CN212539978U

CN212539978U - Spiral steel pipe hydrostatic testing machine

Info

Publication number: CN212539978U
Application number: CN202021498232.1U
Authority: CN
Inventors: 郭玉青
Original assignee: Tianjin Xinrunzetong Steel Co ltd
Current assignee: Tianjin Xinrunzetong Steel Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-02-12
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a spiral steel pipe hydrostatic testing machine, relating to the technical field of hydrostatic testing equipment, comprising a base, wherein a pressing device and a cushion mounting device are arranged on the base; the pressing device comprises a water storage tank arranged on the upper end surface of the base, two supporting rollers for bearing the spiral steel pipe are rotatably arranged at the bottom of the water storage tank, a water injection seat and a pushing seat are arranged on the upper end surface of the base in a sliding manner, and the water injection seat and the pushing seat are arranged oppositely; the cushion mounting device comprises two support plates which are arranged on the upper end face of the base in a sliding mode, one opposite sides of the two support plates are detachably connected with a sealing gasket, a plurality of coaxially arranged plug bushes are fixed on the sealing gasket, the spiral steel pipe is in plug fit with the outer peripheral sides of the plug bushes, a pressing hole is formed in the center of the sealing gasket, and a spray head and three clamping jaws are arranged on the support plates in a swinging mode. The utility model discloses can be automatically at spiral steel pipe both ends fixed seal pad to carry out hydrostatic test to spiral steel pipe, have the characteristics that degree of automation is high.

Description

Spiral steel pipe hydrostatic testing machine

Technical Field

The utility model relates to a hydrostatic test equipment technical field especially relates to a spiral steel pipe hydrostatic test machine.

Background

The spiral seam steel pipe is formed by welding a strip steel coil serving as a raw material through a normal-temperature extrusion molding process and an automatic double-wire double-sided submerged arc welding process. In order to test the sealing performance and the pressure resistance of the steel pipe, a hydraulic test needs to be carried out on the spiral steel pipe. Before the hydrostatic test, sealing gaskets are required to be fixed at two ends of the spiral steel pipe.

Chinese patent with patent publication No. CN206339446U proposes a hydrostatic testing machine, which comprises a bottom plate, a fixed body fixedly connected to the bottom plate, a sliding body, a track fixedly connected to the bottom plate, and a lower supporting table.

Above-mentioned technical scheme arranges the spiral steel pipe in on the lower supporting bench, and the fixed body and the cooperation of sliding body carry out the hydrostatic test to the spiral steel pipe. However, before the hydrostatic test, the sealing gaskets are required to be manually arranged at the two ends of the spiral steel pipe, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral steel pipe hydrostatic test machine can be automatically at spiral steel pipe both ends fixed sealing pad to carry out hydrostatic test to spiral steel pipe, have the characteristics that degree of automation is high.

The utility model discloses a can realize through following technical scheme:

a spiral steel pipe hydrostatic testing machine comprises a base, wherein a pressing device and a cushion mounting device are arranged on the base; the pressing device comprises a water storage tank arranged on the upper end surface of the base, two supporting rollers for bearing the spiral steel pipe are rotatably arranged at the bottom of the water storage tank, a water injection seat and a pushing seat are arranged on the upper end surface of the base in a sliding manner, and the water injection seat and the pushing seat are oppositely arranged; dress fills up the device and includes two slide set up in the backup pad of base up end, two one side that the backup pad is in opposite directions all can be dismantled and be connected with sealed the pad, be fixed with the plug bush of a plurality of coaxial settings on the seal pad, spiral steel pipe with the cooperation of pegging graft of plug bush's periphery side, the central point of sealed pad puts and has seted up the hole of suppressing, it is right to swing in the backup pad be provided with be used for sealed pad to carry out clear shower nozzle and three and be used for fixing the jack catch of seal pad position.

Through adopting above-mentioned technical scheme, arrange the spiral steel pipe in on two backing rolls, two backup pads move in opposite directions, the both ends of spiral steel pipe are respectively with the cooperation of pegging graft cover grafting that two correspond, the jack catch is to keeping away from sealed one side swing of filling up, the backup pad shifts up, shower nozzle blowout rivers are kept away from spiral steel pipe one side to sealed the pad and are cleaned, then, annotate water seat and promote the seat and move in opposite directions and contradict with two sealed pads respectively, the water injection seat is suppressed to carrying out the water injection in the spiral steel pipe through suppressing the hole, after the hydrostatic test, annotate water seat and promote the seat and move back to back of the body, two backup pads move down, three jack catch cooperation in the same backup pad presss from both sides tight sealed pad, two. The utility model can be conveniently put in or taken out of the sealing gasket through the arrangement of the clamping jaws and the supporting plate; through the setting of shower nozzle, can clean sealed the pad, strengthen sealed pad and annotate the leakproofness between the water seat and the promotion seat. The utility model discloses can be automatically at spiral steel pipe both ends fixed seal pad to carry out hydrostatic test to spiral steel pipe, have the characteristics that degree of automation is high.

Further setting the following steps: the base is fixed with two supporting seats which are arranged oppositely, two push guide rails which are arranged in parallel are fixed between the supporting seats, the water injection seat and the push seat are matched with the push guide rails in a sliding mode, two push oil cylinders are fixed on one sides, opposite to the supporting seats, of the two push oil cylinders respectively drive the water injection seat and the push seat to move.

Through adopting above-mentioned technical scheme, under the effect of two promotion hydro-cylinders, the promotion seat can be followed two promotion guide rails and moved mutually in opposite directions with the seat of annotating water, is convenient for suppress the water injection of the spiral steel pipe of different length.

Further setting the following steps: be fixed with two end plates on the base, two fixed guided way that is provided with between the end plate is provided with double lead screw with the rotation, the guided way with double lead screw all follows the length direction setting of push guide rail, the guided way cooperation of sliding is provided with two sliding plates, double lead screw's both ends are threaded respectively and are worn to establish two sliding plates, the ascending and descending of sliding plate is provided with the backup pad, arbitrary the drive has set firmly on the end plate double lead screw pivoted motor that slides.

Through adopting above-mentioned technical scheme, under the effect of the motor that slides, the rotation of double-end lead screw drives two sliding plate and moves along the guided way in opposite directions or back of the body mutually, is convenient for pack into or shift out sealed the pad to the spiral steel pipe of different length.

Further setting the following steps: two the slide plate one side in opposite directions all rotates and is provided with the gear and fixedly is provided with perpendicular rail, the backup pad with perpendicular rail cooperation of sliding, be fixed with in the backup pad with gear engagement's rack, the drive has set firmly on the slide plate gear pivoted elevator motor.

Through adopting above-mentioned technical scheme, under elevator motor's effect, the rotation of gear drives the backup pad and reciprocates along perpendicular rail.

Further setting the following steps: the utility model discloses a three-arc clamping device, including backup pad, post case, jack catch, post case internal rotation, three arc fluted disc, three arc limit is equipped with to the jack catch, the jack catch is close to the one end of backup pad is fixed with the centre gripping post, the centre gripping post is worn to establish the post case, and is three the centre gripping post is respectively with three the arc limit is contradicted, the jack catch with be fixed with the spring between the post case, the drive has set firmly in the backup pad three arc fluted disc pivoted centre gripping motor.

Through adopting above-mentioned technical scheme, the rotation of three arc fluted discs drives three centre gripping post and slides along three arc limit respectively. When the distance between the free end of the clamping column and the central axis of the three-arc fluted disc is increased, the jaw compression spring swings to one side close to the sealing gasket, and the sealing gasket is fixed on one side of the column box; otherwise, the claw swings to the side far away from the sealing gasket.

Further setting the following steps: one side that the backup pad was kept away from the sliding plate is fixed with clean cylinder, clean cylinder is located the post case top, it has the swinging arms to articulate on the piston rod of clean cylinder, one side that the swinging arms is close to the spiral steel pipe is fixed with the shower nozzle, it has the connecting rod to articulate on the swinging arms, the connecting rod with the periphery side of clean cylinder is articulated to be connected.

By adopting the technical scheme, when the piston rod of the cleaning air cylinder extends out, the spray head is driven to swing to one side close to the cleaning air cylinder; when the piston rod of the cleaning cylinder retracts, the spray head is driven to swing to one side far away from the cleaning cylinder.

Further setting the following steps: one side, far away from the supporting plate, of the sealing gasket is fixedly provided with a clamping ring, and the clamping jaw is abutted against the inner peripheral side of the clamping ring.

Through adopting above-mentioned technical scheme, the setting of snap ring, the jack catch fixed seal pad's of being convenient for position prevents to skid.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the clamping jaws and the supporting plate are arranged, so that the sealing gasket can be conveniently arranged in or removed from the sealing plate;

(2) through the setting of shower nozzle, can clean sealed the pad, strengthen sealed pad and annotate the leakproofness between the water seat and the promotion seat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partial cross-sectional view of the middle column box of the present invention.

Reference numerals: 1. a base; 2. a water storage tank; 3. a support roller; 4. a water injection seat; 5. a pushing seat; 6. a support plate; 7. a gasket; 8. a plug bush; 9. punching a hole; 10. a spray head; 11. a claw; 12. a supporting seat; 13. pushing the guide rail; 14. pushing the oil cylinder; 15. an end plate; 16. a guide rail; 17. a double-ended lead screw; 18. a slide plate; 19. a slip motor; 20. a gear; 21. a vertical rail; 22. a rack; 23. a lifting motor; 24. a column box; 25. a three-arc fluted disc; 26. arc edge; 27. a clamping post; 28. a spring; 29. a clamping motor; 30. cleaning the cylinder; 31. a swing lever; 32. a connecting rod; 33. a snap ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 3, for the utility model discloses a spiral steel pipe hydrostatic test machine, including the base 1 that is the cuboid type, be provided with on the base 1 and be used for carrying out the water injection to the spiral steel pipe and suppress the device and pack the device to filling up that sealed pad 7 and two sealed pads 7 of removing behind hydrostatic test were packed into to spiral steel pipe both ends before hydrostatic test.

The pressurizing device comprises a water storage tank 2 arranged on the upper end face of the base 1, the water storage tank 2 is arranged along the length direction of the base 1, and the water storage tank 2 is used for receiving water in the spiral steel pipe after the hydrostatic test. The bottom of the water storage tank 2 is rotatably provided with two supporting rollers 3, the connecting line direction of the two supporting rollers 3 is arranged along the length direction of the base 1, and the two supporting rollers 3 are used for supporting the spiral steel pipe. The base 1 is provided with a water injection seat 4 and a pushing seat 5 in a sliding manner, and the water injection seat 4 and the pushing seat 5 are arranged oppositely. Arrange the spiral steel pipe in on two backing rolls 3, pack into sealed pad 7 to spiral steel pipe both ends, sealed pad 7 is circular, sealed pad 7 one side is fixed with a plurality of plug bushes 8 with the coaxial setting of sealed pad 7, the cooperation of pegging graft of spiral steel pipe internal week side and plug bush 8, the setting of a plurality of plug bushes 8, the sealed pad 7 of being convenient for is sealed to the sealing of the spiral steel pipe of different internal diameters, combines figure 2, sealed 7 central point of pad puts and has seted up and has suppressed hole 9. Then, water injection seat 4 and promotion seat 5 are close to respectively to the both ends of spiral steel pipe to support tightly two sealed pads 7 respectively, water injection seat 4 is pressed to the interior notes water of spiral steel pipe through pressing hole 9, after the hydrostatic test, water injection seat 4 and promotion seat 5 remove to the one side of keeping away from spiral steel pipe respectively, take off two sealed pads 7, and water in the spiral steel pipe falls into in the catch basin 2.

With reference to fig. 1, the movement of the water filling seat 4 and the pushing seat 5 is carried out by the following arrangement: be fixed with the supporting seat 12 of two relative settings on the base 1, water injection seat 4 is located between two supporting seats 12 with promotion seat 5, be fixed with two promotion guide rail 13 that set up along base 1 length direction between two supporting seats 12, water injection seat 4 and promotion seat 5 all with two promotion guide rail 13 cooperation of sliding, one side that two supporting seats 12 are relative all is fixed with promotion hydro-cylinder 14, the length direction setting of base 1 is all followed to two promotion hydro-cylinder 14's piston rod, and two promotion hydro-cylinder 14's piston rod set up relatively, one side that spiral steel pipe was kept away from to water injection seat 4 and promotion seat 5 is fixed with two promotion hydro-cylinder 14's piston rod respectively. Under the action of the two pushing cylinders 14, the water injection seat 4 and the pushing seat 5 can move along the two pushing guide rails 13. The sliding of the water injection seat 4 and the pushing seat 5 is convenient for the water injection seat 4 and the pushing seat 5 to cooperate to inject water and press the spiral steel pipes with different lengths.

Referring to fig. 1 and 3, the cushion mounting device comprises supporting plates 6 capable of translating on the upper end surface of the base 1, wherein one opposite sides of the two supporting plates 6 are respectively detachably connected with a sealing gasket 7, and the two sealing gaskets 7 are arranged oppositely. The translation of the support plate 6 comprises a movement in horizontal and vertical direction. The movement of the support plate 6 in the horizontal direction is achieved by the following arrangement: be fixed with two end plates 15 on the base 1, two supporting seats 12 are located between two end plates 15, it is provided with double lead screw 17 with rotating to fix being provided with guided way 16 between two end plates 15, guided way 16 and double lead screw 17 all set up along base 1's length direction, guided way 16 slides and cooperates and is provided with two sliding plate 18, sliding plate 18 is vertical to be set up, two sliding plate 18 set up relatively, double lead screw 17's both ends are threaded respectively and are worn to establish two sliding plate 18, be fixed with sliding motor 19 on arbitrary end plate 15, sliding motor 19 is connected through the through-drive with double lead screw 17, two sliding plate 18 one side in opposite directions all go up and down and are provided with backup pad 6. Under the action of the sliding motor 19, the two sliding plates 18 can move towards or away from each other along the guide rail 16, so that the distance between the two support plates 6 can be conveniently changed, and the two sealing gaskets 7 are suitable for sealing spiral steel pipes with different lengths.

The movement of the support plate 6 in the vertical direction is achieved by the following arrangement: one side that the slide plate 18 is close to backup pad 6 rotates and is provided with gear 20, and backup pad 6 up end is fixed with vertical setting and with gear 20 meshed's rack 22, is fixed with perpendicular rail 21 on the slide plate 18, backup pad 6 and perpendicular rail 21 cooperation of sliding, and one side that the backup pad 6 was kept away from to slide plate 18 is fixed with elevator motor 23, and elevator motor 23 is connected through shaft drive with gear 20. The elevating motor 23 drives the gear 20 to rotate, thereby moving the support plate 6 up and down along the vertical rail 21. When the support plate 6 moves downwards, the sealing gasket 7 can be arranged in or moved out of the end part of the spiral steel pipe.

The removable connection of the gasket 7 is achieved by the following arrangement: a column box 24 is fixed on one side of the support plate 6 far away from the sliding plate 18, the central axis of the column box 24 is arranged along the length direction of the base 1, two column boxes 24 are oppositely arranged, three clamping jaws 11 are hinged on the periphery of the column box 24, a spring 28 is fixed between each clamping jaw 11 and the column box 24, the spring 28 is positioned on one side of the hinged position of each clamping jaw 11 and the column box 24 far away from the support plate 6, a three-arc fluted disc 25 is rotatably arranged on one side of the column box 24 close to the support plate 6, the central axis of the three-arc fluted disc 25 is collinear with the central axis of the column box 24, the three-arc fluted disc 25 is provided with three arc edges 26, a clamping column 27 penetrating through the wall of the column box 24 is fixed at one end of each clamping jaw 11 close to the support plate 6, the clamping column 27 is arranged along the radial direction of the column box 24, the three clamping columns 27 are respectively abutted against the three arc edges 26, the clamping motor 29 is in transmission connection with the three-arc fluted disc 25 through a shaft. The clamping motor 29 drives the three-arc fluted disc 25 to rotate, the free ends of the three clamping columns 27 respectively rotate along the three arc edges 26, when the distance between the free ends of the clamping columns 27 and the central axis of the column box 24 is gradually increased, the compression spring 28 at one end of each clamping jaw 11 far away from the supporting plate 6 swings to one side close to the sealing gasket 7, and the three clamping jaws 11 are matched with and fix the position of the sealing gasket 7 at one side of the column box 24 far away from the supporting plate 6; when the distance between the free end of the clamping column 27 and the central axis of the column box 24 is gradually reduced, the spring 28 pushes the end of the clamping jaw 11 away from the supporting plate 6 to swing to the side away from the sealing gasket 7, and the clamping of the sealing gasket 7 is released.

Two backup pads 6 move in opposite directions, two sealed both ends that insert spiral steel pipe of filling up 7, the jack catch 11 swings to keeping away from sealed 7 one side of filling up, then two backup pads 6 move back of the body mutually, backup pad 6 shifts up, carry out the hydrostatic test back to spiral steel pipe, backup pad 6 moves down, two backup pads 6 move in opposite directions, jack catch 11 swings to being close to sealed 7 one side of filling up, the sealed 7 of three jack catch 11 cooperation centre gripping in same backup pad 6, two backup pads 6 move back of the body mutually.

Referring to fig. 1 and 3, the sealing gasket 7 may be contaminated by dust and impurities in the frequent use process, which affects the sealing performance between the sealing gasket 7 and the water injection seat 4 or the pushing seat 5, and affects the accuracy of the hydraulic test of the spiral steel pipe. Combine fig. 2, the backup pad 6 is kept away from slide plate 18 one side and is fixed with clean cylinder 30, the piston rod slant of clean cylinder 30 sets up, clean cylinder 30 is located the top of post case 24, one side that clean cylinder 30 was kept away from to clean cylinder 30's piston rod articulates there is the swinging arms 31, the last articulated connecting rod 32 that has of swinging arms 31, connecting rod 32 is connected with the one side articulated that clean cylinder 30 is close to post case 24, the one end that clean cylinder 30 was kept away from to swinging arms 31 is fixed with shower nozzle 10, shower nozzle 10 can spout rivers and clean the one side that sealed pad 7 kept away from the spiral steel pipe. When the piston rod of the cleaning cylinder 30 extends, the swing rod 31 swings to one side close to the cleaning cylinder 30; when the piston rod of the cleaning cylinder 30 is retracted, the swing rod 31 swings to the side away from the cleaning cylinder 30. By the swing of the swing lever 31, the spray area of the spray head 10 can be enlarged, and the cleaning of the sealing gasket 7 is facilitated. A snap ring 33 is fixed on one side of the sealing gasket 7 far away from the supporting plate 6, and the clamping jaws 11 are abutted against the inner peripheral sides of the clamping jaws 11. The clamping ring 33 is arranged, so that the clamping claws 11 can fix the position of the sealing gasket 7 to prevent slipping.

The utility model discloses a theory of operation and beneficial effect do:

arrange the spiral steel pipe in on two backing rolls 3, two backup pads 6 remove in opposite directions, two sealed both ends that insert the spiral steel pipe respectively of filling up 7, the sealed 7 one side removal of packing is kept away from to the jack catch 11, two backup pads 6 remove mutually in opposite directions, backup pad 6 shifts up, water injection seat 4 carries out hydrostatic test to the spiral steel pipe with promoting 5 removal in opposite directions, then water injection seat 4 removes mutually with promotion seat 5, two backup pads 6 move down and move in opposite directions, the sealed 7 of 11 centre gripping of three jack catches on the same backup pad 6, two backup pads 6 move mutually in opposite directions, water in the spiral steel pipe falls into in the catch basin 2. The arrangement of the clamping jaw 11 and the supporting plate 6 in the utility model is convenient for loading or removing the sealing gasket 7; the spray head 10 is arranged to clean the sealing gasket 7. The utility model discloses can be automatically at spiral steel pipe both ends fixed seal pad 7 to carry out hydrostatic test to spiral steel pipe, have the characteristics that degree of automation is high.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a spiral steel pipe hydrostatic test machine which characterized in that: the cushion packaging machine comprises a base (1), wherein a pressing device and a cushion mounting device are arranged on the base (1);

the pressing device comprises a water storage tank (2) arranged on the upper end surface of the base (1), two supporting rollers (3) used for bearing the spiral steel pipe are rotatably arranged at the bottom of the water storage tank (2), a water injection seat (4) and a pushing seat (5) are slidably arranged on the upper end surface of the base (1), and the water injection seat (4) and the pushing seat (5) are oppositely arranged;

dress fills up the device including two slide set up in backup pad (6), two of base (1) up end one side in opposite directions all can be dismantled and be connected with sealed pad (7), sealed pad (7) are gone up and are fixed with plug bush (8) of a plurality of coaxial settings, spiral steel pipe with the cooperation of pegging graft of the periphery side of plug bush (8), the central point of sealed pad (7) puts and has seted up and has suppressed hole (9), it is provided with to be used for right to swing on backup pad (6) sealed pad (7) carry out clear shower nozzle (10) and three are used for fixing sealed jack catch (11) of pad (7) position.

2. The hydrostatic testing machine for spiral steel pipes as claimed in claim 1, characterized in that: be fixed with supporting seat (12) of two relative settings on base (1), two be fixed with two parallel arrangement's promotion guide rail (13) between supporting seat (12), annotate water seat (4) with promote seat (5) all with two promote the cooperation of sliding of guide rail (13), two one side that supporting seat (12) are relative all is fixed with promotion hydro-cylinder (14), two promote hydro-cylinder (14) drive respectively annotate water seat (4) with it removes to promote seat (5).

3. The spiral steel pipe hydrostatic testing machine of claim 2, characterized in that: be fixed with two end plates (15) on base (1), two fixed being provided with guided way (16) between end plate (15) and rotating and being provided with double lead screw (17), guided way (16) with double lead screw (17) are all followed the length direction of promotion guide rail (13) sets up, guided way (16) cooperation of sliding is provided with two sliding plate (18), two are worn to establish by the screw thread respectively at the both ends of double lead screw (17) sliding plate (18), sliding plate (18) go up to descend and be provided with backup pad (6), arbitrary set firmly the drive on end plate (15) double lead screw (17) pivoted sliding motor (19).

4. The hydrostatic testing machine for spiral steel pipes as claimed in claim 3, characterized in that: two slide plate (18) one side in opposite directions all rotates and is provided with gear (20) and fixed vertical rail (21) that is provided with, backup pad (6) with vertical rail (21) cooperation of sliding, be fixed with on backup pad (6) with rack (22) of gear (20) meshing, the drive has set firmly on slide plate (18) gear (20) pivoted elevator motor (23).

5. The hydrostatic testing machine for spiral steel pipes as claimed in claim 4, wherein: backup pad (6) one side is fixed with column box (24), column box (24) periphery side articulates there is three jack catch (11), column box (24) internal rotation is provided with three arc fluted disc (25), three arc fluted disc (25) have three arc limit (26), jack catch (11) are close to the one end of backup pad (6) is fixed with centre gripping post (27), centre gripping post (27) are worn to establish column box (24), three centre gripping post (27) are respectively with three arc limit (26) are contradicted, jack catch (11) with be fixed with spring (28) between column box (24), the drive has set firmly on backup pad (6) three arc fluted disc (25) pivoted centre gripping motor (29).

6. The hydrostatic testing machine for spiral steel pipes of claim 5, which is characterized in that: one side that backup pad (6) kept away from slide plate (18) is fixed with clean cylinder (30), clean cylinder (30) are located column box (24) top, it has swinging arms (31) to articulate on the piston rod of clean cylinder (30), one side that swinging arms (31) are close to spiral steel pipe is fixed with shower nozzle (10), it has connecting rod (32) to articulate on swinging arms (31), connecting rod (32) with the articulated connection of periphery side of clean cylinder (30).

7. The hydrostatic testing machine for spiral steel pipes as claimed in claim 1, characterized in that: sealed pad (7) are kept away from one side of backup pad (6) is fixed with snap ring (33), jack catch (11) with the interior periphery side conflict of snap ring (33).