CN109822162B - Ultra-large caliber water cutting tapping machine - Google Patents
Ultra-large caliber water cutting tapping machine Download PDFInfo
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- CN109822162B CN109822162B CN201910158269.5A CN201910158269A CN109822162B CN 109822162 B CN109822162 B CN 109822162B CN 201910158269 A CN201910158269 A CN 201910158269A CN 109822162 B CN109822162 B CN 109822162B
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- rotating shaft
- connecting rod
- rod
- seat
- adjusting
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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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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides an ultra-large caliber water cutting tapping machine which is novel in structural design and can cut in a pipeline, and the ultra-large caliber water cutting tapping machine comprises a bracket arranged in the pipeline and a rotating shaft which is positioned in the bracket and is positioned in the axial direction of the pipeline, wherein the rotating shaft is rotationally connected in the bracket, the front end of the rotating shaft extends to the outside of the bracket, a gun seat is arranged at the front end of the rotating shaft, and a water jet cutting head is arranged on the gun seat and can rotate around the axial direction of the rotating shaft along with the rotating shaft.
Description
Technical Field
The invention relates to a tapping machine, in particular to an ultra-large caliber water cutting tapping machine.
Background
The traditional tapping machine with pressure adopts a mechanical trepanning mode to mechanically cut the pressure pipeline, thereby achieving the tapping purpose. The tapping cutter adopted in the traditional trepanning cutting is made of a hard alloy cutting tool bit material, and the maximum outer diameter of the traditional trepanning cutter can only be used for tapping with pressure of an exceeding ultra-large caliber due to the limitation of the linear speed of the cutter, so that the traditional tapping machine and the tapping cutter cannot adapt.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide the ultra-large caliber water cutting tapping machine which is novel in structural design and can cut a pressure pipeline.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides an ultra-large caliber water cutting tapping machine, includes the support of installing in the pipeline, be located the support and be located pipeline axial direction's rotation axis, the rotation axis rotates to be connected in the support, the front end of rotation axis extends to the support outside to be equipped with a rifle seat at the front end of rotation axis, water sword cutting head installs on the rifle seat and can follow the rotation axis and wind the axial rotation of rotation axis.
The gun seat is fixed on the second connecting rod;
the outer shaft tube is sleeved on the rotating shaft, the rotating shaft is rotatably arranged in the outer shaft tube through a first bearing and can rotate in the outer shaft tube, a connecting rod seat extending downwards is fixedly arranged at the front end of the outer shaft tube, the lower end of the second connecting rod is rotatably connected with the connecting rod seat through a third connecting rod, and two ends of the third connecting rod are respectively hinged with the connecting rod seat and the lower end of the second connecting rod;
the adjusting mechanism drives the rotating shaft to axially move, so that the top end of the first connecting rod can be driven to rotate at the hinge point of the second connecting rod and the first connecting rod, the lower end of the gun seat and the end part of the water jet cutting head arranged on the gun seat can be further enabled to swing in an arc shape, and the gap between the end part of the water jet cutting head and the inner wall of the pipeline can be adjusted in the mode.
The support comprises at least two symmetrically arranged guide rods, the front ends of the two guide rods are connected through a base, the base is sleeved on an outer shaft tube, and the outer shaft tube is installed in the base through a base bearing and can rotate in the base; the tail ends of the two guide rods are connected through an upper flange piece.
And a driven gear is arranged on the pipe wall of the outer shaft pipe and is meshed and connected with a driving gear on the output shaft of the driving motor.
The adjusting mechanism comprises a deep hole arranged in the tail end of the rotating shaft, a pull rod is arranged in the deep hole, the front end of the pull rod is arranged in the deep hole through a screw rod bearing, the pull rod is rotatable through the screw rod bearing, and the rotating shaft can be driven to axially move when the pull rod axially moves.
The lifting seat is fixed relative to the guide rod, a screw rod nut is arranged on the lifting seat, the pull rod is a screw rod, and the front end of the pull rod penetrates through the screw rod nut and is in threaded connection with the screw rod nut.
The front end of the pull rod is provided with a large gear, the upper flange piece is provided with a driving shaft, the driving shaft is arranged on the upper flange piece through a driving bearing, the front end of the driving shaft is provided with a small gear, the small gear is meshed with the large gear for transmission, and the small gear is connected with a power shaft on the driving motor.
The lifting seat is fixedly connected with the guide plate through bolts, the lower end of the inner flange part is fixed on the guide rod through a fixed sleeve, and the edge of the guide plate is sleeved on the guide rod through a guide sleeve in a sliding manner.
The adjusting device is characterized in that an adjusting nut is arranged on the inner flange piece, an adjusting screw rod is connected with the adjusting nut in an internal thread mode, an adjusting sleeve is fixedly arranged on the guide plate, and the adjusting screw rod is rotationally connected in the adjusting sleeve.
The invention has the beneficial effects that:
the design is novel and compact in structural design, and can realize the operation of cutting and perforating the inside of the pipeline under pressure, so that the difficult problem of perforating the pressure pipeline under pressure with ultra-large caliber is solved.
Drawings
FIG. 1 is a schematic diagram of the principal structural design of the present invention;
fig. 2 is a schematic structural diagram of the main structural design principle and the use state of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: an ultra-large caliber water cutting tapping machine, see fig. 1 and 2;
the ultra-large caliber water cutting tapping machine of the present design generally comprises a bracket mounted in a pipeline, and a rotary shaft 10 positioned in the bracket and positioned in the axial direction of the pipeline.
Specifically, the support comprises two symmetrically arranged guide rods 70, the front ends of the two guide rods 70 are connected through a base 45, the base 45 is sleeved on the outer shaft tube 30, the outer shaft tube 10 is installed in the base 45 through a base bearing 41 and can rotate in the base 45, and the base and the outer shaft tube are relatively fixed in the axial direction and cannot relatively move axially.
The tail ends of the two guide rods 70 are fixedly connected by an upper flange member 71.
In this design, the rotary shaft 10 is rotatably connected in the bracket, the front end of the rotary shaft 10 extends to the outside of the bracket, and a gun seat 23 is arranged at the front end of the rotary shaft 10, and the water jet cutting head 90 is mounted on the gun seat 23 and can rotate around the axis of the rotary shaft along with the rotary shaft. To achieve the above object, the present design further comprises an adjusting mechanism for driving the rotation shaft 10 to axially move, and the rotation shaft 10 is driven to axially move by the adjusting mechanism.
Furthermore, in the design, a first connecting rod 20 arranged at an included angle with the rotating shaft 10 is fixed at the front end of the rotating shaft 10, a second connecting rod 22 (in the figure, a mark 21 is a hinge point between the first connecting rod 20 and the second connecting rod 22) is hinged at the lower end of the first connecting rod 20, and a gun seat 23 is fixed on the second connecting rod 22; the rotary shaft 10 is rotatably mounted in the outer shaft tube 30 through a first bearing 31 and can circumferentially rotate in the outer shaft tube 30, the outer ring of the first bearing 31 is fixedly connected with the inner wall of the outer shaft tube, and the rotary shaft penetrates through the first bearing and can axially slide in the first bearing.
Meanwhile, a connecting rod seat 28 extending downwards is fixedly arranged at the front end of the outer shaft tube 10, the lower end of the second connecting rod 22 is rotationally connected with the connecting rod seat 28 through a third connecting rod 26, two ends of the third connecting rod 26 are respectively hinged with the connecting rod seat 28 and the lower end of the second connecting rod 22 (a mark 25 in the figure is a hinging point of the third connecting rod 26 and the second connecting rod 22, and a mark 27 in the figure is a hinging point of the third connecting rod 26 and the connecting rod seat 28).
Further, the passive gear 32 is mounted on the pipe wall of the outer shaft pipe 10, the passive gear 32 is meshed with a driving gear on an output shaft of a driving motor, the driving motor drives the passive gear 32 to rotate, the outer shaft pipe 30 can be driven to rotate through the passive gear 32, the connecting rod seat 28 is fixedly connected with the outer shaft pipe 10, and when the outer shaft pipe rotates, a rotating shaft and a gun seat at the front end of the rotating shaft can also rotate, so that the water jet cutting head 90 on the gun seat can do 360-degree circular motion to realize circumferential cutting on the inner wall of a pipeline.
Specifically, the adjusting mechanism comprises a deep hole formed in the tail end of the rotary shaft 10, a pull rod 62 is arranged in the deep hole, the front end of the pull rod 62 is installed in the deep hole through a screw rod bearing 63, the pull rod 62 can rotate through the screw rod bearing 63, but the pull rod is fixed relative to the rotary shaft in the axial direction, namely, the pull rod is immovable relative to the rotary shaft in the axial direction, and the rotary shaft can be driven to axially move when the pull rod axially moves.
The lifting seat 60 is fixed relative to the guide rod 70, a screw rod nut 61 is arranged on the lifting seat 60, the pull rod is a screw rod, and the front end of the pull rod penetrates through the screw rod nut and is in threaded connection with the screw rod nut; specifically, the front end of the pull rod 62 is provided with a large gear 72, the upper flange member 71 is provided with a driving shaft 74, the driving shaft 74 is mounted on the upper flange member 71 through a driving bearing 75, the front end of the driving shaft 74 is provided with a small gear 73, the small gear 73 is meshed with the large gear for transmission, the small gear is connected with a power shaft on a driving motor, the small gear, the large gear and the pull rod can be sequentially driven to rotate through rotation of the driving shaft, the lifting seat 60 and the guide rod are relatively fixed (the screw nut 61 and the lifting seat are fixed), when the pull rod rotates, the pull rod axially moves, and the rotating shaft also moves in the axial direction at the moment.
More specifically, the lifting device further comprises an inner flange member 50, the inner flange member 50 is sleeved on the outer shaft pipe 30 through a second bearing 33, the inner flange member 50 is rotatable through a second bearing, the inner flange member 50 is fixedly connected with a guide rod through a fixing sleeve 58, the lifting device further comprises a guide plate 53 which is fixed relative to the inner flange member 50, the guide plate 53 is rotatably mounted on the rotating shaft 10 through an adjusting bearing 57, the guide plate 53 and the rotating shaft can not move relative to each other in the axial direction, the lifting seat 60 is fixedly connected with the guide plate 53 through a bolt 65, and the edge of the guide plate is sleeved on the guide rod 70 in a sliding manner through a guide sleeve 67.
Furthermore, the design is also characterized in that an adjusting nut 51 is arranged on the inner flange member, an adjusting screw rod 52 is connected with the adjusting nut 51 in a threaded manner, an adjusting sleeve 55 is fixedly arranged on the guide plate 53, the end part of the adjusting screw rod 52 is rotatably connected in the adjusting sleeve 55, and the adjusting screw rod 52 and the adjusting sleeve 55 cannot axially displace in the axial direction.
The adjusting mechanism drives the rotating shaft to axially move, the top end of the first connecting rod can be driven to rotate at the hinge point of the second connecting rod and the first connecting rod, the lower end of the gun seat and the end part of the water jet cutting head arranged on the gun seat are further enabled to swing in an arc shape, the arc direction is indicated by 92 in fig. 2, the adjustment of the gap between the end part of the water jet cutting head and the inner wall 91 of the pipeline can be achieved through the adjustment of the gap, the up-and-down movement of the water jet cutting head can be achieved, and smooth cutting is ensured.
Specifically, in the present design, the guide rod is fixed in the pipe, the rotating shaft is located at the axial position of the pipe, at this time, the rotating driving shaft 74 rotates and drives the pull rod to rotate through the large gear, at this time, the pull rod moves in the axial direction, at this time, the rotating shaft moves along with the pull rod in the axial direction, at this time, the outer shaft pipe keeps different in the axial direction, the first connecting rod at the end of the rotating shaft drives the second connecting rod to rotate with the hinge point 21 as the rotation center, at this time, the connecting rod seat 28 keeps still in the axial direction, at this time, the end of the water jet cutting head at the front end of the gun seat swings in the arc direction as indicated by 92 in fig. 2, and the gap between the end of the water jet cutting head and the inner wall of the pipe is adjusted in this way.
Then rotatory accommodate the lead screw makes the deflector to the opposite direction removal of rotation axis, at this moment, the rotation axis has the pulling force of two directions in the axial direction, at this moment, can solve because of the assembly clearance leads to the rotation axis to take place fine displacement in the axial through accommodate the pulling force of lead screw, can realize that the rotation axis is fixed in the axial, at this moment, the position of water sword cutting head is fixed, then, drive driven gear through driving motor and rotate, at this moment, the rotation axis will drive outer axle pipe rotatory, because connecting rod seat and outer axle pipe tip fixed connection, at this moment, outer axle pipe will drive third connecting rod, the second connecting rod, first connecting rod and with first connecting rod fixed connection's rotation axis do circumference rotation, 360 degrees cuts of pipeline outer wall can be accomplished when the rotation axis is circumference motion.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.
Claims (2)
1. Ultra-large caliber water cutting tapping machine is characterized in that: the water jet cutting device comprises a bracket arranged in a pipeline and a rotating shaft which is positioned in the bracket and is positioned in the axial direction of the pipeline, wherein the rotating shaft is rotationally connected in the bracket, the front end of the rotating shaft extends to the outside of the bracket, a gun seat is arranged at the front end of the rotating shaft, and a water jet cutting head is arranged on the gun seat and can rotate around the axial direction of the rotating shaft along with the rotating shaft; the support comprises at least two symmetrically arranged guide rods, the front ends of the two guide rods are connected through a base, the base is sleeved on an outer shaft tube, and the outer shaft tube is installed in the base through a base bearing and can rotate in the base; the tail ends of the two guide rods are connected through an upper flange piece;
the gun seat is fixed on the second connecting rod;
the outer shaft tube is sleeved on the rotating shaft, the rotating shaft is rotatably arranged in the outer shaft tube through a first bearing and can rotate in the outer shaft tube, a connecting rod seat extending downwards is fixedly arranged at the front end of the outer shaft tube, the lower end of the second connecting rod is rotatably connected with the connecting rod seat through a third connecting rod, and two ends of the third connecting rod are respectively hinged with the connecting rod seat and the lower end of the second connecting rod; the adjusting mechanism drives the rotating shaft to axially move, the top end of the first connecting rod can be driven to rotate at the hinge point of the second connecting rod and the first connecting rod, the lower end of the gun seat and the end part of the water jet cutter cutting head arranged on the gun seat can further swing in an arc shape, the adjusting mechanism can adjust the gap between the end part of the water jet cutter cutting head and the inner wall of a pipeline in the mode, the adjusting mechanism comprises a deep hole arranged in the tail end of the rotating shaft, a pull rod is arranged in the deep hole, the front end of the pull rod is arranged in the deep hole through a lead screw bearing, the pull rod can rotate through the lead screw bearing, and the rotating shaft can be driven to axially move when the pull rod axially moves;
the lifting seat is fixed relative to the guide rod, a screw rod nut is arranged on the lifting seat, the pull rod is a screw rod, and the front end of the pull rod penetrates through the screw rod nut and is in threaded connection with the screw rod nut;
the front end of the pull rod is provided with a large gear, the upper flange piece is provided with a driving shaft, the driving shaft is arranged on the upper flange piece through a driving bearing, the front end of the driving shaft is provided with a small gear, the small gear is meshed with the large gear for transmission, and the small gear is connected with a power shaft on the driving motor;
the lifting seat is fixedly connected with the guide plate through bolts, the lower end of the inner flange piece is fixed on the guide rod through a fixed sleeve, and the edge of the guide plate is sleeved on the guide rod through a guide sleeve in a sliding manner; the adjusting device is characterized in that an adjusting nut is arranged on the inner flange piece, an adjusting screw rod is connected with the adjusting nut in an internal thread mode, an adjusting sleeve is fixedly arranged on the guide plate, and the adjusting screw rod is rotationally connected in the adjusting sleeve.
2. The ultra-large caliber water cutting tapping machine as claimed in claim 1, wherein: and a driven gear is arranged on the pipe wall of the outer shaft pipe and is meshed and connected with a driving gear on the output shaft of the driving motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910158269.5A CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
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CN201910158269.5A CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
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CN109822162A CN109822162A (en) | 2019-05-31 |
CN109822162B true CN109822162B (en) | 2023-09-12 |
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CN201910158269.5A Active CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
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