CN217687161U - Pipeline undercoating detection device - Google Patents
Pipeline undercoating detection device Download PDFInfo
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- CN217687161U CN217687161U CN202221449526.4U CN202221449526U CN217687161U CN 217687161 U CN217687161 U CN 217687161U CN 202221449526 U CN202221449526 U CN 202221449526U CN 217687161 U CN217687161 U CN 217687161U
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- bevel gear
- connecting disc
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Abstract
The utility model discloses a pipeline inner coating detection device, which relates to the field of coating detection devices and comprises a push rod, wherein a connecting disc is fixedly welded at one end of the push rod, and a supporting mechanism is arranged at the inner side of the connecting disc; and a detection mechanism is arranged at one side of the limiting rod at the bottom of the supporting wheel set. The utility model discloses a set up detection mechanism, examine time measuring to pipeline inner wall coating, can come to detect probe to move to the pipeline depths through supporting mechanism earlier, later make electric putter extend this moment electric putter through external controller just can promote detect probe and remove towards the pipeline inner wall, when detecting probe and the contact of pipeline inner wall, electric putter continues to extend, expanding spring contracts this moment, from this moment alright make detecting probe contact with the pipeline inner wall all the time under expanding spring's effect, alright detect pipeline inner wall coating from this, with this detection effect who increases equipment, the accuracy of detected data has been increased.
Description
Technical Field
The utility model relates to a coating detection device field specifically is a pipeline undercoating detection device.
Background
In order to prolong the service life of the pipeline, a paint film is coated on the inner surface of the small-diameter pipeline, and the thickness and the uniformity of the paint film directly relate to the anticorrosion effect and the economic benefit, so the anticorrosion specification has clear requirements on the thickness of the paint film; in addition, a computer coating thickness measuring instrument can be adopted, an operator holds the measuring probe to vertically contact the measured inner wall, and the instrument can display the measured thickness value.
Because the probe can not extend into the pipe in a long distance, the thickness of the coating on the inner surface of the pipe can be measured at a position which is 0.4m away from the pipe end according to the specification, so that the real condition of the coating quality in the pipe is difficult to reflect, and the accuracy of detection data is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the coating at the deeper position of the inner wall of the pipeline is inconvenient to detect, a pipeline inner coating detection device is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a pipeline inner coating detection device comprises a push rod, wherein a connecting disc is fixedly welded at one end of the push rod, and a supporting mechanism is arranged on the inner side of the connecting disc; the supporting mechanism comprises a rotating rod, a limiting rod, a supporting wheel set, a screw rod, a large bevel gear and a small bevel gear, the rotating rod is arranged at one end of the connecting disc and penetrates through the connecting disc, the large bevel gear is fixedly welded at one end of the rotating rod and is positioned on the inner side of the connecting disc, the screw rod is rotatably connected inside the connecting disc through a bearing, the small bevel gear is fixedly welded at the bottom of the screw rod and is positioned on one side of the large bevel gear, the limiting rod is sleeved on the outer side of the screw rod and penetrates through the outer side of the connecting disc, and the supporting wheel set is fixedly welded at the top of the limiting rod; and a detection mechanism is arranged at one side of the limiting rod at the bottom of the supporting wheel set and used for detecting a coating inside the pipeline.
So, can place the connection pad inboard at the pipeline that awaits measuring earlier when using this equipment, later rotate the bull stick, when the bull stick rotates alright drive a plurality of small-size bevel gears through large-scale bevel gear and rotate, small-size bevel gear alright make the lead screw rotate when rotating, so alright make the gag lever post expand towards the central axis outside of connection pad, from this alright make support wheelset and pipeline inner wall laminate, detection mechanism's position also can change along with the removal that supports the wheelset this moment, later alright promote the push rod, so that make detection mechanism be close to the central point department of pipeline, later alright come to detect the pipeline inner wall coating through detection mechanism, so as to increase the accurate nature that equipment detected, prevent that equipment from only can detecting the pipeline edge and the limitation that causes, simultaneously can fix this equipment detection mechanism in the pipeline of different diameter sizes, so as to increase this equipment's application scope.
As a further aspect of the present invention: the detection mechanism comprises an L-shaped connecting plate, an electric push rod, a detection probe, an expansion spring and a telescopic rod, wherein the L-shaped connecting plate is welded and fixed to the bottom of the supporting wheel set and located on one side of the limiting rod, the telescopic rod is arranged on the top of the electric push rod, the detection probe is arranged on the top of the telescopic rod, and the expansion spring is arranged on the top of the electric push rod and sleeved on the outer side of the telescopic rod.
So, when examining pipeline inner wall coating, can come to detect probe through supporting mechanism earlier and move to pipeline depths, later make electric putter extend this moment electric putter through external controller just can promote detect probe and remove towards pipeline inner wall, with this when detecting probe and pipeline inner wall contact, electric putter continues to extend, expanding spring contracts this moment, thereby make the telescopic link contract, from this alright make detecting probe contact with pipeline inner wall all the time under expanding spring's effect, from this alright detect pipeline inner wall coating, with this detection effect who increases equipment, the accuracy of detected data has been increased.
As a further aspect of the present invention: the electric push rod and the detection probe are electrically connected with an external controller through wires, and through holes matched with the wires are formed in the rotating rod and the inner side of the large bevel gear.
Therefore, the structure is arranged to enable the lead for connecting the electric push rod and the detection probe to penetrate through the rotating rod and the large bevel gear, so that the rotating rod is prevented from driving the lead to rotate when rotating.
As a further aspect of the present invention: the number of the screw rods is provided with a plurality of screw rods, and the plurality of screw rods are distributed along the central axis of the connecting disc at equal intervals.
Therefore, when the structure is arranged to enable the plurality of screw rods to rotate simultaneously, the limiting rods on the outer sides of the screw rods are folded and spread towards the central axis of the connecting disc.
As a further aspect of the present invention: the small bevel gear is meshed with a clamping tooth on the outer side of the large bevel gear, and the screw rod is rotatably connected with the connecting disc through a bearing.
Thus, when the large bevel gear is rotated by providing the above structure, the plurality of screw rods are simultaneously rotated by the small bevel gear.
As a further aspect of the present invention: the inner side of the limiting rod is provided with a threaded hole matched with the outer side of the screw rod, and the inner side of the connecting disc is provided with a sliding groove matched with the limiting rod.
So, when making the lead screw rotate through setting up this structure, the gag lever post removes along the lead screw.
As the utility model discloses further scheme again: when the electric push rod is fully extended, the height of the detection probe is slightly larger than that of the support wheel set.
So, when making electric putter extend completely through setting up this structure, test probe is laminated with the pipeline inner wall all the time under expanding spring's effect.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the supporting mechanism, the connecting disc can be placed on the inner side of a pipeline to be detected when the equipment is used, then the rotating rod is rotated, so that the limiting rod can be expanded towards the outer side of the central axis of the connecting disc, the supporting wheel set can be attached to the inner wall of the pipeline, then the push rod can be pushed, the detection mechanism is close to the central position of the pipeline, then the coating of the inner wall of the pipeline can be detected through the detection mechanism, the detection accuracy of the equipment is improved, and meanwhile, the equipment detection mechanism can be fixed in pipelines with different diameters, so that the application range of the equipment is enlarged;
2. through setting up detection mechanism, when examining pipeline inner wall coating, can come to come detect probe to move to pipeline depths through supporting mechanism earlier, later make electric putter extend this moment electric putter just can promote detect probe and remove towards the pipeline inner wall through external controller, when detect probe and pipeline inner wall contact, electric putter continues to extend, expanding spring contracts this moment, from this moment alright make detect probe contact with the pipeline inner wall all the time under expanding spring's effect, from this alright detect pipeline inner wall coating, with this detection effect who increases equipment, the accuracy of detected data has been increased.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;
fig. 3 is a schematic diagram of the internal structure of the connection pad of the present invention.
In the figure: 1. a push rod; 2. a connecting disc; 3. a support mechanism; 301. a rotating rod; 302. a limiting rod; 303. a support wheel set; 304. a screw rod; 305. a large bevel gear; 306. a small bevel gear; 4. a detection mechanism; 401. an L-shaped connecting plate; 402. an electric push rod; 403. detecting a probe; 404. a tension spring; 405. a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a device for detecting a coating in a pipeline includes a push rod 1, a connecting plate 2 is welded and fixed to one end of the push rod 1, and a supporting mechanism 3 is disposed inside the connecting plate 2; the supporting mechanism 3 comprises a rotating rod 301, a limiting rod 302, a supporting wheel set 303, a screw rod 304, a large bevel gear 305 and a small bevel gear 306, the rotating rod 301 is arranged at one end of the connecting disc 2 and penetrates through the connecting disc 2, the large bevel gear 305 is welded and fixed at one end of the rotating rod 301 and is positioned on the inner side of the connecting disc 2, the screw rod 304 is rotatably connected inside the connecting disc 2 through a bearing, the small bevel gear 306 is welded and fixed at the bottom of the screw rod 304 and is positioned on one side of the large bevel gear 305, the limiting rod 302 is sleeved and connected on the outer side of the screw rod 304 and penetrates through the outer side of the connecting disc 2, and the supporting wheel set 303 is welded and fixed at the top of the limiting rod 302; one side that the bottom of support wheel group 303 is located gag lever post 302 is provided with detection mechanism 4 for detect the coating of pipeline inside.
In this embodiment: when the device is used, the connecting disc 2 can be placed on the inner side of a pipeline to be detected firstly, then the rotating rod 301 is rotated, when the rotating rod 301 rotates, the large bevel gear 305 can drive the small bevel gears 306 to rotate, when the small bevel gears 306 rotate, the screw rod 304 can be rotated, so that the limiting rod 302 can be expanded towards the outer side of the central axis of the connecting disc 2, therefore, the supporting wheel set 303 can be attached to the inner wall of the pipeline, the position of the detection mechanism 4 can be changed along with the movement of the supporting wheel set 303, then, the push rod 1 can be pushed, so that the detection mechanism 4 is close to the central position of the pipeline, then, the coating of the inner wall of the pipeline can be detected through the detection mechanism 4, the accuracy of detection of the device is improved, the limitation caused by the fact that the device can only detect the edge of the pipeline is prevented, meanwhile, the detection mechanism 4 of the device can be fixed in pipelines with different diameters, and the application range of the device is enlarged.
Please refer to fig. 1 and 2, the detecting mechanism 4 includes an L-shaped connecting plate 401, an electric push rod 402, a detecting probe 403, a telescopic spring 404 and a telescopic rod 405, the L-shaped connecting plate 401 is welded and fixed to the bottom of the supporting wheel set 303 and is located at one side of the limiting rod 302, the telescopic rod 405 is disposed at the top of the electric push rod 402, the detecting probe 403 is mounted at the top of the telescopic rod 405, and the telescopic spring 404 is disposed at the top of the electric push rod 402 and is sleeved outside the telescopic rod 405.
In this embodiment: when detecting the pipeline inner wall coating, can come to detect probe 403 to move to the pipeline depths through supporting mechanism 3 earlier, later make electric putter 402 extend through external controller this moment electric putter 402 just can promote detect probe 403 and remove towards the pipeline inner wall, so when detecting probe 403 and pipeline inner wall contact, electric putter 402 continues to extend, expanding spring 404 contracts this moment, thereby make telescopic link 405 contract, from this alright make detecting probe 403 contact with the pipeline inner wall all the time under expanding spring 404's effect, from this alright detect the pipeline inner wall coating, with this detection effect that increases equipment, the accuracy of detection data has been increased.
Please refer to fig. 1 and 2, the electric push rod 402 and the detecting probe 403 are electrically connected to an external controller through wires, and the rotating rod 301 and the large bevel gear 305 are provided with through holes matching with the wires.
In this embodiment: by adopting the structure, the lead wire connected with the electric push rod 402 and the detection probe 403 passes through the rotating rod 301 and the large bevel gear 305, so that the rotating rod 301 is prevented from driving the lead wire to rotate when rotating.
Referring to fig. 1 and 3, the number of the lead screws 304 is plural, and the plural lead screws 304 are distributed equidistantly along the central axis of the connecting disc 2.
In this embodiment: by providing such a structure, when the plurality of lead screws 304 are rotated simultaneously, the outer side stoppers 302 are folded and spread toward the central axis of the connection plate 2.
Referring to fig. 3, the small bevel gear 306 is engaged with a latch on the outer side of the large bevel gear 305, and the lead screw 304 is rotatably connected to the connecting plate 2 through a bearing.
In this embodiment: when the large bevel gear 305 is rotated by providing this structure, the plurality of lead screws 304 are simultaneously rotated by the small bevel gear 306.
Please refer to fig. 3, the inner side of the limiting rod 302 is provided with a threaded hole matching with the outer side of the screw rod 304, and the inner side of the connecting disc 2 is provided with a sliding groove matching with the limiting rod 302.
In this embodiment: when the screw 304 is rotated by providing this structure, the stopper rod 302 moves along the screw 304.
Referring to fig. 2, the height of the detecting probe 403 is slightly greater than the height of the supporting wheel set 303 when the electric putter 402 is fully extended.
In this embodiment: with this structure, when the electric plunger 402 is fully extended, the detection probe 403 is always attached to the inner wall of the pipe by the expansion spring 404.
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (7)
1. The pipeline internal coating detection device comprises a push rod (1), wherein one end of the push rod (1) is fixedly provided with a connecting disc (2), and the pipeline internal coating detection device is characterized in that the inner side of the connecting disc (2) is provided with a supporting mechanism (3);
the supporting mechanism (3) comprises a rotating rod (301), a limiting rod (302), a supporting wheel set (303), a screw rod (304), a large bevel gear (305) and a small bevel gear (306), the rotating rod (301) is arranged at one end of the connecting disc (2), the large bevel gear (305) is fixed at one end of the rotating rod (301), the screw rod (304) is connected inside the connecting disc (2), the small bevel gear (306) is fixed at the bottom of the screw rod (304), the limiting rod (302) is sleeved outside the screw rod (304), and the supporting wheel set (303) is fixed at the top of the limiting rod (302);
the bottom of the supporting wheel set (303) is located on one side of the limiting rod (302), and a detection mechanism (4) is arranged and used for detecting a coating inside a pipeline.
2. The pipeline undercoating detection device according to claim 1, characterized in that the detection mechanism (4) comprises an L-shaped connecting plate (401), an electric push rod (402), a detection probe (403), a telescopic spring (404) and a telescopic rod (405), the L-shaped connecting plate (401) is fixed at the bottom of the supporting wheel set (303), the telescopic rod (405) is arranged at the top of the electric push rod (402), the detection probe (403) is arranged at the top of the telescopic rod (405), and the telescopic spring (404) is arranged at the top of the electric push rod (402).
3. The pipeline internal coating detection device according to claim 2, wherein the electric push rod (402) and the detection probe (403) are electrically connected with an external controller through wires, and through holes matched with the wires are formed in the rotating rod (301) and the inner side of the large bevel gear (305).
4. The pipeline undercoating detecting device of claim 1, wherein the number of the lead screws (304) is provided in plurality.
5. The pipeline undercoating detecting device of claim 1, characterized in that the small bevel gear (306) is engaged with a latch on the outer side of the large bevel gear (305), and the lead screw (304) is rotatably connected with the connecting disc (2) through a bearing.
6. The pipeline undercoating detection device as claimed in claim 1, wherein the inner side of the limiting rod (302) is provided with a threaded hole matched with the outer side of the screw rod (304), and the inner side of the connecting disc (2) is provided with a sliding groove matched with the limiting rod (302).
7. The pipeline undercoating detecting device as recited in claim 2, characterized in that the height of the detecting probe (403) when the electric push rod (402) is fully extended is slightly larger than the height of the supporting wheel set (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449526.4U CN217687161U (en) | 2022-06-06 | 2022-06-06 | Pipeline undercoating detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449526.4U CN217687161U (en) | 2022-06-06 | 2022-06-06 | Pipeline undercoating detection device |
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| Publication Number | Publication Date |
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| CN217687161U true CN217687161U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221449526.4U Active CN217687161U (en) | 2022-06-06 | 2022-06-06 | Pipeline undercoating detection device |
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| CN (1) | CN217687161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681671A (en) * | 2022-10-31 | 2023-02-03 | 浮梁县景龙特种陶瓷有限公司 | Crack detection device and method for ceramic composite pipe |
-
2022
- 2022-06-06 CN CN202221449526.4U patent/CN217687161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681671A (en) * | 2022-10-31 | 2023-02-03 | 浮梁县景龙特种陶瓷有限公司 | Crack detection device and method for ceramic composite pipe |
| CN115681671B (en) * | 2022-10-31 | 2023-05-26 | 浮梁县景龙特种陶瓷有限公司 | Crack detection device and method for ceramic composite pipe |
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