CN212226419U

CN212226419U - Positioning device for pipeline detection robot

Info

Publication number: CN212226419U
Application number: CN202020919983.XU
Authority: CN
Inventors: 陈露
Original assignee: Tianjin University of Science and Technology
Current assignee: Tianjin University of Science and Technology
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-25
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a positioner for pipeline inspection robot, including flexible casing, the slide rail is installed to the inner wall symmetry of flexible casing, sliding connection has the slider on the slide rail, the both ends at the lifter plate are installed to the slider symmetry, the center department of lifter plate is connected through the top inner wall center department of lifting unit with flexible casing, four turning position departments in the bottom of lifter plate install the supporting leg, lifting unit includes stopper, external screw thread pole, interior thread seat, bearing, driven bevel gear, initiative bevel gear, motor and motor frame, driven bevel gear passes through the bearing and rotates the top inner wall center department of connecting at flexible casing, one side meshing of driven bevel gear is connected with initiative bevel gear. The utility model discloses novel structure thinks about ingeniously, makes inspection robot's front wheel empty, can prevent effectively that the in-process inspection robot position that inspection robot detected from removing, promotes inspection robot's detection precision.

Description

Positioning device for pipeline detection robot

Technical Field

The utility model relates to a pipeline inspection robot technical field specifically is a positioner for pipeline inspection robot.

Background

The pipeline robot is a mechanical, electrical and instrument integrated system which can automatically walk along the inside or outside of a tiny pipeline, carry one or more sensors and an operating machine and carry out a series of pipeline operations under the remote control operation of a worker or the automatic control of a computer.

At present, when a pipeline detection robot moves to a pipeline detection position, in the process of executing detection operation, the pipeline detection robot moves, and the detection precision is affected. Therefore, it is necessary to design a positioning device for a pipeline inspection robot.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a positioner for pipeline inspection robot, the device novel structure thinks about ingeniously, makes inspection robot's front wheel vacate, can prevent effectively that the in-process inspection robot position that inspection robot detected from removing, promotes inspection robot's detection precision.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for a pipeline detection robot comprises a telescopic shell, slide rails are symmetrically arranged on the inner wall of the telescopic shell, slide blocks are connected onto the slide rails in a sliding mode, the slide blocks are symmetrically arranged at two ends of a lifting plate, the center of the lifting plate is connected with the center of the inner wall of the top of the telescopic shell through a lifting assembly, and supporting legs are arranged at four corner positions of the bottom of the lifting plate;

the lifting assembly comprises a limiting block, an external threaded rod, an internal threaded seat, a bearing, a driven bevel gear, a driving bevel gear, a motor and a motor frame, wherein the driven bevel gear is connected to the center of the inner wall of the top of the telescopic shell through the bearing in a rotating mode, one side of the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is fixed to the output end of the motor, the motor is fixed to one side of the inner wall of the top of the telescopic shell through the motor frame, the external threaded rod is installed at the center of the bottom of the driven bevel gear, the external threaded rod is meshed with the internal threaded seat connected to the center of the lifting plate, and the limiting block is.

Preferably, the supporting leg includes rubber base, mount pad, sleeve pipe, flexible pipe and supporting spring, the four corner positions department in the bottom of lifter plate are fixed to the mount pad, the sleeve pipe is installed at the bottom center department of mount pad, telescopic inside sliding connection has flexible pipe, rubber base is installed to the bottom of flexible pipe, be connected through supporting spring between sleeve pipe and the flexible pipe.

Preferably, the two ends of the sliding rail are clamped and fixed with a limiting clamping seat.

Preferably, a travel switch is mounted on the limit clamping base and electrically connected with the motor.

Preferably, the positioning plates are installed on two sides of the bottom of the telescopic shell, and bolt holes are formed in the center of the positioning plates.

The utility model has the advantages that:

1. the device is arranged between two front wheels of a detection robot, when the robot reaches a detection part, a motor works to drive a driving bevel gear to rotate so as to drive a driven bevel gear to rotate, and then drives an external thread rod to move inside an internal thread seat so as to drive a lifting plate to descend, so that a supporting leg at the bottom of the lifting plate is supported on the inner wall of a pipeline, the front wheels of the detection robot are emptied, the position of the detection robot can be effectively prevented from moving in the detection process of the detection robot, and the detection precision of the detection robot is improved;

2. rubber base can produce an ascending thrust when the in-process with the contact of pipeline inner wall to drive flexible pipe toward sheathed tube inside motion, cause supporting spring atress compression, under supporting spring's reverse effort, make it have certain shock-absorbing function.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall plane structure of the present invention;

fig. 2 is a schematic plan view of the lifting assembly of the present invention;

FIG. 3 is a schematic view of the support leg plane structure of the present invention;

reference numbers in the figures: 1. a telescopic housing; 2. positioning a plate; 3. bolt holes; 4. a lifting assembly; 5. a slide rail; 6. a slider; 7. supporting legs; 8. a lifting plate; 9. a rubber base; 10. a limiting clamping seat; 11. a travel switch; 12. a limiting block; 13. an externally threaded rod; 14. an internal thread seat; 15. a bearing; 16. a driven bevel gear; 17. a drive bevel gear; 18. a motor; 19. a motor frame; 20. a mounting seat; 21. a sleeve; 22. a telescopic pipe; 23. supporting the spring.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Given by figures 1-3, the utility model provides the following technical scheme: a positioning device for a pipeline detection robot comprises a telescopic shell 1, slide rails 5 are symmetrically installed on the inner wall of the telescopic shell 1, slide blocks 6 are connected to the slide rails 5 in a sliding mode, the slide blocks 6 are symmetrically installed at two ends of a lifting plate 8, the center of the lifting plate 8 is connected with the center of the inner wall of the top of the telescopic shell 1 through a lifting assembly 4, and supporting legs 7 are installed at four corner positions of the bottom of the lifting plate 8;

the lifting component 4 comprises a limiting block 12, an external thread rod 13, an internal thread seat 14, a bearing 15, a driven bevel gear 16, a driving bevel gear 17, a motor 18 and a motor frame 19, wherein the driven bevel gear 16 is rotatably connected to the center of the inner wall of the top of the telescopic shell 1 through the bearing 15, one side of the driven bevel gear 16 is in meshing connection with the driving bevel gear 17, the driving bevel gear 17 is fixed on the output end of the motor 18, the motor 18 is fixed on one side of the inner wall of the top of the telescopic shell 1 through the motor frame 19, the external thread rod 13 is installed at the center of the bottom of the driven bevel gear 16, the external thread rod 13 is in meshing connection with the internal thread seat 14 at the center of the lifting plate 8, the limiting block 12 is installed at the bottom of the external thread rod 13, the device is installed between two front wheels of the detection robot, when the robot reaches a detection part, the motor, then, the external thread rod 13 is driven to move inside the internal thread seat 14, so that the lifting plate 8 is driven to descend, the supporting legs 7 at the bottom of the lifting plate 8 are supported on the inner wall of the pipeline, the front wheel of the detection robot is emptied, the position of the detection robot can be effectively prevented from moving in the detection process of the detection robot, and the detection precision of the detection robot is improved.

The supporting leg 7 includes rubber base 9, mount pad 20, sleeve pipe 21, flexible pipe 22 and supporting spring 23, mount pad 20 is fixed in four corner positions in the bottom of lifter plate 8 department, the sleeve pipe 21 is installed to the bottom center department of mount pad 20, the inside sliding connection of sleeve pipe 21 has flexible pipe 22, rubber base 9 is installed to flexible pipe 22's bottom, be connected through supporting spring 23 between sleeve pipe 21 and the flexible pipe 22, rubber base 9 is when the in-process with the contact of pipeline inner wall, can produce an ascending thrust, thereby drive flexible pipe 22 toward the inside motion of sleeve pipe 21, cause supporting spring 23 atress compression, under supporting spring 23's reverse acting force, make it have certain shock-absorbing function.

The two ends of the sliding rail 5 are clamped and fixed with the limiting clamping seats 10, and the limiting device has a good limiting function.

The limit clamping base 10 is provided with a travel switch 11, the travel switch 11 is electrically connected with a motor 18, and through the travel switch 11, when the sliding block 6 contacts the travel switch 11, the travel switch 11 controls the motor 18 to stop working.

Locating plates 2 are installed on two sides of the bottom of the telescopic shell 1, and bolt holes 3 are formed in the center of the locating plates 2, so that the telescopic shell 1 is convenient to fix.

The utility model discloses during the use, install the device between two front wheels of detection robot, when the robot reachd the detection position, motor 18 work, drive the rotation of drive bevel gear 17 and thereby drive driven bevel gear 16 rotatory, drive the internal motion of external screw thread pole 13 at internal thread seat 14 then, thereby drive lifter plate 8 and descend, make the supporting leg 7 of lifter plate 8 bottom support to the inner wall of pipeline, thereby make the front wheel of detection robot vacate, can prevent effectively that the detection robot position from moving in the in-process that the detection robot detected, promote the detection robot's detection precision;

when the rubber base 9 contacts the inner wall of the pipeline, an upward thrust is generated, so that the extension tube 22 is driven to move towards the inside of the sleeve 21, the support spring 23 is stressed and compressed, and under the reverse acting force of the support spring 23, the extension tube has a certain damping function.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a positioner for pipeline inspection robot, includes flexible casing (1), its characterized in that: the inner wall of the telescopic shell (1) is symmetrically provided with slide rails (5), the slide rails (5) are connected with slide blocks (6) in a sliding manner, the slide blocks (6) are symmetrically arranged at two ends of a lifting plate (8), the center of the lifting plate (8) is connected with the center of the inner wall of the top of the telescopic shell (1) through a lifting assembly (4), and supporting legs (7) are arranged at four corner positions at the bottom of the lifting plate (8);

the lifting component (4) comprises a limiting block (12), an external thread rod (13), an internal thread seat (14), a bearing (15), a driven bevel gear (16), a driving bevel gear (17), a motor (18) and a motor frame (19), the driven bevel gear (16) is rotationally connected to the center of the inner wall of the top of the telescopic shell (1) through a bearing (15), one side of the driven bevel gear (16) is engaged with a driving bevel gear (17), the drive bevel gear (17) is fixed on the output end of the motor (18), the motor (18) is fixed on one side of the inner wall of the top of the telescopic shell (1) through a motor frame (19), an external thread rod (13) is arranged at the center of the bottom of the driven bevel gear (16), the external screw thread rod (13) is meshed with and connected to the inner thread seat (14) at the center of the lifting plate (8), and the bottom of the external screw thread rod (13) is provided with a limiting block (12).

2. The positioning device for the pipeline inspecting robot according to claim 1, wherein: supporting leg (7) include rubber base (9), mount pad (20), sleeve pipe (21), flexible pipe (22) and supporting spring (23), four corner positions department in the bottom of lifter plate (8) are fixed in mount pad (20), the bottom center department of mount pad (20) installs sleeve pipe (21), the inside sliding connection of sleeve pipe (21) has flexible pipe (22), rubber base (9) are installed to the bottom of flexible pipe (22), be connected through supporting spring (23) between sleeve pipe (21) and the flexible pipe (22).

3. The positioning device for the pipeline inspecting robot according to claim 1, wherein: and two ends of the sliding rail (5) are clamped and fixed with a limiting clamping seat (10).

4. The positioning device for the pipeline inspecting robot according to claim 3, wherein: the limit clamping seat (10) is provided with a travel switch (11), and the travel switch (11) is electrically connected with a motor (18).

5. The positioning device for the pipeline inspecting robot according to claim 1, wherein: locating plates (2) are installed on two sides of the bottom of the telescopic shell (1), and bolt holes (3) are formed in the center of the locating plates (2).