Sensor-based intelligent detection equipment for the tooth angle of helical gears with adaptive specifications

Abstract

The present invention discloses a sensor-based specification-adaptive helical gear tooth angle intelligent detection device, which relates to the field of gear detection technology, including a detection body, a detection cavity is provided inside the detection body, a cover body is provided above the detection cavity, the cover body is separated from the detection body, a support frame is provided on the side of the cover body away from the detection body, a hydraulic cylinder is provided on the support frame, a push rod of the hydraulic cylinder is connected to the cover body, and a debris outlet is provided at the bottom of the detection cavity; the helical gear is placed in the detection cavity, and the push rod of the hydraulic cylinder pushes the cover body to move, so that the cover body moves toward the side close to the helical gear, and finally the cover body contacts the top of the helical gear and reaches a sealed state, and then water flows through the gap between two adjacent teeth, cleans impurities between the teeth and debris generated by milling, and discharges them through the debris outlet, and finally gas is sprayed between the two teeth and the change in air pressure is detected, thereby detecting the angle of the teeth.

Description

Technical Field

[0001] The present invention relates to the technical field of gear detection, in particular to a sensor-based intelligent detection device for the tooth angle of a helical gear with adaptive specifications. Background Art

[0002] Gears are important components in mechanical equipment. The quality of their processing will have a direct impact on the vibration, noise and reliability of the equipment assembly. That is, after the gear is produced, the gear tooth angle needs to be tested; existing gear angle detection devices usually perform tooth angle detection on spur gears, but when dealing with helical gears, due to the limitations of the helical teeth of the helical gears, the tooth angle detection is inaccurate, and manual positioning of each tooth is required, which cannot achieve continuous scanning of the entire tooth surface, resulting in low detection efficiency. Summary of the Invention

[0003] The object of the present invention is to provide a sensor-based intelligent detection device for the tooth angle of helical gears with adaptive specifications, so as to solve the problems raised in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] An intelligent detection device for the tooth angle of helical gears that is adaptive to the specifications of the sensor includes a detection body, a detection cavity is provided inside the detection body, a cover body is provided above the detection cavity, the cover body is separated from the detection body, a support frame is provided on the side of the cover body away from the detection body, a hydraulic cylinder is provided on the support frame, a push rod of the hydraulic cylinder is connected to the cover body, and a debris outlet is provided at the bottom of the detection cavity.

[0006] The helical gear is placed in the detection chamber, and then the controller controls the hydraulic cylinder to start. The push rod of the hydraulic cylinder pushes the cover body to move, so that the cover body moves to the side close to the helical gear. Finally, the cover body contacts the top of the helical gear and finally reaches a sealed state. Then water flows through the gap between two adjacent teeth, cleaning the impurities between the teeth and the debris generated by milling, and discharges them through the outlet. Finally, by spraying gas between the two teeth and detecting the change in air pressure, the angle of the teeth is detected.

[0007] Preferably, the detection cavity is composed of a moving cavity and several moving bodies, and the several moving bodies are arranged around the axis of the moving cavity. A slider is provided at the bottom of the moving cavity, and a slide groove is provided at the bottom of the moving body, and the slider is slidably connected to the slide groove.

[0008] Preferably, a push block is provided on the top of the moving body, a plurality of electric cylinders are provided in the side wall of the detection body, the push rods of the electric cylinders are connected to the push block, and the plurality of moving bodies form a circular chamber.

[0009] Preferably, a detection capsule is provided on the side of the moving body away from the detection body, the detection capsule is in a circular shape, a plurality of air cavities are provided inside the detection capsule, the spatial volumes of the air cavities are equal, and two adjacent air cavities are connected to each other, and a plurality of pressure sensors are provided on the side of the detection capsule close to the center of the detection cavity, and the pressure sensors correspond one-to-one to the air cavities.

[0010] Preferably, an air pump is provided inside several of the moving bodies, and the air pump is connected to the detection bag through a pipe. A valve is provided on the side of the air cavity away from the moving body, and the valve connects the space enclosed by the detection bag with the air cavity, and the valve opens to the side away from the air cavity.

[0011] Preferably, a plurality of delivery ports are provided at the bottom of the detection chamber, and the delivery ports are communicated with the impurity outlet.

[0012] Preferably, the delivery port consists of a bell tube and a delivery pipe, the top diameter of the bell tube is larger than the bottom diameter of the bell tube, a retaining groove is provided on the side wall of the bell tube, an annular baffle is provided on the retaining groove, the annular baffle is made of flexible material, and an electromagnetic spring is provided between the annular baffle and the retaining groove.

[0013] Preferably, a water pipe is provided on the top of the cover body, a plurality of water troughs are provided on the bottom of the cover body, a water storage tank is provided outside the detection body, a water pump is provided inside the water storage tank, the water pump is connected to the water pipe through a pipeline, and the water troughs are connected to the water pipe.

[0014] Preferably, the height of the water trough on the side close to the axis of the cover body is greater than the height of the water trough on the side away from the axis of the cover body.

[0015] Preferably, a helical gear is placed at the center of the detection capsule, and two adjacent teeth of the helical gear, the detection capsule, the water flow channel and the bottom of the detection cavity together form a closed chamber.

[0016] The helical gear is placed at the center of the circular ring of the detection capsule. The hydraulic cylinder then pushes the cover plate to move so that the cover plate moves to the top of the helical gear. At this time, the axes of the cover plate, the helical gear, and the detection cavity are in a coincident state. The controller then controls the electric cylinder in the detection body to move. The push rod of the electric cylinder then pushes the push block to move. The push block drives the moving body to move. The moving body moves along the slide groove to the side away from the moving cavity, and then the moving body drives the detection capsule to move.

[0017] Several moving bodies move synchronously, causing the detection capsule to shrink toward the side close to the axis of the detection cavity. During the movement of the detection capsule, since the detection capsule is in a circular shape, when the inner wall of the detection capsule contacts the outer wall of the bevel gear, the controller controls the electric cylinder to close, and then the detection capsule and the detection cavity, as well as the cover body, cooperate with each other to complete the wrapping of the bevel gear. Then the controller controls the air pump to start, and the air pump draws outside air and delivers it to the detection capsule through the pipeline. Since the air cavity is in a connected state, several air cavities synchronously input gas, and the air pressure in each air cavity is in the same state. With the continuous input of gas, the side of the detection capsule close to the bevel gear will be expanded by the air pressure, and then the detection capsule expands to the gap between the two adjacent teeth, so that the two adjacent teeth, the detection capsule, the water flow trough and the bottom of the detection cavity together form a closed chamber;

[0018] At this time, the controller controls the electromagnetic spring in the horn tube to energize, and the electromagnetic spring contracts after being energized, so that the electromagnetic spring pulls the annular baffle to move during the contraction process, causing the annular baffle to contract into the retaining groove, and then the conveying port connects the enclosed space with the impurity outlet;

[0019] Then the controller controls the water pump in the water tank to start, and the water pump transports the water through the pipe to the water pipe, and then transports it to the water trough through the water pipe. Since the height of the water trough close to the axis of the cover plate body is greater than the height of the water trough away from the axis of the cover plate body, the flow rate of water increases during the flow, and flows vertically from the top of the bevel gear to the bottom of the bevel gear. Since the teeth of the bevel gear are spiral, the water flow falls in the form of a spiral under the influence of gravity. In the process of falling water flow, the impact on the tooth gap is completed, and the tooth gap is cleaned, avoiding impurities and milling debris remaining in the tooth gap and causing interference with subsequent angle detection. The cleaned water flows to the outlet through the trumpet pipe and the delivery pipe. Since the top diameter of the trumpet pipe is greater than the bottom diameter of the trumpet pipe, the water flow rate is further accelerated during the output process, thereby improving the efficiency of cleaning the tooth gap and shortening the cleaning time.

[0020] When cleaning is completed, the controller controls the valve between the water flow trough and the water flow pipe to close. The air pump continuously inputs gas into the detection bag. When the air pressure in the air cavity is greater than the load pressure, the gas in the air cavity pushes the valve, and then the gas is transported to the enclosed space through the valve. Then the gas flows along the side of the tooth, cleaning the water droplets remaining on the side of the tooth during the flow process, thereby achieving tooth drying;

[0021] When the enclosed space is dry, the electromagnetic spring is controlled to be de-energized, and then the annular baffle is reset under the action of the electromagnetic spring, so that the trumpet is blocked. At this time, gas is continuously input into the enclosed space. With the continuous input of gas, the air pressure in the enclosed space rises. During the process of rising air pressure, the pressure sensor always detects the air pressure in the enclosed space, converts the pressure signal into an electrical signal, and transmits it to the controller; if the air pressure in the gap between each tooth of the helical gear rises synchronously and the pressure values ​​are in an equal state, the tooth angles of the helical gear are in the same state; if during the process of rising air pressure, the air pressure in one tooth gap is greater than or less than the air pressure in another tooth gap, if the air pressure is greater than the air pressure in the other tooth gap, the angle of the tooth gap is greater than the angle of the other tooth gap, and if the air pressure is less than the air pressure in the other tooth gap, the angle of the tooth gap is less than the angle of the other tooth gap;

[0022] By detecting changes in air pressure, the angle of the helical gear teeth can be detected. Compared with laser detection, the laser will be affected by the side of the teeth, making it impossible for the laser to detect spiral teeth and thus unable to accurately detect the angle. However, by changing the air pressure, the difference in air pressure in the tooth gap can be intuitively reflected when the tooth gap changes, thereby detecting the angle difference of the helical gear teeth more quickly, improving the efficiency of tooth angle detection, and thus improving the quality of helical gear production.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] By detecting changes in air pressure, the angle of the helical gear teeth can be detected. Compared with laser detection, the laser will be affected by the side of the teeth, making it impossible for the laser to detect spiral teeth and thus unable to accurately detect the angle. However, by changing the air pressure, the difference in air pressure in the tooth gap can be intuitively reflected when the tooth gap changes, thereby detecting the angle difference of the helical gear teeth more quickly, improving the efficiency of tooth angle detection, and thus improving the quality of helical gear production. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A perspective view of the present invention;

[0026] Figure 2 Schematic diagram of the internal structure of the present invention;

[0027] Figure 3 It is an internal front view of the present invention;

[0028] Figure 4 is a transverse cross-sectional view of the present invention;

[0029] Figure 5 It is a horizontal top view of the present invention;

[0030] Figure 6 Schematic diagram of the internal structure of the detection capsule;

[0031] Figure 7 This is a top view of the interior of the test capsule;

[0032] Figure 8 It is a structural diagram of the conveying port;

[0033] Figure 9 Schematic diagram of the structure of the cover plate body;

[0034] In the figure: 1. detection body; 11. detection cavity; 12. cover body; 13. outlet; 14. movable cavity; 141. slider; 15. movable body; 151. slide groove; 152. push block; 16. detection capsule; 161. air cavity; 162. valve; 17. delivery port; 18. trumpet tube; 181. retaining groove; 182. annular baffle; 19. delivery pipe; 20. water pipe; 21. water trough. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example: Figures 1-9 As shown, the present invention provides a technical solution for a sensor-based specification-adaptive helical gear tooth angle intelligent detection device, comprising a detection body 1, wherein a detection cavity 11 is provided inside the detection body 1, a cover body 12 is provided above the detection cavity 11, the cover body 12 is separated from the detection body 1, a support frame is provided on the side of the cover body 12 away from the detection body 1, a hydraulic cylinder is provided on the support frame, a push rod of the hydraulic cylinder is connected to the cover body 12, and a debris outlet 13 is provided at the bottom of the detection cavity 11.

[0037] As a specific embodiment of the present invention, the detection chamber 11 is composed of a mobile chamber 14 and several mobile bodies 15, and the several mobile bodies 15 are arranged around the axis of the mobile chamber 14. A slider 141 is provided at the bottom of the mobile chamber 14, and a slide groove 151 is provided at the bottom of the mobile body 15. The slider 141 is slidably connected to the slide groove 151; a push block 152 is provided at the top of the mobile body 15, and several electric cylinders are provided in the side wall of the detection body 1, and the push rod of the electric cylinder is connected to the push block 152. Several of the mobile bodies 15 form a circular chamber.

[0038] As a specific embodiment of the present invention, a detection capsule 16 is provided on the side of the mobile body 15 away from the detection body 1. The detection capsule 16 is in a circular shape. Several air cavities 161 are provided inside the detection capsule 16. The spatial volumes of the air cavities 161 are equal, and two adjacent air cavities 161 are connected to each other. Several pressure sensors are provided on the side of the detection capsule 16 close to the center of the detection cavity 11, and the pressure sensors correspond one-to-one to the air cavities 161.

[0039] As a specific embodiment of the present invention, several of the moving bodies 15 are provided with air pumps inside, and the air pumps are connected to the detection bag 16 through a pipe. A valve 162 is provided on the side of the air cavity 161 away from the moving body 15. The valve 162 connects the space enclosed by the detection bag 16 with the air cavity 161, and the valve 162 opens to the side away from the air cavity 161.

[0040] As a specific embodiment of the present invention, the bottom of the detection chamber 11 is provided with several delivery ports 17, and the delivery ports 17 are connected to the impurity outlet 13; the delivery port 17 is composed of a trumpet tube 18 and a delivery pipe 19, the top diameter of the trumpet tube 18 is larger than the bottom diameter of the trumpet tube 18, and a retaining groove 181 is provided on the side wall of the trumpet tube 18, and an annular baffle 182 is provided on the retaining groove 181, and the annular baffle 182 is made of a flexible material, and an electromagnetic spring is provided between the annular baffle 182 and the retaining groove 181.

[0041] As a specific embodiment of the present invention, a water pipe 20 is provided on the top of the cover body 12, and several water flow troughs 21 are provided on the bottom of the cover body 12. A water storage tank is provided on the outside of the detection body 1, and a water pump is provided inside the water storage tank. The water pump is connected to the water pipe 20 through a pipeline, and the water flow trough 21 is connected to the water pipe 20.

[0042] As a specific embodiment of the present invention, the height of the water trough 21 on the side close to the axis of the cover body 12 is greater than the height of the water trough 21 on the side away from the axis of the cover body 12.

[0043] As a specific embodiment of the present invention, a helical gear is placed at the center of the detection capsule 16 , and two adjacent teeth of the helical gear, the detection capsule 16 , the water flow channel 21 and the bottom of the detection cavity 11 together form a closed chamber.

[0044] Working principle of the present invention:

[0045] The helical gear is placed at the center of the ring of the detection capsule 16. The hydraulic cylinder then pushes the cover body 12 to move it to the top of the helical gear. At this time, the axes of the cover body 12, the helical gear, and the detection chamber 11 are in a coincident state. The controller then controls the electric cylinder in the detection body 1 to move. The push rod of the electric cylinder then pushes the push block 152 to move. The push block 152 drives the moving body 15 to move. The moving body 15 moves along the slide groove 151 to the side away from the moving chamber 14, and then the moving body 15 drives the detection capsule 16 to move.

[0046] Several moving bodies 15 move synchronously, causing the detection capsule 16 to shrink toward the side close to the axis of the detection chamber 11. During the movement of the detection capsule 16, since the detection capsule 16 is in a circular shape, when the inner wall of the detection capsule 16 contacts the outer wall of the bevel gear, the controller controls the electric cylinder to close, and then the detection capsule 16 cooperates with the detection chamber 11 and the cover body 12 to complete the wrapping of the bevel gear. Then the controller controls the air pump to start, and the air pump extracts external air and transports it to the detection capsule 16 through the pipeline. Since the air cavity 161 is in a connected state, several air cavities 161 synchronously input gas, and the air pressure in each air cavity 161 is in the same state. As the gas is continuously input, the side of the detection capsule 16 close to the bevel gear will expand under the action of air pressure, and then the detection capsule 16 expands to the gap between the two adjacent teeth, so that the two adjacent teeth, the detection capsule 16, the water flow channel 21 and the bottom of the detection chamber 11 together form a closed chamber.

[0047] At this time, the controller controls the electromagnetic spring in the horn tube 18 to be energized, and the electromagnetic spring contracts after being energized, so that the electromagnetic spring pulls the annular baffle 182 to move during the contraction process, so that the annular baffle 182 contracts into the retaining groove 181, and then the conveying port 17 connects the enclosed space with the debris outlet 13;

[0048] Then the controller controls the water pump in the water tank to start, and the water pump transports the water through the pipe to the water pipe 20, and then transports it to the water trough 21 through the water pipe 20. Since the height of the water trough 21 close to the axis of the cover plate body 12 is greater than the height of the water trough 21 away from the axis of the cover plate body 12, the water flow rate increases during the flow, and flows vertically from the top of the helical gear to the bottom of the helical gear. Since the teeth of the helical gear are spiral, the water flow falls in the form of a spiral under the influence of gravity. In the process of falling water flow, the impact on the tooth gap is completed, and the tooth gap is cleaned, avoiding impurities and milling debris remaining in the tooth gap and interfering with subsequent angle detection. The cleaned water flows to the outlet 13 through the trumpet pipe 18 and the delivery pipe 19. Since the top diameter of the trumpet pipe 18 is greater than the bottom diameter of the trumpet pipe 18, the water flow rate is further accelerated during the output process, thereby improving the efficiency of cleaning the tooth gap and shortening the cleaning time.

[0049] When cleaning is completed, the controller controls the valve between the water flow trough 21 and the water flow pipe 20 to close. The air pump continuously inputs gas into the detection bag 16. When the air pressure in the air cavity 161 is greater than the load pressure, the gas in the air cavity 161 pushes the valve 162, and then the gas is transported to the enclosed space through the valve 162. Then the gas flows along the side of the tooth, cleaning the water droplets remaining on the side of the tooth during the flow process, thereby achieving tooth drying;

[0050] When the enclosed space is dry, the electromagnetic spring is controlled to be de-energized, and then the annular baffle 182 is reset under the action of the electromagnetic spring, so that the trumpet 18 is blocked. At this time, gas is continuously input into the enclosed space. As the gas is continuously input, the air pressure in the enclosed space rises. When the air pressure rises, the pressure sensor always detects the air pressure in the enclosed space, converts the pressure signal into an electrical signal, and transmits it to the controller; if the air pressure in the gap between each tooth of the helical gear rises synchronously and the pressure values ​​are equal, the tooth angles of the helical gear are in the same state; if during the process of rising air pressure, the air pressure in a tooth gap is greater than or less than the air pressure in another tooth gap, if the air pressure is greater than the air pressure in another tooth gap, the angle of the tooth gap is greater than the angle of the other tooth gap, and if the air pressure is less than the air pressure in another tooth gap, the angle of the tooth gap is less than the angle of the other tooth gap.

[0051] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. Sensor-based intelligent detection equipment for the tooth angle of helical gears with adaptive specifications, characterized by: The invention comprises a detection body (1), wherein a detection cavity (11) is provided inside the detection body (1), a cover body (12) is provided above the detection cavity (11), the cover body (12) is separated from the detection body (1), a support frame is provided on the side of the cover body (12) away from the detection body (1), a hydraulic cylinder is provided on the support frame, a push rod of the hydraulic cylinder is connected to the cover body (12), and a miscellaneous outlet (13) is provided at the bottom of the detection cavity (11); The detection chamber (11) is composed of a movable chamber (14) and a plurality of movable bodies (15). A slider (141) is provided at the bottom of the movable chamber (14), a slide groove (151) is provided at the bottom of the movable body (15), a push block (152) is provided at the top of the movable body (15), a detection capsule (16) is provided on the side of the movable body (15) away from the detection body (1), and a plurality of air cavities (161) are provided inside the detection capsule (16).

2. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 1 is characterized by: A plurality of the moving bodies (15) are arranged around the axis of the moving cavity (14), and the slider (141) is slidably connected to the slide groove (151).

3. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 2, characterized in that: A plurality of electric cylinders are arranged in the side wall of the detection body (1), the push rods of the electric cylinders are connected to the push blocks (152), and the plurality of the moving bodies (15) form a circular chamber.

4. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 2, characterized in that: The detection capsule (16) is annular, the spatial volumes of the air cavities (161) are equal, and two adjacent air cavities (161) are connected to each other. A plurality of pressure sensors are provided on one side of the detection capsule (16) close to the center of the detection cavity (11), and the pressure sensors correspond to the air cavities (161) one by one.

5. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 4 is characterized in that: Several of the moving bodies (15) are provided with air pumps inside, and the air pumps are connected to the detection capsule (16) through a pipeline. A valve (162) is provided on the side of the air cavity (161) away from the moving body (15). The valve (162) connects the space enclosed by the detection capsule (16) with the air cavity (161), and the valve (162) opens to the side away from the air cavity (161).

6. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 1, characterized in that: The bottom of the detection chamber (11) is provided with a plurality of delivery ports (17), and the delivery ports (17) are communicated with the impurity outlet (13).

7. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 6, characterized in that: The delivery port (17) is composed of a bell tube (18) and a delivery pipe (19). The top diameter of the bell tube (18) is larger than the bottom diameter of the bell tube (18). A retaining groove (181) is provided on the side wall of the bell tube (18). An annular baffle (182) is provided on the retaining groove (181). The annular baffle (182) is made of a flexible material. An electromagnetic spring is provided between the annular baffle (182) and the retaining groove (181).

8. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 5, characterized in that: A water pipe (20) is provided on the top of the cover body (12), and a plurality of water troughs (21) are provided on the bottom of the cover body (12). A water storage tank is provided outside the detection body (1), and a water pump is provided inside the water storage tank. The water pump is connected to the water pipe (20) through a pipeline, and the water troughs (21) are connected to the water pipe (20).

9. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 8, characterized in that: The height of the water trough (21) on the side close to the axis of the cover plate body (12) is greater than the height of the water trough (21) on the side away from the axis of the cover plate body (12).

10. The sensor-based intelligent detection device for the tooth angle of helical gears according to claim 9, characterized in that: A helical gear is placed at the center of the detection capsule (16), and two adjacent teeth of the helical gear, the detection capsule (16), the water flow channel (21) and the bottom of the detection cavity (11) together form a closed chamber.

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