CN216966266U - Interlocking mechanism of molten iron transfer trolley - Google Patents
Interlocking mechanism of molten iron transfer trolley Download PDFInfo
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- CN216966266U CN216966266U CN202121820361.2U CN202121820361U CN216966266U CN 216966266 U CN216966266 U CN 216966266U CN 202121820361 U CN202121820361 U CN 202121820361U CN 216966266 U CN216966266 U CN 216966266U
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- molten iron
- baffle
- iron transfer
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Abstract
The utility model provides an interlocking mechanism of a molten iron transfer trolley, wherein a telescopic mechanism is arranged on one molten iron transfer trolley, and a first baffle plate component is arranged on the other molten iron transfer trolley; the telescopic rod is connected with the telescopic guide seat in a sliding way; the telescopic driving shaft is rotatably connected with the corresponding molten iron transfer trolley; the telescopic driving shaft drives the connecting rod mechanism to move; the connecting rod mechanism drives the telescopic rod to horizontally slide on the telescopic guide seat; the first baffle rotating shaft is rotatably connected with a corresponding molten iron transfer trolley; the first baffle is fixedly connected with the first baffle rotating shaft; when the telescopic link stretches out this molten iron transfer cart, the first locking groove card on the first baffle is on the telescopic link. The device has the advantages that the position of the transfer trolley is prevented from deviating, and the whole system is ensured to run stably; the safe reliability of the ladle in the transfer process of the two transfer vehicles is improved, and the occurrence of safety accidents is prevented.
Description
Technical Field
The utility model relates to an interlocking mechanism of a molten iron transfer trolley.
Background
In the prior molten iron transfer system, after two transfer vehicles are in butt joint, the molten iron ladle can be vibrated, the positions of the transfer vehicles move and the molten iron ladle can not be normally transferred in the process of transferring the molten iron ladle from one transfer vehicle to the other transfer vehicle through a roller way. Under extreme conditions, the conditions of overlarge trolley position deviation, sensor misjudgment and the like can occur, so that the whole system stops.
SUMMERY OF THE UTILITY MODEL
According to the interlocking mechanism for the molten iron transfer vehicles, two transfer vehicles are interlocked after the two transfer vehicles are butted, so that the position of the transfer vehicle is prevented from being shifted, and the integral operation stability of a system is guaranteed; the safety and the reliability of the ladle in the transfer process of the two transfer vehicles are improved, and safety accidents are prevented; to overcome the disadvantages of the prior art.
The utility model provides a molten iron transfer trolley interlocking mechanism, comprising: the telescopic mechanism 1 and the first baffle plate component 2; the telescopic mechanism 1 is arranged on one molten iron transfer trolley, and the first baffle plate component 2 is arranged on the other molten iron transfer trolley; the telescopic mechanism 1 includes: the telescopic guide seat 11, the telescopic rod 12, the telescopic driving shaft 13 and the connecting rod mechanism; the telescopic guide seat 11 is fixed on a corresponding molten iron transfer trolley; the telescopic rod 12 is connected with the telescopic guide seat 11 in a sliding way; the telescopic driving shaft 13 is rotatably connected with a corresponding molten iron transfer trolley; the telescopic driving shaft 13 is connected with the connecting rod mechanism and drives the connecting rod mechanism to move; the connecting rod mechanism is connected with the telescopic rod 12 and drives the telescopic rod 12 to horizontally slide on the telescopic guide seat 11; the first shutter assembly 2 includes a first shutter rotational shaft 21 and a first shutter 22; the first baffle rotating shaft 21 is rotatably connected with a corresponding molten iron transfer trolley; the first baffle 22 is fixedly connected with the first baffle rotating shaft 21; the first baffle plate 22 is provided with a first locking groove 22a, and the first locking groove 22a is matched with the shape of the telescopic rod 12; when the telescopic rod 12 is extended out of the molten iron transfer car, the first locking groove 22a of the first blocking plate 22 is clamped on the telescopic rod 12.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which can also have the following characteristics: the other end of the telescopic rod 12 is provided with a locking plate 16; the maximum external dimension of the locking plate 16 is larger than the diameter of the telescopic rod 12; when the first locking groove 22a is caught on the telescopic bar 12, the first blocking plate 22 is closely adjacent to the locking plate 16.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which may further have the following features: when the first locking groove 22a is clamped on the telescopic rod 12, the highest position of the first baffle plate 22 is lower than the conveying surface of the molten iron transfer trolley; when the first baffle 22 rotates by a set angle, the highest position of the first baffle 22 is higher than the conveying surface of the molten iron transfer trolley.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which may further have the following features: the telescopic guide seat 11 comprises two suspension legs 11a and 11 b; both the suspension legs 11a, 11b have suspension holes; the size of the hanging hole is matched with that of the telescopic rod 12; the telescopic rod 12 passes through the hanging holes of the two hanging legs 11a, 11b and can horizontally move in the hanging holes.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which may further have the following features: the telescopic mechanism 1 further comprises a limiting plate 17 and a limiting piece 18; the limiting piece 18 is fixed on the suspension leg 11b close to the telescopic connecting rod 15; the limiting plate 17 is sleeved on the telescopic rod 12 and fixedly connected with the telescopic rod; the limit plate 17 moves horizontally along with the telescopic rod 12 until the position of the limit piece 18, namely the limit position of the telescopic rod 12 extending out.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which can also have the following characteristics: the link mechanism comprises a telescopic driving rod 14 and a telescopic connecting rod 15; one end of the telescopic driving rod 14 is fixed on the telescopic driving shaft 13, and the other end is rotatably connected with one end of the telescopic connecting rod 15; the other end of the telescopic connecting rod 15 is rotatably connected with one end of the telescopic rod 12.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which can also have the following characteristics: a second baffle assembly 3; the second baffle component 3 and the telescopic mechanism 1 are arranged on the same molten iron transfer trolley; the second shutter assembly 3 includes a second shutter rotational shaft 31 and a second shutter 32; the second baffle rotating shaft 31 is rotatably connected with a corresponding molten iron transfer trolley; the second baffle 32 is fixedly connected with the second baffle rotating shaft 31; the second baffle 32 is provided with a second locking groove 32a, and the second locking groove 32a is matched with the shape of the telescopic rod 12; the second locking groove 32a of the second baffle 32 can be clamped on the telescopic rod 12; when the second locking groove 32a of the second baffle 32 is clamped on the telescopic rod 12, the highest position of the second baffle 32 is lower than the conveying surface of the molten iron transfer trolley; after the second baffle 32 rotates by a set angle, the highest position of the second baffle 32 is higher than the conveying surface of the molten iron transfer trolley.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which can also have the following characteristics: the telescoping mechanism 1 further comprises a telescoping drive motor 19; the second baffle assembly 3 further includes a second 90 ° rotary shaft 33; the telescopic driving motor 19 drives the telescopic driving shaft 13 to rotate; the telescopic driving shaft 13 also drives the input shaft of the second 90-degree rotating shaft device 33 to rotate; the output shaft of the second 90 ° coupling 33 drives the second shutter rotating shaft 31 to rotate.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which may further have the following features: the first baffle 22 is the same shape as the second baffle 32; the first baffle 22 and the second baffle 32 are in an axisymmetrical structure; the first shutter 22 has first locking grooves 22a at both sides; the second shutter 32 has second locking grooves 32a at both sides.
Further, the present invention provides an interlocking mechanism of a molten iron transfer car, which may further have the following features: the rotation angle of the first baffle and the second baffle is 90 degrees.
Drawings
FIG. 1 is a schematic view showing the molten iron transfer state of two molten iron transfer vehicles in the embodiment.
Fig. 2 is a schematic top view showing the interlocking state of two molten iron transfer vehicles in the embodiment.
Fig. 3 is a plan view showing a contracted state of the telescopic mechanism of the molten iron transfer vehicle X in the embodiment.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a left side view showing a contracted state of the telescopic mechanism of the molten iron transfer vehicle X in the embodiment.
Fig. 6 is a schematic structural view of the telescoping mechanism in the embodiment.
Fig. 7 is a partial structural view of the molten iron transfer vehicle Y in the embodiment.
Fig. 8 is a right side view of the molten iron transfer vehicle Y in the embodiment.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
Examples
In the embodiment, two molten iron transfer vehicles are taken as an example to explain the mechanism and the working principle of the interlocking mechanism of the molten iron transfer vehicles. The two molten iron transfer vehicles are respectively a molten iron transfer vehicle X and a transfer vehicle Y.
The interlocking mechanism of the molten iron transfer trolley comprises: a telescoping mechanism 1 and a first baffle assembly 2. In this embodiment, the telescopic mechanism 1 is provided on the molten iron transfer vehicle X, and the first barrier assembly 2 is provided on the molten iron transfer vehicle Y, as shown in fig. 1 and 2.
In this embodiment, the telescopic mechanism 1 includes: the telescopic mechanism comprises a telescopic guide seat 11, a telescopic rod 12, a telescopic driving shaft 13, a link mechanism, a limit plate 17, a limit piece 18 and a telescopic driving motor 19. The link mechanism includes a telescopic driving rod 14 and a telescopic connecting rod 15.
The telescopic guide seat 11 is fixed on the molten iron transfer trolley X through a fastener. The telescopic guide 11 includes: two suspension feet 11a, 11 b. Both the suspension legs 11a, 11b have suspension holes; the size of the hanging hole is matched with the size of the telescopic rod 12. The telescopic rod 12 passes through the hanging holes of the two hanging legs 11a and 11b and can horizontally move in the hanging holes, so that the telescopic rod 12 is slidably connected with the telescopic guide seat 11. The other end of the telescopic rod 12 is provided with a locking plate 16; the maximum outer dimension of the locking plate 16 is larger than the diameter of the telescopic rod 12.
The telescopic driving motor 19 is fixed on one side of the molten iron transfer trolley X. The telescopic driving shaft 13 is rotatably connected with the molten iron transfer trolley X through a bearing; and the telescopic driving shaft 13 is fixedly connected with an output shaft of the telescopic driving motor 19 and is driven to rotate by the telescopic driving motor 19. One end of the telescopic driving rod 14 is fixed on the circumference of the telescopic driving shaft 13, and the other end is rotatably connected with one end of the telescopic connecting rod 15 through a shaft hole structure. The other end of the telescopic connecting rod 15 is rotatably connected with one end of the telescopic rod 12 through a shaft hole structure.
The stopper 18 is fixed to the suspension leg 11b near the telescopic link 15. The limiting plate 17 is sleeved on the telescopic rod 12 and fixedly connected with the telescopic rod. The limit plate 17 moves horizontally along with the telescopic rod 12 until the position of the limit piece 18, namely the limit position of the telescopic rod 12 extending out.
In the present embodiment, as shown in fig. 7 and 8, the first shutter assembly 2 includes a first shutter rotating shaft 21, a first shutter 22, a first drive motor 23, and a first 90 ° coupling 24.
The first driving motor 23 is fixed to one side of the molten iron transfer vehicle Y. The output shaft of the first drive motor 23 is fixedly connected to the input shaft of the first 90 ° coupling 24 via a coupling. The output shaft of the first 90 ° coupling 24 is fixedly connected to the first baffle rotary shaft 21 via the coupling. The first baffle rotating shaft 21 is rotatably connected with the molten iron transfer trolley Y through a bearing. The first shutter 22 is fixedly connected to the first shutter rotational shaft 21.
The first baffle 22 has an axisymmetrical structure, and both sides of the first baffle 22 have first locking grooves 22a, and the first locking grooves 22a match with the shape of the telescopic rod 12. When the telescopic rod 12 is extended out of the molten iron transfer cart, the first locking groove 22a of the first blocking plate 22 is caught on the telescopic rod 12, and when the first locking groove 22a is caught on the telescopic rod 12, the first blocking plate 22 is closely adjacent to the locking plate 16.
In addition, in this embodiment, the interlocking mechanism of the molten iron transfer trolley further comprises a second baffle assembly 3, as shown in fig. 5. The second baffle component 3 and the telescopic mechanism 1 are arranged on the same molten iron transfer trolley X. The second shutter member 3 includes a second shutter rotational shaft 31, a second shutter 32, and a second 90 ° rotary shaft 33.
As shown in fig. 3, the telescopic driving shaft 13 is fixedly connected with the input shaft of the second 90 ° rotary shaft device 33 through a coupling 34, and drives the input shaft of the second 90 ° rotary shaft device 33 to rotate; an output shaft of the second 90 ° coupling 33 is fixedly connected to the second shutter rotating shaft 31 through a coupling 35, and drives the second shutter rotating shaft 31 to rotate. The second baffle rotating shaft 31 is rotatably connected with the molten iron transfer trolley X through a bearing. The second shutter 32 is fixedly connected to the second shutter rotating shaft 31.
The second baffle 32 has the same shape as the first baffle 22 and is also of an axisymmetric structure; the two sides of the telescopic rod are provided with second locking grooves 32a, and the second locking grooves 32a are matched with the shape of the telescopic rod 12. The second locking groove 32a of the second blocking plate 32 can also be locked on the telescopic rod 12.
In this embodiment, the first baffle and the second baffle are both rotated by a designated angle of 90 degrees. In addition, the angle that the telescopic driving shaft 13 needs to rotate at the front and rear limit positions of the telescopic rod 12 is also 90 degrees. In this embodiment, the telescopic driving motor 19 and the first driving motor 23 are both provided with a positioning sensor for controlling the rotation angle, and when the telescopic driving motor 19 or the first driving motor 23 rotates to a specified angle, i.e. 90 degrees, the corresponding positioning sensor is triggered, and the telescopic driving motor 19 or the first driving motor 23 stops.
In this embodiment, the molten iron transfer vehicle X and the molten iron transfer vehicle Y are transported by transport rollers to transport the ladle T. The highest level position of the conveying roller forms a conveying surface.
The working principle of the interlocking mechanism of the molten iron transfer trolley is as follows:
when the molten iron transfer vehicle X and the molten iron transfer vehicle Y are in a moving state, as shown in fig. 1, 5 and 8, the second barrier 32 of the second barrier assembly 3 of the molten iron transfer vehicle X is in a vertically upward state, i.e., the highest position of the second barrier 32 is higher than the conveying surface of the molten iron transfer vehicle, so as to prevent the molten iron ladle T from slipping down. Likewise, the first barrier 22 of the first barrier assembly 2 of the molten iron transfer vehicle Y is also in a vertically upward state, i.e., the uppermost position of the first barrier 22 is higher than the conveying surface of the molten iron transfer vehicle.
When the ladle T needs to be transported, as shown in fig. 1 and 2, after the molten iron transfer vehicle X and the molten iron transfer vehicle Y are butted, the telescopic mechanism 1 of the molten iron transfer vehicle X drives the telescopic driving shaft 13 to rotate through the telescopic driving motor 19, so that the link mechanism pushes out the telescopic rod 12. And simultaneously, the telescopic driving shaft 13 drives the second 90-degree rotating shaft 33, so that the second baffle 32 is rotated and opened. When the rotating shaft rotates to a designated angle of 90 degrees, a positioning sensor on the telescopic driving motor 19 is triggered, and the telescopic driving motor 19 is driven. At this time, when the second locking groove 32a of the second barrier 32 is caught on the telescopic bar 12, the highest position of the second barrier 32 is lower than the conveying surface of the molten iron transfer car.
Then, the first driving motor 23 of the first barrier assembly 2 of the molten iron transfer vehicle Y drives the first barrier rotating shaft 21 to rotate through the first 90 ° coupling 24, and finally drives the first barrier 22 to rotate. When the rotation reaches a designated angle of 90 degrees, the registration sensor 3 on the first drive motor 23 is triggered and the first drive motor 23 stops. At this time, when the first locking groove 22a is clamped on the telescopic rod 12, the highest position of the first baffle 22 is lower than the conveying surface of the molten iron transfer trolley; and the first stop 22 is immediately adjacent the locking plate 16. The molten iron transfer trolley X and the molten iron transfer trolley Y are mutually locked, and the conveying roller on the molten iron transfer trolley rotates to start to transfer the ladle T.
After the transfer of the ladle T is completed, the first driving motor 23 on the molten iron transfer vehicle Y drives the first baffle rotating shaft 21 to rotate reversely through the first 90-degree rotating shaft 24, so that the first baffle 22 rotates reversely. When the molten iron is rotated to a specified angle of 90 degrees, the positioning sensor of the first driving motor 23 is triggered, the first driving motor 23 is stopped, and the highest position of the first baffle 22 is higher than the conveying surface of the molten iron transfer trolley. The molten iron transfer vehicle X and the molten iron transfer vehicle Y are unlocked at this time.
The telescopic driving motor 19 of the molten iron transfer trolley X drives the telescopic driving shaft 13 to rotate reversely, so that the connecting rod mechanism retracts the telescopic rod 12. And simultaneously the telescopic driving shaft 13 drives the second 90-degree rotating shaft device 33 to enable the second baffle plate 8 to rotate and open. When the position sensor 3 on the telescopic driving motor 19 is triggered when the position sensor rotates to a specified angle of 90 degrees, the telescopic driving motor 19 stops, and at the moment, the highest position of the second baffle 32 is higher than the conveying surface of the molten iron transfer trolley.
The embodiments described above are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a molten iron transfer car (buggy) interlocking mechanism which characterized in that: comprises a telescopic mechanism (1) and a first baffle plate component (2);
the telescopic mechanism (1) is arranged on one molten iron transfer trolley, and the first baffle plate assembly (2) is arranged on the other molten iron transfer trolley;
the telescoping mechanism (1) comprises: the telescopic guide seat (11), the telescopic rod (12), the telescopic driving shaft (13) and the connecting rod mechanism;
The telescopic guide seats (11) are fixed on the corresponding molten iron transfer trolley;
the telescopic rod (12) is connected with the telescopic guide seat (11) in a sliding manner;
the telescopic driving shaft (13) is rotatably connected with the corresponding molten iron transfer trolley;
the telescopic driving shaft (13) is connected with the connecting rod mechanism and drives the connecting rod mechanism to move;
the connecting rod mechanism is connected with the telescopic rod (12) and drives the telescopic rod (12) to horizontally slide on the telescopic guide seat (11);
the first baffle assembly (2) comprises a first baffle rotating shaft (21) and a first baffle (22);
the first baffle plate rotating shaft (21) is rotatably connected with a corresponding molten iron transfer trolley;
the first baffle (22) is fixedly connected with the first baffle rotating shaft (21);
the first baffle plate (22) is provided with a first locking groove (22a), and the first locking groove (22a) is matched with the appearance of the telescopic rod (12);
when the telescopic rod (12) extends out of the molten iron transfer vehicle, the first locking groove (22a) of the first baffle plate (22) is clamped on the telescopic rod (12).
2. The interlocking mechanism for molten iron transfer vehicles according to claim 1, characterized in that:
wherein the other end of the telescopic rod (12) is provided with a locking plate (16);
The maximum external dimension of the locking plate (16) is larger than the diameter of the telescopic rod (12);
when the first locking groove (22a) is clamped on the telescopic rod (12), the first baffle plate (22) is adjacent to the locking plate (16).
3. The interlocking mechanism for molten iron transfer vehicles according to claim 1, characterized in that:
when the first locking groove (22a) is clamped on the telescopic rod (12), the highest position of the first baffle plate (22) is lower than the conveying surface of the molten iron transfer trolley;
and after the first baffle plate (22) rotates by a set angle, the highest position of the first baffle plate (22) is higher than the conveying surface of the molten iron transfer trolley.
4. The interlocking mechanism for molten iron transfer vehicles according to claim 1, characterized in that:
wherein the link mechanism comprises a telescopic driving rod (14) and a telescopic connecting rod (15);
one end of the telescopic driving rod (14) is fixed on the telescopic driving shaft (13), and the other end of the telescopic driving rod is rotatably connected with one end of the telescopic connecting rod (15);
the other end of the telescopic connecting rod (15) is rotatably connected with one end of the telescopic rod (12).
5. The interlocking mechanism for molten iron transfer vehicles according to claim 4, characterized in that:
wherein the telescopic guide seat (11) comprises two suspension feet (11a, 11 b);
The suspension feet (11a, 11b) both have suspension holes; the size of the hanging hole is matched with that of the telescopic rod (12);
the telescopic rod (12) passes through the hanging holes of the two hanging feet (11a, 11b) and can horizontally move in the hanging holes.
6. The interlocking mechanism of a molten iron transfer car according to claim 5, characterized in that:
the telescopic mechanism (1) further comprises a limiting plate (17) and a limiting piece (18);
the limiting piece (18) is fixed on the suspension foot (11b) close to the telescopic connecting rod (15);
the limiting plate (17) is sleeved on the telescopic rod (12) and fixedly connected with the telescopic rod;
the limiting plate (17) moves horizontally along with the telescopic rod (12) until the limiting piece (18) is located, namely the extending limit position of the telescopic rod (12).
7. The interlocking mechanism for molten iron transfer vehicles according to claim 1, characterized in that:
a second baffle assembly (3);
the second baffle assembly (3) and the telescopic mechanism (1) are arranged on the same molten iron transfer trolley;
the second baffle plate assembly (3) comprises a second baffle plate rotating shaft (31) and a second baffle plate (32);
the second baffle rotating shaft (31) is rotatably connected with a corresponding molten iron transfer trolley;
The second baffle (32) is fixedly connected with the second baffle rotating shaft (31);
the second baffle plate (32) is provided with a second locking groove (32a), and the second locking groove (32a) is matched with the appearance of the telescopic rod (12);
the second locking groove (32a) of the second baffle plate (32) can be clamped on the telescopic rod (12);
when the second locking groove (32a) of the second baffle plate (32) is clamped on the telescopic rod (12), the highest position of the second baffle plate (32) is lower than the conveying surface of the molten iron transfer trolley;
and after the second baffle plate (32) rotates by a set angle, the highest position of the second baffle plate (32) is higher than the conveying surface of the molten iron transfer trolley.
8. The interlocking mechanism of a molten iron transfer vehicle according to claim 7, characterized in that:
wherein the telescopic mechanism (1) further comprises a telescopic driving motor (19);
the second baffle assembly (3) further comprises a second 90-degree rotary shaft (33);
the telescopic driving motor (19) drives the telescopic driving shaft (13) to rotate;
the telescopic driving shaft (13) also drives an input shaft of the second 90-degree rotating shaft device (33) to rotate;
an output shaft of the second 90-degree rotating shaft device (33) drives the second baffle rotating shaft (31) to rotate.
9. The interlocking mechanism for molten iron transfer vehicles according to claim 7, wherein:
Wherein the first baffle (22) and the second baffle (32) are the same shape;
the first baffle (22) and the second baffle (32) are in an axisymmetric structure;
the first baffle plate (22) is provided with the first locking grooves (22a) on both sides;
the second shutter (32) has the second locking groove (32a) at both sides.
10. The interlocking mechanism of a molten iron transfer vehicle according to claim 7, characterized in that:
wherein the rotation angle of the first baffle and the second baffle is 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121820361.2U CN216966266U (en) | 2021-08-05 | 2021-08-05 | Interlocking mechanism of molten iron transfer trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121820361.2U CN216966266U (en) | 2021-08-05 | 2021-08-05 | Interlocking mechanism of molten iron transfer trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216966266U true CN216966266U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121820361.2U Active CN216966266U (en) | 2021-08-05 | 2021-08-05 | Interlocking mechanism of molten iron transfer trolley |
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| Country | Link |
|---|---|
| CN (1) | CN216966266U (en) |
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2021
- 2021-08-05 CN CN202121820361.2U patent/CN216966266U/en active Active
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