CN219861193U - Connector for transferring coke oven door - Google Patents
Connector for transferring coke oven door Download PDFInfo
- Publication number
- CN219861193U CN219861193U CN202321283556.7U CN202321283556U CN219861193U CN 219861193 U CN219861193 U CN 219861193U CN 202321283556 U CN202321283556 U CN 202321283556U CN 219861193 U CN219861193 U CN 219861193U
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- CN
- China
- Prior art keywords
- clamping arm
- coke oven
- oven door
- connecting seat
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000571 coke Substances 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 210000001503 joint Anatomy 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000008439 repair process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to a connector for transferring a coke oven door, which comprises an upper connector and a lower connector, wherein the upper connector consists of an upper connecting seat arranged at the center of the upper end of the coke oven door and an upper clamping arm mechanism arranged at the upper part of a main frame of a rotary lifting device; the upper clamping arm mechanism consists of an upper clamping arm and an upper clamping arm driving device; the lower clamping arm mechanism consists of a lower clamping arm and a lower clamping arm driving device; the upper connector and the lower connector are used for clamping the coke oven door on the main frame of the rotary lifting device, so that compared with a conventional rotary frame, the main maintenance part of the coke oven door is effectively prevented from being surrounded and shielded, and the coke oven door is convenient and quick to maintain; the connector provided by the utility model has the advantages of reasonable structure, accurate alignment and strong adaptability.
Description
Technical Field
The utility model relates to the technical field of coke oven door overhaul, in particular to a connector for transferring a coke oven door.
Background
In the coke oven production process, the main parts of the knife edge, the web plate, the lining brick, the spring and the like of the coke oven door are frequently required to be overhauled. The Chinese patent with the publication number of CN 106967447B discloses a rotary frame for a coke oven door repair station and a using method thereof, wherein the rotary frame comprises a main frame, an oven door carrier roller stopper, an oven door body stopper, an oven door hanging rod and/or a guide lug stopper and an oven door bolt stopper which are respectively arranged on the main frame; the middle part of the main frame is a holding space of the coke oven door, and the upper end and the lower end of the main frame are respectively coaxially provided with a rotary shaft for being matched with a power mechanism of a coke oven door repair station to realize lifting and rotating actions of the main frame and the coke oven door. During maintenance, the coke oven door is taken off by the coke oven vehicle and then sent to the oven door repair station, and is hung on a rotating frame of the coke oven door repair station, and the coke oven door rotates along with the rotating frame and is used for maintaining and detecting the knife edge of the oven door. However, the rotary frame is of a quadrilateral frame structure, the wrapping and shielding of all parts of the coke oven door are serious, the maintenance and replacement of the parts such as the web plate, the door bolt and the spring are very difficult, and the coke oven door can only be moved out of the rotary frame and put on the empty space for maintenance and replacement.
The Chinese patent with the authority of the publication number CN 104388102B discloses a rotary lifting device for repairing a coke oven door, which comprises a main frame, a docking mechanism, a rotary mechanism, a lifting mechanism, a running mechanism and a control system, wherein the docking mechanism and the rotary mechanism are arranged on the main frame, the main frame is connected with the running mechanism through the lifting mechanism, the running mechanism can move along a ground guide rail, and the control system controls the mechanisms to complete docking clamping, rotation, lifting and running actions of the coke oven door and running actions of a running trolley. The main frame with the single-side frame structure is adopted, so that all parts of the furnace door are more convenient to maintain, and the maintenance efficiency is high. The butt joint mechanism consists of an upper butt joint, a lower butt joint and a butt joint driver, wherein the upper butt joint and the lower butt joint are respectively fixed on the inner side of the extension arm of the main frame, and can finish the butt joint and clamping actions of the upper end and the lower end of the furnace door body casting of the focusing furnace under the driving of the butt joint driver. However, it does not describe how the main frame interfaces with the oven door in particular.
Disclosure of Invention
The utility model provides a connector for transferring a coke oven door, which clamps the coke oven door on a main frame of a rotary lifting device through an upper connector and a lower connector, and compared with a conventional rotary frame, the connector effectively avoids the main maintenance part of the coke oven door from being surrounded and shielded, and the overhaul of the coke oven door is convenient and quick; the connector provided by the utility model has the advantages of reasonable structure, accurate alignment and strong adaptability.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the upper connector consists of an upper connecting seat arranged at the upper end of the coke oven door and an upper clamping arm mechanism arranged at the upper part of a main frame of the rotary lifting device, and the lower connector consists of a lower connecting seat arranged at the lower end of the coke oven door and a lower clamping arm mechanism arranged at the lower part of the main frame of the rotary lifting device; the main frame of the rotary lifting device is of a U-shaped unilateral frame structure; the upper clamping arm mechanism consists of an upper clamping arm and an upper clamping arm driving device; the lower clamping arm mechanism consists of a lower clamping arm and a lower clamping arm driving device; the upper clamping arm driving device and the lower clamping arm driving device have the same structure and are composed of a telescopic sleeve, a sliding block, a linear driver, a rotating shaft and a rotating driver; the upper cross beam and the lower cross beam of the main frame are respectively provided with a transverse mounting groove and a vertical mounting hole; the rotary driver and the linear driver are both arranged in the transverse mounting groove, and the moving end of the linear driver is connected with the sliding block; the telescopic sleeves are arranged in the vertical mounting holes, and the upper clamping arms and the lower clamping arms are respectively arranged in the positioning holes of the corresponding telescopic sleeves; the non-clamping ends of the upper clamping arm and the lower clamping arm are respectively connected with corresponding rotating shafts through splines, and the rotating shafts are connected with corresponding rotating drivers; one end of the telescopic sleeve is in sliding connection with the sliding block, and the sliding surface is an inclined surface; the sliding block is provided with a notch at the position where the corresponding rotating shaft passes through along the moving direction; under the action of the linear driver, the sliding block moves and drives the upper clamping arm and the lower clamping arm to extend or retract towards the inner side of the main frame through the telescopic sleeve; under the action of the rotary driver, the rotary shaft drives the corresponding upper clamping arm and lower clamping arm to rotate through spline connection so as to realize the rotation of the clamped coke oven door.
Further, the upper connecting seat and the coke oven door as well as the lower connecting seat and the coke oven door are all detachably connected.
Further, the upper connecting seat consists of an upper connecting seat body and an upper connecting plate which are integrally formed, and the lower connecting seat consists of a lower connecting seat body and a lower connecting plate which are integrally formed; the upper connecting plate is fixedly connected with the coke oven door, and the lower connecting plate is fixedly connected with the coke oven door through bolts.
Further, the upper connecting seat and the lower connecting seat are of outward contracted frustum structures, the butt joint end of the upper clamping arm and the upper connecting seat is provided with an upper sleeve, the butt joint end of the lower clamping arm and the lower connecting seat is provided with a lower sleeve, and the upper sleeve and the lower sleeve are respectively provided with a conical hole matched with the frustum structures.
Further, the upper connecting seat and the lower connecting seat are respectively provided with an outwards-enlarged conical hole, and the butt joint end of the upper clamping arm and the upper connecting seat and the butt joint end of the lower clamping arm and the lower connecting seat are respectively provided with a frustum structure matched with the conical holes.
Further, the telescopic sleeve is of an inner circular and outer square structure, and the vertical mounting holes on the main frame are square holes matched with each other.
Further, bearings are arranged between the upper clamping arm, the lower clamping arm and the mounting holes of the corresponding telescopic sleeves.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the conventional rotating frame, the main maintenance parts (comprising a furnace door knife edge, a web plate, lining bricks, springs and the like) of the coke oven door are effectively prevented from being surrounded and shielded, and the maintenance of the coke oven door is convenient and quick; the connector provided by the utility model has the advantages of reasonable structure, accurate alignment and strong adaptability.
Drawings
Fig. 1 is a schematic view of a connector for transferring a coke oven door according to the first embodiment of the present utility model.
Fig. 2 is a schematic diagram of a connector for transferring a coke oven door according to the second embodiment of the present utility model.
Fig. 3 is a schematic view showing a state that the upper clamping arm/lower clamping arm of the present utility model is extended to the inside of the main frame.
Fig. 4 is a schematic view showing a state that the upper/lower clamp arms of the present utility model are retracted to the outside of the main frame.
In the figure: 1. coke oven door 2, main frame 3, upper connecting seat 4, upper clamping arm 5, lower connecting seat 6, lower clamping arm 7, telescopic sleeve 8, slide block 9, linear driver 10, rotary shaft 11, rotary driver
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1, 2, 3 and 4, the connector for transferring a coke oven door of the present utility model comprises an upper connector and a lower connector which are symmetrically arranged, wherein the upper connector is composed of an upper connecting seat 3 arranged at the upper end of the coke oven door 1 and an upper clamping arm mechanism arranged at the upper part of a main frame 2 of a rotary lifting device, and the lower connector is composed of a lower connecting seat 5 arranged at the lower end of the coke oven door 1 and a lower clamping arm mechanism arranged at the lower part of the main frame 2 of the rotary lifting device; the main frame 2 of the rotary lifting device is of a U-shaped unilateral frame structure; the upper clamping arm mechanism consists of an upper clamping arm 4 and an upper clamping arm driving device; the lower clamping arm mechanism consists of a lower clamping arm 6 and a lower clamping arm driving device; the upper clamping arm driving device and the lower clamping arm driving device have the same structure and are composed of a telescopic sleeve 7, a sliding block 8, a linear driver 9, a rotating shaft 10 and a rotating driver 11; the upper cross beam and the lower cross beam of the main frame 2 are provided with transverse mounting grooves and vertical mounting holes; the rotary driver 11 and the linear driver 9 are arranged in the transverse mounting groove, and the moving end of the linear driver 9 is connected with the sliding block 8; the telescopic sleeves 7 are arranged in the vertical mounting holes, and the upper clamping arms 4 and the lower clamping arms 6 are respectively arranged in the positioning holes of the corresponding telescopic sleeves 7; the non-clamping ends of the upper clamping arm 4 and the lower clamping arm 6 are respectively in spline connection with corresponding rotating shafts 10, and the rotating shafts 10 are connected with corresponding rotating drivers 11; one end of the telescopic sleeve 7 is in sliding connection with the sliding block 8, and the sliding surface is an inclined surface; the sliding block 8 is provided with a notch at the passing position of the corresponding rotating shaft 10 along the moving direction; under the action of the linear driver 11, the sliding block 8 moves and drives the upper clamping arm 4 and the lower clamping arm 6 to extend or retract towards the inner side of the main frame 2 through the telescopic sleeve 7; under the action of the rotary driver 11, the rotary shaft 10 drives the corresponding upper clamping arm 4 and lower clamping arm 6 to rotate through spline connection so as to realize the rotation of the clamped coke oven door 1.
Further, the upper connecting seat 3 is detachably connected with the coke oven door 1, and the lower connecting seat 5 is detachably connected with the coke oven door 1.
Further, the upper connecting seat 3 is composed of an upper connecting seat body and an upper connecting plate which are integrally formed, and the lower connecting seat 5 is composed of a lower connecting seat body and a lower connecting plate which are integrally formed; the upper connecting plate is fixedly connected with the coke oven door 1, and the lower connecting plate is fixedly connected with the coke oven door 1 through bolts.
Further, as shown in fig. 1, the upper connecting seat 3 and the lower connecting seat 5 are of an outward shrinking frustum structure, the butt joint end of the upper clamping arm 4 and the upper connecting seat 3 is provided with an upper sleeve, the butt joint end of the lower clamping arm 6 and the lower connecting seat 5 is provided with a lower sleeve, and both the upper sleeve and the lower sleeve are provided with conical holes matched with the frustum structure.
Further, as shown in fig. 2, the upper connecting seat 3 and the lower connecting seat 5 are respectively provided with an outwards enlarged tapered hole, and the butt joint end of the upper clamping arm 4 with the upper connecting seat 3 and the butt joint end of the lower clamping arm 6 with the lower connecting seat 5 are respectively provided with a frustum structure matched with the tapered holes.
Further, the telescopic sleeve 7 is of an inner circle and outer square structure, and the vertical mounting holes on the main frame 2 are square holes matched with each other.
Further, bearings are arranged between the upper clamping arm 4, the lower clamping arm 6 and the mounting holes of the corresponding telescopic sleeves 7.
The connector for transferring the coke oven door comprises an upper connector and a lower connector, wherein the upper connector is arranged between the upper end of a coke oven door 1 and a main frame 2 of a rotary lifting device, and the lower connector is arranged between the lower end of the coke oven door 1 and the main frame 2 of the rotary lifting device and is used for clamping the coke oven door 1 on the main frame 2 of the rotary lifting device.
In the connector for transferring the coke oven door, an upper connecting seat 3 in an upper connector is in plug-in fit with an upper clamping arm 4 of an upper clamping arm mechanism, a lower connecting seat 5 in a lower connector is in plug-in fit with a lower clamping arm 6 of a lower clamping arm mechanism, and two plug-in structures are arranged.
First kind grafting structure: the upper connecting seat 3 and the lower connecting seat 5 arranged on the coke oven door 1 are of frustum structures, and the corresponding upper clamping arm 4 and lower clamping arm 6 are provided with matched conical holes.
The second kind of grafting structure: the upper connecting seat 3 and the lower connecting seat 5 arranged on the coke oven door 1 are respectively provided with a taper hole, and the corresponding upper clamping arm 4 and lower clamping arm 6 are respectively provided with a matched taper table structure.
The application method of the connector for transferring the coke oven door comprises the following steps:
the coke oven door 1 is taken off from the carbonization chamber by a coke oven vehicle and then sent to an oven door repair station, an upper connecting seat 3 is arranged at the center of the upper end of the coke oven door 1, and a lower connecting seat 5 is arranged at the center of the lower end of the coke oven door; an upper clamping arm mechanism is mounted on the upper cross beam of the main frame 2 of the rotary lifting device, and a lower clamping arm mechanism is mounted on the lower cross beam of the main frame 2 of the rotary lifting device. After aligning the axes and angles of the upper clamping arm 4 and the lower clamping arm 5 in the upper connecting seat 3 and the upper clamping arm mechanism and the lower clamping arm 6 in the lower clamping arm mechanism, starting the upper clamping arm driving device and the lower clamping arm driving device, enabling the upper clamping arm 4 and the lower clamping arm 6 to extend towards the inner side of the main frame 2 at the same time, respectively approaching the upper connecting seat 3 and the lower connecting seat 5, realizing the clamping and fixing of the main frame 2 of the rotary lifting device to the coke oven door 1 after plugging, and then carrying out overhaul operation of the coke oven door 1. In the overhaul process, after the rotary driver 11 is started, rotary power is transmitted to the upper clamping arm 4 and the lower clamping arm 6 by utilizing the spline on the rotary shaft 10, so that the upper clamping arm 4 and the lower clamping arm 6 rotate around the central line of the telescopic sleeve 7, and the function of rotating the main frame 2 of the lifting device to clamp the coke oven door 1 is realized.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present utility model, but the scope of the present utility model is not limited to the following examples.
[ example 1 ]
As shown in fig. 1, 3 and 4, in the present embodiment, the connector for transferring the coke oven door includes an upper connector and a lower connector, the upper connector is composed of an upper connecting seat 3 disposed at the upper end of the coke oven door 1 and an upper clamping arm mechanism disposed at the upper portion of the main frame 2 of the rotary lifting device, and the lower connector is composed of a lower connecting seat 5 disposed at the lower end of the coke oven door 1 and a lower clamping arm mechanism disposed at the lower portion of the main frame 2 of the rotary lifting device.
The main frame 2 of the rotary lifting device is of a U-shaped single-side frame structure.
The upper clamping arm mechanism consists of an upper clamping arm 4 and an upper clamping arm driving device; the lower clamping arm mechanism consists of a lower clamping arm 6 and a lower clamping arm driving device; the upper clamping arm driving device and the lower clamping arm driving device are composed of a telescopic sleeve 7, a sliding block 8, a linear driver 9, a rotating shaft 10 and a rotating driver 11.
In this embodiment, the telescopic sleeve 7 is square outside the inner circle and is slidably connected with the slide block 8 through an inclined plane. The non-clamping ends of the upper clamping arm 4 and the lower clamping arm 6 are provided with spline keyways which are matched with the spline keyways on the rotating shaft 10 to form spline connection.
When the linear driver 9 drives the sliding block 8 to move, the telescopic sleeve 7 is driven to stretch and retract together with the upper clamping arm 4 and the lower clamping arm 6 in square holes correspondingly formed in the main frame 2, so that the main frame 2 of the rotary lifting device is clamped and fixed on the furnace door 1 of the focusing furnace.
Under the action of the rotary driver 11, the upper clamping arm 4 and the lower clamping arm 6 can rotate around the central line of the telescopic sleeve 7 along with the rotary shaft 10 in the positioning hole of the telescopic sleeve 7, so that the main frame 2 of the rotary lifting device can clamp the coke oven door 1 for rotation.
The upper connecting seat 3 consists of an upper connecting seat body and an upper connecting plate which are integrally formed, and the lower connecting seat 5 consists of a lower connecting seat body and a lower connecting plate which are integrally formed; the upper connecting plate is fixedly connected with the coke oven door 1, and the lower connecting plate is fixedly connected with the coke oven door 1 through bolts.
In this embodiment, the upper connecting seat 3 and the lower connecting seat 5 are both of an outward shrinking frustum structure, the butt joint ends of the upper clamping arm 4 and the upper connecting seat 3 are provided with an upper sleeve, the butt joint ends of the lower clamping arm 6 and the lower connecting seat 5 are provided with a lower sleeve, and the upper sleeve and the lower sleeve are both provided with conical holes matched with the frustum structure.
[ example 2 ]
As shown in fig. 2, 3 and 4, in this embodiment, the structure of the connector for transferring the oven door of the coke oven is basically the same as that of embodiment 1, except that: in this embodiment, the upper connecting seat 3 and the lower connecting seat 5 are respectively provided with tapered holes that expand outwards, and the butt joint ends of the upper clamping arm 4 and the upper connecting seat 3 and the butt joint ends of the lower clamping arm 6 and the lower connecting seat 5 are respectively provided with a frustum structure that is matched with the tapered holes.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The connector for transferring the coke oven door is characterized by comprising an upper connector and a lower connector which are symmetrically arranged, wherein the upper connector consists of an upper connecting seat arranged at the upper end of the coke oven door and an upper clamping arm mechanism arranged at the upper part of a main frame of a rotary lifting device, and the lower connector consists of a lower connecting seat arranged at the lower end of the coke oven door and a lower clamping arm mechanism arranged at the lower part of the main frame of the rotary lifting device; the main frame of the rotary lifting device is of a U-shaped unilateral frame structure; the upper clamping arm mechanism consists of an upper clamping arm and an upper clamping arm driving device; the lower clamping arm mechanism consists of a lower clamping arm and a lower clamping arm driving device; the upper clamping arm driving device and the lower clamping arm driving device have the same structure and are composed of a telescopic sleeve, a sliding block, a linear driver, a rotating shaft and a rotating driver; the upper cross beam and the lower cross beam of the main frame are respectively provided with a transverse mounting groove and a vertical mounting hole; the rotary driver and the linear driver are both arranged in the transverse mounting groove, and the moving end of the linear driver is connected with the sliding block; the telescopic sleeves are arranged in the vertical mounting holes, and the upper clamping arms and the lower clamping arms are respectively arranged in the positioning holes of the corresponding telescopic sleeves; the non-clamping ends of the upper clamping arm and the lower clamping arm are respectively connected with corresponding rotating shafts through splines, and the rotating shafts are connected with corresponding rotating drivers; one end of the telescopic sleeve is in sliding connection with the sliding block, and the sliding surface is an inclined surface; the sliding block is provided with a notch at the position where the corresponding rotating shaft passes through along the moving direction; under the action of the linear driver, the sliding block moves and drives the upper clamping arm and the lower clamping arm to extend or retract towards the inner side of the main frame through the telescopic sleeve; under the action of the rotary driver, the rotary shaft drives the corresponding upper clamping arm and lower clamping arm to rotate through spline connection so as to realize the rotation of the clamped coke oven door.
2. The connector for transferring coke oven doors according to claim 1, wherein the upper connecting seat is detachably connected with the coke oven door, and the lower connecting seat is detachably connected with the coke oven door.
3. The connector for transferring a coke oven door according to claim 2, wherein the upper connecting seat is composed of an upper connecting seat body and an upper connecting plate of an integral structure, and the lower connecting seat is composed of a lower connecting seat body and a lower connecting plate of an integral structure; the upper connecting plate is fixedly connected with the coke oven door, and the lower connecting plate is fixedly connected with the coke oven door through bolts.
4. The connector for transferring coke oven door according to claim 1, wherein the upper connecting seat and the lower connecting seat are of an outward shrinking frustum structure, the upper clamping arm is provided with an upper sleeve at the butt joint end with the upper connecting seat, the lower clamping arm is provided with a lower sleeve at the butt joint end with the lower connecting seat, and the upper sleeve and the lower sleeve are both provided with conical holes matched with the frustum structure.
5. The connector for transferring coke oven door according to claim 1, wherein the upper connecting seat and the lower connecting seat are respectively provided with a conical hole which is enlarged outwards, and the butt joint end of the upper clamping arm and the butt joint end of the lower connecting seat are respectively provided with a frustum structure matched with the conical holes.
6. The connector for transferring a coke oven door according to claim 1, wherein the telescopic sleeve has an inner-circle and outer-square structure, and the vertical mounting hole on the main frame is a matched square hole.
7. The connector for transferring a coke oven door according to claim 1, wherein bearings are provided between the upper and lower clamping arms and the mounting holes of the corresponding telescopic sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283556.7U CN219861193U (en) | 2023-05-25 | 2023-05-25 | Connector for transferring coke oven door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283556.7U CN219861193U (en) | 2023-05-25 | 2023-05-25 | Connector for transferring coke oven door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219861193U true CN219861193U (en) | 2023-10-20 |
Family
ID=88324902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321283556.7U Active CN219861193U (en) | 2023-05-25 | 2023-05-25 | Connector for transferring coke oven door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219861193U (en) |
-
2023
- 2023-05-25 CN CN202321283556.7U patent/CN219861193U/en active Active
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