CN212690863U

CN212690863U - Speed adjusting mechanism for pipeline internal inspection equipment

Info

Publication number: CN212690863U
Application number: CN202021503198.2U
Authority: CN
Inventors: 杨玉
Original assignee: Dazhou Detec Testing Equipment Co ltd
Current assignee: Dazhou Detec Testing Equipment Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-12
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a pipeline is speed adjustment mechanism for internal inspection equipment, press close to the rotor plate that sets up including barrel, fixed mounting in the fixed plate of barrel and being located fixed plate one side and with the fixed plate surface, the circumference terminal surface and the barrel inner wall contact of fixed plate are connected, rotor plate central authorities are provided with a rotation axis, and this rotation axis is worn out on the one end of rotor plate from the fixed plate dorsad and with the output shaft of a motor, it has two at least first through-holes to open along circumference interval on the fixed plate, it has two at least second through-holes that correspond with first through-hole to open on the rotor plate, and when first through-hole and second through-hole are complete when overlapping, the discharge capacity is the biggest, and when first through-hole and second through-hole are complete when not overlapping, the discharge capacity is zero. The utility model discloses the realization is to the regulation of examining equipment speed in the pipeline for equipment remains moderate invariable functioning speed throughout in the pipeline, thereby guarantees the detection precision to the pipeline.

Description

Speed adjusting mechanism for pipeline internal inspection equipment

Technical Field

The utility model relates to an examine speed adjustment mechanism for equipment in pipeline belongs to the pipe-line equipment technical field.

Background

The pipeline is the important facility of transportation liquid and gas, by the wide application in feedwater, drainage, heat supply, supply gas, long distance transport oil and natural gas, agricultural irrigation, among hydraulic engineering and various industrial installation, the pipeline produces damage deformation of different degree after long-time the use easily, lead to the efficiency of oil gas transportation to reduce, produce in the transportation and reveal and lead to the loss increase, also caused serious potential safety hazard simultaneously, consequently necessary to carry out periodic detection to the pipeline, guarantee the intact and peripheral safety of pipeline, reduce pipeline operation management risk, reduce the emergence of operation production accident.

The detector in the pipeline only depends on the action of the power leather cup to move along with the medium, so that the optimal detection speed is difficult to ensure, when the running speed of the detector in the pipeline is too high, the pipeline cleaning is incomplete, the detection data of part of the pipeline section is easy to lose, the impact force of the detector in the pipeline is large, and the leather cup is seriously worn; when the detector in the pipeline runs too slowly, the pipeline cleaning operation and the detection efficiency are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a examine speed adjustment mechanism for equipment in pipeline, this examine speed adjustment mechanism for equipment in pipeline can realize the regulation to examining equipment speed in the pipeline for equipment remains moderate invariable functioning speed throughout in the pipeline, thereby guarantees the detection precision to the pipeline.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a speed adjusting mechanism for pipeline internal inspection equipment comprises a cylinder, a fixed plate fixedly arranged in the cylinder and a rotating plate which is positioned on one side of the fixed plate and arranged close to the surface of the fixed plate, wherein the circumferential end surface of the fixed plate is in contact connection with the inner wall of the cylinder;

the fixed plate is provided with at least two first through holes at intervals along the circumferential direction, the rotating plate is provided with at least two second through holes corresponding to the first through holes, when the first through holes and the second through holes are completely overlapped, the leakage flow rate is maximum, and when the first through holes and the second through holes are not completely overlapped, the leakage flow rate is zero.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the number of the first through holes and the number of the second through holes are 6, and the first through holes and the second through holes are respectively arranged along the circumferential direction of the fixed plate and the rotating plate at equal intervals.

2. In the above scheme, the first through hole and the second through hole are in the shape of a sector with a central angle of 30 °.

3. In the above scheme, the output shaft of the motor is connected with the rotating shaft through a coupling.

4. In the scheme, the outer surface of the cylinder body is sleeved with the leather cup in interference connection with the inner wall of the pipeline.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses examine speed adjusting mechanism for equipment in pipeline, it is installed on the interior equipment of examining of pipeline, and through the earial drainage area of adjusting in real time to the pipeline, realize the regulation to examining equipment speed in the pipeline for equipment remains moderate invariable functioning speed throughout in the pipeline, thereby guarantees the detection precision to the pipeline.

Drawings

FIG. 1 is a sectional view of the speed adjusting mechanism for pipeline internal inspection equipment of the present invention;

FIG. 2 is a schematic view of a partial structure of the speed adjusting mechanism for pipeline internal inspection equipment of the present invention;

figure 3 is the utility model discloses examine equipment in the pipeline and use speed adjustment mechanism's local structure cross-sectional view.

In the above drawings: 1. a barrel; 2. a fixing plate; 3. a rotating plate; 4. a rotating shaft; 5. a motor; 6. a first through hole; 7. a second through hole; 8. a coupling; 9. and (4) a leather cup.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a speed adjusting mechanism for pipeline internal inspection equipment comprises a cylinder body 1, a fixed plate 2 fixedly arranged in the cylinder body 1 and a rotating plate 3 which is positioned on one side of the fixed plate 2 and arranged close to the surface of the fixed plate 2, wherein the circumferential end surface of the fixed plate 2 is in contact connection with the inner wall of the cylinder body 1, a rotating shaft 4 is arranged in the center of the rotating plate 3, and one end, back to the rotating plate 3, of the rotating shaft 4 penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5;

at least two first through holes 6 are formed in the fixed plate 2 at intervals along the circumferential direction, at least two second through holes 7 corresponding to the first through holes 6 are formed in the rotating plate 3, when the first through holes 6 and the second through holes 7 are completely overlapped, the leakage flow rate is the largest, and when the first through holes 6 and the second through holes 7 are not completely overlapped, the leakage flow rate is zero.

The number of the first through holes 6 and the second through holes 7 is 6, and the first through holes and the second through holes are respectively arranged along the circumferential direction of the fixed plate 2 and the rotating plate 3 at equal intervals; the first through hole 6 and the second through hole 7 are fan-shaped with a central angle of 30 °.

Example 2: a speed adjusting mechanism for pipeline internal inspection equipment comprises a cylinder body 1, a fixed plate 2 fixedly arranged in the cylinder body 1 and a rotating plate 3 which is positioned on one side of the fixed plate 2 and arranged close to the surface of the fixed plate 2, wherein the circumferential end surface of the fixed plate 2 is in contact connection with the inner wall of the cylinder body 1, a rotating shaft 4 is arranged in the center of the rotating plate 3, and one end, back to the rotating plate 3, of the rotating shaft 4 penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5;

The output shaft of the motor 5 is connected with the rotating shaft 4 through a coupling 8; the outer surface of the cylinder body 1 is sleeved with a leather cup 9 which is in interference connection with the inner wall of the pipeline.

By adopting the speed adjusting mechanism for the pipeline internal inspection equipment, the speed adjusting mechanism is arranged on the pipeline internal inspection equipment, and the speed of the internal inspection equipment in the pipeline is adjusted by adjusting the drainage area of the fluid in the pipeline in real time, so that the equipment always keeps moderate and constant running speed in the pipeline, and the detection precision of the pipeline is ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a examine speed adjustment mechanism for equipment in pipeline which characterized in that: the device comprises a cylinder body (1), a fixed plate (2) fixedly arranged in the cylinder body (1) and a rotating plate (3) which is positioned on one side of the fixed plate (2) and arranged close to the surface of the fixed plate (2), wherein the circumferential end surface of the fixed plate (2) is in contact connection with the inner wall of the cylinder body (1), a rotating shaft (4) is arranged in the center of the rotating plate (3), and one end, back to the rotating plate (3), of the rotating shaft (4) penetrates out of the fixed plate (2) and is connected with an output shaft of a motor (5);

at least two first through holes (6) are formed in the fixed plate (2) at intervals along the circumferential direction, at least two second through holes (7) corresponding to the first through holes (6) are formed in the rotating plate (3), when the first through holes (6) and the second through holes (7) are completely overlapped, the leakage flow rate is maximum, and when the first through holes (6) and the second through holes (7) are not completely overlapped, the leakage flow rate is zero.

2. The speed adjustment mechanism for the in-pipe inspection apparatus according to claim 1, wherein: the number of the first through holes (6) and the number of the second through holes (7) are 6, and the first through holes and the second through holes are respectively arranged at equal intervals along the circumferential direction of the fixed plate (2) and the rotating plate (3).

3. The speed adjustment mechanism for the in-pipe inspection apparatus according to claim 1, wherein: the first through hole (6) and the second through hole (7) are in fan shapes with central angles of 30 degrees.

4. The speed adjustment mechanism for the in-pipe inspection apparatus according to claim 1, wherein: the output shaft of the motor (5) is connected with the rotating shaft (4) through a coupling (8).

5. The speed adjustment mechanism for the in-pipe inspection apparatus according to claim 1, wherein: the outer surface of the cylinder body (1) is sleeved with a leather cup (9) which is in interference connection with the inner wall of the pipeline.