Air leakage repairing equipment for exhaust port of ship engine

Abstract

The invention discloses ship engine exhaust port air leakage repairing equipment, and relates to the technical field of mechanical engineering, the ship engine exhaust port air leakage repairing equipment comprises a box body, the surface of the box body is fixedly connected with a main shaft, and the main shaft is internally provided with a protection mechanism for protecting a repairing material discharging port; and a discharging mechanism facilitating discharging of a repairing material is arranged in the main shaft, an air injection mechanism for cooling the grinding position of the exhaust port is arranged in the box body, and a protection mechanism and the air injection mechanism are used in cooperation, so that when the air leakage position of the surface of the exhaust port is repaired and needs to be ground, the air leakage position of the surface of the exhaust port is ground; and gas in the gas storage tank enters the gas outlet groove through the gas outlet piston through a one-way valve with an outward opening in the gas outlet groove and is discharged from the surface of the box body, so that impurities generated in the grinding process are blown away, and the grinding position of the exhaust port is cooled.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical engineering, and in particular to a device for repairing air leakage at an exhaust port of a ship engine. Background Art

[0002] The exhaust port is the channel for exhaust gases generated during the engine combustion process to be discharged into the atmosphere. These exhaust gases include carbon dioxide, carbon monoxide, nitrogen oxides, hydrocarbons, etc. The exhaust port helps to discharge the burned gas, thereby reducing the pressure in the combustion chamber and preventing the risk of explosion. The exhaust gas will take away some heat, which helps to cool the combustion chamber and other high-temperature components of the engine. After a long period of operation, the internal exhaust port of the ship will be corroded by seawater, salt spray and other chemicals, which will weaken its structure and cause leakage. In order to ensure the safety of the ship's engine, a ship engine exhaust port leakage repair device is developed to achieve the purpose of rapid repair of the engine exhaust port.

[0003] There are still many inconveniences in the use of current equipment. During the long-term use of ship engines, the exhaust port will be affected by factors such as high temperature, high pressure, and corrosion, resulting in wear of the exhaust port. In order to ensure the quality of the repair, the leaking part of the exhaust port needs to be polished. When the polishing device is polishing the exhaust port, a large amount of heat will be generated. If it is not cooled in time, the exhaust port will be deformed or damaged. When the repair material is used to repair the exhaust port, the high temperature will destroy the structure of the adhesive and reduce its bonding performance, making the repaired connection not strong enough.

[0004] Therefore, the present invention proposes a ship engine exhaust port leakage repair device to make up for and improve the deficiencies of the prior art. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a device for repairing air leakage at an exhaust port of a ship engine, which solves the problem of excessively high surface temperature during the polishing process of the exhaust port of the engine proposed in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a ship engine exhaust leakage repair device, including a box body, a main shaft is fixedly connected to the surface of the box body, a protection mechanism for protecting the repair material discharge port is arranged inside the main shaft, a unloading mechanism for facilitating the unloading of the repair material is arranged inside the main shaft, a jet mechanism for cooling the exhaust port grinding position is arranged inside the box body, the protection mechanism includes a grinding head for grinding the exhaust port surface, the unloading mechanism includes a unloading push shaft for pushing the repair material inside the box body, and the jet mechanism includes an outlet piston for jetting to cool the exhaust port grinding position.

[0007] Preferably, the protection mechanism includes a sliding shaft frame, the sliding shaft frame is slidably connected to the surface of the main shaft, the grinding head is rotatably connected to the surface of the sliding shaft frame, the main shaft is internally rotatably connected to a No. 1 gear and a No. 2 gear, the No. 2 gear is meshed with the No. 1 gear, the lower surface of the No. 2 gear is fixedly connected to a No. 3 gear, the main shaft is internally slidably connected to a limited gear rod, the main shaft is internally fixedly connected to a No. 1 spring, the No. 1 spring is fixedly connected to the limiting gear rod, one end surface of the limiting gear rod is fixedly connected to two fixed side blocks, the surfaces of the two fixed side blocks are fixedly connected to a fixed sliding shaft, the surface of the fixed sliding shaft is slidably connected to a movable sliding block, the fixed side block and the movable sliding block are fixedly connected to a No. 2 spring, the surface of the limiting gear rod is fixedly connected to a connecting pull shaft, the connecting pull shaft is slidably connected to the inside of the main shaft, the connecting pull shaft is fixedly connected to the inner wall of the sliding shaft frame, the surface of the No. 1 gear is fixedly connected to a connecting middle shaft, and one end of the connecting middle shaft is fixedly connected to the inner wall of the grinding head.

[0008] Preferably, the transmission ratio between the first gear and the second gear is 1:3.

[0009] Preferably, the spacing between the connecting pull shaft and the limiting gear rod is equal to the spacing between adjacent tooth blocks on the surface of the limiting gear rod.

[0010] Preferably, the unloading mechanism includes a storage hopper, the storage hopper is fixedly connected to the surface of the main shaft, the main shaft is provided with a unloading trough, the unloading push shaft is slidably connected to the inside of the unloading trough, the inner wall of the main shaft unloading trough is fixedly connected with a No. 3 spring, the No. 3 spring is fixedly connected to the unloading push shaft, one end surface of the unloading push shaft is fixedly connected with a power cross bar and a vertical cross bar, the surface of the sliding shaft frame is fixedly connected with a power push shaft, the interior of the box is slidably connected with an opening and closing cross plate, the lower surface of the opening and closing cross plate is fixedly connected with a connecting cross bar, the interior of the storage hopper is rotatably connected with an adjusting gear, the surface of the adjusting gear is provided with an adjusting groove, The storage hopper is slidably connected internally with a sealing plate, the upper surface of the sealing plate is fixedly connected with a connecting shaft, the connecting shaft is slidably connected to the inside of the adjusting groove, the surface of the opening and closing horizontal plate is fixedly connected with a tooth block, the tooth block on the surface of the opening and closing horizontal plate is meshed with the adjusting gear, the interior of the box body is fixedly connected with a No. 4 spring, the No. 4 spring is fixedly connected to the opening and closing horizontal plate, the main shaft is slidably connected internally with a pulling rod, one end surface of the pulling rod is provided with a connecting groove, the connecting groove of the pulling rod is equal to the inner diameter of the main shaft unloading chute, the interior of the box body is fixedly connected with a No. 5 spring, the No. 5 spring is fixedly connected to the pulling rod.

[0011] Preferably, the adjusting gear adjusting groove is opened from inside to outside on the surface of the adjusting gear, a discharge groove is opened inside the storage hopper, and the sliding distance of the sealing plate is greater than the radius of the discharge groove inside the storage hopper.

[0012] Preferably, the sliding distance of the pull lever is equal to the distance between the connecting groove and the discharge groove.

[0013] Preferably, the jet mechanism includes a long push shaft, the lower surface of the No. 3 gear is fixedly connected with an adjusting card shaft, the main shaft is slidably connected with an adjusting slide plate inside, the surface of the adjusting slide plate is provided with an adjusting card slot, the adjusting card shaft is slidably connected to the inside of the adjusting card slot, the surface of the adjusting slide plate is fixedly connected with two internal slide plates, one end surface of the internal slide plate is fixedly connected with a connecting push rod, the connecting push rod is L-shaped, the long push shaft is slidably connected to the inside of the box body, one end surface of the long push shaft is fixedly connected with a power push block, an air storage groove is provided inside the box body, the air outlet piston is slidably connected to the inside of the air storage groove of the box body, a positioning block is slidably connected to one end of the air outlet piston, a No. 6 spring is fixedly connected to one end of the positioning block, the No. 6 spring is fixedly connected to the positioning block, a No. 7 spring is fixedly connected to the inside of the box body, the No. 7 spring is fixedly connected to the air outlet piston, a recovery block is fixedly connected to the inside of the box body, an air outlet groove is provided inside the box body, and the air outlet groove is communicated with the air storage groove inside the box body.

[0014] Preferably, the surfaces of the positioning block and the restoration block are both provided with inclined surfaces, the positioning block and the restoration block inclined surfaces fit together, the thickness of the restoration block and the positioning block are both half of the thickness of the positioning block, and the restoration block and the positioning block are not located in the same horizontal plane.

[0015] The ship engine exhaust port air leakage repair device provided by the present invention has the following beneficial effects: 1. Through the coordinated use of the main shaft and the protection mechanism, when the exhaust port surface leakage position needs to be polished to repair the exhaust port surface leakage position, the sliding shaft frame is used to protect the discharge position of the feed chute to avoid the high temperature and high-speed abrasive particles generated during the polishing process from damaging the protective components of the discharge position of the feed chute, such as the sealing device, the discharge valve, etc., and to avoid the dust and particulate matter generated during the polishing process. These substances will enter the repair material and contaminate it, thereby affecting the repair effect of the exhaust port leakage position.

[0016] 2. Through the coordinated use of the protection mechanism and the unloading mechanism, when the sliding shaft frame slides to the right to protect the discharge position of the unloading chute, the pull lever is pushed to slide to the right, and the connecting groove on the surface of the pull lever is connected with the main shaft unloading chute. The repair material inside the main shaft unloading chute is discharged under the thrust of the unloading push shaft given by the No. 3 spring, thereby avoiding the repair material from becoming sticky and being unable to unload smoothly, and the unloading amount of the device is controlled by the No. 4 spring.

[0017] 3. Through the coordinated use of the protection mechanism and the jet mechanism, when the leaking position on the exhaust port surface needs to be repaired and polished, the gas inside the air storage tank is passed through the one-way valve that opens outward from the inside of the air outlet tank through the air outlet piston to enter the inside of the air outlet tank and be discharged from the surface of the box, thereby blowing away the impurities generated during the polishing process and cooling the polishing position of the exhaust port. Blowing air while polishing can help the polishing area cool down quickly, especially after high-temperature polishing, which helps prevent the material from deforming due to thermal expansion. Blowing air can also make it easier for the operator to check the polished surface to ensure uniform polishing and no missed polishing areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the overall structure of the protection mechanism of the present invention; Figure 4 For the present invention Figure 3 A partial enlarged view of middle A; Figure 5 For the present invention Figure 3 A partial enlarged view of B in the middle; Figure 6 It is a schematic diagram of the overall structure of the blanking mechanism of the present invention; Figure 7 For the present invention Figure 6 A partial enlarged view of middle C; Figure 8 It is a schematic diagram of the overall structure of the jet mechanism of the present invention; Fig. 9 For the present invention Figure 8 A partial enlarged view of D in the middle; Fig.10 It is a schematic diagram of the internal structure of the jet mechanism of the present invention; Fig.11 For the present invention Fig.10 A partial enlarged view of E.

[0019] The numbers in the figure represent: 1. Box; 2. Spindle; 3. Protection mechanism; 311. Sliding shaft frame; 312. Grinding head; 313. Gear No. 1; 314. Gear No. 2; 315. Gear No. 3; 316. Spring No. 1; 317. Limiting gear rod; 318. Fixed side block; 319. Fixed sliding shaft; 3110. Spring No. 2; 3111. Movable slider; 3112. Connecting pull shaft; 3113. Connecting middle shaft; 4. Unloading mechanism; 411. Storage hopper; 412. Opening and closing horizontal plate; 413. Power push shaft; 414. Unloading push shaft; 415. Power cross bar; 416. No. 3 Spring; 417, vertical cross bar; 418, connecting cross bar; 419, adjusting gear; 4110, No. 4 spring; 4111, pulling lever; 4112, No. 5 spring; 4113, connecting card shaft; 4114, sealing plate; 5, jet mechanism; 511, long push shaft; 512, connecting push rod; 513, adjusting slide plate; 514, adjusting card slot; 515, internal slide plate; 516, adjusting card shaft; 517, air outlet groove; 518, air outlet piston; 519, No. 6 spring; 5110, card block; 5111, power push block; 5112, No. 7 spring; 5113, recovery card block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0021] refer to Figures 1 to 11 A ship engine exhaust port leakage repair device according to a preferred embodiment of the present invention will be described in detail below. A ship engine exhaust port leakage repair device includes a box body 1, a main shaft 2 is fixedly connected to the surface of the box body 1, a protection mechanism 3 for protecting the discharge port of the repair material is arranged inside the main shaft 2, a unloading mechanism 4 for facilitating the unloading of the repair material is arranged inside the main shaft 2, a jet mechanism 5 for cooling the grinding position of the exhaust port is arranged inside the box body 1, the protection mechanism 3 includes a grinding head 312 for grinding the surface of the exhaust port, the unloading mechanism 4 includes a unloading push shaft 414 for pushing the repair material inside the box body 1, and the jet mechanism 5 includes an outlet piston 518 for jetting to cool the grinding position of the exhaust port.

[0022] like Figure 3 In the embodiment, the protection mechanism 3 includes a sliding shaft frame 311, the sliding shaft frame 311 is slidably connected to the surface of the main shaft 2, and the grinding head 312 is rotatably connected to the surface of the sliding shaft frame 311. Figure 4In the embodiment, the main shaft 2 is internally connected to the first gear 313 and the second gear 314, the surface of the first gear 313 is fixedly connected to the connecting middle shaft 3113, one end of the connecting middle shaft 3113 is fixedly connected to the inner wall of the grinding head 312, the second gear 314 is meshed with the first gear 313, the lower surface of the second gear 314 is fixedly connected to the third gear 315, the internal sliding connection of the main shaft 2 is connected to the limited position gear rod 317, the surface of the limited position gear rod 317 is fixedly connected to the connecting pull shaft 3112, as shown in FIG. Figure 5 In the embodiment, the connecting pull shaft 3112 is slidably connected to the inside of the main shaft 2, and the connecting pull shaft 3112 is fixedly connected to the inner wall of the sliding shaft frame 311. When the leaking position on the surface of the exhaust port needs to be repaired and polished, a motor is arranged inside the main shaft 2, and the No. 1 gear 313 is fixedly connected to the motor output shaft. The No. 1 gear 313 rotates under the drive of the motor output shaft, thereby driving the No. 1 spring 316 to rotate clockwise through the No. 2 gear 314, thereby pushing the limiting gear rod 317 to slide to the left, thereby driving the sliding shaft frame 311 to slide to the left through the connecting pull shaft 3112, and driving the polishing head 312 to slide to the left, thereby protecting the material discharge chute originally exposed to the outside world, such as Figure 4 In the embodiment, the interior of the main shaft 2 is fixedly connected with a No. 1 spring 316, which is fixedly connected to a limiting gear rod 317, and one end surface of the limiting gear rod 317 is fixedly connected with two fixed side blocks 318, and the surfaces of the two fixed side blocks 318 are fixedly connected with a fixed sliding shaft 319, and the surface of the fixed sliding shaft 319 is slidably connected with a movable sliding block 3111, and a No. 2 spring 3110 is fixedly connected between the fixed side block 318 and the movable sliding block 3111. At the same time, the No. 1 spring 316 is compressed under the push of the limiting gear rod 317, and when the limiting gear rod 317 slides to the left No. 3 gear 315 and contacts the movable sliding block 3111, the movable sliding block 3111 moves along the surface of the fixed sliding shaft 319 under the push of the No. 3 gear 315. When sliding to the left, the No. 2 spring 3110 is compressed under the push of the movable slider 3111. When the movable slider 3111 is disengaged from the surface tooth block of the No. 3 gear 315 under the push of the No. 3 gear 315, the movable slider 3111 slides to the right under the push of the No. 2 spring 3110 and returns to the sliding path of the No. 3 gear 315, thereby pushing the movable slider 3111 to slide to the left again, and then the No. 2 spring 3110 gives the limiting gear rod 317 a leftward thrust, thereby limiting the position of the grinding head 312, and the discharging position of the feeding chute is protected by the sliding shaft frame 311 to prevent the high temperature and high-speed abrasive particles generated during the grinding process from damaging the protective elements at the discharging position of the feeding chute, such as the sealing device and the discharging valve.

[0023] like Figure 6In the embodiment, the material discharge mechanism 4 includes a storage hopper 411, which is fixedly connected to the surface of the main shaft 2, a material discharge trough is provided inside the main shaft 2, a material discharge push shaft 414 is slidably connected to the inside of the material discharge trough, a No. 3 spring 416 is fixedly connected to the inner wall of the material discharge trough of the main shaft 2, the No. 3 spring 416 is fixedly connected to the material discharge push shaft 414, one end surface of the material discharge push shaft 414 is fixedly connected to a power cross bar 415 and a vertical cross bar 417, the surface of the sliding shaft frame 311 is fixedly connected to a power push shaft 413, when the sliding shaft frame 311 slides to the right to protect the material discharge position of the material discharge trough, the power push shaft 413 slides to the right under the push of the sliding shaft frame 311, and then the material discharge push shaft 414 is pushed to the right by giving the power cross bar 415 a rightward thrust, at this time, the No. 3 spring 416 is compressed under the drive of the material discharge push shaft 414, as shown in FIG. Figure 6 In the embodiment, the interior of the box body 1 is slidably connected with an opening and closing horizontal plate 412, and the lower surface of the opening and closing horizontal plate 412 is fixedly connected with a connecting cross bar 418. Figure 7 In the embodiment, the internal rotation of the storage hopper 411 is connected with an adjusting gear 419, and an adjusting groove is provided on the surface of the adjusting gear 419. The internal sliding connection of the storage hopper 411 is connected with a sealing plate 4114, and a connecting card shaft 4113 is fixedly connected to the upper surface of the sealing plate 4114. The connecting card shaft 4113 is slidably connected to the inside of the adjusting groove. A tooth block is fixedly connected to the surface of the opening and closing horizontal plate 412, and the tooth block on the surface of the opening and closing horizontal plate 412 is meshed with the adjusting gear 419. When the material is unloaded, one end of the push shaft 414 slides to the storage hopper 411 to unload the material. When the opening is on the right side, the vertical cross bar 417 on the surface of the material discharge push shaft 414 contacts the connecting cross bar 418, thereby pushing the opening and closing cross plate 412 to slide to the right, and then driving the adjusting gear 419 to rotate through the surface gear block, and giving the connecting card shaft 4113 an outward thrust through the adjusting groove 514 on the surface of the adjusting gear 419, thereby pushing the sealing plate 4114 to slide outward, so that the storage hopper 411 that was originally in a sealed state becomes an open state, so that the repair material inside the storage hopper 411 enters the inside of the material discharge chute, as shown in FIG. Figure 6In the embodiment, a No. 4 spring 4110 is fixedly connected to the interior of the box body 1, and the No. 4 spring 4110 is fixedly connected to the opening and closing horizontal plate 412. A pulling lever 4111 is slidably connected to the interior of the main shaft 2. A connecting groove is provided on one end surface of the pulling lever 4111. The connecting groove of the pulling lever 4111 is equal to the inner diameter of the feed chute of the main shaft 2. A No. 5 spring 4112 is fixedly connected to the interior of the box body 1, and the No. 5 spring 4112 is fixedly connected to the pulling lever 4111. When the grinding head 312 completes grinding, the discharge position of the feed chute of the main shaft 2 is exposed to the outside again, and the feed push shaft 414 loses its The power push shaft 413 is pushed to the left by the thrust given by the power cross bar 415, and then slides to the left under the push of the No. 3 spring 416. At this time, the main shaft 2 feed chute is in a state where it cannot feed materials due to the restriction of the pulling lever 4111. By pushing the pulling lever 4111 to slide to the right, the connecting groove on the surface of the pulling lever 4111 is connected with the main shaft 2 feed chute, and the repair material inside the main shaft 2 feed chute is discharged under the thrust given by the No. 3 spring 416 to the feed push shaft 414, thereby avoiding the repair material from becoming sticky and being unable to feed smoothly, and the feeding amount of the device is controlled by the No. 4 spring 4110.

[0024] like Figure 8 In the embodiment, the jet mechanism 5 includes a long push shaft 511, an adjusting clamping shaft 516 is fixedly connected to the lower surface of the third gear 315, and an adjusting slide plate 513 is slidably connected to the inside of the main shaft 2. Fig. 9 In the embodiment, an adjusting slot 514 is provided on the surface of the adjusting slide plate 513, and an adjusting shaft 516 is slidably connected to the inside of the adjusting slot 514. Two internal slide plates 515 are fixedly connected to the surface of the adjusting slide plate 513, and a connecting push rod 512 is fixedly connected to the surface of one end of the internal slide plate 515. The connecting push rod 512 is L-shaped, and the long push shaft 511 is slidably connected to the inside of the box body 1. When the air leakage position on the surface of the exhaust port is repaired and the air leakage position on the surface of the exhaust port needs to be polished, the third gear 315 rotates, thereby giving a leftward thrust to the inner wall of the adjusting slot 514 through the adjusting shaft 516, thereby pushing the adjusting slide plate 513 to slide to the left. As the third gear 315 continues to rotate, the adjusting shaft 516 slides to the arc position of the adjusting slot 514. At this time, the adjusting slide plate 513 is in a stopped state, and the third gear 315 rotates and realizes intermittent reciprocating sliding of the adjusting slide plate 513 through the surface adjusting shaft 516, such as Fig.11In the embodiment, a power push block 5111 is fixedly connected to the surface of one end of the long push shaft 511, an air storage tank is opened inside the box body 1, and an air outlet piston 518 is slidably connected to the inside of the air storage tank of the box body 1, and a positioning block 5110 is slidably connected to one end of the air outlet piston 518, and a No. 6 spring 519 is fixedly connected to one end of the positioning block 5110, and the No. 6 spring 519 is fixedly connected to the positioning block 5110, and the No. 7 spring 5112 is fixedly connected to the inside of the box body 1, and the No. 7 spring 5112 is fixedly connected to the air outlet piston 518, and a recovery block 5113 is fixedly connected to the inside of the box body 1, such as Fig.10 1 and 1. The air outlet groove 517 is provided inside the casing 1, and the air outlet groove 517 is connected with the air storage tank inside the casing 1. The surfaces of the positioning block 5110 and the recovery block 5113 are both provided with inclined surfaces, and the positioning block 5110 fits with the inclined surfaces of the recovery block 5113. The thickness of the recovery block 5113 and the positioning block 5110 is half of the thickness of the positioning block 5110. The recovery block 5113 and the positioning block 5110 are not located in the same horizontal plane. The air outlet piston 518 slides to the left under the drive of the power push block 5111 on the surface of the long push shaft 511, thereby giving the air outlet piston 518 a leftward force. When the air outlet piston 518 slides to the left, the No. 7 spring 5112 is compressed under the push of the air outlet piston 518, and then the external gas is sucked into the air storage tank of the casing 1 through the one-way valve opening inward on the surface of the casing 1. As the air outlet piston 518 moves in the power push block 5111 When the locking block 5110 is pushed to the left and continues to slide under the push of the power push block 5111, the locking block 5110 contacts the inclined surface of the recovery block 5113, and the locking block 5110 slides toward the inside of the air outlet piston 518 under the push of the inclined surface of the recovery block 5113. When the locking block 5110 is completely retracted to the inside of the air outlet piston 518, the air outlet piston 518 loses the thrust of the power push block 5111 on the locking block 5110, and slides to the right under the rebound action of the No. 7 spring 5112, so that the gas inside the air storage tank enters the inside of the air outlet groove 517 through the one-way valve opening outward inside the air outlet groove 517 through the air outlet piston 518 and is discharged from the surface of the box body 1, thereby blowing away impurities generated during the grinding process and cooling the grinding position of the exhaust port. Blowing air while grinding can help the grinding area to cool down quickly, especially after high-temperature grinding, which helps to prevent the material from deforming due to thermal expansion.

[0025] The following is the entire working process and working principle of the above-mentioned embodiment: when the leaking position on the surface of the exhaust port needs to be repaired and the leaking position on the surface of the exhaust port needs to be polished, a motor is arranged inside the main shaft 2, and the No. 1 gear 313 is fixedly connected to the motor output shaft. The No. 1 gear 313 rotates under the drive of the motor output shaft, thereby driving the No. 1 spring 316 to rotate clockwise through the No. 2 gear 314, thereby pushing the limiting gear rod 317 to slide left, thereby driving the sliding shaft frame 311 to slide left through the connecting pull shaft 3112, and driving the polishing head 312 to slide left, thereby protecting the feed chute originally exposed to the outside world. At the same time, the No. 1 spring 316 is compressed under the push of the limiting gear rod 317, and when the limiting gear rod 317 slides to the left No. 3 gear 315 and contacts the movable slider 3111, the movable slider 3111 is pushed by the No. 3 gear 315 along the fixed sliding shaft 319 The surface slides to the left, and the No. 2 spring 3110 is compressed under the push of the movable slider 3111. When the movable slider 3111 is disengaged from the surface tooth block of the No. 3 gear 315 under the push of the No. 3 gear 315, the movable slider 3111 slides to the right under the push of the No. 2 spring 3110, and returns to the sliding path of the No. 3 gear 315, thereby pushing the movable slider 3111 to slide to the left again, and then the No. 2 spring 3110 gives the limiting gear rod 317 a leftward thrust, thereby limiting the position of the grinding head 312, and the sliding shaft frame 311 is used to protect the discharge position of the discharge chute to prevent the high temperature and high-speed abrasive particles generated during the grinding process from damaging the protective elements of the discharge position of the discharge chute, such as the sealing device, the discharge valve, etc., and to prevent the dust and particulate matter generated during the grinding process. These substances will enter the repair material and contaminate it, thereby affecting the repair effect of the exhaust port leakage position.

[0026] Furthermore, through the coordinated use of the protection mechanism 3 and the discharge mechanism 4, when the sliding shaft frame 311 slides to the right to protect the discharge position of the discharge chute, the power push shaft 413 slides to the right under the push of the sliding shaft frame 311, and then gives the power cross bar 415 a rightward thrust to push the discharge push shaft 414 to slide to the right. At this time, the No. 3 spring 416 is compressed under the drive of the discharge push shaft 414. When one end of the discharge push shaft 414 slides to the right side of the discharge port of the storage hopper 411, the vertical cross bar 417 on the surface of the discharge push shaft 414 contacts the connecting cross bar 418, thereby pushing the opening and closing cross plate 412 to slide to the right, and then drives the adjusting gear 419 to rotate through the surface tooth block, and gives the connecting card shaft 4113 an outward thrust through the adjusting slot 514 on the surface of the adjusting gear 419, thereby pushing the sealing plate 4114 to slide outward. Thereby, the storage hopper 411, which was originally in a sealed state, becomes an open state, so that the repair material inside the storage hopper 411 enters the inside of the feed chute. When the grinding head 312 completes grinding and the discharge position of the feed chute of the main shaft 2 is exposed to the outside again, the feed push shaft 414 loses the thrust given by the power push shaft 413 through the power cross bar 415, and then slides to the left under the push of the No. 3 spring 416. At this time, the feed chute of the main shaft 2 is in a state where it cannot discharge materials due to the restriction of the pulling lever 4111. By pushing the pulling lever 4111 to slide to the right, the connecting groove on the surface of the pulling lever 4111 is connected with the feed chute of the main shaft 2, and the repair material inside the feed chute of the main shaft 2 is discharged under the thrust of the No. 3 spring 416 given to the feed push shaft 414, thereby avoiding the repair material from becoming sticky and being unable to discharge materials smoothly, and the discharge amount of the device is controlled by the No. 4 spring 4110.

[0027] Furthermore, when the leaking position on the surface of the exhaust port needs to be repaired and polished, the third gear 315 rotates, thereby giving a leftward thrust to the inner wall of the adjusting slot 514 through the adjusting card shaft 516, thereby pushing the adjusting slide plate 513 to slide to the left. As the third gear 315 continues to rotate, the adjusting card shaft 516 slides to the arc position of the adjusting slot 514. At this time, the adjusting slide plate 513 is in a stopped state, and the third gear 315 rotates and adjusts the surface The clamping shaft 516 realizes the intermittent reciprocating sliding of the regulating slide plate 513, and the outlet piston 518 slides to the left under the drive of the power push block 5111 on the surface of the long push shaft 511, thereby giving the outlet piston 518 a leftward force. When the outlet piston 518 slides to the left, the No. 7 spring 5112 is compressed under the push of the outlet piston 518, and then the external gas is sucked into the air storage tank of the box body 1 through the one-way valve opening inward on the surface of the box body 1. As the outlet piston 518 moves on the power push block 511 1, the positioning block 5110 contacts the inclined surface of the recovery block 5113 under the push of the power push block 5111, and the positioning block 5110 slides into the inside of the air outlet piston 518 under the push of the inclined surface of the recovery block 5113. When the positioning block 5110 is completely retracted into the inside of the air outlet piston 518, the air outlet piston 518 loses the thrust of the power push block 5111 on the positioning block 5110, and slides to the right under the rebound action of the No. 7 spring 5112, thereby passing through the air outlet piston 518 allows the gas inside the gas storage tank to enter the inside of the gas outlet groove 517 through the one-way valve that opens outward from the inside of the gas outlet groove 517 and be discharged from the surface of the box body 1, thereby blowing away the impurities generated during the grinding process and cooling the grinding position of the exhaust port. Blowing air while grinding can help the grinding area to cool down quickly, especially after high-temperature grinding, which helps prevent the material from deforming due to thermal expansion. Blowing air can also make it easier for the operator to check the polished surface to ensure uniform grinding and no missed grinding areas.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ship engine exhaust port air leakage repair device, comprising a housing (1), a main shaft (2) being fixedly connected to the surface of the housing (1), characterized in that: A protection mechanism (3) for protecting a repair material discharge port is arranged inside the spindle (2), a material discharge mechanism (4) for facilitating the discharge of repair material is arranged inside the spindle (2), an air jet mechanism (5) for cooling a polishing position of an exhaust port is arranged inside the box body (1), the protection mechanism (3) comprises a polishing head (312) for polishing a surface of the exhaust port, the material discharge mechanism (4) comprises a material discharge push shaft (414) for pushing the repair material inside the box body (1), and the air jet mechanism (5) comprises an air outlet piston (518) for cooling a polishing position of the exhaust port by jetting air.

2. A marine engine exhaust port leakage repair device according to claim 1, characterized in that: The protection mechanism (3) comprises a sliding shaft frame (311), the sliding shaft frame (311) is slidably connected to the surface of the main shaft (2), the grinding head (312) is rotatably connected to the surface of the sliding shaft frame (311), the main shaft (2) is internally rotatably connected to a first gear (313) and a second gear (314), the second gear (314) is meshed with the first gear (313), the lower surface of the second gear (314) is fixedly connected to a third gear (315), the main shaft (2) is internally slidably connected to a limit gear rod (317), the main shaft (2) is internally fixedly connected to a first spring (316), the first spring (316) is fixedly connected to the limit gear rod (317), one end surface of the limit gear rod (317) is fixedly connected to the first spring (316), Two fixed side blocks (318) are connected, and the surfaces of the two fixed side blocks (318) are fixedly connected to fixed sliding shafts (319), and the surfaces of the fixed sliding shafts (319) are slidably connected to a movable sliding block (3111), and a No. 2 spring (3110) is fixedly connected between the fixed side blocks (318) and the movable sliding block (3111), and the surface of the limiting gear rod (317) is fixedly connected to a connecting pull shaft (3112), and the connecting pull shaft (3112) is slidably connected to the inside of the main shaft (2), and the connecting pull shaft (3112) is fixedly connected to the inner wall of the sliding shaft frame (311), and the surface of the No. 1 gear (313) is fixedly connected to a connecting middle shaft (3113), and one end of the connecting middle shaft (3113) is fixedly connected to the inner wall of the grinding head (312).

3. A marine engine exhaust port leakage repair device according to claim 2, characterized in that: The transmission ratio between the first gear (313) and the second gear (314) is 1:

3.

4. A marine engine exhaust port leakage repair device according to claim 2, characterized in that: The spacing between the connecting pull shaft (3112) and the limiting toothed rod (317) is equal to the spacing between adjacent tooth blocks on the surface of the limiting toothed rod (317).

5. A marine engine exhaust port leakage repair device according to claim 2, characterized in that: The material discharge mechanism (4) comprises a material storage hopper (411), the material storage hopper (411) is fixedly connected to the surface of the main shaft (2), a material discharge trough is provided inside the main shaft (2), the material discharge push shaft (414) is slidably connected to the inside of the material discharge trough, a No. 3 spring (416) is fixedly connected to the inner wall of the material discharge trough of the main shaft (2), the No. 3 spring (416) is fixedly connected to the material discharge push shaft (414), and one end surface of the material discharge push shaft (414) is fixedly connected to the inner wall of the material discharge trough of the main shaft (2). A power cross bar (415) and a vertical cross bar (417) are connected; the surface of the sliding shaft frame (311) is fixedly connected to a power push shaft (413); the interior of the box body (1) is slidably connected to an opening and closing horizontal plate (412); the lower surface of the opening and closing horizontal plate (412) is fixedly connected to a connecting cross bar (418); the interior of the storage hopper (411) is rotatably connected to an adjusting gear (419); the surface of the adjusting gear (419) is provided with an adjusting groove; the interior of the storage hopper (411) is slidably connected to a sealing plate (4114); the upper surface of the sealing plate (4114) is fixedly connected to a connecting card shaft (4113); the connecting card shaft (4113) is slidably connected to the inside of the adjusting groove; the surface of the opening and closing horizontal plate (412) is fixedly connected to a tooth block; the tooth block on the surface of the opening and closing horizontal plate (412) is meshed with the adjusting gear (419); the interior of the box body (1) is fixedly connected to a No. 4 spring (4110); The spring (4110) is fixedly connected to the opening and closing horizontal plate (412); a pulling lever (4111) is slidably connected inside the main shaft (2); a connecting groove is provided on one end surface of the pulling lever (4111); the connecting groove of the pulling lever (4111) has the same inner diameter as the material discharge groove of the main shaft (2); a No. 5 spring (4112) is fixedly connected inside the box body (1); and the No. 5 spring (4112) is fixedly connected to the pulling lever (4111).

6. A marine engine exhaust port leakage repair device according to claim 5, characterized in that: The adjusting groove of the adjusting gear (419) is opened from the inside to the outside on the surface of the adjusting gear (419), a discharge groove is opened inside the storage hopper (411), and the sliding distance of the sealing plate (4114) is greater than the radius of the discharge groove inside the storage hopper (411).

7. The marine engine exhaust port leakage repair device according to claim 5, characterized in that: The sliding distance of the pulling lever (4111) is equal to the distance between the connecting groove and the discharge groove.

8. The marine engine exhaust port leakage repair device according to claim 5, characterized in that: The jet mechanism (5) comprises a long push shaft (511), the lower surface of the third gear (315) is fixedly connected to an adjustment clamping shaft (516), the interior of the main shaft (2) is slidably connected to an adjustment slide plate (513), the surface of the adjustment slide plate (513) is provided with an adjustment clamping groove (514), the adjustment clamping shaft (516) is slidably connected to the interior of the adjustment clamping groove (514), the surface of the adjustment slide plate (513) is fixedly connected to two internal slide plates (515), one end surface of the internal slide plate (515) is fixedly connected to a connecting push rod (512), the connecting push rod (512) is L-shaped, the long push shaft (511) is slidably connected to the interior of the box body (1), and one end surface of the long push shaft (511) is fixedly connected to a power push block (5111) ), the box body (1) is provided with an air storage tank inside, the air outlet piston (518) is slidably connected to the inside of the air storage tank of the box body (1), one end of the air outlet piston (518) is slidably connected to a positioning block (5110), one end of the positioning block (5110) is fixedly connected to a No. 6 spring (519), the No. 6 spring (519) and the positioning block (5110) are fixedly connected, the box body (1) is fixedly connected to a No. 7 spring (5112), the No. 7 spring (5112) and the air outlet piston (518) are fixedly connected, the box body (1) is fixedly connected to a recovery block (5113), the box body (1) is provided with an air outlet tank (517) inside, and the air outlet tank (517) is connected to the air storage tank inside the box body (1).

9. A marine engine exhaust port leakage repair device according to claim 8, characterized in that: The surfaces of the positioning block (5110) and the restoration positioning block (5113) are both provided with inclined surfaces, the positioning block (5110) and the restoration positioning block (5113) are in contact with each other, the thickness of the restoration positioning block (5113) and the positioning block (5110) are both half of the thickness of the positioning block (5110), and the restoration positioning block (5113) and the positioning block (5110) are not located on the same horizontal plane.

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