CN210848715U - Pipeline cutting auxiliary device - Google Patents
Pipeline cutting auxiliary device Download PDFInfo
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- CN210848715U CN210848715U CN201921679414.6U CN201921679414U CN210848715U CN 210848715 U CN210848715 U CN 210848715U CN 201921679414 U CN201921679414 U CN 201921679414U CN 210848715 U CN210848715 U CN 210848715U
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Abstract
The utility model relates to a pipeline cutting auxiliary device. The pipeline cutting auxiliary device comprises: the staple bolt, the staple bolt is equipped with the instrument mount pad including fixed hoop body and the activity hoop body, solid fixed ring, slip ring on the slip ring, and the slip encircles the axis direction assembly of solid fixed ring on solid fixed ring, all is equipped with the pipeline on solid fixed ring and the slip ring and dodges the mouth. Pipeline cutting auxiliary device can follow the radial holding of waiting to cut the pipeline and install on waiting to cut the outer peripheral face of pipeline, when the slip ring rotates for solid fixed ring, the slip ring is all the time with solid fixed ring cooperation, the cutting torch passes through the instrument mount pad and fixes to the slip ring, can realize through pipeline cutting auxiliary device that the cutting torch is around waiting to cut the circumferential motion of pipeline, the cutting torch can process the optional position of waiting to cut the pipeline through pipeline cutting auxiliary device, the problem of pipeline groove appurtenance among the prior art can only process the part that waits to cut the pipeline and is located the strong point outside has been solved.
Description
Technical Field
The utility model relates to a pipeline cutting auxiliary device.
Background
In the prior art, cutting nozzles such as a handheld oxyacetylene cutting nozzle or a plasma cutting nozzle are usually adopted to cut and bevel a pipeline, and the problems of low efficiency and poor cutting quality exist in manual cutting.
In the prior art, a magnetic wheel type cutting machine is arranged, and a magnetic wheel is adsorbed on a pipeline and moves circularly along the pipeline, so that a cutting nozzle is driven to realize automatic cutting. However, when cutting a threaded pipe, the magnetic wheel passes through the thread of the pipe to cause the cutting machine to undulate, thereby affecting the cutting quality. When the stainless steel pipeline is cut by adopting plasma, the magnetic wheel cannot be adsorbed on the surface of the stainless steel pipeline, so that the stainless steel pipeline cannot be used.
The utility model discloses a pipeline groove appurtenance is disclosed in the chinese utility model patent of the bulletin number of authorizing is CN202726259U, and the date of authorizing is 2013 year 02 month 13 days, and this appurtenance is including forming two rings of bearing complex, and the bearing inner race is fixed on treating the cutting pipeline, is equipped with on the bearing outer lane and supplies the fixed cutting torch fixing device of cutting torch, through the relative rotation of bearing inner race and bearing outer lane, realizes that the cutting torch is around the circumferential direction round of treating the processing pipeline, accomplishes the processing of treating the cutting pipeline.
However, the pipeline groove auxiliary tool can only be sleeved on the pipeline to be cut from the end of the pipeline to be cut, the pipeline to be cut is supported and placed through the pipeline supporting structure below the supporting point, and when the pipeline groove auxiliary tool is blocked by the pipeline supporting structure, the pipeline groove auxiliary tool cannot move continuously, so that the pipeline groove auxiliary tool can only machine the part, located outside the supporting point, of the pipeline to be cut.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline cutting auxiliary device for solve the pipeline groove appurtenance among the prior art and only can process the problem of waiting to cut the part that the pipeline is located the strong point outside.
In order to achieve the above object, the utility model discloses well pipeline cutting auxiliary device's technical scheme is: a pipeline cutting aid comprising:
the hoop comprises a fixed hoop body and a movable hoop body, and the movable hoop body can be opened and closed relative to the fixed hoop body so as to enable the hoop to be tightly held and fixed on the outer peripheral surface of the pipeline to be cut along the radial direction of the pipeline to be cut;
the fixing ring is fixed on a fixing hoop body of the hoop and is coaxially arranged with the hoop;
the corresponding circumferential angle of the sliding ring is larger than 180 degrees, and the sliding ring is provided with a tool mounting seat for fixedly mounting a cutting torch;
the sliding ring is assembled on the fixing ring in a guiding way around the axis of the fixing ring and is used for enabling the tool mounting seat and the cutting nozzle on the sliding ring to move along the circumference;
pipeline avoidance ports are formed in the fixed ring and the sliding ring and used for avoiding the pipeline to be cut so that the hoop is fixed to the pipeline to be cut along the radial direction of the pipeline to be cut;
the arc length that the slip ring corresponds is greater than the arc length that pipeline on the solid fixed ring dodges the mouth and corresponds for the slip ring can stride the pipeline on the solid fixed ring and dodge the mouth.
The utility model discloses well pipeline cutting auxiliary device's beneficial effect is: the fixed ring and the sliding ring are respectively provided with a pipeline avoidance opening for avoiding the pipeline to be cut, the hoop comprises a fixed hoop body and a movable hoop body which can be opened and closed, so that the pipeline cutting auxiliary device can be tightly held and arranged on the outer peripheral surface of the pipeline to be cut from the radial direction of the pipeline to be cut, namely, the pipeline cutting auxiliary device can be installed at any position of the pipeline to be cut without being limited by the pipeline supporting structure, the arc length corresponding to the sliding ring is longer than the arc length corresponding to the pipeline avoiding opening on the fixing ring, when the sliding ring rotates relative to the fixed ring, the sliding ring can be always matched with the fixed ring, the cutting nozzle is fixed on the sliding ring through the tool mounting seat, the cutting nozzle can move along the circumferential direction of the pipeline to be cut through the pipeline cutting auxiliary device, the cutting nozzle can process any position of the pipeline to be cut through the pipeline cutting auxiliary device, and the problem that the pipeline groove auxiliary tool in the prior art can only process the part, located on the outer side of the supporting point, of the pipeline to be cut is solved.
Furthermore, a connecting flange is arranged on the fixed hoop body, and the fixed ring is fixed on the connecting flange.
The novel fixing ring has the beneficial effects that the radial size of the fixing ring is reduced, and the weight of the device is favorably reduced.
Furthermore, a sliding lug is arranged on the radial inner side of the sliding ring, and a sliding groove matched with the sliding lug is arranged on the peripheral surface of the fixing ring;
the fixed ring comprises two monomers, and the sliding groove is formed by splicing the two monomers along the axial direction.
The steel ball type sliding block has the advantages that the guide fit is formed by the fit of the sliding convex block and the sliding groove, the sliding groove is formed by splicing the two single bodies along the axial direction to be filled with the sliding convex block, and compared with a steel ball type in the prior art, the steel ball type sliding block is low in machining precision requirement and convenient to manufacture.
Furthermore, the monomer passes through connecting bolt and forms solid fixed ring along the axis concatenation, connecting bolt constitutes the flange joint bolt who is used for connecting solid fixed hoop body and solid fixed ring.
The novel LED lamp has the beneficial effects of being convenient to process, disassemble and assemble.
Furthermore, the ascending one side in activity hoop body circumference articulates on the fixed hoop body, and the opposite side passes through hasp and fixed hoop body releasable connection in order to realize that the activity hoop body can open and shut for the fixed hoop body.
The novel hoop has the beneficial effects that only one end needs to be disassembled and assembled, so that the assembly is convenient, and the loss of the movable hoop body can be avoided.
Further, the tool mounting seat comprises a mounting rod, the mounting rod is fixed on the sliding ring in a mode of being parallel to the axis of the sliding ring, and a cutting nozzle clamp used for fixing a cutting nozzle is arranged on the mounting rod.
The cutting torch has the beneficial effects that the cutting torch and the hoop have a certain axial distance, so that interference is avoided.
Furthermore, the peripheral surface of the sliding ring is provided with transmission teeth;
the fixed hoop body is provided with a driving gear seat, the driving gear seat is provided with a transmission gear, and the transmission gear is meshed with transmission teeth on the sliding ring to drive the sliding ring to rotate; the pipeline cutting auxiliary device further comprises a gear driving structure, and the gear driving structure is used for driving the transmission gear to rotate.
The novel gear-driven sliding ring has the advantages that the sliding ring is controlled to rotate relative to the fixed ring through gear transmission, and the novel gear-driven sliding ring is convenient to operate.
Furthermore, the pipeline cutting auxiliary device also comprises an auxiliary gear, and the auxiliary gear is meshed with the transmission teeth on the sliding ring to drive the sliding ring to rotate; the arc length of the sliding ring corresponding to the interval between the auxiliary gear and the transmission gear is larger than the arc length corresponding to the pipeline avoidance port on the sliding ring.
The novel gear has the beneficial effects that the novel gear can be suitable for a form that the outer peripheral surface of the sliding ring is provided with a notch, and at least one gear is ensured to be matched with the transmission gear on the sliding ring.
Further, the transmission gear and the auxiliary gear act synchronously in a chain transmission mode.
The cutting torch has the advantages that the action requirement of the sliding ring can be met only by controlling one rotating shaft to rotate, the operation is convenient, and the uniform motion of the cutting torch is facilitated.
Further, the gear driving structure is a crank.
The manual control sliding wheel has the advantages that the manual control sliding wheel is used for manually controlling the rotation of the sliding wheel, the structure is simple, and the limitation of a driving device is avoided.
Drawings
Fig. 1 is a diagram illustrating a state of use of an embodiment 1 of the auxiliary device for cutting a pipeline according to the present invention;
FIG. 2 is a three-dimensional view of the cutting torch securing portion and the pipeline securing portion of FIG. 1;
fig. 3 is a schematic view illustrating the fitting of the fixing ring and the sliding ring in the embodiment 2 of the auxiliary device for pipeline cutting according to the present invention;
1. a slip ring; 2. a fixing ring; 21. monomer, 3, connecting bolt; 4. mounting a rod; 5. a cutting torch clamp; 6. cutting a nozzle; 7. a transmission gear; 7-1, an auxiliary gear; 8. a drive sprocket; 8-1, a driven sprocket; 9. a chain; 10. a crank; 11. a drive gear seat; 11-1, an auxiliary gear seat; 12. a fan-shaped wing plate; 13. a fixed hoop body; 14. a movable hoop body; 15. locking; 16. the pipeline to be cut.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses well pipeline cutting auxiliary device's embodiment 1, as shown in fig. 1 and fig. 2, pipeline cutting auxiliary device includes the staple bolt, and the staple bolt includes fixed hoop body 13, activity hoop body 14, hasp 15 and solid fixed ring 2, and fixed hoop body 13 is the arc steel sheet with activity hoop body 14, and its radian equals the external diameter of waiting to cut pipeline 16. Arc slips are arranged at two ends of the movable hoop body 14, and one of the arc slips is hinged on the fixed hoop body 13. The tip of fixed hoop body 13 is equipped with the hangers, and another arc slips passes through hasp 15 and realizes arc slips and fixed hoop body 13 releasable connection with the cooperation of hangers to it can open and shut for fixed hoop body 13 to realize activity hoop body 14. The lock catch 15 is a link mechanism type lock catch, and the structure of the lock catch is common in the prior art and is not described in detail. The fixed hoop body 13, the movable hoop body 14 and the arc slips together form an annular hoop, and the hoop is used for tightly holding and fixing the hoop on the outer peripheral surface of a pipeline to be cut.
The one end of fixed hoop body 13 is equipped with the fan-shaped pterygoid lamina 12 of the axis of perpendicular to staple bolt, and fan-shaped pterygoid lamina 12 passes through flange fixed connection with solid fixed ring 2, and connecting bolt 3 constitutes flange connecting bolt, gu fixed ring 2 sets up with the staple bolt is coaxial. The fixing ring 2 is of a double-layer structure and comprises two monomers 21 which are spliced along the axial direction, and the two monomers are fixedly connected through the connecting bolt 3. The outer peripheral surface of the fixing ring 2 is provided with a sliding groove, and the sliding groove is formed by splicing two monomers along the axial direction. The fixing ring is provided with a fixing ring avoiding port, the fixing ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, and the width of the fixing ring avoiding port is larger than the diameter of the pipeline 16 to be cut.
Pipeline cutting auxiliary device still includes slip ring 1 and instrument mount pad, and slip ring 1 is equipped on solid fixed ring 2 around solid fixed ring 2's axis direction, and the central angle that slip ring 1 and solid fixed ring 2 correspond respectively all is greater than 180, and concrete assembly form is: the radial inner side of the sliding ring 1 is provided with a sliding lug matched with the sliding groove, and the sliding groove is spliced along the axial direction so as to be provided for the sliding lug to be placed in. The slip ring avoidance port is arranged on the slip ring 1 and used for avoiding a pipeline to be cut along the radial direction, the width of the slip ring avoidance port is equal to that of the fixed ring avoidance port, the slip ring avoidance port and the fixed ring avoidance port are used for avoiding the pipeline to be cut so that the hoop is fixed to the pipeline to be cut along the radial direction of the pipeline to be cut, and the slip ring avoidance port and the fixed ring avoidance port form the pipeline avoidance port. The arc length that the slip ring corresponds is greater than the pipeline on the solid fixed ring and dodges the arc length that the mouth corresponds for the slip ring can stride across the pipeline on the solid fixed ring and dodge the mouth, is equipped with the driving tooth on the outer peripheral face of slip ring.
The tool mounting seat comprises a mounting rod and a cutting torch clamp, the mounting rod is fixed to the sliding ring in a mode parallel to the axis of the sliding ring, the cutting torch clamp comprises two split rings perpendicular to each other, one split ring is sleeved on the mounting rod, the other split ring is used for inserting a cutting torch, and two ends of the split rings are close to each other through bolts to clamp the corresponding mounting rod or the corresponding cutting torch.
A driving gear seat 11 and an auxiliary gear seat 11-1 are welded on the fixed hoop body, a transmission gear 7 is arranged on the driving gear seat 11, an auxiliary gear 7-1 is arranged on the auxiliary gear seat 11-1, the transmission gear 7 and the auxiliary gear 7-1 are both meshed with transmission teeth on the sliding ring 1 to drive the sliding ring 1 to rotate, and the arc length of the sliding ring 1 corresponding to the interval between the auxiliary gear 7-1 and the transmission gear 7 is larger than the arc length corresponding to a sliding ring avoiding opening on the sliding ring 1. A driving chain wheel 8 is fixed on the transmission gear 7, a driven chain wheel 8-1 is fixed on the auxiliary gear 7-1, and the driving chain wheel 8 and the driven chain wheel 8-1 form chain transmission through a chain 9. A crank is fixed on the transmission gear 7 and used for driving the transmission gear to rotate, and the crank forms a gear driving structure.
When the pipeline cutting auxiliary device is used, the lock catch 15 is opened, the hoop is opened, the sliding ring is rotated to enable the sliding ring avoiding port to correspond to the fixed ring avoiding port, the pipeline cutting auxiliary device is placed to the position to be machined of the pipeline to be cut along the radial direction of the pipeline to be cut, the hoop is closed, the lock catch is locked, and the hoop is clamped and fixed on the outer peripheral surface of the pipeline 16 to be cut. The cutting tip 6 is then mounted on the cutting tip holder 5, and the angle between the cutting tip 6 and the pipe 16 to be cut is adjusted to a preset value.
The cutting torch 6 is started and the crank handle 10 is manually rotated, the transmission gear 7 and the auxiliary gear 7-1 jointly drive the fixed part of the cutting torch to rotate along the axis of the fixed ring 2, so that the cutting torch 6 is driven to do circular motion around the pipeline 16 to be cut to cut or process a groove on the pipeline to be cut.
When the sliding ring avoidance opening rotates to the position of the transmission gear 7, the auxiliary gear 7-1 independently drives the sliding ring 1, when the sliding ring avoidance opening rotates to the position of the auxiliary gear 7-1, the transmission gear 7 independently drives the sliding ring 1, and the sliding ring 1 rotates for a circle without interruption caused by the existence of the sliding ring avoidance opening.
The utility model discloses a concrete embodiment 2, concrete embodiment 2's following structure is the same with the structure that corresponds in concrete embodiment 1: the pipeline cutting auxiliary device comprises a hoop, the hoop comprises a fixed hoop body, a movable hoop body, a lock catch and a fixing ring, the fixed hoop body and the movable hoop body are arc-shaped steel plates, and the radian of the arc-shaped steel plates is equal to the outer diameter of a pipeline to be cut. The two ends of the movable hoop body are provided with arc slips, and one of the arc slips is hinged on the fixed hoop body. The tip of the fixed hoop body is equipped with the hangers, and another arc slips passes through the hasp and realizes arc slips and fixed hoop body releasable connection with the cooperation of hangers to realize that the activity hoop body can open and shut for the fixed hoop body. The lock catch is a link mechanism type lock catch, and the structure of the lock catch is common in the prior art and is not described any more. The fixed hoop body, the movable hoop body and the arc-shaped slips are enclosed to form an annular hoop, and the hoop is used for tightly holding and fixing the hoop to the outer peripheral surface of a pipeline to be cut.
The one end of the fixed hoop body is provided with a fan-shaped wing plate perpendicular to the axis of the hoop, the fan-shaped wing plate is fixedly connected with the fixed ring through a flange, the connecting bolt forms a flange connecting bolt, and the fixed ring is coaxially arranged with the hoop. The fixing ring is provided with a fixing ring avoiding port, the fixing ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, and the width of the fixing ring avoiding port is larger than the diameter of the pipeline to be cut.
The pipeline cutting auxiliary device further comprises a sliding ring and a tool mounting seat, the sliding ring is assembled on the fixing ring in a guiding mode around the axis of the fixing ring, and the central angles corresponding to the sliding ring and the fixing ring are larger than 180 degrees.
The tool mounting seat comprises a mounting rod and a cutting torch clamp, the mounting rod is fixed to the sliding ring in a mode parallel to the axis of the sliding ring, the cutting torch clamp comprises two split rings perpendicular to each other, one split ring is sleeved on the mounting rod, the other split ring is used for inserting a cutting torch, and two ends of the split rings are close to each other through bolts to clamp the corresponding mounting rod or the corresponding cutting torch.
The fixed hoop body is welded with a driving gear seat and an auxiliary gear seat, the driving gear seat is provided with a transmission gear, the auxiliary gear seat is provided with an auxiliary gear, the transmission gear and the auxiliary gear are both meshed with transmission teeth on the sliding ring to drive the sliding ring to rotate, and the arc length of the sliding ring corresponding to the interval between the auxiliary gear and the transmission gear is larger than the arc length corresponding to the sliding ring avoiding opening on the sliding ring. A driving chain wheel is fixed on the transmission gear, a driven chain wheel is fixed on the auxiliary gear, and the driving chain wheel and the driven chain wheel form chain transmission through a chain. A crank is fixed on the transmission gear and used for driving the transmission gear to rotate, and the crank forms a gear driving structure.
The utility model discloses a concrete embodiment 3, concrete embodiment 3's following structure is the same with the structure that corresponds in concrete embodiment 1: the following structure of embodiment 2 is the same as the corresponding structure of embodiment 1: the pipeline cutting auxiliary device comprises a hoop, the hoop comprises a fixed hoop body, a movable hoop body, a lock catch and a fixing ring, the fixed hoop body and the movable hoop body are arc-shaped steel plates, and the radian of the arc-shaped steel plates is equal to the outer diameter of a pipeline to be cut. The two ends of the movable hoop body are provided with arc slips, and one of the arc slips is hinged on the fixed hoop body. The tip of the fixed hoop body is equipped with the hangers, and another arc slips passes through the hasp and realizes arc slips and fixed hoop body releasable connection with the cooperation of hangers to realize that the activity hoop body can open and shut for the fixed hoop body. The lock catch is a link mechanism type lock catch, and the structure of the lock catch is common in the prior art and is not described any more. The fixed hoop body, the movable hoop body and the arc-shaped slips are enclosed to form an annular hoop, and the hoop is used for tightly holding and fixing the hoop to the outer peripheral surface of a pipeline to be cut.
One end of the fixed hoop body is provided with a fan-shaped wing plate perpendicular to the axis of the hoop, and the fixed ring is coaxial with the hoop. The fixing ring is of a double-layer structure and comprises two monomers which are spliced along the axial direction, and the two monomers are fixedly connected through a connecting bolt. The outer peripheral surface of the fixing ring is provided with a sliding groove, and the sliding groove is formed by splicing two monomers along the axial direction. The fixing ring is provided with a fixing ring avoiding port, the fixing ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, and the width of the fixing ring avoiding port is larger than the diameter of the pipeline to be cut.
Pipeline cutting auxiliary device still includes slip ring and instrument mount pad, and the axis direction assembly that the slip encircles solid fixed ring is on solid fixed ring, and the central angle that slip ring and solid fixed ring correspond respectively all is greater than 180, and concrete assembly form is: the radial inner side of the sliding ring is provided with a sliding lug which is matched with the sliding groove, and the sliding groove is spliced along the axial direction so as to be provided for the sliding lug to be placed in. The slip ring is provided with a slip ring avoiding port, the slip ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, the width of the slip ring avoiding port is equal to that of the fixed ring avoiding port, the slip ring avoiding port and the fixed ring avoiding port are used for avoiding the pipeline to be cut so that the hoop is fixed to the pipeline to be cut along the radial direction of the pipeline to be cut, and the slip ring avoiding port and the fixed ring avoiding port form the pipeline avoiding port. The arc length that the slip ring corresponds is greater than the pipeline on the solid fixed ring and dodges the arc length that the mouth corresponds for the slip ring can stride across the pipeline on the solid fixed ring and dodge the mouth, is equipped with the driving tooth on the outer peripheral face of slip ring. The fixing ring is provided with a fixing ring avoiding port, the fixing ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, and the width of the fixing ring avoiding port is larger than the diameter of the pipeline to be cut.
The pipeline cutting auxiliary device further comprises a sliding ring and a tool mounting seat, the sliding ring is assembled on the fixing ring in a guiding mode around the axis of the fixing ring, and the central angles corresponding to the sliding ring and the fixing ring are larger than 180 degrees.
The tool mounting seat comprises a mounting rod and a cutting torch clamp, the mounting rod is fixed to the sliding ring in a mode parallel to the axis of the sliding ring, the cutting torch clamp comprises two split rings perpendicular to each other, one split ring is sleeved on the mounting rod, the other split ring is used for inserting a cutting torch, and two ends of the split rings are close to each other through bolts to clamp the corresponding mounting rod or the corresponding cutting torch.
The fixed hoop body is welded with a driving gear seat and an auxiliary gear seat, the driving gear seat is provided with a transmission gear, the auxiliary gear seat is provided with an auxiliary gear, the transmission gear and the auxiliary gear are both meshed with transmission teeth on the sliding ring to drive the sliding ring to rotate, and the arc length of the sliding ring corresponding to the interval between the auxiliary gear and the transmission gear is larger than the arc length corresponding to the sliding ring avoiding opening on the sliding ring. A driving chain wheel is fixed on the transmission gear, a driven chain wheel is fixed on the auxiliary gear, and the driving chain wheel and the driven chain wheel form chain transmission through a chain. A crank is fixed on the transmission gear and used for driving the transmission gear to rotate, and the crank forms a gear driving structure.
The difference between embodiment 3 and embodiment 1 is that: one single body of the fixing ring is welded to the fixing band body, rather than being connected to the fixing band body in the form of a flange.
The utility model discloses a specific embodiment 4, specific embodiment 4's following structure is the same with the structure that corresponds in specific embodiment 1: the utility model discloses well pipeline cutting auxiliary device's concrete embodiment, pipeline cutting auxiliary device include the staple bolt, and the staple bolt is including the fixed hoop body, the activity hoop body, hasp and solid fixed ring, and the fixed hoop body is the arc steel sheet with the activity hoop body, and its radian equals the external diameter of waiting to cut the pipeline. The two ends of the movable hoop body are provided with arc slips, and one of the arc slips is hinged on the fixed hoop body. The tip of the fixed hoop body is equipped with the hangers, and another arc slips passes through the hasp and realizes arc slips and fixed hoop body releasable connection with the cooperation of hangers to realize that the activity hoop body can open and shut for the fixed hoop body. The lock catch is a link mechanism type lock catch, and the structure of the lock catch is common in the prior art and is not described any more. The fixed hoop body, the movable hoop body and the arc-shaped slips are enclosed to form an annular hoop, and the hoop is used for tightly holding and fixing the hoop to the outer peripheral surface of a pipeline to be cut.
The one end of the fixed hoop body is provided with a fan-shaped wing plate perpendicular to the axis of the hoop, the fan-shaped wing plate is fixedly connected with the fixed ring through a flange, the connecting bolt forms a flange connecting bolt, and the fixed ring is coaxially arranged with the hoop. The fixing ring is of a double-layer structure and comprises two monomers which are spliced along the axial direction, and the two monomers are fixedly connected through a connecting bolt. The outer peripheral surface of the fixing ring is provided with a sliding groove, and the sliding groove is formed by splicing two monomers along the axial direction. The fixing ring is provided with a fixing ring avoiding port, the fixing ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, and the width of the fixing ring avoiding port is larger than the diameter of the pipeline to be cut.
Pipeline cutting auxiliary device still includes slip ring and instrument mount pad, and the axis direction assembly that the slip encircles solid fixed ring is on solid fixed ring, and the central angle that slip ring and solid fixed ring correspond respectively all is greater than 180, and concrete assembly form is: the radial inner side of the sliding ring is provided with a sliding lug which is matched with the sliding groove, and the sliding groove is spliced along the axial direction so as to be provided for the sliding lug to be placed in. The slip ring is provided with a slip ring avoiding port, the slip ring avoiding port is used for avoiding the pipeline to be cut along the radial direction, the width of the slip ring avoiding port is equal to that of the fixed ring avoiding port, the slip ring avoiding port and the fixed ring avoiding port are used for avoiding the pipeline to be cut so that the hoop is fixed to the pipeline to be cut along the radial direction of the pipeline to be cut, and the slip ring avoiding port and the fixed ring avoiding port form the pipeline avoiding port. The arc length that the slip ring corresponds is greater than the pipeline on the solid fixed ring and dodges the arc length that the mouth corresponds for the slip ring can stride across the pipeline on the solid fixed ring and dodge the mouth, is equipped with the driving tooth on the outer peripheral face of slip ring.
The tool mounting seat comprises a mounting rod and a cutting torch clamp, the mounting rod is fixed to the sliding ring in a mode parallel to the axis of the sliding ring, the cutting torch clamp comprises two split rings perpendicular to each other, one split ring is sleeved on the mounting rod, the other split ring is used for inserting a cutting torch, and two ends of the split rings are close to each other through bolts to clamp the corresponding mounting rod or the corresponding cutting torch.
The fixed hoop body is welded with a driving gear seat and an auxiliary gear seat, the driving gear seat is provided with a transmission gear, the auxiliary gear seat is provided with an auxiliary gear, the transmission gear and the auxiliary gear are both meshed with transmission teeth on the sliding ring to drive the sliding ring to rotate, and the arc length of the sliding ring corresponding to the interval between the auxiliary gear and the transmission gear is larger than the arc length corresponding to the sliding ring avoiding opening on the sliding ring. A driving chain wheel is fixed on the transmission gear, a driven chain wheel is fixed on the auxiliary gear, and the driving chain wheel and the driven chain wheel form chain transmission through a chain.
The utility model discloses a specific embodiment 5, this embodiment and specific embodiment 1's difference lie in: the both ends of activity hoop body are all through the removable fixed to fixed hoop body of hasp.
The utility model discloses a specific embodiment 6, this embodiment and specific embodiment 1's difference lie in: the two single bodies of the fixing ring, the fixing ring and the fan-shaped wing plate are connected through different bolts.
The utility model discloses a specific embodiment 7, this embodiment and specific embodiment 1's difference lie in: the cutting tip holder is directly fixed to the sliding ring.
The utility model discloses a specific embodiment 8, this embodiment and specific embodiment 1's difference lie in: and a transmission gear is not arranged, and cutting or groove machining is completed in a manner of manually rotating a sliding wheel.
Practical example 9, the present embodiment is different from the specific example 1 in that: the auxiliary gear is not arranged, and when the slip ring avoiding port rotates to the driving gear, the auxiliary rotation is carried out in a mode of manually rotating the slip wheel.
Claims (10)
1. Pipeline cutting auxiliary device, its characterized in that includes: the hoop comprises a fixed hoop body and a movable hoop body, and the movable hoop body can be opened and closed relative to the fixed hoop body so as to enable the hoop to be tightly held and fixed on the outer peripheral surface of the pipeline to be cut along the radial direction of the pipeline to be cut;
the fixing ring is fixed on a fixing hoop body of the hoop and is coaxially arranged with the hoop;
the corresponding circumferential angle of the sliding ring is larger than 180 degrees, and the sliding ring is provided with a tool mounting seat for fixedly mounting a cutting torch; the sliding ring is assembled on the fixing ring in a guiding way around the axis of the fixing ring and is used for enabling the tool mounting seat and the cutting nozzle on the sliding ring to move along the circumference; pipeline avoidance ports are formed in the fixed ring and the sliding ring and used for avoiding the pipeline to be cut so that the hoop is fixed to the pipeline to be cut along the radial direction of the pipeline to be cut; the arc length that the slip ring corresponds is greater than the arc length that pipeline on the solid fixed ring dodges the mouth and corresponds for the slip ring can stride the pipeline on the solid fixed ring and dodge the mouth.
2. The line cutting aid of claim 1, wherein: the fixed hoop body is provided with a connecting flange, and the fixed ring is fixed on the connecting flange.
3. The line cutting aid of claim 2, wherein: the radial inner side of the sliding ring is provided with a sliding lug, and the peripheral surface of the fixed ring is provided with a sliding groove matched with the sliding lug;
the fixed ring comprises two monomers, and the sliding groove is formed by splicing the two monomers along the axial direction.
4. The line cutting aid of claim 3, wherein: the monomer passes through connecting bolt and forms solid fixed ring along the axis concatenation, connecting bolt constitutes the flange joint bolt who is used for connecting fixed hoop body and solid fixed ring.
5. The line cutting aid of any one of claims 1 to 4, wherein: one side of the movable hoop body in the circumferential direction is hinged to the fixed hoop body, and the other side of the movable hoop body is detachably connected with the fixed hoop body through a lock catch so as to enable the movable hoop body to be opened and closed relative to the fixed hoop body.
6. The line cutting aid of any one of claims 1 to 4, wherein: the tool mounting seat comprises a mounting rod, the mounting rod is fixed to the sliding ring in a mode of being parallel to the axis of the sliding ring, and a cutting torch clamp used for fixing a cutting torch is arranged on the mounting rod.
7. The line cutting aid of any one of claims 1 to 4, wherein: the peripheral surface of the sliding ring is provided with transmission teeth;
the fixed hoop body is provided with a driving gear seat, the driving gear seat is provided with a transmission gear, and the transmission gear is meshed with transmission teeth on the sliding ring to drive the sliding ring to rotate; the pipeline cutting auxiliary device further comprises a gear driving structure, and the gear driving structure is used for driving the transmission gear to rotate.
8. The line cutting aid of claim 7, wherein: the pipeline cutting auxiliary device also comprises an auxiliary gear, and the auxiliary gear is meshed with the transmission teeth on the sliding ring to drive the sliding ring to rotate; the arc length of the sliding ring corresponding to the interval between the auxiliary gear and the transmission gear is larger than the arc length corresponding to the pipeline avoidance port on the sliding ring.
9. The line cutting aid of claim 8, wherein: the transmission gear and the auxiliary gear synchronously act in a chain transmission mode.
10. The line cutting aid of claim 7, wherein: the gear driving structure is a crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921679414.6U CN210848715U (en) | 2019-10-09 | 2019-10-09 | Pipeline cutting auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921679414.6U CN210848715U (en) | 2019-10-09 | 2019-10-09 | Pipeline cutting auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848715U true CN210848715U (en) | 2020-06-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916984A (en) * | 2021-01-26 | 2021-06-08 | 蔡坤岳 | Support frame for magnetic pipeline cutting machine |
| CN113714612A (en) * | 2021-09-16 | 2021-11-30 | 中建三局集团华南有限公司 | Plasma steel cutting device |
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2019
- 2019-10-09 CN CN201921679414.6U patent/CN210848715U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916984A (en) * | 2021-01-26 | 2021-06-08 | 蔡坤岳 | Support frame for magnetic pipeline cutting machine |
| CN113714612A (en) * | 2021-09-16 | 2021-11-30 | 中建三局集团华南有限公司 | Plasma steel cutting device |
| CN113714612B (en) * | 2021-09-16 | 2022-07-05 | 中建三局集团华南有限公司 | Plasma steel cutting device |
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