阅读说明：本技术 一种管道坡口加工装置 (Pipeline groove preparation device ) 是由 高喜涛 刘金龙 刘钱 侯闯 王彬彬 姜鹏飞 石菊 李宁 李岩 鲍云飞 于 2019-11-22 设计创作，主要内容包括：本发明涉及一种管道坡口加工装置,包括架体、驱动装置和设置在架体上的坡口装置,驱动装置包括行走机构和保持机构,行走机构包括蜗杆和两个滚动组件,蜗杆转动连接在架体上且与管道的轴线平行,两个滚动组件关于蜗杆轴线所在的竖直平面对称,每个滚动组件均包括转动杆、蜗轮、滑动块、套管以及行走滚轮,转动杆转动连接在架体上,蜗轮固定在转动杆的顶部且与蜗杆相互啮合,滑动块螺纹连接在转动杆的底端,套管穿设在架体内且滑动块设置在套管内,行走滚轮转动连接在滑动块的底部。本发明具有在调节保持滚轮与行走滚轮之间的间距时,既可以通过改变保持滚轮位置的方式进行调节,又能够改变行走滚轮的位置,从而使调节方式更加灵活的效果。(The invention relates to a pipeline groove machining device which comprises a frame body, a driving device and a groove device arranged on the frame body, wherein the driving device comprises a travelling mechanism and a retaining mechanism, the travelling mechanism comprises a worm and two rolling assemblies, the worm is rotationally connected to the frame body and is parallel to the axis of a pipeline, the two rolling assemblies are symmetrical about a vertical plane where the axis of the worm is located, each rolling assembly comprises a rotating rod, a worm wheel, a sliding block, a sleeve and a travelling roller, the rotating rod is rotationally connected to the frame body, the worm wheel is fixed to the top of the rotating rod and is meshed with the worm, the sliding block is in threaded connection with the bottom end of the rotating rod, the sleeve is arranged in the frame body in a penetrating mode, the sliding block is. The invention has the effect that when the distance between the maintaining roller and the walking roller is adjusted, the adjustment can be carried out by changing the position of the maintaining roller and the position of the walking roller, so that the adjustment mode is more flexible.)

1. The utility model provides a pipeline groove preparation device, includes support body (1), drive arrangement (3) and is used for groove device (2) to pipeline (5) terminal surface chamfer, and groove device (2) set up on support body (1), and drive arrangement (3) include running gear (31) and hold mechanism (32), its characterized in that: the walking mechanism (31) comprises a worm (311) and two rolling assemblies (312), the worm (311) is rotatably connected to the frame body (1) and the axis of the worm is parallel to the axis of the pipeline (5), the two rolling assemblies (312) are symmetrical about a vertical plane where the axis of the worm (311) is located, each rolling assembly (312) comprises a rotating rod (3121), a worm wheel (3122), a sliding block (3123), a sleeve (3125) and a walking roller (3129), the rotating rod (3121) is obliquely and rotatably connected to the frame body (1) and the axis of the rotating rod is perpendicular to the axis of the worm (311), the worm wheel (3122) is fixedly connected to the outer side of the top of the rotating rod (3121) and is meshed with the worm (311), an external thread is arranged on the outer side of the rotating rod (3121), the sliding block (3123) is in threaded connection with the outer side of one end, far away from the worm wheel (3122), the sleeve (3125) is obliquely penetrated in the frame body (, the sliding block (3123) is arranged inside the sleeve (3125), the bottom of the sliding block (3123) extends out of the sleeve (3125), the sliding block (3123) and the sleeve (3125) can slide relatively and can not rotate relatively, the walking roller (3129) is rotatably connected to the bottom of the sliding block (3123), and two rotating rods (3121) of the two rolling assemblies (312) are arranged in a splayed shape.

2. The apparatus for groove preparation of a pipe according to claim 1, wherein: the outer contour of the section of the sliding block (3123) is consistent with the shape of the inner contour of the section of the sleeve (3125) and the shape is non-circular.

3. The apparatus for groove preparation of a pipe according to claim 1, wherein: the holding mechanism (32) comprises an L-shaped support (321) and a holding roller (322), a guide hole (11) is formed in the support body (1), the opening direction of the guide hole (11) is perpendicular to the axis direction of the worm (311), the L-shaped support (321) comprises a vertical portion (3211) and a horizontal portion (3212), two ends of the vertical portion (3211) and two ends of the horizontal portion (3212) are connected together, the axes of the vertical portion and the horizontal portion are perpendicular to each other, the vertical portion (3211) penetrates through the inside and the outside of the guide hole (11) and is provided with an external thread, the support body (1) is rotatably connected with an adjusting nut (12), the adjusting nut (12) is in threaded connection with the outside of the vertical portion (3211), and the holding roller (322) is rotatably connected with the outside of the horizontal portion (3212) and is located on the same vertical surface with the axes of the holding roller (322), the.

4. The apparatus according to claim 3, wherein: two blocking grooves (3213) are formed in the circumferential side wall of the vertical portion (3211), the forming direction of the two blocking grooves (3213) is consistent with the axial direction of the vertical portion (3211), and blocking blocks (111) are fixed on the inner wall of the guide hole (11) at positions corresponding to the two blocking grooves (3213).

5. The apparatus according to claim 3, wherein: through holes (3214) are formed in the top of the vertical portion (3211), the axis of each through hole (3214) is perpendicular to the axis of the vertical portion (3211), and a cotter pin (3215) penetrates through the through holes (3214).

6. The apparatus for groove preparation of a pipe according to claim 1, wherein: rolling subassembly (312) still include backup pad (3126) and axis of rotation (3128), backup pad (3126) set up the bottom and the lower surface of sliding block (3123) and are fixed with mount (3127), axis of rotation (3128) rotate through mount (3127) and connect in the below of backup pad (3126), the quantity of walking gyro wheel (3129) in every rolling subassembly (312) is equal to or less than two and walking gyro wheel (3129) fix the outside at axis of rotation (3128), there is the contained angle between the axis of two axis of rotation (3128) in two rolling subassemblies (312) and the axis of pipeline (5).

7. The apparatus of claim 6, wherein: a flange plate (3124) is fixed at the bottom of the sliding block (3123) in each rolling assembly (312), and the flange plate (3124) and the support plate (3126) are connected together by bolts.

8. The apparatus for groove preparation of a pipe according to claim 1, wherein: two sides of the frame body (1) are respectively provided with a handheld part (13).

9. The apparatus of claim 6, wherein: the support body (1) is provided with limiting component (4) on one side close to the port of the pipeline (5), the limiting component (4) comprises a supporting rod (41) and a limiting wheel (42), and the supporting rod (41) is connected with the support body (1) in a sliding mode and the limiting wheel (42) is rotatably connected to the outer side of the supporting rod (41).

10. The apparatus of claim 9, wherein: the bottom of the frame body (1) is provided with a sliding groove (14), the opening direction of the sliding groove (14) is consistent with the axis direction of the worm (311), the top of the supporting rod (41) is fixed with a sliding block (43), the sliding block (43) is arranged inside the sliding groove (14), the cross sections of the sliding block (43) and the sliding groove (14) are T-shaped, and a positioning plate (44) is fixed on the sliding block (43) and a positioning screw (45) is in threaded connection with the positioning plate (44).

Technical Field

The invention relates to the technical field of pipeline groove processing, in particular to a pipeline groove processing device.

Background

When carrying out pipeline construction among the hydraulic engineering, the staff need process out the welding groove with the port of pipeline after the pipeline of suitable length is intercepted according to actual demand at the scene to make things convenient for two pipelines to carry out the butt welding. The beveling machine is a special tool for chamfering the end face of a pipeline or a flat plate before welding, overcomes the defects of irregular angle, rough slope surface, high working noise and the like of operation processes such as flame cutting, grinding by a polishing machine and the like, and has the advantages of simplicity and convenience in operation, standard angle, smooth surface and the like.

The invention patent with application publication number CN108746787A discloses a pipeline groove machining device, which comprises a frame body, a driving mechanism and a groove device for chamfering the end face of a pipeline, wherein the groove device is arranged on the frame body, the driving mechanism comprises a walking assembly and a retaining mechanism, the walking assembly comprises a plurality of walking rollers which are rotatably connected to the bottom of the frame body, the axes of the walking rollers are parallel to each other, the retaining mechanism comprises an L-shaped rod and a retaining roller, the L-shaped rod is slidably connected with the frame body, an adjusting nut is rotatably connected to the frame body and is in threaded connection with the outer side of the L-shaped rod, the retaining roller is rotatably connected to the outer side of the L-shaped rod, which is far away from the frame body, and a distance exists between the retaining roller and the walking rollers in.

In the above scheme, when staff install the pipeline groove processing device and prepare to chamfer the pipeline port, will keep a plurality of walking gyro wheels in gyro wheel and the walking subassembly to arrange in the pipeline pipe wall respectively, outer both sides, then the staff can adjust the interval between keeping gyro wheel and the walking gyro wheel through rotating adjusting nut change the position of keeping the gyro wheel, interval adjustment makes the support body can follow the pipe wall removal of pipeline through the cooperation that keeps gyro wheel and walking gyro wheel after suitable, remove in-process groove device and can carry out chamfer work to the port of pipeline, however when staff adjusts the interval between keeping gyro wheel and the walking gyro wheel, only can adjust through the mode that changes the keeping gyro wheel position, can not change the position of walking gyro wheel, the regulation mode is not nimble enough.

Disclosure of Invention

The invention aims to provide a pipeline beveling device which has the effect that when the distance between a holding roller and a walking roller is adjusted, the adjustment can be carried out in a mode of changing the position of the holding roller, and the position of the walking roller can be changed, so that the adjustment mode is more flexible.

The above object of the present invention is achieved by the following technical solutions:

a pipeline groove processing device comprises a frame body, a driving device and a groove device used for chamfering the end face of a pipeline, wherein the groove device is arranged on the frame body, the driving device comprises a walking mechanism and a retaining mechanism, the walking mechanism comprises a worm and two rolling components, the worm is rotationally connected on the frame body, the axis of the worm is parallel to the axis of the pipeline, the two rolling components are symmetrical about a vertical plane where the axis of the worm is located, each rolling component comprises a rotating rod, a worm wheel, a sliding block, a sleeve and a walking roller wheel, the rotating rod is obliquely and rotationally connected on the frame body, the axis of the rotating rod is perpendicular to the axis of the worm, the worm wheel is fixedly connected on the outer side of the top of the rotating rod and is meshed with the worm, the outer side of the rotating rod is provided with external threads, the sliding block is, the sliding block sets up and stretches out the sleeve pipe outside in sheathed tube inside and bottom, can relative slip can not rotate relatively between sliding block and the sleeve pipe, and the walking gyro wheel rotates the bottom of connecting at the sliding block, and two dwangs among two rolling subassemblies are the splayed setting.

By adopting the technical scheme, because the two rolling assemblies are symmetrical about the vertical plane where the axis of the worm is located and the two rotating rods are arranged in a splayed manner, a worker rotates the worm to drive the two worm wheels and the rotating rods where the two worm wheels are located to rotate simultaneously, and because the sliding block is in threaded connection with the outer side of one end of the rotating rod, which is far away from the worm wheels, and the sliding block and the sleeve pipe can slide relatively but cannot rotate relatively, the sliding block only can slide in the sleeve pipe in the rotating process of the rotating rod in the rolling assemblies, the integral length formed by the sliding block and the rotating rods can be extended or shortened, so that the position of a walking roller at the bottom of the sliding block in the two rolling assemblies can be changed, when the worker installs the pipeline groove processing device to prepare chamfering a pipeline port, the retaining mechanism and the, then adjust the interval between keeping mechanism and the running gear, the staff not only can adjust through the mode that changes the position that keeps the gyro wheel this moment, and can adjust through the position that rotates the gyro wheel of walking in the worm changes two rolling subassemblies, perhaps can use by two kinds of adjustment mode cooperations, thereby make the adjustment mode more nimble, and because the dwang among two rolling subassemblies is eight characters and lays, therefore not only can change the position height of two walking gyro wheels when the worm rotates, and the interval of locating between the walking gyro wheel in different rolling subassemblies also can change, the pipeline of the different aperture of adaptation and different pipe wall thickness that can be better after the interval between the walking gyro wheel in two different rolling subassemblies changes, and then make the structure of pipeline groove processingequipment more reasonable.

The invention is further configured to: the outer contour of the section of the sliding block is consistent with the inner contour of the section of the sleeve in shape and is non-circular.

Through adopting above-mentioned technical scheme, because the sliding block sets up in sheathed tube inside, consequently when the shape of the outline in sliding block cross-section and the interior outline in sleeve pipe cross-section is the non-circular simultaneously, the rotation of dwang only can make and take place relative slip between sliding block and the sleeve pipe and can not appear relative rotation, and then the whole length that dwang and sliding block in two rolling assemblies are constituteed can extend or shorten when the worm rotates, and the position that is in the walking gyro wheel of two sliding block bottoms also can obtain changing.

The invention is further configured to: the holding mechanism comprises an L-shaped support and a holding roller, the direction of the guide hole and the guide hole is perpendicular to the axis direction of the worm, the L-shaped support comprises a vertical portion and a horizontal portion, the two ends of the vertical portion and the horizontal portion are connected together, the axis of the vertical portion and the axis of the horizontal portion are perpendicular to each other, the vertical portion is arranged inside the guide hole in a penetrating mode, the outer thread is arranged on the outer side of the vertical portion in a penetrating mode, an adjusting nut and an adjusting nut are connected to the support in a rotating mode, the outer side of the horizontal portion is connected in a threaded mode, the holding roller is connected in a rotating mode, the.

Through adopting above-mentioned technical scheme, the staff can change the position of contact between vertical portion and the adjusting nut in the L type pole through rotating adjusting nut, and then can change the position altitude mixture control who keeps the gyro wheel and walk the interval between the gyro wheel in running gear, because keep the gyro wheel again, horizontal part and worm three's axis is in same vertical face, consequently keep the gyro wheel in the position in the middle of the walking gyro wheel that is located two different rolling assemblies, it is more stable when the support body moves along the pipe wall of pipeline through the cooperation that keeps gyro wheel and walking gyro wheel, and is reliable.

The invention is further configured to: two blocking grooves are formed in the circumferential side wall of the vertical portion, the forming direction of the two blocking grooves is consistent with the axis direction of the vertical portion, and blocking blocks are fixed on the inner wall of the guide hole at positions corresponding to the two blocking grooves.

Through adopting above-mentioned technical scheme, when the staff rotated adjusting nut and changed the contact position of the vertical portion in adjusting nut and the L type pole, because block the piece and can prevent that adjusting nut from rotating along with together at rotation in-process L type pole with the existence that blocks the groove, adjusting nut rotates the vertical portion of in-process L type pole and can only go up and down to make retaining mechanism's structure more reasonable.

The invention is further configured to: the top of the vertical portion is provided with a through hole, the axis of the through hole is perpendicular to the axis of the vertical portion, and a cotter pin penetrates through the through hole.

Through adopting above-mentioned technical scheme, the vibration that pipeline groove preparation device produced at equipment operation in-process probably can make adjusting nut and the position of vertical portion contact change, and the setting of through-hole and split pin can avoid the vertical portion in the L type pole to break away from the guiding hole in the course of the work, has improved factor of safety.

The invention is further configured to: the rolling component further comprises a supporting plate and a rotating shaft, the supporting plate is arranged at the bottom of the sliding block, the lower surface of the supporting plate is fixedly provided with a fixing frame, the rotating shaft is connected below the supporting plate in a rotating mode through the fixing frame, the number of the walking rollers in each rolling component is not less than two, the walking rollers are fixed to the outer side of the rotating shaft, and included angles exist between the axes of the two rotating shafts in the two rolling components and the axis of the pipeline.

Through adopting above-mentioned technical scheme, the quantity of walking gyro wheel is all not less than two in every rolling subassembly for the support body is more steady, reliable when the pipe wall motion along the pipeline through the cooperation of walking gyro wheel and holding the gyro wheel, because there is the contained angle again in the axis of two axis of rotation in two rolling subassemblies and the axis of pipeline, consequently the support body has the trend of keeping away from the pipeline terminal surface to the pipeline internal motion all the time when removing along the pipe wall of pipeline, make the port to the pipeline that the groove device can be better carry out chamfer work.

The invention is further configured to: the bottom of the sliding block in each rolling assembly is fixed with a flange plate, and the flange plate is connected with the supporting plate through a bolt.

Through adopting above-mentioned technical scheme, the flange plate set up the area of contact that has increased the bottom of sliding block and backup pad for the walking gyro wheel of backup pad below can be better support the backup pad in the bottom of sliding block behind the outer wall that contacts the pipeline, because pass through bolted connection between flange plate and the backup pad again, consequently make things convenient for flange plate and backup pad installation and dismantlement between the two.

The invention is further configured to: the two sides of the frame body are respectively provided with a handheld part.

Through adopting above-mentioned technical scheme, the setting up of the handheld portion in support body both sides makes things convenient for the staff to carry and position adjustment to pipeline groove preparation device to make pipeline groove preparation device's structure more reasonable.

The invention is further configured to: the support body is provided with spacing subassembly in the one side that is close to the pipeline port, and spacing subassembly includes bracing piece and spacing round, and the bracing piece rotates the outside of connecting at the bracing piece with support body sliding connection and spacing round.

Through adopting above-mentioned technical scheme, because there is the contained angle in the axis of two axis of rotation in two rolling subassemblies and the axis of pipeline, consequently the support body has the trend of keeping away from the pipeline terminal surface to the pipeline internal motion all the time when removing along the pipe wall of pipeline, and spacing subassembly can play spacing effect for the support body can be more stable remove along the pipe wall of pipeline, and does benefit to the mouth of pipe of groove device to the pipeline more and carry out chamfer work.

The invention is further configured to: the bottom of the support body is provided with a sliding groove, the opening direction of the sliding groove is consistent with the axis direction of the worm, a sliding block is fixed at the top of the supporting rod, the sliding block is arranged inside the sliding groove, the cross sections of the sliding block and the sliding groove are in a T shape, and a positioning plate is fixed on the sliding block and is in threaded connection with a positioning screw.

Through adopting above-mentioned technical scheme, because the cross-section of slider and spout is the T shape to the slider is more stable and the condition that can not appear rocking when sliding in the spout, after the staff adjusted the bracing piece to suitable position, makes its terminal surface top tight through rotating positioning screw, and the position of slider is fixed no longer removes this moment.

In conclusion, the beneficial technical effects of the invention are as follows:

1. because the two rolling assemblies are symmetrical about the vertical plane where the axis of the worm is located and the two rotating rods are arranged in a splayed manner, a worker rotates the worm to drive the two worm wheels and the rotating rods where the two worm wheels are located to rotate simultaneously, and because the sliding block is in threaded connection with the outer side of one end of the rotating rod, which is far away from the worm wheels, and the sliding block and the sleeve pipe can slide relatively but cannot rotate relatively, the sliding block only can slide in the sleeve pipe during the rotating process of the rotating rod in the rolling assemblies, the integral length formed by the sliding block and the rotating rods can be extended or shortened, and further the position of a walking roller at the bottom of the sliding block in the two rolling assemblies can be changed, when the worker installs the pipeline beveling device to chamfer the pipeline port, the holding mechanism and the walking mechanism are respectively arranged at the inner side and the outer side of, at the moment, the working personnel can adjust the position of the roller by changing the position of the keeping roller, and can adjust the position of the walking rollers in the two rolling assemblies by rotating the worm, or the two adjusting modes can be matched for use, so that the adjusting mode is more flexible, and the rotating rods in the two rolling assemblies are arranged in a splayed manner, so that the position heights of the two walking rollers can be changed when the worm rotates, the distance between the walking rollers in different rolling assemblies can be changed, the distance between the walking rollers in the two different rolling assemblies can be better adapted to pipelines with different apertures and different pipe wall thicknesses after the distance between the walking rollers in the two different rolling assemblies is changed, and the structure of the pipeline groove processing device is more reasonable;

2. because the sliding block is arranged in the sleeve, when the outer contour of the section of the sliding block and the inner contour of the section of the sleeve are in a non-circular shape, the rotation of the rotating rod only enables the sliding block and the sleeve to slide relatively without relative rotation, and further the overall length formed by the rotating rod and the sliding block in the two rolling assemblies can be extended or shortened when the worm rotates, and the positions of the walking rollers at the bottoms of the two sliding blocks can be changed;

3. when the staff rotated adjusting nut and changed the contact position of the vertical portion in adjusting nut and the L type pole, because the existence that blocks piece and block the groove can prevent that adjusting nut from rotating along with together at rotation in-process L type pole, adjusting nut rotated in-process L type pole's vertical portion can only go up and down to make retaining mechanism's structure more reasonable.

Drawings

FIG. 1 is a schematic view of the present invention and a pipe construction;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the travel mechanism; (partial structure of one of the rolling elements is removed)

FIG. 4 is a schematic structural view of the retaining mechanism;

fig. 5 is a schematic structural view of the limiting assembly.

In the figure, 1, a frame body; 11. a guide hole; 111. a blocking block; 12. adjusting the nut; 13. a hand-held portion; 14. a chute; 2. a beveling device; 3. a drive device; 31. a traveling mechanism; 311. a worm; 312. a rolling component; 3121. rotating the rod; 3122. a worm gear; 3123. a slider; 3124. a flange plate; 3125. a sleeve; 3126. a support plate; 3127. a fixed mount; 3128. a rotating shaft; 3129. a walking roller; 32. a holding mechanism; 321. an L-shaped bracket; 3211. a vertical portion; 3212. a horizontal portion; 3213. a blocking groove; 3214. a through hole; 3215. a cotter pin; 322. a holding roller; 4. a limiting component; 41. a support bar; 42. a limiting wheel; 43. a slider; 44. positioning a plate; 45. positioning a screw rod; 5. a pipeline.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the device for beveling a pipeline disclosed by the invention comprises a frame body 1, a driving device 3, a limiting assembly 4 and a beveling device 2 for chamfering the end face of a pipeline 5, wherein the beveling device 2 is arranged on the frame body 1, two handheld parts 13 are respectively arranged on two sides of the frame body 1, and the driving device 3 comprises a travelling mechanism 31 and a retaining mechanism 32.

Referring to fig. 2 and 3, the running gear 31 includes a worm 311 and two rolling assemblies 312, the worm 311 is rotatably connected to the frame body 1 and has an axis parallel to the axis of the pipe 5, and the two rolling assemblies 312 are symmetrical about a vertical plane on which the axis of the worm 311 is located. Each rolling component 312 comprises a rotating rod 3121, a worm wheel 3122, a sliding block 3123, a sleeve 3125, a supporting plate 3126, a rotating shaft 3128 and a walking roller 3129, the rotating rod 3121 is obliquely and rotatably connected to the support body 1 and the axis is perpendicular to the axis of the worm 311, two rotating rods 3121 of the two rolling components 312 are arranged in a splayed shape, the worm wheel 3122 is fixedly connected to the outer side of the top of the rotating rod 3121 and is mutually meshed with the worm 311, the outer side of the rotating rod 3121 is provided with an external thread, the sliding block 3123 is in threaded connection with the outer side of one end, away from the worm wheel 3122, the sleeve 3125 is obliquely arranged in the support body 3121 and the axis is parallel to the axis of the rotating rod 3121, the sliding block 3123 is arranged in. The outer contour of the cross section of the sliding block 3123 conforms to the shape of the inner contour of the cross section of the sleeve 3125 and is non-circular, such as: triangular, square, rectangular or oval, among other non-circular shapes. A flange plate 3124 is fixed at the bottom of the sliding block 3123, a support plate 3126 is arranged at the bottom of the sliding block 3123, the sliding block 3123 is connected with the support plate 3126 through the flange plate 3124 and the flange plate 3124 is bolted with the support plate 3126, a fixing frame 3127 is fixed at the lower surface of the support plate 3126, and a rotating shaft 3128 is rotatably connected below the support plate 3126 through the fixing frame 3127. The walking rollers 3129 in each rolling assembly 312 are provided with two walking rollers 3129 fixed on the outer side of the rotating shaft 3128, and the axes of the two rotating shafts 3128 in the two rolling assemblies 312 form an included angle with the axis of the pipe 5.

Referring to fig. 2 and 4, the holding mechanism 32 includes an L-shaped bracket 321 and a holding roller 322, a guide hole 11 is formed in the frame body 1, and the direction of the guide hole 11 is perpendicular to the axial direction of the worm 311, the L-shaped bracket 321 includes a vertical portion 3211 and a horizontal portion 3212, two ends of the vertical portion 3211 and the horizontal portion 3212 are connected together, and the axes of the two are perpendicular to each other. Vertical portion 3211 wears to establish and has seted up the external screw thread in the inside and the outside of guiding hole 11, rotates on support body 1 to be connected with adjusting nut 12 and adjusting nut 12 threaded connection in the outside of vertical portion 3211, has seted up on the circumference lateral wall of vertical portion 3211 two and has blockked groove 3213 and two and blockked the orientation of seting up of groove 3213 and vertical portion 3211's axis direction unanimity, and the inner wall of guiding hole 11 is fixed with the piece 111 that blocks in the position department that corresponds with two blockking grooves 3213. The top of vertical portion 3211 is opened with a through hole 3214 and the axis of through hole 3214 is perpendicular to the axis of vertical portion 3211, and a cotter 3215 passes through in the through hole 3214. The holding roller 322 is rotatably connected to the outer side of the horizontal portion 3212 and the axes of the holding roller 322, the horizontal portion 3212 and the worm 311 are on the same vertical plane.

Referring to fig. 2 and 5, the limiting assembly 4 is disposed on one side of the frame body 1 close to the port of the pipeline 5, the limiting assembly 4 includes a supporting rod 41 and a limiting wheel 42, the bottom of the frame body 1 is provided with a sliding groove 14, the opening direction of the sliding groove 14 is consistent with the axial direction of the worm 311, the top of the supporting rod 41 is fixed with a sliding block 43, the sliding block 43 is disposed inside the sliding groove 14, the cross sections of the sliding block 43 and the sliding groove 14 are both T-shaped, the sliding block 43 is fixed with a positioning plate 44, and the positioning plate 44 is screwed with a positioning screw.

The implementation principle of the above embodiment is as follows: when a worker installs the pipeline groove processing device to prepare for chamfering the port of the pipeline 5, firstly, the holding mechanism 32 and the walking mechanism 31 are respectively arranged at the inner side and the outer side of the pipeline 5, namely, the holding roller 322 is positioned at the inner side of the pipeline 5, and the walking roller 3129 is positioned at the outer side of the pipeline 5, the worker can change the contact position of the holding roller 322 with the L-shaped support 321 by rotating the adjusting nut 12 and further adjust the position height of the holding roller 322, and can drive the rotating rod 3121 of the two rolling assemblies 312 to rotate by rotating the worm 311, change the overall length formed by the rotating rod 3121 and the sliding block 3123 and further adjust the position height of the walking roller 3129, the two adjusting modes are matched to adjust the distance between the holding roller 322 and the walking roller 3129, and the adjusting mode can be more flexible. Because the dwang 3121 in two rolling subassemblies 312 is the splayed pendulum cloth, not only can change the position height of two walking gyro wheels 3129 when consequently worm 311 rotates, the interval that locates between the walking gyro wheel 3129 in different rolling subassemblies 312 also can change moreover, the pipeline 5 of the different apertures of adaptation and different pipe wall thickness that can be better after the interval that is in between the walking gyro wheel 3129 in two different rolling subassemblies 312 changes, and then make the structure of pipeline groove processingequipment more reasonable. After keeping gyro wheel 322 and walking gyro wheel 3129 and adjusting to suitable interval, adjust the angle of groove device 2, later adjust spacing subassembly 4 and make spacing round 42 circumference lateral wall support on pipeline 5's terminal surface, spacing subassembly 4 can play spacing effect for support body 1 can be more stable remove along pipeline 5's pipe wall, and do benefit to groove device 2 more and carry out chamfer work to pipeline 5's mouth of pipe.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by the embodiments, therefore: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.