CN218845450U

CN218845450U - Nondestructive internal detection mechanism for pipeline girth weld

Info

Publication number: CN218845450U
Application number: CN202320082580.8U
Authority: CN
Inventors: 付晓军; 任微微; 牛立国
Original assignee: Heilongjiang Si'an Technology Co ltd
Current assignee: Heilongjiang Si'an Technology Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-04-11
Anticipated expiration: 2033-01-28

Abstract

The utility model relates to a pipeline girth weld is not harmless interior detection mechanism, which comprises a controller, both ends all are equipped with the removal subassembly about the controller, the upper and lower both ends of controller all are equipped with flexible subassembly, two one side that flexible subassembly carried on the back mutually all is fixed with the connecting plate, two one side that the connecting plate carried on the back mutually all is fixed with detects the head, remove the subassembly include with the controller about the fixed first motor of two walls, the output of first motor is fixed with the screw rod, the surface threaded connection of screw rod has the movable plate, the upper and lower both ends of movable plate are all articulated to be connected with the pull rod. This pipeline girth weld is harmless internal detection mechanism through being provided with the removal subassembly, can detect the pipeline of different internal diameters to improve the suitability of device, and through being provided with flexible subassembly, can make and detect head and weld joint and contact, make and detect the head and can accurately detect weld joint, thereby improve detection effect.

Description

Nondestructive internal detection mechanism for pipeline girth weld

Technical Field

The utility model relates to a pipeline welding detects technical field, specifically is a pipeline girth weld nondestructive internal test mechanism.

Background

The pipeline engineering is a construction technology which is very widely applied, plays an important role in construction projects, has various types of pipelines which are mainly used for conveying gas and fluid media, and is mainly formed by welding steel pipes at present.

Chinese patent (publication No. CN 209400475U) discloses a pipeline inner wall circumferential weld detection device, which is characterized in that a detection probe is set as a curved detection coil and is vertically placed during detection, and the curved edge of the coil is over against and parallel to the inner wall of a pipeline, so that the detection area can be effectively increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pipeline girth weld is harmless interior detection mechanism possesses and is convenient for detect advantages such as wall girth weld department in the pipeline of different internal diameters, has solved the inconvenient problem that detects wall girth weld department in the pipeline of different internal diameters.

In order to achieve the above purpose, the utility model provides a following technical scheme: a nondestructive internal detection mechanism for a pipeline girth weld comprises a controller, wherein moving assemblies are arranged at the left end and the right end of the controller, telescopic assemblies are arranged at the upper end and the lower end of the controller, connecting plates are fixed on the opposite sides of the two telescopic assemblies, and detection heads are fixed on the opposite sides of the two connecting plates;

the movable assembly comprises a first motor fixed to the left wall and the right wall of the controller, a screw is fixed to the output end of the first motor, a movable plate is connected to the outer surface of the screw in a threaded mode, pull rods are hinged to the upper end and the lower end of the movable plate, supporting rods are hinged to the ends, opposite to each other, of the upper pull rod and the lower pull rod, and pulleys are hinged to one side, opposite to each other, of the supporting rods.

Furthermore, two screw rods are fixed with a baffle on one side opposite to each other, and the left and right two sets of support rod one side opposite to each other are connected with the left and right two walls of controller in a hinged manner.

Furthermore, threaded holes are formed in one side, opposite to the two moving plates, of the two moving plates, and the screw penetrates through the outer portion of each threaded hole and is in threaded connection with the threaded hole.

Furthermore, the telescopic assembly comprises a connecting bin fixed at the upper end and the lower end of the controller, a second motor is fixed on the left wall of the inner cavity of the connecting bin, a rotating rod is fixed at the output end of the second motor, the left wall and the right wall of the inner cavity of the connecting bin are both rotatably connected with screw rods through bearings, transmission assemblies are arranged on the two screw rods and the outer surface of the rotating rod, moving blocks are connected to the outer surface of the screw rods in a threaded manner, and hinge rods are hinged to one side, back to back, of the upper moving block and the lower moving block.

Furthermore, the opposite sides of the two moving blocks in the same group are provided with moving holes, and the lead screw penetrates through the outer part of the moving holes and is in threaded connection with the lead screw.

Furthermore, two sliding holes are formed in the ends, back to back, of the two connecting bins, and the moving block penetrates through the sliding holes to the outside of the connecting bins and is connected with the connecting bins in a sliding mode.

Furthermore, one side of the upper and lower two sets of hinged rods which are back to each other is hinged with one side of the two connecting plates which are opposite through a hinged frame.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this pipeline girth weld is harmless interior detection mechanism through being provided with the removal subassembly, can detect the pipeline of different internal diameters to improve the suitability of device, and through being provided with flexible subassembly, can make detection head and weld joint contact, make the detection head can be accurate detect the weld joint, thereby improve detection effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the moving assembly of the present invention;

fig. 3 is a schematic top view of the telescopic assembly of the present invention.

In the figure: the detection device comprises a controller 1, a moving assembly 2, a first motor 201, a screw 202, a moving plate 203, a pull rod 204, a support rod 205, a pulley 206, a telescopic assembly 3, a connecting cabin 301, a second motor 302, a rotating rod 303, a lead screw 304, a transmission assembly 305, a moving block 306, a hinged rod 307, a connecting plate 4 and a detection head 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the nondestructive internal inspection mechanism for a circular weld of a pipeline in this embodiment includes a controller 1, moving assemblies 2 are disposed at left and right ends of the controller 1, telescopic assemblies 3 are disposed at upper and lower ends of the controller 1, connecting plates 4 are fixed to two sides of the telescopic assemblies 3 opposite to each other, and inspection heads 5 are fixed to two sides of the connecting plates 4 opposite to each other.

It should be noted that the controller 1 and the detection head 5 are commonly known in the prior art, and the control mode of the present invention is controlled by the controller 1, and the control circuit can be implemented by simple programming by those skilled in the art, so the working principle, control mode and circuit connection thereof are not described in detail in this text.

Referring to fig. 1-2, the moving assembly 2 in this embodiment includes a first motor 201 fixed to the left and right walls of the controller 1, a screw 202 is fixed to an output end of the first motor 201, a moving plate 203 is connected to an outer surface of the screw 202 through a thread, pull rods 204 are hinged to upper and lower ends of the moving plate 203, support rods 205 are hinged to opposite ends of the upper and lower sets of pull rods 204, a baffle is fixed to opposite sides of the two screws 202 to prevent the moving plate 203 from falling off the screw 202, opposite sides of the left and right sets of support rods 205 are hinged to the left and right walls of the controller 1, the two sets of support rods 205 are hinged to both sides of the controller 1 to expand or contract, and opposite sides of the left and right sets of support rods 205 are hinged to pulleys 206.

Threaded holes are formed in the opposite sides of the two moving plates 203, and the screw 202 penetrates through the threaded holes and is in threaded connection with the threaded holes, so that the screw 202 drives the moving plates 203 to move through the threaded holes.

In the moving assembly 2 of this embodiment, the pull rod 204 pushes the upper and lower sets of support rods 205 to move oppositely or back to back, so that the support rods 205 drive the pulleys 206 to contract or expand, thereby detecting catheters with different inner diameters.

Referring to fig. 1 and 3, the telescopic assembly 3 in this embodiment includes a connection bin 301 fixed to upper and lower ends of the controller 1, a second motor 302 is fixed to a left wall of an inner cavity of the connection bin 301, a rotation rod 303 is fixed to an output end of the second motor 302, the other end of the rotation rod 303 is rotatably connected to a right wall of the inner cavity of the connection bin 301 through a bearing, a lead screw 304 is rotatably connected to each of left and right walls of the inner cavity of the connection bin 301 through a bearing, a transmission assembly 305 is disposed on outer surfaces of the two lead screws 304 and the rotation rod 303, so that the rotation rod 303 drives the two lead screws 304 to rotate through the transmission assembly 305, and the thread turning directions of outer surfaces of the front and rear two sets of lead screws 304 are opposite, the outer surface of the lead screw 304 is in threaded connection with a moving block 306, a moving hole is formed in one side of the same set of the two moving blocks 306, the lead screw 304 penetrates through the moving hole and drives the moving block 306 to move, one side of the upper and the lower set of the moving blocks 306 opposite to be hinged with a hinge rod 307, one side of the opposite to be connected to the two sets of hinge connecting plates 4 through a hinge frame, so that the connecting plate 4 is hinged to move the detection head 5.

It should be noted that the transmission assembly 305 is generally known in the art and the working principle thereof is not described here in detail.

Wherein, two sliding holes have all been seted up to two one ends of connecting storehouse 301 mutually back on the other hand, and the movable block 306 runs through the sliding hole to the outside of connecting storehouse 301 and rather than sliding connection, makes in the movable block 306 wears out to connect storehouse 301 through the sliding hole to drive articulated mast 307 and remove, thereby make articulated mast 307 promote to detect first 5 and remove, thereby can improve the testing result of detecting first 5 to the weld joint.

The flexible subassembly 3 in this embodiment promotes to detect head 5 through two sets of hinge bar 307 and removes to drive and detect head 5 and stretch out and draw back, can make and detect head 5 and can clearly detect the weld joint, so that improve detection effect.

The working principle of the above embodiment is as follows:

when the device is used, the device is placed in a pipeline to be detected, the controller 1 controls the first motor 201 to work, the output end of the first motor 201 drives the screw 202 to rotate, so that the two screw 202 drives the two moving plates 203 to move, the two moving plates 203 move oppositely or back to back, so that the moving plates 203 pull or push the upper and lower two sets of support rods 205 to move through the two pull rods 204, so that the support rods 205 drive the pulleys 206 to move, so that the moving plates can contract or expand according to the inner diameter of the pipeline, so that the moving plates can move in pipelines with different inner diameters, when the device moves to a welding seam, the second motor 302 drives the rotating rods 303 to rotate, so that the rotating rods 303 drive the two screw rods 304 to rotate through the transmission assembly 305, the outer surface threads of the front and back screw rods 304 are turned oppositely, so as to drive the two moving blocks 306 to move relatively, so that the moving blocks 306 push the connecting plate 4 to move through the hinge rods 307, so that the connecting plate 4 drives the detection head 5 to detect the welding seam, so that the detection head 5 can be attached to the welding seam, so that the detection effect on the welding seam can be improved, after the detection, the direction of the device can be adjusted, and the steps can be repeated.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline girth weld nondestructive internal test mechanism, includes controller (1), its characterized in that: the left end and the right end of the controller (1) are respectively provided with a moving assembly (2), the upper end and the lower end of the controller (1) are respectively provided with a telescopic assembly (3), one side of each of the two telescopic assemblies (3) opposite to each other is fixedly provided with a connecting plate (4), and one side of each of the two connecting plates (4) opposite to each other is fixedly provided with a detection head (5);

remove subassembly (2) include with controller (1) about two fixed motor (201) of wall, the output of first motor (201) is fixed with screw rod (202), the surface threaded connection of screw rod (202) has movable plate (203), the upper and lower both ends of movable plate (203) are all articulated to be connected with pull rod (204), and upper and lower two sets of pull rod (204) one end of carrying on the back mutually all articulate to be connected with bracing piece (205), control two sets of the one side of carrying on the back mutually of bracing piece (205) is all articulated to be connected with pulley (206).

2. The nondestructive internal testing mechanism for the girth weld of the pipeline of claim 1, wherein: two screw rod (202) one side that backs on the back all is fixed with the baffle, controls two sets of one side that backs on the back of bracing piece (205) is connected with controller (1) about two articulated walls mutually.

3. The nondestructive internal testing mechanism for the girth weld of the pipeline of claim 1, wherein: threaded holes are formed in the opposite sides of the two moving plates (203), and the screw (202) penetrates through the outer portions of the threaded holes and is in threaded connection with the threaded holes.

4. The nondestructive internal testing mechanism for the girth weld of the pipeline of claim 1, which is characterized in that: flexible subassembly (3) include with controller (1) upper and lower both ends fixed connect storehouse (301), the left wall of connecting storehouse (301) inner chamber is fixed with second motor (302), the output of second motor (302) is fixed with bull stick (303), two walls all are connected with lead screw (304) through the bearing rotation about connecting storehouse (301) inner chamber, two lead screw (304) are equipped with drive assembly (305) with the surface of bull stick (303), the surface threaded connection of lead screw (304) has movable block (306), and upper and lower two sets of movable block (306) one side of the back of the body all articulates and is connected with hinge bar (307).

5. The nondestructive internal testing mechanism for the girth weld of the pipeline of claim 4, wherein: the opposite sides of the two moving blocks (306) in the same group are provided with moving holes, and the lead screw (304) penetrates through the outer part of the moving holes and is in threaded connection with the moving holes.

6. The nondestructive internal testing mechanism for the girth weld of the pipeline of claim 4, wherein: two sliding holes are formed in the opposite ends of the two connecting bins (301), and the moving block (306) penetrates through the sliding holes to the outside of the connecting bins (301) and is in sliding connection with the connecting bins.

7. The nondestructive internal testing mechanism for the girth weld of a pipeline of claim 4, wherein: one side of the upper and lower groups of hinge rods (307) opposite to each other is hinged with one side of the two connecting plates (4) through a hinge frame.