CN211401972U

CN211401972U - Combined seamless steel pipe pressure testing device

Info

Publication number: CN211401972U
Application number: CN201922491497.2U
Authority: CN
Inventors: 刘乐
Original assignee: Fushun Pilot Special Steel Co ltd
Current assignee: Fushun Pilot Special Steel Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a modular seamless steel pipe pressure testing device, the on-line screen storage device comprises a base, the mounting groove has been seted up in the base, fixed mounting has the double-shaft motor in the mounting groove, the first threaded spindle of two equal fixedly connected with of output of double-shaft motor, the one end that double-shaft motor was kept away from to first threaded spindle rotates and connects on the mounting groove lateral wall, two on the first threaded spindle respectively threaded connection have first splint and second splint, well cavity has been seted up in the second splint, equidistant a plurality of communicating pipes of fixedly connected with on the second splint. The utility model discloses to wait to detect the steel pipe and pass the perforation and place on placing the board, promote to place the board and make to wait to detect the both ends of steel pipe relative with first splint and second splint, then start the first threaded shaft of double-shaft motor drive and rotate, first sprocket rotates, then the second sprocket rotates, and second threaded shaft rotates in step, first splint and second splint opposite direction movement, and it realizes sealedly to seal up to sealing up to supporting tight mouth of pipe.

Description

Combined seamless steel pipe pressure testing device

Technical Field

The utility model relates to a seamless steel pipe detects technical field, especially relates to a modular seamless steel pipe pressure testing device.

Background

Seamless steel pipes have a hollow cross section and are used in large numbers as pipes for transporting fluids, such as oil, gas, water and certain solid materials. Compared with solid steel such as round steel, the steel pipe has the same bending strength and torsion strength and lighter weight, is a steel with economic section, and the mechanical property of the steel is an important index for ensuring the final service performance (mechanical property) of the steel and depends on the chemical components and the heat treatment system of the steel. In the steel pipe standards, tensile properties (tensile strength, yield point, and elongation) and hardness and toughness indexes, as well as high and low temperature properties required by users, are specified according to different use requirements.

The existing pressure testing device can only test pressure of a single pipeline, a sealing plug is required to be assembled on an interface during pressure testing of the pipeline, the sealing plug is required to be detached after the pressure testing is finished, the process is complicated, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "pressure testing device can only carry out single pipeline pressure testing to need to the sealed jam of interface assembly during the pipeline pressure testing, the pressure testing need lift sealed jam off again after finishing, and the process is more loaded down with trivial details, the defect of inconvenient operation", thereby provides a modular seamless steel pipe pressure testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined seamless steel tube pressure testing device comprises a base, wherein an installation groove is arranged in the base, a double-shaft motor is fixedly arranged in the mounting groove, two output ends of the double-shaft motor are fixedly connected with a first threaded shaft, one end of the first threaded shaft, which is far away from the double-shaft motor, is rotatably connected to the side wall of the mounting groove, a first clamping plate and a second clamping plate are respectively in threaded connection with the two first threaded shafts, a hollow cavity is arranged in the second clamping plate, a plurality of communicating pipes are fixedly connected with the second clamping plate at equal intervals, a second threaded shaft is in threaded connection between the first clamping plate and the second clamping plate, side plates are symmetrically and fixedly connected to the upper part of the base, the two ends of the second threaded shaft are rotatably connected to the side plates, a transmission mechanism is arranged between the second threaded shaft and the first threaded shaft, the base is rotatably connected with a turntable, and the turntable is symmetrically and fixedly connected with placing plates.

Preferably, the transmission mechanism comprises a first chain wheel and a second chain wheel, the first chain wheel is fixedly inserted on the first threaded shaft, the second chain wheel is fixedly inserted on the second threaded shaft, and a transmission chain is meshed and connected between the first chain wheel and the second chain wheel.

Preferably, a plurality of perforations are arranged on the placing plate at equal intervals, and a steel pipe to be detected is placed in each perforation.

Preferably, fixedly connected with hydraulic pressure pipe on the second splint, hydraulic pressure pipe intercommunication goes into the cavity intracavity, hydraulic pressure pipe passes through the hydraulic pump and carries the pressure testing fluid.

Preferably, one side of the first clamping plate and one side of the second clamping plate are fixedly connected with sealing gaskets.

Preferably, rectangular openings are symmetrically formed in the base, and the first clamping plate and the second clamping plate penetrate through the rectangular openings.

Compared with the prior art, the beneficial effects of the utility model are that:

1. to wait to detect the steel pipe and pass the perforation and place on placing the board, the promotion is placed the board and is makeed the both ends of waiting to detect the steel pipe relative with first splint and second splint under the rotation effect of carousel, then start the first screw shaft of biax motor drive and rotate, then first sprocket rotates, it rotates to drive the second sprocket under the effect of driving chain, make second screw shaft synchronous rotation, then first splint and second splint opposite direction movement, it realizes sealedly to sealed the sealed tight mouth of pipe that supports of packing, also only need biax motor reversal after later stage examination is pressed, first splint do not support tightly with the second splint and wait to detect the steel pipe, it can to detect the steel pipe and take off from placing the board to rotate the carousel, and easy operation.

2. Let in the pressure testing fluid in toward the hydraulic pressure pipe through external hydraulic pump, the fluid lets in well cavity then carries to each through communicating pipe and waits to detect in the steel pipe to a plurality of steel pipes that wait carry out the pressure testing simultaneously and detect, the process is simple, convenient to use.

Drawings

Fig. 1 is a schematic front structural view of a combined seamless steel tube pressure testing device provided by the utility model;

fig. 2 is the utility model provides a structural schematic diagram of placing the board among the modular seamless steel pipe pressure testing device.

In the figure: the detection device comprises a base 1, a double-shaft motor 2, a first threaded shaft 3, a first clamping plate 4, a second clamping plate 5, a first chain wheel 6, a transmission chain 7, a second chain wheel 8, a second threaded shaft 9, a hollow cavity 10, a hydraulic pipe 11, a communication pipe 12, a sealing gasket 13, a steel pipe to be detected 14, a rotary table 15, a placing plate 16 and a perforation 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-2, a combined seamless steel tube pressure testing device comprises a base 1, a mounting groove is arranged in the base 1, a double-shaft motor 2 is fixedly arranged in the mounting groove, two output ends of the double-shaft motor 2 are fixedly connected with first threaded shafts 3, one ends of the first threaded shafts 3 far away from the double-shaft motor 2 are rotatably connected to the side wall of the mounting groove, a first clamping plate 4 and a second clamping plate 5 are respectively in threaded connection with the two first threaded shafts 3, a hollow cavity 10 is arranged in the second clamping plate 5, a plurality of communicating pipes 12 are fixedly connected to the second clamping plate 5 at equal intervals, a hydraulic pipe 11 is fixedly connected to the second clamping plate 5, the hydraulic pipe 11 is communicated into the hollow cavity 10, the hydraulic pipe 11 is used for conveying pressure testing fluid (such as clear water) through an external hydraulic pump, the external hydraulic pump is used for introducing the pressure testing fluid into the hydraulic pipe 11, a pressure gauge is arranged on the hydraulic pipe 11, the fluid is introduced, thereby simultaneously carrying out pressure test detection on a plurality of steel pipes 14 to be detected.

One side of the first clamping plate 4 and one side of the second clamping plate 5 are fixedly connected with a sealing gasket 13, the sealing gasket 13 is tightly abutted against the pipe orifice to realize sealing, welding is not needed, the process is simplified, rectangular openings are symmetrically formed in the base 1, the first clamping plate 4 and the second clamping plate 5 are arranged through the rectangular openings, the first clamping plate 4 and the second clamping plate 5 can be tightly attached to the rectangular openings to slide, a second threaded shaft 9 is in threaded connection between the first clamping plate 4 and the second clamping plate 5, the second threaded shaft 9 is a two-way threaded rod, side plates are symmetrically and fixedly connected to the upper portion of the base 1, two ends of the second threaded shaft 9 are rotatably connected to the side plates, a transmission mechanism is arranged between the second threaded shaft 9 and the first threaded shaft 3 and comprises a first chain wheel 6 and a second chain wheel 8, the first chain wheel 6 is fixedly inserted on the first threaded shaft 3, the second chain wheel 8 is fixedly inserted on the second threaded shaft 9, and a transmission chain 7 is engaged between the first chain wheel 6 and the, start-up double-shaft motor 2 and drive first threaded shaft 3 and rotate, then first sprocket 6 rotates, it rotates to drive second sprocket 8 under the effect of driving chain 7, make second threaded shaft 9 and first threaded shaft 3 rotate in step, thereby it is even to let first splint 4 receive the thrust that the both sides received about the second splint 5, it is connected with carousel 15 to rotate on the base 1, symmetry fixedly connected with places board 16 on carousel 15, place on the board 16 equidistant a plurality of perforation 17 of having seted up, all placed in every perforation 17 and wait to detect steel pipe 14, two symmetry settings of placing board 16, the assurance is waited to detect the equilibrium of detecting steel pipe 14.

In the utility model, when the user uses the device, the steel pipe 14 to be detected is placed on the placing plate 16 through the perforation 17, the placing plate 16 is pushed to enable the two ends of the steel pipe 14 to be detected to be opposite to the first clamping plate 4 and the second clamping plate 5 under the rotating action of the rotary disc 15, then the double-shaft motor 2 is started to drive the first threaded shaft 3 to rotate, then the first chain wheel 6 rotates, the second chain wheel 8 is driven to rotate under the action of the transmission chain 7, so that the second threaded shaft 9 synchronously rotates, then the first clamping plate 4 and the second clamping plate 5 move oppositely until the sealing gasket 13 tightly abuts against the pipe orifice to realize sealing, the pressure test fluid is introduced into the hydraulic pipe 11 through the external hydraulic pump, the fluid is introduced into the hollow cavity 10 and then is conveyed into each steel pipe 14 to be detected through the communicating pipe 12, thereby the pressure test detection is simultaneously carried out on a plurality of steel pipes 14 to be detected, the process is simple, the use is convenient, the first clamping plate 4 and the second clamping plate 5 do not abut against the steel pipe 14 to be detected tightly, the rotary table 15 is rotated, and then the steel pipe 14 to be detected is taken down from the placing plate 16, so that the operation is simple.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The combined seamless steel tube pressure testing device comprises a base (1) and is characterized in that a mounting groove is formed in the base (1), a double-shaft motor (2) is fixedly mounted in the mounting groove, two output ends of the double-shaft motor (2) are fixedly connected with first threaded shafts (3), one ends, far away from the double-shaft motor (2), of the first threaded shafts (3) are rotatably connected onto the side wall of the mounting groove, the two first threaded shafts (3) are respectively in threaded connection with a first clamping plate (4) and a second clamping plate (5), hollow cavities (10) are formed in the second clamping plate (5), the second clamping plate (5) is fixedly connected with a plurality of communicating pipes (12) at equal intervals, a second threaded shaft (9) is in threaded connection between the first clamping plate (4) and the second clamping plate (5), and side plates are fixedly connected onto the base (1) symmetrically, the both ends of second threaded shaft (9) are rotated and are connected on the curb plate, be equipped with drive mechanism between second threaded shaft (9) and first threaded shaft (3), it is connected with carousel (15) to rotate on base (1), board (16) are placed to symmetry fixedly connected with on carousel (15).

2. The combined seamless steel tube pressure testing device according to claim 1, wherein the transmission mechanism comprises a first chain wheel (6) and a second chain wheel (8), the first chain wheel (6) is fixedly inserted on the first threaded shaft (3), the second chain wheel (8) is fixedly inserted on the second threaded shaft (9), and a transmission chain (7) is engaged and connected between the first chain wheel (6) and the second chain wheel (8).

3. The combined seamless steel tube pressure testing device according to claim 1, wherein a plurality of through holes (17) are formed in the placing plate (16) at equal intervals, and a steel tube (14) to be tested is placed in each through hole (17).

4. The combined seamless steel tube pressure testing device according to claim 1, wherein a hydraulic tube (11) is fixedly connected to the second clamping plate (5), the hydraulic tube (11) is communicated into the hollow cavity (10), and the hydraulic tube (11) conveys a pressure testing fluid through a hydraulic pump.

5. The combined seamless steel tube pressure testing device according to claim 1, wherein a sealing gasket (13) is fixedly connected to one side of each of the first clamping plate (4) and the second clamping plate (5).

6. The combined seamless steel tube pressure testing device according to claim 1, wherein rectangular openings are symmetrically formed in the base (1), and the first clamping plate (4) and the second clamping plate (5) penetrate through the rectangular openings.