An electrofusion splicing device

Abstract

This utility model discloses an electrofusion welding device, including a housing and a pressure cap. The top of the housing is open, and the inner bottom wall of the housing is provided with a bottom-packing structure. The inner side wall of the housing is provided with a top-packing wall above the bottom-packing structure. The top of the outer side wall of the housing is fixedly provided with an annular upper connecting rib. The upper connecting rib has multiple vertically penetrating first through holes spaced apart along its circumference. The pressure cap is located on the top of the housing and has second through holes corresponding to the multiple first through holes. Through the above arrangement, the pressure cap and the housing flange are connected, which increases the connection strength between the pressure cap and the housing, allows the pressure cap to bear force more evenly, reduces the probability of deformation of the pressure cap due to pressure during the wrapping process, and thus avoids molten liquid leakage, improving the safety of the device during use.

Description

Technical Field

[0001] This utility model belongs to the technical field of refractory production equipment, specifically relating to an electrofusion welding device. Background Technology

[0002] During the production of refractory materials, the raw materials, after being melted in the furnace, are poured into a receiving ladle for cooling, allowing the molten liquid to crystallize and form dense blocks within the ladle. To prevent the proportion of dense blocks from decreasing due to excessive heat dissipation, a pressure cap is installed on the top of the receiving ladle during the cooling process.

[0003] Existing receiving bags typically have hooks spaced apart on the top of their outer side walls. When installing the cap, the cap must first be placed on top of the receiving bag, and then the hooks are used to press the cap tightly against the top. Specifically, there are usually 8-10 hooks, which are used to position the cap on top of the receiving bag. However, in this method, when the bag is turned over, the cap relies solely on these 8-10 hooks for positioning and force distribution. This makes the cap prone to uneven stress due to the limited number of stress points. When bearing a weight of approximately 30 tons, significant deformation can occur. After deformation, gaps will appear between the cap and the receiving bag, potentially leading to molten metal overflowing and burning the hooks, cap, and the receiving bag itself, posing a significant safety hazard. Utility Model Content

[0004] The present invention aims to provide an electrofusion welding device to solve the problem of easy deformation of the cap in the above-mentioned solutions.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An electrofusion welding device includes a housing and a pressure cap. The top of the housing is open, and the inner bottom wall of the housing is provided with a bottom-wrapping structure. The inner side wall of the housing is provided with a wall-wrapping structure on top of the bottom-wrapping structure. The top of the outer side wall of the housing is fixedly provided with an annular upper connecting rib. The upper connecting rib is provided with a plurality of vertically penetrating first through holes spaced apart along its circumference. The pressure cap is located on the top of the housing and is provided with second through holes opposite to the plurality of first through holes.

[0006] The principle and effects of this technical solution: When installing the gland, place the gland on top of the housing, then rotate the gland to align each first through hole with the corresponding second through hole. Then, pass the bolt members through the first through hole and the corresponding second through hole in sequence, and fit the nuts on the ends of the bolt members so that the bolt caps and nuts respectively press the upper connecting stiffener and the gland to form a flange-type connection structure.

[0007] By connecting the gland and the housing flange through the above settings, the connection strength between the gland and the housing can be increased, allowing the gland to be subjected to force more evenly, reducing the probability of deformation of the gland due to pressure when it is turned over, thereby preventing molten liquid leakage and improving the safety of the device during use.

[0008] In this invention, a short section tube arranged coaxially is fixedly connected to the outer periphery of the top of the pressure cap. Multiple reinforcing ribs are also fixedly arranged at intervals along the circumference of the top of the pressure cap. Each reinforcing rib is fixedly connected to the inner wall of the short section tube and the top of the pressure cap. This arrangement increases the structural strength of the pressure cap, further reducing the probability of deformation due to pressure during bag opening, and improving the safety of the device during use.

[0009] In this invention, multiple reinforcing ribs are spaced apart on the outer wall of the shell, and the vertical projection of each reinforcing rib is annular, with the inner wall of the reinforcing rib fixedly connected to the outer wall of the shell. This arrangement, utilizing the annular reinforcing ribs fixedly mounted on the outer wall of the shell, reduces the probability of lateral expansion of the shell due to the lateral thrust of the molten metal inside, thereby improving the structural strength of the shell.

[0010] In this utility model, two sets of connecting bracket rods are symmetrically fixedly arranged on the top of the outer side wall of the housing, and a hook bracket rod is fixedly arranged on the bottom of the outer side wall of the housing between the two connecting bracket rods.

[0011] In this utility model, the outer periphery of the connecting bracket rod is fixedly provided with axle plates at intervals, and the axle plates are also fixedly connected to the outer side wall of the shell.

[0012] The principle and effects of this technical solution: When a bag-turning operation is required, first hook one hoisting device onto the two connecting support rods and move the shell to the predetermined position. Then hook another hoisting device onto the support rod, causing the shell to rotate axially along the connecting support rod until the bag-turning operation is completed.

[0013] The above settings facilitate bag-flipping operations for staff and improve the practicality of the device.

[0014] In this utility model, a ring-shaped lower connecting rib is fixedly provided at the bottom of the outer side wall of the shell, and multiple base ribs are fixedly provided at intervals at the bottom of the shell. The base ribs are L-shaped and arranged radially along the shell. The base ribs are fixedly connected to the bottom of the outer side wall of the shell and the lower connecting ribs, respectively.

[0015] The above configuration enables multiple base ribs to provide stable support for the shell, reducing the possibility of the shell tipping over due to its small bottom area, and further improving the safety of the device during use.

[0016] In this invention, the number of first through holes is set to 24, and the multiple first through holes are arranged at equal intervals. This arrangement ensures that the gland is subjected to uniform force, reducing the probability of deformation due to insufficient force application points. Attached Figure Description

[0017] Figure 1 This is an isometric view of the overall structure of this utility model; Figure 2 This is a bottom-view axonometric drawing of the present invention; Figure 3 This is an isometric sectional view of the present invention; Figure 4 This is an exploded view of some components of this utility model. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments: The reference numerals in the accompanying drawings include: 10, brown corundum sand layer; 11, groove; 20, steel plate mesh; 21, first steel plate; 22, second steel plate; 30, shell; 31, upper connecting stiffener; 32, first through hole; 40, wall covering; 41, first refractory brick layer; 42, second refractory brick layer; 51, connecting support rod; 52, hook support rod; 53, armpit plate; 60, pressure cap; 61, second through hole; 62, short section tube; 63, reinforcing stiffener; 70, strengthening stiffener; 80, lower connecting stiffener; 90, base stiffener.

[0019] Example: As attached Figure 1-4As shown, this utility model discloses an electrofusion welding device, including a housing 30 and a pressure cap 60. The top of the housing 30 is open, and the inner bottom wall of the housing 30 is provided with a bottom-wrapping structure. The bottom-wrapping structure includes a brown fused alumina sand layer 10 and a steel plate mesh 20. The outer periphery of the top of the brown fused alumina sand layer 10 is provided with an annular groove 11. The steel plate mesh 20 is embedded in the brown fused alumina sand layer 10. The steel plate mesh 20 includes multiple first steel plates 21 arranged parallel to a first direction and multiple second steel plates 22 arranged parallel to a second direction. The bottom of the first steel plates 21 is inserted into the top of the second steel plates 22. The lower edge of the second steel plates 22 is lower than the lower edge of the first steel plates 21. The upper edges of the first steel plates 21 and the second steel plates 22 are both lower than the upper edge of the brown fused alumina sand layer 10. The brown fused alumina sand layer 10 is formed by compacting brown fused alumina sand particles, and the brown fused alumina sand particles... The particle surface has a phosphate passivation layer. The inner sidewall of the shell 30 is provided with a wrapping wall 40 at the top of the wrapping bottom structure. The wrapping wall 40 includes a first refractory brick layer 41 and a second refractory brick layer 42 arranged from the inside to the outside. The vertical cross section of the groove 11 is stepped. The bottom of the first refractory brick layer 41 and the second refractory brick layer 42 respectively abut against two straight sections of the groove 11 at different heights. The refractory brick layer is made of corundum brick or silicon carbide brick. The height difference between the two straight sections of the groove 11 is half the thickness of the brick. The top of the outer sidewall of the shell 30 is fixedly provided with an annular upper connecting rib plate 31. The upper connecting rib plate 31 has a plurality of vertically penetrating first through holes 32 spaced apart along its circumference. The pressure cap 60 is provided on the top of the shell 30. The pressure cap 60 has a second through hole 61 opposite to the plurality of first through holes 32.

[0020] In this embodiment, a short section tube 62 arranged coaxially is fixedly connected to the outer periphery of the top of the pressure cap 60, and a plurality of reinforcing ribs 63 are fixedly arranged at intervals along the circumference of the top of the pressure cap 60. Each of the reinforcing ribs 63 is fixedly connected to the inner sidewall of the short section tube 62 and the top of the pressure cap 60 respectively.

[0021] In this embodiment, the outer side wall of the housing 30 is provided with a plurality of reinforcing ribs 70 at intervals, and the vertical projection of each reinforcing rib 70 is annular, and the inner side wall of the reinforcing rib 70 is fixedly connected to the outer side wall of the housing 30.

[0022] In this embodiment, two sets of connecting bracket rods 51 are symmetrically fixedly arranged on the top of the outer side wall of the housing 30, and a hook bracket rod 52 is fixedly arranged between the two connecting bracket rods 51 at the bottom of the outer side wall of the housing 30.

[0023] In this embodiment, the connecting support rod 51 is fixedly provided with axle plates 53 at intervals on its outer periphery, and the axle plates 53 are also fixedly connected to the outer side wall of the housing 30.

[0024] In this embodiment, a ring-shaped lower connecting rib plate 80 is fixedly provided at the bottom of the outer side wall of the housing 30, and multiple base rib plates 90 are fixedly provided at intervals at the bottom of the housing 30. The base rib plates 90 are L-shaped and arranged radially along the housing 30. The base rib plates 90 are fixedly connected to the outer side wall of the housing 30 and the bottom of the lower connecting rib plate 80 respectively.

[0025] In this embodiment, the number of the first through holes 32 is set to 24, and the multiple first through holes 32 are arranged at equal intervals.

[0026] The specific implementation process is as follows: When installing the pressure cap 60, place the pressure cap 60 on top of the housing 30, then rotate the pressure cap 60 to align each of the first through holes 32 with the corresponding second through holes 61. Then, pass the bolt members through the first through holes 32 and the corresponding second through holes 61 in sequence, and fit the nuts on the ends of the bolt members so that the bolt caps and nuts respectively press the upper connecting stiffener 31 and the pressure cap 60 to form a flange-type connection structure.

[0027] When a bag-turning operation is required, first hook one hoisting device onto the two connecting support rods 51 and move the shell 30 to the predetermined position. Then hook another hoisting device onto the hook support rod 52, so that the shell 30 rotates axially along the connecting support rod 51 until the bag-turning operation is completed.

[0028] The parts of the device not covered herein are the same as or can be implemented using existing technologies.

[0029] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An electrofusion splicing device, characterized in that, include: The shell has an open top and a bottom-covering structure on its inner bottom wall. The inner side wall of the shell has a wall-covering structure on top of the bottom-covering structure. An annular upper connecting rib is fixedly provided on the top of the outer side wall of the shell. The upper connecting rib has multiple through holes spaced apart along its circumference. A pressure cap is disposed on the top of the housing, and the pressure cap has a second through hole opposite to a plurality of first through holes.

2. The electrofusion welding apparatus as described in claim 1, characterized in that: The outer periphery of the top of the gland is fixedly connected to a short section tube arranged coaxially. The top of the gland is also fixedly provided with a plurality of reinforcing ribs at intervals along its circumference. Each of the reinforcing ribs is fixedly connected to the inner side wall of the short section tube and the top of the gland.

3. The electrofusion welding apparatus as described in claim 1, characterized in that: The outer side wall of the shell is provided with multiple reinforcing ribs at intervals. The vertical projection of each reinforcing rib is annular, and the inner side wall of the reinforcing rib is fixedly connected to the outer side wall of the shell.

4. The electrofusion welding apparatus as described in claim 1, characterized in that: Two sets of connecting bracket rods are symmetrically fixedly installed on the top of the outer side wall of the housing, and a hook bracket rod is fixedly installed on the bottom of the outer side wall of the housing between the two connecting bracket rods.

5. The electrofusion welding apparatus as described in claim 4, characterized in that: The connecting support rod is fixedly provided with axle plates at intervals on its outer periphery, and the axle plates are also fixedly connected to the outer side wall of the shell.

6. The electrofusion welding apparatus as described in claim 1, characterized in that: A ring-shaped lower connecting rib is fixedly provided at the bottom of the outer side wall of the shell, and multiple base ribs are fixedly provided at intervals at the bottom of the shell. The base ribs are L-shaped and arranged radially along the shell. The base ribs are fixedly connected to the bottom of the outer side wall of the shell and the lower connecting ribs, respectively.

7. The electrofusion welding apparatus as described in claim 1, characterized in that: The number of the first through holes is set to 24, and the multiple first through holes are arranged at equal intervals.

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