CN212470973U - Grinding device for nondestructive testing of power station boiler pipeline - Google Patents
Grinding device for nondestructive testing of power station boiler pipeline Download PDFInfo
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- CN212470973U CN212470973U CN202020555178.3U CN202020555178U CN212470973U CN 212470973 U CN212470973 U CN 212470973U CN 202020555178 U CN202020555178 U CN 202020555178U CN 212470973 U CN212470973 U CN 212470973U
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Abstract
The utility model discloses a polishing device for nondestructive testing of a power station boiler pipeline, which comprises a motor, a push rod, a hand lever, two first support columns, a mounting disc and a plurality of telescopic polishing devices; the push rod is fixedly arranged on one side of the motor, which is far away from the output shaft, the hand lever is fixedly arranged at one end of the push rod, which is far away from the motor, and the two first support columns are fixedly arranged at the bottom of the motor; the mounting disc is fixedly mounted on an output shaft of the motor, and the plurality of telescopic polishing devices are fixedly mounted on the mounting disc; all seted up first smooth chamber on two first pillars, slidable mounting has first slider in the first smooth chamber, and the top fixed mounting of first slider has the spring, the top of spring and the top inner wall fixed connection in first smooth chamber, and the bottom fixed mounting of first slider has first slide bar, and the bottom of first slide bar extends to the outside of first pillar, and the bottom of first slide bar is provided with the guide pulley. The utility model has the advantages of convenient use, good polishing effect and convenient detection.
Description
Technical Field
The utility model relates to a pipeline technical field that polishes especially relates to a power plant boiler pipeline is grinding device for nondestructive test.
Background
The utility boiler is also called as a power plant boiler, and refers to a medium-large boiler which provides steam with specified quantity and quality to a steam turbine in a power plant, one of main thermal equipment of a thermal power plant is often matched with a steam turbine generator unit with certain capacity and is mainly used for power generation, but the utility boiler can also be used for external heat supply in some special occasions, and the utility boiler plays an important role as a pipeline for mainly transmitting energy in the power plant boiler, and the sealing of the pipeline is good or bad, so that the power generation efficiency is directly influenced, therefore, the inner wall of the pipeline is required to be detected when the utility boiler is produced, and regular inspection is also required in use.
Most of the traditional nondestructive testing methods are external testing methods, because a large amount of scales exist in the pipeline, the scales are removed manually, time and labor are wasted, and great troubles are brought to the detection of the damage degree of the interior of the pipeline.
Therefore, it is necessary to provide a new grinding device for nondestructive testing of boiler pipelines in power stations to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a convenient to use, polish effectual, the power plant boiler pipeline grinding device for nondestructive test of being convenient for detect.
The utility model provides a technical scheme that above-mentioned problem adopted is: a grinding device for nondestructive testing of a power station boiler pipeline is characterized by comprising a motor, a push rod, a hand lever, two first support columns, a mounting disc and a plurality of telescopic grinding devices; the push rod is fixedly arranged on one side of the motor, which is far away from the output shaft, the hand lever is fixedly arranged at one end of the push rod, which is far away from the motor, and the two first support columns are fixedly arranged at the bottom of the motor; the mounting disc is fixedly mounted on an output shaft of the motor, the plurality of telescopic polishing devices are fixedly mounted on the mounting disc and are distributed in a circular array; two all seted up first smooth chamber on the first pillar, slidable mounting has first slider in the first smooth chamber, the top fixed mounting of first slider has the spring, the top of spring with the top inner wall fixed connection in first smooth chamber, the bottom fixed mounting of first slider has first slide bar, the bottom of first slide bar extends to the outside of first pillar, the bottom of first slide bar is provided with the guide pulley.
Further, the telescopic grinding device comprises a second support column, a second sliding block, a second sliding rod and a grinding sheet; the second pillar is fixedly mounted on the mounting disc, a second sliding cavity is formed in the second pillar, the second sliding block is slidably mounted in the second sliding cavity, the second sliding rod is fixedly mounted on one side, far away from the mounting disc, of the second sliding block, one end, far away from the second sliding block, of the second sliding rod extends to the outside of the second pillar, the polishing sheet is fixedly mounted on one end, far away from the second sliding rod, of the second sliding block, and a plurality of thread grooves are formed in the second sliding rod and are uniformly distributed.
Furthermore, first slide opening has been seted up to the bottom in second slide chamber, fixed mounting has two locating pieces on the inner wall in first slide opening, the constant head tank has all been seted up to the both sides of second slide bar, two the one end that the locating piece is close to each other extends to two respectively in the constant head tank and with the inner wall sliding connection of constant head tank.
Furthermore, a positioning bolt is installed on the side wall of the second support column in a threaded mode, and the positioning bolt is matched with the plurality of thread grooves.
Furthermore, the polishing sheet is of an arc-shaped structure, and a polishing layer is arranged on one side, far away from the second sliding rod, of the polishing sheet.
Furthermore, a second sliding hole is formed in the bottom of the first sliding cavity, and the first sliding rod penetrates through the second sliding hole.
Compared with the prior art, the utility model, have following advantage and effect: the guide pulley can its degree of pasting tight pipe inner wall of self-adaptation, and the guide pulley has alleviateed the handheld burden of this device of operating personnel simultaneously, uses comparatively laborsavingly, and the scalable grinding device who uses in the cooperation polishes pipe inner wall, and the operating personnel of being convenient for detects pipe inner wall, can carry out a lot of adjustment simultaneously, and the adjustment flexibility ratio is higher.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of a polishing device for nondestructive testing of a boiler pipeline of a power station provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is a front view of the polishing device for nondestructive testing of boiler pipelines of power stations provided by the present invention;
FIG. 4 is an enlarged schematic view of a portion B shown in FIG. 3;
fig. 5 is a side view of the polishing pad of the present invention.
In the figure: the polishing device comprises a motor 1, a push rod 2, a hand lever 3, a first support 4, a first sliding cavity 5, a first sliding block 6, a spring 7, a first sliding rod 8, a guide wheel 9, a mounting disc 10, a second support 11, a second sliding cavity 12, a second sliding block 13, a second sliding rod 14, a polishing sheet 15, a threaded groove 16, a first sliding hole 17, a positioning groove 18, a positioning bolt 19, a polishing layer 20 and a second sliding hole 21.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 5, in the present embodiment, a polishing device for nondestructive testing of a boiler pipeline of a power station includes a motor 1, a push rod 2, a hand lever 3, two first pillars 4, a mounting disc 10, and a plurality of retractable polishing devices; the push rod 2 is fixedly arranged on one side of the motor 1 far away from the output shaft, the hand lever 3 is fixedly arranged on one end of the push rod 2 far away from the motor 1, and the two first supports 4 are fixedly arranged at the bottom of the motor 1; the mounting disc 10 is fixedly mounted on an output shaft of the motor 1, the plurality of telescopic polishing devices are fixedly mounted on the mounting disc 10 and are distributed in a circular array; first smooth chamber 5 has all been seted up on two first pillars 4, slidable mounting has first slider 6 in first smooth chamber 5, the top fixed mounting of first slider 6 has spring 7, the top of spring 7 and the top inner wall fixed connection in first smooth chamber 5, the bottom fixed mounting of first slider 6 has first slide bar 8, the bottom of first slide bar 8 extends to the outside of first pillar 4, the bottom sliding connection in first slide bar 8 and first smooth chamber 5, the bottom of first slide bar 8 is provided with guide pulley 9.
In this embodiment, the retractable polishing device includes a second pillar 11, a second slider 13, a second sliding rod 14, and a polishing sheet 15; second pillar 11 fixed mounting has been seted up on mounting disc 10 on the second pillar 11 and has been slided chamber 12, second slider 13 slidable mounting is in second sliding chamber 12, second slide bar 14 fixed mounting is in one side that mounting disc 10 was kept away from to second slider 13, the one end that second slider 13 was kept away from to second slide bar 14 extends to the outside of second pillar 11, the one end that second slider 13 was kept away from to piece 15 fixed mounting of polishing is kept away from to second slide bar 14 in second slide bar 14, a plurality of thread grooves 16 have been seted up on second slide bar 14, a plurality of thread grooves 16 evenly distributed.
In this embodiment, the bottom of the second sliding cavity 12 is provided with a first sliding hole 17, two positioning blocks are fixedly mounted on the inner wall of the first sliding hole 17, positioning grooves 18 are respectively formed on two sides of the second sliding rod 14, and ends of the two positioning blocks, which are close to each other, respectively extend into the two positioning grooves 18 and are slidably connected with the inner walls of the positioning grooves 18.
In this embodiment, a positioning bolt 19 is threadedly mounted on the sidewall of the second pillar 11, and the positioning bolt 19 is matched with the plurality of threaded grooves 16.
In this embodiment, the polishing sheet 15 has an arc-shaped structure, and a polishing layer 20 is disposed on a side of the polishing sheet 15 away from the second sliding bar 14.
In this embodiment, the bottom of the first sliding cavity 5 is provided with a second sliding hole 21, and the first sliding rod 8 penetrates through the second sliding hole 21 and is slidably connected with the inner wall of the second sliding hole 21.
The working principle is as follows: when the device is used, the extension length of the second slide bar 14 is adjusted according to the inner diameter of a pipeline to be polished, when the device is adjusted, the positioning bolt 19 is unscrewed by using a tool, the positioning bolt 19 is separated from the corresponding thread groove 16, the positioning bolt 19 can be locked after the extension length of the second slide bar 14 is confirmed, the second slide bar 14 and the second strut 11 are fixed, then the device is plugged into the pipeline, the polishing disc 15 is in contact with the inner wall of the pipeline, the bottom of the guide wheel 9 is in contact with the inner wall of the bottom of the pipeline, then the motor 1 is started, when the output shaft of the motor 1 rotates, the device is gradually pushed by the hand-held rod 3 to slide into the pipeline, when the output shaft of the motor 1 rotates, the mounting disc 10 is driven to rotate, when the mounting disc 10 rotates, the plurality of telescopic polishing devices are driven to rotate, when the plurality of polishing discs 15 rotate, the inner wall of the pipeline is polished, when polishing is finished once, secondary, use comparatively nimble, when pushing away motor 1, the guide pulley 9 of bottom rotates, has reduced the handheld burden of people, and the spring 7 of inside setting can make the bottom inner wall that guide pulley 9 self-adaptation contacted the pipeline simultaneously.
Those not described in detail in this specification are well within the skill of the art.
In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A grinding device for nondestructive testing of a boiler pipeline of a power station is characterized by comprising a motor (1), a push rod (2), a hand lever (3), two first support columns (4), a mounting disc (10) and a plurality of telescopic grinding devices; the push rod (2) is fixedly arranged on one side, far away from the output shaft, of the motor (1), the hand lever (3) is fixedly arranged at one end, far away from the motor (1), of the push rod (2), and the two first supporting columns (4) are fixedly arranged at the bottom of the motor (1); the mounting disc (10) is fixedly mounted on an output shaft of the motor (1), the plurality of telescopic grinding devices are fixedly mounted on the mounting disc (10), and the plurality of telescopic grinding devices are distributed in a circular array; two first smooth chamber (5) have all been seted up on first pillar (4), slidable mounting has first slider (6) in first smooth chamber (5), the top fixed mounting of first slider (6) has spring (7), the top of spring (7) with the top inner wall fixed connection of first smooth chamber (5), the bottom fixed mounting of first slider (6) has first slide bar (8), the bottom of first slide bar (8) extends to the outside of first pillar (4), the bottom of first slide bar (8) is provided with guide pulley (9).
2. The grinding device for nondestructive testing of utility boiler pipelines according to claim 1, characterized in that the retractable grinding device comprises a second pillar (11), a second slider (13), a second slide bar (14) and a grinding sheet (15); the second strut (11) is fixedly mounted on the mounting disc (10), a second sliding cavity (12) is formed in the second strut (11), the second sliding block (13) is slidably mounted in the second sliding cavity (12), the second sliding rod (14) is fixedly mounted on one side, away from the mounting disc (10), of the second sliding block (13), one end, away from the second sliding block (13), of the second sliding rod (14) extends to the outside of the second strut (11), the polishing disc (15) is fixedly mounted at one end, away from the second sliding block (13), of the second sliding rod (14), the second sliding rod (14) is provided with a plurality of thread grooves (16), and the thread grooves (16) are uniformly distributed.
3. The grinding device for the nondestructive testing of the pipeline of the utility boiler as defined in claim 2, wherein a first slide hole (17) is formed at the bottom of the second slide chamber (12), two positioning blocks are fixedly mounted on the inner wall of the first slide hole (17), positioning grooves (18) are formed on both sides of the second slide bar (14), and the ends of the two positioning blocks close to each other extend into the two positioning grooves (18) and are slidably connected with the inner walls of the positioning grooves (18).
4. The grinding device for nondestructive testing of utility boiler pipelines according to claim 2, characterized in that the side wall of the second pillar (11) is threadedly mounted with a positioning bolt (19), and the positioning bolt (19) is matched with a plurality of the threaded grooves (16).
5. The grinding device for nondestructive testing of utility boiler pipelines according to claim 2, characterized in that the grinding sheet (15) is of an arc-shaped structure, and a grinding layer (20) is provided on a side of the grinding sheet (15) remote from the second slide bar (14).
6. The grinding device for the nondestructive testing of the pipeline of the utility boiler as defined in claim 1, wherein a second slide hole (21) is opened at the bottom of the first slide chamber (5), and the first slide bar (8) passes through the second slide hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020555178.3U CN212470973U (en) | 2020-04-15 | 2020-04-15 | Grinding device for nondestructive testing of power station boiler pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020555178.3U CN212470973U (en) | 2020-04-15 | 2020-04-15 | Grinding device for nondestructive testing of power station boiler pipeline |
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| CN212470973U true CN212470973U (en) | 2021-02-05 |
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| CN202020555178.3U Active CN212470973U (en) | 2020-04-15 | 2020-04-15 | Grinding device for nondestructive testing of power station boiler pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878435A (en) * | 2021-10-26 | 2022-01-04 | 新晃晃新塑业有限公司 | PVC water pipe trimming equipment |
| CN114814082A (en) * | 2022-03-15 | 2022-07-29 | 华电电力科学研究院有限公司 | Boiler pressure vessel inspection and detection device |
-
2020
- 2020-04-15 CN CN202020555178.3U patent/CN212470973U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878435A (en) * | 2021-10-26 | 2022-01-04 | 新晃晃新塑业有限公司 | PVC water pipe trimming equipment |
| CN114814082A (en) * | 2022-03-15 | 2022-07-29 | 华电电力科学研究院有限公司 | Boiler pressure vessel inspection and detection device |
| CN114814082B (en) * | 2022-03-15 | 2023-06-09 | 华电电力科学研究院有限公司 | Boiler pressure vessel inspection detection device |
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