Pipeline climbing mechanism

Abstract

The utility model relates to the technical field of pipeline detection, in particular to a pipeline climbing mechanism which comprises a machine frame, a plurality of supporting arms are rotationally connected to the two ends of the machine frame through supporting pieces, reducing mechanisms are arranged between the supporting arms and the machine frame, and climbing mechanisms are arranged at the free ends of the supporting arms. Wherein one end of the rack is further fixedly connected with a support, the top of the support is provided with a detection unit through an adjusting assembly, the adjusting assembly is used for adjusting the height and angle of the detection unit, and the adjusting assembly is detachably connected with the detection unit. The pair of clamping pieces is folded and tightly holds the first rotating part and the second rotating part through the arc-shaped grooves in the two sides, the function of fixing the height and the angle of the camera is achieved, the first rotating part and the second rotating part are movably connected in the arc-shaped grooves, adjustment is convenient, and in addition, the monitoring unit can be rapidly disassembled and assembled in the mode that the base is stopped by the positioning glass beads.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field especially, relate to a pipeline climbing mechanism. BACKGROUND

[0002] In recent years, with the rapid development of national industry, pipeline as the important transportation mode of water, oil, natural gas and other resources, its demand increases year by year, but due to pipeline usually in harsh working environment for a long time, affected by geological disasters, chemical corrosion and other external factors, internal damage, external corrosion and even explosion and other serious accidents may occur, which brings serious hidden trouble to people's life.

[0003] Therefore, in order to facilitate the detection of pipeline inside, avoid the accidental situation of artificial detection, a pipeline climbing mechanism is needed, such as the prior art Chinese patent publication number "CN214119373U" discloses a variable diameter pipeline detection robot, which has low variable diameter precision requirement, strong adaptability, high variable diameter efficiency and convenient use, and the main machine frame is provided with: a detection mechanism arranged on the front side of the main machine frame for detecting the inside of the pipeline, a walking mechanism including swing arms arranged at intervals on the outer periphery of the main machine frame, the swing arms are hingedly connected with the main machine frame, the foremost end of the swing arm is provided with a wheel foot, a variable diameter mechanism including a rotating wheel groove disc capable of rotating, the rotating wheel groove disc is provided with a guide groove, the guide groove is provided with a driving rod, the rotating wheel groove disc rotates to drive the driving rod to move outward under the limitation of the guide groove, the driving rod is connected with a sliding rod, the sliding rod is hingedly connected with a spring support rod, the other end of the spring support rod is hingedly connected with the swing arm, and a driving mechanism capable of driving the wheel foot to rotate.

[0004] In specific operation, the detection mechanism is arranged at the midpoint of one end of the main machine body to detect the condition of the inner wall of the pipeline, but the detection mechanism is fixedly connected with the main machine body and cannot be adjusted in height and angle, so that for the specific area that needs to be accurately checked, such as the side wall of the pipeline, the camera at the center position may be difficult to provide sufficient angle to perform detailed check, reducing the application range. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings that the detection mechanism and the main machine body cannot be adjusted in height and angle in the prior art, and provides a pipeline climbing mechanism.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model designs a pipeline climbing mechanism, which comprises a rack, a plurality of support arms are rotatably connected to both ends of the rack through supports, a variable-diameter mechanism is arranged between the support arms and the rack, and a crawling mechanism is arranged at the free end of the support arm.

[0008] Wherein, one end of the rack is also fixedly connected with a support, the top of the support is provided with a detection unit through an adjusting assembly, the adjusting assembly is used for adjusting the height and angle of the detection unit, and the adjusting assembly and the detection unit are detachably connected.

[0009] Further, the adjusting assembly comprises a first rotating part, the top of the support is fixedly connected with the first rotating part, a pair of clamping pieces are arranged at the top of the first rotating part, and arc-shaped grooves are arranged on the upper and lower sides of the opposite surfaces of the pair of clamping pieces.

[0010] Further, the side surface of one of the clamping pieces is rotatably connected with a lead screw, the free end of the lead screw is threadedly connected with the other clamping piece, and a supporting spring is fixedly connected between the pair of clamping pieces, wherein the pair of clamping pieces can be folded and can tightly hold the first rotating part through the arc-shaped grooves.

[0011] Further, the adjusting assembly further comprises a second rotating part, the second rotating part is the same in structure as the first rotating part, the second rotating part is arranged in the arc-shaped groove on the other side, the second rotating part is in a spherical structure and has one end, the end of the second rotating part is fixedly connected with a supporting plate, and the detection unit is arranged on the supporting plate.

[0012] Further, the top of the supporting plate is fixedly connected with at least one pair of supporting rods, the detection unit comprises a camera arranged at the top of a base, and the base is inserted into the supporting rods through a through hole.

[0013] Further, at least one of the supporting rods extends to the periphery of the base and is embedded with a positioning glass bead on the side surface, and the telescopic column end of the positioning glass bead stops the base.

[0014] The pipeline climbing mechanism has the advantages that: the pair of clamping pieces are relatively moved in the mode of rotating the lead screw, the pair of clamping pieces are folded and tightly hold the first and second rotating parts through the arc-shaped grooves on the two sides, the height and angle of the camera are fixed, the first and second rotating parts are movably connected in the arc-shaped grooves in the mode of folding the pair of clamping pieces with appropriate force before the height and angle of the camera are determined, the height and angle of the camera are adjusted, the base is stopped by the positioning glass bead, the detection unit is quickly disassembled and assembled, the detection unit is cleaned and maintained after detection, the structure is simple and practical, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a structural schematic view of the adjusting assembly of the utility model;

[0017] Fig. 3 It is a structural schematic view of the first and second rotating parts of the utility model.

[0018] In the figure: 1, rack; 2, support; 3, support arm; 4, variable diameter mechanism; 5, crawling mechanism; 6, support; 7, adjusting assembly; 71, first rotating part; 72, clamping piece; 73, arc-shaped slot; 74, screw rod; 75, support spring; 76, second rotating part; 77, support plate; 78, support rod; 79, positioning glass bead; 8, detection unit; 81, base. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Referring to Figs. 1-3 A pipeline climbing mechanism, comprising a rack 1, a plurality of support arms 3 are rotatably connected to both ends of the rack 1 through support 2, a variable diameter mechanism 4 is arranged between the support arm 3 and the rack 1, and a crawling mechanism 5 is arranged at the free end of the support arm 3;

[0021] Wherein, one end of the rack 1 is also fixedly connected with a support 6, a detection unit 8 is arranged on the top of the support 6 through an adjusting assembly 7, the adjusting assembly 7 is used for adjusting the height and angle of the detection unit 8, and the adjusting assembly 7 and the detection unit 8 are detachably connected.

[0022] It should be noted that the variable diameter mechanism 4 is used for adjusting the inclination angle of the support 2, thereby changing the height of the crawling mechanism 5, adapting to the inner wall of the pipeline with different diameters, the crawling mechanism 5 comprises a pulley, the pulley is rotatably connected to the other end of the support arm 3 and is driven to rotate by a motor;

[0023] In addition, the bottom of the support 6 is provided with a U-shaped clasp, and the support 6 is fixedly connected to the guide rod on the side of the rack 1 through the U-shaped clasp, a control unit is fixedly connected in the inside of the rack 1, the control unit is electrically connected with the detection unit 8, and is used for transmitting the monitoring picture to the operator.

[0024] Further, the adjusting assembly 7 comprises a first rotating part 71, the top of the support 6 is fixedly connected with the first rotating part 71, and a pair of clamping pieces 72 are arranged on the top of the first rotating part 71, and arc-shaped grooves 73 are arranged on the upper and lower sides of the opposite sides of the pair of clamping pieces 72.

[0025] Further, the side of one of the clamping pieces 72 is rotatably connected with a lead screw 74, the free end of the lead screw 74 is threadedly connected with the other clamping piece 72, and a supporting spring 75 is further fixedly connected between the pair of clamping pieces 72, wherein the pair of clamping pieces 72 can be folded and can tightly hold the first rotating part 71 through the arc-shaped grooves 73.

[0026] It is worth mentioning that one end of the lead screw 74 is fixedly connected with a knob, the pair of clamping pieces 72 are relatively moved under the drive of the lead screw 74, and before being appropriately folded and not tightly holding the first rotating part 71, the first rotating part 71 and the second rotating part 76 can be movably connected in the arc-shaped grooves 73, at this time, the height and angle of the detection unit 8 can be adjusted, and after the adjustment is completed, the first and second rotating parts can be tightly held by folding;

[0027] The operation mode of the pair of clamping pieces 72 tightly holding the first and second rotating parts can refer to the existing technology of the universal ball structure.

[0028] The inner wall of the arc-shaped groove 73 can be bonded with a non-slip pad to prevent the first rotating part 71 and the second rotating part 76 from moving after being tightly held.

[0029] In more detail, the adjusting assembly 7 further comprises a second rotating part 76, the second rotating part 76 is the same in structure as the first rotating part 71, and the second rotating part 76 is arranged in the arc-shaped groove 73 on the other side, the second rotating part 76 is in a spherical structure and has an end, and the end is fixedly connected with a supporting plate 77, and the detection unit 8 is arranged on the supporting plate 77.

[0030] It should be noted that the pair of clamping pieces 72 are folded and pass through, and the upper and lower ends of the opposite sides form a trapezoidal structure avoiding groove, and the shaft ends of the first rotating part 71 and the second rotating part 76 can be arranged in the above avoiding groove to realize the function of multi-angle adjustment.

[0031] In general, the top of the supporting plate 77 is fixedly connected with at least a pair of supporting rods 78, the detection unit 8 comprises a camera arranged on the top of a base 81, and the base 81 is inserted with the supporting rods 78 through a through hole.

[0032] Finally, at least one of the support rods 78 extends to the periphery of the base 81 and is embedded with a positioning bead 79 on the side, and the telescopic column end of the positioning bead 79 stops the base 81.

[0033] It is worth mentioning that the setting of at least one pair of support rods 78 can circumferentially lock the base 81, and the telescopic column end of at least one positioning bead 79 can stop the base 81 to achieve the effect of fixing the camera.

[0034] Working mode; when working, press the telescopic column end of the positioning bead 79, and then the telescopic column end is retracted, the base 81 is inserted with the support rod 78, and the telescopic column is reset under the action of the spring to stop the base 81, thereby achieving the effect of fixing the camera.

[0035] When the angle and height of the camera need to be adjusted, rotate the lead screw 74 to make a pair of clamping pieces 72 move relatively, that is, the clamping pieces 72 on both sides do not separate from the first rotating part 71 and the second rotating part 76, at this time, the first and second rotating parts are movably connected in the arc-shaped groove 73 for adjustment, then rotate the lead screw 74 to drive a pair of clamping pieces 72 to move relatively, that is, the first rotating part 71 and the second rotating part 76 are tightly held, and the height and angle of the camera are fixed.

[0036] Finally, the rack 1 is driven by the variable-diameter mechanism and the crawling mechanism to crawl along the inner wall of the pipeline.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pipe climbing mechanism comprising a carriage (1), characterized in that: A plurality of support arms (3) are rotatably connected to the both ends of the rack (1) through supports (2), and a variable-diameter mechanism (4) is arranged between the support arms (3) and the rack (1), and a crawling mechanism (5) is arranged at the free end of the support arm (3); Wherein, one end of the rack (1) is also fixedly connected with a support (6), and the top of the support (6) is provided with a detection unit (8) through an adjusting assembly (7), the adjusting assembly (7) is used for adjusting the height and angle of the detection unit (8), and the adjusting assembly (7) and the detection unit (8) are detachably connected.

2. A pipe climbing mechanism according to claim 1, characterised in that: The adjusting assembly (7) comprises a first rotating part (71), and the top of the support (6) is fixedly connected with the first rotating part (71), and a pair of clamping pieces (72) are arranged at the top of the first rotating part (71), and arc-shaped grooves (73) are arranged on the upper and lower sides of the opposite surfaces of the pair of clamping pieces (72).

3. A pipe climbing mechanism according to claim 2, wherein: One side surface of one of the clamping pieces (72) is rotatably connected with a lead screw (74), the free end of the lead screw (74) is threadedly connected with the other clamping piece (72), and a supporting spring (75) is fixedly connected between the pair of clamping pieces (72), wherein the pair of clamping pieces (72) are folded and can tightly hold the first rotating part (71) through the arc-shaped grooves (73).

4. A pipe climbing mechanism according to claim 3, wherein: The adjusting assembly (7) further comprises a second rotating part (76), which has the same structure as the first rotating part (71), and is arranged in the arc-shaped groove (73) on the other side, and the second rotating part (76) has a spherical structure and one end, and the end is fixedly connected with a supporting plate (77), and the detection unit (8) is arranged on the supporting plate (77).

5. A pipe climbing mechanism according to claim 4, wherein: The top of the supporting plate (77) is fixedly connected with at least one pair of supporting rods (78), and the detection unit (8) comprises a camera arranged at the top of a base (81), and the base (81) is inserted into the supporting rod (78) through a through hole.

6. A pipe climbing mechanism according to claim 5, wherein: At least one of the supporting rods (78) extends to the periphery of the base (81) and is embedded with a positioning glass bead (79) on the side surface, and the telescopic column end of the positioning glass bead (79) stops the base (81).

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