Tank opening tool bit cleaning device with slewing bearing sealing and cooling functions

Abstract

The utility model discloses a tank opening tool bit cleaning device with slewing bearing sealing and cooling functions. The tank opening tool bit cleaning device comprises an upper lug base assembly, a cutter head assembly, a slewing assembly and an air cooling device. The upper lug assembly comprises an upper flange plate, an upper air inlet, an annular air chamber and a lower air inlet which are communicated are formed in the upper portion, the middle portion and the lower portion of the upper flange plate, and an air chamber sealing plate is arranged on the outer side of the annular air chamber. The cutterhead assembly comprises a cutterhead cylinder, a lower flange plate is fixedly arranged on the top of the cutterhead cylinder, and a bottom cover is arranged in the middle of the cutterhead cylinder. The rotary assembly comprises a rotary support, a hydraulic motor and a gear arranged on the hydraulic motor. The air cooling device comprises an air compressor and an annular pipe which are communicated, and a plurality of branch air inlet pipes are arranged at the bottom of the annular pipe. The slewing bearing is connected between the upper flange plate and the lower flange plate and corresponds to the lower air inlet holes, the hydraulic motor is arranged on the upper flange plate, and when the hydraulic motor drives the gear to rotate, the gear drives the cutterhead assembly to rotate through the slewing bearing. The sealing and cooling device can effectively solve the sealing and cooling problems of the slewing bearing of the cutterhead assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of iron mixing car tank mouth cleaning equipment, and specifically relates to a tank mouth cutter head cleaning device with rotary supporting sealing and cooling functions. BACKGROUND

[0002] At present, the molten iron transportation of steel enterprises is usually carried out by means of torpedo ladle cars. In actual production environment, when the molten iron is transported by means of the torpedo ladle car, many problems are often faced, among which the most serious one is the slag accumulation at the tank mouth. The reason is that when the molten iron is filled into the torpedo ladle car, taken out, and the car shakes during driving, due to the fact that the temperature of the tank mouth is much lower than that of the tank, part of the molten iron will be cooled at the tank mouth, and the iron slag will be formed by oxidation and attached to the surface. These iron slags will affect the effective volume of the tank, and further cause the tank mouth to be blocked and the tank cover to be unable to be attached. Meanwhile, the iron slags will also affect the pouring of the molten iron, and have certain safety hazards. The traditional tank mouth slag cleaning mode mainly relies on manual operation, and the iron slags are made to fall off by means of manual cutting and beating. Not only is the efficiency low and the workload large, but also there are high safety hazards. There is also a tank mouth slag cleaning machine for cleaning the slag. The device is driven by a mechanical arm to make a cutter head assembly relatively displace in the tank mouth, and the cutter head is rotated to cut the slag at the tank mouth, so that the cleaning work is completed.

[0003] When the tank mouth slag cleaning machine works, the front part of the cutter head needs to be inserted into the tank mouth and closely attached to the tank mouth. The driving motor drives the internal bearing to rotate, and further drives the cutter head to cut. The temperature during the work is much higher than the temperature under normal environment. The service life and sealing effect of the bearing inside the cutter head are affected to a certain extent under high temperature. Therefore, the sealing and cooling of the rotary supporting inside the cutter head under high temperature environment need to be solved urgently. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of tank mouth cutter head cleaning device with rotary supporting sealing and cooling function, effectively solve the sealing and cooling problems of cutter head assembly rotary supporting.

[0005] The technical scheme that the utility model solves technical problem is as follows:

[0006] According to an aspect of the utility model, a kind of tank mouth cutter head cleaning device with rotary supporting sealing and cooling function is provided, it is characterized in that, including upper ear seat component, cutter head assembly, rotary component and gas cooling device.

[0007] The upper ear seat component includes upper flange plate and upper ear seat arranged on the upper flange plate, the upper part, the middle and the lower part of the upper flange plate close to the edge are respectively provided with the upper air inlet hole, annular air chamber and lower air inlet hole communicated in sequence along circumference, the upper air inlet hole and the lower air inlet hole are multiple, are evenly arranged, the annular air chamber outer side is fixedly provided with air chamber sealing plate.

[0008] The cutter head assembly comprises a cutter head barrel in the shape of a circular tube, a lower flange plate fixedly arranged at the top of the cutter head barrel, and a bottom cover detachably arranged at the middle part of the cutter head barrel.

[0009] The slewing assembly comprises a hydraulic motor, a gear arranged at the output end of the hydraulic motor, and a slewing bearing engaged with the gear.

[0010] The air cooling device comprises an air compressor and a ring pipe, the air compressor is communicated with the ring pipe through an air inlet pipe, and the bottom of the ring pipe is provided with a plurality of branch air inlet pipes consistent in number with the upper air inlet holes.

[0011] In the application, the slewing bearing is detachably connected between the upper flange plate and the lower flange plate, each branch air inlet pipe is inserted into each upper air inlet hole, each lower air inlet hole is correspondingly arranged at the gap between the upper flange plate and the lower flange plate, the hydraulic motor is arranged through the upper flange plate, the gear is arranged inside the cutter head barrel, and the gear drives the cutter head assembly to rotate through the slewing bearing when the hydraulic motor drives the gear to rotate.

[0012] Further, the slewing bearing comprises a slewing bearing inner ring and a slewing bearing outer ring, a plurality of pairs of screw holes are uniformly arranged at the bottom of the upper flange plate near the outer side edge and are connected with the slewing bearing outer ring through bolts, a plurality of pairs of screw holes are uniformly arranged between the lower flange plate and the slewing bearing inner ring and are connected through bolts, an inner ring gear is arranged at the inner side of the slewing bearing inner ring, and the gear is engaged with the inner ring gear of the slewing bearing inner ring.

[0013] Further, the top of the lower flange plate is provided with an upper boss, the edge of the upper flange plate is provided with a lower boss surrounding the upper boss, the upper flange plate and the lower boss form an L-shaped gap with the lower flange plate and the upper boss, and each lower air inlet hole is communicated with the upper part of the L-shaped gap.

[0014] Further, a sealing groove is arranged at the inner side of the upper boss, a sealing member is arranged in the sealing groove, the sealing member is in contact with the slewing bearing outer ring, a notch is arranged on the slewing bearing outer ring and the slewing bearing inner ring, and an upper sealing ring and a lower sealing ring are arranged in the notch, respectively, and the front ends of the upper sealing ring and the lower sealing ring are in contact with the slewing bearing inner ring and the slewing bearing outer ring, respectively.

[0015] Further, the sealing member is a J-shaped boneless oil seal.

[0016] Further, a connecting ring is fixedly arranged at the connection between the cutter head barrel and the bottom cover, a plurality of pairs of screw holes are uniformly arranged in the connecting ring and the bottom cover and are connected through bolts.

[0017] Further, the bottom cover bottom surface is provided with several handles.

[0018] Further, the upper flange plate upper portion is provided with a circular protective plate along the outer side circumference, the protective plate comprises two semicircular half protective plate units, end connecting plates are arranged at the two ends of the half protective plate units respectively, an intermediate connecting plate is arranged between the corresponding end connecting plates of the two half protective plate units and is connected through bolts, and the intermediate connecting plate is connected and fixed with the upper flange plate top portion.

[0019] Further, the cutter disc assembly is uniformly provided with a plurality of vertical blade mounting seats on the outer side of the cutter disc cylinder body, and a vertical blade is mounted on each vertical blade mounting seat; the lower flange plate is uniformly provided with a plurality of connecting blocks on the outer side, a horizontal blade mounting seat is mounted on each connecting block, and a horizontal blade is mounted on each horizontal blade mounting seat; and a plurality of arc-shaped rib plates are arranged between each adjacent vertical blade mounting seat.

[0020] Further, the upper ear seat is provided with at least two connecting pins.

[0021] Compared with the prior art, the tank mouth cutter head cleaning device with slewing bearing sealing and cooling functions has the following beneficial effects:

[0022] (1) The upper flange plate edge of the upper ear seat assembly is uniformly provided with upper air inlet holes, annular air chambers and lower air inlet holes, forming an air inlet channel, and the high-pressure cooling gas is transported into the air inlet channel through an air compressor, so that the slewing bearing between the upper flange plate and the lower flange plate can be cooled, and the high-pressure cooling gas circulates outside the annular sealing area formed by the slewing bearing outer ring and the sealing element, so that the sealing element is protected from being melted by high temperature inside, and the upper sealing ring and the lower sealing ring are arranged on the slewing bearing outer ring and the slewing bearing inner ring respectively and are staggered, which further enhances the sealing performance of the internal bearing and effectively prevents external pollutants from entering and the lubricating oil inside the bearing from leaking to the outside.

[0023] (2) The upper flange plate and the lower flange plate are provided with an air outlet gap outside, so that the high-pressure gas entering the inside is discharged from the air outlet gap, and the discharged high-pressure gas forms an air curtain outside the cutter disc assembly, which blocks the high-temperature gas from entering the inside of the slewing bearing, improves the service life and working performance of the slewing bearing, and further ensures the internal sealing performance.

[0024] (3) The utility model discloses a gas cooling device is arranged at the upper air inlet hole of upper flange plate, in actual production application, the shape and the specification of each component of gas cooling device can be adjusted according to specific use environment, such as extending air inlet pipeline, air compressor is away from high temperature cutter head part etc., this structure is simple, convenient to disassemble and install, and air compressor can also be connected with relevant remote control system, can remote control air intake relevant parameter, improve security and convenience.

[0025] (4) The utility model discloses a gas cooling device cooling method, compared with the cooling method of traditional cooling oil and fan cooling, its simple setting can not only improve the heat dissipation effect, guarantee internal sealing performance, but also can effectively save the cost, improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0027] Figure 2 It is the overhead structure schematic diagram of the utility model (not including gas cooling device);

[0028] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0029] Figure 4 It is the structure schematic diagram of cutter head assembly and slewing assembly in the utility model;

[0030] Figure 5 It is the structure schematic diagram of gas cooling device in the utility model;

[0031] Figure 6 It is the schematic diagram of each air hole and sealing element of slewing bearing position;

[0032] In the drawing: 1, upper ear seat assembly;11, upper flange plate;12, upper ear seat;13, connecting pin;14, guard plate;141, half guard plate unit;142, end connecting plate;143, middle connecting plate;15, upper air inlet hole;16, annular air chamber;17, air chamber sealing plate;18, lower air inlet hole;111, lower boss;2, cutter head assembly;21, cutter head cylinder;22, lower flange plate;221, upper boss;222, sealing groove;23, bottom cover;24, connecting ring;25, handle;26, connecting block;27, horizontal blade mounting seat;28, horizontal blade;29, vertical blade mounting seat;210, vertical blade;211, arc-shaped rib plate;31, hydraulic motor;32, gear;33, slewing bearing;331, slewing bearing inner ring;332, slewing bearing outer ring;4, gas cooling device;41, air compressor;42, air inlet pipe;43, ring pipe;44, branch air inlet pipe;51, sealing element;52, upper sealing ring;53, lower sealing ring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Unless otherwise defined, the technical terms or scientific terms used herein should have the common meanings understood by those skilled in the art to which the present application belongs. The "up", "down", "left", "right", "front", "back", and the like used in the patent application specification and claims of the present application are only used to indicate relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships are also changed accordingly; the "connection" or "connected" and the like similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The present application does not describe the known technology in the technical field.

[0034] As shown in the drawings, the present embodiment provides a tank mouth cutter head cleaning device with rotary supporting sealing and cooling functions, which comprises an upper lug seat assembly 1, a cutter disc assembly 2, a rotary assembly and a gas cooling device 4.

[0035] The upper lug seat assembly 1 comprises an upper flange plate 11 and an upper lug seat 12 arranged on the upper flange plate 11, and at least two connecting pins 13 are arranged on the upper lug seat 12, which are used to be connected with a mechanism for driving the movement of the entire cutter head device, such as a slag removal machine mechanical arm. The upper part, the middle part and the lower part near the edge of the upper flange plate 11 are respectively provided with an upper air inlet hole 15, an annular air chamber 16 and a lower air inlet hole 18 which are connected in communication along the circumference, and the upper air inlet hole 15 and the lower air inlet hole 18 are both multiple and evenly arranged. The outer side of the annular air chamber 16 is fixedly provided with an air chamber sealing plate 17 for preventing the gas in the annular air chamber 16 from leaking outward. As a preferred embodiment, the number of lower air inlet holes 18 is greater than the number of upper air inlet holes 15, and the number of upper air inlet holes 15 is generally not less than 4.

[0036] The cutter head assembly 2 is used for cleaning the accumulated residues on the opening of the torpedo tank, which comprises a cutter head barrel 21 in the shape of a circular tube, a lower flange plate 22 fixedly arranged at the top of the cutter head barrel 21, and a bottom cover 23 detachably arranged at the middle of the cutter head barrel 21; a plurality of vertical blade mounting seats 29 are uniformly arranged on the outer side of the cutter head barrel 21 of the cutter head assembly 2, and a vertical blade 210 is respectively arranged on each vertical blade mounting seat 29; a plurality of connecting blocks 26 are uniformly arranged on the outer side of the lower flange plate 22, a horizontal blade mounting seat 27 is arranged on each connecting block 26, and a horizontal blade 28 is arranged on each horizontal blade mounting seat 27; when the cutter head assembly 2 rotates, the horizontal blades 28 and the vertical blades 210 clean the residues on the opening; in order to improve the stability of the cutter head assembly 2, a plurality of arc-shaped rib plates 211 are respectively arranged between each adjacent vertical blade mounting seat 29.

[0037] The rotating assembly is used for driving the cutter head assembly 2 to rotate, which comprises a hydraulic motor 31, a gear 32 arranged at the output end of the hydraulic motor 31, and a slewing bearing 33 connected with the gear 32; the slewing bearing 33 is detachably connected between the upper flange plate 11 and the lower flange plate 22, each lower air inlet hole 18 corresponds to the gap between the upper flange plate 11 and the lower flange plate 22, the hydraulic motor 31 is arranged through the upper flange plate 11, the gear 32 is located on the inner side of the cutter head barrel 21, and when the hydraulic motor 31 drives the gear 32 to rotate, the gear 32 drives the cutter head assembly 2 to rotate through the slewing bearing 33. More specifically, the slewing bearing 33 comprises a slewing bearing inner ring 331 and a slewing bearing outer ring 332, a plurality of pairs of threaded holes are uniformly arranged along the circumference between the bottom of the upper flange plate 11 close to the outer side edge and the slewing bearing outer ring 332 and are connected by bolts; a plurality of pairs of threaded holes are uniformly arranged between the lower flange plate 22 and the slewing bearing inner ring 331 and are connected by bolts; the inner side of the slewing bearing inner ring 331 is provided with an inner ring gear, and the gear 32 is connected with the inner ring gear of the slewing bearing inner ring 331.

[0038] The air cooling device 4 is used for cooling the slewing bearing 33 and the related sealing components, which comprises an air compressor 41 and a ring pipe 43, the air compressor 41 is communicated with the ring pipe 43 through an air inlet pipe 42, the bottom of the ring pipe 43 is provided with a plurality of branch air inlet pipes 44 consistent with the number of the upper air inlet holes 15, and each branch air inlet pipe 44 is inserted into each upper air inlet hole 15.

[0039] When the opening cutter head cleaning device with slewing bearing sealing and cooling functions is used, the air compressor 41 generates high-pressure cooling gas, which enters the ring pipe 43 through the air inlet pipe 42, then enters the branch air inlet pipes 44 through the ring pipe 43, and then enters the annular air chamber 16 through the upper air inlet holes 15. After gathering in the annular air chamber 16, the cooling gas enters the annular gap between the upper flange plate 11 and the lower flange plate 22 through each lower air inlet hole 18, and cools the slewing bearing 33 at this position.

[0040] As a preferred embodiment, the top of the lower flange 22 is provided with an upper boss 221, the edge of the upper flange 11 is provided with a lower boss 111 surrounding the upper boss 221, and the upper flange 11 and the lower boss 111 form an "L"-shaped gap with the lower flange 22 and the upper boss 221. The "L"-shaped gap is downward, one end is communicated with the slewing bearing outer ring 332, and the other end is communicated with the outside. Each lower air inlet hole 18 is communicated with the upper part of the "L"-shaped gap. When the high-pressure cooling gas enters, it can contact and cool the slewing bearing outer ring 332 through the "L"-shaped gap. Moreover, the high-pressure cooling gas can form an annular air curtain on the other side of the "L"-shaped gap, which can prevent external high-temperature gas from entering the inside of the cutterhead assembly and can also blow the discharged gas to the cutterhead assembly for cooling. Such reciprocation can not only cool the cutterhead assembly, but also achieve the effect of protecting the internal sealing element and cooling.

[0041] To strengthen the sealing of the slewing bearing 33, as a preferred embodiment, a sealing groove 222 is formed in the inner side of the upper boss 221, and a sealing element 51 is arranged in the sealing groove 222. The sealing element 51 is preferably a J-shaped boneless oil seal, which forms an annular sealing area to prevent the leakage of lubricating oil in the bearing and the entry of external contaminants into the bearing. The slewing bearing outer ring 332 and the slewing bearing inner ring 331 are respectively provided with notches and are respectively provided with upper and lower sealing rings 52 and 53. The front ends of the upper and lower sealing rings 52 and 53 are respectively in contact with the slewing bearing inner ring 331 and the slewing bearing outer ring 332. The two sealing rings can seal the inside of the slewing bearing 33 to prevent the leakage of lubricating oil in the bearing and the intrusion of external contaminants.

[0042] The sealing elements and sealing rings used for sealing in this embodiment are made of rubber material. If they cannot be cooled in time in a high-temperature environment, they will quickly age or even melt. However, the air cooling device can cool the sealing rings and elements, and the high-pressure cooling gas surrounds the inside and outside of the J-shaped boneless oil seal, which further protects the internal sealing device and achieves the best sealing effect.

[0043] To facilitate the connection of the bottom cover 23 in the middle of the cutterhead barrel 21, as a preferred embodiment, a connection ring 24 is fixedly arranged at the connection between the cutterhead barrel 21 and the bottom cover 23. The connection ring 24 and the bottom cover 23 are uniformly provided with multiple pairs of threaded holes corresponding to each other and are connected by bolts. The bottom cover 23 can be easily removed and maintained at any time.

[0044] To facilitate the disassembly and assembly of the bottom cover 23, a plurality of handles 25 are arranged on the bottom surface of the bottom cover 23. When the bottom cover 23 is disassembled and assembled, the operator can lift it through the handles 25.

[0045] In order to protect the components on the upper flange plate during the slag removal operation of the tool head device, as a preferred embodiment, a circular protective plate 14 is arranged on the upper part of the outer circumference of the upper flange plate 11. The protective plate 14 includes two semicircular half-protective plate units 141, each of which is provided with an end connecting plate 142 at both ends. The two half-protective plate units 141 are connected by a middle connecting plate 143 between the corresponding end connecting plates 142, and the middle connecting plate 143 is connected and fixed to the top of the upper flange plate 11.

Claims

1. A tank mouth cutter head cleaning device with slewing bearing sealing and cooling function, characterized in that, The utility model provides a cutting device, including: Upper ear seat assembly (1), it includes upper flange (11) and sets up on the upper flange (11) upper ear seat (12), the upper flange (11) is close to the upper part of edge, middle and lower part is opened with the upper air hole (15) of communication, annular air chamber (16) and lower air hole (18) along the circumference respectively, the upper air hole (15) and lower air hole (18) are multiple, are evenly arranged, the annular air chamber (16) outside fixedly set up with air chamber seal plate (17); Cutterhead assembly (2), it includes the cutterhead cylinder (21) of circular pipe shape, the lower flange (22) is fixedly set up in the cutterhead cylinder (21) top, and the bottom cover (23) is detachably arranged in the middle part; Rotary assembly, it includes hydraulic motor (31), the gear (32) of setting up in the output end of hydraulic motor (31) and the rotary bearing (33) of meshing connection with gear (32); Air cooling device (4), it includes air compressor (41) and ring pipe (43), the air compressor (41) is communicated with ring pipe (43) through air inlet pipe (42), and the bottom of ring pipe (43) is equipped with multiple branch air inlet pipe (44) with the number of upper air hole (15) is consistent; Wherein: the rotary bearing (33) is detachably connected between the upper flange (11) and lower flange (22) respectively, each branch air inlet pipe (44) is inserted into each upper air hole (15) respectively, each lower air hole (18) is correspondingly arranged at the clearance between the upper flange (11) and lower flange (22), the hydraulic motor (31) is arranged on the upper flange (11), the gear (32) is located in the inside of cutterhead cylinder (21), when the gear (32) is driven to rotate by hydraulic motor (31), the gear (32) drives cutterhead assembly (2) to rotate through rotary bearing (33).

2. The device according to claim 1, characterized in that, The rotary bearing (33) includes rotary bearing inner ring (331) and rotary bearing outer ring (332), and a plurality of pairs of screw holes are evenly arranged along the circumference between the bottom of the upper flange (11) near the outer edge and the rotary bearing outer ring (332) and are connected by bolts; a plurality of pairs of screw holes are evenly arranged between the lower flange (22) and the rotary bearing inner ring (331) and are connected by bolts; the inner ring of the rotary bearing inner ring (331) is provided with an internal gear, and the gear (32) is connected with the internal gear of the rotary bearing inner ring (331).

3. The device according to claim 2, characterized in that, The top of the lower flange (22) is provided with an upper boss (221), the edge of the upper flange (11) is provided with a lower boss (111) surrounding the upper boss (221), and the upper flange (11) and the lower boss (111) form an "L"-shaped gap with the lower flange (22) and the upper boss (221), and each lower air hole (18) is communicated with the upper part of the "L"-shaped gap.

4. The device according to claim 3, characterized in that, The upper boss (221) is internally provided with a sealing groove (222), and a sealing element (51) is arranged in the sealing groove (222) and in abutting contact with the outer ring (332) of the slewing bearing, and the outer ring (332) and the inner ring (331) of the slewing bearing are respectively provided with notches and are respectively provided with upper and lower sealing rings (52) and (53), and the front ends of the upper and lower sealing rings (52) and (53) are respectively in contact with the inner ring (331) and the outer ring (332) of the slewing bearing.

5. The device according to claim 4, characterized in that, The sealing element (51) is a J-shaped boneless oil seal.

6. The device according to claim 1, wherein A connecting ring (24) is fixedly arranged at the connecting position of the cutter drum (21) and the bottom cover (23), a plurality of pairs of threaded holes are uniformly arranged in the connecting ring (24) and the bottom cover (23) corresponding to each other, and the connecting ring (24) and the bottom cover (23) are connected by bolts.

7. The device according to claim 6, characterized in that, A plurality of handles (25) are arranged on the bottom surface of the bottom cover (23).

8. The device according to claim 1, characterized in that, A circular protective plate (14) is arranged on the upper part of the upper flange plate (11) along the outer circumference, the protective plate (14) comprises two semicircular half protective plate units (141), end connecting plates (142) are arranged at the two ends of each half protective plate unit (141), intermediate connecting plates (143) are arranged between the corresponding end connecting plates (142) of the two half protective plate units (141) and are connected by bolts, and the intermediate connecting plates (143) are connected and fixed to the top of the upper flange plate (11).

9. The device according to claim 1, characterized in that, A plurality of vertical blade mounting seats (29) are uniformly arranged on the outer side of the cutter drum (21) of the cutter assembly (2), a vertical blade (210) is arranged on each vertical blade mounting seat (29), a plurality of connecting blocks (26) are uniformly arranged on the outer side of the lower flange plate (22), a horizontal blade mounting seat (27) is arranged on each connecting block (26), a horizontal blade (28) is arranged on each horizontal blade mounting seat (27), and a plurality of arc-shaped rib plates (211) are arranged between each adjacent vertical blade mounting seat (29).

10. The device according to claim 1, wherein At least two connecting pins (13) are arranged on the upper ear seat (12).

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