CN111891891A - Power and free chain lifting appliance - Google Patents
Power and free chain lifting appliance Download PDFInfo
- Publication number
- CN111891891A CN111891891A CN202010754845.5A CN202010754845A CN111891891A CN 111891891 A CN111891891 A CN 111891891A CN 202010754845 A CN202010754845 A CN 202010754845A CN 111891891 A CN111891891 A CN 111891891A
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- lifting appliance
- secondary load
- oil receiving
- receiving disc
- load beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the field of water-based paint spraying, and particularly provides a power and free chain lifting appliance in a water-based paint electrophoretic powder spraying production line. The lower part of the secondary load beam is also provided with a lifting appliance beam, and the lower end of the lifting appliance beam is provided with a plurality of hanging chains. Two T-shaped connecting pieces are further arranged at the upper end of the lifting appliance beam, and grooves are formed in the two ends of the secondary load beam; the T-shaped connecting piece is matched with the groove. Above-mentioned long-pending chain hoist of putting sets up a plurality of chaining on the hoist roof beam to the staff hoists a plurality of spraying piece of treating on the hoist roof beam, increases the quantity of spraying piece of treating that the hoist can hoist. The secondary load beam and the lifting appliance beam are connected with the groove through the T-shaped connecting piece, the lifting appliance beam and the secondary load beam can be separated or connected, the lifting appliance beam and the part to be sprayed on the lifting appliance beam are integrally installed on the secondary load beam, and the operation difficulty of workers can be reduced.
Description
Technical Field
The invention belongs to the field of assembly line water-based paint spraying, and particularly relates to a lifting appliance for lifting a piece to be sprayed during electrophoresis and powder spraying.
Background
The lifting appliance is one of conventional tools in industrial production, generally comprises a lifting appliance beam, wherein one to two lifting chains are arranged on the lifting appliance beam, and the lifting appliance is used for lifting various equipment products in a factory building.
In the electrophoretic powder spraying process of the water-based paint, a workpiece to be sprayed needs to be hoisted, and then the workpiece is placed into a pretreatment tank, a powder spraying room and the like for treatment. The spraying workpiece is hoisted through the existing lifting appliance beam, only two hoisting chains are arranged on one lifting appliance beam, and the number of the spraying workpieces to be hoisted by the lifting appliance beam in the prior art is small.
Meanwhile, the piece to be sprayed is hoisted through the traditional hanger beam, the moving range of the hanger beam is small, the problems that the process of the piece to be sprayed is difficult to process is more, and the moving distance is long are solved. Certainly, the spraying parts can be hoisted by the stacking chain and the hoisting tool arranged on the stacking chain, but when the spraying parts are hoisted by the stacking chain, the number of the spraying parts to be hoisted is small.
Disclosure of Invention
The invention aims to provide a lifting appliance of a stacking chain, which aims to solve the problems that the lifting appliance on the stacking chain in the prior art can lift a small number of pieces to be sprayed, and an operator cannot conveniently lift the pieces to be sprayed on the stacking chain.
The invention provides a power and free chain lifting appliance which comprises a first lifting appliance group, wherein the first lifting appliance group comprises a front lifting appliance and a rear lifting appliance, the first lifting appliance comprises a primary load beam, and the two primary load beams are respectively arranged on a power and free chain through a front trolley and a rear trolley. The lower parts of the two first lifting appliances are also provided with secondary load beams, and the front parts and the rear parts of the secondary load beams are respectively connected with the two first lifting appliances; in the present invention, the connection is with the primary load beam. The lower part of the secondary load beam is also provided with a lifting appliance beam, and the lower end of the lifting appliance beam is provided with a plurality of hanging chain connecting pieces for connecting hanging chains; the upper end of the lifting appliance beam is also provided with two T-shaped connecting pieces, and two ends of the secondary load beam are provided with grooves; the T-shaped connecting piece is matched with the groove.
Preferably, two groups of support rod groups are further arranged on the lifting appliance beam, and the support rod groups are respectively positioned at the front part and the rear part of the lifting appliance beam; the supporting rod group comprises two supporting rods which are perpendicular to the lifting appliance beam, and the two supporting rods are symmetrically distributed and extend to the left side and the right side respectively.
Preferably, the hanger beam comprises I-shaped steel, the I-shaped steel comprises transverse plates respectively located at the upper side and the lower side and a vertical plate located between the two transverse plates, and a plurality of circular holes are formed in the vertical plate.
Preferably, the hanger beam is further provided with a plurality of reinforcing plate groups, each reinforcing plate group comprises two reinforcing plates, and the two reinforcing plates are symmetrically distributed on the two sides of the vertical plate from left to right; the upper end and the lower end of the reinforcing plate are respectively connected with the two transverse plates.
It is further preferable that a plurality of the above-mentioned plates are uniformly provided at the lower end of the transverse plate at the lower sideLink chain connecting pieceThe hanging chain connecting piece is a hanging ring, and the hanging chain is arranged on the hanging ring.
Preferably, the upper end surfaces of the primary load beam and the secondary load beam are respectively provided with an upper oil receiving disc and a lower oil receiving disc, and the upper oil receiving disc and the lower oil receiving disc are both positioned at the lower part of the accumulating and releasing chain.
Preferably, the upper oil receiving disc and the lower oil receiving disc are strip-shaped grooves which are respectively formed in the upper end face of the primary load beam and the upper end face of the secondary load beam.
Preferably, the upper oil receiving disc and the lower oil receiving disc are strip boxes respectively mounted on the upper end face of the primary load beam and the upper end face of the secondary load beam, and an opening is formed in the upper end of each strip box.
Preferably, the lower part of the secondary load beam is also fixedly provided with an oil collection barrel made of transparent materials, and the oil collection barrel is communicated with the upper oil receiving disc and the lower oil receiving disc through oil conveying pipes.
Compared with the prior art, the power and free chain lifting appliance provided by the invention has the following beneficial effects:
above-mentioned long-pending chain hoist of putting is connected long-pending chain of putting through two first hoists, and the anterior portion and the rear portion of secondary load roof beam are connected respectively to two first hoists simultaneously, can share the gravity of secondary load roof beam jointly, and the load capacity of increase secondary load roof beam, and then be convenient for hoist more heavier spraying parts of treating.
The front part and the rear part of the secondary load beam are respectively connected with the two first lifting appliances, so that the stability of the secondary load beam can be improved, and the secondary load beam is prevented from being laterally deviated.
In addition, the lifting appliance beam is further arranged and used for arranging the hanging chain connecting pieces, and during specific manufacturing, the hanging chain connecting pieces can be uniformly arranged on the lifting appliance beam according to needs, so that a plurality of pieces to be sprayed are conveniently lifted on the lifting appliance beam by workers, and the number of the pieces to be sprayed, which can be lifted by the lifting appliance, is increased.
Meanwhile, in the power and free chain lifting appliance provided by the invention, grooves are formed in two ends of the secondary load beam, and T-shaped connecting pieces are respectively arranged at the front part and the rear part of the lifting appliance beam and are matched with the grooves. When the staff uses, can make hoist roof beam and secondary load roof beam separation or connection through removing the hoist roof beam, above-mentioned connected mode is changeable, and the staff can be earlier with a plurality of spraying of treating install on the chaining of hoist roof beam, then with the hoist roof beam and on treat spraying as a whole install on the secondary load roof beam, treat spraying through the hoist and mount of above-mentioned mode, can reduce staff's the operation degree of difficulty.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
Fig. 1 is a front view of a power and free chain spreader in an embodiment of the invention.
FIG. 2 is an enlarged view of portion A of FIG. 1 according to an embodiment of the present invention.
Fig. 3 is a side view of a power and free chain spreader in an embodiment of the invention.
The reference numbers illustrate:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the present embodiment provides a power and free chain spreader, which includes a first spreader set, where the first spreader set includes two front and rear first spreaders, the first spreader includes a primary load beam 4, and the two primary load beams 4 are respectively installed on a power and free chain through a front trolley 1 and a rear trolley 6; the two first lifting appliances move on the accumulating chain through the front trolley 1 and the rear trolley 6. The lower parts of the two first lifting appliances are also provided with secondary load beams 5, and the front parts and the rear parts of the secondary load beams 5 are respectively connected with the two first lifting appliances; in the present invention, the connection is with the primary load beam 4. The lower part of the secondary load beam 5 is also provided with a lifting appliance beam 3, and the lower end of the lifting appliance beam 3 is provided with a plurality of hanging chains 35; the long-pending chain hoist of putting that this embodiment provided is provided with a plurality of evenly distributed's link 34 on this hoist roof beam 3, and link 35 passes through the couple to be connected on link 34, and the staff can hang the link 35 of putting suitable quantity as required.
In the power and free chain spreader provided in this embodiment, the spreader beam 3 and the secondary load beam 5 are detachably connected, and in order to facilitate connection and separation of the spreader beam 3 and the secondary load beam 5, the spreader beam 3 and the secondary load beam 5 are configured as follows: the upper end of the lifting appliance beam 3 is also provided with two T-shaped connecting pieces 33, and two ends of the secondary load beam 5 are provided with grooves; the T-shaped connecting piece 33 is matched with the groove. When the hanger beam 3 is connected with the secondary load beam 5, the transverse rod of the T-shaped connecting piece 33 extends to the upper part of the secondary load beam 5, and when the secondary load beam 5 rises, the transverse rod is clamped into the groove on the upper end surface of the secondary load beam 5, so that the connection between the secondary load beam 5 and the hanger beam 3 is realized; when the secondary load beam 5 and the hanger beam 3 need to be separated, the hanger beam 3 is supported by other equipment, the hanger beam 3 moves upwards, the transverse rod of the T-shaped connecting piece 33 is separated from the groove, and then the hanger beam 3 and the secondary load beam 5 are separated.
The long-pending chain hoist of putting that this embodiment provided connects long-pending chain of putting through two first hoists to move on long-pending chain of putting, the anterior and the rear portion of secondary load roof beam 5 are connected respectively to two first hoists, can share the gravity of secondary load roof beam 5 jointly, and the load capacity of increase secondary load roof beam 5, and then be convenient for hoist more heavier spraying piece of treating, the maximum load of the spraying piece of treating of increase hoist and mount simultaneously. The front part and the rear part of the secondary load beam 5 are respectively connected with the two first lifting appliances, so that the stability of the secondary load beam 5 can be improved, and the secondary load beam 5 is prevented from laterally deviating. Above-mentioned hoist roof beam 3 passes through T shape connecting piece 33 and installs on secondary load roof beam 5, and this hoist roof beam 3 is used for setting up the chaining connecting piece, and in this embodiment, above-mentioned chaining connecting piece is link 34, when specifically making, can evenly set up a plurality of links 34 that are used for connecting link 35 on the hoist roof beam 3 as required to the staff will be a plurality of treat that the spraying piece hoist and mount are on hoist roof beam 3, increase the quantity of treating the spraying piece that the hoist can hoist.
Furthermore, in the power and free chain lifting appliance provided by the embodiment, grooves are arranged at two ends of the secondary load beam 5, the front part and the rear part of the lifting appliance beam 3 are respectively provided with a T-shaped connecting piece 33, and the T-shaped connecting pieces 33 are matched with the grooves. When the staff uses, can be through removing hoist roof beam 3 or secondary load roof beam 5 and then make hoist roof beam 3 and secondary load roof beam 5 separation or connection, above-mentioned connected mode is changeable, and the staff can install a plurality ofly treat spraying on the chaining 35 of hoist roof beam 3 earlier, then with hoist roof beam 3 and the last piece of treating spraying as a whole installation on secondary load roof beam 5, treat spraying through the hoist and mount of above-mentioned mode, can reduce staff's the operation degree of difficulty.
Specifically, in the water-based paint spraying line, there may be a plurality of stacking chains, and when the spreader beam 3 is moved between the stacking chains, for convenience of moving, the spreader beam 3 may be configured as: two groups of support rod groups are further arranged on the lifting appliance beam 3, and the support rod groups are respectively positioned at the front part and the rear part of the lifting appliance beam 3; the support rod group comprises two support rods 8 which are perpendicular to the lifting appliance beam 3, and the two support rods 8 are symmetrically distributed and extend to the left side and the right side respectively.
In the specific transfer process, the support rods 8 are supported by the support members of the transfer machine, and then the support members are moved upwards, so that the hanger beam 3 is moved upwards, and the T-shaped connecting members 33 on the hanger beam 3 are separated from the grooves in the process of moving the hanger beam 3 upwards. In this embodiment, the support rods 8 are arranged to support and move the spreader beam 3 by other devices, such as a transfer machine; the present invention is not the invention related to the transfer machine, and the transfer machine will not be described in detail herein; however, it can be understood that the transfer machine only plays a role of supporting upward movement and moving the transfer machine as a whole to drive the spreader beam 3 to move, and the transfer machine can be a special matched device or a hydraulic lifting device with a translation device.
Specifically, in this embodiment, a specific structure of the spreader beam 3 is further specifically disclosed, in this embodiment, the spreader beam 3 includes i-shaped steel, the i-shaped steel includes transverse plates respectively located at upper and lower sides and a vertical plate located between the two transverse plates, and the vertical plate is provided with a plurality of circular holes 31. The whole framework of the lifting appliance beam 3 is made of I-shaped steel, so that the mechanical strength of the lifting appliance beam 3 can be increased; the round holes 31 can reduce the overall weight of the hanger beam 3, thereby increasing the load capacity.
In order to further increase the mechanical strength of the spreader beam 3, a plurality of reinforcing plate groups may be further disposed on the spreader beam 3, each reinforcing plate group includes two reinforcing plates 32, and the two reinforcing plates 32 are symmetrically distributed on two sides of the vertical plate; the upper and lower ends of the reinforcing plate 32 are connected to the two lateral plates, respectively.
In the present embodiment, a plurality of hanging rings 34 are provided at the lower ends of the transverse plates located at the lower side, and the hanging chains 35 are mounted on the hanging rings 34. A plurality of hanging rings 34 can be arranged, a worker can hang a proper number of hanging chains 35 on the hanging rings 34 according to needs, and when the workpieces to be sprayed are small, the worker can respectively hoist the workpieces to be sprayed through the plurality of hanging chains 35; when the workpiece to be sprayed is large, the worker can select the position of the hanging ring 34 and hoist the workpiece to be sprayed through at least two hanging chains 35.
Specifically, in the running process of the depositing and releasing chain, lubricating oil on the depositing and releasing chain or other oil on the depositing and releasing chain is easy to drip to the lower part, in order to prevent the oil from dripping to the pretreatment tank or other lower equipment, an oil receiving disc for collecting the oil or other stains is further arranged in the embodiment, and the specific configuration is as follows: the upper end faces of the primary load beam 4 and the secondary load beam 5 are further respectively provided with an upper oil receiving disc 71 and a lower oil receiving disc 72, the upper oil receiving disc 71 and the lower oil receiving disc 72 are both located at the lower part of the accumulating and releasing chain, oil and other stains directly enter the upper oil receiving disc 71 or the lower oil receiving disc 72 after falling, and the oil or the stains are prevented from entering the pretreatment tank.
This embodiment also provides a concrete form of the upper oil receiving pan 71 and the lower oil receiving pan 72, wherein the upper oil receiving pan 71 and the lower oil receiving pan 72 are strip-shaped grooves opened on the upper end surface of the primary load beam 4 and the upper end surface of the secondary load beam 5, respectively. When the plates on which the upper end surfaces of the primary load beam 4 and the secondary load beam 5 are located are thick, strip-shaped grooves may be formed in the plates, and the strip-shaped grooves form an upper oil receiving disc 71 and a lower oil receiving disc 72.
This embodiment also provides another specific form of the upper and lower oil receiving pans 72, wherein the upper and lower oil receiving pans 72 are strip-shaped boxes mounted on the upper end surfaces of the primary load beam 4 and the secondary load beam 5, respectively, and the upper ends of the strip-shaped boxes are provided with openings.
More specifically, in order to collect oil and dirt in the upper oil receiving disc and the lower oil receiving disc 72, an oil collecting barrel made of transparent material can be further fixed at the lower part of the secondary load beam 5, and the oil collecting barrel is communicated with the upper oil receiving disc and the lower oil receiving disc 72 through oil conveying pipes. The oil liquid and the stain collected by the upper oil receiving disc and the lower oil receiving disc 72 enter the oil collecting barrel, and when the oil liquid and the stain stored in the oil collecting barrel are too much, a worker can directly observe and treat the oil liquid and the stain in the oil collecting barrel.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, which is defined by the appended claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A power and free chain lifting appliance is characterized in that,
the lifting device comprises a first lifting device group, wherein the first lifting device group comprises a front lifting device and a rear lifting device, the first lifting device comprises a primary load beam, and the two primary load beams are respectively arranged on a stacking chain through a front trolley and a rear trolley;
the lower parts of the two first lifting appliances are provided with secondary load beams, and the front parts and the rear parts of the secondary load beams are respectively connected with the two first lifting appliances;
the lower part of the secondary load beam is also provided with a lifting appliance beam, and the lower end of the lifting appliance beam is provided with a plurality of hanging chain connecting pieces for connecting hanging chains; the upper end of the lifting appliance beam is also provided with two T-shaped connecting pieces, and two ends of the secondary load beam are provided with grooves; the T-shaped connecting piece is matched with the groove.
2. The power and free chain spreader of claim 1,
the hanger beam is also provided with two groups of support rods which are respectively positioned at the front part and the rear part of the hanger beam; the supporting rod group comprises two supporting rods which are perpendicular to the lifting appliance beam, and the two supporting rods are symmetrically distributed and extend to the left side and the right side respectively.
3. The power and free chain spreader of claim 1,
the hanger beam comprises I-shaped steel, the I-shaped steel comprises transverse plates respectively positioned at the upper side and the lower side and a vertical plate positioned between the two transverse plates, and a plurality of round holes are formed in the vertical plate.
4. The power and free chain spreader of claim 3,
the hanger beam is also provided with a plurality of reinforcing plate groups, each reinforcing plate group comprises two reinforcing plates, and the two reinforcing plates are symmetrically distributed on the two sides of the vertical plate from left to right; the upper end and the lower end of the reinforcing plate are respectively connected with the two transverse plates.
5. The power and free chain spreader of claim 3,
a plurality of the transverse plates are uniformly arranged at the lower end of the transverse plate at the lower sideLink chain connecting pieceThe hanging chain connecting piece is a hanging ring, and the hanging chain is arranged on the hanging ring.
6. The power and free chain spreader of claim 1,
the upper end surfaces of the primary load beam and the secondary load beam are respectively provided with an upper oil receiving disc and a lower oil receiving disc, and the upper oil receiving disc and the lower oil receiving disc are both located on the lower portion of the accumulating and releasing chain.
7. The power and free chain spreader of claim 6,
the upper oil receiving disc and the lower oil receiving disc are strip-shaped grooves which are respectively arranged on the upper end face of the primary load beam and the upper end face of the secondary load beam.
8. The power and free chain spreader of claim 6,
the upper oil receiving disc and the lower oil receiving disc are strip-shaped boxes which are respectively arranged on the upper end face of the primary load beam and the upper end face of the secondary load beam, and openings are formed in the upper ends of the strip-shaped boxes.
9. The power and free chain spreader of claim 6,
and an oil collecting barrel made of transparent materials is further fixed at the lower part of the secondary load beam, and the oil collecting barrel is communicated with the upper oil receiving disc and the lower oil receiving disc through oil conveying pipes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754845.5A CN111891891B (en) | 2020-07-31 | 2020-07-31 | Power and free chain lifting appliance |
| PCT/CN2021/076821 WO2022021846A1 (en) | 2020-07-31 | 2021-02-19 | Power and free chain lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754845.5A CN111891891B (en) | 2020-07-31 | 2020-07-31 | Power and free chain lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111891891A true CN111891891A (en) | 2020-11-06 |
| CN111891891B CN111891891B (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010754845.5A Active CN111891891B (en) | 2020-07-31 | 2020-07-31 | Power and free chain lifting appliance |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111891891B (en) |
| WO (1) | WO2022021846A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390145A (en) * | 2020-11-27 | 2021-02-23 | 宝钢股份黄石涂镀板有限公司 | Bridge crane hook oil receiving device for hook operation of strip steel coil |
| WO2022021846A1 (en) * | 2020-07-31 | 2022-02-03 | 于东序 | Power and free chain lifting appliance |
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| CN108840031A (en) * | 2018-08-22 | 2018-11-20 | 朱秀娣 | Overhead chain conveyer is used in a kind of portable suspension conveying system and spraying |
| CN110304405A (en) * | 2019-08-01 | 2019-10-08 | 承德金龙输送机制造有限公司 | A kind of 3 tons of load stacking conveying equipments |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021846A1 (en) * | 2020-07-31 | 2022-02-03 | 于东序 | Power and free chain lifting appliance |
| CN112390145A (en) * | 2020-11-27 | 2021-02-23 | 宝钢股份黄石涂镀板有限公司 | Bridge crane hook oil receiving device for hook operation of strip steel coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111891891B (en) | 2021-11-12 |
| WO2022021846A1 (en) | 2022-02-03 |
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Effective date of registration: 20210220 Address after: Liangshan County, Jining City, Shandong Province Applicant after: Shandong Zhongya Automobile Co.,Ltd. Applicant after: Yu Dongxu Address before: 272600 Renmin Middle Road, Jining City, Shandong Province Applicant before: Shandong Zhongya Automobile Co.,Ltd. |
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Effective date of registration: 20230313 Address after: 272619 Jiangzhuang Village Jiangzhuang Steel Market Yard, Liangshan Sub District Office, Liangshan County, Jining City, Shandong Province Patentee after: Liangshan Zhengxin Profile Steel Sales Co.,Ltd. Address before: Liangshan County, Jining City, Shandong Province Patentee before: Shandong Zhongya Automobile Co.,Ltd. Patentee before: Yu Dongxu |