CN214425424U

CN214425424U - Detect crawler in telescopic pipeline

Info

Publication number: CN214425424U
Application number: CN202120057345.6U
Authority: CN
Inventors: 宋俊俊; 陈兴阳; 叶凌伟; 叶宇峰; 曹国辉; 韩有华; 陆树华; 唐夏焘; 徐峰
Original assignee: Henan Delang Intelligent Technology Co Ltd; Zhejiang Institute of Special Equipment Science
Current assignee: Henan Delang Intelligent Technology Co Ltd; Zhejiang Institute of Special Equipment Science
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-19
Anticipated expiration: 2031-01-11

Abstract

The utility model provides a detect crawl device in telescopic pipeline, including the fixed stay pole, the endoscopic lens group is seen in the fixed stay pole lower extreme setting, the external screw shaft of fixed stay pole sets up the bearing between fixed stay pole and the screw shaft, the handle nut of the external hinge dish of screw shaft, the landing leg subassembly is connected to the hinge dish, the screw shaft is rotatory and drive the landing leg subassembly and extend or shrink along with the motor start. The utility model has the advantages that: the function of automatically adjusting the supporting leg assembly can be realized through motor control, and the pipe diameter change during detection in the pipeline is favorably adapted.

Description

Detect crawler in telescopic pipeline

Technical Field

The utility model relates to a special equipment technical field, concretely relates to detect crawler in telescopic pipeline.

Background

The pipeline detection is relevant to national production safety, and for the pressure pipeline, the pipeline detection is not only required by enterprise safety production, but also required by national legal standards. For pressure pipeline detection, detection methods of conventional means are often performed from the outer surface, for example, thickness measurement for corrosion thinning, detection of buried defects on the outer surface, and the like. However, for pipelines at high altitudes or pipelines at special positions, common detection means are difficult to cover, so that the detection technology in the pipelines becomes a research focus of students, the internal detection crawler is gradually applied to the detection technology in the pipelines, the commonly used crawler is limited by the conditions such as the width of a crawler and the like and is commonly used for detecting large-diameter pipes, and the wheel type pipeline internal detection crawler can adapt to the detection in small-diameter pipelines and is a hotspot for people to research the detection in the pipelines.

At present, the wheel type internal detection crawler mainly depends on the extrusion of crawler wheels on the inner wall of a pipeline to further complete the work of advancing and detecting, the commonly used wheel type internal detection crawler needs to be manually adjusted in advance before entering a preset detection pipeline, the wheel of the crawler is empty when the inner diameter is changed due to different reducing or local thinning of the same pipeline, the friction is insufficient, the advancing power is influenced,

therefore, for the detection crawler in the pipeline, the adjustment of the supporting legs not only concerns the reliability of the detection result, but also influences the safety of the equipment.

Disclosure of Invention

The utility model aims at providing a structural design is reasonable, can stretch out and draw back automatically, be favorable to crawling the pipeline in detection crawl device that gos forward and detect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a telescopic crawling device for detecting in a pipeline comprises a fixed supporting rod, wherein an endoscopic lens group is arranged at the lower end of the fixed supporting rod, the fixed supporting rod is externally connected with a screw shaft, a bearing is arranged between the fixed supporting rod and the screw shaft, the screw shaft is externally connected with a handle nut of a hinge disc, the hinge disc is connected with a supporting leg assembly, and the screw shaft rotates along with the starting of a motor and drives the supporting leg assembly to extend or retract;

the supporting leg assembly comprises an upper power supporting leg pipe and a driving wheel at the lower end of the upper power supporting leg pipe, a lower power supporting leg pipe and a driving wheel at the lower end of the lower power supporting leg pipe, and the upper power supporting leg pipe and the lower power supporting leg pipe are in telescopic connection with the hinge disc.

Further, screw shaft one side sets up transmission assembly, and transmission assembly includes motor, driving gear, driven gear in the transmission casing, the motor play axle cross-under of motor driving gear, driving gear meshing driven gear, driven gear passes through screw fixed connection with the screw shaft.

Further, a motor pipe threading block is arranged between the transmission shell and the fixed supporting rod.

Further, a transmission shell protecting cover is arranged at the upper end of the transmission shell.

Further, the upper end of the fixed supporting rod is connected with a socket fixing seat, and a socket pressing cover is arranged at the upper end of the socket fixing seat.

Further, a gap is formed between the socket gland and the screw shaft.

Compared with the prior art, the utility model, have following advantage:

the utility model relates to a crawling device for detection in telescopic pipelines, which can realize the function of automatically adjusting a supporting leg assembly through the control of a motor, and is favorable for adapting to the change of pipe diameter during detection in the pipelines; particularly, when the inside of the pipeline is detected, the supporting leg assembly is required to strongly press the pipe wall, and a large friction force is generated, so that the crawler can advance and detect conveniently.

Drawings

Fig. 1 is a schematic structural view of the inspection crawler in a telescopic pipeline of the present invention.

Fig. 2 is a schematic partial structural diagram (a) of the inspection crawler in a telescopic pipeline according to the present invention.

Fig. 3 is a schematic view (ii) of a partial structure of the inspection crawler in a telescopic pipeline according to the present invention.

Reference numerals: the endoscope head comprises a fixed tubular shaft 1, a screw shaft 2, a handle nut 3, a hinge plate 4, a transmission shell 5, a motor 6, a motor output shaft 61, a central outer front shaft 7, a motor tube threading block 8, an endoscope head set 9, a supporting leg 10, a driving wheel 11, an upper power supporting leg tube 12, a lower power supporting leg tube 13, a socket gland 14, a socket fixing seat 15, an upper bearing 16, a driving gear 17, a driven gear 18, a transmission shell protecting cover 19 and a lower bearing 20.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the telescopic crawling device for detecting in a pipeline comprises a fixed support rod, wherein the fixed support rod comprises a fixed tubular shaft 1 and a central outer front shaft 7, the fixed tubular shaft 1 is fixedly connected with the central outer front shaft 7, an endoscope head group 9 is arranged at the lower end of the central outer front shaft 7, and the endoscope head group 9 is used for detecting in the pipeline. The fixed tubular shaft 1 is externally connected with a screw shaft 2, a bearing is arranged between the fixed tubular shaft 1 and the screw shaft 2 and comprises an upper bearing 16 and a lower bearing 20, the screw shaft 2 is externally connected with a handle nut 3 of a hinge disc 4, the hinge disc 4 is connected with a supporting leg assembly, and the screw shaft 2 rotates along with the starting of a motor 6 and drives the supporting leg assembly to extend or retract.

As shown in fig. 1 and 2, the upper end of the fixed pipe shaft 1 is connected to a socket fixing seat 15, and a socket gland 14 is disposed at the upper end of the socket fixing seat 15, specifically, the fixed pipe shaft 1 is screwed with the socket fixing seat 15, and the socket fixing seat 15 is screwed with the socket gland 14. The socket fixing seat 15 can be internally provided with a chip, a part and the like. A gap is formed between the socket gland 14 and the screw shaft 2, so that the socket gland 14 is not influenced when the screw shaft 2 rotates.

As shown in fig. 1 and 3, a transmission assembly is arranged on one side of the screw shaft 2, the transmission assembly comprises a motor 6, a driving gear 17 and a driven gear 18 in a transmission housing 5, a motor output shaft 61 of the motor 6 is connected with the driving gear 17 in a penetrating manner, the driving gear 17 is meshed with the driven gear 18, the driven gear 18 is fixedly connected with the screw shaft 2 through a screw, and the motor 6 is started to drive the screw shaft 2 to rotate. A motor pipe threading block 8 is arranged between the transmission shell 5 and the fixed supporting rod, and the motor pipe threading block 8 is used for wiring, namely, wiring a motor wire. The upper end of the transmission shell 5 is provided with a transmission shell protective cover 19, and the transmission shell protective cover 19 is used for preventing water and rain and also plays a role in beauty.

The leg assembly comprises an upper power leg pipe 12 and a driving wheel 11 at the lower end of the upper power leg pipe, a lower power leg pipe 13 and a driving wheel 11 at the lower end of the lower power leg pipe, wherein the upper power leg pipe 12 and the lower power leg pipe 13 are telescopically connected with the hinge plate 4.

The utility model relates to a detect crawler's theory of operation in telescopic pipeline does: the motor 6 is started and drives the motor output shaft 61, the motor output shaft 61 drives the driving gear 17 to rotate, the driving gear 17 drives the driven gear 18 to rotate, the driven gear 18 drives the screw shaft 2 to rotate, and the screw shaft 2 drives the hinge disc 4 to rotate, so that the extension or the contraction of the landing leg assembly is adjusted. When the inside of the pipeline is detected, the supporting leg assembly is required to strongly extrude the pipe wall, and a larger friction force is generated to facilitate the advancing and the detection of the crawler. When the equipment is detected to be completely retracted, the active retraction mode can be realized through powerful extrusion of the supporting leg assembly, and the passive pulling retraction can be realized through pulling out the retraction equipment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a detect crawler in telescopic pipeline, includes the fixed stay pole, the endoscopic lens group is peeped in the fixed stay pole lower extreme setting, its characterized in that: the fixed support rod is externally connected with a screw shaft, a bearing is arranged between the fixed support rod and the screw shaft, the screw shaft is externally connected with a handle nut of a hinge disc, the hinge disc is connected with the landing leg assembly, and the screw shaft rotates along with the starting of a motor and drives the landing leg assembly to extend or contract;

2. The telescopic in-pipe inspection crawler of claim 1, wherein: and a transmission assembly is arranged on one side of the screw shaft and comprises a motor, a driving gear and a driven gear which are arranged in a transmission shell, the motor output shaft of the motor is connected with the driving gear in a penetrating manner, the driving gear is meshed with the driven gear, and the driven gear is fixedly connected with the screw shaft through a screw.

3. The telescopic in-pipe inspection crawler of claim 2, wherein: and a motor pipe threading block is arranged between the transmission shell and the fixed supporting rod.

4. The telescopic in-pipe inspection crawler of claim 2, wherein: the transmission shell is provided with a protective cover at the upper end.

5. The telescopic in-pipe inspection crawler of claim 1, wherein: the upper end of the fixed supporting rod is connected with a socket fixing seat, and a socket pressing cover is arranged at the upper end of the socket fixing seat.

6. The telescopic in-pipe inspection crawler according to claim 5, wherein: and a gap is formed between the socket gland and the screw shaft.