CN214334534U

CN214334534U - Pressure testing machine for detecting pipeline welding seam

Info

Publication number: CN214334534U
Application number: CN202120395700.0U
Authority: CN
Inventors: 吴芝琴; 滕彩林; 明福林; 吴伟峰
Original assignee: Wuxi Huawei Petrochemical General Equipment Co ltd
Current assignee: Wuxi Huawei Petrochemical General Equipment Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-10-01
Anticipated expiration: 2031-02-22

Abstract

The utility model relates to a compression testing machine for detecting pipeline welding seam, it includes the fixed station, the bottom of fixed station is equipped with the landing leg, threaded connection has first screw rod on the fixed station, the vertical setting of first screw rod, the bottom of first screw rod is connected with the pressure disk, it is located the fixed station below to go up the pressure disk, the bottom of going up the pressure disk is connected with first sealing washer, the below of going up the pressure disk is equipped with down the pressure disk, the position of lower pressure disk is corresponding with last pressure disk, be equipped with the second sealing washer on the pressure disk down, the position and the first sealing washer of second sealing washer correspond, the size of second sealing washer is the same with the size of first sealing washer, the water injection hole has been seted up on the pressure disk down, the inside intercommunication of water injection hole and second sealing washer. This application has the effect of the intensity that detects Y type filter pipeline welding seam.

Description

Pressure testing machine for detecting pipeline welding seam

Technical Field

The application relates to the field of compression testing machines, in particular to a compression testing machine for detecting pipeline welding seams.

Background

The Y-type filter is an indispensable filtering device in the pipeline system for conveying the medium, and is usually installed at the inlet end of a valve or other equipment for removing impurities in the medium so as to ensure the normal use of the valve and the equipment. The Y-shaped filter consists of two mutually communicated pipelines, and the cylindrical pipeline is formed by bending and rolling a steel plate by a plate rolling machine and then welding by a welding machine.

The Y-shaped filter is suitable for water, oil, gas and the like, so that the Y-shaped filter has high requirement on the sealing property of the pipeline. Since the pipe of the Y-filter is welded by a rolled plate, the sealing property of the pipe weld determines the sealing property of the pipe, and thus, in order to improve the sealing property of the Y-filter, it is necessary to improve the strength of the pipe weld.

In view of the above-mentioned related art, the inventor believes that in order to test the sealability of the Y-type filter and ensure the quality of the product, the strength of the Y-type filter pipe weld needs to be tested.

SUMMERY OF THE UTILITY MODEL

In order to detect the intensity of Y type filter pipeline welding seam, this application provides a compression testing machine for detecting pipeline welding seam.

The application provides a compression testing machine for detecting pipeline welding seam adopts following technical scheme:

the utility model provides a compression testing machine for detecting pipeline welding seam, includes the fixed station, the bottom of fixed station is equipped with the landing leg, threaded connection has first screw rod on the fixed station, the vertical setting of first screw rod, the bottom of first screw rod is connected with the pressure disk, it is located the fixed station below to go up the pressure disk, the bottom of going up the pressure disk is connected with first sealing washer, the below of going up the pressure disk is equipped with down the pressure disk, the position of pressure disk is corresponding with last pressure disk down, be equipped with the second sealing washer down on the pressure disk, the position and the first sealing washer of second sealing washer correspond, the size of second sealing washer is the same with the size of first sealing washer, the water injection hole has been seted up on the pressure disk down, the inside intercommunication of water injection hole and second sealing washer.

Through adopting above-mentioned technical scheme, when detecting the intensity of pipeline welding seam, establish the pot head of pipeline on the second sealing washer, the second sealing washer is sealed with the pipeline mouth, rotate first screw rod, pressure disk downstream is gone up in first screw rod drive, when first sealing washer is sealed with the other end of pipeline, go up the pressure disk and compress tightly the pipeline with lower pressure disk, stop rotatory first screw rod, through water injection hole to the pipeline in, after the pipeline is filled up with water, appointed pressure is applyed to the pipeline, if the pipeline does not take place to leak, then the intensity of pipeline welding seam is good, the leakproofness of pipeline is good.

Optionally, four support legs are arranged, and the support legs are connected to four corners of the bottom of the fixed platform.

Through adopting above-mentioned technical scheme, the setting up of four landing legs makes the fixed station obtain stable support for fixed station and first screw rod are more stable.

Optionally, the first screw rod is rotatably connected with the upper pressure plate, the two sides of the upper pressure plate are connected with limiting rods, and the limiting rods are located between the two support legs.

Through adopting above-mentioned technical scheme, the setting up of gag lever post makes last pressure disk remove at vertical direction along with first screw rod, and does not rotate along with first screw rod.

Optionally, the bottom of the first screw rod is connected with a rotating block, the rotating block is connected with a rotating disc in a rotating mode, and the rotating disc is connected with the upper pressure plate through a bolt.

Through adopting above-mentioned technical scheme, the setting up of turning block and rolling disc makes first screw rod and last pressure disk rotate to be connected, and the rolling disc passes through the bolt to be connected with last pressure disk, makes things convenient for the installation and the dismantlement of first screw rod and last pressure disk.

Optionally, the two sides of the fixed table are provided with pressing assemblies, each pressing assembly comprises a fixed plate, a second screw and a side pressure plate, the fixed plates are connected with the side walls of the two support legs, the second screws are located between the two support legs, the second screws are in threaded connection with the fixed plates, one ends of the second screws, which are close to the other second screw, are connected with the side pressure plates, and the side pressure plates are located on the two sides of the lower pressure plate.

Through adopting above-mentioned technical scheme, when detecting the intensity of pipeline welding seam, rotate the second screw rod, the side pressure dish removes to the direction of being close to the pipeline along with the second screw rod, when the side pressure dish compresses tightly the both sides of pipeline, the stall second screw rod, the both sides that set up from the pipeline that compress tightly the subassembly compress tightly the pipeline, prevent that the pipeline from taking place the skew in the position of horizontal direction in the testing process, make the pipeline obtain more stable fixed on the one hand, on the other hand makes the detection of pipeline welding seam intensity more accurate.

Optionally, each group of the pressing assemblies comprises two fixing plates, the fixing plates are connected to two sides of the supporting leg, and the second screw is in threaded connection with the two fixing plates.

Through adopting above-mentioned technical scheme, the setting up of two fixed plates makes the second screw rod obtain more stable support on the one hand, and on the other hand makes the second screw rod more stable along horizontal direction's removal, prevents that the position of second screw rod from taking place the skew.

Optionally, one end of the second screw rod, which is away from the side pressure plate, is connected with a second hand wheel.

Through adopting above-mentioned technical scheme, the setting of second hand wheel conveniently rotates the second screw rod.

Optionally, one end of the first screw rod, which is away from the upper pressure plate, is connected with a first hand wheel.

Through adopting above-mentioned technical scheme, the setting of first hand wheel is convenient for the staff to rotate first screw rod.

Optionally, the fixed station below is equipped with the base, landing leg and holding-down plate are all connected on the base, the spread groove has been seted up on the base, spread groove and water injection hole intercommunication, one side of base is equipped with the water injection pipe, the one end of water injection pipe is located the spread groove, the one end of water injection pipe is connected with the lateral wall of spread groove, the inside and the water injection hole intercommunication of water injection pipe, the other end of water injection pipe is connected with the water pump, one side of water pump is equipped with the water tank, the water pump passes through the connecting pipe and is connected with the water tank.

Through adopting above-mentioned technical scheme, the setting of water tank, connecting pipe, water pump and water injection pipe is convenient for through the water injection hole to the pipeline water injection that awaits measuring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the strength of the pipeline welding seam is detected, one end of the pipeline is sleeved on a second sealing ring, the second sealing ring seals the opening of the pipeline, a first screw rod is rotated, the first screw rod drives an upper pressure plate to move downwards, when the first sealing ring seals the other end of the pipeline, the upper pressure plate and a lower pressure plate tightly press the pipeline, the first screw rod is stopped rotating, water is injected into the pipeline through a water injection hole, after the pipeline is filled with water, specified pressure is applied to the pipeline, if the pipeline does not leak, the strength of the pipeline welding seam is good, and the sealing performance of the pipeline is good;

2. when the strength of the pipeline welding seam is detected, the second screw rod is rotated, the side pressing plate moves along with the second screw rod to the direction close to the pipeline, when the side pressing plate presses the two sides of the pipeline tightly, the second screw rod stops rotating, the pressing assembly presses the pipeline tightly from the two sides of the pipeline, the pipeline is prevented from being deviated in the horizontal direction in the detection process, on one hand, the pipeline is fixed more stably, and on the other hand, the detection of the strength of the pipeline welding seam is more accurate;

3. The water tank, the connecting pipe, the water pump and the water injection pipe are arranged, so that water can be injected into the pipeline to be detected through the water injection hole conveniently.

Drawings

FIG. 1 is a schematic structural diagram of a pressure testing machine for detecting a pipe weld according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a rotating block, a first rotating groove, a second rotating groove and a connecting hole in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying a connecting groove according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 101. a fixed table; 102. a support leg; 2. a base; 21. connecting holes; 22. connecting grooves; 3. a first screw; 4. a first hand wheel; 5. rotating the block; 6. rotating the disc; 61. a first rotating groove; 62. a second rotating groove; 7. an upper platen; 71. a limiting rod; 8. a first seal ring; 9. a compression assembly; 91. a fixing plate; 92. a second screw; 93. a second hand wheel; 94. a side platen; 10. a lower platen; 11. a second seal ring; 12. a water injection hole; 13. a water tank; 14. a connecting pipe; 15. a water pump; 16. a water injection pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a compression testing machine for detecting pipeline welding seam. Referring to fig. 1, a compression testing machine for detecting pipeline welding seam includes frame 1 and base 2, and frame 1 includes fixed station 101 and four landing legs 102, and fixed station 101 is located base 2 top, and the vertical setting of landing leg 102, the one end fixed connection of landing leg 102 are in four angles of fixed station 101 bottom, the other end and the base 2 fixed connection of landing leg 102.

Referring to fig. 1 and 2, a first screw 3 is arranged on the fixed table 101, the first screw 3 is vertically arranged, the first screw 3 penetrates through the fixed table 101, and the first screw 3 is in threaded connection with the fixed table 101. The first hand wheel 4 is fixedly connected to one end, located above the fixed table 101, of the first screw 3, the rotating block 5 is fixedly connected to one end, located below the fixed table 101, of the first screw 3, the rotating block 5 is cylindrical, and the radius of the rotating block 5 is larger than that of the first screw 3.

Referring to fig. 1 and 2, the first screw 3 is sleeved with a rotating disc 6, a first rotating groove 61 and a second rotating groove 62 are formed in the rotating disc 6, the first rotating groove 61 is communicated with the second rotating groove 62, and the first rotating groove 61 and the second rotating groove 62 form a through groove in the vertical direction. The rotating block 5 is rotatably connected in the second rotating groove 62, the shape of the second rotating groove 62 is matched with the shape of the rotating block 5, one end of the first screw 3 connected with the rotating block 5 is positioned in the first rotating groove 61, and the radius of the rotating block 5 is larger than that of the section of the first rotating groove 61.

Referring to fig. 1 and 2, an upper pressure plate 7 is provided at the bottom of the rotating disk 6, and the rotating disk 6 is connected to the upper pressure plate 7 by bolts. The bottom of the upper pressure plate 7 is fixedly connected with a first sealing ring 8, and in this embodiment, the first sealing ring 8 is made of rubber. The axial line of the first screw rod 3, the axial line of the rotating block 5, the axial line of the rotating disc 6 and the axial line of the upper pressure plate 7 are collinear with the axial line of the first sealing ring 8.

Referring to fig. 1 and 2, two sides of the upper platen 7 are provided with limit rods 71, the limit rods 71 are horizontally arranged, and the limit rods 71 and the upper platen 7 are integrally formed. The two support legs 102 on the same side of the fixed platform 101 in the length direction are combined into a group, the limiting rod 71 is located between the two support legs 102 in the same group, and the limiting rod 71 is abutted against the two support legs 102 in the same group.

Referring to fig. 1 and 2, two sets of pressing assemblies 9 are arranged on the supporting leg 102, the pressing assemblies 9 are located on two sides of the fixing table 101 in the length direction, and each pressing assembly 9 comprises two fixing plates 91, a second screw 92, a second hand wheel 93 and a side pressure plate 94. Two supporting legs 102 on the same side of the fixing table 101 in the length direction are taken as a group, each fixing plate 91 is connected with the two supporting legs 102 in the same group through bolts, the fixing plates 91 are located on two sides of the supporting legs 102, and the fixing plates 91 are abutted to the top of the base 2. The second screw 92 is horizontally disposed between the two legs 102 in the same group, the second screw 92 penetrates the two fixing plates 91, and the second screw 92 is in threaded connection with the fixing plates 91. One end of the second screw 92, which is far away from the other group of pressing components 9, is fixedly connected with a second hand wheel 93, the other end of the second screw 92 is fixedly connected with a side pressure plate 94, and the axis of the second screw 92 is collinear with the axis of the side pressure plate 94. The axes of the side pressure plates 94 of the two groups of pressing assemblies 9 are collinear, and the straight line where the axes of the side pressure plates 94 are located intersects with the straight line where the axes of the upper pressure plates 7 are located.

Referring to fig. 2 and 3, a lower platen 10 is fixedly connected to the base 2, the shape of the lower platen 10 is the same as that of the upper platen 7, and the position of the lower platen 10 corresponds to that of the upper platen 7. The lower pressure plate 10 is fixedly connected with a second sealing ring 11, the size of the second sealing ring 11 is the same as that of the first sealing ring 8, the position of the second sealing ring 11 corresponds to that of the first sealing ring 8, and in this embodiment, the second sealing ring 11 is made of rubber.

Referring to fig. 2 and 3, a water injection hole 12 is formed in the center of the lower platen 10, and the water injection hole 12 is a through hole in the vertical direction. The base 2 is provided with a connecting hole 21 and a connecting groove 22, the connecting hole 21 is communicated with the water injection hole 12, the connecting groove 22 is communicated with the connecting hole 21, and the connecting hole 21 and the connecting groove 22 form a through hole in the vertical direction. A water tank 13 is arranged on one side of the base 2, a connecting pipe 14 is fixedly connected to one side of the water tank 13, and the inside of the connecting pipe 14 is communicated with the inside of the water tank 13. Connecting pipe 14 deviates from the one end fixedly connected with water pump 15 of water tank 13, fixedly connected with water injection pipe 16 on the water pump 15, the one end that water injection pipe 16 deviates from water pump 15 is located spread

groove

22, 16 fixed connection of water injection pipe are on spread groove 22's lateral wall, 16 inside and the connecting hole 21 intercommunication of water injection pipe, and 16 edges of water injection pipe shelter from connecting hole 21.

The embodiment of the application provides a compression testing machine for detecting pipeline welding seam's implementation principle does: when the strength of the pipeline welding seam of the Y-shaped filter needs to be detected, one end of the pipeline is placed on the lower pressure plate 10, the pipeline is sleeved on the second sealing ring 11, and the bottom of the pipeline is sealed by the second sealing ring 11. Rotate first hand wheel 4, make first screw rod 3 downstream, the setting up of gag lever post 71, rolling disc 6 and turning block 5 makes upper pressure disk 7 rotate with first screw rod 3 and is connected, and pressure disk 7 downstream is gone up in first screw rod 3 drive, compresses tightly the pipeline with lower pressure disk 10 when upper pressure disk 7, and first sealing washer 8 is when sealed with the top of pipeline, the first hand wheel 4 of stall.

Then, the second hand wheel 93 is rotated, the second hand wheel 93 drives the second screw 92 to rotate, so that the side pressure plate 94 moves along with the second screw 92 in a direction of approaching the pipeline, and when the side pressure plate 94 presses the two sides of the pipeline, the second hand wheel 93 stops rotating. Then the water pump 15 is started to pump water out of the water tank 13, the water flow passes through the connecting pipe 14, the water injection pipe 16, the connecting hole 21 and the water injection hole 12 and finally enters the pipeline, and after the pipeline is filled with water, the water pump 15 is closed. And finally, applying specified pressure to the pipeline through the upper pressure plate 7 and water flow, wherein if the pipeline has no water leakage phenomenon, the strength of the welding line of the pipeline is qualified, and the sealing property of the pipeline is qualified.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a compression testing machine for detecting pipeline welding seam which characterized in that: comprises a fixed table (101), wherein supporting legs (102) are arranged at the bottom of the fixed table (101), a first screw (3) is connected to the fixed table (101) in a threaded manner, the first screw (3) is vertically arranged, an upper pressure plate (7) is connected to the bottom of the first screw (3), the upper pressure plate (7) is positioned below the fixed table (101), a first sealing ring (8) is connected to the bottom of the upper pressure plate (7), a lower pressure plate (10) is arranged below the upper pressure plate (7), the lower pressure plate (10) corresponds to the upper pressure plate (7), a second sealing ring (11) is arranged on the lower pressure plate (10), the second sealing ring (11) corresponds to the first sealing ring (8), the second sealing ring (11) is the same as the first sealing ring (8), and a water injection hole (12) is formed in the lower pressure plate (10), the water injection hole (12) is communicated with the inside of the second sealing ring (11).

2. The compression testing machine for detecting pipe welds according to claim 1, characterized in that: the four supporting legs (102) are arranged, and the supporting legs (102) are connected to four corners of the bottom of the fixed platform (101).

3. The compression testing machine for detecting pipe welds according to claim 2, characterized in that: first screw rod (3) rotate with last pressure disk (7) and be connected, the both sides of going up pressure disk (7) are connected with gag lever post (71), gag lever post (71) are located between two landing legs (102).

4. A compression tester for testing pipe welds according to claim 3, characterized in that: the bottom of first screw rod (3) is connected with turning block (5), it is connected with rolling disc (6) to rotate on turning block (5), rolling disc (6) are connected with last pressure disk (7) through the bolt.

5. The compression testing machine for detecting pipe welds according to claim 2, characterized in that: the both sides of fixed station (101) are equipped with compresses tightly subassembly (9), compress tightly subassembly (9) including fixed plate (91), second screw rod (92) and side pressure dish (94), fixed plate (91) are connected with the lateral wall of two landing legs (102), second screw rod (92) are located between two landing legs (102), second screw rod (92) and fixed plate (91) threaded connection, second screw rod (92) are close to the one end and the side pressure dish (94) of another second screw rod (92) and are connected, side pressure dish (94) are located the both sides of lower pressure dish (10).

6. The compression testing machine for detecting pipe welds of claim 5, wherein: each group of the pressing assembly (9) comprises two fixing plates (91), the fixing plates (91) are connected to two sides of the supporting leg (102), and the second screw rods (92) are in threaded connection with the two fixing plates (91).

7. The compression testing machine for detecting pipe welds of claim 5, wherein: one end of the second screw rod (92) departing from the side pressing disc (94) is connected with a second hand wheel (93).

8. The compression testing machine for detecting pipe welds according to claim 1, characterized in that: one end of the first screw rod (3) deviating from the upper pressure plate (7) is connected with a first hand wheel (4).

9. The compression testing machine for detecting pipe welds according to claim 1, characterized in that: fixed station (101) below is equipped with base (2), landing leg (102) and lower pressure disk (10) are all connected on base (2), spread groove (22) have been seted up on base (2), spread groove (22) and water injection hole (12) intercommunication, one side of base (2) is equipped with water injection pipe (16), the one end of water injection pipe (16) is located spread groove (22), the one end of water injection pipe (16) is connected with the lateral wall of spread groove (22), the inside and water injection hole (12) intercommunication of water injection pipe (16), the other end of water injection pipe (16) is connected with water pump (15), one side of water pump (15) is equipped with water tank (13), water pump (15) are connected with water tank (13) through connecting pipe (14).