Variable-diameter leather cup based on self-adaptive pipe diameter of gear set

Abstract

A variable-diameter leather cup based on a gear set self-adaptive pipe diameter comprises a sleeve barrel and a plurality of arc-shaped elastic leather cup assemblies arranged at intervals, each elastic leather cup assembly is connected with the sleeve barrel through a telescopic gear set structure, telescopic mechanisms are arranged on the outer side of the sleeve barrel at intervals in the circumferential direction, the telescopic mechanisms form a gear set through three gears, and the gear set is connected with the elastic leather cup assemblies. The elastic rubber cup assembly is connected with the elastic rubber cup assembly through a telescopic rod; when the variable-diameter leather cup passes through a variable-diameter pipeline or a bent pipe, the telescopic gear set structure can adapt to the curvature change of the pipeline in time by self-adapting to the pressure borne by the leather cup, so that the elastic leather cup assembly is attached to the inner wall of the pipeline all the time, a better supporting effect can be achieved, and the variable-diameter leather cup can conveniently pass through the variable-diameter pipeline and the bent pipe better.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection equipment field especially, it relates to a variable diameter leather cup based on gear set self -adaptation pipe diameter. BACKGROUND

[0002] Oil and gas pipeline transportation is a kind of transportation mode that crude oil, natural gas and its products are transported from production place to consumption place through pipeline system.It has the characteristics such as high efficiency, safety, economy, etc., and is widely used in global energy transportation field.But at the same time, pipeline transportation also faces some challenges, such as pipeline aging, corrosion, leakage and other problems.

[0003] In the detection process, the leather cup on the inner detector is extruded and deformed at the pipeline bending place due to different curvature radii, which may cause the leather cup to wear out, the speed of detection process to be uneven, not resistant to collision and many other problems.

[0004] The differential pressure driven controllable speed pipeline robot device (announcement number CN221258128U) provides umbrella-shaped leather cup and variable diameter leather cup mechanism, and the leather cup is self-adapted to pipe diameter by extrusion of pipeline, and the leather cup is extruded and shrunk simultaneously on the inside and outside.But at the actual pipeline bending place, the deformation degree of the inside and outside of the leather cup is different, the inside needs to be extruded and shrunk, and the outside does not need to be extruded and shrunk.

[0005] The utility model discloses a kind of variable diameter leather cups based on gear set self-adaptation pipe diameter, and the leather cup is extruded by pipeline at the pipeline bending place and slides on telescopic rod, drives gear set rotation to realize leather cup shrinkage, and by the action of spring in gear set device after, rebound to suitable pipe inner diameter.

[0006] The above information disclosed in the BACKGROUND section is only used to strengthen the understanding of the background of the utility model, so it can include information that does not constitute prior art known to those of ordinary skill in the art. UTILITY MODEL CONTENT

[0007] The utility model discloses a kind of variable diameter leather cups based on gear set self-adaptation pipe diameter, and solve the problem that existing inner detector cannot adjust leather cup outer diameter.

[0008] Additional aspects and advantages of the utility model will be in part set forth in the following description, and part will become obvious from description, or can be acquired by the practice of the utility model.

[0009] To solve the above problems, the utility model adopts the following technical scheme scheme:

[0010] A kind of variable diameter leather cup based on gear set self-adaptation pipe diameter, it include: bucket 1;

[0011] a plurality of arc-shaped elastic bowl assemblies 2, each of which is connected to the sleeve barrel 1 through a telescopic gear set structure 3;

[0012] The telescopic gear set structure 3 is arranged on the outer side of the sleeve barrel 1 in a circumferential direction.

[0013] When the variable-diameter elastic bowl passes through a variable-diameter pipeline or a curved pipeline, the telescopic gear set structure 3 can adapt to the change in curvature of the pipeline in a timely manner by adapting to the pressure on the elastic bowl, so that the elastic bowl assembly 2 is always attached to the inner wall of the pipeline.

[0014] Further, the elastic bowl assembly 2 comprises:

[0015] The elastic bowl 21 is arranged in an arc shape, and six elastic bowls 21 are arranged on the outer side of the sleeve barrel 1 in a circumferential direction and are rotationally connected to the sleeve barrel 1 at inner ends.

[0016] The sliding rail 22 is arranged in an arc shape and is fixed to the axial middle part of the concave surface of the elastic bowl 21.

[0017] The sliding block 23 is arranged on the sliding rail 22 in a sliding manner.

[0018] Further, the telescopic gear set structure 3 comprises:

[0019] The telescopic rod 31 is externally threaded, and a cylindrical cavity for the telescopic rod 31 to travel up and down is arranged in the area inside the sleeve barrel 1 below the telescopic rod 31.

[0020] The first gear 32 is internally threaded and externally provided with a 10-tooth gear, is threadedly connected to the telescopic rod 31, and is sleeved on the telescopic rod 31.

[0021] The second gear 33 comprises a second pinion 331 and a second gearwheel 332, the second pinion 331 is located on the upper part of the second gearwheel 332, and the two are fixedly connected in a coaxial manner, the second gearwheel 332 is engaged with the first gear 32, and the second pinion 331 is engaged with the clockwork gear 34.

[0022] The clockwork gear 34 is coaxially fixedly connected to the clockwork spring 35.

[0023] Further, the upper end of the telescopic rod 31 is hingedly connected to the sliding block 23 through a pin.

[0024] Further, the second pinion 331 is externally provided with a 10-tooth gear.

[0025] The second gearwheel 332 is externally provided with a 24-tooth gear.

[0026] Further, the clockwork gear 34 is externally provided with a 42-tooth gear.

[0027] From the above technical solutions, the advantages and positive effects of the utility model are that:

[0028] The utility model discloses a variable diameter leather bowl based on gear set self-adapting pipe diameter, compared with the former leather bowl inside and outside extrusion contraction at pipeline overbend place, the utility model can adjust the deformation degree of leather bowl inside and outside according to the curvature radius difference of pipeline overbend place. BRIEF DESCRIPTION OF DRAWINGS

[0029] The above and other features and advantages of the utility model will become more apparent by describing in detail example implementation manners with reference to the accompanying drawings.

[0030] Figure 1 It is the overall structure schematic view of the utility model.

[0031] Figure 2 It is the overall structure side view of the utility model.

[0032] Figure 3 It is the elastic leather bowl subassembly enlarged view of the utility model.

[0033] Figure 4 It is the telescopic gear set structure enlarged view of the utility model.

[0034] Figure 5 It is the leather bowl telescopic subassembly in the open state of the utility model.

[0035] Figure 6 It is the leather bowl telescopic subassembly in the contraction state of the utility model.

[0036] Figure 7 It is the telescopic gear set structure side sectional view of the utility model.

[0037] In the drawing, 1 is a barrel; 2 is an elastic leather bowl subassembly; 21 is a leather bowl; 22 is a sliding rail; 23 is a sliding sliding block; 3 is a telescopic gear set structure; 31 is a telescopic rod; 32 is a first gear; 33 is a second gear; 331 is a second pinion; 332 is a second gearwheel; 34 is a clockwork gear; 35 is a clockwork.

[0038] In the application, all the drawings are schematic drawings, are only used for explaining the principle of the utility model, and are not drawn according to actual proportion. DETAILED DESCRIPTION

[0039] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0040] like Figures 1-2 As shown, this utility model is a variable diameter cup based on a gear set that adapts to the pipe diameter. It includes a sleeve 1 and multiple spaced-apart arc-shaped elastic cup assemblies 2. Each elastic cup assembly 2 is connected to the sleeve 1 through a telescopic gear set structure 3. The telescopic gear set structure 3 is circumferentially spaced on the outside of the sleeve 1 and consists of a gear set composed of three gears, which are connected to the elastic cup assembly 2 through a telescopic rod 31. When this variable diameter cup passes through a variable diameter pipe or a bend, the telescopic gear set structure 3 can adapt to the pressure on the cup and promptly adapt to changes in the pipe curvature, ensuring that the elastic cup assembly 2 always fits against the inner wall of the pipe.

[0041] like Figure 3 As shown, the elastic cup assembly 2 in this solution is located on the outside of the sleeve 1, and six of them are arranged circumferentially on the outside of the sleeve 1.

[0042] To illustrate the specific structure of the elastic cup assembly 2, this utility model employs the following components in the elastic cup assembly 2:

[0043] The leather cups 21 are arranged in an arc shape, and six leather cups 21 are arranged circumferentially on the outside of the sleeve 1, with their inner ends rotatably connected to the sleeve 1; the sliding track 23 is arranged in an arc shape and fixed in the axial middle of the leather cups 21; the sliding slider 23 is slidably arranged on the sliding track 22.

[0044] like Figure 4 As shown, the telescopic gear structure in this scheme is set on the outside of the sleeve 1, and six of them are arranged circumferentially on the outside of the sleeve 1.

[0045] To illustrate the specific structure of the telescopic gear set structure 3, this utility model employs the following telescopic gear set structure 3:

[0046] The telescopic rod 1 is externally threaded; a cylindrical cavity for the upward and downward movement of the telescopic rod 31 is arranged in the area of the barrel 1 below the telescopic rod 31; the first gear 32 is internally threaded and externally provided with a 10-tooth gear, the first gear 32 is threadedly connected with the telescopic rod 31 and is sleeved on the telescopic rod 31; the second gear 33 comprises a second pinion 331 and a second gear wheel 332, the second pinion 331 is located on the upper portion of the second gear wheel 332 and is fixedly connected with the second gear wheel 332 in a coaxial manner, the second gear wheel 332 is engaged with the first gear 32, and the second pinion 331 is engaged with the clockwork gear 34; the clockwork 35 is arranged on the upper end of the clockwork gear 34 and is fixedly connected with the clockwork gear 34 in a coaxial manner; the telescopic rod 31 is hingedly connected with the sliding block 23 through a pin; the second pinion 331 is externally provided with a 10-tooth gear; the second gear wheel 332 is externally provided with a 24-tooth gear; and the clockwork gear 34 is externally provided with a 42-tooth gear.

[0047] As shown in Figure 5 the embodiment, the leather bowl 2 is hingedly connected with the telescopic rod 31 through the sliding block 23 on the sliding rail 22 on the leather bowl 2, the telescopic rod 31 is threadedly connected with the first gear 32, the first gear 32 is engaged with the second gear wheel 332, the second pinion 331 is engaged with the clockwork gear 34, and the rotation of the clockwork gear 34 drives the clockwork 35 to deform. When the device passes through a reduced-diameter pipeline or an inner bend of a bent pipe, the pressure borne by the leather bowl 2 increases, the sliding block 23 moves downward on the sliding rail 22, so that the telescopic rod 31 moves downward into the cylindrical cavity below the telescopic rod 31, and the first gear 32, the second gear wheel 332 and the second pinion 331 rotate in the moving process, the second pinion 331 drives the clockwork gear 34 to rotate, the clockwork 35 is tightened, the overall height of the leather bowl 2 is lowered, and thus the device can adapt to the curvature change of the pipeline and the elastic leather bowl can be attached to the inner wall of the pipeline.

[0048] As shown in Figure 6 the embodiment, the clockwork is released by springback to drive the clockwork gear 34 to rotate, and then the second pinion 331, the second gear wheel 332 and the first gear are driven to rotate, so that the telescopic rod 31 is elongated, the sliding block 23 slides upward along the sliding rail 22, the overall height of the leather bowl 2 is increased, and thus the device can adapt to the curvature change of the pipeline and the elastic leather bowl can be attached to the inner wall of the pipeline.

[0049] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A variable diameter leather cup based on the gear set self-adapting pipe diameter, characterized in that, The utility model relates to a kind of elastic leather bowl assembly and its stretching and contracting gear set structure. Including: Barrel (1); Multiple arc-shaped elastic leather bowl assemblies (2) are arranged at intervals, each of the elastic leather bowl assemblies (2) is connected with the barrel (1) by a stretching and contracting gear set structure (3); 2. A variable diameter leather cup based on the self-adapting pipe diameter of the gear set according to claim 1, characterized in that, The stretching and contracting gear set structure (3) is arranged at intervals on the outer side of the barrel (1). The elastic leather bowl assembly (2) includes: Leather bowl (21), arranged in an arc, six leather bowls (21) are arranged at intervals on the outer side of the barrel (1), and the inner end is rotatably connected with the barrel (1); Sliding rail (22), arranged in an arc, fixed to the axial middle part of the concave surface of the leather bowl (21); 3. A variable diameter leather cup based on gear set self-adapting pipe diameter according to claim 1, characterized in that, Sliding block (23), slidingly arranged on the sliding rail (22). The stretching and contracting gear set structure (3) includes: Telescopic rod (31), which is externally threaded; the lower area of the barrel (1) is provided with a cylindrical cavity for the upward and downward travel of the telescopic rod (31); First gear (32), which is internally threaded, has a 10-tooth gear on the outer side, and is threadedly connected with the telescopic rod (31) and sleeved on the telescopic rod (31); Second gear (33) includes: second pinion (331) and second gear (332), the second pinion (331) is located on the upper part of the second gear (332), and the two are fixedly connected with the same axis, the second gear (332) is engaged with the first gear (32), and the second pinion (331) is engaged with the clockwork gear (34); 4. A variable diameter leather cup based on the self-adapting pipe diameter of the gear set according to claim 3, characterized in that, Clockwork gear (34), which is fixedly connected with the same axis as the clockwork (35).

5. A variable diameter leather cup based on gear set self-adapting pipe diameter according to claim 3, characterized in that, The upper end of the telescopic rod (31) is hingedly connected with the sliding block (23) by a pin.

6. A variable diameter leather cup based on gear set self-adapting pipe diameter according to claim 3, characterized in that, The second pinion (331) has a 10-tooth gear on the outer side; the second gear (332) has a 24-tooth gear on the outer side. The clockwork gear (34) has a 42-tooth gear on the outer side.

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