CN216632579U

CN216632579U - Molten iron transport vehicle

Info

Publication number: CN216632579U
Application number: CN202122909392.1U
Authority: CN
Inventors: 程保平; 王大民; 王颢强; 杨永彬
Original assignee: Handan Daming Metallurgical Equipment Co ltd
Current assignee: Handan Daming Metallurgical Equipment Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-31
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a molten iron transport vehicle applied to ductile iron pipe centrifugal casting, which comprises a lower vehicle, an upper vehicle and a ladle overturning frame, wherein the lower vehicle is provided with an operation area and a ladle overturning area, a heat insulation plate is arranged between the two areas, and the upper vehicle, the ladle overturning frame and an upper vehicle moving device are arranged in the ladle overturning area. The getting-on moving device is connected with the getting-off vehicle and the getting-on vehicle and is used for controlling the left-right movement of the getting-on vehicle. The ladle overturning frame is fixed on the upper car, a positioning arc groove corresponding to the outer surface of the ladle is designed in the middle, V-shaped limiting grooves are designed on two sides of the upper part, and the positioning arc groove and the limiting grooves limit the movement of the ladle, so that the stability in the transportation and tapping processes is ensured. And the ladle turning hydraulic cylinders and the supports fixed with the shafts are arranged on the two sides of the ladle turning frame, and the ladle turning hydraulic cylinders can enable the ladle turning frame to rotate around the shafts, so that tapping operation is realized. The molten iron transport vehicle turns over the package after balling and accurately controls the falling point to flow into the fan-shaped package, liberates the crown block and facilitates the plane layout of a workshop.

Description

Molten iron transport vehicle

Technical Field

The utility model is applied to the field of ductile iron pipe production, and particularly relates to a transport vehicle for transporting spheroidized molten iron.

Background

The ductile iron pipe is mostly centrifugally cast, is a product with the largest yield in the casting industry, and is industrially produced at present. Particularly, in the case of a small-diameter ductile iron pipe, since the weight is relatively small and the centrifugal casting speed is high, the rapid supply of molten iron in ductile iron is a problem to be solved in the production organization.

The molten iron used for producing the ductile iron pipe mostly comes from blast furnace molten iron, and then the temperature is raised in an intermediate frequency furnace to adjust the components. In the smelting process of the intermediate frequency furnace, scrap pipe returning charge, scrap steel and the like are required to be added, molten iron with qualified component adjustment is spheroidized and then is sent into a fan-shaped ladle of a centrifugal machine for centrifugal casting. Under the common condition, the process layout area of the smelting section of the intermediate frequency furnace is large, and comprises a scrap steel storage area, a scrap pipe storage area, a spheroidization area, a ladle drying area, a material storage area, a packing area and the like, wherein molten iron after spheroidization is mostly sent to a fan-shaped ladle of a centrifugal casting station by using a crown block, so that the smelting and the centrifugal casting of the intermediate frequency furnace are required to be arranged in a workshop, and the floor area of a ductile iron pipe production line is limited. In order to facilitate production management and process arrangement of a production line, a smelting working section is independently designed beside a centrifugal workshop, so that spheroidized molten iron cannot be transported by a travelling crane and only a molten iron transport vehicle can be used.

Patents CN204747479U and CN211101587U show different molten iron casting transport vehicles used in foundries, and both transport vehicles adopt manpower for transportation and casting, and are suitable for transporting molten iron and casting small iron castings by small ladles. CN208322094U has designed a molten iron transport vechicle, and this transport vechicle can realize molten iron transportation and tapping, and the hot metal bottle on the transport vechicle can't move, can't control or adjust the drop point of molten iron rivers during tapping.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is as follows: the utility model provides a molten iron transport vechicle not only can transport the molten iron, can also realize controlling the dropping point of molten iron rivers, to the fixed point inflow in the fan-shaped package, liberation overhead traveling crane.

The technical scheme adopted by the utility model is as follows: the molten iron transport vehicle is used for transporting and tapping the molten iron ladles and comprises a getting-off frame, a getting-on frame and a ladle overturning frame. The upper surface of the lower vehicle is provided with an operation area and a bag turning area, and the bag turning area is provided with an upper vehicle, a bag turning frame and an upper vehicle moving device. The getting-on moving device is connected with the getting-off vehicle and the getting-on vehicle and is used for controlling the left and right movement of the getting-on vehicle. The ladle overturning frame is fixed on the upper car, a positioning arc groove is designed in the middle of the bottom of the ladle overturning frame and corresponds to the outer surface of a ladle, limiting grooves are designed on two sides of the upper portion of the ladle overturning frame and are in a V shape with an opening inclining towards the ladle overturning direction, and the positioning arc groove and the limiting grooves limit the movement of the ladle and guarantee the stability in the processes of transportation and tapping. And the ladle overturning hydraulic cylinder and the support are arranged on two sides of the ladle overturning frame, the shaft is fixed on the support, and the ladle overturning hydraulic cylinder can enable the ladle overturning frame to rotate around the shaft, so that the tapping operation is realized.

Furthermore, a driving device, an electric cabinet and a hydraulic control device are designed in the operation area so as to realize the transportation and the tapping of the molten iron transport vehicle. In order to protect the equipment of the operation area, a heat insulation plate is arranged between the operation area and the ladle overturning area.

Furthermore, the getting-on moving device adopts a hydraulic system and comprises a track, a packet moving hydraulic cylinder and small wheels. The ladle moving hydraulic cylinder is arranged in the middle of the ladle turning area, and two ends of the ladle moving hydraulic cylinder are fixedly connected with a lower car and an upper car. The track is a groove type, is welded and fixed on two sides of the ladle overturning area and is matched with the small wheel, and the small wheel moves left and right in the track under the action of the ladle moving hydraulic cylinder. Positioning wheels are arranged between the small wheels to limit the left-right movement direction of the upper vehicle.

Furthermore, the getting-on moving device adopts a gear and rack structure and comprises a motor reducer, a chain, an upper axle, a gear and a rack. The motor reducer is fixedly arranged on the upper vehicle and drives the upper vehicle shaft to rotate through a chain, gears are fixedly arranged at two ends of the upper vehicle shaft and matched with the gear racks, and the gear racks are fixed at two sides of a turning area of the lower vehicle. The gear and the rack can be replaced by a track and wheels, the track is a light rail and is fixedly welded on the upper vehicle, guide wheel edges are processed on the wheels, the wheels are fixedly arranged at two ends of an upper vehicle shaft, and the guide wheel edges are matched with the side surfaces of the light rail for guiding.

The utility model has the beneficial effects that: the molten iron transport vechicle transports the molten iron after the balling to cast tube centrifugal casting station from the balling station, turns over the package action of package pneumatic cylinder and can flow into fan-shaped package with the molten iron in, moves the falling point of getting on the bus adjustment molten iron flow about through getting on the bus mobile device, guarantees that the molten iron is whole accurately to flow into fan-shaped package. The utility model liberates the crown block, can realize the molten iron transportation of which the spheroidizing area and the centrifugal casting station are not in the same workshop, and is convenient for the workshop design of process arrangement.

Drawings

FIG. 1 is a schematic front view of the structure of embodiment 1;

FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is a schematic front view showing the structure of embodiment 2;

FIG. 5 is a view of FIG. 4 in direction A;

FIG. 6 is a partial structural view of embodiment 3;

wherein: 1-getting off, 2-turning over a bag frame, 3-a ladle, 4-a driving device, 5-an electric cabinet, 6-a hydraulic control device, 7-a heat insulation plate, 8-getting on, 9-a turning over hydraulic cylinder, 10-a moving hydraulic cylinder, 11-a positioning wheel, 12-a shaft, 13-a limiting groove, 14-a positioning arc groove, 15-a bracket, 16-a track, 17-a small wheel, 18-a chain, 19-a gear, 20-a rack, 21-a cover plate, 22-a getting on axle, 23-a motor reducer and 24-a wheel.

Detailed Description

Example 1.

The present embodiment will be described in detail with reference to fig. 1 to 3, wherein the upper and lower portions are the upper and lower directions of fig. 1 and 2, the left and right portions are the left and right portions of fig. 1 and the upper and lower portions of fig. 3, i.e., the direction of the taphole is the left, the front and rear portions are the left and right portions of fig. 2 and 3, and the two sides are the sides of the center line of the ladle of fig. 2. The upper, lower, left, right, front, back and two sides are only used for more clearly explaining the structure of the embodiment and are not used as the limitation of the structural relationship.

The molten iron transport vehicle of the embodiment is shown in the schematic diagrams of figures 1-3 and comprises a lower vehicle 1, an upper vehicle 8 and a ladle overturning frame 2, wherein the lower vehicle 1 can walk forwards and backwards on a ground guide rail, an operating area and a ladle overturning area are designed above the lower vehicle 1, a driving device 4 for controlling the lower vehicle 1 to walk, an electric cabinet 5 and a hydraulic control device 6 for realizing ladle overturning action and left-right movement of a ladle 3 are designed in the operating area. And a heat insulation plate 7 is arranged between the operation area and the ladle overturning area to protect the driving device 4, the electric cabinet 5 and the hydraulic control device 6 and prevent an operator close to the electric cabinet 5 from being baked.

And in the ladle overturning area, an upper trolley 8, a ladle overturning frame 2 and an upper trolley moving device are arranged, wherein the upper trolley moving device comprises a track 16, a ladle moving hydraulic cylinder 10, a positioning wheel 11 and a small wheel 17, as shown in the attached figure 2, two tracks 16 are welded and fixed on two sides of the ladle overturning frame 2, and the tracks 16 are groove-shaped. The small wheels 17 of the upper vehicle 8 can move left and right in the groove-shaped rails 16 under the action of the bag moving hydraulic cylinder 10, the positioning wheels 11 are arranged between the small wheels 17, and as shown in the attached

drawings

3 and 1, the positioning wheels 11 are used for ensuring the left and right moving direction of the upper vehicle 8 under the constraint of the rails 16 to prevent deviation. The groove-shaped rail 16 assists in preventing splashed iron beans from entering the rail 16 when the ladle is tapped, thereby causing unstable movement of the small wheels 17 or causing movement failure. Two ends of the ladle moving hydraulic cylinder 10 are fixedly connected with an upper trolley and a lower trolley, as shown in the attached

drawings

1 and 3, the right end is fixed on the lower trolley 1, and the left end is fixed on the upper trolley 8 (in the embodiment, the left end of the ladle is turned over to be cast, if the right end is turned over to be cast, the right end of the ladle moving hydraulic cylinder 10 is fixed on the upper trolley 8, and the left end of the ladle moving hydraulic cylinder 10 is fixed on the lower trolley 1), and the upper trolley 8 can move left and right by the extension of the ladle moving hydraulic cylinder 10.

The ladle overturning frame 2 is fixed on the upper vehicle 8. The ladle-turning frame 2 is provided with a limit groove 13 and a positioning arc groove 14. The positioning arc groove 14 is designed in the middle of the bottom of the ladle overturning frame 2 and corresponds to the outer surface of the ladle 3, and when the ladle 3 is placed into the ladle overturning frame 2, the positioning arc groove 14 limits the displacement of the ladle in the front-back direction. The limiting grooves 13 are designed on two sides of the upper portion of the ladle overturning frame 2 and are used for limiting displacement of the ladle 3 in the left-right direction and preventing the ladle from moving during ladle overturning, the limiting grooves 13 are V-shaped, the opening of each V-shaped groove is inclined towards the right (namely the ladle overturning is reversed), the upper opening of each V-shaped groove is large, the lower bottom of each V-shaped groove is small, and when the trunnion of the ladle is placed into the limiting groove, the limiting groove can guide the trunnion of the ladle to enter, so that the ladle can be rapidly placed into the ladle overturning frame and rapidly positioned.

As shown in the attached drawing 2, two ladle-turning hydraulic cylinders 9 are arranged on the ladle-turning frame 2 and on two sides of the ladle 3, when the ladle-turning hydraulic cylinders 9 are jacked up, as shown in the attached drawing 1, the ladle-turning frame 2 can rotate anticlockwise around a shaft 12, so that ladle-turning action is realized, and the left side of the ladle is tapped. The shaft 12 is fixed on the brackets 15 at the two sides of the ladle overturning frame 2, and the brackets 15 are welded on the upper trolley 8.

In the embodiment, the left tapping of the ladle is used for explanation, and if the right tapping is performed, the upper trolley 8 and the ladle overturning frame 2 are just turned upside down.

Example 2.

The main difference between this embodiment and embodiment 1 lies in the difference of the boarding mobile device, the boarding mobile device of embodiment 1 mainly depends on the pushing of the bale shifting hydraulic cylinder 10, the boarding mobile device of this embodiment is a gear and rack structure, as shown in fig. 4 and fig. 5, and the guiding function is realized by the cooperation of the gear and the rack. The upper vehicle moving device comprises a motor reducer 23, a chain 18, an upper vehicle shaft 22, a gear 19, a rack 20 and the like. The motor reducer 23 is fixedly arranged on the upper vehicle 8, the upper vehicle shaft 22 is driven to rotate through the chain 18, the gears 19 are fixedly arranged at the two ends of the upper vehicle shaft 22, the gears 19 are matched with the racks 20, and the racks 20 are fixed on the upper surface of the lower vehicle 1.

In order to protect the rack 20 and the gear 19, a cover plate 21 is covered between the upper car 8 and the ladle 3 to protect the upper car moving device and prevent the adverse effect of the iron beans splashed by molten iron on the movement of the rack and the gear when the molten iron is poured.

Compared with embodiment 1, the embodiment omits the bag moving hydraulic cylinder 10, and is beneficial to reducing the volume of the hydraulic oil tank. The positioning wheel 11 is omitted, oil leakage of a sealing gasket of the hydraulic cylinder caused by direction deviation of the ladle moving hydraulic cylinder 10 and the positioning wheel 11 is avoided, and maintenance workload is greatly reduced.

Example 3.

The embodiment is an improvement on the embodiment 2, and the rack and pinion on-board moving device of the embodiment 2 is directly changed into the rail 16 and the wheel 24, as shown in fig. 6. The rails 16 are light rails and are fixedly welded on the lower vehicle 1 and positioned at two sides of the ladle overturning area. Wheels 24 are fixedly arranged at two ends of the upper axle 22 and provided with guide wheel edges, and the guide wheel edges of the wheels 24 are matched with the side surfaces of the light rails to play a role in guiding the upper vehicle 8.

Compared with embodiment 2, the getting-on moving device of the embodiment has simple structure and low manufacturing cost. The track 16 is a narrow strip plane, so that the cleaning is easy, and the influence of the splashed iron beans on the getting-on moving device is small.

When the molten iron transport vehicle is used, the molten iron transport vehicle moves to a molten iron spheroidization area, receives spheroidized molten iron, and then transports the molten iron to a cast tube centrifugal casting station, when the molten iron transport vehicle reaches a first casting station, electromagnetic limit enables automatic parking, a ladle turning hydraulic cylinder is started to discharge iron, the molten iron flows into a fan-shaped ladle, the position of the upper vehicle can be adjusted through an upper vehicle moving device, the falling point of the molten iron flow is further adjusted, and the molten iron can be guaranteed to completely and accurately flow into the fan-shaped ladle. And after tapping is finished, the ladle-turning hydraulic cylinder is retracted, the motor is started, the transport vehicle is driven to a second pouring station, and tapping operation is repeated. The molten iron transport vehicle has the advantages that the crown block is liberated, the molten iron transport with the spheroidization area and the centrifugal casting station not in the same workshop can be realized, and the workshop design of process arrangement is facilitated.

The technical scheme of the utility model has the advantages that the drawing is approved by the signature of the customer, the product is sold, and the feedback of the customer is good. Since the product of the present invention is a non-standard product, it needs to be sized according to the customer's floor plan. At present, automatic program design is carried out, so that automatic transportation and automatic ladle turning tapping of molten iron transportation are realized, remote control is realized, and transportation operators are saved.

Claims

1. The utility model provides a molten iron transport vechicle for the transportation and the tapping of ladle (3), its characterized in that: the bag turning device comprises a lower car (1), an upper car (8) and a bag turning frame (2), wherein an operation area and a bag turning area are designed on the upper surface of the lower car (1), the bag turning area is provided with the upper car (8), the bag turning frame (2) and an upper car moving device, the upper car moving device is connected with the lower car (1) and the upper car (8), and the bag turning frame (2) is fixed on the upper car (8); a positioning arc groove (14) is designed in the middle of the bottom of the ladle overturning frame (2), and the positioning arc groove (14) corresponds to the outer surface of the ladle (3); limiting grooves (13) are designed on two sides of the upper part of the ladle overturning frame (2), and the limiting grooves (13) are V-shaped with openings inclined towards the ladle overturning direction; the ladle overturning device is characterized in that ladle overturning hydraulic cylinders (9) and supports (15) are installed on two sides of the ladle overturning frame (2), shafts (12) are fixed on the supports (15), and the ladle overturning hydraulic cylinders (9) can enable the ladle overturning frame (2) to rotate around the shafts (12).

2. The molten iron transporting vehicle according to claim 1, characterized in that: and a heat insulation plate (7) is arranged between the operation area and the ladle overturning area.

3. The molten iron transporting vehicle according to claim 1, characterized in that: the operating area is provided with a driving device (4), an electric cabinet (5) and a hydraulic control device (6).

4. The molten iron transportation vehicle according to claim 1, characterized in that: the upper vehicle moving device comprises a track (16), a packet moving hydraulic cylinder (10) and small wheels (17), the packet moving hydraulic cylinder (10) is installed in the middle of the packet turning area, and two ends of the packet moving hydraulic cylinder are fixedly connected with the lower vehicle (1) and the upper vehicle (8); the rail (16) is of a groove shape, is welded and fixed on two sides of the ladle overturning area and is matched with the small wheel (17), and the small wheel (17) moves left and right in the rail (16) under the action of the ladle moving hydraulic cylinder (10).

5. The molten iron transporting vehicle according to claim 4, characterized in that: and a positioning wheel (11) is arranged between the small wheels (17).

6. The molten iron transportation vehicle according to claim 1, characterized in that: the upper vehicle moving device comprises a motor reducer (23), a chain (18), an upper vehicle shaft (22), a gear (19) and a rack (20); the motor reducer (23) is fixedly mounted on the upper vehicle (8), the upper vehicle shaft (22) is driven to rotate through the chain (18), the gears (19) are fixedly mounted at two ends of the upper vehicle shaft (22), the gears (19) are matched with the racks (20), and the racks (20) are fixed on two sides of a turning area of the lower vehicle (1).

7. The molten iron transporting vehicle of claim 6, characterized in that: the gear (19) and the rack (20) are replaced by a rail (16) and a wheel (24); the track (16) is a light rail and is fixedly welded on the upper vehicle (8), the wheels (24) are provided with guide wheel edges and are fixedly arranged at two ends of the upper vehicle axle (22), and the guide wheel edges are matched with the side surfaces of the light rail for guiding.