CN116067260A - A device for checking the inner diameter of pipes - Google Patents

Abstract

The invention discloses a device for checking the inner diameter of a pipeline, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a device box, the bottom of an inner cavity of the device box is fixedly connected with a detection table, the top of the detection table is provided with a placing groove, and the inside of the detection table is provided with a driving groove. This a device for checking pipeline internal diameter has the detection platform through the internally mounted at the device case to the standing groove has been seted up at the top of detecting the platform, and the mounting frame is installed to the inboard of standing groove, and second electric telescopic handle and first electric telescopic handle, when the cooperation of these two structures can press down different pipelines, can carry out dual centre gripping in the inside and outside of pipeline, has guaranteed the stability when detecting, and the first motor of bottom can drive the pipeline and rotate under the effect of ball simultaneously, conveniently carries out more comprehensive observation, has improved the practicality of equipment.

Description

A device for checking the inner diameter of pipes

technical field

The invention relates to the technical field of clothing fabrics, in particular to a device for checking the inner diameter of a pipeline.

Background technique

A pipeline is a device connected by pipes, pipe connectors, and valves to transport gas, liquid, or fluid with solid particles. However, when current manufacturers produce pipelines, they need to sample each batch of pipelines Inspection, to prevent cracks in the inner diameter of the water pipe or quality problems due to material reasons, and the existing detection of pipelines is mostly through the naked eye and experience of the staff. There is no certain standard for this detection method, resulting in uneven quality of the pipeline uneven.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a device for inspecting the inner diameter of the pipeline, which solves the problem that there is no convenient equipment for the current pipeline production sampling inspection, resulting in uneven product quality.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a device for inspecting the inner diameter of a pipeline, including a bottom plate, a device box is fixedly connected to the top of the bottom plate, and a detection box is fixedly connected to the bottom of the inner cavity of the device box. platform, the top of the detection platform is provided with a placement groove, and the inside of the detection platform is provided with a driving groove, and the bottom of the inner cavity of the driving groove is fixedly connected with a first motor through a fixing plate, and the output shaft of the first motor A rotating rod is fixedly connected through a coupling, and the top end of the rotating rod passes through the driving groove and extends to the inside of the placement groove. There are pressing grooves on both sides of the pressing groove, and the top of the inner chamber of the pressing groove is slidably connected with a pressing block through an opening. The bottom is fixedly connected with a button through the connecting plate.

Preferably, the bottom of the inner cavity of the installation frame is fixedly connected with a linkage seat, and both sides inside the linkage seat are provided with first telescopic slots, and the sides close to the two first telescopic slots are fixedly connected with a second telescopic slot. An electric telescopic rod, the opposite ends of the two first electric telescopic rods pass through the first telescopic slot and extend to the outside of the linkage seat, and the ends of the first electric telescopic rods extending to the outside of the linkage seat are fixedly connected to limit the position plate, the upper part of both sides of the inner cavity of the storage slot is provided with a second telescopic slot, one side of the inner cavity of the second telescopic slot is fixedly connected with a second electric telescopic rod, and the two second electric telescopic rods are opposite to each other. One end of each is connected with rolling balls through the fixed block rolling.

Preferably, the top of the device box is slidably connected with a square threaded cylinder through an opening, the top of the device box is fixedly connected with a drive box through a bracket, and the top of the inner cavity of the drive box is fixedly connected with a second motor through a fixing plate , the output shaft of the second motor is fixedly connected with a threaded rod used in conjunction with the square threaded barrel through a coupling, the bottom end of the threaded rod passes through the drive box and extends to the inside of the square threaded barrel, and the threaded rod is connected to the square threaded barrel The square threaded barrel is threaded.

Preferably, both sides of the inner cavity of the device box are fixedly connected with hydraulic rods, the top of the hydraulic rod is fixedly connected with a connecting plate, and an explosion-proof cylinder is fixedly connected between the two connecting plates, and the explosion-proof cylinder There is a port on the top, and the bottom end of the square thread cylinder extends to the inside of the explosion-proof cylinder through the port. A sealing cover matched with the port is slidably connected on the surface and below the back-stopping plate, and a high-pressure spring is sleeved on the surface of the square threaded cylinder and between the back-stopping plate and the sealing cover.

Preferably, an anti-slip ring is fixedly connected to the surface of the square threaded cylinder and below the sealing cover, the bottom of the anti-slip ring is fixedly connected to an air bag, and the bottom of the air bag is fixedly connected to a measurement frame through a fixed block, and the measurement Both sides of the frame are fixedly connected with thrust springs through openings.

Preferably, the opposite ends of the two thrust springs are fixedly connected with a measuring rod, the bottom of the measuring frame is fixedly connected with a spotlight, and the upper part of the left side of the device box is fixedly connected with a fan through a fixing plate.

Preferably, the air outlet of the fan is fixedly connected with an air guide pipe, one end of the air guide pipe passes through the device box and extends to the inside of the device box, and the bottom of the air delivery pipe is fixedly connected with the air delivery pipe inside the device box, The bottom end of the air delivery tube passes through the air guide tube and the sealing cover in sequence and communicates with the top of the air bag.

Preferably, the surface of the explosion-proof cylinder is fixedly installed with tempered glass strips through openings.

Beneficial effect

The present invention provides a device for inspecting the inner diameter of a pipeline. Compared with the existing technology, it has the following beneficial effects:

(1) The device for inspecting the inner diameter of the pipeline is installed with a detection platform inside the device box, and a placement groove is opened on the top of the detection platform, and an installation frame is installed inside the placement groove, and the second electric telescopic Rod and the first electric telescopic rod, the cooperation of these two structures can perform double clamping on the inside and outside of the pipe when pressing different pipes, ensuring the stability during detection, and the first motor at the bottom can drive the pipe It rotates under the action of the ball, which is convenient for more comprehensive observation and improves the practicability of the equipment.

(2) The device used to check the inner diameter of the pipeline is connected with an explosion-proof cylinder by using a hydraulic rod inside the device box. When the explosion-proof cylinder covers the pipeline, the measuring frame and the spotlight can be inserted into the pipeline, and the two measuring rods It can measure the length, and when the spotlight is turned on, the staff can observe whether there are cracks on the surface of the pipe through the external tempered glass strip, which is convenient for the staff to use, and also greatly improves the quality of the product.

(3) The device for checking the inner diameter of the pipeline is equipped with an air bag on the surface of the square threaded cylinder, and is connected with an external fan by using an air guide tube and an air delivery pipe. When the fan starts, the air bag can be inflated, thereby enabling Apply pressure to the inner wall of the pipeline to facilitate the detection of the pressure bearing capacity of the pipeline material, which can indirectly reduce the production loss for the manufacturer and improve the overall functionality of the equipment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the sectional view of device box and drive box structure of the present invention;

Fig. 3 is the partial enlarged view of place A in Fig. 2 of the present invention;

Fig. 4 is the partial enlarged view of place B in Fig. 2 of the present invention;

Fig. 5 is the partial enlarged view of place C in Fig. 2 of the present invention;

Fig. 6 is a partial enlarged view at D in Fig. 2 of the present invention;

Fig. 7 is a partial enlarged view of the E place in Fig. 2 of the present invention;

Fig. 8 is a schematic diagram of the structure of the explosion-proof cylinder and the tempered glass strip of the present invention.

In the figure: 1. base plate; 2. device box; 3. detection platform; 4. placement slot; 5. drive slot; 6. first motor; 7. rotating rod; 8. installation frame; 9. pressing slot; 10. Press block; 11, spring; 12, button; 13, linkage seat; 14, first telescopic groove; 15, first electric telescopic rod; 16, limit plate; 17, second telescopic groove; 18, second electric telescopic Rod; 19, ball; 20, square threaded cylinder; 21, drive box; 22, threaded rod; 23, hydraulic rod; 24, connecting plate; 25, explosion-proof cylinder; 26, port; Sealing cover; 29, high pressure spring; 30, anti-slip ring; 31, air bag; 32, measuring frame; 33, measuring rod; 34, thrust spring; 35, spotlight; 36, fan; 37, air duct; 38, air pipe; 39. Second motor; 40. Tempered glass strip.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-8, the present invention provides a technical solution: a device for inspecting the inner diameter of a pipeline, including a bottom plate 1, a device box 2 is fixedly connected to the top of the bottom plate 1, and a device box 2 is fixedly connected to the bottom of the inner cavity of the device box 2. The detection table 3, the top of the detection table 3 is provided with a placement slot 4, the inside of the detection table 3 is provided with a driving slot 5, and the bottom of the inner cavity of the driving slot 5 is fixedly connected with a first motor 6 through a fixing plate, and the first motor 6 is a servo motor. Motor, the output shaft of the first motor 6 is fixedly connected with a rotating rod 7 through a coupling, the top of the rotating rod 7 runs through the driving groove 5 and extends to the inside of the placement groove 4, and the end of the rotating rod 7 extending to the inside of the placement groove 4 is fixed A mounting frame 8 is connected, and pressing grooves 9 are provided on both sides of the interior of the mounting frame 8. The top of the inner cavity of the pressing groove 9 is slidably connected with a pressing block 10 through an opening. The surface of the pressing block 10 is located outside the pressing groove 9. A spring 11 is sleeved, and the bottom of the cavity of the pressing groove 9 is fixedly connected with a button 12 through a connecting plate.

As an optional embodiment, in order to double-clamp the pipeline inside and outside, in the present invention, the bottom of the inner cavity of the installation frame 8 is fixedly connected with a linkage seat 13, and both sides of the linkage seat 13 are provided with first telescopic grooves 14 The adjacent sides of the two first telescopic slots 14 are fixedly connected with the first electric telescopic rods 15, and the opposite ends of the two first electric telescopic rods 15 pass through the first telescopic slots 14 and extend to the outside of the linkage seat 13 One end of the first electric telescopic rod 15 extending to the outside of the linkage seat 13 is fixedly connected to the limit plate 16, and the upper part of both sides of the inner chamber of the placement groove 4 is provided with a second telescopic groove 17, and one side of the second telescopic groove 17 inner chamber The second electric telescopic rods 18 are fixedly connected, and the opposite ends of the two second electric telescopic rods 18 are rollingly connected with balls 19 through the fixed blocks.

Further, in order to make the square thread cylinder 20 lift, the top of the device box 2 is slidably connected with the square thread cylinder 20 by offering an opening, and the top of the device box 2 is fixedly connected with the drive box 21 by a bracket, and the top of the drive box 21 inner cavity Be fixedly connected with the second motor 39 by the fixed plate, the second motor 39 is a servo motor, the output shaft of the second motor 39 is fixedly connected with the threaded rod 22 used in conjunction with the square threaded cylinder 20 through the coupling, the threaded rod 22 The bottom end passes through the drive box 21 and extends to the inner side of the square threaded barrel 20 , and the threaded rod 22 is threadedly connected with the square threaded barrel 20 .

Wherein, in order to use the sealing cover 28 to be able to tighten more tightly when sealing the pipeline, in the present invention, both sides of the inner cavity of the device box 2 are fixedly connected with a hydraulic rod 23, and the top of the hydraulic rod 23 is fixedly connected with a connecting plate 24, and the two sides An explosion-proof cylinder 25 is fixedly connected between the two connecting plates 24, and the top of the explosion-proof cylinder 25 is provided with a port 26, and the bottom end of the square threaded cylinder 20 extends to the inside of the explosion-proof cylinder 25 through the port 26, and the surface of the square threaded cylinder 20 and The inner side of the explosion-proof cylinder 25 is fixedly connected with a resistance plate 27, and the surface of the square thread cylinder 20 is slidably connected with a sealing cover 28 used in conjunction with the port 26 under the surface of the square thread cylinder 20. The surface of the square thread cylinder 20 and A high-pressure spring 29 is sleeved between the anti-reverse plate 27 and the sealing cover 28 .

Wherein, in order to carry out the pressure test to the inside of the pipeline, in the present invention, the surface of the square threaded cylinder 20 and the bottom of the sealing cover 28 are fixedly connected with an anti-slip ring 30, and the bottom of the anti-slip ring 30 is fixedly connected with an air bag 31. The bottom is fixedly connected with a measuring frame 32 through a fixed block, and the two sides of the measuring frame 32 are fixedly connected with a thrust spring 34 through openings.

Wherein, in order to pressurize the air bag 31, in the present invention, the opposite ends of the two thrust springs 34 are fixedly connected with the measuring rod 33, the bottom of the measuring frame 32 is fixedly connected with the spotlight 35, and the upper part of the left side of the device box 2 A fan 36 is fixedly connected with the fixing plate.

Wherein, the air outlet of the fan 36 is fixedly connected with an air duct 37, one end of the air duct 37 runs through the device box 2 and extends to the inside of the device box 2, and the bottom of the air delivery pipe 38 is fixedly connected with an air delivery tube 38 inside the device box 2 , the bottom end of the air delivery tube 38 passes through the air guide tube 37 and the sealing cover 28 in turn and communicates with the top of the air bag 31 .

Wherein, in order to facilitate the staff to observe, in the present invention, the surface of the explosion-proof cylinder 25 is fixedly installed with a toughened glass strip 40 through an opening.

At the same time, the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

When in use, the sliding door on the surface of the device box 2 is opened, and then the pipe is placed inside the placement groove 4. When the bottom end of the pipe is pressed against the top of the pressing block 10, the pressing block 10 will descend and then trigger the button 12, At this time, the first electric telescopic rod 15 and the second electric telescopic rod 18 respectively push the ball 19 and the limit plate 16 to clamp the outside and the inside of the pipeline in both directions, and then the second motor 39 starts to drive the threaded rod 22 to rotate to make the square The threaded cylinder 20 pushes the measuring frame 32 into the pipe, and the measuring rods 33 on both sides of the measuring frame 32 will automatically retract and adjust when they meet the pipe. The staff can know the length of the inner diameter through the scale on the surface of the measuring rod 33, and then the staff starts The hydraulic rod 23 drives the explosion-proof cylinder 25 to descend to cover the pipeline, and then the second motor 39 continues to start to make the square thread cylinder 20 continue to descend. At this time, the sealing cover 28 will cover the top of the pipeline through the port 26. When descending, the sealing cover 28 is firmly pressed on the top of the pipe by the action of the high-pressure spring 29. At this time, the air bag 31, the measuring frame 32 and the spotlight 35 are all located inside the pipe. At this time, the spotlight 35 is turned on, and the strong light of the spotlight 35 will be on the pipe. The interior is irradiated, and at this time the first motor 6 is started, and the rotation of the pipe is driven by the rotating rod 7. The staff can observe whether there is a light-transmitting point on the surface of the pipe through the tempered glass strip 40 on the outside, so as to find whether there is any damage point on the inner diameter. And after the crack detection is completed, the fan 36 can be started to inject gas into the inside of the air bag 31 through the action of the air guide pipe 37 and the air delivery pipe 38, and the air bag 31 bulges to squeeze the inner wall of the pipeline to test its pressure bearing performance.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. A device for checking the inner diameter of a pipeline, comprising a base plate (1), characterized in that: the top of the base plate (1) is fixedly connected with a device box (2), and the bottom of the device box (2) inner cavity A detection platform (3) is fixedly connected, and the top of the detection platform (3) is provided with a placement groove (4), and the inside of the detection platform (3) is provided with a driving groove (5), and the driving groove (5) The bottom of the inner cavity is fixedly connected with a first motor (6) through a fixed plate, and the output shaft of the first motor (6) is fixedly connected with a rotating rod (7) through a coupling, and the top of the rotating rod (7) Through the driving groove (5) and extend to the inside of the placement groove (4), the end of the rotating rod (7) extending to the inside of the placement groove (4) is fixedly connected with a mounting frame (8), and the mounting frame (8) There are pressing grooves (9) on both sides of the inner bottom, and the top of the inner cavity of the pressing groove (9) is slidably connected with a pressing block (10) through an opening. The surface of the pressing block (10) is located in the pressing groove. The outside of (9) is sleeved with a spring (11), and the bottom of the inner cavity of the pressing groove (9) is fixedly connected with a button (12) through a connecting plate. 2. A device for inspecting the inner diameter of a pipeline according to claim 1, characterized in that: the bottom of the inner cavity of the installation frame (8) is fixedly connected with a linkage seat (13), and the linkage seat (13) First telescopic slots (14) are opened on both sides of the interior, and the first electric telescopic rods (15) are fixedly connected to the adjacent sides of the two first telescopic slots (14). The opposite ends of the telescopic rods (15) pass through the first telescopic slot (14) and extend to the outside of the linkage seat (13), and the first electric telescopic rod (15) extends to the outside of the linkage seat (13) and is fixed Connected to the limiting plate (16), the upper part of the inner chamber of the placement groove (4) is provided with a second telescopic groove (17), and one side of the inner chamber of the second telescopic groove (17) is fixedly connected with the first Two electric telescopic rods (18), opposite ends of the two second electric telescopic rods (18) are all rollingly connected with balls (19) through a fixed block. 3. A device for inspecting the inner diameter of a pipeline according to claim 1, characterized in that: the top of the device box (2) is slidably connected with a square threaded cylinder (20) through an opening, and the device box ( 2) the top is fixedly connected with a drive box (21) by a bracket, and the top of the drive box (21) inner chamber is fixedly connected with a second motor (39) through a fixing plate, and the output shaft of the second motor (39) A threaded rod (22) used in conjunction with the square threaded barrel (20) is fixedly connected through a coupling, and the bottom end of the threaded rod (22) passes through the drive box (21) and extends to the bottom of the square threaded barrel (20). Inside, and the threaded rod (22) is threadedly connected with the square threaded barrel (20). 4. A device for checking the inner diameter of a pipeline according to claim 3, characterized in that: both sides of the inner cavity of the device box (2) are fixedly connected with hydraulic rods (23), and the hydraulic rods ( The top of 23) is fixedly connected with a connecting plate (24), and an explosion-proof cylinder (25) is fixedly connected between the two connecting plates (24), and a port (26) is provided on the top of the explosion-proof cylinder (25), The bottom end of the square threaded barrel (20) extends to the inside of the explosion-proof barrel (25) through the port (26), and the surface of the square threaded barrel (20) is fixedly connected to the inside of the explosion-proof barrel (25). Back plate (27), the surface of the square threaded cylinder (20) and a sealing cover (28) that is used in conjunction with the port (26) is slidably connected to the bottom of the square threaded cylinder (20), and the square threaded cylinder A high-pressure spring (29) is sleeved on the surface of (20) and between the resistance plate (27) and the sealing cover (28). 5. A device for inspecting the inner diameter of a pipeline according to claim 4, characterized in that: an anti-slip ring (30) is fixedly connected to the surface of the square threaded cylinder (20) and under the sealing cover (28) , the bottom of the anti-slip ring (30) is fixedly connected with an airbag (31), the bottom of the airbag (31) is fixedly connected with a measurement frame (32) through a fixed block, and the two sides of the measurement frame (32) are opened The opening is fixedly connected with a thrust spring (34). 6. A device for checking the inner diameter of a pipeline according to claim 5, characterized in that: the opposite ends of the two thrust springs (34) are fixedly connected with measuring rods (33), and the measuring frame The bottom of (32) is fixedly connected with spotlight (35), and the upper part of described device box (2) left side is fixedly connected with blower fan (36) by fixing plate. 7. A device for checking the inner diameter of a pipeline according to claim 6, characterized in that: the air outlet of the fan (36) is fixedly connected with an air guide tube (37), and one end of the air guide tube (37) Penetrating through the device box (2) and extending to the inside of the device box (2), the bottom of the air delivery pipe (38) is fixedly connected to the inside of the device box (2) with an air delivery pipe (38), and the air delivery pipe (38) ) runs through the airway (37) and the sealing cover (28) in sequence and communicates with the top of the air bag (31). 8. A device for inspecting the inner diameter of a pipeline according to claim 4, characterized in that: the surface of the explosion-proof cylinder (25) is fixed with a toughened glass strip (40) through an opening.

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