CN219599822U - High-strength electrical laminated wood board - Google Patents

Abstract

The utility model relates to the technical field of electrical laminated wood boards, and discloses a high-strength electrical laminated wood board, wherein adhesive is arranged between multiple layers of laminated boards, the multiple layers of laminated boards are adhered together through hot pressing of the adhesive, reinforcing strips are arranged between the multiple layers of laminated boards, the reinforcing strips are adhered together through the adhesive, the laminated boards are formed by splicing multiple single boards, the reinforcing strips are arranged at gaps among the single boards, raised strips are arranged on the upper surface and the lower surface of the reinforcing strips, the raised strips can be embedded into the single boards in hot pressing, and the structure can strengthen the connection strength between the connecting joints of the single boards by utilizing the reinforcing strips and the raised strips.

Description

High-strength electrical laminated wood board

Technical Field

The utility model belongs to the technical field of electrical laminated wood boards, and particularly relates to a high-strength electrical laminated wood board.

Background

The electrical laminated wood board is widely used for manufacturing parts such as an upper pressing plate, a lower pressing plate, a lead bracket, an iron yoke cushion block and the like in the oil immersed transformer, and is used for manufacturing clamping pieces in the transformer, so that the electrical laminated wood board replaces steel plates, insulating paperboards, epoxy paperboards and epoxy glass cloth boards for application in the aspects, and then the dead weight and the material cost of the transformer are reduced, and one of the electrical laminated wood board disclosed by bulletin board, such as bulletin board and the like, can be applied to the transformer.

In the prior art, the electrical laminated wood board is generally formed by hot-pressing and adhering a plurality of laminated boards, the laminated boards are generally formed by transversely splicing a plurality of single-piece wood boards, in the existing structure, the gap joints of the single-piece wood boards on the laminated boards are easy to tilt or deviate after being pressed, so that the joint strength of the gap joints is required to be improved, and therefore, the high-strength electrical laminated wood board is provided.

Disclosure of Invention

The utility model aims at: in order to solve the above-mentioned problems, a high-strength electrical laminated wood board is provided.

The technical scheme adopted by the utility model is as follows: the adhesive agent is arranged between the layers of the laminates, and the layers of the laminates are bonded together through the adhesive agent in a hot pressing mode;

by the above: the laminated boards are bonded together through hot pressing of adhesive, so that the electrical laminated board structure is formed.

A reinforcing slat is arranged between the laminated plates of the plurality of layers, and the reinforcing slat is adhered with the laminated plates through the adhesive;

by the above: the reinforcing strips reinforce the structural strength of the overall electrical laminate board.

The plywood is formed by splicing a plurality of single boards, the reinforcing lath is arranged at a gap between the single boards, convex strips are arranged on the upper surface and the lower surface of the reinforcing lath, and the convex strips can be embedded into the single boards in hot pressing.

By the above: this structure utilizes the sand grip embedding to control in the monolithic plank of concatenation to make the sand grip on the reinforcement slat can hold about the monolithic plank of concatenation, thereby improve the gap joint strength of monolithic plank, and the setting of sand grip can increase the gluey area that links of monolithic plank gap department, improve hot pressing adhesion strength.

In a preferred embodiment, the upper and lower adjacent single wood boards are arranged in a staggered manner.

By the above: the staggered arrangement avoids overlapping of the gaps of the single boards.

In a preferred embodiment, the single wood board is of birch material.

By the above: the single wood board made of the birch material has the advantages of moderate specific gravity, high mechanical strength, convenience in vacuum boring and easiness in mechanical processing, has the dielectric constant close to that of transformer oil, has reasonable insulation cooperation, and can be used in the transformer oil at 105 ℃ for a long time.

In a preferred embodiment, the adhesive is an epoxy glue.

By the above: the epoxy resin has the advantages of large adhesive force, high adhesive strength, small shrinkage and stable size, thereby having good connection stability.

In a preferred embodiment, the reinforcing strips and the ribs are both made of glass fiber.

By the above: the glass fiber material is tensile and compressive and insulating.

In a preferred embodiment, the reinforcing strip and the bead are of integral construction.

By the above: the integral structure has good integrity and ensures the structural strength.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the raised strips of the structural reinforcing strip plate can be embedded into the single-piece wood plates, and the single-piece wood plates spliced left and right can be pulled by the raised strips, so that the connection between the single-piece wood plates adjacent left and right is more precise, the glue connection area of the gaps of the single-piece wood plates can be increased by arranging the raised strips, the hot-press adhesion strength is improved, and the whole structure can effectively improve the connection strength between the single-piece wood plates.

2. In the structure, the reinforcing lath is arranged at the joint of the plurality of laminates, so that the strength of the whole electrical laminated wood board is improved by using the reinforcing lath, the compression deformation of the electrical laminated wood board is reduced, and the service life of the electrical laminated wood board is prolonged.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic perspective view of the reinforcement strip and the ribs of the present utility model.

The marks in the figure: 1. a laminate; 2. an adhesive; 3. reinforcing laths; 4. a single wood board; 5. a convex strip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A high strength electrical laminated wood board according to an embodiment of the present utility model will be described in detail with reference to fig. 1 to 3.

Examples:

the embodiment of the utility model provides a high-strength electrical laminated board, which is shown by referring to fig. 1, and comprises a plurality of layers of laminated boards 1, wherein adhesive 2 is arranged between the layers of laminated boards 1, the layers of laminated boards 1 are bonded together through the adhesive 2 in a hot-pressing manner, and the structural laminated boards 1 are bonded together through the adhesive 2 in a hot-pressing manner, so that an electrical laminated board structure is formed.

Referring to fig. 1 and 3, a reinforcing strip 3 is provided between a plurality of laminate plates 1, the reinforcing strip 3 is adhered to the laminate plates 1 by an adhesive 2, and the structure uses the reinforcing strip 3 to reinforce the structural strength of the whole electrical laminated wood board.

Referring to fig. 2 and 3, the laminate 1 is formed by splicing a plurality of single boards 4, the reinforcing boards 3 are arranged at the gaps between the single boards 4, the raised strips 5 are arranged on the upper and lower surfaces of the reinforcing boards 3, the raised strips 5 can be embedded into the single boards 4 in hot pressing, the raised strips 5 are embedded into the two single boards 4 spliced left and right, so that the raised strips 5 on the reinforcing boards 3 can pull the single boards 4 spliced left and right, the gap connection strength of the single boards 4 is improved, the glue connection area of the gaps of the single boards 4 can be increased by the arrangement of the raised strips 5, and the hot pressing adhesion strength is improved.

Referring to fig. 1, the single boards 4 adjacent to each other up and down are arranged in a staggered way, and the staggered arrangement avoids overlapping of gaps of the single boards.

Referring to fig. 2, the single wood board 4 is made of birch material, and the single wood board 4 made of birch material has the advantages of moderate specific gravity, high mechanical strength, convenience in vacuum boring and easiness in mechanical processing, has a dielectric constant close to that of transformer oil, has reasonable insulation cooperation, and can be used in transformer oil at 105 ℃ for a long time.

Referring to fig. 1, the adhesive 2 is an epoxy resin adhesive, which has the advantages of high adhesive strength, small shrinkage and stable size, so that the connection stability is good.

Referring to fig. 1 and 3, the reinforcing strips 3 and the protruding strips 5 are made of glass fiber materials, and the glass fiber materials are tensile and compressive, are insulating, and can effectively strengthen the strength of the whole electrical laminated board.

Referring to fig. 3, the reinforcing strip plate 3 and the protruding strip 5 are in an integrated structure, and the integrated structure has good integrity and structural strength.

The implementation principle of the high-strength electrical laminated wood board provided by the embodiment of the utility model is as follows: when the electrical laminated wood board is manufactured, a layer of laminated board 1 is firstly placed, then a reinforcing slat 3 is arranged at the gap of the single wood boards 4 of the laminated board 1, meanwhile, an adhesive 2 is brushed, then one side of the laminated board 1 is paved, the laminated boards are sequentially paved upwards according to the required thickness, in the paving process, the single wood boards 4 on the upper and lower adjacent laminated boards are arranged in a staggered mode, the joint joints of the single wood boards 4 are prevented from being overlapped up and down, after the paving process, the paved structure is sent into a hot-press adhesion machine to be subjected to press adhesion, so that the electrical laminated wood board is formed, in the hot-press adhesion process, the strength of the whole electrical laminated wood board can be enhanced by utilizing the reinforcing slat 3, meanwhile, the raised strips 5 of the reinforcing slat 3 can be embedded into the single wood boards 4 which are spliced left and right, the gap transverse connection strength of the single wood boards 4 is enhanced, and the glue connection area of the single wood boards 4 and the reinforcing slat 3 is increased, and the upper and lower connection strength is improved.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. A high strength electrical laminate board comprising a plurality of layers of laminate board (1), characterized in that: an adhesive (2) is arranged between the layers of laminates (1), and the layers of laminates (1) are bonded together through hot pressing of the adhesive (2);

a reinforcing slat (3) is arranged between the laminated plates (1) of the plurality of layers, and the reinforcing slat (3) is adhered with the laminated plates (1) through the adhesive (2);

laminate (1) is spliced by a plurality of monolithic planks (4), reinforcing lath (3) set up gap department between monolithic plank (4), reinforcing lath (3) upper and lower two sides all are provided with sand grip (5), sand grip (5) can be embedded into in the hot pressing monolithic plank (4).

2. A high strength electrical laminated board as claimed in claim 1, wherein: the single wood boards (4) which are adjacent up and down are arranged in a staggered way.

3. A high strength electrical laminated board as claimed in claim 1, wherein: the single wood board (4) is made of birch material.

4. A high strength electrical laminated board as claimed in claim 1, wherein: the adhesive (2) is epoxy resin adhesive.

5. A high strength electrical laminated board as claimed in claim 1, wherein: the reinforcing strip plates (3) and the raised strips (5) are made of glass fiber materials.

6. A high strength electrical laminated board as claimed in claim 1, wherein: the reinforcing strip plate (3) and the raised strips (5) are of an integrated structure.