Electric vehicle output shaft surface quenching device

By designing a quenching device for the output shaft of an electric vehicle, the output shaft is fixed internally by the coordination of fixed columns, support mechanisms and movable cylinders, and the surface of the output shaft is realized by the coordination of heating wires and sliding blocks. High-efficiency quenching solves the problem of insufficient quenching of the output shaft surface in the prior art, improves quenching efficiency and reduces costs.

CN222455110UActive Publication Date: 2025-02-11ZHEJIANG DASHAN METAL SCI
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Patent Information

Application Number
CN202420310339.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-20
Publication Date
2025-02-11
Estimated Expiration
2034-02-20

AI Technical Summary

Technical Problem

When the surface of the output shaft of the existing electric vehicle is quenched, the surface of the output shaft needs to be clamped, resulting in the clamped part that may not be quenched, and secondary quenching is required, which is time-consuming and labor-intensive and increases the quenching cost.

Method used

A surface quenching device for the output shaft of an electric vehicle is designed. Through the coordination of fixed columns, support mechanisms and movable cylinders, the output shaft is fixed from the inside, and the coordination of heating wires and sliding blocks is used to achieve efficient quenching of the output shaft surface.

Benefits of technology

The device improves quenching efficiency through the internal fixed output shaft, reduces the need for secondary quenching, reduces the quenching cost, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric vehicle output shaft surface quenching, and discloses an electric vehicle output shaft surface quenching device which comprises an operating platform, a supporting plate mounted on the upper side of the operating platform, a supporting column mounted between the supporting plate and the operating platform, a rotating motor mounted on the bottom side of the operating platform, and a rotating disc mounted on the upper side of the operating platform. A rotating shaft of the rotating motor penetrates through the operation platform and is in transmission fit with the rotating disc, a fixing column used for fixing the output shaft is integrally installed on the upper side of the rotating disc, a supporting mechanism is installed in the fixing column, the movable end of the supporting mechanism is attached to the inner wall of the output shaft, and a clamping groove is formed in the upper side of the fixing column. According to the scheme, the quenching device is simple in structure and convenient and fast to operate, the output shaft is fixed from the interior through cooperation of the fixing column, the supporting mechanism and the movable air cylinder, and the quenching efficiency of the output shaft is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of surface quenching of an output shaft of an electric vehicle, in particular to a surface quenching device for an output shaft of an electric vehicle. Background Art

[0002] The output shaft surface quenching device of electric vehicles is a process and equipment used to improve the hardness and wear resistance of the output shaft. Quenching is a metal heat treatment process that forms a hardened layer on the surface by rapidly cooling the heat-treated metal, thereby improving the hardness and strength of the material.

[0003] In electric vehicles, the output shaft is an important component for transmitting power and torque, and needs to have high wear resistance and strength. In order to increase the hardness of the output shaft, a surface quenching device can be used during the manufacturing process. The device uses high temperature to heat the surface of the output shaft, and then quickly cools it to harden it, thereby forming a hard surface hardened layer.

[0004] At present, when quenching the output shaft surface, it is usually necessary to clamp the output shaft surface, which may result in the clamped part not being quenched, thus requiring secondary quenching. This is time-consuming and labor-intensive, and also increases the quenching cost; therefore, it does not meet existing needs, and we have proposed a surface quenching device for the output shaft of an electric vehicle. Utility Model Content

[0005] The utility model provides a surface quenching device for an output shaft of an electric vehicle, which has the beneficial effect of fixing the output shaft, and solves the problem mentioned in the above background technology that when quenching the surface of the output shaft, the surface of the output shaft usually needs to be clamped, so that the clamped part may not receive the quenching, so secondary quenching is required, which is time-consuming and labor-intensive, and also increases the quenching cost.

[0006] The utility model provides the following technical solution: a surface quenching device for an output shaft of an electric vehicle, comprising an operating platform, a supporting plate is installed on the upper side of the operating platform, a supporting column is installed between the supporting plate and the operating platform, a rotating motor is installed on the bottom side of the operating platform, a rotating disk is installed on the upper side of the operating platform, the rotating shaft of the rotating motor passes through the operating platform, and the rotating shaft of the rotating motor is in transmission cooperation with the rotating disk, a fixing column for fixing the output shaft is integrally installed on the upper side of the rotating disk, a supporting mechanism is installed inside the fixing column, the movable end of the supporting mechanism is in contact with the inner wall of the output shaft, a clamping groove is opened on the upper side of the fixing column, a movable cylinder is installed on the bottom side of the supporting plate, the movable end of the movable cylinder is in contact with the clamping groove, a quenching mechanism is installed between the operating platform and the supporting plate, and a driving motor is installed on the upper side of the operating platform, and the rotating shaft of the driving motor cooperates with the movable end of the quenching mechanism.

[0007] As an optional solution of the surface quenching device for the output shaft of an electric vehicle described in the utility model, there are four support columns, which are installed in a rectangular array between the operating platform and the support plate.

[0008] As an optional solution for the surface quenching device of an electric vehicle output shaft described in the utility model, the supporting mechanism includes a movable groove opened on the surface of the fixed column, an annular block installed inside the movable groove, and a movable column movably inserted between the annular blocks, a fixed block is installed at one end of the movable column, and an interference block is installed at the other end of the movable column, and a reset spring is symmetrically installed between the fixed block and the annular block.

[0009] As an optional solution for the surface quenching device of an electric vehicle output shaft described in the utility model, there are six movable grooves, which are arranged in a circular array on the surface of the fixed column, and the movable grooves are communicated with the engaging grooves, the fixed block is arranged as a fan-shaped block, and the cross-sectional shape of the combination of the six fixed blocks is circular.

[0010] As an optional solution for the surface quenching device of the output shaft of an electric vehicle described in the utility model, the abutment block is configured as a semicircular block, and when the movable end of the movable cylinder is extended to the engaging groove, the abutment block contacts the movable end of the movable cylinder.

[0011] As an optional solution of the surface quenching device of an electric vehicle output shaft described in the utility model, the quenching mechanism includes a screw rod rotatably installed between the operating platform and the support plate, a sliding block movably installed on the surface of the screw rod, and a heating wire installed on the side of the sliding block, the sliding block is configured as an L-shaped block, a nozzle is installed on the side of the sliding block, the nozzle is correspondingly arranged on the upper side of the heating wire, and a connecting rod is installed between the heating wire and the sliding block.

[0012] As an optional solution for the surface quenching device of an electric vehicle output shaft described in the utility model, the heating wire is arranged in a ring shape, and the heating wire is movably sleeved on the surface of the output shaft, the rotating shaft of the driving motor passes through the supporting plate, and the rotating shaft of the driving motor cooperates with the screw transmission.

[0013] As an optional solution of the surface quenching device for the output shaft of an electric vehicle described in the utility model, a water tank is installed on the upper side of the support plate, and a connecting pipe is installed between the water tank and the nozzle.

[0014] The utility model has the following beneficial effects:

[0015] 1. The surface quenching device for the output shaft of an electric vehicle, when in use, manually sleeves the output shaft on the surface of a fixed column, and at the same time, a heating wire is matched with a sliding block and a screw rod, so that the heating wire is sleeved on the surface of the output shaft from the top of the output shaft, and at the same time, the movable end of the movable cylinder is extended to the inside of the engaging groove, so that the movable end of the movable cylinder squeezes the six resistance blocks, so that the resistance blocks retract into the inside of the movable groove, so that the fixed block installed at the other end of the movable column is unfolded. Since there are six fixed blocks, the unfolded circumference of the six fixed blocks is circular, so as to support and fix the output shaft sleeved on the surface of the fixed column. This scheme has a simple structure and is easy to operate. Through the cooperation of the fixed column, the supporting mechanism and the movable cylinder, the output shaft is fixed from the inside, thereby improving the quenching efficiency of the output shaft.

[0016] 2. When the electric vehicle output shaft surface quenching device is in use, the driving motor is started to rotate the screw rod, so that the sliding block movably installed on the surface of the screw rod moves, so that the heating wire installed on the side of the sliding block quenches the output shaft by moving. At the same time, a nozzle is installed on the side of the sliding block, so that water can be sprayed on the surface of the output shaft during quenching. This solution has a simple structure and is easy to operate. The surface of the output shaft is quenched by moving the heating wire up and down, which improves the quenching efficiency of the output shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0020] Figure 4 It is a schematic diagram of the supporting mechanism and the movable cylinder of the utility model.

[0021] Figure 5 This is a schematic diagram of the support mechanism structure of the utility model.

[0022] In the figure: 110, operating platform; 111, supporting column; 112, rotating motor; 120, supporting plate; 130, rotating disk; 140, fixed column; 141, engaging groove; 150, supporting mechanism; 151, movable groove; 152, annular block; 153, movable column; 154, fixed block; 155, resistance block; 156, return spring; 160, movable cylinder; 170, quenching mechanism; 171, screw rod; 172, sliding block; 173, nozzle; 174, heating wire; 175, connecting rod; 180, driving motor; 190, water tank, 191, connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1: This embodiment is intended to promote the solution of the problem that when quenching the output shaft surface, the output shaft surface usually needs to be clamped, which may result in the clamped part not being quenched, thus requiring secondary quenching, which is time-consuming and labor-intensive, and also increases the quenching cost. Please refer to Figure 1 - Figure 5 A surface quenching device for an electric vehicle output shaft comprises an operating platform 110, a support plate 120 is installed on the upper side of the operating platform 110, a support column 111 is installed between the support plate 120 and the operating platform 110, a rotating motor 112 is installed on the bottom side of the operating platform 110, a rotating disk 130 is installed on the upper side of the operating platform 110, the rotating shaft of the rotating motor 112 passes through the operating platform 110, and the rotating shaft of the rotating motor 112 is in transmission cooperation with the rotating disk 130, and a rotating disk 130 is integrally installed on the upper side of the rotating disk 130 for fixing the output shaft. The shaft is provided with a fixed column 140, a support mechanism 150 is installed inside the fixed column 140, the movable end of the support mechanism 150 is fitted with the inner wall of the output shaft, a snap-fit ​​groove 141 is provided on the upper side of the fixed column 140, a movable cylinder 160 is installed on the bottom side of the support plate 120, the movable end of the movable cylinder 160 is in contact with the snap-fit ​​groove 141, a quenching mechanism 170 is installed between the operating platform 110 and the support plate 120, a driving motor 180 is installed on the upper side of the operating platform 110, and the rotating shaft of the driving motor 180 cooperates with the movable end of the quenching mechanism.

[0025] Four support columns 111 are provided, and the four support columns 111 are installed in a rectangular array between the operating platform 110 and the support plate 120. The support mechanism 150 includes a movable groove 151 opened on the surface of the fixed column 140, and an annular block 152 installed inside the movable groove 151, and a movable column 153 movably inserted between the annular blocks 152, a fixed block 154 is installed at one end of the movable column 153, and a resistance block 155 is installed at the other end of the movable column 153, and a reset spring 156 is symmetrically installed between the fixed block 154 and the annular block 152, and the resistance block 155 and the fixed block 154 are reset by the setting of the reset spring 156.

[0026] There are six movable grooves 151 , which are arranged in a circular array on the surface of the fixed column 140 , and the movable grooves 151 are communicated with the engaging grooves 141 . The fixed block 154 is a fan-shaped block, and the cross-sectional shape of the combination of the six fixed blocks 154 is circular.

[0027] The abutment block 155 is configured as a semicircular block, so that the restriction on the movable end of the movable cylinder 160 when it is extended to the engaging groove 141 is reduced. When the movable end of the movable cylinder 160 is extended to the engaging groove 141 , the abutment block 155 contacts the movable end of the movable cylinder 160 .

[0028] In this embodiment: when in use, the output shaft is manually sleeved on the surface of the fixed column 140, and the heating wire 174 cooperates with the sliding block 172 and the screw rod 171, so that the heating wire 174 is sleeved on the surface of the output shaft from the top of the output shaft, and at the same time, the movable end of the movable cylinder 160 is extended to the inside of the engaging groove 141, so that the movable end of the movable cylinder 160 squeezes the six resistance blocks 155, so that the resistance blocks 155 retract into the inside of the movable groove 151, so that the fixed block 154 installed at the other end of the movable column 153 is unfolded. Since there are six fixed blocks 154, the unfolded circumference of the six fixed blocks 154 is circular, thereby supporting and fixing the output shaft sleeved on the surface of the fixed column 140. This solution has a simple structure and is easy to operate. Through the cooperation of the fixed column 140, the supporting mechanism 150 and the movable cylinder 160, the output shaft is fixed from the inside, thereby improving the quenching efficiency of the output shaft.

[0029] Embodiment 2: This embodiment is intended to promote the solution of the relatively simple problem of quenching the output shaft surface. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1 - Figure 5 The quenching mechanism 170 includes a screw rod 171 rotatably installed between the operating platform 110 and the support plate 120, a sliding block 172 movably installed on the surface of the screw rod 171, and a heating wire 174 installed on the side of the sliding block 172. The sliding block 172 is configured as an L-shaped block, and a nozzle 173 is installed on the side of the sliding block 172. The nozzle 173 is correspondingly arranged on the upper side of the heating wire 174. A connecting rod 175 is installed between the heating wire 174 and the sliding block 172. The heating wire 174 is a common device, so it is not explained in this embodiment.

[0030] The heating wire 174 is arranged in a ring shape, and is movably sleeved on the surface of the output shaft. The rotating shaft of the driving motor 180 passes through the supporting plate 120 , and the rotating shaft of the driving motor 180 is in transmission cooperation with the lead screw 171 .

[0031] A water tank 190 is installed on the upper side of the support plate 120, and a connecting pipe 191 is installed between the water tank 190 and the nozzle 173. The reserved length of the connecting pipe 191 allows the sliding block to move up and down.

[0032] In this embodiment: when in use, by starting the driving motor 180, the screw rod 171 is rotated, so that the sliding block 172 movably installed on the surface of the screw rod 171 is moved, so that the heating wire 174 installed on the side of the sliding block 172 quenches the output shaft by moving, and at the same time, the nozzle 173 is installed on the side of the sliding block 172, so that water can be sprayed on the surface of the output shaft during quenching. This solution has a simple structure and is easy to operate. The surface of the output shaft is quenched by moving the heating wire 174 up and down, which improves the quenching efficiency of the output shaft.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A surface quenching device for an output shaft of an electric vehicle, comprising an operating platform (110), characterized in that: A support plate (120) is installed on the upper side of the operating platform (110), a support column (111) is installed between the support plate (120) and the operating platform (110), a rotating motor (112) is installed on the bottom side of the operating platform (110), a rotating disk (130) is installed on the upper side of the operating platform (110), a rotating shaft of the rotating motor (112) passes through the operating platform (110), and the rotating shaft of the rotating motor (112) is in transmission cooperation with the rotating disk (130), a fixing column (140) for fixing the output shaft is integrally installed on the upper side of the rotating disk (130), and the fixing column (140) ) is installed inside, the movable end of the support mechanism (150) is in contact with the inner wall of the output shaft, the upper side of the fixed column (140) is provided with a snap-fit ​​groove (141), the bottom side of the support plate (120) is installed with a movable cylinder (160), the movable end of the movable cylinder (160) is in contact with the snap-fit ​​groove (141), a quenching mechanism (170) is installed between the operating platform (110) and the support plate (120), and a driving motor (180) is installed on the upper side of the operating platform (110), and the rotating shaft of the driving motor (180) is matched with the movable end of the quenching mechanism (170).

2. The surface quenching device for an electric vehicle output shaft according to claim 1, characterized in that: Four support columns (111) are provided, and the four support columns (111) are installed between the operating platform (110) and the support plate (120) in a rectangular array.

3. The surface quenching device for an electric vehicle output shaft according to claim 1, characterized in that: The support mechanism (150) comprises a movable groove (151) provided on the surface of the fixed column (140), an annular block (152) installed inside the movable groove (151), and a movable column (153) movably inserted between the annular blocks (152), a fixed block (154) being installed at one end of the movable column (153), a resisting block (155) being installed at the other end of the movable column (153), and a return spring (156) being symmetrically installed between the fixed block (154) and the annular block (152).

4. The surface quenching device for an electric vehicle output shaft according to claim 3, characterized in that: There are six movable grooves (151), which are arranged in a circular array on the surface of the fixed column (140), and the movable grooves (151) are communicated with the engaging grooves (141). The fixed block (154) is arranged as a fan-shaped block, and the cross-sectional shape of the combination of the six fixed blocks (154) is circular.

5. The surface quenching device for an electric vehicle output shaft according to claim 4, characterized in that: The abutment block (155) is configured as a semicircular block, and when the movable end of the movable cylinder (160) is extended and retracted to the engaging groove (141), the abutment block (155) contacts the movable end of the movable cylinder (160).

6. The surface quenching device for an electric vehicle output shaft according to claim 1, characterized in that: The quenching mechanism (170) includes a screw rod (171) rotatably mounted between the operating platform (110) and the support plate (120), a sliding block (172) movably mounted on the surface of the screw rod (171), and a heating wire (174) mounted on the side of the sliding block (172), wherein the sliding block (172) is configured as an L-shaped block, a nozzle (173) is mounted on the side of the sliding block (172), the nozzle (173) is correspondingly arranged on the upper side of the heating wire (174), and a connecting rod (175) is installed between the heating wire (174) and the sliding block (172).

7. The surface quenching device for an electric vehicle output shaft according to claim 6, characterized in that: The heating wire (174) is arranged in a ring shape, and the heating wire (174) is movably sleeved on the surface of the output shaft, the rotating shaft of the driving motor (180) passes through the supporting plate (120), and the rotating shaft of the driving motor (180) is in transmission cooperation with the screw rod (171).

8. The surface quenching device for an electric vehicle output shaft according to claim 6, characterized in that: A water tank (190) is installed on the upper side of the support plate (120), and a connecting pipe (191) is installed between the water tank (190) and the spray head (173).