Prefabricated pouring type fireproof bus duct

Abstract

The utility model relates to the technical field of fire-resistant bus ducts, and discloses a prefabricated pouring type fire-resistant bus duct, which comprises a bus box lantern ring, a protective cover slot is arranged inside the bus box lantern ring, a metal protective cover is movably sleeved inside the protective cover slot, a protective cover bolt hole is arranged outside the metal protective cover, and the protective cover bolt hole is connected with the protective cover slot. A protection cover bolt is movably sleeved with the protection cover bolt hole, the bus duct tube barrel is fixedly connected to the outer portion of the bus box lantern ring, a sealing cover bolt is movably sleeved with the concave sealing cover, and a sealing cover connecting plate is movably sleeved with the sealing cover bolt; according to the utility model, the metal protective cover is arranged, so that the loss of the protective equipment in a long-term use process can be reduced through the installed metal protective cover, the service life of the equipment is further prolonged, and when the metal protective cover is damaged, an operator can conveniently replace the metal protective cover at any time; and the use experience of an operator is effectively optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-resistant bus ducts, and more specifically to a prefabricated cast-type fire-resistant bus duct. Background Art

[0002] Prefabricated, cast-in-place fire-resistant busbar ducting is a widely used device in the power transmission and distribution industry. It combines prefabrication and casting techniques to improve construction efficiency and fire resistance. Typically constructed from high-temperature refractory materials, these busbar ducts maintain structural integrity in high-temperature environments, effectively protecting wires and cables from fire hazards. This busbar duct design typically includes a double-layered outer shell filled with fire-resistant insulation and coated with a fire-retardant coating to achieve its fire resistance.

[0003] The existing prefabricated cast-type refractory bus duct will reduce the service life of the equipment during long-term use in daily use, making the equipment prone to safety accidents. When the equipment casing is damaged, it will also affect the operator's use, thereby affecting the operator's experience.

[0004] The existing prefabricated cast-type refractory bus duct may fail during daily use due to foreign objects or water seepage inside the bus duct tube, affecting the normal use of the operator. When a failure occurs inside the equipment, it will also affect the operator's ability to disassemble the bus duct tube, thereby affecting the operator's experience. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a prefabricated cast-type refractory bus duct to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a prefabricated cast-type fire-resistant bus duct, comprising a bus box ring, a protection cover slot is provided inside the bus box ring, the inside of the protection cover slot is movably connected to a metal protection cover, a protection cover bolt hole is provided outside the metal protection cover, the inside of the protection cover bolt hole is movably connected to a protection cover bolt, the outside of the bus box ring is fixedly connected to a bus duct tube, the top of the bus duct tube is movably connected to a concave sealing cover, the inside of the concave sealing cover is movably connected to the sealing cover bolt, and the outside of the sealing cover bolt is movably connected to a sealing cover connecting plate.

[0007] Furthermore, the outside of the concave sealing cover is fixedly connected to a concave cover handle.

[0008] Furthermore, the interior of the bus duct tube is fixedly connected to the exterior of the protective cover slot and is fixedly connected to the side panel.

[0009] Furthermore, the interior of the bus duct tube is fixedly connected to a flame retardant partition, and a solidified liquid flow groove is opened inside the flame retardant partition.

[0010] Furthermore, the interior of the flame-retardant partition is fixedly sleeved with a busbar conductive sheet.

[0011] Furthermore, the outer portion of the bus duct conductive sheet is fixedly sleeved with an insulating sleeve.

[0012] Furthermore, the outside of the bus duct conductive sheet is fixedly sleeved with mica tape.

[0013] Technical effects and advantages of this utility model:

[0014] 1. The utility model provides a metal protective cover, which facilitates the insertion of protective cover bolts through the protective cover bolt holes provided in the busbar box collar, thereby securing the metal protective cover within the protective cover slots provided in the busbar box collar. The installed metal protective cover can reduce wear and tear on the protective device during long-term use, thereby increasing the service life of the device. Furthermore, if the metal protective cover is damaged, the operator can easily replace it at any time, effectively optimizing the user experience.

[0015] 2. The utility model provides a concave sealing cover, which facilitates the insertion of sealing cover bolts through the sealing cover connecting plate fixedly connected to the interior of the bus duct tube. The concave sealing cover is then fixed to the top of the bus duct tube using the sealing cover bolts. This facilitates the operator to seal the bus duct tube, thereby protecting the components inside the bus duct tube from malfunctions caused by foreign matter or water seepage. It also facilitates the operator to disassemble and inspect components during equipment maintenance, effectively optimizing the operator's user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the metal protective cover structure of the present utility model.

[0018] Figure 3 This is a schematic structural diagram of the concave sealing cover of the present utility model.

[0019] Figure 4 This is a schematic diagram of the bus duct tube structure of the present utility model.

[0020] The figures are marked as follows: 1. busbar box ring; 2. protective cover slot; 3. metal protective cover; 4. protective cover bolt hole; 5. protective cover bolt; 6. busbar duct tube; 7. concave sealing cover; 8. sealing cover bolt; 9. sealing cover connecting plate; 101. concave cover handle; 102. connecting side panel; 103. flame retardant partition; 104. solidified liquid flow trough; 105. busbar duct conductive sheet; 106. insulating sleeve; 107. mica tape. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures described in the following embodiments are merely examples. The prefabricated cast-type refractory bus duct involved in the present invention is not limited to the various structures described in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Reference Figure 1-4 The utility model provides a prefabricated cast-type fire-resistant bus duct, including a bus box ring 1, a protection cover slot 2 is opened inside the bus box ring 1, a metal protection cover 3 is movably sleeved inside the protection cover slot 2, and a protection cover bolt hole 4 is opened outside the metal protection cover 3, and a protection cover bolt 5 is movably sleeved inside the protection cover bolt hole 4, which is convenient for sleeved through the protection cover bolt hole 4 opened in the bus box ring 1 to sleeve the protection cover bolt 5, thereby fixing the metal protection cover 3 sleeved in the protection cover slot 2 opened in the bus box ring 1. The installed metal protection cover 3 can reduce the loss of the protection equipment during long-term use, thereby increasing the service life of the equipment, and when the metal protection cover 3 is damaged, it can also be convenient for the operator to replace the metal protection cover 3 at any time. , effectively optimizing the operator's usage experience, the outside of the busbar box ring 1 is fixedly connected to the busbar trough tube 6, the top of the busbar trough tube 6 is movably connected to the concave sealing cover 7, the inside of the concave sealing cover 7 is movably sleeved with the sealing cover bolt 8, and the outside of the sealing cover bolt 8 is movably sleeved with the sealing cover connecting plate 9, which is conducive to sleeve-connecting the sealing cover bolt 8 through the sealing cover connecting plate 9 fixedly connected to the inside of the busbar trough tube 6, and using the sealing cover bolt 8 to fix the concave sealing cover 7 to the top of the busbar trough tube 6, so as to facilitate the operator to seal the busbar trough tube 6, thereby protecting the components inside the busbar trough tube 6 from malfunctions caused by foreign matter or water seepage, and also facilitate the operator to disassemble and inspect the components when maintaining the equipment, thereby effectively optimizing the operator's usage experience.

[0023] In a preferred embodiment, the exterior of the concave sealing cover 7 is fixedly connected to a concave cover handle 101 , which facilitates an operator to lift the concave sealing cover 7 .

[0024] In a preferred embodiment, the inside of the bus duct tube 6 is fixedly connected to the outside of the protective cover slot 2 to ensure the reliability and safety of the connection and the smooth transmission of current.

[0025] In a preferred embodiment, the interior of the bus duct tube 6 is fixedly connected to a flame retardant partition 103, which effectively prevents the fire and high temperature from spreading through the bus duct, thereby protecting the integrity of the internal component structure. A solidified liquid flow groove 104 is opened inside the flame retardant partition 103, which is conducive to the operator pouring the solidified liquid into the bus duct tube 6 so that it can be evenly distributed inside the bus duct tube 6.

[0026] In a preferred embodiment, the interior of the flame retardant partition 103 is fixedly sleeved with the busbar conductive sheet 105 , and the busbar conductive sheet 105 can withstand high current loads to ensure high efficiency of power transmission.

[0027] In a preferred embodiment, the outer portion of the bus duct conductive sheet 105 is fixedly sleeved with an insulating sleeve 106 . The insulating sleeve 106 mainly functions to provide electrical insulation, ensuring that the conductive parts inside the bus duct are isolated from the external environment or other conductive parts, and preventing electrical short circuits and leakage.

[0028] In a preferred embodiment, the bus duct conductive sheet 105 is externally fixedly sleeved with a mica tape 107 . The mica tape 107 not only provides electrical insulation but also maintains structural integrity and insulation performance for a certain period of time in the event of a fire.

[0029] The working principle of the utility model is: a prefabricated cast fire-resistant bus duct, which is provided with a protective cover bolt hole 4 through the bus box collar 1 to sleeve the protective cover bolt 5, thereby fixing the metal protective cover 3 sleeved in the protective cover slot 2 opened in the bus box collar 1. The installed metal protective cover 3 can reduce the loss of the protection equipment during long-term use, thereby increasing the service life of the equipment, and when the metal protective cover 3 is damaged, it can also be convenient for the operator to replace the metal protective cover 3 at any time, effectively optimizing the operator's use experience. The sealing cover connecting plate 9 is fixedly connected to the inside of the tube 6, and the sealing cover bolt 8 is sleeved, and the concave sealing cover 7 is fixed to the top of the bus duct tube 6 by using the sealing cover bolt 8, so that the operator can seal the bus duct tube 6 conveniently, thereby protecting the components inside the bus duct tube 6 from malfunctions caused by foreign matter or water seepage. At the same time, it is also convenient for the operator to disassemble and inspect the components when performing maintenance on the equipment, thereby effectively optimizing the operator's experience of use. The outside of the concave sealing cover 7 is fixedly connected to the concave cover handle 101, which is conducive to the operator's convenience in lifting the concave sealing The cover 7, the internal fixed connection of the bus duct tube 6 and the external fixed connection of the protective cover slot 2 are connected to the side plate 102 to ensure the reliability and safety of the connection and the smooth transmission of the current. The internal fixed connection of the bus duct tube 6 and the flame retardant partition 103 can effectively prevent the spread of fire and high temperature through the bus duct, thereby protecting the integrity of the internal component structure. The flame retardant partition 103 is provided with a solidified liquid flow groove 104 inside, which is conducive to the operator pouring the solidified liquid into the bus duct tube 6. When the flame retardant partition 103 is opened, the solidified liquid can be evenly distributed inside the bus duct tube 6. The bus duct conductive sheet 105 is fixedly sleeved internally, and the bus duct conductive sheet 105 can withstand high current loads to ensure efficient power transmission. The bus duct conductive sheet 105 is fixedly sleeved externally with an insulating sleeve 106. The main function of the insulating sleeve 106 is to provide electrical insulation to ensure that the conductive parts inside the bus duct are isolated from the external environment or other conductive parts to prevent electrical short circuits and leakage. The bus duct conductive sheet 105 is fixedly sleeved externally with a mica tape 107. The mica tape 107 not only provides electrical insulation, but also can maintain structural integrity and insulation performance for a certain period of time in the event of a fire.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0032] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A prefabricated cast-type refractory bus duct, comprising a bus box ring (1), characterized in that: The busbar box collar (1) is provided with a protective cover slot (2) inside, the protective cover slot (2) is movably connected to a metal protective cover (3), the metal protective cover (3) is provided with a protective cover bolt hole (4) outside, the protective cover bolt hole (4) is movably connected to a protective cover bolt (5), the outside of the busbar box collar (1) is fixedly connected to a busbar duct tube (6), the top of the busbar duct tube (6) is movably connected to a concave sealing cover (7), the inside of the concave sealing cover (7) is movably connected to a sealing cover bolt (8), and the outside of the sealing cover bolt (8) is movably connected to a sealing cover connecting plate (9).

2. The prefabricated cast-type refractory bus duct according to claim 1, characterized in that: The outside of the concave sealing cover (7) is fixedly connected to a concave cover handle (101).

3. The prefabricated cast-type refractory bus duct according to claim 1, characterized in that: The interior of the bus duct tube (6) is fixedly connected to the exterior of the protective cover slot (2) and is fixedly connected to the side plate (102).

4. The prefabricated cast-type refractory bus duct according to claim 1, characterized in that: The interior of the bus duct tube (6) is fixedly connected to a flame retardant partition (103), and a solidified liquid flow groove (104) is provided inside the flame retardant partition (103).

5. The prefabricated cast-type refractory bus duct according to claim 4, characterized in that: The interior of the flame-retardant partition (103) is fixedly sleeved with a busbar conductive sheet (105).

6. The prefabricated cast-type refractory bus duct according to claim 5, characterized in that: The outer portion of the bus duct conductive sheet (105) is fixedly sleeved with an insulating sleeve (106).

7. The prefabricated cast-type refractory bus duct according to claim 5, characterized in that: The exterior of the bus duct conductive sheet (105) is fixedly sleeved with a mica tape (107).

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