CN-120253496-B - High wear-resisting anti extrusion hydraulic pressure oil pipe intensity testing arrangement

Abstract

The invention belongs to the technical field of strength testing of hydraulic oil pipes, and relates to a high-wear-resistance extrusion-resistance hydraulic oil pipe strength testing device which comprises a bottom frame, a connecting frame, a door plate, a connecting mechanism, a liquid injection mechanism and an extrusion testing mechanism. According to the invention, when the strength of the hydraulic oil pipe is tested, water with certain pressure can be injected into the hydraulic oil pipe, so that the pressure inside the oil pipe is tested, and when the pressure is tested, the pressure can be applied inwards from the outside of the oil pipe through the extrusion column, so that the impact generated in the outside in the testing process is simulated, the strength testing and the extrusion testing effects of the hydraulic oil pipe can be simultaneously realized, and the testing effect is better.

Inventors

• CHEN DIANXIN

Assignees

• 太仓濂辉液压器材有限公司

Dates

Publication Date

20260512

Application Date

20250330

Claims (5)

1. 1. The high-wear-resistance extrusion-resistance hydraulic oil pipe strength testing device is characterized by comprising a bottom frame (1), a connecting frame (2), a door plate (3), a connecting mechanism, a liquid injection mechanism and an extrusion testing mechanism, wherein the top of the bottom frame (1) is connected with the connecting frame (2), the two sides of the connecting frame (2) are rotatably connected with the door plate (3), the connecting frame (2) is provided with the connecting mechanism and the extrusion testing mechanism, the bottom frame (1) is provided with the liquid injection mechanism, the liquid injection mechanism can inject liquid into a hydraulic oil pipe (100), the extrusion testing mechanism is used for extruding the hydraulic oil pipe (100), the connecting mechanism comprises electric guide rails (41), connecting plates (42), a first fixing stud (43) and a pressure gauge (44), the two sides of the connecting frame (2) are respectively provided with the electric guide rails (41), a connecting plate (42) is connected between moving bodies of the two electric guide rails (41), the middle of the top of the connecting plate (42) is provided with the pressure gauge (44), the bottom of the connecting plate (42) is connected with a first fixing stud (43), an induction end of the pressure gauge (44) penetrates through the first fixing stud (43), the first fixing stud (52), the second stud (53) and the lower fixing stud (55) are arranged on the lower tank, the lower part is provided with down caisson body (51) in chassis (1), and the top of caisson body (51) is connected with baffle (52), evenly spaced is equipped with a plurality of weeping holes on baffle (52), be connected with two fixing studs (53) in the middle of baffle (52) top, two fixing studs (53) inside be hollow setting, install water pump (54) in caisson body (51) down, the liquid outlet end intercommunication of water pump (54) has annotate liquid pipe (55), annotate liquid pipe (55) with the inside intercommunication of two fixing studs (53), still include protection machanism, protection machanism is including protecting soft cover (71), connecting plate (42) bottom is connected with protecting soft cover (71), protecting soft cover (71) cover is on two fixing studs (53) of fixing studs (43), still including temperature control mechanism, temperature control mechanism is including inhaling frame (81), air duct (82), air duct (87), fan (83), refrigeration piece (85) and (86), be connected with two communicating pipe (87) between two communicating pipe (81) are connected with two communicating pipe (87) on connecting plate (2), the air duct (82) passes through the connecting plate (42) and is communicated with the inside of the protective soft cover (71), a fan (83) is installed at the air suction frame (81), a heating pipe (86) is installed in one air suction frame (81), a refrigerating sheet (85) is installed in the other air suction frame (81), two exhaust holes are formed in the middle of the partition plate (52), and the protective soft cover (71) moves downwards to cover the exhaust holes.
2. 2. The high-wear-resistance extrusion-resistance hydraulic oil pipe strength testing device according to claim 1, wherein the extrusion testing mechanism comprises an air pump (61), an air injection pipe (62), a sliding rod (63), a sliding frame (64), a screw rod motor (65), a cylinder body (66), an extrusion column (67), an elastic piece (68) and an electromagnetic valve (69), the air pump (61) is installed at the top of the connecting frame (2), the sliding rod (63) is connected onto the connecting plate (42) in a sliding manner, the sliding frame (64) is installed at the bottom of the sliding rod (63), the screw rod motor (65) is installed on the connecting plate (42), the screw rod of the screw rod motor (65) is connected with the sliding frame (64) in a rotating manner, the cylinder bodies (66) are installed on two sides of the sliding frame (64), the extrusion column (67) is connected with the elastic piece (68) in a sliding manner, the electromagnetic valve (69) is arranged at the bottom of the cylinder body (66), and the air injection pipe (62) is communicated with the cylinder body (66).
3. 3. A high abrasion-resistant extrusion-resistant hydraulic oil pipe strength testing device according to claim 2, wherein a connecting iron ring (72) is arranged at the bottom of the protective soft cover (71).
4. 4. The device for testing the strength of the high-wear-resistance extrusion-resistance hydraulic oil pipe according to claim 3, further comprising a fixing mechanism, wherein the fixing mechanism comprises a connecting ring (91) and a first annular magnet (92), the connecting ring (91) is connected in the middle of the bottom of the connecting plate (42), and the first annular magnet (92) is connected to the bottom of the connecting ring (91).
5. 5. The device for testing the strength of the high-wear-resistance extrusion-resistance hydraulic oil pipe according to claim 4, further comprising a second annular magnet (10), wherein two second annular magnets (10) are connected to the top of the partition plate (52), and the second annular magnets (10) can attract the connecting iron ring (72).

Description

High wear-resisting anti extrusion hydraulic pressure oil pipe intensity testing arrangement Technical Field The invention belongs to the technical field of strength testing of hydraulic oil pipes, and relates to a high-wear-resistance extrusion-resistance hydraulic oil pipe strength testing device. Background With the continuous improvement of the performance standard of the hydraulic system in the industry, the wear resistance and the extrusion resistance of a hydraulic oil pipe which is one of key components of the hydraulic system become particularly critical. Not only does these characteristics directly impact the overall reliability and efficiency of the hydraulic system, but in response to this trend, the development of more advanced materials and testing methods to ensure that the hydraulic tubing can maintain excellent performance under a variety of extreme conditions has become an important direction in the current engineering development. At present, when the strength of a hydraulic oil pipe is tested, water with certain pressure is injected into the oil pipe, and a step-by-step pressurizing test is performed, a static pressure state is maintained for a period of time in each pressure stage, whether the oil pipe is deformed or leaked is observed to evaluate the pressure resistance of the oil pipe, however, when the method is used for testing, the pressure resistance of the inner part of the oil pipe can be simply detected, but in the practical application of the oil pipe, the outer part of the oil pipe is possibly influenced by the pressure, the pressure resistance of the inner part of the oil pipe is only tested, the impact generated by the outer part in the practical use process is difficult to simulate, and the testing effect is poor. Disclosure of Invention In view of the above, the invention provides a high wear-resistant extrusion-resistant hydraulic oil pipe strength testing device. The technical embodiment of the invention is that the high-wear-resistance extrusion-resistance hydraulic oil pipe strength testing device comprises a bottom frame, a connecting frame, a door plate, a connecting mechanism, a liquid injection mechanism and an extrusion testing mechanism, wherein the top of the bottom frame is connected with the connecting frame, the two sides of the connecting frame are respectively and rotatably connected with the door plate, the connecting frame is provided with the connecting mechanism and the extrusion testing mechanism, the bottom frame is provided with the liquid injection mechanism, the liquid injection mechanism can inject liquid into a hydraulic oil pipe, and the extrusion testing mechanism is used for extruding the hydraulic oil pipe. In addition, it is particularly preferred that the connecting mechanism comprises an electric guide rail, a connecting plate, a first fixing stud and a pressure gauge, wherein the electric guide rail is arranged on two sides of the connecting frame, the connecting plate is connected between moving bodies of the two electric guide rails, the pressure gauge is arranged in the middle of the top of the connecting plate, the first fixing stud is connected to the bottom of the connecting plate, and the sensing end of the pressure gauge penetrates through the first fixing stud. In addition, particularly preferred annotates liquid mechanism including the caisson body, baffle, fixed double-screw bolt second, water pump and annotate the liquid pipe, lower part is provided with the caisson body in the chassis, and the caisson body top is connected with the baffle down, evenly spaced is equipped with a plurality of weeping holes on the baffle, be connected with fixed double-screw bolt second in the middle of the baffle top, fixed double-screw bolt second inside is hollow setting, install the water pump in the caisson body down, the liquid end intercommunication of water pump has annotate the liquid pipe, annotate the liquid pipe with fixed double-screw bolt second inside intercommunication. In addition, particularly preferred, extrusion testing mechanism is including air pump, gas filling pipe, slide bar, carriage, lead screw motor, cylinder body, extrusion post, elastic component and solenoid valve, the air pump is installed at the carriage top, sliding connection has the slide bar on the connecting plate, the carriage is installed to the slide bar bottom, install the lead screw motor on the connecting plate, the lead screw of lead screw motor with the carriage rotates to be connected, the cylinder body is all installed to the carriage both sides, sliding connection has the extrusion post, the extrusion post with be connected with the elastic component between the cylinder body, the cylinder body bottom is provided with the solenoid valve, the gas filling pipe with the cylinder body intercommunication. In addition, particularly preferred is, still including protection machanism, protection machanism is including protecting soft cover and connecting