CN112706049B - Automatic polishing machine for outer wall of pipeline - Google Patents
Automatic polishing machine for outer wall of pipeline Download PDFInfo
- Publication number
- CN112706049B CN112706049B CN202011468384.1A CN202011468384A CN112706049B CN 112706049 B CN112706049 B CN 112706049B CN 202011468384 A CN202011468384 A CN 202011468384A CN 112706049 B CN112706049 B CN 112706049B
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- Prior art keywords
- polishing
- polishing arm
- arm
- plate
- pipeline
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/06—Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/08—Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an automatic polishing machine for the outer wall of a pipeline, which comprises a first arc-shaped polishing arm and a second arc-shaped polishing arm, wherein two ends of the first polishing arm and two ends of the second polishing arm are respectively connected, and the connected first polishing arm and the connected second polishing arm have an included angle; the first polishing arm and the second polishing arm comprise polishing devices and walking devices. The first polishing arm and the second polishing arm are convenient to disassemble, and the whole structure is simplified; the single polishing arm is small in size, convenient to carry after being disassembled, suitable for outdoor pipeline engineering polishing operation, and particularly suitable for polishing pipelines with complex field terrains and small operation space.
Description
Technical Field
The invention relates to a polishing machine, in particular to an automatic polishing machine for an outer wall of a pipeline, and belongs to the technical field of steel pipe processing equipment.
Background
The method for removing the rust on the outer surface of the steel pipe is numerous, the basic manual rotary tool is used for polishing, the efficiency is low, efficient rust removing modes such as shot blasting rust removal, sand blasting rust removal and the like are provided, and related rust removing patent designs are numerous, for example, a steel pipe outer surface rust removing system with the patent number of ZL201711122118.1, the equipment is not moved during rust removal, the steel pipe rotates, and the equipment is large in size. The rust removing means can not be applied to the rust removal of the outer surfaces of pipelines which are already installed in place, such as a large number of chemical pipelines, and the existing method usually adopts a manual rotating tool polishing mode, so that the effect is very limited, the workload is large, and the steel pipe body is easy to damage. It is therefore necessary to design a rust removing apparatus suitable for the outer surface of a fixedly installed pipe.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an automatic pipeline outer wall polishing machine which is light, small in size and capable of automatically walking, so as to solve the technical problem.
The technical scheme is as follows: the automatic polishing machine for the outer wall of the pipeline comprises a first arc-shaped polishing arm and a second arc-shaped polishing arm, wherein two ends of the first polishing arm and two ends of the second polishing arm are respectively connected, and an included angle is formed between the connected first polishing arm and the connected second polishing arm and the section of the pipeline; the first polishing arm and the second polishing arm comprise polishing devices and walking devices.
The first polishing arm and the second polishing arm are symmetrically arranged about the pipeline.
The upper surface of one end of the first polishing arm and the lower surface of the other end of the first polishing arm are respectively connected with the lower surface of one end of the second polishing arm and the upper surface of the other end of the second polishing arm.
The polishing device comprises a polishing belt, a base plate and a top plate, wherein the base plate and the top plate are arranged on two sides of the polishing belt, a driving wheel and a guide belt wheel are arranged at two ends of the base plate and the top plate and used for driving the polishing belt to rotate, and the driving wheel is connected with a motor.
The base plate is provided with a tensioning device, and the tensioning device comprises a first swing support and a second swing support; one end of the first swing support and one end of the second swing support are connected with the substrate and rotate around the substrate, and the other ends of the first swing support and the second swing support are connected with each other through tension springs.
The walking device comprises guide wheel sets arranged on two sides of the polishing arm, each guide wheel set comprises a guide wheel, a support and a screw rod connected with the guide wheel and the support, and a pressure spring is arranged outside the screw rod.
The first polishing arm and the second polishing arm are connected through a hinged support.
The hinged support comprises a vertical connecting plate, a fixing plate and a hinged plate, wherein the two sides of the connecting plate are perpendicular to the fixing plate and the hinged plate, an included angle is formed between the fixing plate and the hinged plate, and the included angle is consistent with the included angle between the first polishing arm and the second polishing arm.
And a connecting component for fastening is arranged at the joint of the first polishing arm and the second polishing arm.
The connecting assembly comprises a first fixing plate fixed with one polishing arm, a second fixing plate fixed with the other polishing arm, a nut clamped with the second fixing plate and a bolt, wherein one end of the bolt penetrates through the nut, and the other end of the bolt is hinged with the first fixing plate.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
(1) the first polishing arm and the second polishing arm are convenient to disassemble, and the whole structure is simplified; the single polishing arm is small in size, convenient to carry after being disassembled, suitable for outdoor pipeline engineering polishing operation, and particularly suitable for polishing pipelines with complex field terrains and small operation space.
(2) The polishing arm can automatically move, and can automatically polish the outer wall of the fixed pipeline which cannot rotate.
(3) The polishing machine has high polishing efficiency and convenient replacement of the polishing belt, and meanwhile, the polishing machine is provided with various adjusting and fastening devices, can be adjusted through actual conditions and cannot damage pipelines.
Drawings
FIG. 1 is a schematic view of the working state of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of a polishing arm of the present invention;
FIG. 4 is a schematic view of the hinged support of the present invention;
fig. 5 is a schematic view of the coupling assembly of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The first polishing arm 100 and the second polishing arm 200 have the same structure, and the rotation speed and the rotation direction of the motor can be set to be different. The two ends of the first polishing arm and the second polishing arm are respectively connected, and the first polishing arm and the second polishing arm after being connected form an included angle with the cross section of the pipeline, so that the polishing machine can automatically walk on the pipeline due to stress. In this embodiment, the first and second polishing arms are symmetrically arranged about the pipe, that is, the projection of the first and second polishing arms on the plane of the pipe axis is "X" shaped. In particular, the upper surface of one end and the lower surface of the other end of the first polishing arm 100 are connected to the lower surface of one end and the upper surface of the other end of the second polishing arm 200, respectively. In other embodiments, the pipe can be connected by the connecting piece to form other angles, and the corresponding setting is carried out according to the outer diameter of the pipe, the requirement on the polishing degree, the walking speed and the like.
The first polishing arm (see figure 3) includes a polishing device and a running gear. The polishing apparatus is composed of a base plate 110, a top plate 120, a polishing belt 130, a motor 140, a tension device 150, a fixing rod 170, etc. (the energy storage battery and the control device are not shown). The base plate 110 and the top plate 120 are two parallel plates and are arc-shaped or arc-shaped plates, and the concave arc is used for accommodating and placing a steel pipe to be derusted. The base plate 110 and the top plate 120 are fixedly coupled by left and right fixing rods 171 and 172. A motor 140 is fixedly mounted on the outer side of one end of the base plate 110, a driving wheel 131 is fixedly mounted on an output rotating shaft of the motor 140, and the driving wheel 131 is arranged between the base plate 110 and the top plate 120; a guide pulley 132 is arranged at the other end between the base plate 110 and the top plate 120, and the guide pulley 132 is rotatably mounted through a shaft; the polishing belt 130 is mounted on a driving pulley 131 and a guide pulley 132.
A tensioner 150 of the polishing belt 130 is also provided between the base plate 110 and the top plate 120. The tensioning device 150 comprises a first swing bracket 151 and a second swing bracket 152 which are symmetrically arranged. The first swing bracket 151 and the second swing bracket 152 are substantially T-shaped plate members. The first swing bracket 151 and the second swing bracket 152 are respectively installed inside the substrate 110 through a rotating shaft 153 in a swing manner. Tensioning wheel shafts 154 are respectively fixedly arranged at the left end of the first swing bracket 151 and the right end of the second swing bracket 152, a first tensioning wheel 155 is rotatably arranged on the tensioning wheel shaft 154 at the left end of the first swing bracket 151, and a second tensioning wheel 156 is rotatably arranged on the tensioning wheel shaft 154 at the right end of the second swing bracket 152. The pin shafts 158 are respectively fixed on the outwards protruding support plates of the first swing bracket 151 and the second swing bracket 152, and a tension spring 157 is arranged between the two pin shafts 158. The tension spring 157 causes the first swing bracket 151 to tend to move outward (counterclockwise) and the second swing bracket 152 to tend to move outward (clockwise), such that the first tension wheel 155 and the second tension wheel 156 tension the polishing belt 130.
The walking device comprises a plurality of guide wheel groups. Two guide rollers 160 are respectively disposed below the substrate 110 and above the top plate 120. The guide wheels of each guide wheel set face to the center direction of the concave arc (the included angle between the two guide wheel sets is approximately 90 degrees). Two holders 161 are fixed below the base plate 110 and above the top plate 120, respectively. Each guide wheel 166 is rotatably installed in the guide wheel frame 162 through a guide wheel shaft 165, and a screw 163 is fixedly provided at an outer end of the guide wheel frame 162. Each screw 163 is slidably mounted in a hole in the holder 161, and a nut 167 is provided at the outer end of the screw 163 for limiting. A compression spring 164 is provided between the inner side of the upper holder 161 of the screw 163 and the outer end of the guide frame 162. The pressure spring 164 causes each guide wheel to contact the outer wall of the circular tube to be polished with a certain pressure.
The working principle of the invention is as follows:
and clamping the steel pipe to be polished by the first arc polishing machine and the second arc polishing machine which are hinged together, and then tensioning and fixing the steel pipe by the connecting assembly. Each guide wheel group is propped against the outer wall of the steel pipe under the action of spring force. Each polishing belt is always in a tensioning state under the action of the tensioning device and clings to the outer wall of the steel pipe to be polished. And starting the polishing motor, and driving the polishing belt to operate by the motor to polish. Because the arc polishing machine and the axis of the steel pipe have an inclined angle, the arc polishing machine has component force which rotates along the circumferential direction of the outer wall of the pipeline and moves axially under the driving of the polishing belt. The driving motors of the first arc polishing machine and the second arc polishing machine can rotate in opposite directions and have speed difference, so that the polishing machine can rotate towards the direction with large circumferential component force and axially move towards the direction with large axial component force, and the automatic polishing of the outer wall of the pipeline is completed.
An articulated support 310 (see figure 4) for hingedly coupling two identical sets of the first polishing arm 100 and the second polishing arm 200 at an inclined angle. The hinge support 310 is composed of a coupling plate 311 vertically disposed in the middle, a fixing plate 312 fixedly installed at one side thereof perpendicular to the coupling plate 311, and a hinge plate 313 fixedly installed at the other side thereof perpendicular to the coupling plate 311. The fixed plate 312 is not parallel to the hinge plate 313 and has a small (e.g., about 15 degrees) tilt angle. The fixed plate 312 is fixedly mounted on the inner side of one end of the base plate 110 of the first polishing arm (the large hole on the fixed plate 312 is used for getting away from the driving wheel 131. the hinge plate 313 is hinged with the outer side of the top plate 120 of the other end of the second polishing arm, which is mounted with the motor.
And a coupling assembly 320 (see fig. 5) for clamping the first polishing arm 100 and the second polishing arm 200 which are hinged together to the steel pipe to be polished and then pulling and fixing the same. The coupling assembly 320 comprises a first fixing plate 325, a hinge support base plate 324, a hinge support 321, a bolt 322, a nut 323 and the like which are arranged at the inner side of the base plate at one end of the second polishing arm, which is provided with the motor; and a slotted riser 326 and a second fixed plate 327 fixedly mounted on the first polishing arm outside the top plate 120 at the other end where the motor is mounted. The first fixing plate 325 is vertically fixed to the hinge support base plate 324, a hinge support 321 is fixedly disposed on an outer side of the hinge support base plate 324, and the bolt 322 is hinged to the hinge support base plate 324 through the hinge support 321. The hinge support base plate 324 is fixedly mounted to the second polishing arm at the inner side of the base plate at the end where the motor is mounted by a first retaining plate 325. The slotted riser 326 is vertically fixed to the second fixed plate 327. The slotted riser 326 is fixedly mounted to the first polishing arm outside the top plate 120 at the other end of the motor via a second mounting plate 327.
Claims (8)
1. The automatic polishing machine for the outer wall of the pipeline is characterized by comprising a first arc-shaped polishing arm (100) and a second arc-shaped polishing arm (200), wherein two ends of the first polishing arm and two ends of the second polishing arm are respectively connected, and an included angle is formed between the connected first polishing arm and the connected second polishing arm and the section of the pipeline; the first polishing arm and the second polishing arm comprise polishing devices and walking devices; the polishing device comprises a polishing belt (130), a substrate (110) and a top plate (120) which are arranged on two sides of the polishing belt, wherein a driving wheel (131) and a guide pulley (132) which drive the polishing belt (130) to rotate are arranged at two ends of the substrate (110) and the top plate (120), and the driving wheel is connected with a motor (140); the walking device comprises guide wheel sets (160) arranged on two sides of the polishing arm, each guide wheel set comprises a guide wheel (166), a support (161) and a screw (163) connected with the guide wheel (166) and the support (161), and a pressure spring (164) is arranged outside each screw.
2. The automatic pipe outer wall polishing machine according to claim 1, wherein the first polishing arm (100) and the second polishing arm (200) are symmetrically arranged about the pipe.
3. The automatic polishing machine for the outer wall of the pipeline according to claim 2, wherein the upper surface of one end and the lower surface of the other end of the first polishing arm (100) are respectively connected with the lower surface of one end and the upper surface of the other end of the second polishing arm (200).
4. The automatic polishing machine for the outer wall of the pipeline as claimed in claim 1, wherein a tensioning device (150) is arranged on the base plate (110), and the tensioning device (150) comprises a first swing bracket (151) and a second swing bracket (152); one end of the first swing bracket and one end of the second swing bracket are connected with the base plate (110) and rotate around the base plate, and the other ends of the first swing bracket and the second swing bracket are connected with each other through a tension spring (157).
5. The automated pipe outer wall polisher of claim 1, wherein the first polishing arm (100) and the second polishing arm (200) are coupled by an articulated bracket (310).
6. The automatic polishing machine for the outer wall of the pipeline, according to claim 5, is characterized in that the hinged support (310) comprises a vertical connecting plate (311), a fixed plate (312) and a hinged plate (313) which are perpendicular to the two sides of the connecting plate (311), and the fixed plate (312) and the hinged plate (313) have an included angle which is consistent with the included angle of the first polishing arm (100) and the second polishing arm (200).
7. The automatic pipeline outer wall polishing machine according to claim 1, wherein a coupling assembly (320) for fastening is provided at a connection of the first polishing arm (100) and the second polishing arm (200).
8. The automatic polishing machine for the outer wall of the pipeline, which is recited in claim 7, is characterized in that the coupling assembly (320) comprises a first fixing plate (325) fixed with one of the polishing arms, a second fixing plate (327) fixed with the other polishing arm, a nut (323) clamped with the second fixing plate (327), and a bolt (322), wherein one end of the bolt (322) passes through the nut (323), and the other end of the bolt is hinged with the first fixing plate (325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468384.1A CN112706049B (en) | 2020-12-14 | 2020-12-14 | Automatic polishing machine for outer wall of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468384.1A CN112706049B (en) | 2020-12-14 | 2020-12-14 | Automatic polishing machine for outer wall of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112706049A CN112706049A (en) | 2021-04-27 |
| CN112706049B true CN112706049B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011468384.1A Active CN112706049B (en) | 2020-12-14 | 2020-12-14 | Automatic polishing machine for outer wall of pipeline |
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| CN (1) | CN112706049B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918668B (en) * | 2022-06-15 | 2023-11-28 | 中建安装集团有限公司 | Pipeline groove polishing and welding device |
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| DE20217256U1 (en) * | 2002-11-08 | 2003-06-05 | Matsak Anatoliy | Grinding device for cross direction welds in steel pipes, has support for moving it in pipe axial direction and safety device for preventing casing movement in this direction |
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| CN101181779A (en) * | 2007-12-21 | 2008-05-21 | 陈美青 | Plane abrasive belt glazing machine |
| CN108188467A (en) * | 2018-03-19 | 2018-06-22 | 江苏科技大学 | A kind of self-propelled device for bellows cutting |
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| CN112706049A (en) | 2021-04-27 |
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