Lubricating oil cooling device for tank opening cleaning equipment in high-temperature environment

Abstract

The utility model discloses a lubricating oil cooling device for tank opening cleaning equipment in a high-temperature environment, which comprises a cutterhead and an upper lug seat, the cutterhead is rotatably connected to the bottom of the upper lug seat, an oil storage cavity is arranged in the center of the cutterhead and is cylindrical, a bottom plate is arranged at the bottom of the upper lug seat, and a cooling device is arranged on the bottom plate. The base plate is provided with an oil inlet hole and an oil outlet hole, the oil inlet hole is provided with an oil inlet pipe, the oil outlet hole is provided with an oil outlet pipe, the inner end of the oil inlet pipe and the inner end of the oil outlet pipe are both communicated with the oil storage cavity, the outer end of the oil inlet pipe and the outer end of the oil outlet pipe are connected with an external cooling device, and lubricating oil is arranged in the oil storage cavity; external cooled lubricating oil is sprayed into the oil storage cavity through the oil inlet pipe, then the lubricating oil in the oil storage cavity is pumped out through the circulating pump through the oil outlet pipe, the lubricating oil is cooled in the external cooling device in real time, and cooling of the cutter head is achieved by repeating the steps.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical equipment technical field, concretely relates to a kind of high-temperature environment under tank mouth cleaning equipment lubricating oil cooling device. BACKGROUND

[0002] Torpedo tank car plays an important role in the process of molten iron transportation in modern metallurgical industry. In actual working condition, the temperature of torpedo tank mouth is much lower than that in the tank. Under the action of molten iron pouring into torpedo tank, pouring and taking, and tank car driving, molten iron will slag at the tank mouth, which may cause the narrowing and blocking of the tank mouth, and affect the turnover efficiency of molten iron. By setting a tank mouth slag cleaning machine, the end rotating cutter head driven by a mechanical arm moves relatively in the tank mouth, and the rotating cutter head realizes the scraping and cleaning of residual slag in the tank mouth.

[0003] Although the temperature of torpedo tank mouth is lower than that in the tank, the actual temperature of torpedo tank mouth is still much higher than normal temperature, which causes the temperature of cutter head to rise sharply when entering the torpedo tank mouth from the outside in actual work, and seriously affects the service life.

[0004] In view of the above defects, the utility model creator finally obtains the utility model after long-term research and practice. UTILITY MODEL CONTENTS

[0005] To solve the above technical defects, the utility model adopts the technical scheme of providing a kind of high-temperature environment under tank mouth cleaning equipment lubricating oil cooling device, including cutter head and upper ear seat, the cutter head is rotationally connected at the bottom of the upper ear seat, the cutter head is provided with oil storage cavity in the center, the oil storage cavity is set as cylindrical type, the bottom plate is provided at the bottom of the upper ear seat, the oil inlet hole and the oil outlet hole are provided on the bottom plate, the oil inlet pipe is provided in the oil inlet hole, the oil outlet pipe is provided in the oil outlet hole, the inside end of the oil inlet pipe and the oil outlet pipe is communicated with the oil storage cavity, the outside end of the oil inlet pipe and the oil outlet pipe is connected with external cooling device, lubricating oil is provided in the oil storage cavity, the lubricating oil circulates in the oil inlet pipe, the oil storage cavity, the oil outlet pipe and the external cooling device by circulating pump.

[0006] Preferably, the oil inlet pipe is fixedly arranged in the oil inlet hole, and the inside end of the oil inlet pipe is flush with the bottom surface of the bottom plate; the oil outlet pipe is movably arranged in the oil outlet hole, and the inside end of the oil inlet pipe extends into the oil storage cavity.

[0007] Preferably, a transmission cavity is arranged between the bottom plate and the oil storage cavity, a rotary gear is arranged in the transmission cavity, the rotary gear is fixedly arranged on the cutter head, the oil storage tank is coaxially arranged with the rotary gear, a hydraulic motor is fixedly arranged on the upper surface of the bottom plate, a through hole is arranged on the bottom plate, the output shaft of the hydraulic motor is arranged in the transmission cavity through the through hole, a transmission gear is fixedly arranged on the output shaft of the hydraulic motor, and the transmission gear and the rotary gear are in meshing transmission in the transmission cavity.

[0008] Preferably, the rotary gear is arranged at the upper end of the oil storage cavity, and the upper end surface of the rotary gear coincides with the upper end surface of the oil storage cavity.

[0009] Preferably, a limiting ring is fixedly arranged in the oil storage cavity, the limiting ring is arranged in a circular ring structure in which an outer circular surface is sealingly connected with the inner wall of the oil storage cavity, and a bottom cover is detachably arranged at the bottom of the limiting ring to form an oil storage tank at the upper portion of the oil storage cavity.

[0010] Preferably, a plurality of threaded holes are arranged on the limiting ring in the circumferential direction, a plurality of connecting holes are annularly arranged on the bottom cover, the connecting holes and the threaded holes are connected one by one, and connecting bolts are threadedly connected through the connecting holes and the corresponding threaded holes.

[0011] Preferably, a sealing groove is arranged on the bottom cover, the sealing groove extends annularly, the sealing groove and the limiting ring are coaxially arranged, and a sealing ring is arranged in the sealing groove.

[0012] Preferably, the external cooling device is one or more of a natural air cooling machine, a forced air cooling machine and a vapor compression refrigeration cooling machine.

[0013] Compared with the prior art, the utility model has the beneficial effects that: 1. The utility model has lubricating and cooling functions. Lubricating oil that is cooled externally is sprayed into the oil storage cavity through the oil inlet pipe, and then the lubricating oil in the oil storage cavity is pumped out through the oil outlet pipe by the circulating pump, so that the lubricating oil is cooled in real time in the external cooling device, and the cooling of the cutter head is realized through the circulation. 2. When the lubricating oil is sprayed into the oil storage cavity through the oil inlet pipe and during the rotation of the cutter head, the oil splashes under the action of its own impact force and centrifugal force, forming small oil droplets and oil mist. The small oil droplets and oil mist can lubricate the transmission gear of the hydraulic motor and the rotary gear at the upper end of the oil storage cavity. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the lubricating oil cooling device of the tank opening cleaning equipment in a high-temperature environment.

[0015] Figure 2 It is a structural sectional view of the lubricating oil cooling device of the tank opening cleaning equipment in a high-temperature environment.

[0016] Figure 3 This is a three-dimensional structural view of the cutter head (with the bottom cover removed);

[0017] Figure 4 This is a three-dimensional structural view of the upper ear seat.

[0018] The numbers in the image represent:

[0019] 1-Cutter head; 2-Upper ear seat; 3-Bottom cover; 4-Oil inlet pipe; 5-Oil outlet pipe; 6-Rotating gear; 11-Oil reservoir; 12-Limit ring; 21-Hydraulic motor. Detailed Implementation

[0020] The above-mentioned and other technical features and advantages of this utility model will be described in more detail below with reference to the accompanying drawings.

[0021] Example 1

[0022] like Figures 1 to 4 As shown, Figure 1 This is a three-dimensional structural view of the lubricating oil cooling device of the tank opening cleaning equipment under high temperature conditions; Figure 2 This is a structural cross-sectional view of the lubricating oil cooling device of the tank opening cleaning equipment under high temperature conditions; Figure 3 This is a three-dimensional structural view of the cutter head (with the bottom cover removed); Figure 4 This is a three-dimensional structural view of the upper ear seat.

[0023] The lubricating oil cooling device for tank cleaning equipment under high temperature environment of this utility model includes a cutter disc 1 and an upper ear seat 2. The cutter disc 1 is rotatably connected to the bottom of the upper ear seat 2. An oil storage cavity is provided in the center of the cutter disc 1. The oil storage cavity is cylindrical. A base plate is provided at the bottom of the upper ear seat 2. An oil inlet hole and an oil outlet hole are provided on the base plate. An oil inlet pipe 4 is provided in the oil inlet hole, and an oil outlet pipe 5 is provided in the oil outlet hole. The inner ends of the oil inlet pipe 4 and the oil outlet pipe 5 are connected to the oil storage cavity. The outer ends of the oil inlet pipe 4 and the oil outlet pipe 5 are connected to an external cooling device. The lubricating oil is circulated repeatedly through the oil inlet pipe 4, the oil storage cavity, the oil outlet pipe 5, and the external cooling device by a circulating pump. The cooled lubricating oil is continuously added to the oil storage cavity to complete the cooling of the cutter disc 1.

[0024] Preferably, the oil inlet pipe 4 is fixedly disposed in the oil inlet hole, and the inner end of the oil inlet pipe 4 is flush with the bottom surface of the base plate; the oil outlet pipe 5 is movably disposed in the oil outlet hole, the inner end of the oil inlet pipe 5 extends into the oil storage cavity, and the length of the oil inlet pipe 5 extending into the oil storage cavity can be adjusted.

[0025] Lubricating oil is sprayed into the oil storage cavity through the oil inlet pipe 4, and when the liquid surface of the lubricating oil in the oil storage cavity submerges the inner end of the oil outlet pipe 5, the lubricating oil is pumped out, cooled by the external cooling device, and recycled into the oil storage cavity to complete the cooling of the cutter head 1.

[0026] During the actual operation of the slag remover, the amount of lubricating oil in the oil storage cavity can be adjusted in real time according to the length of the working time of the cutter head 1. When the cutter head 1 needs to run for a long time, the oil outlet pipe 5 in the oil outlet hole is moved upward, i.e. the length of the oil inlet pipe 5 extending into the oil storage cavity is reduced, the amount of cooled lubricating oil in the oil storage cavity is increased, and a better cooling effect is achieved; when the cutter head 1 only needs to run for a short time, the oil outlet pipe 5 in the oil outlet hole is moved downward, i.e. the length of the oil inlet pipe 5 extending into the oil storage cavity is increased, the amount of lubricating oil in the oil storage tank is reduced, and the operating energy consumption of the equipment is reduced.

[0027] Generally, a transmission cavity is provided between the bottom plate and the oil storage cavity, a rotary gear 6 is arranged in the transmission cavity, the rotary gear 6 is fixedly arranged on the cutter head 1, the oil storage tank 11 is coaxially arranged with the rotary gear 6, a hydraulic motor 21 is fixedly arranged on the upper surface of the bottom plate, a through hole is provided on the bottom plate, the output shaft of the hydraulic motor 21 passes through the through hole and is arranged in the transmission cavity, a transmission gear is fixedly arranged on the output shaft of the hydraulic motor 21, and the transmission gear and the rotary gear 6 are in meshing transmission in the transmission cavity. The rotary gear 6 is driven to rotate by the hydraulic motor 21, thereby realizing the relative rotation of the cutter head 1 and the upper ear seat 2.

[0028] Preferably, the rotary gear 6 is arranged at the upper end of the oil storage cavity, and the upper end surface of the rotary gear 6 coincides with the upper end surface of the oil storage cavity.

[0029] The oil storage cavity is located at the center of the cutter head 1, and the outer edge of the cutter head 1 is provided with a blade for cleaning the residue at the mouth of a torpedo tank. During actual operation of the equipment, the output power of the hydraulic motor 21 installed on the upper ear seat 2 is transmitted to the cutter head 1 through the rotary gear 6 at the upper part of the oil storage cavity, and the entire cutter head 1 is driven to rotate. At this time, the lubricating oil sprayed into the oil storage cavity through the oil inlet pipe 4 will form a vortex under the action of centrifugal force, thereby forming oil splashing and oil mist. The splashing oil forms a lubricating effect on the transmission gear and the rotary gear 6 of the hydraulic motor 2.

[0030] Example Two

[0031] The oil storage cavity is fixedly provided with a limiting ring 12, the limiting ring 12 is provided as a circular ring structure in sealing connection with the inner wall of the oil storage cavity, and the bottom of the limiting ring 12 is detachably provided with a bottom cover 3, so as to form an oil storage tank 11 at the upper part of the oil storage cavity, and the oil storage tank 11 can be opened by detaching the bottom cover 3, so as to realize quick replacement of the lubricating oil in the oil storage tank 11.

[0032] With the increase of the running time of the equipment, the lubricating oil in the oil storage tank 11 needs to be replaced regularly, at this time, only the bottom cover 3 needs to be detached, the lubricating oil in the oil storage tank 11 is completely discharged, and new lubricating oil is added again.

[0033] The limiting ring 12 is provided with a plurality of threaded holes in the circumferential direction, the bottom cover 3 is annularly provided with a plurality of connecting holes, the connecting holes and the threaded holes are connected one by one, and the detachable connection of the bottom cover 3 and the limiting ring 12 is realized through connecting bolts.

[0034] The bottom cover 3 is provided with two sealing grooves, the sealing grooves extend annularly, and the sealing grooves and the limiting ring 12 are coaxially arranged, a sealing ring is arranged in the sealing groove, the sealing property of the bottom cover 3 after installation of the limiting ring 12 is ensured, the leakage of lubricating oil is prevented, and the pollution of the environment is avoided.

[0035] The upper ear seat 2 is provided with two oil inlet holes and two oil outlet holes, the oil inlet pipe 4 is fixedly installed in the two oil inlet holes, and the oil outlet pipe 5 is movably installed in the two oil outlet holes, the oil inlet pipe 4 is inserted into the oil storage tank through the oil outlet hole of the upper ear seat 2, and the oil outlet pipe 5 can move up and down in the oil outlet hole of the upper ear seat.

[0036] Example three

[0037] The externally cooled lubricating oil is continuously sprayed into the oil storage tank 11 through the oil inlet pipe 4, the lubricating oil accumulates in the oil storage tank 11, when the oil liquid surface is higher than the lower end surface of the oil outlet pipe 5, the lubricating oil is extracted out through the oil outlet pipe 5 by the external circulating pump, the lubricating oil is cooled in real time through the external cooling device, and is sprayed into the oil storage tank 11 again, so as to realize the cooling of the cutter head 1 through the circulation.

[0038] The actual work of the cutter head is in a super-high temperature environment, the cooling medium used in the device is lubricating oil, when the device leaks lubricating oil in an extreme case, the spilled lubricating oil is directly ignited in the super-high temperature environment, and the possibility of explosion in such a high temperature environment when other cooling media is used is avoided.

[0039] It is worth pointing out that the external cooling device can adopt any one of natural air cooling, forced air cooling, vapor compression refrigeration and the like, and is not limited to a certain cooling mode, and in other embodiments, any two or more cooling modes can also be combined.

[0040] The above only describes the preferred embodiments of the present application, which are only illustrative but not restrictive. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the claims of the present application, but all will fall within the protection scope of the present application.

Claims

1. A lubricating oil cooling device for a tank opening cleaning apparatus in a high temperature environment, characterized by, The application relates to a cutting disc and an upper ear seat, wherein the cutting disc is rotationally connected at the bottom of the upper ear seat, a storage oil cavity is arranged in the center of the cutting disc, the storage oil cavity is in a cylindrical type, a bottom plate is arranged at the bottom of the upper ear seat, an oil inlet hole and an oil outlet hole are arranged on the bottom plate, an oil inlet pipe is arranged on the oil inlet hole, an oil outlet pipe is arranged on the oil outlet hole, the inner ends of the oil inlet pipe and the oil outlet pipe are communicated with the storage oil cavity, the outer ends of the oil inlet pipe and the oil outlet pipe are connected with external cooling devices, lubricating oil is arranged in the storage oil cavity, and the lubricating oil is circulated in the oil inlet pipe, the storage oil cavity, the oil outlet pipe and the external cooling devices through a circulating pump.

2. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 1, characterized by, The oil inlet pipe is fixedly arranged in the oil inlet hole, and the inner end of the oil inlet pipe is flush with the bottom surface of the bottom plate; the oil outlet pipe is movably arranged in the oil outlet hole, and the inner end of the oil inlet pipe extends into the storage oil cavity.

3. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 2, characterized in that, A transmission cavity is arranged between the bottom plate and the storage oil cavity, a rotary gear is arranged in the transmission cavity, the rotary gear is fixedly arranged on the cutting disc, the storage oil cavity is coaxially arranged with the rotary gear, a hydraulic motor is fixedly arranged on the upper surface of the bottom plate, a through hole is arranged on the bottom plate, the output shaft of the hydraulic motor is arranged in the transmission cavity through the through hole, a transmission gear is fixedly arranged on the output shaft of the hydraulic motor, and the transmission gear and the rotary gear are meshed and driven in the transmission cavity.

4. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 3, characterized by The rotary gear is arranged at the upper end of the storage oil cavity, and the upper end surface of the rotary gear coincides with the upper end surface of the storage oil cavity.

5. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 1, characterized in that, A limiting ring is fixedly arranged in the storage oil cavity, the limiting ring is in a circular ring structure of a sealing connection between an outer circular surface and the inner wall of the storage oil cavity, and a bottom cover is detachably arranged at the bottom of the limiting ring so as to form an oil storage tank at the upper portion of the storage oil cavity.

6. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 5, characterized by A plurality of threaded holes are arranged on the limiting ring in the circumferential direction, a plurality of connecting holes are annularly arranged on the bottom cover, the connecting holes and the threaded holes are one-to-one correspondingly connected, and connecting bolts are threadedly connected with the corresponding threaded holes through the connecting holes.

7. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 6, characterized by A sealing groove is arranged on the bottom cover, the sealing groove extends in an annular mode, the sealing groove and the limiting ring are coaxially arranged, and a sealing ring is arranged in the sealing groove.

8. The lubricating oil cooling device for the tank opening cleaning apparatus in a high temperature environment according to claim 1, characterized by The external cooling device is one or several of a natural air cooling machine, a forced air cooling machine and a vapor compression refrigeration cooling machine.

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