CN219521501U - Special coping utensil of overlength pipe inner wall restoration station - Google Patents
Special coping utensil of overlength pipe inner wall restoration station Download PDFInfo
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- CN219521501U CN219521501U CN202222955610.XU CN202222955610U CN219521501U CN 219521501 U CN219521501 U CN 219521501U CN 202222955610 U CN202222955610 U CN 202222955610U CN 219521501 U CN219521501 U CN 219521501U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a special repairing and grinding tool for an inner wall repairing station of an ultra-long tube, which comprises the following components: the device comprises a motor, a gearbox, a moving and lifting platform, a polishing head rod, a polishing head, a guide rail, an active rotary riding wheel, a supporting platform, a passive rotary riding wheel, a center frame and a moving platform, wherein the polishing head rod adopts a double-layer structure, an outer cylinder supports the polishing head, the inner flexible shaft automatically adjusts radial errors by taking the inner wall of an ultra-long tube as a reference in the rotating process of the polishing head, the real-time concentricity of the polishing head and the inner wall of the ultra-long tube is ensured, the swinging and jumping of the polishing head is eliminated, the technical problem that the polishing head swings and jumps due to deflection when the polishing head rod is overlong is solved, the industrial problem of a station for repairing the inner wall of the ultra-long tube is solved, the polishing efficiency is high, the production is stable, the personal safety of a worker is greatly ensured, and the economic benefit is considerable.
Description
Technical Field
The utility model relates to an inner wall repairing technology of an ultra-long tube, in particular to a special repairing and grinding tool for an inner wall repairing station of an ultra-long tube.
Background
In the hot rolling production process of the hot-rolled seamless steel pipe, the defects of bubbles, internal folds, scratches, pits and the like are generated on the inner surface of the hot-rolled seamless steel pipe due to the influences of raw material steel, production technology and production tools, wherein the defective rate accounts for about 10% of the total number. When the hot-rolled seamless steel tube is used, the length of the finished hot-rolled seamless steel tube is generally more than 6 meters, and the defects on the inner surface of the ultra-long hot-rolled seamless steel tube cannot be found in time, so that the defects on the inner surface can fall off in the use process, the engineering quality of gas transmission, water transmission and the like is seriously influenced, and the problem of restricting the development of the industry is already solved. The existing ultra-long hot rolled seamless steel pipe inner wall repairing technology adopts an old special nonstandard tool, and uses a grinding wheel grinding head to grind and repair the inner wall of the ultra-long pipe, but because the length of a finished hot rolled seamless steel pipe is more than 6 meters, the cantilever of a grinding wheel grinding head rod is overlong, the deflection of the grinding wheel grinding head rod is large under the gravity action of the grinding wheel grinding head rod, after the ultra-long hot rolled seamless steel pipe is started, the grinding wheel grinding head swings and breaks, sand wheel pieces are frequently broken, waste products are caused by flying out, the cost is high, the working efficiency is low, and the safety of operators is seriously threatened.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model creatively contemplates a special repairing tool for a repairing station of the inner wall of an ultra-long tube, wherein a repairing head rod adopts a double-layer structure, an outer-layer cylinder supports the repairing head, and during the rotating process of the repairing head, an inner-layer flexible shaft automatically adjusts the radial error by taking the inner wall of the ultra-long tube as a reference, so that the repairing head and the inner wall of the ultra-long tube are ensured to be concentric in real time, the swinging and jumping are eliminated, the operation is stable and safe, and the quality guarantee speed is improved.
The technical scheme adopted for realizing the utility model is as follows: a special repairing and grinding tool for an inner wall repairing station of an ultra-long pipe comprises: the automatic grinding machine is characterized in that the supporting platform 9 is provided with the moving platform 12, the moving platform 12 is detachably connected with the supporting platform 9, a pair of active rotary riding wheels 7 and a pair of passive rotary riding wheels 10 are sequentially arranged on the moving platform 12 from front to back, the active rotary riding wheels 7 and the passive rotary riding wheels 10 are fixedly connected with the moving platform 12, two guide rails 6 which are parallel to each other are arranged at the front end of the supporting platform 9, the guide rails 6 are fixedly connected with the supporting platform 9, four identical idler wheels 11 are arranged on the bottom of the moving and lifting platform 3, the four identical idler wheels 11 are respectively in rolling connection with the guide rails 6, the top of the moving and lifting platform 3 is provided with a gearbox 2, the gearbox 2 is fixedly connected with the front end of the moving platform 2 and the front end of the grinding machine, the front end of the grinding machine is fixedly connected with the front end 4 of the grinding machine, and the front end of the grinding machine is fixedly connected with the front end 4, and the grinding head 4 is fixedly connected with the front end of the grinding machine, and the grinding machine is fixedly connected with the front end 4, and the grinding machine is fixedly connected with the front end of the grinding machine.
Further, it also includes: the center frame 13 is arranged on the guide rail 6 between the moving and lifting platform 3 and the supporting platform 9, the center frame 13 is fixedly connected with the guide rail 6, and the coping head rod 4 is connected with the center frame 13 in a sliding fit manner.
Further, the center frame 13 includes: the novel bearing comprises a fixed base 13.1, a T-shaped lead screw 13.2, a supporting seat 13.3, a rubber pad 13.4, a first bearing seat 13.5, a first supporting bearing 13.6, a second supporting bearing 13.7 and a second bearing seat 13.8, wherein a T-shaped wire hole is formed in the fixed base 13.1, the T-shaped lead screw 13.2 is connected with the T-shaped wire hole of the fixed base 13.1, the upper end of the T-shaped lead screw 13.2 is fixedly connected with the supporting seat 13.3, the supporting seat 13.3 is provided with the first bearing seat 13.5 and the second bearing seat 13.8 in parallel, the rubber pad 13.4 is arranged between the first bearing seat 13.5 and the second bearing seat 13.8 and the supporting seat 13.3, the first supporting bearing 13.6 is arranged on the first bearing seat 13.8, the first supporting bearing 13.6 is connected with the first bearing seat 13.8 in a sliding fit manner, the second supporting bearing 13.7 is arranged on the second bearing seat 13.8, and the second supporting bearing seat 13.7 is connected with the second bearing seat 13.8 in a sliding fit manner.
Further, the grinding bit rod 4 includes: the driven gear connecting shaft 4.2, the coping connecting shaft 4.3, the cylinder 4.4, the flexible shaft 4.5, the front transparent cover 4.6, the front end bearing 4.7, the front end connecting pin 4.8, the aligning bearing 4.9, the nylon sleeve 4.10, the rear end connecting pin 4.12, the rear end bearing 4.13 and the rear transparent cover 4.14 are respectively arranged at the front end and the rear end of the cylinder 4.4, the outer rings of the front end bearing 4.7 and the rear end bearing 4.13 are respectively connected with the inner hole of the cylinder 4.4 in a matching way, the front end of the cylinder 4.4 is provided with the front transparent cover 4.6, the inner surface of the front transparent cover 4.6 is connected with the outer end surface of the outer ring of the front end bearing 4.7, the coping connecting shaft 4.3 is arranged in the front end bearing 4.7, the coping connecting shaft 4.3 is connected with the inner ring of the front end bearing 4.7 in a clearance fit way, the center of the front transparent cover 4.6 is provided with the front transparent cover 4.6, the front end bearing 4.6 is connected with the front transparent cover 4.6 through the through hole 4.6, a rear transparent cover 4.14 is arranged at the rear end of the cylinder 4.4, the inner surface of the rear transparent cover 4.14 is connected with the outer end surface of the outer ring of the rear end bearing 4.13, a driven gear connecting shaft 4.2 is arranged in the rear end bearing 4.13, the ground driven gear connecting shaft 4.2 is connected with the inner ring of the rear end bearing 4.13 in a matched manner, a through hole is arranged in the center of the rear transparent cover 4.14, the driven gear connecting shaft 4.2 penetrates through the central through hole of the rear transparent cover 4.14, the rear transparent cover 4.14 is detachably connected with the cylinder 4.4, a group of nylon sleeves 4.10 are arranged in the cylinder 4.4, a self-aligning bearing 4.9 is respectively arranged in the nylon sleeves 4.10, the cylinder 4.4 is connected with the nylon sleeves 4.10 in a clearance fit manner, the nylon sleeves 4.10 are connected with the self-aligning bearing 4.9 in an interference fit manner, a group of flexible shafts 4.5 are arranged in the self-aligning bearing 4.9, a group of flexible shafts 4.5 are connected with the self-aligning bearings 4.9 in a clearance fit manner, the front shaft head of the flexible shaft 4.5 is connected with the coping connecting shaft 4.3 through a front end connecting pin shaft 4.8, and the rear shaft head of the flexible shaft 4.5 is connected with the driven gear connecting shaft 4.2 through a rear end connecting pin shaft 4.12.
Further, the grinding head 5 is a grinding wheel or a wire brush.
Further, the method further comprises the following steps: the positioning sleeve 11 is arranged on the flexible shaft 4.5, the positioning sleeves 11 are respectively arranged on the front and the rear of the aligning bearing 4.9, and the positioning sleeves 11 are connected with the flexible shaft 4.5 in a clearance fit manner.
Further, the flexible shaft 4.5 is made of ABS, nylon or polytetrafluoroethylene.
Further, the motor 1 is a variable-frequency speed-regulating motor.
The special repairing and grinding device for the inner wall repairing station of the ultra-long pipe has the beneficial effects that:
1. the special repairing and grinding tool for the inner wall repairing station of the ultra-long tube has the advantages that a double-layer structure is adopted for a repairing and grinding head rod, the rotating motion of the repairing and grinding head in the ultra-long tube is based on the inner diameter of the ultra-long tube, a flexible shaft connected with the repairing and grinding head can freely creep according to the stress condition, the real-time concentricity of the repairing and grinding head and the inner wall of the ultra-long tube is ensured, the technical problem that the repairing and grinding head swings and jumps due to deflection when the repairing and grinding head rod is overlong is solved, the industrial problem of the inner wall repairing station of the ultra-long tube is solved, the repairing and grinding efficiency is high, the production is stable, and the personal safety of a first-line worker is greatly ensured;
2. the special repairing and grinding device for the repairing station of the inner wall of the ultra-long pipe is verified in practice in actual work, 100% of the inner wall of the ultra-long pipe repaired by the special repairing and grinding device for the repairing station of the inner wall of the ultra-long pipe is qualified, the engineering quality of gas transmission, water transmission and the like is met, and the annual cost is reduced by about 3 kilomega-elements.
Drawings
FIG. 1 is a front view of a special coping appliance for an inner wall repair station of an ultra-long tube;
FIG. 2 is a top view of a special coping instrument for an extra-long tube inner wall repair station;
FIG. 3 is a schematic view of the member 4 of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the member 13 of FIG. 1;
in the figure: 1. the hydraulic system comprises a motor, a 2-gearbox, a 3-moving and lifting platform, a 4-coping head rod, a 4.1-driven gear, a 4.2-driven gear connecting shaft, a 4.3-coping head connecting shaft, a 4.4-cylinder, a 4.5-flexible shaft, a 4.6-front transparent cover, a 4.7-front end bearing, a 4.8-front end connecting pin, a 4.9-aligning bearing, a 4.10-nylon sleeve, a 4.11-positioning sleeve, a 4.12-rear end connecting pin, a 4.13-rear end bearing, a 4.14-rear transparent cover, a 4.15-rear end connecting screw, a 4.16-positioning plate, a 5-coping head, a 5.1-coping head connecting screw, a 6-guide rail, a 7-driving rotary riding wheel, an 8-ultra-long pipe workpiece, a 9-supporting platform, a 10-passive rotary riding wheel, a 11-roller, a 12-moving platform, a 13-center frame, a 13.1-fixed base, a 13.2-T-shaped lead screw, a 13.3-supporting seat, a 13.3-wire rope, a 13.4.15-rear end bearing, a first reel, a second reel, a first reel and a second reel, a 13.6-supporting rope, a second reel, a first reel and a second reel, a second reel and a second reel.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4 and the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.
As shown in figures 1-4, a special repairing and grinding tool for an inner wall repairing station of an ultra-long pipe comprises: the grinding head rod 4 comprises: the driven gear connecting shaft 4.2, the coping connecting shaft 4.3, the cylinder 4.4, the flexible shaft 4.5, the front transparent cover 4.6, the front end bearing 4.7, the front end connecting pin 4.8, the aligning bearing 4.9, the nylon sleeve 4.10, the positioning sleeve 11, the rear end connecting pin 4.12, the rear end bearing 4.13 and the rear transparent cover 4.14 are respectively arranged at the front end and the rear end of the cylinder 4.4, the outer rings of the front end bearing 4.7 and the rear end bearing 4.13 are respectively connected with the inner hole of the cylinder 4.4 in a matching way, the front end of the cylinder 4.4 is provided with the front transparent cover 4.6, the inner surface of the front transparent cover 4.6 is connected with the outer end surface of the front end bearing 4.7, the front coping connecting shaft 4.3 is arranged in the front end bearing 4.7, the coping connecting shaft 4.3 is connected with the inner ring of the front end bearing 4.7 in a clearance fit way, the front end bearing 4.6 is provided with the inner ring of the front end bearing 4.6, the front transparent cover 4.6 is connected with the front transparent cover 4.6 through the through hole of the front transparent cover 4.6, the front transparent cover 4.6 is detachably connected with the cylinder 4.4, the rear end of the cylinder 4.4 is provided with a rear transparent cover 4.14, the inner surface of the rear transparent cover 4.14 is connected with the outer end surface of the outer ring of the rear end bearing 4.13, the rear end bearing 4.13 is internally provided with a driven gear connecting shaft 4.2, the ground driven gear connecting shaft 4.2 is in matched connection with the inner ring of the rear end bearing 4.13, the center of the rear transparent cover 4.14 is provided with a through hole, the driven gear connecting shaft 4.2 penetrates through the center through hole of the rear transparent cover 4.14, the rear transparent cover 4.14 is detachably connected with the cylinder 4.4, a group of nylon sleeves 4.10 are arranged in the cylinder 4.4, a group of aligning bearings 4.9 are respectively arranged in the nylon sleeves 4.10, the cylinder 4.4 is in clearance matched connection with the nylon sleeves 4.10, the nylon sleeves 4.10 are in interference matched connection with the aligning bearings 4.9, a group of flexible shafts 4.5 are arranged in the group of the aligning bearings 4.9, the self-aligning bearing 4.9 and the flexible shaft 4.5 are connected in a clearance fit manner, the flexible shaft 4.5 is provided with a positioning sleeve 11, the front and the rear of the self-aligning bearing 4.9 are respectively provided with a positioning sleeve 11, the positioning sleeve 11 is connected with the flexible shaft 4.5 in a clearance fit manner, the front shaft head of the flexible shaft 4.5 is connected with the grinding head connecting shaft 4.3 through a front end connecting pin shaft 4.8, the rear shaft head of the flexible shaft 4.5 is connected with the driven gear connecting shaft 4.2 through a rear end connecting pin shaft 4.12, the supporting platform 9 is provided with a moving platform 12, the moving platform 12 is detachably connected with the supporting platform 9, a center frame 13 is arranged on a guide rail 6 between the moving and lifting platform 3 and the supporting platform 9, and the center frame 13 comprises: the T-shaped screw rod 13.2 is fixedly connected with the T-shaped screw hole of the fixed base 13.1, the upper end of the T-shaped screw rod 13.2 is fixedly connected with the supporting seat 13.3, the supporting seat 13.3 is provided with a first bearing seat 13.5 and a second bearing seat 13.8 in parallel, a rubber pad 13.4 is arranged between the first bearing seat 13.5 and the second bearing seat 13.8 and the supporting seat 13.3, the first bearing seat 13.6 is arranged on the first bearing seat 13.8, the first bearing seat 13.6 is connected with the first bearing seat 13.8 in a sliding fit manner, the second bearing seat 13.7 is arranged on the second bearing seat 13.8, the second bearing seat 13.7 is connected with the second bearing seat 13.8 in a sliding fit manner, the fixed base 13.1 of the center frame 13 is fixedly connected with the guide rail 6, the grinding head rod 4 is in sliding fit connection with a first supporting bearing 13.6 and a second supporting bearing 13.7 of the center frame 13, a pair of active rotary riding wheels 7 and a pair of passive rotary riding wheels 10 are sequentially arranged on the moving platform 12 from front to back, the active rotary riding wheels 7 and the passive rotary riding wheels 10 are fixedly connected with the moving platform 12, two identical parallel guide rails 6 are arranged at the front end of the supporting platform 9, the guide rail 6 is fixedly connected with the supporting platform 9, the two identical parallel guide rails 6 are provided with a moving and lifting platform 3, four identical idler wheels 11 are arranged at the bottom of the moving and lifting platform 3, the four identical idler wheels 11 are respectively in rolling connection with the guide rail 6, the top of the moving and lifting platform 3 is provided with a gearbox 2, the gearbox 2 is fixedly connected with the movable and lifting platform 3, an output shaft at the front end of the gearbox 2 is fixedly connected with the polishing head rod 4, an input shaft at the rear end of the gearbox 2 is fixedly connected with the motor 1, the polishing head 5 is arranged at the front end of the polishing head rod 4, the polishing head 5 is detachably connected with the polishing head rod 4, the centers of the pair of active rotary riding wheels 7 and the pair of passive rotary riding wheels 10 coincide with the center of the polishing head rod 4, the flexible shafts 4.5 are made of nylon or polytetrafluoroethylene, the polishing head 5 is a grinding wheel or a steel wire brush, the movable and lifting platform 3 is connected by a steel wire rope 14, the steel wire rope 14 is respectively connected with a first steel wire rope drum and a motor 15 and a second steel wire rope drum and a motor 16, and the first steel wire rope drum and the motor 15 and the second steel wire rope drum and the motor 16 provide power to drive the movable and lifting platform 3 to reciprocate on the guide rail 6.
The working process of the special repairing and grinding tool for the inner wall repairing station of the ultra-long pipe comprises the following steps:
as shown in figure 1, an ultra-long tube workpiece 8 is placed between a pair of active rotation riding wheels 7 and a pair of passive rotation riding wheels 10, the ultra-long tube workpiece 8 is respectively contacted with the active rotation riding wheels 7 and the passive rotation riding wheels 10, the pair of active rotation riding wheels 7 and the pair of passive rotation riding wheels 10 support the ultra-long tube workpiece 8, the height of a moving and lifting platform 3 is adjusted, the ultra-long tube workpiece 8 is ensured to be coaxial with a grinding head rod 4, the grinding head 5 is a grinding wheel or a steel wire brush, the active rotation riding wheels 7 are started to rotate, the ultra-long tube workpiece 8 uniformly rotates on the pair of active rotation riding wheels 7 and the pair of passive rotation riding wheels 10, then a motor 1 is started, an output gear shaft of a gearbox 2 drives a driven gear 4.1, the grinding head rod 4 uniformly rotates, and the moving and lifting platform 3 is started, the roller 11 of the movable and lifting platform 3 moves linearly along the guide rail 6 in a reciprocating manner, the polishing head 5 is in contact with the inner wall of the ultra-long tube workpiece 8, defects such as bubbles, internal folds, scratches, pressing pits and the like contained in the inner wall are removed, as the polishing head rod 4 goes deep in the ultra-long tube workpiece 8, the polishing head rod 4 is large in deflection under the action of gravity, at the moment, the flexible shaft 4.5 is large in plastic deformation, under the interaction of the polishing head 5 and the inner wall of the ultra-long tube workpiece 8, the polishing head connecting shaft 4.3 acts on the flexible shaft 4.5, the flexible shaft 4.5 deforms plastically, and the polishing head connecting shaft 4.3 floats, so that the polishing head 5 and the inner wall of the ultra-long tube workpiece 8 are guaranteed to be concentric in real time, after the repair of the inner wall of the ultra-long tube workpiece is completed, the movable and lifting platform 3, the motor 1 and the active rotation riding wheel 7 are closed in sequence, and finally, the ultra-long tube workpiece 8 is removed.
The utility model is a combined utility model, the used electrical device elements and mechanical parts are all commercial products, the prior art is comprehensively adopted for organic combination and innovation, and the elements of the prior art are adopted for: the utility model aims at achieving the purposes and effects of the utility model by combining a motor, a gearbox, a moving and lifting platform, a coping rod, a coping head, a guide rail, an active rotating riding wheel, a supporting platform, a passive rotating riding wheel, a center frame and a moving platform, and ensuring that the defects of bubbles, internal folds, scratches, press pits and the like contained in the inner wall of an ultra-long tube are removed.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the utility model, which are intended to be comprehended within the scope of the utility model.
Claims (8)
1. A special repairing and grinding tool for an inner wall repairing station of an ultra-long pipe comprises: the automatic transmission device is characterized in that the supporting platform (9) is provided with the moving platform (12), the moving platform (12) is detachably connected with the supporting platform (9), the moving platform (12) is sequentially provided with a pair of active rotating riding wheels (7) and a pair of passive rotating riding wheels (10) from front to back on the moving platform (12), the active rotating riding wheels (7) and the passive rotating riding wheels (10) are fixedly connected with the moving platform (12), the front end of the supporting platform (9) is provided with two guide rails (6) which are parallel to each other, the guide rails (6) are fixedly connected with the supporting platform (9), the two guide rails (6) which are parallel to each other are provided with the moving and lifting platform (3), the bottom of the moving platform (12) is provided with four identical guide rails (11), the four guide rails (6) which are parallel to each other are fixedly connected with the moving platform (3) and the top of the moving platform (2), the front end output shaft of the gearbox (2) is fixedly connected with the polishing head rod (4), the rear end input shaft of the gearbox (2) is fixedly connected with the motor (1), the polishing head (5) is arranged at the front end of the polishing head rod (4), the polishing head (5) is detachably connected with the polishing head rod (4), and the centers of the pair of driving rotary riding wheels (7) and the pair of driven rotary riding wheels (10) coincide with the center of the polishing head rod (4).
2. The special repairing and grinding tool for the inner wall repairing station of the ultra-long pipe according to claim 1, which is characterized by further comprising: the center frame (13) is arranged on the guide rail (6) between the moving and lifting platform (3) and the supporting platform (9), the center frame (13) is fixedly connected with the guide rail (6), and the center frame (13) is connected with the coping rod (4) in a sliding fit manner.
3. The special repairing and grinding tool for the inner wall repairing station of the ultra-long pipe according to claim 2, wherein the center frame (13) comprises: unable adjustment base (13.1), T type lead screw (13.2), supporting seat (13.3), rubber pad (13.4), first bearing frame (13.5), first supporting bearing (13.6), second supporting bearing (13.7), second bearing frame (13.8) unable adjustment base (13.1) on set up T type screw hole, T type lead screw (13.2) be connected with the T type screw hole of unable adjustment base (13.1), T type lead screw (13.2) upper end and supporting seat (13.3) fixed connection supporting seat (13.3) on set up first bearing frame (13.5) and second bearing frame (13.8) side by side first bearing frame (13.5) and second bearing frame (13.8) and supporting seat (13.3) between set up rubber pad (13.4) first bearing frame (13.5) on set up first supporting bearing frame (13.6), first supporting bearing frame (13.6) and first bearing frame (13.5) are connected with first bearing frame (13.8) sliding fit second bearing frame (13.8) on sliding fit second bearing frame (13.8).
4. The special coping appliance for the extra-long pipe inner wall repairing station according to claim 1, wherein the coping head rod (4) comprises: driven gear connecting shaft (4.2), coping connecting shaft (4.3), drum (4.4), flexible axle (4.5), front transparent cover (4.6), front end bearing (4.7), connecting pin (4.8), aligning bearing (4.9), nylon cover (4.10), rear end bearing (4.13), rear transparent cover (4.14), setting up front end bearing (4.7) and rear end bearing (4.13) respectively in the front and rear end of drum (4.4), the outer ring of front end bearing (4.7) and rear end bearing (4.13) respectively with drum (4.4) hole fit connection, the front end of drum (4.4) sets up front transparent cover (4.6), the inner surface of front transparent cover (4.6) is connected with the outer terminal surface of front end bearing (4.7), sets up the coping connecting shaft (4.3) in front end bearing (4.7), the coping connecting shaft (4.3) and front end bearing (4.7) are connected with the front end of drum (4.6) through the inner ring (4.4.4), the front end bearing (4.6) is connected with the front end of the front end bearing (4.6), the front end (4.6) is connected with the front end of the front end bearing (4.4.6), the novel self-aligning grinding device is characterized in that a driven gear connecting shaft (4.2) is arranged in a rear end bearing (4.13), the driven gear connecting shaft (4.2) is connected with an inner ring of the rear end bearing (4.13) in a matched manner, a through hole is formed in the center of a rear through cover (4.14), the driven gear connecting shaft (4.2) penetrates through the center through hole of the rear through cover (4.14), the rear through cover (4.14) is detachably connected with a cylinder (4.4), a group of nylon sleeves (4.10) are arranged in the cylinder (4.4), aligning bearings (4.9) are respectively arranged in a group of nylon sleeves (4.10), the cylinder (4.4) are in clearance fit with the nylon sleeves (4.10), the nylon sleeves (4.10) are in interference fit with the aligning bearings (4.9), a group of flexible shafts (4.5) are arranged in the aligning bearings, a group of flexible shafts (4.9) are in clearance fit with the aligning bearings, and are connected with a shaft head (4.5) through the flexible shafts (4.5) in a clearance fit manner, and the front of the flexible shafts (4.5) are connected with the shaft heads (4.5) through the pin shafts (4.5).
5. A special repairing and grinding tool for an inner wall repairing station of an ultra-long tube according to claim 1, 2 or 3, wherein the repairing and grinding head (5) is a grinding wheel or a wire brush.
6. The special repairing and grinding tool for the inner wall repairing station of the ultra-long pipe according to claim 4, which is characterized by further comprising: the positioning sleeve (4.11) is arranged on the flexible shaft (4.5), the positioning sleeves (4.11) are respectively arranged on the front side and the rear side of the aligning bearing (4.9), and the positioning sleeves (4.11) are connected with the flexible shaft (4.5) in a clearance fit manner.
7. The special repairing and grinding tool for the inner wall repairing station of the ultra-long tube according to claim 4 or 6, wherein the flexible shaft (4.5) is made of ABS, nylon or polytetrafluoroethylene.
8. The special repairing and grinding tool for the inner wall repairing station of the ultra-long pipe according to claim 1, wherein the motor (1) is a variable-frequency speed-regulating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222955610.XU CN219521501U (en) | 2022-11-07 | 2022-11-07 | Special coping utensil of overlength pipe inner wall restoration station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222955610.XU CN219521501U (en) | 2022-11-07 | 2022-11-07 | Special coping utensil of overlength pipe inner wall restoration station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219521501U true CN219521501U (en) | 2023-08-15 |
Family
ID=87631321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222955610.XU Active CN219521501U (en) | 2022-11-07 | 2022-11-07 | Special coping utensil of overlength pipe inner wall restoration station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219521501U (en) |
-
2022
- 2022-11-07 CN CN202222955610.XU patent/CN219521501U/en active Active
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