CN214642627U - 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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- CN214642627U CN214642627U CN202120855348.4U CN202120855348U CN214642627U CN 214642627 U CN214642627 U CN 214642627U CN 202120855348 U CN202120855348 U CN 202120855348U CN 214642627 U CN214642627 U CN 214642627U
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Abstract
The utility model discloses a grinding device for nondestructive testing of a power station boiler pipeline, which comprises two symmetrically arranged lifting seats, a horizontal moving mechanism and a rotary grinding mechanism; the rotary polishing mechanism is arranged on the horizontal moving mechanism, and the axial displacement of the rotary polishing mechanism in the pipeline is realized by starting the horizontal moving mechanism; the horizontal moving mechanism is arranged between the two lifting seats, and the height of the rotary polishing mechanism in the pipeline is adjusted through the lifting seats, so that the rotary center of the rotary polishing mechanism is positioned at the axis inside the pipeline; the rotary grinding mechanism is a telescopic mechanism and is used for adapting to pipelines with different inner diameters. This power plant boiler is grinding device for pipeline nondestructive test, rational in infrastructure, the simple operation, and be favorable to improving grinding device and to the efficiency of polishing of pipeline inner wall, be favorable to using widely.
Description
Technical Field
The utility model belongs to the technical field of the boiler pipeline polishes, concretely relates to power plant boiler pipeline is grinding device for nondestructive test.
Background
Utility boilers, also known as power plant boilers, refer to medium and large boilers in power plants that provide steam to turbines in a specified amount and quality. One of the main thermal equipment of a thermal power plant. It is usually matched with a turbo-generator set with a certain capacity, mainly used for generating electricity, but also can be used for supplying heat to the outside in some special occasions.
At present, the nondestructive test of current utility boiler pipeline is mostly only to the outside of pipeline, and whether inside pipeline is harmless also equally important, because the inside contains a large amount of incrustations scales of pipeline of long-term use, consequently need use grinding device to get rid of the incrustation scale just can be convenient for the nondestructive test of pipeline inner wall, and current grinding device's use flexibility is not high, and the effect of polishing is not good, consequently, needs further improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power plant boiler pipeline grinding device for nondestructive test to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a grinding device for nondestructive testing of a boiler pipeline of a power station comprises two symmetrically arranged lifting seats, a horizontal moving mechanism and a rotary grinding mechanism; the rotary polishing mechanism is arranged on the horizontal moving mechanism, and the axial displacement of the rotary polishing mechanism in the pipeline is realized by starting the horizontal moving mechanism; the horizontal moving mechanism is arranged between the two lifting seats, and the height of the rotary polishing mechanism in the pipeline is adjusted through the lifting seats, so that the rotary center of the rotary polishing mechanism is positioned at the axis inside the pipeline; the rotary grinding mechanism is a telescopic mechanism and is used for adapting to pipelines with different inner diameters.
The specific scheme about the lifting seat is as follows: the lifting seat comprises a bottom plate, a first electric telescopic rod, a fixing plate and a side plate; the first electric telescopic rod is connected between the bottom plate and the fixing plate, and the side plate is installed on the fixing plate; the horizontal moving mechanism is arranged between the two side plates.
The specific scheme about the horizontal moving mechanism is as follows: the horizontal moving mechanism comprises a screw rod, a sliding sleeve, a first motor and a bearing; the first motor is arranged on the lifting seat on one side, one end of the screw rod is connected with an output shaft of the first motor, and the other end of the screw rod is arranged on the lifting seat on the other side through a bearing; the sliding sleeve is installed on the lead screw, and screw thread fit between the sliding sleeve and the lead screw, the rotary polishing mechanism is installed on the sliding sleeve.
As the utility model discloses an optimization scheme: the lead screw is cup jointed by a plurality of threaded rods end to end and constitutes for the length of adjusting the lead screw realizes adjusting sliding sleeve displacement range.
The preferable scheme is as follows: the one end fixedly connected with lug of threaded rod, the recess of mutually supporting with the lug is seted up to the other end of threaded rod, just the lateral wall of lug and the inside wall of recess (seted up the thread groove of mutually supporting respectively.
As the utility model discloses an optimization scheme: still install second electric telescopic handle on the sliding sleeve, second electric telescopic handle's flexible end fixed mounting has the wheel that rolls, starts second electric telescopic handle and drives the wheel that rolls and remove to with pipeline diapire butt to improve the stability of second motor.
The specific scheme about the rotary grinding mechanism is as follows: the rotary polishing mechanism comprises a second motor, a motor mounting seat and a telescopic polishing block; the second motor is connected with the horizontal moving mechanism through a motor mounting seat; the output shaft of the second motor is connected with a connecting rod, the connecting rod is connected with a fixed block through a flange piece, and telescopic grinding blocks are respectively installed on two sides of the fixed block.
The preferable scheme is as follows: the telescopic polishing block comprises a third electric telescopic rod, a mounting plate and a polishing block; third electric telescopic handle one end links to each other with the fixed block, and the third electric telescopic handle other end links to each other with the mounting panel, the piece of polishing is installed on the mounting panel.
As the utility model discloses an optimization scheme: the lateral wall of fixed block both ends fixedly connected with auxiliary frame respectively, just auxiliary frame and third electric telescopic handle joint.
The preferable scheme is as follows: the motor mounting seat comprises a bearing plate, a supporting column, a fixing frame and a protection plate; the utility model discloses a sanding block, including mount, supporting column, baffle, supporting column, grinding block, mount both ends lateral wall are connected with the board of accepting that the level set up respectively, the top of accepting the board is connected with through the support column and is circular-arc guard plate, just the guard plate is towards the baffle of the vertical setting of one end fixedly connected with of grinding block.
The utility model discloses a technological effect and advantage:
this power plant boiler pipeline grinding device for nondestructive test, rely on third electric telescopic handle to drive mounting panel and the removal of sanding block, thereby be convenient for adjust the position of sanding block according to the radial size of pipeline, so that sanding block and pipeline inner wall butt, rely on mutually supporting between lead screw and the sliding sleeve, make the lead screw can drive the sliding sleeve when rotating and rotate, thereby drive mount and second motor and remove, can realize the back and forth polishing of pipeline inner wall, be favorable to improving the descale effect, furthermore, cup joint through the screw of a plurality of threaded rods head and the tail, be convenient for tear open the lead screw according to the user demand, thereby be convenient for adjust the scope that the sliding sleeve removed, and the practicability is improved. This power plant boiler is grinding device for pipeline nondestructive test, rational in infrastructure, the simple operation, and be favorable to improving grinding device and to the efficiency of polishing of pipeline inner wall, be favorable to using widely.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a second motor according to the present invention;
fig. 3 is a schematic view of the threaded rod structure of the present invention;
fig. 4 is a schematic view of the side plate structure of the present invention.
In the figure: the device comprises a screw rod 1, a sliding sleeve 2, a first motor 3, a protection plate 4, a side plate 5, a fixing plate 6, a first electric telescopic rod 7, a bottom plate 8, a second motor 9, a support column 10, a bearing plate 11, a fixing frame 12, a second electric telescopic rod 13, a rolling wheel 14, a baffle plate 15, a connecting rod 16, a mounting plate 17, a third electric telescopic rod 18, an auxiliary frame 19, a fixing block 20, a polishing block 21, a convex block 22, a groove 23 and a bearing 24.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a grinding device for power plant boiler pipeline nondestructive test as shown in fig. 1-4, including lead screw 1, sliding sleeve 2, and sanding block 21, sliding sleeve 2 has been cup jointed to the screw thread on the lead screw 1, sliding sleeve 2's top and mount 12 fixed connection, mount 12's top fixed joint has second motor 9, second motor 9's output shaft fixedly connected with connecting rod 16, flange piece fixedly connected with fixed block 20 is passed through to the one end that second motor 9 was kept away from to connecting rod 16, fixed block 20 keeps away from the relative both sides difference fixed mounting of second motor 9 one end and has third electric telescopic handle 18, the flexible end of two third electric telescopic handle 18 has sanding block 21 through mounting panel 17 fixed mounting respectively, and two relative both ends of sanding block 21 are circular-arcly respectively.
The screw rod 1 is composed of a plurality of threaded rods, the threaded rods are sleeved with each other through threads between the head end and the tail end, one end of any one threaded rod is fixedly connected with an output shaft of the first motor 3, the first motor 3 is fixedly installed on the side wall of the side plate 5, the side plates 5 are oppositely distributed and provided with two blocks, the bottom ends of the two side plates 5 are respectively and fixedly connected with a fixing plate 6, the top end of the fixing plate 6 is fixedly connected with at least two first electric telescopic rods 7 which are oppositely distributed, and the fixed end of each first electric telescopic rod 7 is fixedly connected with the bottom plate 8.
The utility model discloses a concrete scheme, the relative both ends lateral wall in mount 12 top is fixed connection respectively has the board 11 of accepting of level setting, and the top of accepting board 11 is equipped with the top through support column 10 mount and is circular-arc guard plate 4, and guard plate 4 towards the baffle 15 of the vertical setting of one end fixedly connected with of sanding block 21, and baffle 15 and guard plate 4 play the guard action to second motor 9.
According to the specific scheme, a bearing 24 is embedded in a side plate 5 far away from the first motor 3, one end of any threaded rod is connected with the bearing 24 through a flange piece and a connecting rod 16, and the stability of the screw rod 1 during rotation is improved by means of the bearing 24.
The concrete scheme, the one end fixedly connected with lug 22 of threaded rod, the recess 23 of mutually supporting with lug 22 is seted up to the other end of threaded rod, and the thread groove of mutually supporting is seted up respectively to the lateral wall of lug 22 and the inside wall of recess 23, through the screw-thread fit between recess 23 and lug 22, the dismouting between a plurality of threaded rods of being convenient for.
The utility model discloses a concrete scheme, the top of sliding sleeve 2 is located fixed mounting at middle has second electric telescopic handle 13, and the flexible fixed mounting of second electric telescopic handle 13 has rolling wheel 14, relies on rolling wheel 14 to improve the stability that sliding sleeve 2 removed.
According to the specific scheme, the fixing block 20 is far away from the two opposite end side walls of one end of the second motor 9, the auxiliary frame 19 is fixedly connected with the two opposite end side walls respectively, and the auxiliary frame 19 is connected with the third electric telescopic rod 18 in a clamping mode and is used for supporting force of the third electric telescopic rod 18.
The working principle is as follows: when the polishing device for nondestructive testing of the power station boiler pipeline is used, the sliding sleeve 2 is in threaded sleeve connection with the threaded rod connected with the first motor 3, then the threaded rods are in threaded fit between the convex block 22 and the groove 23 on the threaded rod, the threaded rods are in end-to-end sleeve connection, the number of the threaded rods is adjusted according to the length of the pipeline, the installed screw rod 1 is inserted into the pipeline, at the moment, the first electric telescopic rod 7 is started according to the use requirement to adjust the height of the side plate 5, so that the fixing block 20 is positioned at the axis position inside the pipeline, then the second electric telescopic rod 13 is started to drive the rolling wheel 14 to move to abut against the bottom wall of the pipeline so as to improve the stability of the second motor 9, the third electric telescopic rod 18 is started again to drive the mounting plate 17 and the polishing block 21 to move to abut against the inner wall of the pipeline, and then the threaded rod 1 provided with the flange plate is connected with the bearing 24 through the matching of the flange plate and the connecting rod 16, then start second motor 9, make second motor 9 drive fixed block 20 and the rotation of sanding block 21 to polish the pipeline inner wall, get rid of the incrustation scale, restart first motor 3 and drive lead screw 1 and rotate, rely on sliding sleeve 2 and the screw of lead screw 1 to cup joint, can make sliding sleeve 2 drive first motor 3 and remove, thereby drive sanding block 21 and polish at pipeline inner wall back and forth. This power plant boiler is grinding device for pipeline nondestructive test, rational in infrastructure, the simple operation, and be favorable to improving grinding device and to the efficiency of polishing of pipeline inner wall, be favorable to using widely.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a grinding device for nondestructive test of power plant boiler pipeline which characterized in that:
comprises two symmetrically arranged lifting seats, a horizontal moving mechanism and a rotary polishing mechanism;
the rotary polishing mechanism is arranged on the horizontal moving mechanism, and the axial displacement of the rotary polishing mechanism in the pipeline is realized by starting the horizontal moving mechanism;
the horizontal moving mechanism is arranged between the two lifting seats, and the height of the rotary polishing mechanism in the pipeline is adjusted through the lifting seats, so that the rotary center of the rotary polishing mechanism is positioned at the axis inside the pipeline;
the rotary grinding mechanism is a telescopic mechanism and is used for adapting to pipelines with different inner diameters.
2. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 1, characterized in that:
the lifting seat comprises a bottom plate, a first electric telescopic rod, a fixing plate and a side plate;
the first electric telescopic rod is connected between the bottom plate and the fixing plate, and the side plate is installed on the fixing plate;
the horizontal moving mechanism is arranged between the two side plates.
3. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 1, characterized in that:
the horizontal moving mechanism comprises a screw rod, a sliding sleeve, a first motor and a bearing;
the first motor is arranged on the lifting seat on one side, one end of the screw rod is connected with an output shaft of the first motor, and the other end of the screw rod is arranged on the lifting seat on the other side through a bearing;
the sliding sleeve is installed on the lead screw, and screw thread fit between the sliding sleeve and the lead screw, the rotary polishing mechanism is installed on the sliding sleeve.
4. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 3, characterized in that:
the lead screw is cup jointed by a plurality of threaded rods end to end and constitutes for the length of adjusting the lead screw realizes adjusting sliding sleeve displacement range.
5. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 4, characterized in that:
the one end fixedly connected with lug of threaded rod, the recess of mutually supporting with the lug is seted up to the other end of threaded rod, just the lateral wall of lug and the inside wall of recess (seted up the thread groove of mutually supporting respectively.
6. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 3, characterized in that:
and a second electric telescopic rod is further installed on the sliding sleeve, and a rolling wheel is fixedly installed at the telescopic end of the second electric telescopic rod.
7. The grinding device for the nondestructive testing of the utility boiler pipeline according to any one of claims 1 to 6, characterized in that:
the rotary polishing mechanism comprises a second motor, a motor mounting seat and a telescopic polishing block;
the second motor is connected with the horizontal moving mechanism through a motor mounting seat;
the output shaft of the second motor is connected with a connecting rod, the connecting rod is connected with a fixed block through a flange piece, and telescopic grinding blocks are respectively installed on two sides of the fixed block.
8. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 7, characterized in that:
the telescopic polishing block comprises a third electric telescopic rod, a mounting plate and a polishing block;
third electric telescopic handle one end links to each other with the fixed block, and the third electric telescopic handle other end links to each other with the mounting panel, the piece of polishing is installed on the mounting panel.
9. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 8, characterized in that:
the lateral wall of fixed block both ends fixedly connected with auxiliary frame respectively, just auxiliary frame and third electric telescopic handle joint.
10. The grinding device for the nondestructive testing of the utility boiler pipeline according to claim 7, characterized in that:
the motor mounting seat comprises a bearing plate, a supporting column, a fixing frame and a protection plate;
the utility model discloses a sanding block, including mount, supporting column, baffle, supporting column, grinding block, mount both ends lateral wall are connected with the board of accepting that the level set up respectively, the top of accepting the board is connected with through the support column and is circular-arc guard plate, just the guard plate is towards the baffle of the vertical setting of one end fixedly connected with of grinding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855348.4U CN214642627U (en) | 2021-04-25 | 2021-04-25 | Grinding device for nondestructive testing of power station boiler pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855348.4U CN214642627U (en) | 2021-04-25 | 2021-04-25 | Grinding device for nondestructive testing of power station boiler pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN214642627U true CN214642627U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120855348.4U Expired - Fee Related CN214642627U (en) | 2021-04-25 | 2021-04-25 | Grinding device for nondestructive testing of power station boiler pipeline |
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| CN (1) | CN214642627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700735A (en) * | 2022-04-26 | 2022-07-05 | 中国水利水电第四工程局有限公司 | Supplementary suit support of adjusting well of small-bore pipeline welding of complicated topography |
-
2021
- 2021-04-25 CN CN202120855348.4U patent/CN214642627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700735A (en) * | 2022-04-26 | 2022-07-05 | 中国水利水电第四工程局有限公司 | Supplementary suit support of adjusting well of small-bore pipeline welding of complicated topography |
| CN114700735B (en) * | 2022-04-26 | 2023-03-24 | 中国水利水电第四工程局有限公司 | Supplementary suit support of adjusting well of small-bore pipeline welding of complicated topography |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |