Movable ladle long nozzle quick-changing device of sheet billet continuous casting machine

By designing a mobile ladle long nozzle quick-change device for thin slab continuous casting machines, the device utilizes a traveling bracket and mobile components to achieve precise positioning and stable movement of the long nozzle, thus solving the risk of personal injury during the installation of the long nozzle and ensuring operational safety.

CN223699334UActive Publication Date: 2025-12-23GANSU JIU STEEL GRP HONGXING IRON & STEEL CO LTD
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Patent Information

Application Number
CN202520051256.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-23
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In thin slab continuous casting machines, the installation of long nozzles poses a risk of personal injury to workers who come into contact with the machinery, especially due to the risk of burns from contact with high-temperature equipment, making the operation unsafe.

Method used

A mobile ladle long nozzle quick-change device is designed for a thin slab continuous casting machine, including a traveling bracket, a quick-change component, and a moving component. The device achieves precise positioning and movement of the long nozzle through a bowl-shaped locking seat and a pin, and improves the stability and safety of the device by combining a protective sleeve and a reinforcing rod.

Benefits of technology

The installation of the long water inlet was safe, avoiding direct contact between operators and high-temperature machinery, reducing the risk of personal injury, and ensuring operational safety.

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Abstract

The utility model relates to the technical field of metallurgy continuous casting devices, in particular to a movable type large ladle long nozzle quick-changing device of a thin slab continuous casting machine, and aims to solve the problem that in the installation process of a metallurgy continuous casting steel ladle long nozzle at present, due to the fact that an operation mode is not beneficial to personnel safety, large personnel injury risks are easily caused. The device comprises a travelling crane support, a quick-change assembly is arranged above the travelling crane support, a moving assembly is arranged below the travelling crane support, a bowl lock seat is fixedly connected to the upper portion of the travelling crane support, and the bowl end of the long nozzle pipe is placed on the bowl lock seat by installing the quick-change assembly and then pressed by a bowl lock catch; a bayonet lock is arranged at the upper end of the traveling bracket in the advancing direction, and after the device reaches a stop position, the bayonet lock is automatically connected with a buckle on the platform, so that the accurate positioning function of the trolley is realized. According to the device, the long nozzle can be effectively mounted without adjusting the driving direction of the manipulator at a fixed position, so that the contact between an operator and the manipulator is effectively prevented, and the safety of the operator is ensured.
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Description

Technical Field

[0001] This utility model relates to the technical field of metallurgical continuous casting equipment, specifically to a mobile ladle long nozzle quick-change device for thin slab continuous casting machines. Background Technology

[0002] The long nozzle of the CSP thin slab continuous casting machine is installed on the manipulator ring of the tundish car. It serves as a durable material channel between the ladle and the tundish, transporting molten steel from the ladle to the tundish. During the casting process, replacing the long nozzle involves the operator holding it by hand. Installing the long nozzle on the manipulator ring of the tundish car does not completely prevent the operator's body from directly contacting the movable equipment, namely the manipulator arm and the ring, greatly increasing the risk of mechanical injury. After the ladle is poured, the manipulator arm, ring, and other components of the tundish car are very hot. When the operator is holding and installing the long nozzle, their body and hands are highly susceptible to contact with these components, posing a risk of burns. This operating method is extremely detrimental to operator safety, posing a significant risk of personal injury during the long nozzle installation process. Utility Model Content

[0003] This invention provides a mobile ladle long nozzle quick-change device for thin slab continuous casting machines to solve the problems mentioned above.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A mobile ladle long nozzle quick-change device for a thin slab continuous casting machine includes a traveling bracket. A quick-change assembly is arranged above the traveling bracket, and a moving assembly is arranged below the traveling bracket. The quick-change assembly includes a bowl lock seat, which is fixedly connected to the top of the traveling bracket. A connecting hinge is fixedly connected to the top of the bowl lock seat, and a bowl lock buckle is fixedly connected to the other end of the connecting hinge. A closing plate is fixedly connected to one side of the bowl lock buckle. A bearing guide rail is arranged inside the traveling bracket, and a pin is movably connected to one side of the traveling bracket. A long nozzle pipe is installed on the upper surface of the bearing guide rail.

[0006] Furthermore, the quick-change assembly also includes a connecting pipe, which is movably connected to the side surface of the long nozzle pipe, with one end of the long nozzle pipe being engaged inside the bowl-shaped locking seat.

[0007] Furthermore, the movable component includes a traveling support rod, which is fixedly connected to the bottom of the traveling bracket. A bottom bracket is fixedly connected to the bottom of the traveling support rod, and a pivot groove is fixedly connected to the bottom of the bottom bracket. A movable shaft is movably connected inside the pivot groove, and traveling fixed wheels are fixedly connected to both ends of the movable shaft.

[0008] Further, the mobile assembly further comprises a mobile handle, which is fixedly connected to the top of the travelling crane support, the top of the travelling crane support is provided with a fixed handle, and the inside of the bottom support is further provided with a counterweight.

[0009] Further, the side surface of the mobile handle is sleeved with a protective sleeve, and the middle part of the outer wall of the travelling crane support rod is fixedly connected with a reinforcing rod.

[0010] Further, one side of the reinforcing rod is clamped with a hook, the bottom of the hook is fixedly connected with a storage box, and the bottom of the storage box is fixedly connected with a bottom net.

[0011] The utility model has the following beneficial effects:

[0012] The utility model provides a kind of sheet billet continuous casting machine mobile type ladle long nozzle quick-change device, including travelling crane support, quick-change assembly is arranged above travelling crane support, mobile assembly is arranged below travelling crane support, bowl part lock seat is fixedly connected above travelling crane support, by installing quick-change assembly, long nozzle pipe bowl part end is placed on bowl part lock seat, then bowl part lock buckle is compressed to it;Pin is arranged in the forward direction on the upper end of travelling crane support, after the device reaches the stop position, pin is automatically connected with the catch on platform, realize trolley accurate positioning function.This device can effectively realize that mechanical hand is not in fixed position adjustment travelling crane direction and complete long nozzle installation, further effectively block the contact of operator and mechanical hand, ensure the safety of personnel, solve the problem that current in metallurgical continuous casting ladle long nozzle installation process, since operating mode is not conducive to personnel safety, it is extremely easy to cause greater personnel injury risk.

[0013] The utility model can realize that travelling crane support rod supports the quick-change assembly above to appropriate height by installing mobile assembly, then the movement of the whole device is realized by the rotation of moving shaft and travelling crane fixed wheel, then in order to prevent the whole device from being easily tilted due to the eccentric weight during the forward movement of installing long nozzle pipe, 35Kg counterweight is embedded in the rear end of bottom support, to ensure the balance and stable walking of the device.

[0014] The utility model can realize that protective sleeve can play certain antiskid effect when staff moves the whole device by mobile handle, then reinforcing rod also increases the support strength of the whole device, then staff can place the tool related to long nozzle pipe installation in storage box below hook, to provide convenience for staff. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure diagram of the utility model Figure One .

[0016] Figure 2 It is the three-dimensional structure diagram of the utility modelFigure Two .

[0017] Figure 3 The utility model is a three-dimensional structure schematic Figure Three .

[0018] Figure 4 The utility model is Figure 3 The utility model discloses an enlarged structural schematic view of A place.

[0019] Figure 5 The utility model is a three-dimensional structure schematic Figure Four .

[0020] The meaning of the reference signs is as follows:

[0021] 1, travelling crane support; 2, quick change assembly; 201, bowl lock seat; 202, connecting hinge; 203, bowl lock catch; 204, closing plate; 205, bearing guide rail; 206, bolt; 207, long nozzle pipe; 208, connecting pipe; 3, moving assembly; 301, travelling crane support rod; 302, bottom support; 303, rotating shaft groove; 304, moving shaft; 305, travelling crane fixed wheel; 306, moving handle; 307, fixed handle; 308, counterweight; 4, protective sleeve; 5, reinforcing rod; 6, hook; 7, storage box; 8, bottom net. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and specific embodiments.

[0023] As Figures 1-5 shown, a thin slab continuous casting machine movable type ladle long nozzle quick change device, including travelling crane support 1, the upper of travelling crane support 1 is provided with quick change assembly 2, the lower of travelling crane support 1 is provided with moving assembly 3, and quick change assembly 2 includes bowl lock seat 201, the upper of travelling crane support 1 is fixedly connected with bowl lock seat 201, the top of bowl lock seat 201 is fixedly connected with connecting hinge 202, the other end of connecting hinge 202 is fixedly connected with bowl lock catch 203, the side of bowl lock catch 203 is fixedly connected with closing plate 204, the inside of travelling crane support 1 is provided with bearing guide rail 205, the side of travelling crane support 1 is movably connected with bolt 206, and the upper surface of bearing guide rail 205 is installed with long nozzle pipe 207.

[0024] Quick change assembly 2 further includes connecting pipe 208, and connecting pipe 208 is movably connected to the side surface of long nozzle pipe 207, and one end of long nozzle pipe 207 is clamped in the inside of bowl lock seat 201.

[0025] The mobile assembly 3 comprises a travelling support rod 301 fixedly connected to the bottom of the travelling support frame 1, the bottom of the travelling support rod 301 is fixedly connected with a bottom support frame 302, the bottom of the bottom support frame 302 is fixedly connected with a rotating shaft groove 303, the inside of the rotating shaft groove 303 is movably connected with a mobile shaft 304, and the two ends of the mobile shaft 304 are fixedly connected with travelling fixed wheels 305.

[0026] The mobile assembly 3 further comprises a mobile handle 306 fixedly connected to the top of the travelling support frame 1, the top of the travelling support frame 1 is provided with a fixed handle 307, and the inside of the bottom support frame 302 is further provided with a counterweight 308.

[0027] The side surface of the mobile handle 306 is sleeved with a protective sleeve 4, and the middle of the outer wall of the travelling support rod 301 is fixedly connected with a reinforcing rod 5.

[0028] One side of the reinforcing rod 5 is clamped with a hook 6, the bottom of the hook 6 is fixedly connected with a storage box 7, and the bottom of the storage box 7 is fixedly connected with a bottom net 8.

[0029] As shown in Figure 1 , Figure 2 and Figure 3 , the mobile assembly 3 comprises a travelling support rod 301 fixedly connected to the bottom of the travelling support frame 1, the bottom of the travelling support rod 301 is fixedly connected with a bottom support frame 302, the bottom of the bottom support frame 302 is fixedly connected with a rotating shaft groove 303, the inside of the rotating shaft groove 303 is movably connected with a mobile shaft 304, and the two ends of the mobile shaft 304 are fixedly connected with travelling fixed wheels 305. By installing the mobile assembly 3, the travelling support rod 301 can support the upper quick-change assembly 2 to a suitable height, and then the rotation of the mobile shaft 304 and the travelling fixed wheels 305 can realize the movement of the whole device.

[0030] As shown in Figure 1 , Figure 2 and Figure 5 , the mobile assembly 3 further comprises a mobile handle 306 fixedly connected to the top of the travelling support frame 1, the top of the travelling support frame 1 is provided with a fixed handle 307, and the inside of the bottom support frame 302 is provided with a counterweight 308. Then, in order to prevent the whole device from being easily tilted due to the weight during the installation of the long nozzle pipe 207, a counterweight 308 with a weight of 35 Kg is embedded in the rear end of the bottom support frame 302.

[0031] As shown in Figure 1 , Figure 2 and Figure 5As shown, the side surface of the moving handle 306 is sleeved with a protective sleeve 4, and the middle part of the outer wall of the travelling support rod 301 is fixedly connected with a reinforcing rod 5. By installing the protective sleeve 4, the protective sleeve 4 can play a certain anti-skid role when the staff moves the whole device by using the moving handle 306, and then the reinforcing rod 5 also increases the supporting strength of the whole device.

[0032] As shown in Figure 1 , Figure 2 and Figure 5 , the side of the reinforcing rod 5 is clamped with a hook 6, the bottom of the hook 6 is fixedly connected with a storage box 7, the bottom of the storage box 7 is fixedly connected with a bottom net 8, and then the staff can place the tools related to the installation of the long nozzle pipe 207 in the storage box 7 below the hook 6.

[0033] The utility model discloses in using, and the working process is as follows: as shown in Figures 1-5 , first, by installing quick change assembly 2, can realize the bowl department end of long nozzle pipe 207 is placed on bowl department lock seat 201, then bowl department lock catch 203 carries out pressure tightly to it, and is locked with bolt 206, makes the whole installation long nozzle pipe 207 of mobile device, always can keep long nozzle pipe 207 position invariable, then the advancing direction setting of the upper end of travelling support 1 clasp bolt, makes the device when installing long nozzle pipe 207 walks forward, after the device reaches the stay position, clasp bolt is automatically connected with the clasp on the platform of having, realizes trolley accurate positioning function, guarantees long nozzle to install successfully. The device is simple to operate, and the maintenance is convenient, safe and reliable, and the mechanical hand can also be effectively realized in the fixed position adjustment travelling direction and completes long nozzle installation, then by installing moving assembly 3, can realize that travelling support rod 301 supports the quick change assembly 2 above to the suitable height, then the rotation of moving shaft 304 and travelling fixed wheel 305 realizes the movement of the whole device, then in order to prevent the whole device from tilting during the installation of long nozzle pipe 207 and moving forward, the counterweight 308 of 35Kg weight is inlaid in the rear end of the bottom support 302, then by installing protective sleeve 4, the protective sleeve 4 can play a certain anti-skid role when the staff moves the whole device by using the moving handle 306, and then the reinforcing rod 5 also increases the supporting strength of the whole device, and then the staff can place the tools related to the installation of the long nozzle pipe 207 in the storage box 7 below the hook 6. The whole quick change process effectively realizes the installation of the long nozzle by the mechanical hand in the fixed position adjustment travelling direction, and further effectively blocks the contact between the staff and the mechanical hand, ensures the safety of the staff, so that the device has good practicability.

Claims

1. A thin slab continuous caster mobile ladle long nozzle quick change device, comprising a crane support (1), characterized in that: The upper part of the travelling crane support (1) is provided with a quick-change assembly (2), and the lower part of the travelling crane support (1) is provided with a moving assembly (3). The quick-change assembly (2) comprises a bowl lock seat (201) fixedly connected to the upper part of the travelling crane support (1), and the top of the bowl lock seat (201) is fixedly connected with a connecting hinge (202), and the other end of the connecting hinge (202) is fixedly connected with a bowl lock catch (203), and one side of the bowl lock catch (203) is fixedly connected with a closing plate (204). The inside of the travelling crane support (1) is provided with a bearing guide rail (205), and one side of the travelling crane support (1) is movably connected with a latch (206), and the upper surface of the bearing guide rail (205) is provided with a long nozzle pipe (207).

2. A thin slab continuous caster mobile type ladle long nozzle quick change device according to claim 1, characterized in that: The quick-change assembly (2) further comprises a connecting pipe (208) movably connected to the side surface of the long nozzle pipe (207), and one end of the long nozzle pipe (207) is clamped in the inside of the bowl lock seat (201).

3. A thin slab continuous caster mobile type ladle long nozzle quick change device according to claim 1, characterized in that: The moving assembly (3) comprises a travelling crane support rod (301) fixedly connected to the bottom of the travelling crane support (1), and the bottom of the travelling crane support rod (301) is fixedly connected with a bottom support (302), and the bottom of the bottom support (302) is fixedly connected with a rotating shaft groove (303), and the inside of the rotating shaft groove (303) is movably connected with a moving shaft (304), and the two ends of the moving shaft (304) are fixedly connected with a travelling crane fixed wheel (305).

4. A thin slab continuous caster mobile type ladle long nozzle quick change device according to claim 3, characterized in that: The moving assembly (3) further comprises a moving handle (306) fixedly connected to the top of the travelling crane support (1), and the top of the travelling crane support (1) is provided with a fixed handle (307), and the inside of the bottom support (302) is further provided with a counterweight (308).

5. A thin slab continuous caster mobile type ladle long nozzle quick change device according to claim 4, characterized in that: The side surface of the moving handle (306) is sleeved with a protective sleeve (4), and the middle part of the outer wall of the travelling crane support rod (301) is fixedly connected with a reinforcing rod (5).

6. A thin slab continuous caster mobile type ladle long nozzle quick change device according to claim 5, characterized in that: One side of the reinforcing rod (5) is clamped with a hook (6), and the bottom of the hook (6) is fixedly connected with a storage box (7), and the bottom of the storage box (7) is fixedly connected with a bottom net (8).