CN210716987U

CN210716987U - Chain type scanning device

Info

Publication number: CN210716987U
Application number: CN201921370031.0U
Authority: CN
Inventors: 李健; 张宏亮; 曹立江; 陈宝龙; 李宝超
Original assignee: Langwei Xinsiwei Science & Technology Co ltd
Current assignee: Langwei Xinsiwei Science & Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-09
Anticipated expiration: 2029-08-22

Abstract

The application provides a chain type scanning device, which comprises a double-chain frame and an arc-shaped connecting rod; one end of the connecting rod is hinged with the double-chain frame through a sliding adjusting mechanism with adjustable length, and the other end of the connecting rod is detachably connected with the double-chain frame through an adjusting hook to form a closed circular ring; magnetic wheels are arranged at the joints of the double-chain frame, the sliding adjusting mechanism, the adjusting hook and the connecting rod; the motion direction of the magnetic wheel is vertical to the axial direction of the pipeline; the double-chain frame is connected with a section bar for installing the probe. According to the technical scheme provided by the embodiment of the application, the pipeline is encircled into a ring shape corresponding to the chain structure and tightly clasped on the surface of the pipeline, so that the pipeline is suitable for pipelines made of any material and is not limited by pipeline materials; the magnetic wheel can rotate relative to the pipeline, so that the scanning device can move in a guiding manner without using a rail in use, scanning of different parts can be completed only by moving the chain structure when the scanning device works, a worker does not need to move along with the scanning device, and the workload of the worker is greatly reduced.

Description

Chain type scanning device

Technical Field

The application relates to the technical field of nondestructive testing, in particular to a chain type scanning device.

Background

The pipeline is known as the aorta of modern industry and people's life, and has great influence to protecting national energy safety, guarantee resident normal life. Once leakage occurs, unnecessary energy loss is caused, and meanwhile, serious pollution is caused to the environment, even accidents such as fire, explosion and the like are caused. Therefore, the pipeline is subjected to periodic nondestructive testing, defects can be found in time and effectively prevented from being generated, and the method has important significance for ensuring the safe operation of the pipeline.

At present, manual ultrasonic detection is mainly used for detecting the weld joints of pipelines in China. The manual ultrasonic scanner has the following problems: the scanner is mostly adsorbed on the detected material by using a magnetic wheel or a sucker, so the detected material has limitation; the motion of the scanner has no guidance, and if the motion track has guidance, a track needs to be additionally arranged, so that the operation is complex; when the scanner works, the scanner needs to be moved manually, and an operator detection room needs to move along with the scanner.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a chain scanner.

The application provides a chain type scanning device, which comprises a double-chain frame and an arc-shaped connecting rod; one end of the connecting rod is hinged with the double-chain frame through a sliding adjusting mechanism with adjustable length, and the other end of the connecting rod is detachably connected with the double-chain frame through an adjusting hook to form a closed circular ring; magnetic wheels are arranged at the joints of the double-chain frame, the sliding adjusting mechanism, the adjusting hook and the connecting rod; the motion direction of the magnetic wheel is vertical to the axial direction of the pipeline; the double-chain frame is connected with a section bar for installing the probe.

Further, the sliding adjusting mechanism comprises an arc-shaped sliding sleeve and a sliding core matched with the sliding sleeve; one side of the sliding sleeve is provided with an arc-shaped strip-shaped hole; the strip-shaped hole is provided with an adjusting handle; the adjusting handle is connected with the sliding core and used for adjusting the position of the sliding core and locking.

Furthermore, one end of the sliding sleeve, which is far away from the sliding core, is hinged with the double-chain frame; one end of the sliding core far away from the sliding sleeve is hinged with the connecting rod.

Further, the adjusting hook comprises a main body hinged with the connecting rod and a hook capable of moving relatively; the main body is provided with corresponding screw rods corresponding to the hooks; the hook is in threaded connection with the screw rod.

Furthermore, the double-chain frame is provided with corresponding mounting through holes corresponding to the profiles; the section bar penetrates through the mounting through hole to be vertically connected with the double-chain frame; two sides of the double-chain frame are respectively provided with a probe clamping mechanism; the probe clamping mechanism is installed on the section bar.

Further, the probe clamping mechanism comprises a connecting seat connected with the section bar; a sliding table parallel to the section bar is arranged on one side of the connecting seat away from the section bar; the sliding table is provided with corresponding connecting arms in a sliding manner; the connecting arm is vertically connected with a probe bracket; the probe bracket is T-shaped, and two sides of the probe bracket are respectively connected with support arms used for clamping the probe in a sliding way.

Further, magnetic wheels are respectively arranged at two ends of the section bar; the section bar is also provided with an encoder; the encoders are connected with the corresponding magnetic wheels.

Furthermore, a first connector and a second connector are respectively arranged at two ends of the connecting rod; the first connector and the second connector are both U-shaped, and corresponding hinge holes are correspondingly formed in the two side walls; the distance between the inner walls of the two side walls of the first connector is the same as the distance between the outer walls of the two side walls of the second connector; the sliding adjusting mechanism and the adjusting hook are provided with corresponding first connectors/second connectors corresponding to the connecting rods.

Furthermore, the first connector and the second connector are hinged through a spring plunger; the spring plunger comprises a main shaft; the main shaft is sleeved with a spring, and shaft shoulders are arranged at two ends of the spring; one end of the main shaft is provided with a handle; the shaft shoulder close to one end of the handle is in a waist-round shape; the spring is also provided with an outer sleeve which can slide relatively; one end of the outer sleeve close to the handle is provided with a compression plate; the compression plate is annular corresponding to the main shaft and used for compressing the spring.

Further, the spring plunger is arranged on the first connecting head and is positioned at the hinge hole; corresponding baffles are arranged in the hinge holes corresponding to the shaft shoulders; the baffle is provided with a limit hole in a waist shape; the outer sleeve is fixedly connected with the hinge hole.

The application has the advantages and positive effects that: the pipeline is encircled into a ring shape corresponding to the chain structure and tightly held on the surface of the pipeline, so that the pipeline is suitable for pipelines made of any material and is not limited by pipeline materials; the magnetic wheel can rotate relative to the pipeline, so that the scanning device can move in a guiding manner without using a rail in use, scanning of different parts can be completed only by moving the chain structure when the scanning device works, a worker does not need to move along with the scanning device, and the workload of the worker is greatly reduced.

According to the technical scheme provided by some embodiments of the application, the spring plunger is matched and hinged with the connector, so that the connecting rod can be quickly disassembled and assembled, and the corresponding connecting rod can be quickly assembled or disassembled according to pipes with different pipe diameters, so that the pipelines with different pipe diameters can be detected; through the sliding adjusting mechanism, when the perimeter of the chain structure is different from the perimeter of the pipe diameter by a small amount, the perimeter of the chain structure can be finely adjusted, so that the requirement for detecting the pipelines with different pipe diameters is met.

Drawings

Fig. 1 is a schematic structural diagram of a chain scanner provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a sliding adjustment mechanism of a chain scanner provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a side view of a chain scanner provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a spring plunger of a chain scanner provided in an embodiment of the present application.

The text labels in the figures are represented as: 100-double strand frame; 200-a slide adjustment mechanism; 210-a sliding sleeve; 220-a sliding core; 230-an adjusting handle; 300-adjusting the hook; 310-a body; 311-screw rod; 320-hanging hooks; 400-connecting rod; 410-a first connector; 420-a second connector; 430-spring plunger; 431-main shaft; 432-shoulder; 433-a handle; 434-coat; 500-magnetic wheel; 600-section bar; 610-a connection seat; 620-connecting arm; 630-a probe holder; 631-arm.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1, the present embodiment provides a chain scanner, which includes a dual-chain frame 100 and an arc-shaped connecting rod 400; the connecting rod 400 has various lengths, and can be used independently or in combination; one end of the connecting rod 400 is hinged with the double-chain frame 100 through a sliding adjusting mechanism 200 with adjustable length, and the other end is detachably connected with the double-chain frame 100 through an adjusting hook 300; the double-chain frame 100, the sliding adjusting mechanism 200, the connecting rod 400 and the adjusting hook 300 are connected at one time to form a closed circular ring structure, and magnetic wheels 500 are arranged at the joints; the two magnetic wheels 500 are in a group and are respectively positioned at two sides of each joint; the moving direction of the magnetic wheel 500 is perpendicular to the axial direction of the pipeline, and the double-chain frame 100 is connected with a section bar 600 for installing the probe. The pipeline is encircled into a ring shape corresponding to the chain structure and tightly held on the surface of the pipeline, so that the pipeline is suitable for pipelines made of any material and is not limited by pipeline materials; the magnetic wheel 500 can rotate relative to the pipeline, so that the scanning device can move in a guiding manner without using a rail in use, scanning of different parts can be completed only by moving the chain structure when the scanning device works, a worker does not need to move along with the scanning device, and the workload of the worker is greatly reduced.

Referring to fig. 2, in a preferred embodiment, the sliding adjustment mechanism 200 includes an arc-shaped sliding sleeve 210 and a sliding core 220 matched with the sliding sleeve, wherein an arc-shaped strip-shaped hole is formed at one side of the sliding sleeve 210, an adjustment handle 230 for adjustment and fastening is disposed at the strip-shaped hole, a threaded hole is disposed at the sliding core 220 corresponding to the strip-shaped hole, and a corresponding bolt is disposed at the adjustment handle 230 corresponding to the threaded hole; the adjustment handle 230 is threadedly coupled to the slide core 220. When the perimeter of the chain structure is smaller than the perimeter of the pipe diameter, the perimeter of the chain structure can be finely adjusted through the sliding adjusting mechanism 200, so that the requirement for detecting the pipelines with different pipe diameters is met.

In a preferred embodiment, the end of the sliding sleeve 210 away from the sliding core 220 is hinged to the double-chain frame 100, and the end of the sliding core 220 away from the sliding sleeve 210 is hinged to the connecting rod 400.

Referring further to fig. 3, in a preferred embodiment, the adjusting hook 300 includes a main body 310 hinged to a link 400 and a relatively movable hook 320; the main body 310 is provided with a screw 311 along the axial direction, one end of the hook 320 close to the main body 310 is provided with a sliding body in plane contact, the sliding body is provided with a corresponding threaded hole corresponding to the screw 311, and the hook 320 can be controlled to move back and forth by rotating the screw 311.

In a preferred embodiment, the double-chain frame 100 is provided with corresponding installation through holes corresponding to the profiles 300, and the profiles 600 penetrate through the installation through holes to be vertically connected with the double-chain frame 100; two ends of the section bar 600 are respectively positioned at two sides of the double-chain frame 100, two sides of the double-chain frame 100 are respectively provided with a probe clamping mechanism, and the probe clamping mechanisms are arranged on the section bar 600.

In a preferred embodiment, the probe clamping mechanism comprises a connecting seat 610 connected with the profile 600, one side of the connecting seat 610, which is far away from the profile 600, is provided with a sliding table parallel to the profile 600, and the sliding table is provided with a connecting arm 620; the connecting arm 620 is vertically connected with a probe bracket 630, the probe bracket 630 faces one side of the double-chain rack 100, the probe bracket 630 is T-shaped, and two sides of the probe bracket 630 are respectively slidably connected with a supporting arm 631 used for clamping a probe. Adjustable in a direction parallel to the profile 600 by means of the connecting arm 620; adjustment in a direction perpendicular to profile 600 is possible by means of arms 631.

In a preferred embodiment, two ends of the profile 600 are respectively provided with the magnetic wheels 500, each end is provided with two magnetic wheels 500, and the two magnetic wheels 500 are respectively positioned at two sides of the profile 600; the profile 600 is further provided with an encoder, which is connected to one of the magnetic wheels 500 for recording the detection position.

In a preferred embodiment, the connecting rod 400 is provided at both ends thereof with a first connector 410 and a second connector 420; the first connector 410 and the second connector 420 are both U-shaped, the two side walls are correspondingly provided with corresponding hinge holes, the distance between the inner walls of the two side walls of the first connector 410 is the same as the distance between the outer walls of the two side walls of the second connector 420, the second connector 420 is inserted into the inner side of the first connector 410, and the hinge holes can be hinged after being aligned; the sliding adjustment mechanism 200 and the adjustment hook 300 are provided with corresponding first connectors 410 or second connectors 420 corresponding to the connecting rod 400.

Referring to fig. 4, in a preferred embodiment, the first connector 410 and the second connector 420 are hinged by a spring plunger 430, the spring plunger 430 includes a main shaft 431, a spring is sleeved on the main shaft 431, and shoulders 432 are disposed at two ends of the spring; a handle 433 is arranged at one end of the main shaft 431, a shaft shoulder 432 close to one end of the handle 433 is in a waist shape, an outer sleeve 434 capable of sliding relatively is further arranged at the spring, and a compression plate is arranged at one end of the outer sleeve 434 close to the handle 433; the compression plate is ring-shaped corresponding to the main shaft 431 and is used for compressing the spring.

In a preferred embodiment, the spring plunger 430 is installed in the hinge hole of the first connector 410, a corresponding baffle is provided in the hinge hole corresponding to the shoulder 432, and a waist-shaped limiting hole is provided in the baffle; the outer sleeve 434 is fixedly connected to the hinge hole. When the first connector 410 is connected with the second connector 420, the handle 433 only needs to be pulled outwards, the shaft shoulder 432 passes through the baffle and then rotates by one fourth, at the moment, the spring is in a compression state, after the hinge holes of the first connector 410 and the second connector 420 are aligned, the handle 433 rotates by one fourth in the reverse direction, and the main shaft 431 can be driven to be inserted into the second connector 420 through the spring recovery to complete the hinge joint.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. A chain type scanner is characterized by comprising a double-chain frame (100) and an arc-shaped connecting rod (400); one end of the connecting rod (400) is hinged with the double-chain frame (100) through a sliding adjusting mechanism (200) with adjustable length, and the other end of the connecting rod is detachably connected with the double-chain frame (100) through an adjusting hook (300) to form a closed circular ring; magnetic wheels (500) are arranged at the joints of the double-chain frame (100), the sliding adjusting mechanism (200), the adjusting hook (300) and the connecting rod (400); the moving direction of the magnetic wheel (500) is vertical to the axial direction of the pipeline; the double-chain frame (100) is connected with a section bar (600) for installing a probe.

2. The chain scanner of claim 1, wherein the sliding adjustment mechanism (200) comprises a sliding sleeve (210) in an arc shape and a sliding core (220) matched with the sliding sleeve (210); one side of the sliding sleeve (210) is provided with an arc-shaped strip-shaped hole; an adjusting handle (230) is arranged at the strip-shaped hole; the adjusting handle (230) is connected with the sliding core (220) and is used for adjusting the position of the sliding core (220) and locking.

3. The chain scanner of claim 2, wherein the end of the sliding sleeve (210) away from the sliding core (220) is hinged with the double-chain frame (100); one end of the sliding core (220) far away from the sliding sleeve (210) is hinged with the connecting rod (400).

4. The chain scanner of claim 1, wherein the adjusting hook (300) comprises a body (310) hinged to the link (400) and a relatively movable hook (320); the main body (310) is provided with a corresponding screw (311) corresponding to the hook (320); the hook (320) is in threaded connection with the screw (311).

5. Chain scanner according to claim 1, wherein the double-chain rack (100) is provided with corresponding mounting through holes corresponding to the profiles (600); the section bar (600) penetrates through the mounting through hole to be vertically connected with the double-chain frame (100); probe clamping mechanisms are respectively arranged on two sides of the double-chain frame (100); the probe clamping mechanism is mounted on the profile (600).

6. Chain scanner according to claim 5, wherein the probe gripping means comprise a connection socket (610) connected to the profile (600); a sliding table parallel to the section bar (600) is arranged on one side, away from the section bar (600), of the connecting seat (610); the sliding table is provided with a corresponding connecting arm (620) in a sliding way; the connecting arm (620) is vertically connected with a probe bracket (630); the probe bracket (630) is T-shaped, and two sides of the probe bracket are respectively connected with a support arm (631) used for clamping the probe in a sliding way.

7. Chain scanner according to claim 5, characterized in that the profiles (600) are provided with magnetic wheels (500) at both ends, respectively; the section bar (600) is also provided with an encoder; the encoders are connected to the corresponding magnetic wheels (500).

8. The chain scanner of claim 1, wherein the two ends of the connecting rod (400) are respectively provided with a first connector (410) and a second connector (420); the first connector (410) and the second connector (420) are both U-shaped, and two side walls are correspondingly provided with corresponding hinge holes; the distance between the inner walls of the two side walls of the first connector (410) is the same as the distance between the outer walls of the two side walls of the second connector (420); the sliding adjusting mechanism (200) and the adjusting hook (300) are provided with corresponding first connector (410)/second connector (420) corresponding to the connecting rod (400).

9. The chain scanner of claim 8, wherein the first connector (410) and the second connector (420) are hinged by a spring plunger (430); the spring plunger (430) comprises a main shaft (431); a spring is sleeved on the main shaft (431), and shaft shoulders (432) are arranged at two ends of the spring; one end of the main shaft (431) is provided with a handle (433); the shaft shoulder (432) close to one end of the handle (433) is waist-shaped; an outer sleeve (434) capable of sliding relatively is further arranged at the spring; one end of the outer sleeve (434), which is close to the handle (433), is provided with a compression plate; the compression plate is annular corresponding to the main shaft (431) and is used for compressing the spring.

10. The chain scanner of claim 9, wherein the spring plunger (430) is mounted on the first connector (410) at the hinge hole; corresponding baffles are arranged in the hinge holes corresponding to the shaft shoulders (432); the baffle is provided with a limit hole in a waist shape; the outer sleeve (434) is fixedly connected with the hinge hole.