Gear induction quenching single tooth tracking mechanism

Abstract

The present application relates to a kind of gear induction quenching single tooth tracking mechanism, including inductor connecting plate, both sides of the inductor connecting plate are equipped with auxiliary spray fixed plate, one side of the auxiliary spray fixed plate is equipped with auxiliary spray block, the inside of the auxiliary spray block is equipped with cavity, the lower end of the auxiliary spray block is equipped with connecting pipe and connecting pipe connects cavity, after using above structure, the present application has the following advantages: when two sides ceramic detection head is pressed into tooth groove two sides, the difference between reference value and measured value of automatic detection displacement sensor 7 is detected, the difference between the two is automatically corrected, the difference between the two is infinitely close to 0, so as to achieve the purpose of automatic control gap between inductor and workpiece, the measured value output of the present application is stable and reliable, displacement sensor is installed in mounting block, and cooling protection gas is passed in through the delivery cold hole, not afraid of high temperature radiation, strong magnetic interference ability is strong, can be stable and reliable practical.

Description

Technical Field

[0001] This invention relates to the field of metal induction heat treatment technology, specifically to a gear induction hardening single-tooth tracking mechanism. Background Technology

[0002] Gear drives are widely used in various mechanical transmission fields, such as slewing gears in wind power generation, slewing bearings used in construction machinery excavators and loaders, and automotive transmission gears. These gears all require quenching treatment to increase the hardness of the gear meshing surfaces, making them wear-resistant and ensuring that they do not lose precision during long-term use, thereby reducing maintenance and repairs and achieving long-term stable operation.

[0003] Especially for the wind power industry, these power generation devices are installed in remote mountainous areas or coastal wind farms, resulting in high installation and maintenance costs and more stringent requirements for the operating environment and service life of the gears.

[0004] Therefore, repeated experiments and tests are conducted at the beginning of gear design to calculate the required hardened layer depth and hardness requirements of the gear, so as to meet various performance indicators.

[0005] Traditional single-tooth induction hardening tracking technology either uses a side-tooth mechanical tracking mode or an elastic tracking mode. These methods cannot accurately feed back the dimensional changes of the gear during induction hardening to the control system, and cannot make real-time adjustments for dimensional changes. As a result, the quenching hardness layer depth and quenching hardness fluctuate, which cannot fully meet the technical requirements and reduce the service life of the gear. Summary of the Invention

[0006] The present invention aims to solve the above-mentioned technical problems by providing a gear induction hardening single-tooth tracking mechanism.

[0007] To solve the above-mentioned technical problems, the technical solution provided by the present invention is as follows:

[0008] A gear induction hardening single-tooth tracking mechanism includes a sensor connecting plate. Auxiliary spray fixing plates are mounted on both sides of the sensor connecting plate. An auxiliary spray block is mounted on one side of the auxiliary spray fixing plate. The auxiliary spray block has an internal cavity. A connecting pipe is provided at the lower end of the auxiliary spray block and connects to the cavity. Through holes are evenly distributed on the side of the auxiliary spray block away from the auxiliary spray fixing plate. A single-tooth sensor is located at one end of the sensor connecting plate, between the two auxiliary spray blocks. A sensor mounting block is mounted on the upper end of the sensor connecting plate. The mounting block contains two sets of adjustable ceramic detection heads and displacement sensors. An elastic connector is installed between the ceramic detection heads and the displacement sensors.

[0009] Preferably, the auxiliary spray fixing plate has an L-shaped structure.

[0010] Preferably, the sensor mounting block has a movable hole inside for use with the ceramic detection head and the displacement sensor.

[0011] Preferably, the two ceramic detection heads are staggered and arranged in a cross configuration.

[0012] Preferably, the sensor mounting block has a cooling hole inside its surface, and the cooling hole is connected to the moving hole.

[0013] Preferably, a water sprayer is provided below the single-tooth sensor, and a water pipe is connected to the lower end of the water sprayer.

[0014] Preferably, the water sprayer and the sensor connection plate are fixedly connected by screws.

[0015] Preferably, the auxiliary spray fixing plate and the sensor connecting plate are fixedly connected to the auxiliary spray block with screws.

[0016] With the above structure, the present invention has the following advantages:

[0017] 1. This invention achieves the purpose of automatically controlling the gap between the sensor and the workpiece by automatically detecting the difference between the reference value and the measured value of the displacement sensor 7 when the ceramic detection heads on both sides are pressed into the tooth groove.

[0018] 2. The measured output of this invention is stable and reliable. The displacement sensor is installed inside the mounting block and is supplied with cooling protective gas through the cooling hole. It is not afraid of high temperature radiation, has strong resistance to strong magnetic interference, and can be stable, reliable and practical.

[0019] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the present invention.

[0022] Figure 2 This is the front view of the present invention.

[0023] Figure 3 This is a cross-sectional view of point AA of the present invention.

[0024] Figure 4 This is a BB point cross-sectional view of the present invention.

[0025] Figure 5 This is a schematic diagram of the installation of the auxiliary spray fixing plate of the present invention.

[0026] As shown in the figure: 1. Sensor connecting plate; 2. Auxiliary spray fixing plate; 3. Auxiliary spray block; 3.1. Cavity; 3.2. Connecting pipe; 3.3. Through hole; 4. Single tooth sensor; 5. Mounting block; 5.1. Moving hole; 5.2. Cooling hole; 6. Ceramic detection head; 7. Displacement sensor; 8. Water sprayer; 8.1. Water pipe. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0028] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] The present invention will now be described in further detail with reference to the full text.

[0030] Combined with appendix Figure 1-5A gear induction hardening single-tooth tracking mechanism includes a sensor connecting plate 1. Auxiliary spray fixing plates 2 are installed on both sides of the sensor connecting plate 1. An auxiliary spray block 3 is installed on one side of the auxiliary spray fixing plate 2. The auxiliary spray block 3 has a cavity 3.1 inside. A connecting pipe 3.2 is provided at the lower end of the auxiliary spray block 3 and connects to the cavity 3.1. Through holes 3.3 are evenly distributed inside the side of the auxiliary spray block 3 away from the auxiliary spray fixing plate 2. A single-tooth sensor 4 is installed at one end of the sensor connecting plate 1 and between the two auxiliary spray blocks 3. A sensor mounting block 5 is installed at the upper end of the sensor connecting plate 1. The mounting block 5 contains two sets of adjustable ceramic detection heads 6 and displacement sensors 7. An elastic connector is installed between the ceramic detection heads 6 and the displacement sensors 7. In the specific design of this invention, the elastic connector can be selected from elastic components such as springs or sheet springs.

[0031] like Figure 1 and Figure 3 As shown, the ceramic detection head 6 and the displacement sensor 7 are elastically connected to form a whole and are installed on one side of the sensor mounting block 5. The two ceramic detection heads 6 are staggered and cross-shaped. The sensor mounting block 5 has a moving hole 5.1 inside for use with the ceramic detection head 6 and the displacement sensor 7. The ceramic detection head 6 can automatically retract flexibly when subjected to external force and can automatically extend when the external force decreases.

[0032] The auxiliary spray fixing plate 2 has an L-shaped structure.

[0033] like Figure 3 As shown, the sensor mounting block 5 has a cooling hole 5.2 inside its surface, which is connected to the moving hole 5.1. The displacement sensor 7 is fixed directly above the sensor. Since the positions of both are fixed, the detected value is an absolute value. At the same time, the sensor mounting block 5 has a cooling hole 5.2 inside its surface, which is connected to the moving hole 5.1. External cooling gas is connected through the cooling hole 5.2. Protective cooling gas is introduced into the displacement sensors 7 on both sides to prevent the displacement sensors 7 from overheating and to prevent other substances from entering and affecting the sensor accuracy.

[0034] like Figure 1 Below the single-tooth sensor 4 is a water sprayer 8, and the lower end of the water sprayer 8 is connected to a water pipe 8.1. The water pipe 8.1 can be connected to an external water pump, and the water pump drives water to spray from the water sprayer 8 onto the quenched parts.

[0035] The water sprayer 8 and the sensor connection plate 1 are fixedly connected by screws.

[0036] The auxiliary spray fixing plate 2 and the sensor connecting plate 1 are fixedly connected to the auxiliary spray block 3 with screws.

[0037] During the induction hardening process, the gap between the single-tooth inductor 4 and the workpiece is automatically detected. If the gap changes, the deviation value is automatically compensated to keep the gap between the single-tooth inductor 4 and the workpiece constant. This ensures the consistency of hardening hardness and the consistency of hardened layer depth, thus fundamentally solving the technical problem of single-tooth inductor hardening.

[0038] A precision single-tooth sensor 4 is used to detect the change in clearance between the single-tooth sensor 4 and both sides of the gear along the gear tooth groove (compensation can be started when the change value exceeds 0.01mm). The system automatically compensates for the change in size on both sides, so that the clearance between the single-tooth sensor 4 and the workpiece is always consistent.

[0039] The minimum gear module for detection in this device is 8, and it can be infinitely enlarged according to size requirements. The detection accuracy is 0.001mm, the set compensation accuracy is 0.01mm, and the actual tracking compensation accuracy is 0.01mm. The control system adopts CNC technology.

[0040] This device is used for continuous scanning induction hardening of wind power generation slewing gears, slewing bearings used in construction machinery excavators and loaders, hydropower generation slewing gears, and automotive transmission gears.

[0041] This device has wide adaptability and can be used in gear tracking mechanisms with a module of 8 or higher. The larger the module, the better the tracking effect. It is easy to install, as it is integrated with the sensor and occupies little space. It has high detection accuracy, with actual detection values ​​reaching 0.001mm and a set fluctuation compensation value of 0.01mm. It has good stability and safety. The measured output of this device is stable and reliable. The precision displacement sensor 7 is installed in a non-metallic protective plate and is circulated with cooling protective gas. It is not afraid of high temperature radiation, has strong resistance to strong magnetic interference, and can be used stably and reliably.

[0042] Working principle of the invention:

[0043] When the ceramic detection heads 6 on both sides are pressed into the tooth groove, the pressing amount on both sides is fed back to the control system in real time. The control system sets a reference value. After induction hardening begins, the system automatically detects the difference between the reference value and the measured value of the displacement sensor 7, and automatically corrects the difference between the two so that the difference between the two approaches 0 infinitely, thereby achieving the purpose of automatically controlling the gap between the sensor and the workpiece.

[0044] The present invention and its embodiments have been described above. This description is not restrictive, and the embodiments shown throughout are only one of the embodiments of the present invention. The actual structure is not limited to this. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A gear induction quench single tooth tracking mechanism characterized by, The system includes a sensor connection plate (1), on both sides of which are mounted auxiliary spray fixing plates (2). An auxiliary spray block (3) is mounted on one side of the auxiliary spray fixing plate (2). The auxiliary spray block (3) has a cavity (3.1) inside. The lower end of the auxiliary spray block (3) is provided with a connecting pipe (3.2) and the connecting pipe (3.2) is connected to the cavity (3.1). The side of the auxiliary spray block (3) away from the auxiliary spray fixing plate (2) has uniformly provided through holes (3.3). A single tooth sensor (4) is provided at one end of the sensor connection plate (1) and between the two auxiliary spray blocks (3). A sensor mounting block (5) is mounted on the upper end of the sensor connection plate (1). The sensor mounting block (5) has two sets of adjustable ceramic detection heads (6) and displacement sensors (7). An elastic connector is installed between the ceramic detection heads (6) and the displacement sensors (7).

2. A gear induction quench single tooth tracking mechanism according to claim 1 wherein: The auxiliary spray fixing plate (2) is an L-shaped structure.

3. A gear induction quench single tooth tracking mechanism as defined in claim 1 wherein: The sensor mounting block (5) is provided with a moving hole (5.1) inside for use with the ceramic detection head (6) and the displacement sensor (7).

4. A gear induction quench single tooth tracking mechanism according to claim 3 wherein: The two ceramic detection heads (6) are staggered and cross-shaped.

5. A gear induction hardening single-tooth tracking mechanism according to claim 3, characterized in that: The sensor mounting block (5) has a cooling hole (5.2) inside its surface and the cooling hole (5.2) is connected to the moving hole (5.1).

6. A gear induction hardening single-tooth tracking mechanism according to claim 1, characterized in that: A water sprayer (8) is provided below the single-tooth sensor (4), and a water pipe (8.1) is connected to the lower end of the water sprayer (8).

7. A gear induction hardening single-tooth tracking mechanism according to claim 6, characterized in that: The water sprayer (8) and the sensor connection plate (1) are fixedly connected by screws.

8. A gear induction hardening single-tooth tracking mechanism according to claim 1, characterized in that: The auxiliary spray fixing plate (2) and the sensor connecting plate (1) are fixedly connected to the auxiliary spray block (3) with screws.

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