CN214937672U - Wind-powered electricity generation blade high strength bolt heat treatment oven - Google Patents
Wind-powered electricity generation blade high strength bolt heat treatment oven Download PDFInfo
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- CN214937672U CN214937672U CN202120503066.8U CN202120503066U CN214937672U CN 214937672 U CN214937672 U CN 214937672U CN 202120503066 U CN202120503066 U CN 202120503066U CN 214937672 U CN214937672 U CN 214937672U
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Abstract
The utility model relates to a wind power blade high strength bolt heat treatment oven, which comprises a shell and a gas storage tank; a layer of placing plate is horizontally arranged in the shell, and through holes are formed in the placing plate, so that the problem of uneven heating caused by the fact that bolts are piled together is solved; a rotating roller is arranged in the middle of the placing plate, bearings are arranged at the left end and the right end of the rotating roller, and the bearings are arranged in the left side wall and the right side wall of the shell; a motor is arranged on the left side of the shell; the mounting plate is arranged below the placing plate, the heating wire is arranged on the mounting plate, and the ceramic sleeve is arranged on the outer layer of the heating wire, so that the surface heat treatment uniformity of the bolt can be improved; casing top central authorities are provided with into fan, and the heating chamber is connected to air inlet fan top, and the gas holder is connected through the gas-supply pipe in the upper end in heating chamber, and the storage has nitrogen gas in the gas holder, and the below of air inlet fan is provided with the current equalizer, makes the bolt carry out thermal treatment under the environment that is full of nitrogen gas, guarantees the stability of surface texture tissue, improves the quality of bolt thermal treatment then.
Description
Technical Field
The utility model relates to a bolt machining field especially relates to wind-powered electricity generation blade high strength bolt heat treatment oven.
Background
The high-strength bolt connection is one of the most widely applied connection modes in wind power equipment, and has the advantages of simplicity and convenience in construction, detachability, good stress, fatigue resistance and the like. Wind power equipment needs to realize the high-strength connection of the structure through high-strength bolts due to the special requirements of the design of the wind power equipment, and the structural strength performance can still be kept under the action of continuous pulling force, shearing force and bending force. Therefore, the high-strength bolt for the wind power equipment needs to be endowed with physical and chemical performance indexes more suitable for the application scene through heat treatment.
The heat treatment refers to a metal hot working process for obtaining expected structure and performance by heating, insulating and cooling the material in a solid state; one of the important processes in mechanical manufacturing during metal heat treatment is that heat treatment generally does not change the shape and overall chemical composition of the workpiece, but rather imparts or improves the co-constructed service properties by changing the microstructure inside the workpiece or changing the chemical composition of the workpiece surface, as compared to other processes.
The existing wind power blade high-strength bolt heat treatment equipment adopts a rough and flat spreading mode to place bolts, and the bolts are easy to be accumulated together in the heat treatment heating process, so that the heating is uneven, and the heat treatment effect is influenced; meanwhile, a heating device in the existing heat treatment equipment cannot uniformly heat the bolts in all directions, and the quality stability difference between the bolts can be caused by the local temperature difference; moreover, the existing wind power blade high-strength bolt heat treatment equipment carries out heat treatment in an air environment, which may cause chemical reaction and tissue infiltration between the surface elements of the bolt and the elements in the air, thereby causing quality problems; therefore, the production and use industries of the existing wind power bolts urgently need a wind power blade high-strength bolt heat treatment oven which can improve the heating uniformity of the bolts and can reduce the uncertain reaction and penetration of the surface tissues of the bolts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the aforesaid not enough, provide one kind and can improve the bolt heating degree of consistency, can reduce the wind-powered electricity generation blade high strength bolt heat treatment oven of the uncertain reaction infiltration of bolt surface texture again.
The purpose of the utility model is realized like this:
a wind power blade high-strength bolt heat treatment oven comprises a shell, a placing plate, a heating wire, an air inlet fan and an air storage tank; a layer of mounting plate is horizontally arranged in the shell, and a circular through hole with a trapezoidal section is formed in the mounting plate; a rotating roller is arranged in the middle of the placing plate, bearings are arranged at the left end and the right end of the rotating roller, and the bearings are arranged in the left side wall and the right side wall of the shell; a motor is arranged on the left side of the shell, a rotating shaft of the motor is connected with the rotating roller, and the motor is a servo motor; the mounting plate is arranged below the placing plate and is of a hollow structure, heating wires which are longitudinally arranged are uniformly fixed on the mounting plate, ceramic sleeves are arranged on the outer layers of the heating wires, and the ceramic sleeves are arranged right below the middles of the adjacent through holes; the utility model discloses a shell, including casing, air inlet fan, gas holder, air inlet fan, air homogenizer, heating chamber, gas tank, air inlet fan's below is provided with the flow equalizer, and the aperture has evenly been seted up to hollow flow equalizer bottom surface.
The utility model discloses wind-powered electricity generation blade high strength bolt heat treatment oven, the circulation mouth has all been seted up to casing left and right sides bottom, and the circulation mouth outside is provided with the fan of bleeding.
The utility model discloses wind-powered electricity generation blade high strength bolt heat treatment oven, the outer parcel of casing has insulation material.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses wind-powered electricity generation blade high strength bolt heat treatment oven is provided with gas holder, air inlet fan, heating chamber and current equalizer, can fill nitrogen gas after preheating into the casing, makes the bolt carry out heat treatment in the nitrogen gas environment, guarantees the stability of bolt structural organization, improves bolt heat treatment quality; the center of the shell is provided with the placing plate, and the placing plate is provided with the through holes for placing bolts, so that the phenomenon of bolt accumulation is avoided, and the uniform heating in the heat treatment process is improved; the left end and the right end of the placing plate are connected with the bearing through the rotating rollers and can swing within a certain swing range under the driving of the motor, the heating wires are arranged below the placing plate, the bolts can be uniformly heated in the heat treatment process, and the stability of the product quality and the quality is improved.
Drawings
Fig. 1 is the structural schematic diagram of the heat treatment oven for high-strength bolts of wind power blades of the utility model.
Wherein: the device comprises a shell 1, a setting plate 2, a through hole 3, a bearing 4, a motor 5, a heating wire 6, a sleeve 7, a flow equalizer 8, an air inlet fan 9, a heating cavity 10, an air conveying pipe 11, an air storage tank 12, a mounting plate 13, an air extraction fan 14 and a circulation hole 15.
Detailed Description
Referring to fig. 1, the utility model relates to a wind power blade high strength bolt heat treatment oven, which comprises a shell 1, a setting plate 2, a heating wire 6, an air inlet fan 9 and an air storage tank 12; a layer of mounting plate 2 is horizontally arranged in the shell 1, a circular through hole 3 with a trapezoidal section is formed in the mounting plate 2, a bolt can be inserted into the through hole 3 for mounting, the head part of the bolt is clamped on the mounting plate 2, and a screw penetrates through the through hole 3, so that the problem of uneven heating caused by the fact that the bolt is piled up in the heat treatment process is solved; a rotating roller is arranged in the middle of the placing plate 2, bearings 4 are arranged at the left end and the right end of the rotating roller, the bearings 4 are arranged in the left side wall and the right side wall of the shell 1, and the placing plate 2 can rotate by taking the rotating roller as a circle center; a motor 5 is arranged on the left side of the shell 1, a rotating shaft of the motor 5 is connected with a rotating roller, the motor 5 is a servo motor and can drive the placing plate 2 to swing within 30 degrees clockwise and anticlockwise, and the surface heat treatment uniformity of the bolt can be improved; a mounting plate 13 is arranged below the placing plate 2, the mounting plate 13 is of a hollow structure, heating wires 6 which are longitudinally arranged are uniformly fixed on the mounting plate 13, ceramic sleeves 7 are arranged on the outer layers of the heating wires 6, and the ceramic sleeves 7 are arranged right below the middles of the adjacent through holes 3; the central part of the top of the shell 1 is provided with an air inlet fan 9, a heating cavity 10 is connected above the air inlet fan 9 for preheating the entering gas, the upper end of the heating cavity 10 is connected with a gas storage tank 12 through a gas delivery pipe 11, nitrogen gas is stored in the gas storage tank 12, a flow equalizer 8 is arranged below the air inlet fan 9, the bottom surface of the hollow flow equalizer 8 is uniformly provided with small holes, the nitrogen gas can be more uniformly introduced into the shell 1, so that the bolt is subjected to heat treatment in the environment filled with the nitrogen gas, the stability of the surface structure tissue is ensured, and the quality of the bolt heat treatment is improved;
further, the bottom ends of the left side and the right side of the shell 1 are both provided with a circulation port 15, and an exhaust fan 14 is arranged outside the circulation port 15 and used for exhausting gas in the shell 1 and adjusting the temperature and humidity;
furthermore, the outer layer of the shell 1 is wrapped with a heat insulation material, so that the temperature is prevented from dissipating, and the energy is saved.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (3)
1. Wind-powered electricity generation blade high strength bolt heat treatment oven, its characterized in that: comprises a shell (1), a placing plate (2), a heating wire (6), an air inlet fan (9) and an air storage tank (12); a layer of mounting plate (2) is horizontally arranged in the shell (1), and a circular through hole (3) with a trapezoidal section is formed in the mounting plate (2); a rotating roller is arranged in the middle of the placing plate (2), bearings (4) are arranged at the left end and the right end of the rotating roller, and the bearings (4) are arranged in the left side wall and the right side wall of the shell (1); a motor (5) is arranged on the left side of the shell (1), a rotating shaft of the motor (5) is connected with a rotating roller, and the motor (5) is a servo motor; a mounting plate (13) is arranged below the placing plate (2), the mounting plate (13) is of a hollow structure, heating wires (6) which are longitudinally arranged are uniformly fixed on the mounting plate (13), ceramic sleeves (7) are arranged on the outer layers of the heating wires (6), and the ceramic sleeves (7) are arranged right below the middles of the adjacent through holes (3); casing (1) top central authorities are provided with into fan (9), and heating chamber (10) are connected to air inlet fan (9) top, and gas holder (12) are connected through gas-supply pipe (11) in the upper end of heating chamber (10), and nitrogen gas has been stored in gas holder (12), the below of advancing fan (9) is provided with current equalizer (8), and the aperture has evenly been seted up to hollow current equalizer (8) bottom surface.
2. The wind turbine blade high strength bolt heat treatment oven according to claim 1, characterized in that: circulation port (15) have all been seted up to casing (1) left and right sides bottom, and circulation port (15) outside is provided with extraction fan (14).
3. The wind turbine blade high strength bolt heat treatment oven according to claim 1, characterized in that: the outer layer of the shell (1) is wrapped with a heat insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503066.8U CN214937672U (en) | 2021-03-10 | 2021-03-10 | Wind-powered electricity generation blade high strength bolt heat treatment oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503066.8U CN214937672U (en) | 2021-03-10 | 2021-03-10 | Wind-powered electricity generation blade high strength bolt heat treatment oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214937672U true CN214937672U (en) | 2021-11-30 |
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ID=79118233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503066.8U Active CN214937672U (en) | 2021-03-10 | 2021-03-10 | Wind-powered electricity generation blade high strength bolt heat treatment oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214937672U (en) |
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2021
- 2021-03-10 CN CN202120503066.8U patent/CN214937672U/en active Active
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