Sealing performance detection device for floating oil seal

Abstract

The invention belongs to the technical field of oil seal detection, and particularly discloses a floating oil seal tightness detection device, which comprises a detection table, a motion simulation mechanism is arranged at the top of the detection table and is used for simulating a dynamic environment, a pressurizing mechanism is arranged outside the detection table and is used for providing air pressure, and the detection table is used for detecting the tightness of a floating oil seal. A pressure stabilizing mechanism is arranged at the top of the detection table and used for stabilizing air pressure, an environment simulation mechanism is arranged outside the motion simulation mechanism and used for simulating the natural environment, and the motion simulation mechanism comprises a sliding groove. The sealing condition of the floating oil seal in a dynamic state is simulated through the motion simulation mechanism, and the sealing condition of the floating oil seal in a high-temperature and large-dust environment can be simulated by utilizing the environment simulation mechanism, so that the device can be used for detecting the sealing performance of the floating oil seal under various conditions, the transfer time is shortened, and the detection efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of oil seal detection, and specifically discloses a floating oil seal sealing detection device. Background Art

[0002] Floating oil seal is a special type of mechanical seal, mainly used in harsh working environment, such as coal powder, sand, water vapor, etc., to provide super strong sealing performance. It is a compact mechanical seal, mainly used in low speed and heavy load occasions. Floating oil seal has the advantages of wear resistance, automatic compensation after end face wear, reliable operation and simple structure.

[0003] After the floating oil seal in the prior art is produced, a sealing detection device is needed to detect the sealing of the floating oil seal. However, the current floating oil seal sealing detection device can generally only perform a single test. If a sealing test under other conditions is required, other devices are required. Therefore, if a more comprehensive sealing test is to be performed, it is necessary to transfer it between various devices, which increases the transfer time and reduces the efficiency of the test. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose a floating oil seal sealing detection device to solve the problem that the floating oil seal sealing detection device in the prior art can only perform a single test, resulting in the need to add equipment when performing a more comprehensive sealing test, which in turn increases the transportation time and reduces the efficiency of the test.

[0005] To achieve the above objectives, the present invention provides a floating oil seal sealing detection device, comprising a detection platform, a motion simulation mechanism is arranged on the top of the detection platform, the motion simulation mechanism is used to simulate a dynamic environment, a charging mechanism is arranged outside the detection platform, the charging mechanism is used to provide air pressure, a pressure stabilizing mechanism is arranged on the top of the detection platform, the pressure stabilizing mechanism is used to stabilize the air pressure, and an environment simulation mechanism is arranged outside the motion simulation mechanism, the environment simulation mechanism is used to simulate a natural environment.

[0006] In the above technical scheme, preferably, the motion simulation mechanism includes a sliding groove, which is opened inside the top end of the detection platform, and the sliding groove is slidably connected to a sliding seat inside the sliding groove, and the top of the sliding seat is fixedly connected to a motor, and the output end of the motor is fixedly connected to an externally threaded column, and the top of the detection platform is fixedly connected to an internally threaded sleeve, and the externally threaded column is threadedly connected to the inside of the internally threaded sleeve, and the side of the externally threaded column away from the motor is fixedly connected to a connecting rod, and the side of the connecting rod away from the externally threaded column is fixedly connected to a mounting head, a friction sleeve is arranged on the outside of the mounting head, and the end of the mounting head away from the externally threaded column is fixedly connected to a floating oil seal.

[0007] In the above technical solution, preferably, the charging mechanism includes a fixed outer cylinder, the outside of the fixed outer cylinder is fixedly connected to the outside of the detection table, the inside of the fixed outer cylinder is slidably connected with a movable plug, the side of the movable plug close to the sliding seat is fixedly connected with a movable inner rod, the end of the movable inner rod away from the movable plug is fixedly connected with a one-way valve 1, the end of the fixed outer cylinder away from the one-way valve 1 is fixedly connected with a one-way valve 2, the outside of the movable inner rod is fixedly connected with a driving rod, the top of the driving rod is fixedly connected to the outside of the sliding seat, and the end of the one-way valve 2 away from the fixed outer cylinder is fixedly connected A ventilation pipe is connected, the outside of the ventilation pipe is fixedly connected to an exhaust pipe, the inside of the exhaust pipe is slidably connected to a movable plug, the side of the movable plug close to the ventilation pipe is fixedly connected to a connecting column, the side of the connecting column close to the ventilation pipe is fixedly connected to a limiting disk, a plurality of ventilation holes are opened inside the limiting disk, the side of the movable plug away from the ventilation holes is fixedly connected to a mounting circular plate, the outside of the exhaust pipe is fixedly connected to a fixing ring, a tension spring is fixedly connected between the mounting circular plate and the fixing ring, the tension spring is sleeved on the outside of the exhaust pipe, and the limiting disk is slidably connected to the inside of the exhaust pipe.

[0008] In the above technical scheme, preferably, the pressure stabilizing mechanism includes a pressure stabilizing box, the bottom of which is fixedly connected to the top of the testing bench, the outside of the pressure stabilizing box is fixedly connected to a mounting pipe seat, the inner wall of the mounting pipe seat is provided with a plurality of limiting grooves, the inside of the mounting pipe seat is slidably connected to a sliding plate, a plurality of holes are provided inside the outer edge of the sliding plate, a plurality of limiting sliding blocks are fixedly connected to the outside of the sliding plate, the limiting sliding blocks are slidably connected to the inside of the limiting grooves, a pressure spring is provided inside the mounting pipe seat, and a pressure gauge is fixedly connected to the top of the pressure stabilizing box.

[0009] In the above technical solution, preferably, the environmental simulation mechanism includes a mounting cover, the inner side of the mounting cover is slidably connected to the outside of the friction sleeve, a plurality of connecting holes are provided inside the mounting cover, a connecting groove is provided on the side of the inside of the mounting cover away from the pressure stabilizing box, the outside of the mounting cover is fixedly connected to a housing cylinder, the top of the housing cylinder is fixedly connected to a ventilation valve, the top of the ventilation valve is fixedly connected to a ventilation hose, the end of the ventilation hose away from the housing cylinder is fixedly connected to an automatic valve, the bottom of the automatic valve is fixedly connected to the top of the pressure stabilizing box, and the mounting cover is fixedly connected to the outer side of the mounting cover. A heating wire is arranged inside the cover, the outside of the containing cylinder is fixedly connected with a placing groove, the outside of the mounting cover is fixedly connected with two ears, the inside of the ears is provided with a hole, the outside of the friction sleeve is fixedly connected with a mounting cover, the outer periphery of the mounting cover is provided with two grooves, the outside of the mounting cover is fixedly connected with two frames, one of the frames is fixedly connected with a fixing cylinder on the side away from the sliding seat, the inside of the fixing cylinder is slidably connected with a limiting sliding disk, the middle of the limiting sliding disk is fixedly connected with an insert rod, and a reset spring is sleeved on the outside of the insert rod.

[0010] In the above technical solution, preferably, the side of the pressure stabilizing box close to the sliding seat is fixedly connected to the side of the friction sleeve away from the sliding seat, and the side of the mounting pipe seat away from the pressure stabilizing box is fixedly connected to the side of the ventilation pipe away from the second one-way valve.

[0011] In the above technical solution, preferably, one end of the pressure spring is fixedly connected to the inside of the limiting slide groove, and the other end of the pressure spring is fixedly connected to a side of the sliding plate close to the pressure stabilizing box.

[0012] In the above technical solution, preferably, one end of the return spring is fixedly connected to the outside of the fixed cylinder, and the other end of the return spring is fixedly connected to one end of the limiting sliding plate away from the card frame.

[0013] In the above technical solution, preferably, one end of the insertion rod away from the card frame is fixedly connected with a pull ring, and the interior of the bottom end of the receiving tube is connected to the interior of the communicating groove.

[0014] In the above technical solution, preferably, the outside of the ear is engaged with the inside of the card frame, and the insertion rod is engaged with the inside of the card hole.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention simulates the sealing condition of the floating oil seal in a dynamic state by means of a motion simulation mechanism, and can simulate the sealing condition of the floating oil seal in a high temperature and dusty environment by means of an environmental simulation mechanism. Therefore, one device can perform the sealing test of the floating oil seal under various conditions, thereby eliminating the need to add equipment or to transfer between various devices, reducing the time of transfer and improving the efficiency of the test.

[0016] 2. The present invention realizes the operation of the entire device through a power unit. At the same time, the structure of the entire device is relatively simple, so the cost is low, which can reduce the production cost of the equipment and further reduce the cost of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of the present invention; Figure 2 It is a structural schematic diagram of the sliding groove of the present invention; Figure 3 It is a structural schematic diagram of the sliding seat of the present invention; Figure 4 It is a structural schematic diagram of the movable plug of the present invention; Figure 5 It is a structural schematic diagram of the friction sleeve of the present invention; Figure 6 It is a structural schematic diagram of the sliding plate of the present invention; Figure 7 It is a structural schematic diagram of the limiting plate of the present invention; Figure 8 It is a structural schematic diagram of the installation cover of the present invention; Fig. 9 It is a structural schematic diagram of the card slot of the present invention.

[0018] In the figure: 1. test bench; 2. motion simulation mechanism; 201. sliding groove; 202. sliding seat; 203. motor; 204. external thread column; 205. internal thread sleeve; 206. connecting rod; 207. mounting head; 208. friction sleeve; 3. pressurizing mechanism; 301. fixed outer cylinder; 302. movable plug; 303. movable inner rod; 304. one-way valve 1; 305. one-way valve 2; 306. driving rod; 307. vent pipe; 308. exhaust pipe; 309. movable plug; 310. connecting column; 311. limit plate; 312. vent hole; 313. mounting circular plate; 314. fixing ring; 315. tension spring; 4. pressure stabilizing mechanism; 401. Pressure stabilizing box; 402, installation pipe seat; 403, limit slide groove; 404, sliding plate; 405, hole; 406, limit slide block; 407, pressure spring; 5, environmental simulation mechanism; 501, installation cover; 502, connecting hole; 503, connecting groove; 504, receiving tube; 505, ventilation valve; 506, ventilation hose; 507, automatic valve; 508, heating wire; 509, placing groove; 510, ear; 511, clamping hole; 512, installation cover; 513, clamping groove; 514, clamping frame; 515, fixing tube; 516, limit slide disk; 517, plug rod; 518, reset spring; 519, pull ring; 6, barometer; 7, floating oil seal. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] like Figure 1-Figure 9 A floating oil seal sealing detection device shown includes a detection platform 1, a motion simulation mechanism 2 is arranged on the top of the detection platform 1, and the motion simulation mechanism 2 is used to simulate a dynamic environment. A charging mechanism 3 is arranged outside the detection platform 1, and the charging mechanism 3 is used to provide air pressure. A pressure stabilizing mechanism 4 is arranged on the top of the detection platform 1, and the pressure stabilizing mechanism 4 is used to stabilize the air pressure. An environment simulation mechanism 5 is arranged outside the motion simulation mechanism 2, and the environment simulation mechanism 5 is used to simulate a natural environment.

[0022] The motion simulation mechanism 2 includes a sliding groove 201, which is provided inside the top of the detection platform 1. The sliding groove 201 is slidably connected to a sliding seat 202. After the sliding seat 202 slides inside the sliding groove 201, the sliding stability of the sliding seat 202 can be maintained. The top of the sliding seat 202 is fixedly connected to a motor 203, and the output end of the motor 203 is fixedly connected to an external thread column 204. The top of the detection platform 1 is fixedly connected to an internal thread sleeve 205. The external thread column 204 and the internal thread sleeve 205 cooperate to enable the external thread column 204 to move when rotating. The external thread column 204 is threadedly connected to the inside of the internal thread sleeve 205. The side of the external thread column 204 away from the motor 203 is fixedly connected to a connecting rod 206. The side of the connecting rod 206 away from the external thread column 204 is fixedly connected to a mounting head 207. A friction sleeve 208 is arranged on the outside of the mounting head 207. The end of the mounting head 207 away from the external thread column 204 is fixedly connected to a floating oil seal 7. The motor is started. 203, after the output end of the motor 203 rotates, it can drive the external threaded column 204 to rotate. After the external threaded column 204 rotates, it can move in the direction of the pressure stabilizing mechanism 4 with the cooperation of the internal threaded sleeve 205, and at the same time it can also drive the connecting rod 206 to rotate. When the connecting rod 206 rotates, it can drive the mounting head 207 to rotate and can drive the mounting head 207 to move in the direction of the pressure stabilizing mechanism 4, and drive the floating oil seal 7 to rotate and move in the direction of the pressure stabilizing mechanism 4 through the mounting head 207. If the external threaded column 204 moves from one side close to the motor 203 to one side of the internal threaded sleeve 205, the motor 203 can be controlled to rotate in the opposite direction, and then the external threaded column 204, the connecting rod 206 and the mounting head 207 can be driven to rotate in the opposite direction. At the same time, with the cooperation of the internal threaded sleeve 205, the external threaded column 204, the connecting rod 206 and the mounting head 207 can be forced to move in the direction of the sliding seat 202, and then the dynamic simulation of the rotation and sliding of the floating oil seal 7 can be realized.

[0023] The pressurizing mechanism 3 comprises a fixed outer cylinder 301, the outside of the fixed outer cylinder 301 is fixedly connected to the outside of the testing platform 1, the inside of the fixed outer cylinder 301 is slidably connected with a movable plug 302, the side of the movable plug 302 close to the sliding seat 202 is fixedly connected with a movable inner rod 303, and the movable inner rod 303 and the movable plug 302 can generate flowing gas when sliding inside the fixed outer cylinder 301, the end of the movable inner rod 303 away from the movable plug 302 is fixedly connected with a one-way valve 1 304, and the end of the fixed outer cylinder 301 away from the one-way valve 1 304 is fixedly connected with a one-way valve 2 305, the one-way valve 1 304 and the one-way valve 2 305 perform one-way ventilation, the outside of the movable inner rod 303 is fixedly connected with a driving rod 306, and the top of the driving rod 306 The first end of the one-way valve 305 is fixedly connected to the outside of the sliding seat 202, and the end of the one-way valve 205 away from the fixed outer cylinder 301 is fixedly connected to the vent pipe 307, and the vent pipe 307 serves to connect ventilation. The outside of the vent pipe 307 is fixedly connected to the exhaust pipe 308, and the inside of the exhaust pipe 308 is slidably connected to a movable plug 309, which can block the inside of the exhaust pipe 308, thereby preventing the gas in the vent pipe 307 from being discharged. The side of the movable plug 309 close to the vent pipe 307 is fixedly connected to a connecting column 310, and the connecting column 310 serves as a connection. The side of the connecting column 310 close to the vent pipe 307 is fixedly connected to a limiting disk 311, and the limiting disk 311 can maintain the sliding stability of the movable plug 309. The inner part of the limiting disk 311 A plurality of vent holes 312 are provided on the part, and the vent holes 312 can facilitate the discharge of gas. A mounting circular plate 313 is fixedly connected to the side of the movable plug 309 away from the vent holes 312. A fixing ring 314 is fixedly connected to the outside of the exhaust pipe 308. A tension spring 315 is fixedly connected between the mounting circular plate 313 and the fixing ring 314. The mounting circular plate 313 and the fixing ring 314 can play the role of installing the tension spring 315. The tension spring 315 is sleeved on the outside of the exhaust pipe 308, and the limit plate 311 is slidably connected to the inside of the exhaust pipe 308. When the sliding seat 202 moves back and forth, it can drive the driving rod 306 to move back and forth, thereby driving the movable inner rod 303 and the movable plug 302 to move back and forth. When the movable inner rod 303 moves toward the vent pipe When the movable inner rod 303 moves in the direction away from the vent pipe 307, the one-way valve 2 305 is closed and the one-way valve 1 304 is opened, so that the air inside the fixed outer cylinder 301 can be squeezed into the interior of the vent pipe 307. When the movable inner rod 303 moves in the direction away from the vent pipe 307, the one-way valve 2 305 is closed and the one-way valve 1 304 is opened. At this time, when the movable inner rod 303 and the movable plug 302 move in the direction away from the vent pipe 307, the outside air can be sucked into the interior of the fixed outer cylinder 301 through the one-way valve 1 304. When the air pressure inside the pressure stabilizing mechanism 4 is too high and the gas can no longer be filled into the pressure stabilizing mechanism 4, the gas will push the movable plug 309 to move in the direction away from the vent pipe 307 and stretch the tension spring 315.When the movable plug 309 is completely moved out of the exhaust pipe 308, the gas will be discharged through the exhaust pipe 308. When the air in the vent pipe 307 stops being discharged from the exhaust pipe 308, the tension spring 315 can pull the mounting circular plate 313 to move toward the vent pipe 307 and move the movable plug 309 back into the exhaust pipe 308, thereby preventing the gas from being discharged from the exhaust pipe 308.

[0024] The pressure stabilizing mechanism 4 includes a pressure stabilizing box 401, which can store gas. The bottom of the pressure stabilizing box 401 is fixedly connected to the top of the test bench 1. The outside of the pressure stabilizing box 401 is fixedly connected with a mounting pipe seat 402. The mounting pipe seat 402 provides a mounting position. The inner wall of the mounting pipe seat 402 is provided with a plurality of limiting slide grooves 403. The inside of the mounting pipe seat 402 is slidably connected with a sliding plate 404. The outer edge of the sliding plate 404 is provided with a plurality of holes 405. The outside of the sliding plate 404 is fixedly connected with a plurality of limiting sliding blocks 406. The cooperation between the limiting slide grooves 403 and the limiting sliding blocks 406 can ensure the sliding stability of the sliding plate 404. The limiting sliding blocks 406 The slide is connected inside the limit slide groove 403, and a pressure spring 407 is arranged inside the mounting pipe seat 402. A pressure gauge 6 is fixedly connected to the top of the pressure stabilizing box 401. The side of the pressure stabilizing box 401 close to the sliding seat 202 is fixedly connected to the side of the friction sleeve 208 away from the sliding seat 202. The side of the mounting pipe seat 402 away from the pressure stabilizing box 401 is fixedly connected to the side of the vent pipe 307 away from the one-way valve 305. One end of the pressure spring 407 is fixedly connected to the inside of the limit slide groove 403, and the other end of the pressure spring 407 is fixedly connected to the side of the sliding plate 404 close to the pressure stabilizing box 401. When the gas in the vent pipe 307 enters the inside of the pressure stabilizing box 401, the gas will The sliding plate 404 is pushed to move in the direction of the pressure stabilizing box 401. When the hole 405 on the sliding plate 404 is not blocked by the mounting tube seat 402, the gas will enter the interior of the mounting tube seat 402 through the hole 405, and enter the interior of the pressure stabilizing box 401 through the mounting tube seat 402. When there is no gas entering the interior of the pressure stabilizing box 401 from the inside of the ventilation pipe 307, the sliding plate 404 can be driven to move in the direction of the ventilation pipe 307 under the action of the pressure spring 407, so that the hole 405 can be blocked by the inner wall of the mounting tube seat 402 close to the ventilation pipe 307, preventing the gas inside the pressure stabilizing box 401 from being discharged from the interior of the pressure stabilizing box 401. When the internal air pressure is high, if the sealing performance of the floating oil seal 7 is not good during the dynamic simulation of the floating oil seal 7, the gas inside the pressure stabilizing box 401 will leak through the friction sleeve 208, and the barometer 6 will change at this time. If the sealing performance of the floating oil seal 7 is good, the value of the barometer 6 will not change. When performing a static test, after the floating oil seal 7 is moved to the inside of the friction sleeve 208, when the pressure stabilizing box 401 is filled with gas, if the sealing performance of the floating oil seal 7 is good, the value of the barometer 6 will not change. When the sealing performance of the floating oil seal 7 is poor, the gas inside the pressure stabilizing box 401 will leak through the friction sleeve 208, causing the value of the barometer 6 to change.

[0025] The environmental simulation mechanism 5 includes a mounting cover 501, the inner side of which is slidably connected to the outside of the friction sleeve 208, a plurality of connecting holes 502 are provided inside the mounting cover 501, a connecting groove 503 is provided on the side of the mounting cover 501 away from the pressure stabilizing box 401, a receiving cylinder 504 is fixedly connected to the outside of the mounting cover 501, the receiving cylinder 504 can be conveniently added with sand, and the sand can also be conveniently passed into the inside of the connecting groove 503, when the inside of the receiving cylinder 504 is filled with gas, the sand can be blown into the inside of the friction sleeve 208 through the connecting holes 502, thereby simulating a sand and dust environment, the top of the mounting cylinder 504 is fixedly connected with a ventilation valve 505, and the top of the ventilation valve 505 is fixedly connected with a ventilation hose 506, the ventilation hose 506 can play a role in ventilation, and the end of the ventilation hose 506 away from the receiving cylinder 504 is fixedly connected to an automatic valve 507, and the bottom of the automatic valve 507 is fixedly connected to the top of the voltage-stabilizing box 401. The interior of the mounting cover 501 is provided with a heating wire 508, and the heating wire 508 plays a role in heating. The exterior of the receiving cylinder 504 is fixedly connected with a placement groove 509, and the placement groove 509 is convenient for passing sand into the interior of the receiving cylinder 504. The exterior of the mounting cover 501 is fixedly connected with two clamping ears 510, and the interior of the clamping ears 510 is provided with a clamping hole 511. The exterior of the friction sleeve 208 is fixedly connected with an installation cover 512, and the outer periphery of the installation cover 512 is provided with two clamping grooves 513. The installation cover 512 The outside of the accommodating cylinder 504 is fixedly connected with two card frames 514, one of which is fixedly connected with a fixed cylinder 515 on the side away from the sliding seat 202, the fixed cylinder 515 is slidably connected with a limited sliding disk 516 inside, and a plug rod 517 is fixedly connected to the middle of the limited sliding disk 516, and a reset spring 518 is sleeved on the outside of the plug rod 517, one end of the reset spring 518 is fixedly connected to the outside of the fixed cylinder 515, and the other end of the reset spring 518 is fixedly connected to the end of the limited sliding disk 516 away from the card frame 514, and a pull ring 519 is fixedly connected to the end of the plug rod 517 away from the card frame 514, the bottom end of the accommodating cylinder 504 is connected to the inside of the connecting groove 503, the outside of the ear 510 is engaged with the inside of the card frame 514, and the plug rod 517 is sleeved with a reset spring 518 outside. One end of the reset spring 518 is fixedly connected to the outside of the fixed cylinder 515, and the other end of the reset spring 518 is fixedly connected to the end of the limited sliding disk 516 away from the card frame 514. Engaged with the inside of the card hole 511, when high temperature simulation is performed, the connecting hole 502 is opened. When the temperature of the connecting hole 502 increases, the temperature on the friction sleeve 208 will increase, and then the sealing condition of the floating oil seal 7 in a high temperature environment can be simulated. When a dusty environment is simulated, the automatic valve 507 is opened. At this time, the gas inside the pressure stabilizing box 401 will enter the inside of the ventilation hose 506 through the automatic valve 507. At this time, the ventilation valve 505 is opened again, and the gas enters the inside of the receiving cylinder 504 through the ventilation valve 505, and then the sand inside the receiving cylinder 504 and the connecting groove 503 can be blown up, and then the sand is blown into the inside of the mounting cover 501 through the connecting hole 502. When the connecting rod 206 slides inside the mounting cover 501,The sand will be scattered between the space formed by the floating oil seal 7 and the friction sleeve 208, so as to simulate a dusty environment. When removing the floating oil seal 7, first pull the pull ring 519 in the direction away from the card frame 514, so as to drive the insertion rod 517 to move in the direction away from the mounting cover 512, and then the insertion rod 517 can be moved out of the inside of the card hole 511, and then the mounting cover 501 is rotated, so that the card ear 510 can be moved to the notch of the card slot 513, so that the card ear 510 can be slid out of the notch of the card slot 513, and then the mounting cover 501 can be removed from the friction The outside of the sleeve 208 slides out, and when installing the installation cover 501, it is only necessary to align the ear 510 with the notch of the card slot 513 and push it in, and rotate the installation cover 501 so that the ear 510 can be driven to rotate to the inside of the card frame 514. At this time, the pull ring 519 is loosened, and the limit sliding plate 516 can be driven to reset under the action of the reset spring 518, and then the insertion rod 517 can be driven to reset. At this time, the insertion rod 517 can be re-engaged in the inside of the card hole 511, and then the installation cover 501 is prevented from rotating under the movement of the connecting rod 206, thereby preventing the installation cover 501 from falling off from the installation cover 512.

[0026] Working principle: When performing dynamic detection, first start the motor 203. After the output end of the motor 203 rotates, it can drive the external thread column 204 to rotate. After the external thread column 204 rotates, it can move in the direction of the pressure stabilizing mechanism 4 with the cooperation of the internal thread sleeve 205, and can also drive the connecting rod 206 to rotate. When the connecting rod 206 rotates, it can drive the mounting head 207 to rotate and can drive the mounting head 207 to move in the direction of the pressure stabilizing mechanism 4. The floating oil seal 7 is driven to rotate and move in the direction of the pressure stabilizing mechanism 4 through the mounting head 207. If the external thread column 204 moves from one side of the motor 203 to one side of the internal thread sleeve 205, the motor 203 can be controlled to rotate in the opposite direction, and then the external thread column 204, the connecting rod 206 and the mounting head 207 can be driven to rotate in the opposite direction. At the same time, with the cooperation of the internal thread sleeve 205, the external thread column 204, the connecting rod 206 and the mounting head 207 can be forced to move in the direction of the sliding seat 202, and then the dynamic simulation of the rotation and sliding of the floating oil seal 7 can be realized. When the sliding seat 202 moves back and forth, it can drive the driving rod 306 to move back and forth, thereby driving the movable inner rod 303 and the movable plug 302 to move back and forth. When the movable inner rod 303 moves in the direction of the vent pipe 307, the one-way valve 1 304 is closed and the one-way valve 2 305 is opened, so that the air inside the fixed outer cylinder 301 can be squeezed into the interior of the vent pipe 307. When the movable inner rod 303 moves in the direction away from the vent pipe 307, the one-way valve 2 305 is closed and the one-way valve 1 304 is opened. At this time, when the movable inner rod 303 and the movable plug 302 move in the direction away from the vent pipe 307, the one-way valve 1 304 can be used to squeeze the air inside the fixed outer cylinder 301 into the interior of the vent pipe 307. The outside air is sucked into the interior of the fixed outer cylinder 301. When the air pressure inside the pressure stabilizing mechanism 4 is too high and the gas can no longer be filled into the interior of the pressure stabilizing mechanism 4, the gas will push the movable plug 309 to move away from the vent pipe 307 and stretch the tension spring 315. When the movable plug 309 is completely moved out of the exhaust pipe 308, the gas will be discharged through the exhaust pipe 308. When the air in the vent pipe 307 stops being discharged from the exhaust pipe 308, the tension spring 315 can pull the mounting circular plate 313 to move in the direction of the vent pipe 307 and move the movable plug 309 back into the exhaust pipe 308, thereby preventing the gas from being discharged from the exhaust pipe 308. When the gas in the vent pipe 307 enters the interior of the pressure-stabilizing box 401, the gas will push the sliding plate 404 to move in the direction of the pressure-stabilizing box 401. When the hole 405 on the sliding plate 404 is not blocked by the mounting tube seat 402, the gas will pass through the hole 405 to enter the interior of the mounting tube seat 402, and enter the interior of the pressure-stabilizing box 401 through the mounting tube seat 402. When there is no gas from the inside of the vent pipe 307 entering the interior of the pressure-stabilizing box 401, the sliding plate 404 can be driven to move in the direction of the vent pipe 307 under the action of the pressure spring 407, so that the hole 405 can be blocked by the mounting tube seat 402 close to the inner wall of the vent pipe 307, thereby preventing the gas inside the pressure-stabilizing box 401 from being discharged from the pressure-stabilizing box. 401, when the internal air pressure of the pressure stabilizing box 401 is high, if the sealing performance of the floating oil seal 7 is not good during the dynamic simulation of the floating oil seal 7, the gas inside the pressure stabilizing box 401 will leak through the friction sleeve 208, and the barometer 6 will change at this time. If the sealing performance of the floating oil seal 7 is good, the value of the barometer 6 will not change. When performing a static test, after the floating oil seal 7 is moved to the inside of the friction sleeve 208, when the pressure stabilizing box 401 is filled with gas, if the sealing performance of the floating oil seal 7 is good, the value of the barometer 6 will not change. When the sealing performance of the floating oil seal 7 is poor, the gas inside the pressure stabilizing box 401 will leak through the friction sleeve 208, causing the value of the barometer 6 to change. When high temperature simulation is performed, the connecting hole 502 is opened. When the temperature of the connecting hole 502 increases, the temperature on the friction sleeve 208 will increase, and then the sealing condition of the floating oil seal 7 in a high temperature environment can be simulated. When a dusty environment is simulated, the automatic valve 507 is opened. At this time, the gas inside the pressure stabilizing box 401 will enter the interior of the ventilation hose 506 through the automatic valve 507. At this time, the ventilation valve 505 is opened again, and the gas enters the interior of the receiving cylinder 504 through the ventilation valve 505, and then the sand inside the receiving cylinder 504 and the connecting groove 503 can be blown up, and then the sand is blown into the interior of the mounting cover 501 through the connecting hole 502. When the connecting rod 206 slides inside the mounting cover 501, the sand will be scattered between the space formed by the floating oil seal 7 and the friction sleeve 208, so as to simulate a dusty environment. If the floating oil seal 7 is removed, first pull the pull ring 519 in the direction away from the card frame 514, so as to drive the plug The rod 517 moves away from the mounting cover 512, and then the insertion rod 517 can be moved out of the inside of the card hole 511. At this time, the mounting cover 501 is rotated, and then the card ear 510 can be moved to the gap of the card slot 513, and then the card ear 510 can be slid out of the gap of the card slot 513, and then the mounting cover 501 can be slid out of the outside of the friction sleeve 208. When installing the mounting cover 501, it is only necessary to align the card ear 510 with the gap of the card slot 513. Push in and rotate the mounting cover 501 so as to drive the ear 510 to rotate to the inside of the frame 514. At this time, release the pull ring 519, and the limit slide 516 can be reset under the action of the reset spring 518, and then the insertion rod 517 can be reset. At this time, the insertion rod 517 can be re-engaged in the inside of the hole 511, thereby preventing the mounting cover 501 from rotating under the movement of the connecting rod 206, thereby preventing the mounting cover 501 from falling off from the mounting cover 512.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A floating oil seal sealing detection device, comprising a detection platform (1), characterized in that: The top of the detection platform (1) is provided with a motion simulation mechanism (2), the motion simulation mechanism (2) is used to simulate a dynamic environment, the outside of the detection platform (1) is provided with a pressure charging mechanism (3), the pressure charging mechanism (3) is used to provide air pressure, the top of the detection platform (1) is provided with a pressure stabilizing mechanism (4), the pressure stabilizing mechanism (4) is used to stabilize the air pressure, and the outside of the motion simulation mechanism (2) is provided with an environment simulation mechanism (5), the environment simulation mechanism (5) is used to simulate a natural environment.

2. A floating oil seal sealing detection device according to claim 1, characterized in that: The motion simulation mechanism (2) comprises a sliding groove (201), wherein the sliding groove (201) is provided inside the top of the detection platform (1), a sliding seat (202) is slidably connected inside the sliding groove (201), a motor (203) is fixedly connected to the top of the sliding seat (202), an external threaded column (204) is fixedly connected to the output end of the motor (203), an internal threaded sleeve (205) is fixedly connected to the top of the detection platform (1), the external threaded column (204) is threadedly connected to the inside of the internal threaded sleeve (205), a connecting rod (206) is fixedly connected to the side of the external threaded column (204) away from the motor (203), a mounting head (207) is fixedly connected to the side of the connecting rod (206) away from the external threaded column (204), a friction sleeve (208) is arranged outside the mounting head (207), and a floating oil seal (7) is fixedly connected to the end of the mounting head (207) away from the external threaded column (204).

3. A floating oil seal sealing detection device according to claim 2, characterized in that: The charging mechanism (3) comprises a fixed outer cylinder (301), the outer portion of the fixed outer cylinder (301) is fixedly connected to the outer portion of the testing platform (1), the inner portion of the fixed outer cylinder (301) is slidably connected to a movable plug (302), the side of the movable plug (302) close to the sliding seat (202) is fixedly connected to a movable inner rod (303), the end of the movable inner rod (303) away from the movable plug (302) is fixedly connected to a first check valve (304), the end of the fixed outer cylinder (301) away from the first check valve (304) is fixedly connected to a second check valve (305), the outer portion of the movable inner rod (303) is fixedly connected to a driving rod (306), the top of the driving rod (306) is fixedly connected to the outer portion of the sliding seat (202), the end of the second check valve (305) away from the fixed outer cylinder (301) is fixedly connected to a ventilation pipe (307), and the ventilation pipe (30 7) is fixedly connected to the outside of the exhaust pipe (308), a movable plug (309) is slidably connected to the inside of the exhaust pipe (308), a connecting column (310) is fixedly connected to the side of the movable plug (309) close to the ventilation pipe (307), a limiting plate (311) is fixedly connected to the side of the connecting column (310) close to the ventilation pipe (307), a plurality of ventilation holes (312) are provided inside the limiting plate (311), a mounting circular plate (313) is fixedly connected to the side of the movable plug (309) away from the ventilation holes (312), a fixing ring (314) is fixedly connected to the outside of the exhaust pipe (308), a tension spring (315) is fixedly connected between the mounting circular plate (313) and the fixing ring (314), the tension spring (315) is sleeved on the outside of the exhaust pipe (308), and the limiting plate (311) is slidably connected to the inside of the exhaust pipe (308).

4. A floating oil seal sealing detection device according to claim 1, characterized in that: The pressure stabilizing mechanism (4) comprises a pressure stabilizing box (401), the bottom of the pressure stabilizing box (401) is fixedly connected to the top of the detection platform (1), the outside of the pressure stabilizing box (401) is fixedly connected to a mounting pipe seat (402), the inner wall of the mounting pipe seat (402) is provided with a plurality of limiting sliding grooves (403), the inside of the mounting pipe seat (402) is slidably connected to a sliding plate (404), the outer edge of the sliding plate (404) is provided with a plurality of holes (405), the outside of the sliding plate (404) is fixedly connected to a plurality of limiting sliding blocks (406), the limiting sliding blocks (406) are slidably connected to the inside of the limiting sliding grooves (403), the inside of the mounting pipe seat (402) is provided with a pressure spring (407), and the top of the pressure stabilizing box (401) is fixedly connected to a barometer (6).

5. A floating oil seal sealing detection device according to claim 2, characterized in that: The environmental simulation mechanism (5) comprises a mounting cover (501), the inner side of which is slidably connected to the outside of the friction sleeve (208), a plurality of communication holes (502) are provided inside the mounting cover (501), a communication groove (503) is provided inside the mounting cover (501) on a side away from the voltage stabilizing box (401), a receiving cylinder (504) is fixedly connected to the outside of the mounting cover (501), a ventilation valve (505) is fixedly connected to the top of the receiving cylinder (504), a ventilation hose (506) is fixedly connected to the top of the ventilation valve (505), an end of the ventilation hose (506) away from the receiving cylinder (504) is fixedly connected to an automatic valve (507), the bottom of the automatic valve (507) is fixedly connected to the top of the voltage stabilizing box (401), and a heating wire is provided inside the mounting cover (501). (508), the outside of the accommodating cylinder (504) is fixedly connected with a receiving groove (509), the outside of the mounting cover (501) is fixedly connected with two ears (510), the inside of the ears (510) is provided with a hole (511), the outside of the friction sleeve (208) is fixedly connected with a mounting cover (512), the inner part of the outer periphery of the mounting cover (512) is provided with two slots (513), the outside of the mounting cover (512) is fixedly connected with two frames (514), one of the frames (514) is fixedly connected with a fixing cylinder (515) on the side away from the sliding seat (202), the inside of the fixing cylinder (515) is slidably connected with a limiting sliding disk (516), the middle part of the limiting sliding disk (516) is fixedly connected with an insertion rod (517), and the outside of the insertion rod (517) is provided with a return spring (518).

6. A floating oil seal sealing detection device according to claim 4, characterized in that: The side of the pressure stabilizing box (401) close to the sliding seat (202) is fixedly connected to the side of the friction sleeve (208) away from the sliding seat (202), and the side of the mounting pipe seat (402) away from the pressure stabilizing box (401) is fixedly connected to the side of the ventilation pipe (307) away from the second one-way valve (305).

7. A floating oil seal sealing detection device according to claim 4, characterized in that: One end of the pressure spring (407) is fixedly connected to the interior of the limiting sliding groove (403), and the other end of the pressure spring (407) is fixedly connected to a side of the sliding plate (404) close to the pressure stabilizing box (401).

8. A floating oil seal sealing detection device according to claim 5, characterized in that: One end of the return spring (518) is fixedly connected to the outside of the fixed cylinder (515), and the other end of the return spring (518) is fixedly connected to an end of the limiting sliding plate (516) away from the clamping frame (514).

9. A floating oil seal sealing detection device according to claim 5, characterized in that: One end of the insertion rod (517) away from the clamping frame (514) is fixedly connected to a pull ring (519), and the interior of the bottom end of the receiving cylinder (504) is connected to the interior of the connecting groove (503).

10. A floating oil seal sealing detection device according to claim 5, characterized in that: The outside of the locking ear (510) is engaged with the inside of the locking frame (514), and the insertion rod (517) is engaged with the inside of the locking hole (511).

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