CN219112813U - Special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine - Google Patents
Special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine Download PDFInfo
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- CN219112813U CN219112813U CN202222553999.5U CN202222553999U CN219112813U CN 219112813 U CN219112813 U CN 219112813U CN 202222553999 U CN202222553999 U CN 202222553999U CN 219112813 U CN219112813 U CN 219112813U
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Abstract
The utility model relates to a special device for casting thick-wall tile white alloy of a high-power low-speed diesel engine, which comprises a base (1), wherein supporting devices (2) are arranged above symmetrical positions on two sides of the base, the supporting devices (2) are fixedly connected with the base (1) by adopting connecting devices (3), and particularly, the vertical directions of the two symmetrically arranged supporting devices (2) are provided with sliding grooves, the sliding grooves are matched with sliding devices (5), the sliding devices are provided with screw holes, and the screw holes are matched with screws to form locking devices. The locking device (4) with the adjustable bidirectional travel height is arranged, the locking device (4) can realize the height free adjustment on the supporting device (2) by utilizing the sliding device (5), and the gravity center of the locking device is consistent with that of the thick-wall tile (9), so that the locking device is stable and can not incline at the bottom, and the leakage of white alloy is prevented. The locking device (4) can be stretched in two directions, so that clamping of thick-wall tiles (9) with different diameters is realized.
Description
Technical field:
the utility model relates to special casting equipment for forming white alloy on thick-wall tiles of a high-power low-speed diesel engine.
The background technology is as follows:
the thick-wall tile is an important part of a marine diesel engine, and is formed by combining tile back metal and tile lining metal through bimetal casting, wherein the tile back metal is generally low-carbon steel, the thickness is more than 50mm, and the diameter is generally 500-1000mm. The lining metal is generally white alloy, namely tin-based bearing alloy, and the white alloy has good comprehensive mechanical properties such as antifriction property, corrosion resistance and the like. The thick-wall tiles are of two semicircular haverse structures, the casting process needs to be combined into a whole circle for casting, the white alloy has excellent liquid metal fluidity in the melting temperature range of 400-430 ℃, the sealing of the joint of the two semicircular thick-wall tiles must be realized, the conventional casting device cannot well meet the requirements, the casting quality of the white alloy and the tile backs is unstable, and the defects of unshelling, air holes and the like are easy to occur.
The utility model comprises the following steps:
the utility model aims to provide equipment special for casting thick-wall tile white alloy of a high-power low-speed diesel engine.
The utility model relates to a special device for casting a thick-wall tile sliding alloy of a high-power low-speed diesel engine, which is characterized by comprising a base (1), wherein supporting devices (2) are arranged above symmetrical positions of two sides of the base, and the supporting devices (2) are fixedly connected with the base (1) by adopting connecting devices (3), and the special device is characterized in that: the vertical of two supporting devices (2) that symmetry set up has the spout, and the spout cooperation has slider (5), and slider has the screw, and the screw cooperation has the screw rod to form locking device. The locking device (4) with the adjustable bidirectional travel height is arranged, the locking device (4) can realize the height free adjustment on the supporting device (2) by utilizing the sliding device (5), and the gravity center of the locking device is consistent with that of the thick-wall tile (9), so that the locking device is stable and can not incline at the bottom, and the leakage of white alloy is prevented. The locking device (4) can be stretched in two directions, so that clamping of thick-wall tiles (9) with different diameters is realized.
The tightening locking device is formed by combining two semicircular half-structured thick-wall tiles (9) and a clamping plate clamped between the two thick-wall tiles, wherein one end of each clamping plate of the two semicircular thick-wall tiles (9) is tightly matched with the upper surface of the base (1), the two semicircular thick-wall tiles are vertically arranged on the base (1), the sliding devices (5) on two sides respectively adjust the locking devices (4) in threaded fit to the corresponding vertical middle positions of the outer circles of the thick-wall tiles, the locking devices (4) are screwed, the opposite front ends of the locking devices on two sides are extruded on the outer circles of the thick-wall tiles, axial force of the locking devices is transmitted to the thick-wall tiles (9), and the two semicircular half-structured thick-wall tiles (9) are tightly combined and fixed; the mutual reaction force is utilized to the supporting device (2) and then is transmitted to the connecting device (3) to form an integral stress structure with the base (1), so that the fastening of the thick-wall tile (9) on the upper plane of the base (1) is realized. And (3) concentrically placing a core mould in the combined thick-wall tiles (9), sitting on the base (1), and forming a white alloy casting cavity (10) by utilizing the core mould (12) and the thick-wall tiles (9) for the inner circle of the clamping plate. The white alloy casting cavity is formed by the core mould (12), the thick-wall tile (9) and the clamping plate, and the melted white alloy is cast in the white alloy casting cavity, so that the casting process of the white alloy is realized. Because of the large size of the thick wall tile, the casting process requires fixing it. The sliding bearing alloy has low melting point, the casting process of the alloy cannot realize one-time filling of the cavity, and a casting mode of continuously filling the alloy is needed, so that the solidification speed of the first-injection white alloy is slowed down, and an interlayer is avoided between the first-injection white alloy and the later-injection white alloy. The base is preferably provided with a base (1) which can be heated, corrosion-resistant and high-strength, the base (1) is made of low-chromium corrosion-resistant cast iron, and the heating device (6) is embedded in the base (1). A special device with heating capability is designed. The heating device (6) is arranged in the base to ensure that the temperature of the upper plane of the base is 90-100 ℃, and meanwhile, the mechanical strength is improved by adopting a reinforcing network (11) mode. Meanwhile, two sides of the bottom are respectively provided with 2 thread lifting devices (7) to realize the installation and the movement of the base (1).
Description of the drawings:
FIG. 1 is a schematic diagram of a special device for casting a thick-wall tile sliding alloy of a low-speed diesel engine.
FIG. 2 is a left side view of a special device for casting a thick-wall tile sliding alloy of a low-speed diesel engine.
FIG. 3 is a top view of a device special for casting a thick-wall tile sliding alloy of a low-speed diesel engine.
Fig. 4 is a schematic diagram of a top view and a front view of a base of a special device for casting a thick-wall tile sliding alloy of a low-speed diesel engine.
The specific embodiment is as follows:
embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in figure 1, the special equipment for casting the thick-wall tile sliding alloy of the high-power low-speed diesel engine is provided with a base (1), wherein supporting devices (2) are arranged above symmetrical positions on two sides of the base, the supporting devices (2) are fixedly connected with the base (1) by adopting connecting devices (3), and particularly, the vertical directions of the two symmetrically arranged supporting devices (2) are provided with sliding grooves which are matched with sliding devices (5) and provided with screw holes which are matched with screw rods to form locking devices. The locking device (4) with the adjustable bidirectional travel height is arranged, the locking device (4) can realize the height free adjustment on the supporting device (2) by utilizing the sliding device (5), and the gravity center of the locking device is consistent with that of the thick-wall tile (9), so that the locking device is stable and can not incline at the bottom, and the leakage of white alloy is prevented. The locking device (4) can be stretched in two directions, so that clamping of thick-wall tiles (9) with different diameters is realized. The periphery of the base (1) is provided with a drainage groove (8), and the drainage groove (8) is tightly matched with the base (1) and arranged around the base (1). The system for collecting and removing water is formed around the base (1), the white alloy is cooled after being cast, the water is used for cooling, the water flowing downwards is timely collected and removed in the drainage groove (8), the timely removal of the cooling water after the white alloy is cast is realized, and the influence on casting quality caused by the flat area on the base (1) is avoided.
The tightening locking device is formed by combining two semicircular half-structured thick-wall tiles (9) and a clamping plate clamped between the two thick-wall tiles, wherein one end of each clamping plate of the two semicircular thick-wall tiles (9) is tightly matched with the upper surface of the base (1), the two semicircular thick-wall tiles are vertically arranged on the base (1), the sliding devices (5) on two sides respectively adjust the locking devices (4) in threaded fit to the corresponding vertical middle positions of the outer circles of the thick-wall tiles, the locking devices (4) are screwed, the opposite front ends of the locking devices on two sides are extruded on the outer circles of the thick-wall tiles, axial force of the locking devices is transmitted to the thick-wall tiles (9), and the two semicircular half-structured thick-wall tiles (9) and the clamping plate are tightly combined and fixed; the mutual reaction force is utilized to the supporting device (2) and then is transmitted to the connecting device (3) to form an integral stress structure with the base (1), so that the fastening of the thick-wall tile (9) on the upper plane of the base (1) is realized. And (3) concentrically placing a core mould in the combined thick-wall tile (9), sitting on the base (1), and forming a white alloy casting cavity (10) by utilizing the core mould (12) and the inner circle of the thick-wall tile (9). The white alloy casting cavity is formed by the core mould (12) and the thick-wall tile (9), and the melted white alloy is cast in the white alloy casting cavity, so that the casting process of the white alloy is realized. Because of the large size of the thick wall tile, the casting process requires fixing it. The sliding bearing alloy has low melting point, the casting process of the alloy cannot realize one-time filling of the cavity, and a casting mode of continuously filling the alloy is needed, so that the solidification speed of the first-injection white alloy is slowed down, and an interlayer is avoided between the first-injection white alloy and the later-injection white alloy. The base is preferably provided with a base (1) which can be heated, corrosion-resistant and high-strength, the base (1) is made of low-chromium corrosion-resistant cast iron, and the heating device (6) is embedded in the base (1). A special device with heating capability is designed. The heating device (6) is arranged in the base to ensure that the temperature of the upper plane of the base is 90-100 ℃, and meanwhile, the mechanical strength is improved by adopting a reinforcing network (11) mode. Meanwhile, two sides of the bottom are respectively provided with 2 thread lifting devices (7) to realize the installation and the movement of the base (1). The utility model provides a low-speed diesel engine thick wall tile sliding alloy casting isolated plant which characterized in that: the supporting device (2) adopts connecting device (3) to form an integral frame with base (1), locking device (4) utilizes slider (5) to realize the removal of upper and lower dimension at supporting device (2), heating device (6) and base (1) form hot working face, water drainage tank (8) and base (1) form cooling water drainage system, thick wall tile (9) are arranged on the upper plane of base (1), after locking device (4) are adjusted to suitable position through slider (5), axial force of screwing locking device (4) is transmitted to thick wall tile (9), then reaction force is conducted to supporting device (2) and then to connecting device (3) to make it form integral stress structure with base (1), realize the fastening of thick wall tile (9) on the upper plane of base (1). A white alloy casting cavity (10) is formed by using a mandrel (12) and a thick-wall tile (9) and a clamping plate.
And casting the qualified liquid white alloy into the cavity (10), and cooling and solidifying after filling to form a solid white alloy which is integrated with the thick-wall tile (9), so as to realize the casting of the white alloy on the inner surface of the thick-wall tile (9).
After the temperature is reduced to the room temperature, the locking device (4) is reversely rotated, the thick-wall tile (9) and the core die (12) are integrally lifted to the ground by utilizing the lifting appliance, and then the thick-wall tile (9) and the core die (12) are peeled off, so that the thick-wall tile (9) with independent components is formed, and the sliding alloy casting of the thick-wall tile is completed.
Claims (8)
1. The utility model provides a high-power low-speed diesel engine thick wall tile white alloy casting professional equipment, has base (1), and base both sides symmetry position top sets up strutting arrangement (2), strutting arrangement (2) adopt connecting device (3) and base (1) fixed connection, its characterized in that: the vertical of two supporting devices (2) that symmetry set up has the spout, and the spout cooperation has slider (5), and slider has the screw, and the screw cooperation has the screw rod to form locking device.
2. The special equipment for casting the thick-wall tile white alloy of the high-power low-speed diesel engine, which is disclosed in claim 1, is characterized in that: the base is a base (1) with the advantages of heating, corrosion resistance and high strength, the base (1) is made of low-chromium corrosion-resistant cast iron, and the heating device (6) is embedded in the base (1).
3. The special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine according to claim 1 or 2, which is characterized in that: two sides of the bottom are respectively provided with 2 thread lifting devices.
4. The special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine according to claim 1 or 2, which is characterized in that: the interior of the base is in the form of a reinforcing network (11).
5. The special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine according to claim 1 or 2, which is characterized in that: the periphery of the base (1) is provided with a drainage groove (8), and the drainage groove (8) is tightly matched with the base (1) and arranged around the base (1).
6. The special equipment for casting the thick-wall tile white alloy of the high-power low-speed diesel engine according to claim 3, which is characterized in that: the interior of the base is in the form of a reinforcing network (11).
7. The special equipment for casting the thick-wall tile white alloy of the high-power low-speed diesel engine according to claim 3, which is characterized in that: the periphery of the base (1) is provided with a drainage groove (8), and the drainage groove (8) is tightly matched with the base (1) and arranged around the base (1).
8. The special equipment for casting the thick-wall tile white alloy of the high-power low-speed diesel engine, which is disclosed in claim 6, is characterized in that: the periphery of the base (1) is provided with a drainage groove (8), and the drainage groove (8) is tightly matched with the base (1) and arranged around the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222553999.5U CN219112813U (en) | 2022-09-26 | 2022-09-26 | Special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222553999.5U CN219112813U (en) | 2022-09-26 | 2022-09-26 | Special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219112813U true CN219112813U (en) | 2023-06-02 |
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ID=86522636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222553999.5U Active CN219112813U (en) | 2022-09-26 | 2022-09-26 | Special equipment for casting thick-wall tile white alloy of high-power low-speed diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219112813U (en) |
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2022
- 2022-09-26 CN CN202222553999.5U patent/CN219112813U/en active Active
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