Pipeline internal coating detection device

Abstract

The utility model relates to the technical field of pipeline internal coating detection, in particular to a pipeline internal coating detection device, which is characterized in that the middle parts of two groups of rotary internal coating thickness detection structures are fixedly connected with two groups of self-walking internal coating detection supporting structures, and the number of the self-walking internal coating detection supporting structures is two; the rotary inner coating thickness detection structure comprises a power supply type control host, lateral power supply connectors are fixedly connected to the middles of two groups of the power supply type control host, and a rotary driving motor is fixedly connected to the middle of the front end of the power supply type control host. According to the utility model, through the rotary inner coating thickness detection structure and the self-walking inner coating detection support structure, the support size of pipelines with different inner diameters is adjusted, so that the detection accuracy is improved, the detection position is subjected to all-directional driving adjustment, detection dead angles are avoided, and the detection effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline internal coating detection field especially, relate to a pipeline internal coating detection device. BACKGROUND

[0002] Pipeline internal coating detection has important significance for guaranteeing the safety and reliability of pipeline system, and the main purpose of pipeline internal coating detection is to evaluate the quality and integrity of the internal anticorrosive coating of the pipeline, to ensure that the internal medium does not cause corrosion to the pipeline, and to prevent the leakage of the medium from causing pollution to the external environment.

[0003] However, in the prior art, due to the lack of effective adjustment support and multi-angle detection mechanism, the support stability is poor during the detection of the pipeline internal coating, displacement is easy to occur during the detection of the pipeline internal coating, resulting in inaccurate detection results, secondly, during the detection process, the pipeline internal coating cannot be detected in all directions, and the detection dead angle exists during the detection of the internal coating, which affects the detection of the integrity of the pipeline internal coating.

[0004] Therefore, the existing problems are studied and improved, and a pipeline internal coating detection device is provided, which can adjust the support size of different internal diameters of the pipeline to improve the detection accuracy, and can drive and adjust the detection position in all directions to avoid the detection dead angle and improve the detection effect. UTILITY MODEL CONTENT

[0005] The utility model discloses a pipeline internal coating detection device that can adjust the support size of different internal diameters of the pipeline to improve the detection accuracy, and can drive and adjust the detection position in all directions to avoid the detection dead angle and improve the detection effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pipeline internal coating detection device, comprising a rotary internal coating thickness detection structure, characterized by: two groups of middle parts of the rotary internal coating thickness detection structure are fixedly connected with self-propelled internal coating detection support structures, and the number of the self-propelled internal coating detection support structures is two groups.

[0007] The rotary inner coating thickness detection structure comprises a power supply control host, both groups of middle parts of the power supply control host are fixedly connected with lateral power supply joints, the front end middle part of the power supply control host is fixedly connected with a rotary drive motor, the front end middle part of the rotary drive motor is detachably connected with the rear end middle part of a power supply rotary support block, both end middle parts of the power supply rotary support block are fixedly connected with circular inner spring support rods, the inner walls of the circular inner spring support rods are movably connected with circular spring extension rods, one end middle part of the circular spring extension rod is fixedly connected with a pressure type detection probe, the number of the lateral power supply joints, the circular inner spring support rods, the circular spring extension rods and the pressure type detection probe is two groups.

[0008] The self-walking inner coating detection support structure comprises a power supply connection base, one side middle part of the power supply connection base is fixedly connected with a rectangular inner spring extension rod, the four surrounding inner surfaces of the rectangular inner spring extension rod are movably connected with rectangular spring extension rods, one side middle part of the rectangular spring extension rod is fixedly connected with a walking drive motor, one side middle part of the walking drive motor is fixedly connected with a U-shaped support frame, both end middle parts of the U-shaped support frame are movably connected with both end middle parts of rubber moving wheels, and the upper end middle parts of the walking drive motor and the U-shaped support frame are detachably connected with the lower end outer surfaces of drive transmission rods.

[0009] Preferably, the two side middle parts of the power supply control host are electrically connected with the other side middle part of the power supply connection base through the lateral power supply joints.

[0010] Preferably, the front end middle part of the power supply control host is in slip-contact power supply connection with the middle part of the power supply rotary support block through the rotary drive motor, one end middle part of each of the two groups of circular inner spring support rods is electrically connected with the middle part of the power supply rotary support block, and the two groups of circular inner spring support rods and the circular spring extension rods remain in the same horizontal line when in use.

[0011] Preferably, detection extension springs are arranged between the circular inner spring support rods and the circular spring extension rods, and the inner walls of the circular inner spring support rods are movably connected with the outer walls of the circular spring extension rods through the detection extension springs.

[0012] Preferably, support extension springs are arranged between the rectangular inner spring extension rod and the rectangular spring extension rod, and the four surrounding inner surfaces of the rectangular inner spring extension rod are movably connected with the four surrounding outer surfaces of the rectangular spring extension rod through the support extension springs.

[0013] Preferably, a connection wire harness is arranged on one side middle part of the power supply connection base, and the connection wire harness is in power supply connection with one side middle part of the walking drive motor through the rectangular inner spring extension rod and the rectangular spring extension rod.

[0014] Preferably, the driving gear of the walking driving motor is movably connected with the middle part of the driving transmission rod through the middle part of the upper end of the walking driving motor, and the middle part of the lower end of the driving transmission rod is detachably connected with the middle part of the upper end of the rubber moving wheel through the middle part of the upper end of the U-shaped support frame.

[0015] The utility model has the following beneficial effects:

[0016] In the utility model, the two groups of rectangular spring extension rods are first reset to the inside of the rectangular inner spring extension rod, and then the self-walking inner coating detection support structure is placed in the pipeline to be detected through the rotary inner coating thickness detection structure after resetting. After being placed, the rectangular spring extension rods extend horizontally to the two sides under the action of the support and extension of the extension spring in the rectangular inner spring extension rod. The U-shaped support frame on one side of the walking driving motor pushes the rubber moving wheel to adhere to the inside of the pipeline, and then the support work of the detection equipment is completed. During detection, the walking driving motor can drive the rubber moving wheel in the U-shaped support frame through the driving transmission rod, so that the movement of the detection position can be completed. The self-walking inner coating detection support structure is powered through the lateral power supply connector, and the support work of the power supply type control host is completed by the self-walking inner coating detection support structure. After the support is completed, the extension work of the circular spring extension rod is completed by the detection extension spring in the circular inner spring support rod. After the circular spring extension rod extends, the pressure type detection probe is driven to adhere to the inside of the pipeline. After adhesion is completed, the power supply type rotary support block powers the pressure type detection probe. After the adhesion and driving detection are completed, the power supply type control host controls the rotary driving motor to rotate the power supply type rotary support block, so that the adjustment work of the pressure type detection probe detection position is completed. The detection position is driven and adjusted in all directions to avoid detection dead angles and improve the detection effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of whole structure schematic diagram of pipeline inner coating detection device;

[0018] Figure 2 The utility model provides a kind of expansion structure schematic diagram of pipeline inner coating detection device;

[0019] Figure 3 The utility model provides a kind of rotary inner coating thickness detection structure schematic diagram of pipeline inner coating detection device;

[0020] Figure 4 The utility model provides a kind of self-walking inner coating detection support structure schematic diagram of pipeline inner coating detection device.

[0021] Legend:

[0022] 1, rotating inner coating thickness detection structure; 2, self-propelled inner coating detection support structure; 101, power supply control host; 102, lateral power supply connector; 103, rotary drive motor; 104, power supply rotary support block; 105, circular inner spring support rod; 106, circular spring extension rod; 107, pressure type detection probe; 201, power supply connection base; 202, rectangular inner spring extension rod; 203, rectangular spring extension rod; 204, walking drive motor; 205, U-shaped support frame; 206, rubber moving wheel; 207, drive transmission rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Reference Figures 1-4 A pipeline inner coating detection device, comprising a rotating inner coating thickness detection structure 1, characterized in that: two groups of the rotating inner coating thickness detection structure 1 are fixedly connected with self-propelled inner coating detection support structures 2, and the number of the self-propelled inner coating detection support structures 2 is two groups.

[0025] The rotary inner coating thickness detection structure 1 comprises a power supply control host 101, two groups of middle parts of the power supply control host 101 are fixedly connected with lateral power supply joints 102, a front end middle part of the power supply control host 101 is fixedly connected with a rotary drive motor 103, a front end middle part of the rotary drive motor 103 is detachably connected with a rear end middle part of a power supply rotary support block 104, two end middle parts of the power supply rotary support block 104 are fixedly connected with circular inner spring support rods 105, inner walls of the circular inner spring support rods 105 are movably connected with circular spring extension rods 106, one end middle parts of the circular spring extension rods 106 are fixedly connected with pressure type detection probes 107, the number of the lateral power supply joints 102, the circular inner spring support rods 105, the circular spring extension rods 106 and the pressure type detection probes 107 is two groups, firstly, power supply work on the self-walking inner coating detection support structure 2 is completed through the lateral power supply joints 102, support work on the power supply control host 101 is completed by the self-walking inner coating detection support structure 2, after the support is completed, extension work on the circular spring extension rods 106 is completed by the detection extension spring inside the circular inner spring support rods 105, after the circular spring extension rods 106 are extended, the pressure type detection probes 107 are driven to be in contact with the inside of the pipeline, after the contact is completed, power supply work on the pressure type detection probes 107 is completed by the power supply rotary support block 104, the detection work on the inner coating thickness of the pipeline is completed by the pressure type detection probes 107, after the contact drive detection is completed, the rotary work on the power supply rotary support block 104 is completed by the power supply control host 101, so that the adjustment work on the detection position of the pressure type detection probes 107 is completed, the detection position is driven and adjusted in all directions, the detection dead angle is avoided, and the detection effect is improved;

[0026] The self-walking inner coating detection support structure 2 comprises a power supply connecting base 201, a rectangular inner spring extension rod 202 is fixedly connected to the middle of one side of the power supply connecting base 201, a rectangular spring extension rod 203 is movably connected to the inner surface of the four sides of the rectangular inner spring extension rod 202, a walking driving motor 204 is fixedly connected to the middle of one side of the rectangular spring extension rod 203, a U-shaped support frame 205 is fixedly connected to the middle of one side of the walking driving motor 204, the middle of the two ends of the U-shaped support frame 205 is movably connected to the middle of the two ends of a rubber moving wheel 206, the middle of the upper end of the walking driving motor 204 and the middle of the upper end of the U-shaped support frame 205 are detachably connected to the outer surface of the lower end of a driving transmission rod 207, before use, two groups of the rectangular spring extension rods 203 are reset to the inside of the rectangular inner spring extension rod 202, after resetting, the self-walking inner coating detection support structure 2 is placed in the pipe to be detected through the rotary inner coating thickness detection structure 1, after being placed, the rectangular spring extension rod 203 extends horizontally to the two sides under the action of the support extension spring in the rectangular inner spring extension rod 202, the U-shaped support frame 205 on one side of the walking driving motor 204 is pushed by the rectangular spring extension rod 203 to make the rubber moving wheel 206 adhere to the inside of the pipe, after adhesion, the support work of the detection equipment is completed, during detection, the driving work of the rubber moving wheel 206 in the U-shaped support frame 205 can be completed by the walking driving motor 204 through the driving transmission rod 207, so that the moving work of the detection position can be completed.

[0027] Specifically, the middle of the two sides of the power supply type control host 101 is electrically connected to the middle of the other side of the power supply connecting base 201 through the lateral power supply connector 102, and the power supply and control work of the power supply connecting base 201 are completed by the two lateral power supply connectors 102.

[0028] Specifically, the middle of the front end of the power supply type control host 101 is slidably and electrically connected to the middle of the power supply type rotary support block 104 through the rotary driving motor 103, the middle of one end of the two groups of circular inner spring support rods 105 is electrically connected to the middle of the power supply type rotary support block 104, the two groups of circular inner spring support rods 105 and the circular spring extension rod 106 are kept in the same horizontal line when in use, the continuous power supply work of the detection position adjustment is completed through the sliding power supply work, and the horizontal nature of the point detection is ensured during angle adjustment.

[0029] Specifically, a detection extension spring is arranged between the circular inner spring support rod 105 and the circular spring extension rod 106, the inner wall of the circular inner spring support rod 105 is movably connected to the outer wall of the circular spring extension rod 106 through the detection extension spring, and the adhesion of the detection assembly is ensured by providing support pressure through the detection extension spring.

[0030] Specifically, the support extension spring is arranged between the rectangular inner spring extension rod 202 and the rectangular spring extension rod 203, the four peripheral inner surfaces of the rectangular inner spring extension rod 202 are movably connected with the four peripheral outer surfaces of the rectangular spring extension rod 203 through the support extension spring, and the support pressure is provided through the support extension spring to ensure the adhesion of the support assembly.

[0031] Specifically, the connecting wire harness is arranged in the middle of one side of the power supply connecting base 201, the connecting wire harness passes through the rectangular inner spring extension rod 202 and the rectangular spring extension rod 203 to be connected with the middle of one side of the walking driving motor 204 for power supply, and the power supply work of the walking driving motor 204 in different use positions is realized through the extension power supply wire harness.

[0032] Specifically, the driving gear of the walking driving motor 204 is movably connected with the middle of the driving transmission rod 207 through the upper end middle of the walking driving motor 204, and the lower end middle of the driving transmission rod 207 is movably connected with the upper end middle of the rubber moving wheel 206 through the upper end middle of the U-shaped support frame 205, the power of the motor rotation is synchronously transmitted to the rubber moving wheel 206 through the transmission rod, and the moving work of the detection position is completed.

[0033] Working principle: when the coating in the pipeline needs to be detected, first reset the two groups of rectangular spring extension rods 203 to the inside of the rectangular inner spring extension rod 202, after resetting, the rotating inner coating thickness detection structure 1 is used to place the self-propelled inner coating detection support structure 2 inside the pipeline to be detected, after placing, the rectangular spring extension rod 203 is horizontally extended to both sides under the action of the support extension spring in the rectangular inner spring extension rod 202, the U-shaped support frame 205 on one side of the walking drive motor 204 is pushed by the rectangular spring extension rod 203 to make the rubber moving wheel 206 adhere to the inside of the pipeline, after adhering, the support work of the detection equipment is completed, during detection, the walking drive motor 204 can drive the rubber moving wheel 206 in the U-shaped support frame 205 through the driving transmission rod 207, so that the movement of the detection position can be completed, the power supply work of the self-propelled inner coating detection support structure 2 is completed through the lateral power supply joint 102, the support work of the power supply type control host 101 is completed by the self-propelled inner coating detection support structure 2, after the support is completed, the extension work of the circular spring extension rod 106 is completed by the detection extension spring in the circular inner spring support rod 105, after the extension of the circular spring extension rod 106, the pressure type detection probe 107 is driven to adhere to the inside of the pipeline, after the adhesion is completed, the power supply type rotating support block 104 is used to supply power to the pressure type detection probe 107, the pressure type detection probe 107 completes the detection work of the coating thickness in the pipeline, after the adhesion driving detection is completed, the power supply type control host 101 controls the rotary drive motor 103 to complete the rotary work of the power supply type rotating support block 104, so as to complete the adjustment work of the detection position of the pressure type detection probe 107, the detection position is driven and adjusted in all directions, so as to avoid the detection dead angle and improve the detection effect.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A pipeline internal coating inspection device comprising a rotating internal coating thickness inspection structure (1), characterized in that: Two groups of middle parts of the rotating inner coating thickness detection structure (1) are fixedly connected with the self-walking inner coating detection support structure (2), and the number of the self-walking inner coating detection support structure (2) is two groups. The rotating inner coating thickness detection structure (1) comprises a power supply type control host (101), two groups of middle parts of the power supply type control host (101) are fixedly connected with lateral power supply joints (102), a front end middle part of the power supply type control host (101) is fixedly connected with a rotating drive motor (103), a front end middle part of the rotating drive motor (103) is detachably connected with a rear end middle part of a power supply type rotating support block (104), two end middle parts of the power supply type rotating support block (104) are fixedly connected with circular inner spring support rods (105), the inner walls of the circular inner spring support rods (105) are movably connected with circular spring extension rods (106), one end middle part of the circular spring extension rod (106) is fixedly connected with a pressure type detection probe (107), the number of the lateral power supply joints (102), the circular inner spring support rods (105), the circular spring extension rods (106) and the pressure type detection probe (107) is two groups. The self-walking inner coating detection support structure (2) comprises a power supply connection base (201), one side middle part of the power supply connection base (201) is fixedly connected with a rectangular inner spring extension rod (202), the peripheral inner surfaces of the rectangular inner spring extension rod (202) are movably connected with rectangular spring extension rods (203), one side middle part of the rectangular spring extension rod (203) is fixedly connected with a walking drive motor (204), one side middle part of the walking drive motor (204) is fixedly connected with a U-shaped support frame (205), the two end middle parts of the U-shaped support frame (205) are movably connected with the two end middle parts of rubber moving wheels (206), and the upper end middle parts of the walking drive motor (204) and the U-shaped support frame (205) are detachably connected with the lower end outer surfaces of drive transmission rods (207).

2. A pipeline internal coating inspection apparatus according to claim 1, characterised in that: The two side middle parts of the power supply type control host (101) are electrically connected with the other side middle part of the power supply connection base (201) through the lateral power supply joints (102).

3. A pipe internal coating inspection apparatus according to claim 1, characterised in that: The front end middle part of the power supply type control host (101) is in slip-type power supply connection with the middle part of the power supply type rotating support block (104) through the rotating drive motor (103), one end middle part of the two groups of circular inner spring support rods (105) is electrically connected with the middle part of the power supply type rotating support block (104), and the two groups of circular inner spring support rods (105) and the circular spring extension rods (106) are kept in the same horizontal line when in use.

4. A pipe internal coating inspection apparatus according to claim 1, characterised in that: Detection extension springs are arranged between the circular inner spring support rods (105) and the circular spring extension rods (106), and the inner walls of the circular inner spring support rods (105) are movably connected with the outer walls of the circular spring extension rods (106) through the detection extension springs.

5. A pipe internal coating inspection apparatus according to claim 1, wherein: Support extension springs are arranged between the rectangular inner spring extension rod (202) and the rectangular spring extension rod (203), and the four peripheral inner surfaces of the rectangular inner spring extension rod (202) are movably connected with the four peripheral outer surfaces of the rectangular spring extension rod (203) through the support extension springs.

6. A pipe internal coating inspection apparatus according to claim 1, wherein: A connecting wire harness is arranged in the middle of one side of the power supply connecting base (201), and the connecting wire harness passes through the rectangular inner spring extension rod (202) and the rectangular spring extension rod (203) to be connected in power supply with the middle of one side of the walking driving motor (204).

7. A pipe internal coating inspection apparatus according to claim 1, wherein: The driving teeth of the walking driving motor (204) pass through the middle of the upper end of the walking driving motor (204) to be movably connected with the middle of the driving transmission rod (207), and the middle of the lower end of the driving transmission rod (207) passes through the middle of the upper end of the U-shaped support frame (205) to be detachably connected with the middle of the upper end of the rubber moving wheel (206).

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