CN211385579U - Roller coating unit - Google Patents
Roller coating unit Download PDFInfo
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- CN211385579U CN211385579U CN201921669016.6U CN201921669016U CN211385579U CN 211385579 U CN211385579 U CN 211385579U CN 201921669016 U CN201921669016 U CN 201921669016U CN 211385579 U CN211385579 U CN 211385579U
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Abstract
The utility model relates to a roller coating unit, which realizes the locking and unlocking of a roller coating vehicle through a positioner; the positioner comprises a double-sided oblique wedge block, a guide slideway, a positioning seat arranged on the guide slideway in a sliding way and a positioning piece arranged at the front end of the positioning base; the positioning seat is provided with a bearing and driving groove, the bearing and driving groove is provided with two bearing and driving surfaces which are sequentially arranged along the sliding direction of the positioning base, the two bearing and driving surfaces are inclined planes with included angles with the sliding direction of the positioning base, and the positioning piece is inserted into a positioning notch of the roller coating vehicle or separated from the positioning notch of the roller coating vehicle through the matching of the two wedge surfaces of the double-sided wedge block and the two bearing and driving surfaces. The positioning and unlocking of the roller coating vehicle by the positioning piece are completed by matching the double-sided oblique wedge block with the positioning seat with the bearing and driving groove, so that the complicated manual disassembly and assembly of the positioning piece are replaced, and the equipment maintenance efficiency can be effectively improved; the positioner is easy to arrange, occupies a small space, can better adapt to the working condition of narrow space between adjacent roller coaters of the roller coater unit, and reduces labor cost and maintenance danger.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical equipment, concretely relates to unit is scribbled to roller.
Background
The metallurgical mechanical equipment generally has the characteristics of complex structure, large volume, high precision requirement and the like, and can continuously work under the conditions of high temperature, heavy load, dustiness and corrosion; therefore, some equipment needs to be replaced frequently, such as rolls, coating rolls, bearings, etc. Particularly, for equipment which needs to be accurately positioned and frequently replaced, safe and efficient equipment maintenance work is particularly important, and the method has important significance for shortening process time, ensuring product quality and improving economic benefits of enterprises, saves a large amount of manpower and reduces labor intensity. The requirement can be met by additionally arranging a maintenance station in the same equipment frame. During normal production, the equipment is in online operation; when maintenance is needed, the equipment moves to a maintenance position for operation; after maintenance, the equipment is moved to a working position to participate in production.
Because the equipment is switched between the working position and the maintenance position, in order to not influence normal production, accurate positioning and quick unlocking of the equipment in the working position must be ensured, and the positioning operation space is usually smaller. As shown in fig. 1, a 1# roller coating vehicle and a 2# roller coating vehicle are arranged in series in the running direction of the strip steel, each roller coating vehicle can be switched between a working position and a maintenance position in a translation mode, and the translation direction of each roller coating vehicle is perpendicular to the running direction of the strip steel; the roller coating vehicle needs to be locked or unlocked through the positioning piece at the working position and the maintenance position.
The conventional mode at present is that the locating pieces such as bolts and the like are manually operated, because the locating pieces are small in size and large in quantity, the time and labor are wasted when the dismounting work is finished in a short time, and the operation risk beside the equipment is high; particularly, the installation of the positioning pieces at the outlet side of the No. 1 roller coating vehicle and the inlet side of the No. 2 roller coating vehicle has no operation space basically, and manual operation at the machine side is not allowed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a roll coating unit can solve prior art's partial defect at least.
The embodiment of the utility model relates to a roll coating unit, which comprises a plurality of roll coating vehicles which are arranged in series along the running direction of strip steel, wherein each roll coating vehicle can be switched between a self working position and a maintenance position in a translation way, and at least one group of positioners for locking the roll coating vehicles are respectively arranged between every two adjacent working positions and between every two adjacent maintenance positions;
the positioner comprises a positioning seat, a positioning piece, a first guide slideway and a double-sided wedge block, wherein the positioning seat is slidably arranged on the first guide slideway, the positioning piece is arranged at the front end of the positioning seat, a bearing and driving groove for the double-sided wedge block to extend into is arranged on the positioning seat, the bearing and driving groove is provided with two bearing and driving surfaces which are sequentially arranged along the sliding direction of the positioning seat, and the two bearing and driving surfaces are inclined planes with included angles with the sliding direction of the positioning seat;
the double-sided wedge is connected with a wedge driving unit, thereby having: the wedge surface of the positioning piece slides on one bearing and driving surface to a first direction stroke that the double-sided wedge block gradually enters the bearing and driving groove, and at the tail end of the first direction stroke, the positioning seat is close to the corresponding roller coating vehicle and the positioning piece is inserted into a positioning notch of the roller coating vehicle; and enabling the other wedge surface to slide on the other bearing and driving surface to a second direction stroke that the double-sided wedge block gradually retreats from the bearing and driving groove, wherein at the tail end of the second direction stroke, the positioning seat is far away from the corresponding roller coating vehicle and the positioning piece is separated from the positioning notch of the roller coating vehicle.
As one embodiment, a positioning ball is installed on the positioning seat in a spherical hinge mode, and the bearing driving groove is formed in the positioning ball.
As one embodiment, a positioning turntable is rotatably embedded in the positioning seat, and the bearing and driving groove is formed in the positioning turntable.
As one embodiment, the double-sided wedge includes a first rod segment connected to the wedge driving unit and having a length direction parallel to a linear driving direction of the wedge driving unit, and a second rod segment having two wedge surfaces formed on the second rod segment and having an angle with the length direction of the first rod segment.
As one embodiment, the positioner further comprises a second guide slideway, the first rod section is slidably disposed on the second guide slideway, and the guide direction of the second guide slideway is the same as the linear driving direction of the wedge driving unit.
As one embodiment, the positioner is further provided with a position detection mechanism for detecting the position of the positioning element.
As one embodiment, the position detection mechanism includes two first detection elements, and the two first detection elements are in a proximity switch and sensing block matching type structure, wherein one first detection element is installed on the positioning seat, and the other first detection element is installed beside a sliding path of the positioning seat, and satisfies the following conditions: when the positioning piece is at the locking position, the two first detection elements are in a mutual induction state, and when the positioning piece is at other positions, the two first detection elements are in a non-induction state.
As one embodiment, the inlet end and the outlet end of each working position are respectively provided with a plurality of positioners; and the inlet end and the outlet end of each maintenance position are respectively provided with a plurality of positioners.
In one embodiment, the positioning member is a positioning pin.
As an example, the wedge drive unit comprises a hydraulic cylinder, an air cylinder or an electric push rod.
The embodiment of the utility model provides a following beneficial effect has at least:
the utility model provides a roller coat unit, through the cooperation of two-sided tapered wedge and the positioning seat that has the bearing and drives the groove, utilize the wedge surface effect, accomplish the setting element to the location and the unblock of roller coat car, replaced the manual disassembly and assembly of loaded down with trivial details setting element, both can fix a position fast and lock, also can unblock fast, can effectively improve the efficiency of equipment maintenance; the movement direction of the double-sided wedge block and the movement direction of the positioning piece can form any included angle, so that the positioner is easy to arrange, occupies small space, works reliably, and can better adapt to the working condition of narrow space between adjacent roller coaters of the roller coater unit; the roller coating vehicle can be automatically positioned, locked and unlocked, so that labor cost and maintenance danger are reduced.
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 obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a roll coater unit provided in the background art;
fig. 2 and fig. 3 are schematic structural views of a positioner (a bearing and driving groove is directly formed in the positioning seat) according to an embodiment of the present invention; wherein, fig. 2 is a state diagram when the positioning member is at the locking position; FIG. 3 is a state diagram of the positioning member in the unlocked position;
fig. 4 and 5 are schematic structural diagrams of a positioner provided with a positioning ball (a right angle is formed between a linear driving direction of a wedge block driving unit and a sliding direction of a positioning base) according to an embodiment of the present invention; wherein, fig. 4 is a state diagram when the positioning member is in the locking position; FIG. 5 is a state diagram of the positioning member in the unlocked position;
fig. 6 and 7 are schematic structural diagrams of a positioner provided with a positioning ball (an obtuse angle is formed between a linear driving direction of a wedge block driving unit and a sliding direction of a positioning base) according to an embodiment of the present invention; FIG. 6 is a state diagram of the positioning member in the locking position; FIG. 7 is a state diagram of the positioning member in the unlocked position;
fig. 8 and 9 are schematic structural diagrams of a positioner provided with a positioning ball (an acute angle is formed between a linear driving direction of a wedge block driving unit and a sliding direction of a positioning base) according to an embodiment of the present invention; FIG. 8 is a state diagram of the positioning member in the locking position; FIG. 9 is a state diagram of the positioning member in the unlocked position.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a roll coating unit, include a plurality of roller coat car 9 of arranging along belted steel traffic direction series connection, each roller coat car 9 can be at self work position and maintain the translation switching between the position, and the specific structure here of roller coat car 9 is not repeated. At least one group of locators for locking the roller coating carts 9 is arranged between every two adjacent working positions and between every two adjacent maintenance positions, and more preferably, a plurality of groups of locators are arranged between every two adjacent working positions, for example, some of the locators in the plurality of groups of locators between the two working positions are used for locking one roller coating cart 9, and the rest of the locators are used for locking the other roller coating cart 9. Furthermore, a plurality of positioners are respectively arranged at the inlet end and the outlet end of each working position; and the inlet end and the outlet end of each maintenance position are respectively provided with a plurality of positioners.
The installation operation of the positioning element 6 is not facilitated due to the narrow space between two adjacent work stations/between two adjacent maintenance stations, and the positioning element is preferably a positioning element suitable for automated operation, in particular:
as shown in fig. 2 to 9, the positioner includes a positioning seat 3, a positioning member 6, a first guide slideway 5 and a double-sided wedge block 1, the positioning seat 3 is slidably disposed on the first guide slideway 5, the positioning member 6 is disposed at the front end of the positioning seat 3, a bearing and driving groove into which the double-sided wedge block 1 can extend is disposed on the positioning seat 3, the bearing and driving groove has two bearing and driving surfaces sequentially arranged along the sliding direction of the positioning seat 3, and both the two bearing and driving surfaces are inclined planes having an included angle with the sliding direction of the positioning seat 3;
the double-sided wedge 1 is connected with a wedge drive unit 7, and has: sliding a wedge surface of the double-sided wedge block on one of the bearing and driving surfaces to a first direction stroke that the double-sided wedge block 1 gradually enters the bearing and driving groove, wherein at the end of the first direction stroke, the positioning seat 3 is close to the corresponding roller coating trolley 9 and the positioning piece 6 is inserted into a positioning notch of the roller coating trolley 9; and the other wedge surface slides on the other bearing and driving surface to a second direction stroke that the double-sided wedge block 1 gradually exits the bearing and driving groove, and at the end of the second direction stroke, the positioning seat 3 is far away from the corresponding roller coating vehicle 9 and the positioning piece 6 is separated from the positioning notch of the roller coating vehicle 9.
As can be easily understood, the first guide slideway 5 is used for guiding the positioning socket 3 to approach or depart from the corresponding roll coating carriage 9, that is, guiding the positioning member 6 to approach or depart from the corresponding roll coating carriage 9, so as to realize the operation switching of the positioning member 6 between the locking position and the unlocking position. The first guide slideway 5 can adopt a conventional slide rail structure, and the sliding structure of the positioning seat 3 on the first guide slideway 5 is also conventional technology, and will not be described in detail here.
The positioning member 6 is adapted to fit into a positioning notch on the roller coating cart 9, and may be a positioning pin, such as a taper pin, a cylindrical pin, or a tapered wedge pin.
The wedge driving unit 7 is used for driving the double-sided wedge 1 to do linear reciprocating motion, namely the direction of the first direction stroke is opposite to that of the second direction stroke, but the stroke space is shared; conventional linear driving devices are suitable for the present embodiment, and for example, hydraulic cylinders, air cylinders, electric push rods, screw elevators, etc. may be used.
Obviously, the two bearing and driving surfaces are used for being respectively matched with the two wedge surfaces of the double-sided wedge block 1 to achieve the purpose of switching the operation of the positioning piece 6 between the locking position and the unlocking position, wherein one of the two bearing and driving surfaces is a locking bearing and driving surface for enabling the positioning piece 6 to operate to the locking position, and the other bearing and driving surface is an unlocking bearing and driving surface for enabling the positioning piece 6 to operate to the unlocking position; two wedge surfaces of the double-sided wedge block 1 are correspondingly a locking wedge surface and an unlocking wedge surface; the two bearing and driving surfaces can be in a parallel relationship, but are preferably parallel to each other, so that the state switching of the positioning element 6 can be realized in multiple cycles; in addition, preferably, the locking driving surface is parallel to the locking wedge surface, and the unlocking driving surface is parallel to the unlocking wedge surface.
The structural relationship between the double-sided wedge block 1 and the bearing and driving groove can satisfy the following conditions, and the design is easy for those skilled in the art:
when the locking wedge surface of the double-sided wedge block 1 is in contact with the locking drive surface of the drive-receiving groove and slides on the locking drive-receiving surface (for example, at the moment, the double-sided wedge block 1 runs on a first direction stroke), the positioning piece 6 gradually approaches the corresponding roller coating trolley 9 until the positioning piece 6 is inserted into the positioning notch of the roller coating trolley 9;
when the unlocking wedge surface of the double-sided wedge block 1 contacts with the unlocking drive surface of the drive-bearing groove and slides on the unlocking drive-bearing surface (for example, when the double-sided wedge block 1 runs on a stroke in the second direction), the locating piece 6 gradually gets away from the corresponding roller coating vehicle 9 until the locating piece 6 is separated from the locating notch of the roller coating vehicle 9.
In the embodiment shown in fig. 2 and 3, the drive-receiving groove opens directly into the positioning socket 3.
In the embodiment shown in fig. 4 to 9, a positioning ball 4 is mounted on the positioning seat 3 in a spherical hinge manner, and the bearing drive groove is opened on the positioning ball 4. The positioning ball 4 is installed on the positioning seat 3 and the positioning seat form a spherical hinge pair, accordingly, the positioning seat 3 forms a ball seat of the spherical hinge pair, a spherical bowl is arranged on the positioning seat 3, and the positioning ball 4 is installed in the spherical bowl to form a spherical hinge pair. Based on the positioning ball 4 hinged to the positioning seat 3, it has a universal movement characteristic, so that, in an initial state, when the locking driving bearing surface is not parallel to the locking wedge surface/the unlocking driving bearing surface is not parallel to the unlocking wedge surface, after the double-sided wedge block 1 contacts the positioning ball 4, the positioning ball 4 can adaptively make the locking driving bearing surface and the locking wedge surface parallel to each other/the unlocking driving bearing surface and the unlocking wedge surface parallel to each other. Based on the universal activity characteristic of the positioning ball 4, the selectivity of the installation direction of the double-sided oblique wedge block 1 is large, so that the double-sided oblique wedge block can be well adapted to the working conditions of different installation spaces, particularly the problem that the positioning piece 6 is difficult to install due to the small space between two adjacent stations of a roller coating unit can be solved, and the operation switching of the positioning piece 6 between the locking position and the unlocking position can be well realized. In one embodiment, the double-sided wedge block 1, the positioning seat 3 and the positioning piece 6 are positioned in the same plane, for example, the double-sided wedge block 1 is arranged on a sliding plane where the positioning seat 3 is positioned and is uniformly arranged on the same plane of the roller coater frame 8; in other embodiments, the double-sided wedge block 1 is arranged outside the sliding plane of the positioning seat 3, for example, the positioning seat 3 is located in the same horizontal plane with the positioning piece 6 and the roll coater, and the double-sided wedge block 1 is located above the positioning seat 3.
In another embodiment, a rotating disc type structure may be adopted to replace the positioning ball 4, that is, the positioning seat 3 is rotatably embedded with a positioning rotating disc, and the bearing and driving groove is opened on the positioning rotating disc, so that a better application effect can be obtained as well, and details are not described herein.
Further preferably, as shown in fig. 2 to 9, the double-sided wedge block 1 includes a first rod segment connected with the wedge drive unit 7 and having a length direction parallel to a linear driving direction of the wedge drive unit 7, and a second rod segment on which two wedge faces of the double-sided wedge block 1 are formed with an angle to the length direction of the first rod segment. The double-sided inclined wedge block 1 with the structure is easy to arrange, so that the second rod section is convenient to be matched with the positioning seat 3, the first rod section can be prolonged according to the surrounding space condition, the arrangement of the wedge block driving unit 7 is convenient, and the like.
Further, as shown in fig. 2-9, the positioner further comprises a second guide slideway 2, the first rod section is slidably disposed on the second guide slideway 2, the guide direction of the second guide slideway 2 is the same as the linear driving direction of the wedge block driving unit 7, and the second guide slideway 2 guides the linear reciprocating motion of the double-sided oblique wedge block 1, so that the running stability of the double-sided oblique wedge block 1 is ensured, and the accuracy of positioning and locking of the positioning piece 6 is ensured.
The included angle between the linear reciprocating stroke direction of the double-sided wedge block 1 and the linear reciprocating stroke direction of the positioning seat 3 can be any angle, for example, fig. 2 to 9 show the condition that the linear driving direction of the wedge block driving unit 7 and the sliding direction of the positioning seat 3 form an acute angle, a right angle or an obtuse angle. In the case where the double-sided sprag 1 is disposed outside the sliding plane of the positioning socket 3, for example, when the double-sided sprag 1 is disposed directly above the linear reciprocating path of the positioning socket 3, the linear driving direction of the sprag driving unit 7 and the sliding direction of the positioning socket 3 may be parallel to each other.
Further preferably, the positioner is further provided with a position detection mechanism for detecting the position of the positioning member 6, so as to ensure the accuracy of the positioning and locking operation of the positioning member 6 on the roller coating vehicle 9. As shown in fig. 2 to 9, in one embodiment, the position detecting mechanism includes two first detecting elements, and the two first detecting elements are in a proximity switch and sensing block matching type structure, wherein one first detecting element 10 is installed on the positioning seat 3, and the other first detecting element 11 is installed beside the sliding path of the positioning seat 3, and satisfies: when the positioning element 6 is in the locking position, the two first detecting elements are in a mutual induction state, and when the positioning element 6 is in other positions (that is, the positioning element 6 is separated from the positioning notch of the roller coating vehicle 9, and the positioning element 6 is in the unlocking position), the two first detecting elements are in a non-induction state. Of course, it is also possible to set the two first detecting elements to be in a non-inductive state when the positioning element 6 is in the locking position, and to set the two first detecting elements to be in a mutual inductive state when the positioning element 6 is in the unlocking position.
In another embodiment, the above object can also be achieved by detecting the linear reciprocating motion of the double-sided wedge block 1, specifically: this position detection mechanism includes two second detecting element, and two second detecting element are proximity switch and response piece cooperation formula structure, and wherein a second detecting element is installed on two-sided tapered wedge 1, and another second detecting element is installed by the slip route of 1 two-sided tapered wedge to satisfy: when the positioning member 6 is at the locking position, the two second detecting elements are in a mutual induction state, and when the positioning member 6 is at other positions, the two second detecting elements are in a non-induction state.
The position of the positioning piece 6 is detected by the position detection mechanism, so that the action of the wedge block driving unit 7 is conveniently guided, and the automatic control is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The roll coating unit comprises a plurality of roll coating vehicles which are arranged in series along the running direction of strip steel, each roll coating vehicle can be switched between a working position and a maintenance position in a translation mode, and the roll coating unit is characterized in that: at least one group of positioners for locking the roller coating vehicle are respectively arranged between every two adjacent working positions and between every two adjacent maintenance positions;
the positioner comprises a positioning seat, a positioning piece, a first guide slideway and a double-sided wedge block, wherein the positioning seat is slidably arranged on the first guide slideway, the positioning piece is arranged at the front end of the positioning seat, a bearing and driving groove for the double-sided wedge block to extend into is arranged on the positioning seat, the bearing and driving groove is provided with two bearing and driving surfaces which are sequentially arranged along the sliding direction of the positioning seat, and the two bearing and driving surfaces are inclined planes with included angles with the sliding direction of the positioning seat;
the double-sided wedge is connected with a wedge driving unit, thereby having: the wedge surface of the positioning piece slides on one bearing and driving surface to a first direction stroke that the double-sided wedge block gradually enters the bearing and driving groove, and at the tail end of the first direction stroke, the positioning seat is close to the corresponding roller coating vehicle and the positioning piece is inserted into a positioning notch of the roller coating vehicle; and enabling the other wedge surface to slide on the other bearing and driving surface to a second direction stroke that the double-sided wedge block gradually retreats from the bearing and driving groove, wherein at the tail end of the second direction stroke, the positioning seat is far away from the corresponding roller coating vehicle and the positioning piece is separated from the positioning notch of the roller coating vehicle.
2. The roll coating assembly of claim 1, wherein: the positioning seat is provided with a positioning ball in a spherical surface hinged mode, and the bearing driving groove is formed in the positioning ball.
3. The roll coating assembly of claim 1, wherein: the positioning base is rotatably embedded with a positioning turntable, and the bearing and driving groove is formed in the positioning turntable.
4. The roll coating assembly of claim 1, wherein: the double-sided wedge block comprises a first rod section and a second rod section, the first rod section is connected with the wedge block driving unit, the length direction of the first rod section is parallel to the linear driving direction of the wedge block driving unit, and two wedge faces of the double-sided wedge block are formed on the second rod section and form an included angle with the length direction of the first rod section.
5. The roll coating assembly of claim 4, wherein: the positioner further comprises a second guide slide way, the first rod section is arranged on the second guide slide way in a sliding mode, and the guide direction of the second guide slide way is the same as the linear driving direction of the wedge block driving unit.
6. The roll coating assembly of claim 1, wherein: the positioner is also provided with a position detection mechanism for detecting the position of the positioning piece.
7. The roll coater assembly according to claim 6 wherein said position sensing mechanism comprises two first sensing elements, said two first sensing elements being of a proximity switch and sensor block type, wherein one first sensing element is disposed on said positioning base, and the other first sensing element is disposed beside the sliding path of said positioning base, and satisfies: when the positioning piece is at the locking position, the two first detection elements are in a mutual induction state, and when the positioning piece is at other positions, the two first detection elements are in a non-induction state.
8. The roll coating assembly of claim 1, wherein: the inlet end and the outlet end of each working position are respectively provided with a plurality of positioners; and the inlet end and the outlet end of each maintenance position are respectively provided with a plurality of positioners.
9. The roll coating assembly of claim 1, wherein: the positioning piece is a positioning pin.
10. The roll coating assembly of claim 1, wherein: the wedge block driving unit comprises a hydraulic cylinder, an air cylinder or an electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669016.6U CN211385579U (en) | 2019-10-08 | 2019-10-08 | Roller coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669016.6U CN211385579U (en) | 2019-10-08 | 2019-10-08 | Roller coating unit |
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| Publication Number | Publication Date |
|---|---|
| CN211385579U true CN211385579U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921669016.6U Active CN211385579U (en) | 2019-10-08 | 2019-10-08 | Roller coating unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538763A (en) * | 2019-10-08 | 2019-12-06 | 中冶南方工程技术有限公司 | Roller coating unit |
| CN114405772A (en) * | 2022-01-28 | 2022-04-29 | 中钢集团西安重机有限公司 | Eave tile formula inclined plane locking device |
-
2019
- 2019-10-08 CN CN201921669016.6U patent/CN211385579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538763A (en) * | 2019-10-08 | 2019-12-06 | 中冶南方工程技术有限公司 | Roller coating unit |
| CN114405772A (en) * | 2022-01-28 | 2022-04-29 | 中钢集团西安重机有限公司 | Eave tile formula inclined plane locking device |
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