CN215547425U - Pipeline inner wall grinding device - Google Patents
Pipeline inner wall grinding device Download PDFInfo
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- CN215547425U CN215547425U CN202121353101.9U CN202121353101U CN215547425U CN 215547425 U CN215547425 U CN 215547425U CN 202121353101 U CN202121353101 U CN 202121353101U CN 215547425 U CN215547425 U CN 215547425U
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Abstract
The utility model discloses a pipeline inner wall polishing device, which comprises: the supporting mechanism is supported on the inner wall of the pipeline and is provided with an accommodating space; the polishing assembly is arranged in the accommodating space; the grinding machine comprises a supporting mechanism, a grinding motor and a grinding sheet, wherein the supporting mechanism is provided with a mounting plate, the mounting plate is provided with a driving mechanism, the grinding assembly comprises a grinding motor fixedly mounted on the driving mechanism and a grinding sheet mounted on the grinding motor, and the driving mechanism drives the grinding motor and the grinding sheet to move along the radial direction of a pipeline. Compared with the prior art, the pipeline inner wall polishing device can control the polishing motor fixedly arranged on the driving mechanism and the polishing sheet arranged on the polishing motor to move along the radial direction of the pipeline by controlling the driving mechanism, so that the radial adjustment and feeding operation is realized.
Description
Technical Field
The utility model belongs to the field of pipeline robots, and particularly relates to a pipeline inner wall polishing device.
Background
Pipeline transportation is widely applied to various fields due to the advantages of safety, low consumption, high efficiency and the like, pipelines transported in long distance are generally formed by welding pipe sections, and welding seams are formed among the pipe sections. The welding seam is easy to have various defects and needs to be polished and painted. If the welding seam is not ground or painted, the welding seam is easy to leak and even break due to corrosion. In order to reduce corrosion at the weld, the related art often polishes the weld by a manual method. However, due to the limitations of pipe length and pipe inside diameter, many pipes are difficult to manually grind to a weld in practical applications.
However, the pipeline inner wall polishing robot in the prior art is generally suitable for polishing the pipeline inner wall with unchanged pipe diameter and cannot be suitable for polishing the pipeline with changed inner diameter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: overcome at least one technical defect among the prior art, provide a pipeline inner wall grinding device.
In order to achieve the above object, the present invention provides a pipe inner wall polishing apparatus, comprising:
the supporting mechanism is used for supporting the inner wall of the pipeline and is provided with an accommodating space; the polishing assembly is arranged in the accommodating space;
the pipeline polishing device is characterized in that a mounting plate is arranged on the supporting mechanism, a driving mechanism is arranged on the mounting plate, the polishing assembly comprises a polishing motor fixedly mounted on the driving mechanism and a polishing sheet mounted on the polishing motor, and the driving mechanism drives the polishing motor to move along the radial direction of the pipeline.
According to one embodiment of the polishing device for the inner wall of the pipeline, the supporting mechanism is provided with a sliding plate, a radial moving motor is mounted on the sliding plate, the mounting plate is provided with a guide plate extending along the axial direction of the pipeline, and the radial moving motor is connected with the guide plate and drives the guide plate to move along the radial direction of the pipeline.
According to one embodiment of the polishing device for the inner wall of the pipeline, a motor shaft of the radial moving motor is provided with a transmission gear, a gear shaft of the transmission gear and the mounting plate are respectively provided with a synchronous wheel, the synchronous wheels are driven by a synchronous belt, the guide plate is fixed on the synchronous belt, and the radial moving motor drives the mounting plate and the driving mechanism arranged on the mounting plate to move along the radial direction of the pipeline through the transmission gear and the synchronous wheels.
According to one embodiment of the pipe inner wall grinding device, the sliding plate is provided with a guide rail, and the guide plate moves along the guide rail.
According to an embodiment of the polishing device for the inner wall of the pipeline, the sliding plate is provided with an axial moving device, the axial moving device comprises a frame, a sliding rod arranged on the frame, a linear bearing with a seat sleeved on the sliding rod, an axial moving motor and a synchronous transmission device provided with a pair of transmission wheels and a transmission belt, one side of the linear bearing with the seat is fixedly connected to the sliding plate, the other side of the linear bearing with the seat is fixedly connected with the transmission belt, and the axial moving motor drives the linear bearing with the seat to move along the axial direction of the pipeline through the synchronous transmission device.
According to one embodiment of the pipe inner wall grinding device of the present invention, the support mechanism includes a rotating plate frame, a pair of inner fixing plates respectively located at both sides of the rotating plate frame, a pair of centering members respectively located at outer sides of the pair of inner fixing plates, and a pair of support plates respectively located at outer sides of the pair of centering members, and the rotating plate frame and the pair of inner fixing plates enclose a housing space for housing the grinding assembly.
According to one embodiment of the pipeline inner wall grinding device, the rotating plate frame is provided with an illumination and camera device.
According to one embodiment of the pipe inner wall polishing device, a motor and a plurality of supporting claws are arranged between the centering component and the supporting plate, a driving gear is arranged on a rotating shaft of the motor, tooth parts which are simultaneously matched with the driving gear are respectively arranged at the end parts of the supporting claws, and the motor drives the driving gear to rotate and simultaneously drives the supporting claws to simultaneously extend or retract through the matching of the driving gear and the tooth parts.
According to one embodiment of the grinding device for the inner wall of the pipeline, a rotating motor is arranged between the centering component and the inner fixing plate, a rotating shaft of the rotating motor is provided with a first gear, a second gear matched with the first gear is fixedly arranged on the rotating plate frame, and the rotating motor drives the rotating plate frame to rotate along the circumferential direction of the pipeline through the matching of the first gear and the second gear.
According to one embodiment of the polishing device for the inner wall of the pipeline, the driving mechanism is a sliding table air cylinder.
Compared with the prior art, the pipeline inner wall polishing device has the following advantages:
the pipeline inner wall polishing device can control the polishing motor fixedly arranged on the sliding table cylinder and the polishing sheet arranged on the polishing motor to move along the radial direction of the pipeline by controlling the driving mechanism, so that the radial adjustment and feeding operation is realized. The contact pressure of the polishing sheet and the inner wall of the pipeline can be adjusted by controlling the pressure of the driving mechanism. By controlling the rotation and speed of the grinding motor, the rotating speed and the rotary cutting force of the grinding sheet can be controlled, so that the adjustable thickness grinding operation can be performed on the inner wall of the pipeline.
Drawings
The pipe inner wall polishing device of the present invention is described in detail below with reference to the accompanying drawings and the detailed description, wherein:
fig. 1 is a schematic structural view of the pipe inner wall polishing device of the present invention.
Fig. 2 is a schematic view of an installation structure of a polishing assembly in the polishing device for the inner wall of the pipeline.
Fig. 3 is a schematic structural view of an axial moving device in the polishing device for the inner wall of the pipeline of the present invention.
Fig. 4 is a schematic structural diagram of a supporting mechanism in the polishing device for the inner wall of the pipeline.
Fig. 5 is a schematic view of an installation structure of a support claw in the pipe inner wall grinding device of the present invention.
Fig. 6 is a schematic view of another installation structure of the support claw in the pipe inner wall grinding device of the present invention.
Fig. 7 is a schematic view of an installation structure of a rotating motor in the pipe inner wall polishing device according to the present invention.
In the figure:
10- -a support mechanism; 100- -a housing space; 102- -a mounting plate; 104- -slipway cylinder; 106- -a slide plate; 108- -radial movement motor; 110- -guide plate; 112- -synchronizing wheel; 114- -synchronous belt; 116- -a guide rail; 118- -a frame; 120- -a slide bar; 122- -linear bearing with bearing; 124- -axial moving motor; 126- -a transmission wheel; 128- -a belt; 130-rotating plate frame; 132- -inner fixed plate; 134- -centering member; 136- -a support plate; 138- -lighting and camera devices; 140- -an electric motor; 142-support jaw; 143 — drive gear; 144-a tooth portion; 146- -a rotating electrical machine; 148- -first gear; 150 — a second gear;
20- -grinding the assembly; 200- -grinding the motor; 202- -polishing pad.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 7, the present invention provides a polishing device for an inner wall of a pipeline, including:
the supporting mechanism 10 is used for supporting on the inner wall of the pipeline, and the supporting mechanism 10 is provided with an accommodating space 100; and
a grinding assembly 20 installed in the receiving space 100;
wherein, the supporting mechanism 10 is provided with a mounting plate 102, the mounting plate 102 is provided with a driving device, the grinding assembly 20 comprises a grinding motor 200 fixedly mounted on the driving device and a grinding sheet 202 mounted on the grinding motor 200, and the driving device drives the grinding motor 200 to move along the radial direction of the pipeline. In the illustrated embodiment, the drive means is a slide cylinder 104.
In the actual polishing operation process, by controlling the extension and retraction of the slide table cylinder 104, the polishing motor 200 fixedly mounted on the slide table cylinder 104 and the polishing plate 202 mounted on the polishing motor 200 can be controlled to move along the radial direction of the pipeline (i.e., along the radial direction of the pipeline), so as to realize the radial adjustment and feeding operation. The contact pressure of the polishing sheet 202 with the inner wall of the pipe can be adjusted by controlling the pressure of the slide table cylinder 104 as needed. The rotational speed and the rotational cutting force of the polishing plate 202 can be controlled by controlling the rotation and speed of the polishing motor 200 to perform an adjustable rough and fine polishing work on the inner wall of the pipe. The pipeline inner wall polishing device is simple in structure and convenient to operate, and the polishing sheet 202 has good self-adaptive characteristic to the pipeline by compressing and polishing through the air cylinder.
Referring to fig. 2, according to an embodiment of the present invention, a sliding plate 106 is disposed on the supporting mechanism 10, a radial moving motor 108 is mounted on the sliding plate 106, the mounting plate 102 has a guiding plate 110 extending along an axial direction of the pipeline, and the radial moving motor 108 is connected to the guiding plate 110 and drives the guiding plate 110 to move along a radial direction of the pipeline.
As shown in fig. 2, a transmission gear (not shown) is disposed at an end of a motor shaft of the radial moving motor 108, a synchronizing wheel 112 is disposed on a gear shaft (not shown) of the transmission gear and the mounting plate 102, the synchronizing wheel 112 is driven by a timing belt 114, and the guide plate 110 is fixed to the timing belt 114. After the radial moving motor 108 is started, the transmission gear and the synchronizing wheel 112 drive the mounting plate 102 and the sliding table cylinder 104 arranged on the mounting plate 102 to move along the radial direction of the pipeline. In the illustrated embodiment, the slide plate 106 is provided with a pair of guide rails 116, the guide plate 110 is provided with an insertion portion to be inserted into the guide rails 116, and the guide plate 110 moves along the guide rails 116. Through the drive of slip table cylinder 104, further through the cooperation of drive gear, synchronizing wheel 112, hold-in range 114, can realize the accurate removal of secondary, can adjust the position of polishing piece 202 very conveniently, accurately to realize carrying out accurate location to the pipeline welding seam and polish.
Referring to fig. 2 and 3 together, in an embodiment of the pipe inner wall grinding apparatus according to the present invention, the sliding plate 106 is provided with an axial moving device to achieve axial movement (movement along the length direction of the pipe) of the grinding assembly 20. The axial moving device comprises a frame 118, a sliding rod 120 mounted on the frame 118, a linear bearing with a seat 122 sleeved on the sliding rod 120, an axial moving motor 124, and a transmission device provided with a pair of transmission wheels 126 and a transmission belt 128. The linear seated bearing 122 is fixedly attached (e.g., bolted) to the slide plate 106 on one side (the upper side in FIG. 3) and fixedly attached to a drive belt 128 on the other side (the lower side in FIG. 3). The forward and reverse rotation of the axial moving motor 124 is controlled to drive the driving wheel 126 and the driving belt 128 to move, and the belt seat linear bearing 122 fixed on the driving belt 128 also reciprocates along the axial direction of the pipeline along with the driving belt 128, so that the grinding assembly 20 moves along the axial direction of the pipeline, and the accurate positioning grinding of the pipeline welding seam is realized.
Referring to fig. 4, according to an embodiment of the present invention, the supporting mechanism 10 includes a rotating plate frame 130, a pair of inner fixing plates 132 disposed at both sides of the rotating plate frame 130, a pair of centering members 134 disposed at outer sides of the pair of inner fixing plates 132, respectively, and a pair of supporting plates 136 disposed at outer sides of the pair of centering members 134, wherein the rotating plate frame 130 and the pair of inner fixing plates 132 together enclose a receiving space 100 for receiving the grinding assembly 20. In the illustrated embodiment, the rotating plate frame 130 is provided with an illumination and camera device 138, and the illumination and camera device 138 can be manually adjusted in angular position prior to operation to achieve precise positioning and tracking of the weld in real time.
Referring to fig. 5 and 6 together, according to an embodiment of the grinding apparatus for an inner wall of a pipe of the present invention, a motor 140 and a plurality of support claws 142 are provided between the centering member 134 and the support plate 136. Since the structure is substantially symmetrical, the embodiment shown in fig. 5 and 6 will be described with only one side taken as an example. A driving gear 143 is provided on a rotation shaft of the motor 140, and tooth portions 144 simultaneously engaged with the driving gear 143 are provided at end portions of the plurality of supporting claws 142, respectively. During the operation of polishing, motor 140 drives drive gear 143 and rotates to drive a plurality of support claws 142 through the cooperation of drive gear 143 and tooth portion 144 simultaneously and extend and support on the inner wall of pipeline simultaneously, can be well with whole pipeline inner wall grinding device be located pipeline circumference axis, and guarantee that whole pipeline inner wall grinding device's axis center and pipeline circumference axis coincide, thereby realize the location of whole pipeline inner wall grinding device in the pipeline. When it is desired to move the pipeline inner wall grinding device in the pipeline, the motor 140 is rotated in the reverse direction, and the plurality of support claws 142 are retracted by the engagement of the drive gear 143 and the tooth portions 144. In the illustrated embodiment, 3 support claws 142 are provided between the centering member 134 and the support plate 136 on each side, and the 3 support claws 142 are evenly distributed along the circumferential direction of the pipe.
Referring to fig. 7, according to an embodiment of the grinding apparatus for inner walls of pipelines of the present invention, a rotating motor 146 is disposed between the centering component 134 and the inner fixing plate 132, a first gear 148 is disposed on a rotating shaft of the rotating motor 146, a second gear 150 cooperating with the first gear 148 is fixedly disposed on the inner fixing plate 132, after the rotating motor 146 is started, the first gear 148 can be driven to rotate by controlling the forward and reverse rotation and the speed of the rotating motor 146, and further the rotating plate frame 130 and the grinding assembly 200 mounted on the rotating plate frame 130 are driven to rotate along the circumferential direction of the pipelines by cooperation of the first gear 148 and the second gear 150, so that the grinding plate 202 can perform precise grinding and polishing operations on the welding seams on the inner walls of the pipelines.
It should be noted that, according to an embodiment of the pipe inner wall grinding apparatus of the present invention, the grinding surface of the grinding plate 202 is parallel to the axial direction of the pipe. With the arrangement, the contact area between the polishing sheet 202 and the inner wall of the pipeline is large, so that instant impact force on the inner wall of the pipeline cannot be generated during initial contact, and the pipeline is not easy to cut and damage. In addition, although the present invention is described in the specification by taking the sliding table cylinder as an example, it is understood that the driving device may be other types of driving structures, such as a hydraulic driving structure, an electric driving structure, and a mechanical driving structure, as long as the grinding motor 200 and the grinding plate 202 can be driven to move along the radial direction of the pipe.
In combination with the above detailed description of the embodiments of the present invention, it can be seen that, compared with the prior art, the polishing device for the inner wall of the pipeline of the present invention has the following advantages:
through the flexible of control slip table cylinder, steerable fixed mounting is in the radial movement of the polishing motor on the slip table cylinder and the piece of polishing of installing on polishing motor along the pipeline, realizes radial regulation and feeds the operation. The contact pressure of the polishing piece and the inner wall of the pipeline can be adjusted by controlling the pressure of the sliding table cylinder. By controlling the rotation and speed of the motor, the rotating speed and the rotating cutting force of the polishing sheet can be controlled, so that the adjustable thickness polishing operation can be performed on the inner wall of the pipeline.
The present invention can be modified and adapted appropriately from the above-described embodiments, according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a pipeline inner wall grinding device which characterized in that includes:
the supporting mechanism is used for supporting the inner wall of the pipeline and is provided with an accommodating space; and
the grinding assembly is arranged in the accommodating space;
the grinding machine is characterized in that a mounting plate is arranged on the supporting mechanism, a driving mechanism is arranged on the mounting plate, the grinding assembly comprises a grinding motor fixedly mounted on the driving mechanism and a grinding sheet mounted on the grinding motor, and the driving mechanism drives the grinding motor and the grinding sheet to move along the radial direction of the pipeline.
2. The pipe inner wall grinding device according to claim 1, wherein the support mechanism is provided with a slide plate on which a radial moving motor is mounted, the mounting plate has a guide plate extending in an axial direction of the pipe, and the radial moving motor is connected to the guide plate and drives the guide plate to move in a radial direction of the pipe.
3. The polishing device for the inner wall of the pipeline as claimed in claim 2, wherein a motor shaft of the radial moving motor is provided with a transmission gear, a gear shaft of the transmission gear and the sliding plate are respectively provided with a synchronizing wheel, the synchronizing wheels are driven by a synchronous belt, the guide plate is fixed on the synchronous belt, and the radial moving motor drives the mounting plate and the driving mechanism arranged on the mounting plate to move along the radial direction of the pipeline through the transmission gear and the synchronizing wheels.
4. The pipe inner wall grinding device according to claim 2, wherein the sliding plate is provided with a guide rail, and the guide plate moves along the guide rail.
5. The polishing device for the inner wall of the pipeline as claimed in claim 2, wherein the sliding plate is provided with an axial moving device, the axial moving device comprises a frame, a sliding rod mounted on the frame, a linear bearing with a seat sleeved on the sliding rod, an axial moving motor, and a transmission device provided with a pair of transmission wheels and a transmission belt, one side of the linear bearing with a seat is fixedly connected to the sliding plate, the other side of the linear bearing with a seat is fixedly connected to the transmission belt, and the axial moving motor drives the linear bearing with a seat to move axially along the pipeline through the transmission device.
6. The pipeline inner wall grinding device as claimed in claim 1, wherein the support mechanism includes a rotary plate frame, a pair of inner fixing plates located at both sides of the rotary plate frame, a pair of centering members located at outer sides of the pair of inner fixing plates, respectively, and a pair of support plates located at outer sides of the pair of centering members, respectively, the rotary plate frame and the pair of inner fixing plates enclosing a housing space for housing the grinding assembly.
7. The pipe inner wall grinding device as claimed in claim 6, wherein the rotating plate frame is provided with an illumination and camera device.
8. The grinding device for the inner wall of the pipeline as claimed in claim 6, wherein a motor and a plurality of supporting claws are arranged between the centering component and the supporting plate, a driving gear is arranged on a rotating shaft of the motor, tooth parts which are simultaneously matched with the driving gear are respectively arranged at the end parts of the plurality of supporting claws, and the motor drives the driving gear to rotate and simultaneously drives the plurality of supporting claws to simultaneously extend or retract through the matching of the driving gear and the tooth parts.
9. The grinding device for the inner wall of the pipeline as claimed in claim 6, wherein a rotating motor is arranged between the centering component and the inner fixing plate, a first gear is arranged on a rotating shaft of the rotating motor, a second gear matched with the first gear is fixedly arranged on the rotating plate frame, and the rotating motor drives the rotating plate frame to rotate along the circumferential direction of the pipeline through matching of the first gear and the second gear.
10. The pipe inner wall grinding device according to any one of claims 1 to 9, wherein the drive mechanism is a slide table cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121353101.9U CN215547425U (en) | 2021-06-17 | 2021-06-17 | Pipeline inner wall grinding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121353101.9U CN215547425U (en) | 2021-06-17 | 2021-06-17 | Pipeline inner wall grinding device |
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CN215547425U true CN215547425U (en) | 2022-01-18 |
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CN202121353101.9U Active CN215547425U (en) | 2021-06-17 | 2021-06-17 | Pipeline inner wall grinding device |
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2021
- 2021-06-17 CN CN202121353101.9U patent/CN215547425U/en active Active
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