Induction quenching inductor for shaft fork of duplex universal joint transmission shaft
By designing a reasonable water spray ring and induction coil structure and using magnetic mud to concentrate the magnetic field, the problems of insufficient layer depth in thick-walled areas and cracking in thin-walled areas during the induction hardening process of the double universal joint drive shaft fork were solved, thereby improving the wear resistance and fatigue strength of the product.
Patent Information
- Application Number
- CN202520077270.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-13
AI Technical Summary
In the existing technology, during the induction hardening process of the double universal joint drive shaft fork, the thickness of the thick wall at the junction of the fork and the shaft body is not up to standard, and the thin wall is prone to cracking or melting, resulting in unqualified product quality.
An induction quenching inductor comprising a water spray ring and an induction coil was designed. The water spray ring is made of a round copper tube bent into a ring shape, and the induction coil is made of a flat square copper tube bent. The inner side of the induction coil is provided with an induction heating hole, and the lower part is provided with magnetic mud to concentrate the magnetic field. The water spray ring is welded to the induction coil, the bracket is welded to the base, an insulating plate is set, and the coolant inlet and outlet pipes are connected to achieve magnetic field concentration and cooling.
It effectively solves the problem of deep layering at the thick-walled junction of the fork and shaft, avoids cracking at the thin-walled junction, and improves the wear resistance and fatigue torsional strength of the product.
Smart Images
Figure CN223951074U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of duplex universal joint transmission shaft axle fork induction quenching inductor, belong to transmission shaft field. BACKGROUND
[0002] Duplex universal joint transmission shaft bears torsional bending load in use process, to improve its surface wear resistance and fatigue torsional strength, first transmission shaft is treated, then middle frequency induction quenching is carried out, and inductor is the main tool of induction heating, for many complex structures, high technical requirements parts, such as duplex universal joint transmission shaft axle fork, fork part and shaft shelf transition complex structure, after using conventional circular inductor induction quenching, fork wall thickness place R angle layer often does not meet the requirement, and thin wall cracks even melt phenomenon. UTILITY MODEL CONTENTS
[0003] The utility model aims at overcoming the above-mentioned deficiencies in the prior art, and provides a duplex universal joint transmission shaft axle fork induction quenching inductor with a reasonable structure design.
[0004] The utility model discloses a kind of duplex universal joint transmission shaft axle fork induction quenching inductors, its structural characteristics are as follows: including water spray ring and induction ring, the water spray ring is annular structure and is set, there is opening on the annular structure set water spray ring, the upper portion of the induction ring is annular structure and is set, and the inside of the annular structure set induction ring is induction heating hole, the upper portion of the induction ring is located in the annular structure of water spray ring, the lower portion of the induction ring is vertically structure and is set, the lower portion of the induction ring is located in the opening of water spray ring, the two ends of the water spray ring are each communicated with a quenching liquid inlet, the side wall of the water spray ring is provided with quenching spray port, magnetite is arranged on the induction ring.
[0005] Further, the water spray ring and the induction ring are welded.
[0006] Further, the lower portion of the induction ring is communicated with cooling liquid inlet pipe and cooling liquid outlet pipe respectively.
[0007] Further, the lower portion of the induction ring is welded with support, the support is welded with base, and insulating plate is arranged between two supports and base.
[0008] Further, the water spray ring is bent by round copper pipe, and the induction ring is bent by flat square copper pipe.
[0009] Compared with the prior art, the duplex universal joint transmission shaft yoke induction quenching inductor has the following advantages: the duplex universal joint transmission shaft yoke induction quenching inductor is first made of a flat copper tube to make an induction coil, which is different from the size of a conventional copper tube, and the magnetic field can be gathered by arranging magnetic conducting mud on the induction coil, and the magnetic force lines tend to concentrate by arranging the magnetic conducting mud at two symmetrical positions, so that the problem of the layer depth of the thick wall at the junction between the fork and the shaft body is solved. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 is a perspective structure schematic diagram of the duplex universal joint transmission shaft yoke induction quenching inductor of the utility model embodiment.
[0011] Fig. 2 is a perspective structure schematic diagram of the duplex universal joint transmission shaft yoke induction quenching inductor of the utility model embodiment.
[0012] Fig. 3 is a cross section structure schematic diagram of the duplex universal joint transmission shaft yoke induction quenching inductor of the utility model embodiment.
[0013] Fig. 4 is a use state structure schematic diagram of the duplex universal joint transmission shaft yoke induction quenching inductor of the utility model embodiment.
[0014] In the drawing: water spraying ring 1, quenching liquid inlet 2, quenching spraying port 3, induction coil 4, magnetic conducting mud 5, support 6, base 7, insulating plate 8, cooling liquid inlet pipe 9, cooling liquid outlet pipe 10, induction heating hole 11, shaft yoke 12. DETAILED DESCRIPTION
[0015] The utility model will be further explained in detail in combination with the drawings and through embodiments, and the following embodiments are explanations of the utility model, and the utility model is not limited to the following embodiments.
[0016] EMBODIMENT
[0017] Referring to Figs. 1 to 4 It is understood that the structures, proportions, sizes, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification, to enable those skilled in the art to understand and read, and are not used to limit the limiting conditions of the implementation of the utility model, so they do not have technical significance, any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope covered by the technical content disclosed by the utility model. At the same time, if there are terms such as "up", "down", "left", "right", "middle" and "one" in the specification, they are only for the convenience of clear description, and are not used to limit the scope of the implementation of the utility model, the change or adjustment of the relative relationship, without changing the technical content, is also regarded as the scope of the implementation of the utility model.
[0018] The induction quenching inductor for the double universal joint transmission shaft yoke in the embodiment comprises a water spraying ring 1 and an induction ring 4, the water spraying ring 1 is welded with the induction ring 4, the water spraying ring 1 is bent from a round copper pipe, and the induction ring 4 is bent from a flat square copper pipe.
[0019] The water spraying ring 1 in the embodiment is arranged in a circular ring structure, and there is an opening on the water spraying ring 1 arranged in a circular ring structure, the upper part of the induction ring 4 is arranged in a circular ring structure, and the inner side of the induction ring 4 arranged in a circular ring structure is an induction heating hole 11, and the upper part of the induction ring 4 is located in the circular ring structure of the water spraying ring 1.
[0020] The lower part of the induction ring 4 in the embodiment is arranged in a vertical structure, the lower part of the induction ring 4 is located in the opening of the water spraying ring 1, the two ends of the water spraying ring 1 are respectively communicated with a quenching liquid inlet 2, the side wall of the water spraying ring 1 is provided with a quenching spraying port 3, and the induction ring 4 is provided with a magnetic conducting mud 5.
[0021] The lower part of the induction ring 4 in the embodiment is respectively communicated with a cooling liquid inlet pipe 9 and a cooling liquid outlet pipe 10, the lower part of the induction ring 4 is welded with a support 6, the support 6 is welded with a base 7, and an insulating plate 8 is arranged between the two supports 6 and the base 7.
[0022] Specifically, the induction quenching inductor for the double universal joint transmission shaft yoke in the embodiment is used to pass the yoke 12 through the induction heating hole 11 so that the root of the fork part of the yoke 12 is aligned with the magnetic conducting mud 5, the magnetic field is gathered through the magnetic conducting mud 5 arranged at two symmetrical positions, the magnetic force lines tend to concentrate, the problem of the layer depth of the thick wall at the junction between the fork part and the shaft body is solved, in the process of quenching the yoke 12, the quenching liquid enters the water spraying ring 1 through the quenching liquid inlet 2 and is sprayed to the fork part of the yoke 12 through the quenching spraying port 3 to realize quenching treatment, the cooling liquid flows through the induction ring 4 through the cooling liquid inlet pipe 9 and flows out through the cooling liquid outlet pipe 10 to realize cooling of the water spraying ring 1, avoid damage to the water spraying ring 1, and prolong the service life of the water spraying ring 1.
[0023] In addition, it should be noted that the specific embodiments described in the specification, the shape of the zero, the components, the name taken, etc. can be different, the above described in the specification is only an example of the structure of the utility model. Any equivalent change or simple change according to the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or beyond the range defined in the claims, which shall belong to the protection scope of the utility model.
Claims
1. A duplex universal joint propeller shaft yoke induction quencher characterized by: The utility model relates to a quenching device, including water spraying ring (1) and inductive ring (4), water spraying ring (1) is annular structure setting, and there is opening on the water spraying ring (1) of annular structure setting, the upper portion of inductive ring (4) is annular structure setting, and the inductive ring (4) inside of annular structure setting is inductive heating hole (11), the upper portion of inductive ring (4) is located in the annular structure of water spraying ring (1), the lower portion of inductive ring (4) is vertical structure setting, and the lower portion of inductive ring (4) is located in the opening of water spraying ring (1), both ends of water spraying ring (1) are communicated with a quenching liquid inlet (2) respectively, and the sidewall of water spraying ring (1) is provided with quenching shower mouth (3), and inductive ring (4) is provided with magnetic conducting mud (5) on it.
2. The dual cardan driveshaft yoke induction quencher of claim 1, wherein: The water spraying ring (1) is welded with the inductive ring (4).
3. The dual-joint propeller shaft yoke induction quench inductor of Claim 1, wherein: The lower portion of the inductive ring (4) is communicated with the cooling liquid inlet pipe (9) and the cooling liquid outlet pipe (10) respectively.
4. The dual cardan shaft transaxle induction quench inductor of claim 1, wherein: The lower portion of the inductive ring (4) is welded with the support (6), the support (6) is welded with the base (7), and the insulating plate (8) is arranged between the two supports (6) and the base (7).
5. The dual cardan shaft transaxle induction quench inductor of claim 1, wherein: The water spraying ring (1) is made of a round copper pipe, and the inductive ring (4) is made of a flat square copper pipe.