Full-tooth-profile soft-belt-free induction quenching module for heavy-duty gear
By combining the overall adjustment frame and positioning module, the problems of uneven quenching and difficult positioning of helical gears in the main gearbox of wind turbines were solved, achieving precise positioning and uniform quenching of helical gears and improving the service life of the gears.
Patent Information
- Application Number
- CN202423140673.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing technologies make it difficult to achieve uniform quenching on the internal gear ring of the wind turbine main gearbox, especially the root area of the helical gear, which is difficult to heat, leading to uneven quenching and cracks, and making positioning difficult.
The system employs a combination of an integrated adjustment frame, a positioning module, and a sensor module. The integrated adjustment frame enables precise positioning of the helical gear, while the sensor module heats the gear tooth root and cools it through a cooling water pipe to ensure uniform quenching.
It achieves precise positioning and uniform quenching of helical gears, avoiding problems such as quenching soft spots and cracks, and improving the service life of the gears.
Smart Images

Figure CN223633404U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to gear technical field especially relates to a heavy load gear full tooth profile no soft band induction quenching module. BACKGROUND
[0002] The inner gear ring of the main gear box of wind power is usually strengthened in service life by the surface hardening mode such as carburizing and nitriding due to large alternating load, and the induction quenching technology has not been fully applied in gear hardening due to the complexity of involute gear shape.
[0003] The traditional gear induction quenching technology often causes the problems such as soft band or tooth tip quenching due to unstable output efficiency caused by the difficulty in heating the tooth root part, the complexity of involute structure and tooth root arc, the structure of inductor, and the like, and the helical gear cannot be accurately positioned, the distance between the inductor and the part is unstable, the helical gear is difficult to position along the tooth profile scanning quenching, and the tooth root temperature distance is not easy to control, which can cause quenching cracks or hardening soft spots. INVENTION CONTENTS
[0004] In order to solve the above-mentioned technical problems in the prior art, the utility model provides a heavy load gear full tooth profile no soft band induction quenching module, which comprises:
[0005] The overall adjusting frame is used for adjusting the four directions of front, back, left and right of the quenching module.
[0006] The positioning module is arranged on the overall adjusting frame, and is used for pressing and positioning the gear.
[0007] The inductor module is arranged on the overall adjusting frame and the positioning module and is fixed with the overall adjusting frame, and is used for heating the gear tooth root.
[0008] The cooling water pipe is arranged on the induction module, and is used for cooling the inductor module.
[0009] Further, in the heavy load gear full tooth profile no soft band induction quenching module, the integral adjusting frame comprises a bottom fixing frame, front and rear adjusting screws, left and right adjusting screws, an adjusting plate, a first threaded sliding table and a second threaded sliding table, the adjusting plate is arranged on the upper end face of the bottom fixing frame, the front end of the bottom fixing frame is provided with a first long sliding groove, the first threaded sliding table is slidingly arranged in the first long sliding groove, one end of the front and rear adjusting screws is rotationally connected with the adjusting plate, the front and rear adjusting screws are in threaded engagement with the first threaded sliding table, one side of the bottom fixing frame is provided with a second long sliding groove, the second threaded sliding table is slidingly arranged in the second long sliding groove, one end of the left and right adjusting screws is rotationally connected with the adjusting plate, and the left and right adjusting screws are in threaded engagement with the second threaded sliding table.
[0010] Further, in the heavy load gear full tooth profile no soft band induction quenching module, the positioning module comprises a positioning frame, a positioning screw and a first fixing bolt, the positioning frame is arranged in a U-shaped mode, the positioning frame is symmetrically provided with threaded grooves on the two sides, the positioning screw is engaged with the positioning frame through the threaded grooves, and the fixing bolt is connected and fixed with the adjusting plate by penetrating through the positioning frame.
[0011] Further, in the heavy load gear full tooth profile no soft band induction quenching module, the top of the positioning bolt is matched with a gear tooth groove.
[0012] Further, in the heavy load gear full tooth profile no soft band induction quenching module, the induction module comprises an induction connecting frame, a second fixing bolt and an inductor, the second fixing bolt is connected and fixed with the adjusting plate by penetrating through the induction connecting frame, and the inductor is connected and fixed with the induction connecting frame by penetrating through the positioning frame.
[0013] Further, in the heavy load gear full tooth profile no soft band induction quenching module, a silicon steel sheet is arranged in the middle of the inductor, the top of the inductor is in circular-arc mode and is in engagement with the gear tooth groove, and a cooling groove is arranged in the inductor.
[0014] Further, in the heavy load gear full tooth profile no soft band induction quenching module, the cooling water pipe is in communication with the cooling groove.
[0015] The heavy load gear full tooth profile no soft band induction quenching module has the following advantages and beneficial effects:
[0016] The heavy load gear full tooth profile no soft band induction quenching module has the following advantages and beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only used to further understand the present application and form a part of the present application. Other drawings can be obtained by those skilled in the art without creative effort based on these drawings. In the drawings:
[0018] Figure 1 It is an overall structure schematic diagram of the heavy load gear full tooth profile no soft band induction quenching module of the present application;
[0019] Figure 2 It is an overall adjusting frame structure schematic diagram of the heavy load gear full tooth profile no soft band induction quenching module of the present application;
[0020] Figure 3 It is a positioning module structure schematic diagram of the heavy load gear full tooth profile no soft band induction quenching module of the present application;
[0021] Figure 4 It is an induction connecting frame structure schematic diagram of the heavy load gear full tooth profile no soft band induction quenching module of the present application;
[0022] Figure 5 It is an inductor structure schematic diagram of the heavy load gear full tooth profile no soft band induction quenching module of the present application.
[0023] Explanation of reference signs:
[0024] 1: overall adjusting frame, 11: bottom fixing frame, 12: front and rear adjusting screw, 13: left and right adjusting screw, 14: adjusting plate, 15: first threaded sliding table, 16: second threaded sliding table;
[0025] 2: positioning module, 21: positioning frame, 22: threaded groove, 23: positioning screw, 24: first fixing bolt;
[0026] 3: inductor module, 31: induction connecting frame, 32: second fixing bolt;
[0027] 33: inductor, 331: cooling groove;
[0028] 4: cooling water pipe. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with specific embodiments of the utility model and corresponding drawings below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0030] As Figures 1-5 Indicated, the utility model discloses a heavy -duty gear full tooth profile no soft band induction quenching module includes:
[0031] Integral adjusting frame 1, integral adjusting frame 1 is used to quenching module four orientation adjustment before and after left and right;
[0032] Positioning module 2, positioning module 2 sets up on integral adjusting frame 1, and positioning module 2 is used for the compression positioning of gear;
[0033] Inductor module 3, inductor module 3 sets up on integral adjusting frame 1 with positioning module 2 directly with integral adjusting frame 1 fixed, and inductor module 3 is used for heating gear tooth root;
[0034] Cooling water pipe 4, cooling water pipe 4 sets up on induction module, and cooling water pipe 4 is used for the cooling of inductor module 3.
[0035] Further, in the heavy -duty gear full tooth profile no soft band induction quenching module of the utility model, integral adjusting frame 1 includes bottom fixed frame 11, front and rear adjusting screw rod 12, left and right adjusting screw rod 13, adjusting plate 14, first threaded slide 15 and second threaded slide 16, adjusting plate 14 sets up on the bottom of fixed frame 11 upper end surface, and the bottom of fixed frame 11 front end is provided with first long sliding slot 111, and first threaded slide 15 is slidably arranged in first long sliding slot 111, and front and rear adjusting screw rod 12 one end is rotatably connected with adjusting plate 14, and front and rear adjusting screw rod 12 is in threaded engagement with first threaded slide 15, and the side of bottom fixed frame 11 is provided with second long sliding slot 112, and second threaded slide 16 is slidably arranged in second long sliding slot 112, and left and right adjusting screw rod 13 one end is rotatably connected with adjusting plate 14, and left and right adjusting screw rod 13 is in threaded engagement with second threaded slide 16, so that adjusting plate 14 is adjusted before and after by front and rear adjusting screw rod 12, and is adjusted left and right by left and right adjusting screw rod 13.
[0036] Further, in the heavy load gear full tooth profile no soft band induction quenching module of the utility model, the positioning module 2 includes positioning frame 21, positioning screw rod 23 and first fixed bolt 24, positioning frame 21 is arranged in the shape of several Chinese characters, positioning frame 21 both sides are symmetrically provided with threaded groove 22, positioning screw rod 23 is engaged with positioning frame 21 through threaded groove 22, fixed bolt passes through positioning frame 21 and is connected with adjusting plate 14 and is fixed, so as to effectively ensure that positioning module 2 is adjusted in multiple directions through overall adjusting frame 1.
[0037] Further, in the heavy load gear full tooth profile no soft band induction quenching module of the utility model, the positioning screw rod top is matched with gear tooth groove, so as to ensure accurate positioning between positioning module 2 and gear.
[0038] Further, in the heavy load gear full tooth profile no soft band induction quenching module of the utility model, the induction module includes induction connecting frame 31, second fixed bolt 32 and inductor 33, second fixed bolt 32 passes through induction connecting frame 31 and is connected with adjusting plate 14 and is fixed, inductor 33 passes through positioning frame 21 and is connected with induction connecting frame 31 and is fixed, so as to effectively ensure that inductor 33 can be adjusted with positioning module 2.
[0039] Further, in the heavy load gear full tooth profile no soft band induction quenching module of the utility model, the middle part of inductor 33 is provided with silicon steel sheet, the top of inductor 33 is circular and is engaged with gear tooth groove, so as to make gear tooth top and gear tooth groove position reach quenching temperature at the same time, effectively ensure quenching uniformity, avoid tooth root quenching soft point problem, inductor 33 is internally provided with cooling groove 331, so as to cool inductor.
[0040] Further, in the heavy load gear full tooth profile no soft band induction quenching module of the utility model, cooling water pipe 4 is communicated with cooling groove 331 and provides cooling liquid for inductor.
[0041] Specifically, first, select the inductor 33 matched with the gear to be quenched, and fix it on adjusting plate 14 through second fixed bolt 32, second fixed bolt 32 is made of austenitic stainless steel, at this time, adjust overall adjusting frame 1 to make positioning frame 21 correspond to gear, and make the top position of inductor 33 coincide with the gear to be quenched, at this time, rotate positioning screw rod 23, make positioning screw rod 23 clamp gear, after clamping, adjust the gap between tooth surfaces to the same, keep the same, then open the quenching arm of machine tool to the specified position, and carry out quenching operation, after quenching is completed, provide cooling liquid for cooling groove 331 through cooling water pipe 4 to cool inductor.
[0042] Compared with the prior art, the heavy load gear full tooth profile no soft band induction quenching module of the utility model has the following advantages and beneficial effects:
[0043] The utility model discloses simple whole structure, through the cooperation of integral adjusting frame and positioning module effective guaranteeing helical gear accurate positioning problem, effectively avoid the deviation in inductor electromagnetic induction process, through inductor setting make gear tooth top, tooth groove position reach quenching temperature simultaneously, effectively ensure quenching uniformity, avoid the problem of root quenching soft point.
[0044] It should be noted that, in this paper, unless otherwise specified and limited, the term "connection" or its synonyms should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, can be mechanical connection, can also be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, for ordinary skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific situation. Moreover, such as "first" and "second" and other expressions 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 the entities or operations. At the same time, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. In addition, "front", "back", "left", "right", "up", "down" in this paper are referred to the placement state shown in the drawing.
[0045] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.
Claims
1. A heavy-duty gear full-tooth profile soft band-free induction hardening module, characterized in that, The heavy load gear full-tooth profile soft-band-free induction quenching module comprises: An integral adjusting frame for adjusting the quenching module in four directions, front, back, left and right; A positioning module arranged on the integral adjusting frame, for pressing and positioning the gear; An inductor module arranged on the integral adjusting frame and fixed directly with the integral adjusting frame, for heating the gear tooth root; A cooling water pipe arranged on the inductor module, for cooling the inductor module.
2. The heavy duty gear full tooth profile soft strip free induction hardening module of claim 1, wherein, The integral adjusting frame comprises a bottom fixed frame, front and back adjusting screws, left and right adjusting screws, an adjusting plate, a first threaded sliding table and a second threaded sliding table, the adjusting plate is arranged on the upper end face of the bottom fixed frame, the bottom fixed frame is provided with a first long sliding groove at the front end, the first threaded sliding table is slidingly arranged in the first long sliding groove, one end of the front and back adjusting screws is rotationally connected with the adjusting plate, the front and back adjusting screws are in threaded engagement with the first threaded sliding table, one side of the bottom fixed frame is provided with a second long sliding groove, the second threaded sliding table is slidingly arranged in the second long sliding groove, one end of the left and right adjusting screws is rotationally connected with the adjusting plate, the left and right adjusting screws are in threaded engagement with the second threaded sliding table.
3. The heavy duty gear full tooth profile soft strip free induction hardening module of claim 2, wherein, The positioning module comprises a positioning frame, a positioning screw and a first fixing bolt, the positioning frame is arranged in a U shape, the positioning frame is symmetrically provided with threaded grooves at both sides, the positioning screw is engaged with the positioning frame through the threaded grooves, and the fixing bolt is connected and fixed with the adjusting plate through the positioning frame.
4. The heavy duty gear full tooth profile soft strip free induction hardening module of claim 3, wherein, The inductor module comprises an inductor connecting frame, a second fixing bolt and an inductor, the second fixing bolt is connected and fixed with the adjusting plate through the inductor connecting frame, and the inductor is connected and fixed with the inductor connecting frame through the positioning frame.
5. The heavy duty gear full tooth profile soft strip free induction hardening module of claim 4, wherein, The inductor is provided with a silicon steel sheet in the middle, the top of the inductor is in circular arc shape and is in engagement with the gear tooth groove, and the inductor is provided with a cooling groove inside.
6. The heavy duty gear full tooth profile soft strip free induction hardening module of claim 5, wherein, The cooling water pipe is in communication with the cooling groove.