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CN-224231488-U - Stainless steel pipe pressure test equipment

CN224231488UCN 224231488 UCN224231488 UCN 224231488UCN-224231488-U

Abstract

The utility model relates to the technical field of steel pipes and discloses stainless steel pipe pressure testing equipment which comprises two shells, wherein baffle plates are connected to the inner walls of the circumferences of the two shells in a sliding manner, pushing mechanisms for driving the baffle plates to move are arranged on one sides of the two shells, fixing mechanisms for clamping the steel pipes are arranged on the inner walls of the two shells, a cylinder body is fixedly connected to one side of one baffle plate, and through holes are formed in the positions, located in the cylinder body, of the baffle plates. The steel tube clamping device not only detects steel tubes with different lengths through the cooperation of the baffle plate and the cylinder body, but also clamps the steel plates from different directions through the clamping plates, so that a stable clamping structure is formed, and the stability of clamping the steel tubes is improved.

Inventors

  • LI GUANGYU
  • JIA JIAN
  • ZHANG WENZHU
  • HUANG XIAOTAO
  • XU ZHULI

Assignees

  • 常州市联谊特种不锈钢管有限公司

Dates

Publication Date
20260512
Application Date
20250424

Claims (8)

  1. 1. The stainless steel pipe pressure test equipment comprises two shells (5) and is characterized in that the circumferential inner walls of the shells (5) are slidably connected with baffle plates (6), one sides of the shells (5) are respectively provided with a pushing mechanism for driving the baffle plates (6) to move, the inner walls of the shells (5) are respectively provided with a fixing mechanism for clamping a steel pipe, one side of each baffle plate (6) is fixedly connected with a cylinder (9), a through hole (22) is formed in the position, located in each cylinder (9), of each baffle plate (6), a pressure gauge (7) is connected with the inside of each cylinder (9) on the outer side of the circumference of each cylinder (9), and one side of each cylinder (9) is fixedly connected with a connecting pipe for injecting gas into each cylinder (9).
  2. 2. A stainless steel pipe pressure testing apparatus according to claim 1, wherein the pushing mechanism comprises a first screw rod (10) in threaded connection with a threaded hole formed in the housing (5), and the first screw rod (10) is in rotational connection with the baffle plate (6).
  3. 3. The stainless steel tube pressure test equipment according to claim 1, wherein the fixing mechanism comprises a plurality of positioning columns (18) which are uniformly and fixedly connected to the circumferential inner wall of the shell (5), a U-shaped frame (19) is slidably connected to the outer side of each positioning column (18), a clamping plate (21) is fixedly connected to the bottom of each U-shaped frame (19), a plurality of second screw rods (17) which are in threaded connection with the plurality of U-shaped frames (19) are rotatably connected to the circumferential inner wall of the shell (5), the plurality of U-shaped frames (19) are in one-to-one correspondence with the plurality of screw rods (117), and a transmission mechanism for driving the plurality of second screw rods (17) to synchronously rotate is arranged on the circumferential inner wall of the shell (5).
  4. 4. A stainless steel pipe pressure testing apparatus according to claim 3, wherein said transmission mechanism comprises a toothed disc (15) rotatably connected to the circumferential inner wall of the housing (5), and a plurality of said second screw rods (17) are provided on the circumferential outer side of one end of the inner wall of the housing (5) and each connected with a gear (16) engaged with the toothed disc (15).
  5. 5. The stainless steel tube pressure test device according to claim 4, wherein two fixing plates (13) are fixedly connected to the outer side of the circumference of one of the shells (5), a winding and unwinding roller (14) is rotatably connected between the two fixing plates (13), a connecting rope (11) is wound on the outer side of the circumference of the winding and unwinding roller (14), one end of the connecting rope (11) is fixed with the winding and unwinding roller (14), the other end of the connecting rope is fixed with the other shell (5), one side of one of the fixing plates (13) is fixedly connected with a torsion spring (12), and the other end of the torsion spring (12) is fixed with the winding and unwinding roller (14).
  6. 6. The stainless steel tube pressure test device according to claim 5, wherein a plurality of second protruding blocks (4) are fixedly connected to the outer side of the circumference of one of the shells (5), a plurality of first protruding blocks (1) are fixedly connected to the outer side of the circumference of the other shell (5), the plurality of first protruding blocks (1) are in one-to-one correspondence with the plurality of second protruding blocks (4), and the first protruding blocks (1) and the second protruding blocks (4) are made of magnets.
  7. 7. The stainless steel tube pressure test device according to claim 6, wherein the slots (2) are formed in one side of the first protruding blocks (1), and the inserting rods (3) which are inserted into the slots (2) are arranged in one side of the second protruding blocks (4).
  8. 8. A stainless steel pipe pressure testing apparatus according to claim 2, wherein a gasket (20) for increasing sealing is fixedly connected to one side of each of the two baffles (6).

Description

Stainless steel pipe pressure test equipment Technical Field The utility model relates to the technical field of steel pipes, in particular to stainless steel pipe pressure testing equipment. Background Stainless steel pipes are widely used in industrial transportation pipelines such as petroleum and mechanical instruments, mechanical structural parts and the like, and pressure inspection is required to be performed on the inside of the stainless steel pipe after production. Through retrieving, the chinese patent with bulletin number CN220039997U discloses a steel pipe pressure testing device, including the base, fixedly connected with bottom cover on the base utilizes exhaust mechanism can make after the steel pipe is interior to inject water, and the air in the steel pipe can be discharged, to the accuracy that can improve steel pipe pressure test like this. However, there is still a disadvantage in that the operation of the apparatus is limited by the internal space thereof, so that the apparatus cannot be put into the apparatus when the steel pipe is excessively long, and the apparatus cannot be adapted to the use requirements of various steel pipe sizes. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides stainless steel tube pressure testing equipment for solving the problems in the prior art. The utility model provides the technical scheme that stainless steel pipe pressure testing equipment comprises two shells, wherein the circumferential inner walls of the two shells are connected with baffles in a sliding manner, one sides of the two shells are respectively provided with a pushing mechanism for driving the baffles to move, the inner walls of the two shells are respectively provided with a fixing mechanism for clamping a steel pipe, one side of one baffle is fixedly connected with a cylinder body, a through hole is formed in the position of the baffle in the cylinder body, the circumferential outer side of the cylinder body is provided with a pressure gauge connected with the inside of the cylinder body, and one side of the cylinder body is fixedly connected with a connecting pipe for injecting gas into the cylinder body. As a further scheme of the utility model, the pushing mechanism comprises a first screw rod which is in threaded connection with a threaded hole formed in the shell, and the first screw rod is in rotary connection with the baffle. As a further scheme of the utility model, the fixing mechanism comprises a plurality of positioning columns which are uniformly and fixedly connected to the circumferential inner wall of the shell, the outer sides of the positioning columns are in sliding connection with U-shaped frames, the bottoms of the U-shaped frames are fixedly connected with clamping plates, the circumferential inner wall of the shell is rotationally connected with a plurality of second screw rods which are in threaded connection with the U-shaped frames, the U-shaped frames are in one-to-one correspondence with the screw rods, and the circumferential inner wall of the shell is provided with a transmission mechanism which drives the second screw rods to synchronously rotate. As a further scheme of the utility model, the transmission mechanism comprises a fluted disc rotatably connected to the circumferential inner wall of the shell, and a plurality of second screw rods are respectively connected with a gear meshed with the fluted disc in a key way at the outer side of the circumference of one end of the inner wall of the shell. As a further scheme of the utility model, two fixing plates are fixedly connected to the outer side of the circumference of one of the shells, a winding and unwinding roller is rotatably connected between the two fixing plates, a connecting rope is wound on the outer side of the circumference of the winding and unwinding roller, one end of the connecting rope is fixed with the winding and unwinding roller, the other end of the connecting rope is fixed with the other shell, a torsion spring is fixedly connected to one side of one of the fixing plates, and the other end of the torsion spring is fixed with the winding and unwinding roller. As a further scheme of the utility model, a plurality of second convex blocks are fixedly connected to the outer side of the circumference of one shell, a plurality of first convex blocks are fixedly connected to the outer side of the circumference of the other shell, the plurality of first convex blocks correspond to the plurality of second convex blocks one by one, and the first convex blocks and the second convex blocks are made of magnets. As a further scheme of the utility model, slots are formed on one sides of the first convex blocks, and inserted rods which are inserted into the slots are arranged on one sides of the second convex blocks. As a further proposal of the utility model, one side of each baffle is fixedly connected with a sealing gasket for increasing