Crawler for pipeline nondestructive testing

Abstract

The utility model relates to the technical field of pipeline nondestructive testing, in particular to a crawler for pipeline nondestructive testing, which comprises a shell, a driven shaft, a driven wheel, a crawler belt, a driving wheel, a fixing plate and a telescopic rod, one end of the crawler belt is rotatably connected with the driven wheel and wraps the driven wheel, and the driving wheel is rotatably connected with the crawler belt and is positioned at the other end of the crawler belt. The fixing plate is fixedly connected with the shell and located on the outer side of the shell, the telescopic rod is detachably connected with the fixing plate and located below the fixing plate, the motor is started to drive the driving shaft to rotate through the gear and the gear ring, the driving shaft drives the crawler belt to rotate through the driving wheel, and when protrusions exist in the middle of the crawler belt, the spring presses the middle of the crawler belt downwards through abutting of the moving plate and the rolling wheels; foreign matters or uneven parts of the pipeline are prevented from being clamped between the driving wheel and the driven wheel, and the problem that the rotating wheel of the crawler for nondestructive testing of the pipeline is possibly clamped at the uneven parts of the pipeline, so that the working efficiency is influenced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline non-destructive testing, in particular to a crawler for pipeline non-destructive testing. Background Art

[0002] Currently, during the use of pipelines, non-destructive testing is required to reduce the risk of damage and leakage during use. However, since the probe of the existing pipeline crawler is fixedly installed at the front end of the crawler, the inspection of the inner wall of the pipeline on both sides of the crawler is not detailed enough, which may affect the accuracy of the pipeline non-destructive testing.

[0003] To solve the above problems, the prior art patent (CN218208424U) discloses a crawler for non-destructive testing of pipelines. By utilizing the design of a rotating assembly, a rotating shaft and a rotating column cooperate with each other. Under the action of force, the fixed frame can rotate in the direction of the rotating shaft, so that the spherical detection head can rotate at a vertical circular angle, thereby achieving the effect of rotation, so that the probe can perform more detailed non-destructive testing on the inner walls of the pipeline on both sides of the crawler.

[0004] However, in the above-mentioned prior art, the rotating wheels of the crawler for pipeline non-destructive testing may get stuck at uneven places of the pipeline, thereby affecting the work efficiency. Utility Model Content

[0005] The utility model aims to provide a crawler for non-destructive testing of pipelines, which solves the technical problem in the prior art that the rotating wheels of the crawler for non-destructive testing of pipelines may get stuck at uneven places of the pipeline, thereby affecting the work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts a crawler for non-destructive testing of pipelines, including a shell, a driven shaft, a driven wheel and a moving assembly, wherein the moving assembly includes a crawler track, a driving wheel, a fixed plate, a telescopic rod and a driving component, the driven shaft is rotatably connected to the shell and passes through the shell, the driven wheel is detachably connected to the driven shaft and wraps the driven shaft, one end of the crawler track is rotatably connected to the driven wheel and wraps the driven wheel, the driving wheel is rotatably connected to the crawler track and is located at the other end of the crawler track, the fixed plate is fixedly connected to the shell and is located on the outside of the shell, and the telescopic rod is detachably connected to the fixed plate and is located below the fixed plate.

[0007] Among them, the moving assembly also includes a spring, a moving plate, a fixed block and a roller. The spring is detachably connected to the fixed plate and wraps the telescopic rod. The moving plate is detachably connected to the spring and is located below the spring. The fixed block is fixedly connected to the moving plate and is located below the moving plate. The roller is rotatably connected to the fixed block and is located on the inner side of the fixed block, and the roller is rotatably connected to the track.

[0008] Among them, the driving component includes a driving shaft, a gear ring, a gear, a motor and a placement plate, the driving shaft is detachably connected to the driving wheel and passes through the driving wheel, the gear ring is fixedly connected to the driving shaft and wraps the driving shaft, the gear is meshed with the gear ring and is located above the gear ring, the placement plate is fixedly connected to the outer shell and is located inside the outer shell, the motor is detachably connected to the placement plate and is located above the placement plate, and the output end of the motor is fixedly connected to the gear.

[0009] Wherein, the driving component further includes a connecting block and a probe, wherein the connecting block is fixedly connected to the shell and is located outside the shell, and the probe is detachably connected to the connecting block and is located inside the connecting block.

[0010] Among them, the crawler for non-destructive testing of pipelines also includes a hinge, a top cover and a handle. The hinge is detachably connected to the outer shell and is located above the outer shell. The top cover is detachably connected to the hinge and is located above the outer shell. The handle is fixedly connected to the top cover and is located above the top cover.

[0011] The utility model discloses a pipeline non-destructive testing crawler, the driven shaft is rotatably connected with the shell and passes through the shell, the driven wheel is detachably connected with the driven shaft and wraps the driven shaft, one end of the crawler is rotatably connected with the driven wheel and wraps the driven wheel, the driving wheel is rotatably connected with the crawler and is located at the other end of the crawler, the fixing plate is fixedly connected with the shell and is located at the outside of the shell, the telescopic rod is detachably connected with the fixing plate and is located below the fixing plate, the motor is started to drive the driving shaft to rotate through the gear and the gear ring, the driving shaft drives the crawler to rotate through the driving wheel, when there is a protrusion in the middle of the crawler, the spring will press down the middle of the crawler through the moving plate and the roller to prevent foreign matter or unevenness of the pipeline from being stuck between the driving wheel and the driven wheel, and this method can effectively solve the problem that the rotating wheel of the pipeline non-destructive testing crawler may be stuck at the uneven part of the pipeline, thereby affecting the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a front view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0016] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0017] 101-housing, 102-driven shaft, 103-driven wheel, 104-track, 105-driving wheel, 106-fixed plate, 107-telescopic rod, 108-spring, 109-moving plate, 110-fixed block, 111-roller, 112-driving shaft, 113-gear ring, 114-gear, 115-motor, 116-placing plate, 117-connecting block, 118-probe, 201-hinge, 202-top cover, 203-handle. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1 to Figure 3 ,in Figure 1 It is a schematic structural diagram of the first embodiment of the utility model. Figure 2 2 is a front view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0021] The utility model provides a crawler for non-destructive testing of pipelines, comprising a housing 101, a driven shaft 102, a driven wheel 103, a crawler track 104, a driving wheel 105, a fixing plate 106, a telescopic rod 107, a spring 108, a moving plate 109, a fixing block 110, a roller 111, a driving shaft 112, a gear ring 113, a gear 114, a motor 115, a placement plate 116, a connecting block 117 and a probe 118. The above-mentioned scheme solves the problem in the prior art that the rotating wheel of the crawler for non-destructive testing of pipelines may be stuck at an uneven place of the pipeline, thereby affecting the work efficiency.

[0022] According to this specific embodiment, the driven shaft 102 is rotatably connected to the outer shell 101 and passes through the outer shell 101. The driven wheel 103 is detachably connected to the driven shaft 102 and wraps the driven shaft 102. One end of the track 104 is rotatably connected to the driven wheel 103 and wraps the driven wheel 103. The driving wheel 105 is rotatably connected to the track 104 and is located at the other end of the track 104. The fixing plate 106 is fixedly connected to the outer shell 101 and is located on the outside of the outer shell 101. The telescopic rod 107 is detachably connected to the fixing plate 106 and is located below the fixing plate 106. The driving wheel 105 and the driven wheel 103 can assist the track 104 in rotating, thereby reducing the probability of the crawler for non-destructive testing of pipelines getting stuck.

[0023] Among them, the spring 108 is detachably connected to the fixed plate 106 and wraps the telescopic rod 107, the movable plate 109 is detachably connected to the spring 108 and is located below the spring 108, the fixed block 110 is fixedly connected to the movable plate 109 and is located below the movable plate 109, the roller 111 is rotatably connected to the fixed block 110 and is located on the inner side of the fixed block 110, and the roller 111 is rotatably connected to the track 104. When a foreign object or a protrusion at the pipeline lifts up the middle part of the track 104, the spring 108 will push out the movable plate 109 with the assistance of the telescopic rod 107, and the movable plate 109 presses down the roller 111, thereby resetting the track 104.

[0024] Secondly, the driving shaft 112 is detachably connected to the driving wheel 105 and passes through the driving wheel 105. The gear ring 113 is fixedly connected to the driving shaft 112 and wraps the driving shaft 112. The gear 114 is meshed with the gear ring 113 and is located above the gear ring 113. The placement plate 116 is fixedly connected to the outer shell 101 and is located inside the outer shell 101. The motor 115 is detachably connected to the placement plate 116 and is located above the placement plate 116, and the output end of the motor 115 is fixedly connected to the gear 114. When the motor 115 is started, the gear 114 is driven to rotate. The gear 114 drives the driving shaft 112 to rotate through the gear ring 113. The driving shaft 112 drives the track 104 to rotate through the driving wheel 105.

[0025] At the same time, the connecting block 117 is fixedly connected to the outer shell 101 and is located on the outside of the outer shell 101. The probe 118 is detachably connected to the connecting block 117 and is located inside the connecting block 117. The connecting block 117 fixes the probe 118, and the pipeline can be detected through the probe 118.

[0026] A crawler for non-destructive testing of pipelines using the present embodiment is provided with a shell 101, a driven shaft 102, a driven wheel 103, a crawler 104, a driving wheel 105, a fixed plate 106, a telescopic rod 107, a spring 108, a movable plate 109, a fixed block 110, a roller 111, a driving shaft 112, a gear ring 113, a gear 114, a motor 115, a placement plate 116, a connecting block 117 and a probe 118. The driven shaft 102 is rotatably connected to the shell 101 and passes through the shell 101. The driven wheel 103 is detachably connected to the driven shaft 102 and wraps the driven shaft 102. One end of the crawler 104 is rotatably connected to the driven wheel 103 and wraps the driven wheel 103. The driving wheel 105 is rotatably connected to the crawler 104 and is located at the other end of the crawler 104. The plate 106 is fixedly connected to the shell 101 and is located on the outside of the shell 101. The telescopic rod 107 is detachably connected to the fixed plate 106 and is located below the fixed plate 106. The motor 115 is started to drive the gear 114 to rotate. The gear 114 drives the drive shaft 112 to rotate through the gear ring 113. The drive shaft 112 drives the track 104 to rotate through the drive wheel 105. When a foreign object or a protrusion at the pipeline lifts the middle part of the track 104, the spring 108 will push out the moving plate 109 with the assistance of the telescopic rod 107. The moving plate 109 presses down the roller 111, so that the track 104 is reset, thereby solving the technical problem that the rotating wheel of the crawler for non-destructive testing of pipelines may be stuck at uneven places of the pipeline, thereby affecting the work efficiency.

[0027] The second embodiment of the present application is:

[0028] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0029] The utility model provides a crawler for non-destructive testing of pipelines, which also includes a hinge 201, a top cover 202 and a handle 203. The above solution solves the problem in the prior art that it is inconvenient to maintain the components inside the shell 101 of the crawler for non-destructive testing of pipelines.

[0030] Among them, the hinge 201 is detachably connected to the shell 101 and is located above the shell 101, the top cover 202 is detachably connected to the hinge 201 and is located above the shell 101, the handle 203 is fixedly connected to the top cover 202 and is located above the top cover 202, the hinge 201 connects the top cover 202 to the shell 101, and holding the handle 203 with the assistance of the hinge 201 can open the top cover 202, so as to facilitate the maintenance of the components inside the shell 101.

[0031] A crawler for non-destructive testing of pipelines according to the present embodiment is provided with a hinge 201, a top cover 202 and a handle 203. The hinge 201 connects the top cover 202 with the outer shell 101 and enables the top cover 202 to be opened and closed. The top cover 202 can be opened by holding the handle 203 with the assistance of the hinge 201, so that the components inside the outer shell 101 can be maintained conveniently, thereby solving the problem that it is inconvenient to maintain the components inside the outer shell 101 of the crawler for non-destructive testing of pipelines.

[0032] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A crawler for non-destructive testing of pipelines, comprising a housing, a driven shaft and a driven wheel, wherein the driven shaft is rotatably connected to the housing and passes through the housing, and the driven wheel is detachably connected to the driven shaft and wraps the driven shaft, characterized in that: It also includes a moving component, which includes a track, a driving wheel, a fixed plate, a telescopic rod and a driving component. One end of the track is rotatably connected to the driven wheel and wraps the driven wheel. The driving wheel is rotatably connected to the track and is located at the other end of the track. The fixed plate is fixedly connected to the outer shell and is located on the outside of the outer shell. The telescopic rod is detachably connected to the fixed plate and is located below the fixed plate.

2. The pipeline non-destructive testing crawler according to claim 1, characterized in that: The moving assembly also includes a spring, a moving plate, a fixed block and a roller. The spring is detachably connected to the fixed plate and wraps the telescopic rod. The moving plate is detachably connected to the spring and is located below the spring. The fixed block is fixedly connected to the moving plate and is located below the moving plate. The roller is rotatably connected to the fixed block and is located on the inner side of the fixed block, and the roller is rotatably connected to the track.

3. The pipeline non-destructive testing crawler according to claim 1, characterized in that: The driving component includes a driving shaft, a gear ring, a gear, a motor and a placement plate. The driving shaft is detachably connected to the driving wheel and passes through the driving wheel. The gear ring is fixedly connected to the driving shaft and wraps the driving shaft. The gear is meshed with the gear ring and is located above the gear ring. The placement plate is fixedly connected to the outer shell and is located inside the outer shell. The motor is detachably connected to the placement plate and is located above the placement plate, and the output end of the motor is fixedly connected to the gear.

4. The pipeline non-destructive testing crawler according to claim 1, characterized in that: The driving component also includes a connecting block and a probe, wherein the connecting block is fixedly connected to the shell and is located outside the shell, and the probe is detachably connected to the connecting block and is located inside the connecting block.

5. The crawler for nondestructive testing of pipelines according to claim 1, characterized in that: The crawler for non-destructive testing of pipelines also includes a hinge, a top cover and a handle. The hinge is detachably connected to the outer shell and is located above the outer shell. The top cover is detachably connected to the hinge and is located above the outer shell. The handle is fixedly connected to the top cover and is located above the top cover.

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