Pouring mold special for epoxy resin pouring bus

Abstract

The utility model discloses a special pouring mold for an epoxy resin pouring bus, and relates to the technical field of bus duct processing. Comprising a bus duct body, a mold body is detachably installed outside the bus duct body, the mold body comprises a first L-shaped mold closing plate and a second L-shaped mold closing plate, the two ends of the first L-shaped mold closing plate extend to be provided with first mounting plates, the two ends of the second L-shaped mold closing plate extend to be provided with second mounting plates, and a sprue gate is formed in the top of the second L-shaped mold closing plate in a penetrating mode; a pouring sealing plate is mounted at the upper end of the pouring opening; the pouring sealing plate and the second L-shaped mold closing plate are fixed through the butterfly-shaped short-rod bolt, after epoxy resin in the mold body is solidified, the first L-shaped mold closing plate and the second L-shaped mold closing plate can be removed by taking down the fastening bolt, and therefore pouring is completed, operation is more convenient, and the effects of being safe, reliable and capable of meeting design requirements are achieved. And the special requirements on operators are effectively reduced, so that the construction task can be efficiently completed.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar duct processing, in particular to a special casting mould for epoxy resin casting busbar. Background Art

[0002] With the development of economy, bus duct is more and more widely used in low voltage power supply and distribution projects, and the demand in medium and high voltage power transmission and distribution lines is also gradually increasing. For 6kV~35kV medium and high voltage bus duct, most of the insulation structure adopts air-insulated common box bus. Due to the large size and weight of common box bus, it occupies a large space, which brings great inconvenience to installation. Therefore, the market has also appeared resin casting, cross-linked polyethylene module assembly, lining insulation bracket and then casting and other insulation types of bus duct to replace the common box bus.

[0003] Resin cast bus duct is a new type of metal-free bus duct that uses high-performance insulating resin to cast the bus duct. The busbar is directly cast and sealed, and the protection level reaches IP68. It has four protection functions including waterproof, fireproof, anti-corrosion and explosion-proof. However, the production of this type of bus requires special molds, and the manufacturing cost of this type of mold is relatively high, and it is very inconvenient to operate.

[0004] Therefore, a casting mold which is easy to cast and has lower cost is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a special casting mould for epoxy resin casting busbar, which solves the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special casting mold for epoxy resin casting busbar, including a bus duct body, a mold body detachably installed on the outside of the bus duct body, the mold body including a first L-shaped joint plate and a second L-shaped joint plate, both ends of the first L-shaped joint plate are extended with a first mounting plate, both ends of the second L-shaped joint plate are extended with a second mounting plate, a casting port is opened through the top of the second L-shaped joint plate, and a casting sealing plate is installed on the upper end of the casting port.

[0007] Preferably, fastening bolts are installed between the first mounting plate and the second mounting plate, and butterfly short-rod bolts are installed between the casting sealing plate and the second L-shaped joint plate. The butterfly short-rod bolts pass through the surface of the casting sealing plate and are threadedly installed on the top of the second L-shaped joint plate.

[0008] Preferably, the side ends of the first L-shaped joint plate and the second L-shaped joint plate form a socket, the bus duct body is slidably installed on the inner wall of the socket, and a double-layer sealing strip is filled between the surface of the bus duct body and the inner wall of the socket.

[0009] Preferably, a sealing groove is provided at the top of the second L-shaped joint plate, and the inner wall of the sealing groove is filled with a rubber strip.

[0010] Compared with the related art, the epoxy resin casting busbar special casting mold provided by the utility model has the following beneficial effects:

[0011] The utility model provides a special casting mold for epoxy resin casting busbar, wherein a first L-shaped joint plate and a second L-shaped joint plate are installed on both sides of a busbar duct main body that has been adjusted to be cast, and then the fastening bolts are used to tighten the second mounting plate and the first mounting plate to complete the mold closing of the first L-shaped joint plate and the second L-shaped joint plate on the busbar duct main body, and then a mold release agent is applied to the inner surface of the mold main body, and then epoxy resin with a prepared mixing ratio is injected into the mold main body for casting, so that the epoxy resin is completely coated on the outer surface of the busbar duct main body, and after the injection is completed, a casting sealing plate is placed on the top of the second L-shaped joint plate, and the casting sealing plate and the second L-shaped joint plate are fixed by butterfly short rod bolts, and after the epoxy resin in the mold main body is solidified, the fastening bolts are removed to remove the first L-shaped joint plate and the second L-shaped joint plate, thereby completing the casting, and the operation is more convenient, and has the effects of safety, reliability and compliance with design requirements, without complicated operating procedures, and effectively reducing special requirements for operators, so that the construction task can be completed efficiently.

[0012] The utility model provides a special casting mold for epoxy resin casting busbar. In the process of using a first L-shaped joint plate and a second L-shaped joint plate for mold closing, firstly, the fastening bolts are half-tightened at the second mounting plate and the first mounting plate, and then a double-layer sealing strip is installed on the inner wall of the socket formed by the side ends of the first L-shaped joint plate and the second L-shaped joint plate, and the sealing strip is filled between the first L-shaped joint plate and the second L-shaped joint plate, so that the contact surface between the double-layer sealing strip and the busbar duct body is tight and seamless, and after the inspection is qualified, the fastening bolts can be completely tightened, and then the rubber strip is filled into the inside of the sealing groove, that is, around the pouring port, and the installation flatness is measured with a level ruler, and then casting can be carried out, so that the sealing performance of the mold body can be effectively guaranteed during the casting process, thereby effectively improving the casting quality, and it can be easily disassembled after the casting is completed, and the practicality is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the pouring sealing plate structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the first L-shaped template of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the second L-shaped template of the utility model.

[0017] In the figure: 1. mold body, 11. first L-shaped joint plate, 12. second L-shaped joint plate, 13. casting sealing plate, 14. butterfly short rod bolt, 15. fastening bolt, 16. sealing groove, 17. pouring port, 18. second mounting plate, 19. double-layer sealing strip, 2. first mounting plate, 3. bus duct body. DETAILED DESCRIPTION

[0018] See also Figure 1-Figure 4 The utility model provides a technical solution, including a bus duct body 3, a mold body 1 is detachably installed on the outside of the bus duct body 3, the mold body 1 includes a first L-shaped joint plate 11 and a second L-shaped joint plate 12, first mounting plates 2 are extended at both ends of the first L-shaped joint plate 11, second mounting plates 18 are extended at both ends of the second L-shaped joint plate 12, a pouring port 17 is opened through the top of the second L-shaped joint plate 12, and a pouring sealing plate 13 is installed on the upper end of the pouring port 17; a fastening bolt 15 is installed between the first mounting plate 2 and the second mounting plate 18, a butterfly short rod bolt 14 is installed between the pouring sealing plate 13 and the second L-shaped joint plate 12, and the butterfly short rod bolt 14 passes through the surface of the pouring sealing plate 13 and is threadedly installed on the top of the second L-shaped joint plate 12;

[0019] First, the first L-shaped joint plate 11 and the second L-shaped joint plate 12 are installed on both sides of the adjusted bus duct body 3 to be cast, and then the fastening bolts 15 are used to tighten the second mounting plate 18 and the first mounting plate 2 to complete the first L-shaped joint plate 11 and the second L-shaped joint plate 12 to mold the bus duct body 3, and then the mold release agent is applied to the inner surface of the mold body 1, and then the epoxy resin with a prepared ratio is injected into the mold body 1 for casting, so that the epoxy resin is completely coated on the outer surface of the bus duct body 3. After the injection is completed, The pouring sealing plate 13 is placed on the top of the second L-shaped joint plate 12, and the pouring sealing plate 13 and the second L-shaped joint plate 12 are fixed by butterfly short rod bolts 14. After the epoxy resin inside the mold body 1 is solidified, the fastening bolts 15 are removed to dismantle the first L-shaped joint plate 11 and the second L-shaped joint plate 12, thereby completing the pouring. The operation is more convenient and has the effects of safety, reliability and compliance with design requirements. There is no complicated operating procedure, which effectively reduces the special requirements for operators, so that the construction task can be completed efficiently.

[0020] The side ends of the first L-shaped joint plate 11 and the second L-shaped joint plate 12 form a socket, the bus duct body 3 is slidably installed on the inner wall of the socket, and a double-layer sealing strip 19 is filled between the surface of the bus duct body 3 and the inner wall of the socket; a sealing groove 16 is opened on the top of the second L-shaped joint plate 12, and the inner wall of the sealing groove 16 is filled with a rubber strip;

[0021] In the process of using the first L-shaped clamping plate 11 and the second L-shaped clamping plate 12 for clamping, first tighten the fastening bolts 15 halfway at the second mounting plate 18 and the first mounting plate 2, and then install the double-layer sealing strip 19 on the inner wall of the socket formed by the side ends of the first L-shaped clamping plate 11 and the second L-shaped clamping plate 12, and fill the sealing strip between the first L-shaped clamping plate 11 and the second L-shaped clamping plate 12, so that the contact surface between the double-layer sealing strip 19 and the bus duct body 3 is tight and seamless. After passing the inspection, the fastening bolts 15 can be fully tightened, and then the rubber strip is filled into the inside of the sealing groove 16, that is, around the pouring port 17, and the installation flatness is measured with a spirit level. Then, pouring can be carried out, so that the sealing of the mold body 1 can be effectively guaranteed during the pouring process, thereby effectively improving the pouring quality, and it can be easily disassembled after the pouring is completed, further improving the practicality.

Claims

1. A special casting mold for epoxy resin casting busbar, comprising a busbar duct body (3), wherein a mold body (1) is detachably mounted on the outside of the busbar duct body (3), Features: The mold body (1) comprises a first L-shaped joint plate (11) and a second L-shaped joint plate (12), wherein first mounting plates (2) are extended from both ends of the first L-shaped joint plate (11), second mounting plates (18) are extended from both ends of the second L-shaped joint plate (12), a pouring port (17) is provided through the top of the second L-shaped joint plate (12), and a pouring sealing plate (13) is installed at the upper end of the pouring port (17).

2. A special casting mold for epoxy resin casting busbar according to claim 1, Features: A fastening bolt (15) is installed between the first mounting plate (2) and the second mounting plate (18), and a butterfly short-rod bolt (14) is installed between the casting sealing plate (13) and the second L-shaped joint plate (12). The butterfly short-rod bolt (14) passes through the surface of the casting sealing plate (13) and is threadedly installed on the top of the second L-shaped joint plate (12).

3. A special casting mold for epoxy resin casting busbar according to claim 2, Features: The side ends of the first L-shaped joint plate (11) and the second L-shaped joint plate (12) form a socket, the bus duct body (3) is slidably installed on the inner wall of the socket, and a double-layer sealing strip (19) is filled between the surface of the bus duct body (3) and the inner wall of the socket.

4. A special casting mold for epoxy resin casting busbar according to claim 3, Features: A sealing groove (16) is provided at the top of the second L-shaped joint plate (12), and the inner wall of the sealing groove (16) is filled with a rubber strip.

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