CN106938512B - Device for removing annular bulge flanging at welding seam in polyethylene pipeline - Google Patents
Device for removing annular bulge flanging at welding seam in polyethylene pipeline Download PDFInfo
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- CN106938512B CN106938512B CN201710203192.XA CN201710203192A CN106938512B CN 106938512 B CN106938512 B CN 106938512B CN 201710203192 A CN201710203192 A CN 201710203192A CN 106938512 B CN106938512 B CN 106938512B
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- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
- B29C37/04—Deburring or deflashing of welded articles, e.g. deburring or deflashing in combination with welding
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of welding tools, in particular to a cutting device for annular raised flanging at a welding line position inside a polyethylene pipeline, which comprises a center rod, elastic centering brackets, a fixed seat, a connecting seat, cutting components and elastic supporting seats, wherein at least two elastic centering brackets are distributed at intervals along the left and right direction on the outer side of the center rod, the fixed seat and the elastic supporting seats are arranged between the two elastic centering brackets, one end of the fixed seat is fixed with the center rod, the other end of the fixed seat is hinged with one end of the connecting seat, and the other end of the connecting seat is fixedly provided with the cutting components which can realize nondestructive operation on the annular raised flanging at the welding line position inside the polyethylene pipeline. According to the invention, the annular bulge flanging at the welding seam in the polyethylene pipeline can be removed through the elastic centering support, the removing assembly and the elastic supporting seat, the removing position is accurate, the pipe is not easy to damage, and therefore, the smooth performance of repair engineering construction of inserting the HDPE pipe into the steel pipe can be ensured.
Description
Technical Field
The invention relates to the technical field of polyethylene pipeline welding tools, in particular to a device for removing annular bulge flanging at a welding line in a polyethylene pipeline.
Background
Is short for high density polyethylene, and HDPE pipe is also called polyethylene pipe. In the repair engineering construction of inserting the HDPE pipe into the steel pipe, a circle of annular raised flanging is formed at the inner welding seam of the HDPE pipe when the HDPE pipe is welded, and the annular raised flanging is approximately 5mm to 15mm higher than the inner surface of the pipe. Because oil field oil pipeline can contain silt, some still can wax, lead to the owner to worry that inside lining HDPE pipeline can appear easily sticking and pile up silt and oily wax in the welding seam department that locates the HDPE pipe in the operation in-process to influence pipeline normal operating. Therefore, owners propose that annular raised flanging at the inner weld joint of the HDPE pipe needs to be removed, so that hidden danger caused by the weld joint is eliminated, and better operation of the pipeline is ensured. However, since the length of a single pipe is generally more than 10m, the welded junction is far away from the pipe orifice after the pipe is welded, and people cannot reach the welded junction, no suitable device in the prior art can finish the operation of cutting the welding seam, and the pipe cannot be ensured not to be damaged while the welding seam is cut.
Disclosure of Invention
The invention provides a device for removing annular raised flanges at inner weld joints of a polyethylene pipeline, which overcomes the defects of the prior art, can effectively solve the problems that the annular raised flanges exist at the inner weld joints of the existing polyethylene pipeline, and the weld joints of the pipe are removed without damaging any suitable tool, and can further solve the problems that sediment and oil wax are easily stuck and accumulated to affect the normal operation of the pipeline.
The technical scheme of the invention is realized by the following measures: the utility model provides a device of cutting off of annular protruding turn-ups of inside welding seam department of polyethylene pipeline, including the center pole, the elasticity centering support, the fixing base, the connecting seat, cut subassembly and elastic support seat, there are two at least elasticity centering supports along controlling to the interval distribution in the outside of center pole, be equipped with fixing base and elastic support seat between two wherein elasticity centering supports, the one end of fixing base is together fixed with the center pole, the other end of fixing base is in the same place with the one end of connecting seat articulated, be fixed with on the other end of connecting seat and can realize the subassembly of cutting off of harmless operation to the annular protruding turn-ups of the inside welding seam department of polyethylene pipeline, the one end of elastic support seat is in the same place with the center pole articulated, the other end of elastic support seat is in the same place with the middle part articulated of connecting seat.
The following are further optimizations and/or improvements to the above-described inventive solution:
the cutting assembly comprises a cutter holder, a rotating shaft, a cutter body, a planing tool and a power transmission assembly, wherein two cutter holders which are distributed at left and right intervals are fixed on a connecting seat, each cutter holder comprises a semicircular part positioned at the outer end and a connecting part positioned at the inner end, the semicircular part and the connecting part are integrally arranged, the cutter body which can rotate along with the rotating shaft is arranged between the two cutter holders through the rotating shaft coaxial with the semicircular part, the planing tool is fixedly arranged on the cutter body, the distance from the cutting edge of the planing tool to the axis of the rotating shaft is called the cutting radius, the cutting radius is smaller than the radius of the semicircular part, and the power transmission assembly which can drive the rotating shaft to rotate is fixedly arranged on the connecting seat.
The difference between the radius of the semicircular portion and the cut-off radius may be between 0.5mm and 1.5 mm.
The power transmission assembly can comprise a power output device and a power transmission device, wherein the power transmission device comprises a driving wheel, a driven wheel and a conveying belt, the left end of the rotating shaft penetrates through the left cutter seat and is fixedly provided with the driven wheel, the power output device is fixedly arranged on the connecting seat, the power output shaft of the power output device is fixedly provided with the driving wheel corresponding to the driven wheel in position, and the conveying belt is arranged between the driving wheel and the driven wheel.
The connecting seat can comprise rib plates and two connecting plates which are distributed at intervals left and right, at least one rib plate is distributed along the length direction of the connecting plates, two ends of each rib plate are respectively fixed with the corresponding connecting plates, the upper end of each connecting plate is fixed with the corresponding connecting part, the lower end of each connecting plate is hinged with the fixing seat at the corresponding position, and the middle part of each connecting plate is hinged with the outer end of the corresponding elastic supporting seat.
The elastic centering support can comprise a centering ring sleeve, a centering bearing and a centering elastic telescopic rod, wherein the centering ring sleeve is sleeved on the outer side of a center rod at a corresponding position, the centering bearing is arranged between the center rod and the centering ring sleeve, and at least three centering elastic telescopic rods are circumferentially distributed at intervals on the outer side of the centering ring sleeve.
The centering elastic telescopic rod can comprise a centering outer sleeve, a centering spring and a centering movable rod, one end of the centering outer sleeve is fixed with the outer side of the centering annular sleeve, the other end of the centering outer sleeve is provided with a centering opening communicated with the inner cavity of the centering outer sleeve, a centering piston capable of sliding along the inner cavity of the centering outer sleeve is sleeved in the centering outer sleeve, a compressed centering spring is arranged between the inner side surface of the centering piston and the bottom end of the centering outer sleeve, the outer side surface of the centering piston is fixedly provided with the centering movable rod, the other end of the centering movable rod penetrates through the outer side of the centering opening, and the inner side of the centering opening is fixedly provided with a centering limiting part which is positioned at the outer side of the centering movable rod and can prevent the centering piston from sliding.
The outer end of each centering elastic telescopic rod can be provided with a pulley, and the rotation axis of the pulley is perpendicular to the axis of the central tube.
The elastic supporting seat can comprise a supporting ring sleeve, supporting bearings and supporting elastic telescopic rods, wherein the supporting ring sleeve is sleeved on the outer side of the central rod at the corresponding position, the supporting bearings are arranged between the central rod and the supporting ring sleeve, the supporting elastic telescopic rods are fixed on the outer side of the supporting ring sleeve, and the outer ends of the supporting elastic telescopic rods are hinged with the middle of the connecting seat.
The elastic telescopic rod can comprise a supporting outer sleeve, a supporting spring and a supporting movable rod, one end of the supporting outer sleeve is fixed with the outer side of the supporting ring sleeve, the other end of the supporting outer sleeve is provided with a supporting opening communicated with the inner cavity of the supporting outer sleeve, a supporting piston capable of sliding along the inner cavity of the supporting outer sleeve is sleeved in the supporting outer sleeve, a compressed supporting spring is arranged between the inner side surface of the supporting piston and the bottom end of the supporting outer sleeve, the supporting movable rod with the other end penetrating out of the supporting opening is fixed on the outer side surface of the supporting piston, a supporting limiting part which is positioned at the outer side of the supporting movable rod and can prevent the supporting piston from sliding is fixed at the inner side of the supporting opening, and the outer end of the supporting movable rod is hinged with the middle part of the connecting seat.
The right end of the center rod can be fixedly provided with a flexible plugging plate.
The left end of the center rod can be fixed with a rocker arm which can drive the center rod to rotate.
The distance between every two adjacent elastic centering brackets can be 3m to 4 m.
The invention has reasonable and compact structure, can realize the cutting operation of annular bulge flanging at the welding seam in the polyethylene pipeline through the elastic centering bracket, the cutting assembly and the elastic supporting seat, has accurate cutting position and is not easy to damage the pipe, thereby ensuring the smooth performance of repair engineering construction of inserting the HDPE pipe into the steel pipe; the flexible plugging plate can plug the shavings, prevent the shavings from splashing everywhere, and after the weld joint is cut off, the central rod is pulled to drive the flexible plugging plate to move outwards, so that the shavings are all taken out, the problems that sediment and oil wax are easily stuck and accumulated and normal operation of a pipeline is affected are solved, and the device has the characteristics of simplicity in operation, convenience in use, time saving and high efficiency.
Drawings
Fig. 1 is a schematic cross-sectional front view of a preferred embodiment of the present invention in an operating state.
Fig. 2 is a schematic view of a partial enlarged structure at B of fig. 1.
Fig. 3 is a schematic view of the partial enlarged structure at C of fig. 1.
Fig. 4 is a schematic cross-sectional view of the structure at A-A of fig. 1.
Fig. 5 is a schematic view of the partial enlarged structure of fig. 4 at D.
The codes in the drawings are respectively: 1 is a center rod, 2 is a fixed seat, 3 is a rotating shaft, 4 is a cutter body, 5 is a planing tool, 6 is a semicircular part, 7 is a connecting part, 8 is a rib plate, 9 is a connecting plate, 10 is a power output device, 11 is a driving wheel, 12 is a driven wheel, 13 is a conveying belt, 14 is a centering ring sleeve, 15 is a centering outer sleeve, 16 is a centering spring, 17 is a centering movable rod, 18 is a centering piston, 19 is a pulley, 20 is a supporting ring sleeve, 21 is a supporting outer sleeve, 22 is a supporting spring, 23 is a supporting movable rod, 24 is a supporting piston, 25 is a flexible blocking plate, 26 is a rocker arm, 27 is a polyethylene pipeline, and 28 is an annular raised flanging.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to examples and figures:
as shown in fig. 1, 2, 3, 4 and 5, the device for removing the annular raised flange at the welding seam in the polyethylene pipeline comprises a central rod 1, elastic centering brackets, a fixing seat 2, a connecting seat, a removing component and an elastic supporting seat, wherein at least two elastic centering brackets are distributed at intervals along the left and right direction on the outer side of the central rod 1, a fixing seat 2 and the elastic supporting seat are arranged between the two elastic centering brackets, one end of the fixing seat 2 is fixed with the central rod 1, the other end of the fixing seat 2 is hinged with one end of the connecting seat, the other end of the connecting seat is fixed with the removing component which can realize nondestructive operation on the annular raised flange 28 at the welding seam in the polyethylene pipeline 27, one end of the elastic supporting seat is hinged with the central rod 1, and the other end of the elastic supporting seat is hinged with the middle part of the connecting seat. In the use process, the invention is placed in the polyethylene pipeline 27 to be processed, the cutting assembly is positioned near the annular raised flanging 28 to be cut through position adjustment, then the cutting assembly can be driven to rotate around the axis of the central rod 1 by rotating the central rod 1, so that the cutting operation of the annular raised flanging 28 at the welding seam in the polyethylene pipeline 27 is realized, and in the use process, the specific position of the cutting assembly is required to be adjusted by moving the position of the central rod 1, so that the nondestructive cutting operation of the annular raised flanging 28 is realized; in this process, the connection base can be supported by the elastic support base, and the cutting assembly can be ensured to be always attached to the inner wall of the polyethylene pipe 27. The invention can realize the cutting operation of the annular raised flanging 28 at the welding seam in the polyethylene pipeline 27 through the elastic centering bracket, the cutting assembly and the elastic supporting seat, and the cutting position is accurate and the pipe is not easy to damage, thereby ensuring better operation of repairing the process pipeline by inserting the HDPE pipe into the steel pipe, and having the characteristics of simple operation, convenient use, time saving and high efficiency. The central rod 1 may be a hollow rod or a solid rod, as desired.
The device for removing the annular bulge flanging at the inner weld joint of the polyethylene pipeline can be further optimized or/and improved according to actual needs:
as shown in fig. 1, 2, 3, 4 and 5, the cutting assembly comprises a cutter holder, a rotating shaft 3, a cutter body 4, a planing tool 5 and a power transmission assembly, two cutter holders which are distributed left and right at intervals are fixed on the connecting seat, each cutter holder comprises a semicircular part 6 positioned at the outer end and a connecting part 7 positioned at the inner end, the semicircular part 6 and the connecting part 7 are integrally arranged, the cutter body 4 which can rotate along with the rotating shaft 3 is arranged between the two cutter holders through the rotating shaft 3 coaxial with the semicircular part 6, the planing tool 5 is fixedly arranged on the cutter body 4, the distance from the cutting edge of the planing tool 5 to the axis of the rotating shaft 3 is called the cutting radius, the cutting radius is smaller than the radius of the semicircular part 6, and the power transmission assembly which can drive the rotating shaft 3 to rotate is fixedly arranged on the connecting seat. Therefore, the cutting operation of the annular bulge flanging 28 in the polyethylene pipeline 27 can be realized through the cutting assembly, and the cutting radius is smaller than the radius of the semicircular part 6, so that the inner wall of the polyethylene pipeline 27 can be effectively prevented from being damaged in the process, and the use process is specifically as follows: the planing tool 5 can be abutted against the annular raised flanging 28 and the tool apron is suspended by adjusting the position of the center rod 1, then the planing tool 5 can be rotated to enable the raised annular raised flanging 28 to be chipped off by the planing tool 5, in the process, the semicircular part 6 gradually approaches the inner wall of the polyethylene pipeline 27 under the action of the elastic supporting seat until the semicircular part 6 is abutted against the inner wall of the polyethylene pipeline 27, and the chippings of the annular raised flanging 28 can be finished; when the annular raised flanging 28 is wider and the tool apron cannot be suspended, the annular raised flanging 28 can be removed layer by moving the center rod 1 left and right until the semicircular part 6 can be abutted against the inner wall of the polyethylene pipeline 27. Other known tools for performing the cutting operation may be used for the planing tool 5, as desired.
As shown in fig. 1, 2, 3, 4 and 5, the difference between the radius of the semicircular portion 6 and the cut-off radius is between 0.5mm and 1.5 mm. This ensures that the inner wall of the polyethylene pipe 27 is not damaged during the shaving operation by the planing tool 5, and also provides a good shaving effect by the annular raised flange 28.
As shown in fig. 1, 2, 3, 4 and 5, the power transmission assembly comprises a power output device 10 and a power transmission device, the power transmission device comprises a driving wheel 11, a driven wheel 12 and a conveyor belt 13, the left end of the rotating shaft 3 penetrates through the left tool apron and is fixed with the driven wheel 12, the power output device 10 is fixed on a connecting seat, the driving wheel 11 corresponding to the driven wheel 12 in position is fixed on a power output shaft of the power output device 10, and the conveyor belt 13 is arranged between the driving wheel 11 and the driven wheel 12. The power take-off 10 may employ known techniques such as electric machines, motors, engines, etc., as desired; when the power output device 10 is connected with connecting wires such as electric wires or hydraulic pipelines, the connecting seat, the fixing seat 2 and the central rod 1 can all comprise hollow inner cavities, and process holes are formed at the connecting positions of the connecting seat, the fixing seat 2 and the central rod 1, so that the connecting wires can be conveniently penetrated out of the connecting seat, the fixing seat 2 and the central rod 1 in sequence through the process holes.
As shown in fig. 1, 2, 3, 4 and 5, the connecting seat comprises rib plates 8 and two connecting plates 9 which are distributed at intervals left and right, at least one rib plate 8 is distributed along the length direction of each connecting plate 9, two ends of each rib plate 8 are respectively fixed with the corresponding connecting plate 9, the upper end of each connecting plate 9 is fixed with the corresponding connecting part 7, the lower end of each connecting plate 9 is hinged with the fixing seat 2 at the corresponding position, and the middle part of each connecting plate 9 is hinged with the outer end of the corresponding elastic supporting seat. Therefore, the installation is more convenient and labor-saving, and the production cost can be saved. The power take-off 10 may be fixed at any position of the connection base according to the need.
As shown in fig. 1, 2, 3, 4 and 5, the elastic centering bracket comprises a centering ring sleeve 14, a centering bearing and a centering elastic telescopic rod, wherein the centering ring sleeve 14 is sleeved on the outer side of the center rod 1 at a corresponding position, the centering bearing is arranged between the center rod 1 and the centering ring sleeve 14, and at least three centering elastic telescopic rods are circumferentially and alternately distributed on the outer side of the centering ring sleeve 14. Four centering elastic telescopic rods can be uniformly distributed on the outer side of the centering ring sleeve 14 along the circumference according to requirements. In the use process, the outer end of each centering elastic telescopic rod is propped against the inner wall of the polyethylene pipeline 27, and the automatic centering operation of the central rod 1 and the axis of the polyethylene pipeline 27 to be treated can be realized through the elastic centering support, so that the accurate cutting operation of the annular raised flanging 28 of the inner welding seam of the polyethylene pipeline 27 by the cutting assembly is facilitated.
As shown in fig. 1, 2, 3, 4 and 5, the centering elastic telescopic rod comprises a centering outer sleeve 15, a centering spring 16 and a centering movable rod 17, one end of the centering outer sleeve 15 is fixed with the outer side of the centering annular sleeve 14, the other end of the centering outer sleeve 15 is provided with a centering opening communicated with the inner cavity of the centering outer sleeve 15, the centering outer sleeve 15 is sleeved with a centering piston 18 capable of sliding along the inner cavity of the centering outer sleeve 15, a compressed centering spring 16 is arranged between the inner side surface of the centering piston 18 and the bottom end of the centering outer sleeve 15, the outer side surface of the centering piston 18 is fixed with the centering movable rod 17, the other end of the centering movable rod 17 penetrates out of the centering opening, and the inner side of the centering opening is fixed with a centering limiting component which is positioned at the outer side of the centering movable rod 17 and can prevent the centering piston 18 from sliding. The limiting component can be a limiting ring, at least two limiting blocks distributed at intervals along the circumference, or other existing known technologies.
As shown in fig. 1, 2, 3, 4 and 5, the outer end of each centering elastic telescopic rod is provided with a pulley 19, and the rotation axis of the pulley 19 is perpendicular to the axis of the central tube 1. This facilitates the user to easily and easily push the present invention so that the present invention slides in the axial direction within the polyethylene pipe 27.
As shown in fig. 1, 2, 3, 4 and 5, the elastic support base comprises a support ring sleeve 20, a support bearing and a support elastic telescopic rod, wherein the support ring sleeve 20 is sleeved on the outer side of the center rod 1 at a corresponding position, the support bearing is arranged between the center rod 1 and the support ring sleeve 20, the support elastic telescopic rod is fixed on the outer side of the support ring sleeve 20, and the outer end of the support elastic telescopic rod is hinged with the middle part of the connecting base. Therefore, the elastic support seat can provide elastic support for the connecting seat, so that the semicircular part 6 can always abut against the inner wall of the polyethylene pipe 27 or the annular raised flange 28.
As shown in fig. 1, 2, 3, 4 and 5, the support elastic telescopic rod comprises a support outer sleeve 21, a support spring 22 and a support movable rod 23, one end of the support outer sleeve 21 is fixed with the outer side of the support ring sleeve 20, the other end of the support outer sleeve 21 is provided with a support opening communicated with the inner cavity of the support outer sleeve 21, a support piston 24 capable of sliding along the inner cavity of the support outer sleeve 21 is sleeved in the support outer sleeve 21, a compressed support spring 22 is arranged between the inner side surface of the support piston 24 and the bottom end of the support outer sleeve 21, the outer side surface of the support piston 24 is fixed with the support movable rod 23, the other end of the support movable rod 23 penetrates out of the support opening, the inner side of the support opening is fixed with a support limiting part which is positioned at the outer side of the support movable rod 23 and can prevent the support piston 24 from sliding, and the outer end of the support movable rod 23 is hinged with the middle part of the connecting seat. Thereby realizing the elastic telescoping process of supporting the elastic telescoping rod. The limiting component can be a limiting ring, at least two limiting blocks distributed at intervals along the circumference, or other existing known technologies.
As shown in fig. 1, 2, 3, 4 and 5, a flexible plugging plate 25 is fixedly mounted on the right end of the central rod 1. The flexible blanking-off plate 25 and the polyethylene pipe 27 may be in a clearance fit, as desired. When the flexible plugging plate 25 is used, the shavings can be plugged, the shavings are prevented from splashing everywhere, after the annular bulge flanging 28 is removed, the central rod 1 is pulled to drive the flexible plugging plate 25 to move outwards, so that the shavings are all taken out, and the problems that sediment and oil wax are easily accumulated in a sticking manner and normal operation of a pipeline is affected are solved.
As shown in fig. 1, 2, 3, 4 and 5, a rocker arm 26 capable of driving the center rod 1 to rotate is fixed at the left end of the center rod 1. Whereby a turning operation of the center rod 1 can be achieved by means of the rocker arm 26.
The distance between every two adjacent elastic centering brackets is 3m to 4m according to the requirement. This ensures good centering of the elastic centering support.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (10)
1. The utility model provides a device for removing annular bulge flanging at internal weld joint of polyethylene pipeline, which is characterized by comprising a center rod, elastic centering brackets, a fixed seat, a connecting seat, a removing component and an elastic supporting seat, wherein at least two elastic centering brackets are distributed at intervals along the left and right direction at the outer side of the center rod, the fixed seat and the elastic supporting seat are arranged between the two elastic centering brackets, one end of the fixed seat is fixed with the center rod, the other end of the fixed seat is hinged with one end of the connecting seat, the other end of the connecting seat is fixed with the removing component which can realize nondestructive operation for annular bulge flanging at internal weld joint of polyethylene pipeline, one end of the elastic supporting seat is hinged with the center rod, the other end of the elastic supporting seat is hinged with the middle part of the connecting seat, the removing component comprises a cutter seat, a rotating shaft, a cutter body, a planing tool and a power transmission component, the connecting seat is fixedly provided with two tool holders which are distributed left and right at intervals, each tool holder comprises a semicircular part positioned at the outer end and a connecting part positioned at the inner end, the semicircular part and the connecting part are integrally arranged, a tool body which can rotate along with the rotating shaft is arranged between the two tool holders through a rotating shaft which is coaxial with the semicircular part, a planing tool is fixedly arranged on the tool body, the distance from the cutting edge of the planing tool to the axis of the rotating shaft is called as a cutting radius, the cutting radius is smaller than the radius of the semicircular part, the connecting seat is fixedly provided with a power transmission component which can drive the rotating shaft to rotate, the power transmission component comprises a power output device and a power transmission device, the power transmission device comprises a driving wheel, a driven wheel and a conveying belt, the left end of the rotating shaft penetrates through the left tool holder and is fixedly provided with the driven wheel, the power output device is fixedly arranged on the connecting seat, the power output shaft of the power output device is fixedly provided with the driving wheel corresponding to the position of the driven wheel, the connecting seat comprises rib plates and two connecting plates which are distributed at intervals left and right, at least one rib plate is distributed along the length direction of each rib plate, two ends of each rib plate are respectively fixed with corresponding connecting plates, the upper end of each connecting plate is fixed with corresponding connecting parts, the lower end of each connecting plate is hinged with a fixed seat at a corresponding position, and the middle part of each connecting plate is hinged with the outer end of a corresponding elastic supporting seat.
2. The device for removing the annular raised flange at the inner weld joint of the polyethylene pipe according to claim 1, wherein the difference between the radius of the semicircular part and the removed radius is 0.5mm to 1.5 mm.
3. The device for removing the annular raised flange at the inner welding seam of the polyethylene pipeline according to claim 1 or 2, wherein the elastic centering support comprises a centering ring sleeve, a centering bearing and a centering elastic telescopic rod, the centering ring sleeve is sleeved on the outer side of the center rod at a corresponding position, the centering bearing is arranged between the center rod and the centering ring sleeve, and at least three centering elastic telescopic rods are circumferentially distributed on the outer side of the centering ring sleeve at intervals.
4. The device for removing the annular raised flange at the inner welding seam of the polyethylene pipeline according to claim 3, wherein the centering elastic telescopic rod comprises a centering outer sleeve, a centering spring and a centering movable rod, one end of the centering outer sleeve is fixed with the outer side of the centering annular sleeve, the other end of the centering outer sleeve is provided with a centering opening communicated with the inner cavity of the centering outer sleeve, the centering outer sleeve is sleeved with a centering piston capable of sliding along the inner cavity of the centering outer sleeve, a compressed centering spring is arranged between the inner side surface of the centering piston and the bottom end of the centering outer sleeve, the outer side surface of the centering piston is fixedly provided with the centering movable rod, the other end of the centering movable rod penetrates out of the centering opening, and the inner side of the centering opening is fixedly provided with a centering limiting part which is positioned at the outer side of the centering movable rod and can prevent the centering piston from sliding.
5. The device for removing the annular raised flanges at the inner weld joint of the polyethylene pipeline according to claim 4, wherein the outer end of each centering elastic telescopic rod is provided with a pulley, and the rotation axis of the pulley is perpendicular to the axis of the central tube.
6. The device for removing the annular raised flanges at the inner weld joint of the polyethylene pipeline according to claim 1, 2, 4 or 5, wherein the elastic supporting seat comprises a supporting ring sleeve, a supporting bearing and a supporting elastic telescopic rod, the supporting ring sleeve is sleeved outside the central rod at the corresponding position, the supporting bearing is arranged between the central rod and the supporting ring sleeve, the supporting elastic telescopic rod is fixed on the outer side of the supporting ring sleeve, and the outer end of the supporting elastic telescopic rod is hinged with the middle part of the connecting seat.
7. The device for removing the annular raised flanges at the inner weld joints of the polyethylene pipelines according to claim 3, wherein the elastic supporting seat comprises a supporting ring sleeve, supporting bearings and supporting elastic telescopic rods, the supporting ring sleeve is sleeved outside the central rod at the corresponding position, the supporting bearings are arranged between the central rod and the supporting ring sleeve, the supporting elastic telescopic rods are fixed outside the supporting ring sleeve, and the outer ends of the supporting elastic telescopic rods are hinged with the middle parts of the connecting seats.
8. The device for removing the annular raised flange at the inner welding seam of the polyethylene pipeline according to claim 7, wherein the supporting elastic telescopic rod comprises a supporting outer sleeve, a supporting spring and a supporting movable rod, one end of the supporting outer sleeve is fixed with the outer side of the supporting annular sleeve, the other end of the supporting outer sleeve is provided with a supporting opening communicated with the inner cavity of the supporting outer sleeve, the supporting outer sleeve is sleeved with a supporting piston capable of sliding along the inner cavity of the supporting outer sleeve, a compressed supporting spring is arranged between the inner side surface of the supporting piston and the bottom end of the supporting outer sleeve, the outer side surface of the supporting piston is fixedly provided with the supporting movable rod, the other end of the supporting movable rod penetrates out of the supporting opening, the inner side of the supporting opening is fixedly provided with a supporting limiting part which is positioned at the outer side of the supporting movable rod and can prevent the supporting piston from sliding, and the outer end of the supporting movable rod is hinged with the middle part of the connecting seat.
9. The device for removing the annular bulge flanging at the inner weld joint of the polyethylene pipeline according to claim 1 or 2 or 4 or 5 or 7 or 8, wherein the right end of the central rod is fixedly provided with a flexible plugging plate; or/and, a rocker arm which can drive the center rod to rotate is fixed at the left end of the center rod; or/and, the spacing between every two adjacent elastic centering brackets is 3m to 4 m.
10. The device for removing the annular bulge flanging at the inner weld joint of the polyethylene pipeline according to claim 6, wherein the right end of the central rod is fixedly provided with a flexible plugging plate; or/and, a rocker arm which can drive the center rod to rotate is fixed at the left end of the center rod; or/and, the spacing between every two adjacent elastic centering brackets is 3m to 4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203192.XA CN106938512B (en) | 2017-03-30 | 2017-03-30 | Device for removing annular bulge flanging at welding seam in polyethylene pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203192.XA CN106938512B (en) | 2017-03-30 | 2017-03-30 | Device for removing annular bulge flanging at welding seam in polyethylene pipeline |
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| CN107968359B (en) * | 2017-12-28 | 2023-10-13 | 东风商用车有限公司 | Quick threading tool and use method thereof |
| CN113909897B (en) * | 2021-10-22 | 2023-01-13 | 中国一冶集团有限公司 | Welding device and welding method for supporting piece in box-type steel column |
| CN116690864B (en) * | 2023-08-07 | 2023-10-10 | 佛山市顺德区长园电力设备有限公司 | MPP power cable protection pipe joint welding protection device |
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