Search

CN-224231495-U - Compression test equipment of internal thread pipe

CN224231495UCN 224231495 UCN224231495 UCN 224231495UCN-224231495-U

Abstract

The utility model discloses compression testing equipment for an internal thread pipe, which comprises a support pressing mechanism and a pressure detection mechanism, wherein the pressure detection mechanism is arranged on the support pressing mechanism, the support pressing mechanism comprises a support flat plate, a support frame is fixedly arranged at the top end of the support flat plate, an electric hydraulic telescopic rod is fixedly arranged at the middle part of the bottom end of the support frame, a support disc is fixedly arranged at the middle part of the top end of the support flat plate, a protective outer frame is arranged at the top end of the support flat plate outside the support disc, and the pressure detection mechanism comprises a fixed disc and an extrusion disc. According to the utility model, accurate pressure application is realized through the control of the electric hydraulic telescopic rod and the PLC, the bidirectional limit of the positioning groove and the anti-skid groove is combined, no offset of the threaded pipe in the test is ensured, the pressure sensor captures the collapse instant pressure dip signal in real time, and the pressure curve is dynamically drawn through the display, so that the compression peak value is accurately locked.

Inventors

  • WU QINLONG
  • CHEN YONGXIN
  • YING BINBIN

Assignees

  • 浙江银佳铜业有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (8)

  1. 1. The compression testing equipment for the internal thread pipe comprises a supporting pushing mechanism (1) and a pressure detecting mechanism (2) and is characterized in that the pressure detecting mechanism (2) is arranged on the supporting pushing mechanism (1), the supporting pushing mechanism (1) comprises a supporting flat plate (3), a supporting frame (4) is fixedly arranged at the top end of the supporting flat plate (3), an electric hydraulic telescopic rod (5) is fixedly arranged at the middle part of the bottom end of the supporting frame (4), a supporting disc (9) is fixedly arranged at the middle part of the top end of the supporting flat plate (3), a protective outer frame (11) is arranged at the top end of the supporting flat plate (3) and positioned outside the supporting disc (9), the pressure detecting mechanism (2) comprises a fixing disc (13) and an extruding disc (14), the fixing disc (13) is movably connected to the top end of the extruding disc (14), and a pressure sensor (20) is fixedly arranged at the middle part of the top end of the extruding disc (14).
  2. 2. The compression testing device for the internally threaded pipe according to claim 1, wherein a fixing plate (6) is fixedly arranged in the middle of the front end of the supporting frame (4), a PLC (programmable logic controller) 7 and a display (8) are respectively and fixedly arranged at the front end of the fixing plate (6), and the PLC (7) is respectively and electrically connected with the electro-hydraulic telescopic rod (5), the pressure sensor (20) and the display (8) in a wired mode.
  3. 3. The compression testing device for an internally threaded pipe according to claim 1, wherein a positioning groove (10) is formed in the middle of the top end of the supporting disc (9).
  4. 4. The compression testing device for an internally threaded pipe according to claim 1, wherein the top end of the protective outer frame (11) is fixedly connected with a shielding ring (12), and the top end of the shielding ring (12) is inclined towards the center in an arc shape.
  5. 5. The compression testing device for the internally threaded pipe according to claim 1, wherein limiting sliding holes (15) are uniformly formed in the outer side of the top end of the fixed disc (13) in a penetrating mode, two fixing holes (16) are symmetrically formed in the top end of the fixed disc (13) in a penetrating mode, and two avoidance grooves (17) are symmetrically formed in the position, located at the bottom end of the fixing holes (16), of the bottom end of the fixed disc (13).
  6. 6. The compression testing device for an internally threaded pipe according to claim 5, wherein a limiting slide rod (18) is uniformly and fixedly arranged on the outer side of the top end of the extrusion disc (14), a baffle plate (19) is fixedly connected to the top end of the limiting slide rod (18), the limiting slide rod (18) is slidably connected to the inner side of the limiting slide hole (15), the baffle plate (19) is located on the top end of the fixed disc (13), and the top end of the pressure sensor (20) is in contact connection with the middle of the bottom end of the fixed disc (13).
  7. 7. The compression testing device for an internally threaded pipe according to claim 3, wherein the middle part of the bottom end of the extrusion disc (14) is provided with an anti-slip groove (21), and the positioning groove (10) is matched with the anti-slip groove (21) in position.
  8. 8. The compression testing device for an internally threaded pipe according to claim 5, wherein the fixing plate (13) is fixedly installed at the telescopic end of the electrohydraulic telescopic rod (5) through the fixing hole (16) by a bolt, and the end head of the bolt is located in the avoidance groove (17).

Description

Compression test equipment of internal thread pipe Technical Field The utility model relates to the field of threaded pipe testing, in particular to compression testing equipment for an internal threaded pipe. Background The threaded pipe can be tested after production and then put into use, the testing device is important, the testing result directly influences the actual use effect of the threaded pipe, the traditional test relies on the manual jack to carry out pressure test, the pressure-resistant data of the threaded pipe cannot be truly tested, and the threaded pipe can possibly generate the conditions that scraps splash and even the threaded pipe is extruded and popped up when the pressure test is carried out, so that the pressure-resistant testing equipment of the internal threaded pipe is urgently needed to solve the problems. Disclosure of utility model The utility model aims to provide compression testing equipment for an internally threaded pipe, so as to solve the problems in the background technology. In order to achieve the aim, the utility model provides the technical scheme that the compression testing equipment for the internal thread pipe comprises a supporting pressing mechanism and a pressure detecting mechanism, wherein the pressure detecting mechanism is arranged on the supporting pressing mechanism, the supporting pressing mechanism comprises a supporting flat plate, a supporting frame is fixedly arranged at the top end of the supporting flat plate, an electric hydraulic telescopic rod is fixedly arranged at the middle part of the bottom end of the supporting frame, a supporting disc is fixedly arranged at the middle part of the top end of the supporting flat plate, a protective outer frame is arranged at the top end of the supporting flat plate and positioned at the outer side of the supporting disc, the pressure detecting mechanism comprises a fixed disc and an extruding disc, the fixed disc is movably connected to the top end of the extruding disc, and a pressure sensor is fixedly arranged at the middle part of the top end of the extruding disc. Preferably, a fixed plate is fixedly arranged in the middle of the front end of the support frame, a PLC controller and a display are respectively and fixedly arranged at the front end of the fixed plate, and the PLC controller is respectively and electrically connected with the electric hydraulic telescopic rod, the pressure sensor and the display in a wired mode. Preferably, a positioning groove is formed in the middle of the top end of the supporting disc. Preferably, the top of the protection outer frame is fixedly connected with a shielding ring, and the top of the shielding ring is inclined towards the center in an arc shape. Preferably, the top outside of fixed disk evenly runs through and has seted up spacing slide hole, two fixed orifices have been run through to the top symmetry of fixed disk, the bottom of fixed disk is located two dodge the groove in the symmetry of the position of fixed orifices bottom. Preferably, the top outside of the extrusion disc is evenly and fixedly provided with a limit slide bar, the top fixedly connected with baffle of limit slide bar, limit slide bar sliding connection is in the inboard of limit slide hole, the baffle is located the top of fixed disc, pressure sensor's top with the bottom middle part contact connection of fixed disc. Preferably, an anti-skid groove is formed in the middle of the bottom end of the extrusion plate, and the positioning groove is matched with the anti-skid groove in position. Preferably, the fixing disc passes through the fixing hole through the bolt to be fixedly installed at the telescopic end of the electric hydraulic telescopic rod, and the end head of the bolt is positioned in the avoidance groove. Compared with the prior art, the utility model has the following beneficial effects: According to the utility model, accurate pressure application is realized through the control of the electric hydraulic telescopic rod and the PLC, the bidirectional limit of the positioning groove and the anti-slip groove is combined, no offset of the threaded pipe in the test is ensured, the pressure sensor captures the pressure dip signal at the moment of collapse in real time, the pressure curve is dynamically drawn through the display, the compression peak value is accurately locked, the anti-slip barrier is formed by the protection outer frame and the arc shielding ring, the splashing range of scraps is limited in the protection outer frame, and the safety is improved. Drawings FIG. 1 is a schematic perspective view of a main body of the present utility model; FIG. 2 is a schematic view of a supporting and pushing mechanism according to the present utility model; FIG. 3 is a schematic view of a pressure detecting mechanism according to the present utility model; fig. 4 is a schematic view of the bottom structure of the pressure detecting mechanism according to the present utility