 5, bearing pin 5 is located in and has surpassed toe-out and strain in the hinge hole of the lower end of plate 1, and the bottom of open slot 25 is erected at as supporting construction, prevent and surpassed the landing that toe-out strains at plate 1, safe and reliable.By the bottom of arc-shaped and cooperatively interacting of bearing pin 5, can place reposefully and surpass toe-out and strain at plate 1.
Due to utilize provided by the utility model surpassed toe-out strain at plate rack 2 can to surpassed toe-out strain at plate 1 be fixed time, first, need to penetrate bearing pin 5 having surpassed toe-out and strain in the hinge hole 13 of one end of plate 1, and make the toe-out that surpassed having penetrated bearing pin 5 strain at the end of plate 1 down, stretch into downwards along open slot 25, until bearing pin 5 abuts to the bottom of open slot 25 and stop motion.Then, need to utilize steady pin 3 to pass from the first pin-and-hole 24 and the second pin-and-hole 27, and be fixed with clamp 4, now, surpass toe-out to strain at plate 1 and be fixed in a plane, and the free degree only had straight up, thus strain at plate 1 and be placed into by having surpassed toe-out and surpassed toe-out and strain in plate rack 2, only need a power of carrying upwards just can strain at having surpassed toe-out plate 1 toe-out from super and strain in plate rack 2 and take out.
As shown in Fig. 4 ~ 9, the utility model also provides a kind of crane, it comprises crane arm 6, surpassed the toe-out that surpassed that toe-out strains in plate 1, link 7 and the various embodiments described above strains at plate rack 2, wherein: in crane arm 6, the head end both sides of a joint arm connect respectively by link 7 and surpassed toe-out and strain at plate rack 2, surpassed toe-out to strain at plate 1 and be placed on and surpassed toe-out and strain on plate rack 2.In the present embodiment, surpass toe-out and strain at the head that plate rack 2 is arranged on Section of four arm in crane arm 6, but be not limited to Section of four arm in crane arm 6, strain at plate 1 be connected comparatively easily and installing space with super starter pulley 8 as long as can ensure to have surpassed toe-out.
Strain at plate rack 2 strain at having surpassed toe-out plate 1 and be placed on crane arm 1 by having surpassed toe-out, make to have surpassed the dismounting that toe-out strains at plate 1 and become simple and fast, remove whipline from, save dismounting cost, and dismounting efficiency can be improved, can also stop to have surpassed toe-out and strain at the easy hidden danger of losing of plate 1.
Also comprise super starter pulley 8, pulley bracket 9 due to crane and surpassed mast 10, wherein: the first end having surpassed mast 10 is fixedly connected with pulley bracket 9, simultaneously with the head pinned connection of basic arm 61 in crane arm 6.The second end having surpassed mast 10 is connected with super starter pulley 8 by steel wire rope 81.Surpassing under toe-out strains at plate 1 duty, surpassed toe-out strain at the upper end of plate 1 and starter pulley 8 hinged, rotatable base 61 pinned connection on lower end and crane arm 6.Surpassed under toe-out strains at plate 1 travel position, super starter pulley 6 is placed on pulley bracket 9.
In above-described embodiment, link 7 in E font, its one end with surpassed connecting hole 23 bolt that toe-out strains in plate rack 2 and be connected, the other end is connected with the installing hole bolt on crane arm 6.Installing hole on crane arm 6 is except being vertically intervally arranged, and also along transversely spaced apart, the Main Function of the installing hole of lateral separation distribution is that adjustment has surpassed toe-out and strained at the installation site of plate rack 2 on crane arm 6.
In the various embodiments described above, the assembling process that toe-out strains at plate that surpassed of crane comprises the following steps:
1) super starter pulley 6 is departed from from pulley bracket 9 with the first end having surpassed mast 10, and make to have surpassed mast 10 and be in vertical state (as shown in Figure 6): after super lifting device is mounted on crane arm 6, connect the afterbody having surpassed basic arm in back balance arm-tie 71 to crane arm 6, remove super starter pulley 6 and the steady pin between pulley bracket 9 and pulley bracket 9 and the bearing pin having surpassed mast 10 and be connected, carrying out luffing to having surpassed mast 10 afterwards, making to have surpassed mast 10 and being in vertical state.
2) by steel wire rope 81, super starter pulley 8 is upwards mentioned, make super starter pulley 8 and surpassed the hinge hole pinned connection (as shown in Figure 7) that toe-out strains at plate 1 upper end: first, start the super lift winch 72 surpassed on the second end of mast 10, steel wire rope 81 is slowly regained, super starter pulley 8 is driven slowly to rise, it is made to depart from pulley bracket 9, super starter pulley 8 can be gently pulled in the process with auxiliary ropes, that avoids generation in its rise process not want collides with, and strengthens security.By auxiliary ropes super starter pulley 8 is pulled to and surpassed toe-out and strain at above plate 1.Then, remove and surpassed toe-out and strain at bearing pin 5 in the hinge hole of plate 1 upper end, and the hinge hole having surpassed toe-out and strain at plate 1 upper end is alignd with the center line of hinge hole in super starter pulley 8.Finally, the bearing pin 5 removed is penetrated and has surpassed toe-out and to strain in the hinge hole of plate 1 upper end and super starter pulley 8 in hinge hole, complete and surpassed the attended operation that toe-out strains at plate 1 upper end.
3) as shown in Figure 8 and Figure 9, remove steady pin 3, continue through steel wire rope 81 super starter pulley 8 is upwards mentioned, make to have surpassed toe-out to strain at plate 1 toe-out from super and strain at plate rack 2 and extract, and strain at rotatable base 61 pinned connection on the lower end of plate 1 and crane arm 6 by surpass toe-out: first, dismounting steady pin 3, continue to reclaim super lift winch 72, steel wire rope 81 is driven surpassed toe-out and strain at plate 1, make it depart to have surpassed toe-out to strain at plate rack 2, as shown in Figure 8.Then, rotate basic arm head in crane arm 6 and connect pedestal 61, make it rotate to suitable position (about with horizontal thread 75 degree), strain at plate 1 by auxiliary ropes be pulled to pedestal 61 place by having surpassed toe-out.Moreover, remove and surpassed toe-out and strain at bearing pin 5 in the hinge hole of plate 1 lower end, strain at plate 1 lower end hinge hole align having surpassed toe-out with the hinge hole center line of pedestal 61.Finally, the bearing pin 5 removed is penetrated and has surpassed toe-out and strain in the hinge hole of plate 1 lower end and the hinge hole of pedestal 61, complete and surpassed the attended operation that toe-out strains at plate 1 lower end.
After using super lifting working condition, remove and surpassed the inverse process that process that toe-out strains at plate 1 is above-mentioned buck plate, repeat no more herein.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. surpassed toe-out and strained at a plate rack, it is characterized in that, comprised rectangle plate body, at least the long limit of side is bent to form bend towards the direction vertical with described plate body, spaced apartly along its length on this bend is provided with connecting hole and the first pin-and-hole; Offer the lucky accommodating described toe-out that surpassed in the middle part of described plate body along its length and strain at plate and the degree of depth is less than and has describedly surpassed the open slot that toe-out strains at the length of plate; The both sides of the edge of described open slot are connected to limit and have describedly surpassed the limiting plate that toe-out strains at two side positions of plate, limiting plate described in each respectively offers the second pin-and-hole, on the extended line of the line segment of the center of circle between the center of circle of the second pin-and-hole described in two of described first pin-and-hole.
2. surpassed toe-out as claimed in claim 1 and strained at plate rack, it is characterized in that, also comprise from described first pin-and-hole and described second pin-and-hole through with by described super toe-out strain at plate and be fixed on steady pin in a plane.
3. surpass toe-out as claimed in claim 2 and strained at plate rack, it is characterized in that, also comprise bearing pin, describedly surpass lower end that toe-out strains at plate is erected at described open slot bottom by the described bearing pin be located in its hinge hole.
4. surpassed toe-out as claimed in claim 3 and strained at plate rack, it is characterized in that, the bottom of described open slot is arc-shaped.
5. a crane, it is characterized in that, comprise crane arm, surpassed toe-out and strain at plate, link and according to any one of claim 1-4, surpassed toe-out and strain at plate rack, wherein: in described crane arm, the head end both sides of a joint arm connect the described toe-out that surpassed respectively by described link and strain at plate rack, the described toe-out that surpassed strains at plate and is placed on the described toe-out that surpassed and strains on plate rack.
6. crane as claimed in claim 5, it is characterized in that, also comprise super starter pulley, pulley bracket and surpassed mast, wherein: the described first end having surpassed mast is fixedly connected with described pulley bracket, simultaneously with the head pinned connection of basic arm in described crane arm; Described the second end having surpassed mast is connected with described super starter pulley by steel wire rope.
7. crane as claimed in claim 6, is characterized in that, has describedly surpassed under toe-out strains at plate duty, described surpassed toe-out strain at the upper end of plate and described starter pulley hinged, the rotatable base pinned connection on lower end and described crane arm.
8. crane as claimed in claim 6, is characterized in that, has describedly surpassed under toe-out strains at plate travel position, and described super starter pulley is placed on described pulley bracket.
9. as claimed in claim 7 or 8 crane, is characterized in that, described link has surpassed the connecting hole bolt that toe-out strains in plate rack be connected with described.
10. crane as claimed in claim 9, it is characterized in that, described link is connected with described crane arm bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336265.4U CN204297978U (en) | 2014-06-23 | 2014-06-23 | One has surpassed toe-out and has strained at plate rack and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336265.4U CN204297978U (en) | 2014-06-23 | 2014-06-23 | One has surpassed toe-out and has strained at plate rack and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204297978U true CN204297978U (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336265.4U Withdrawn - After Issue CN204297978U (en) | 2014-06-23 | 2014-06-23 | One has surpassed toe-out and has strained at plate rack and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204297978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016249A (en) * | 2014-06-23 | 2014-09-03 | 徐州重型机械有限公司 | Tensioning-before-superlift pull plate arrangement rack, assembling method and crane |
| CN113860165A (en) * | 2021-09-08 | 2021-12-31 | 山东博宇重工科技有限公司 | Pulley overhead crane |
-
2014
- 2014-06-23 CN CN201420336265.4U patent/CN204297978U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016249A (en) * | 2014-06-23 | 2014-09-03 | 徐州重型机械有限公司 | Tensioning-before-superlift pull plate arrangement rack, assembling method and crane |
| CN104016249B (en) * | 2014-06-23 | 2016-07-06 | 徐州重型机械有限公司 | A kind of setting-up toe-out strains at plate rack, assembly method and crane |
| CN113860165A (en) * | 2021-09-08 | 2021-12-31 | 山东博宇重工科技有限公司 | Pulley overhead crane |
| CN113860165B (en) * | 2021-09-08 | 2023-12-26 | 山东博宇重工科技有限公司 | Crane with overhead pulley |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160706 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160706 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |