CN111912702A - Blasting test equipment for hydraulic pipe production and operation method thereof - Google Patents

Abstract

The invention discloses a blasting test device for hydraulic pipe production, which comprises a test box, a hydraulic cylinder, a push plate, a cover plate, a sealing sleeve, a positioning block, a pipe body, an infusion pump and a controller, and is characterized in that: the proof box setting on the support, the pneumatic cylinder setting in proof box bottom, the push pedal setting on the piston rod, sealing sleeve set up on the connecting plate, the locating piece setting on the fixed plate, body one end insert in the sealing sleeve, the transfer pump setting on the apron, be provided with pipette, transfer line on the transfer pump to be connected pipette and proof box bottom lateral wall, the controller setting on the apron. According to the invention, the sealing gasket is arranged on the inner wall of the sealing sleeve, the sealing performance between the sealing sleeve and the pipe body is improved through the sealing gasket, the liquid oil in the pipe body is prevented from flowing out, the sealing performance of the hydraulic pipe in the blasting test process is improved, and the precision of the test result is enhanced.

Description

Blasting test equipment for hydraulic pipe production and operation method thereof

Technical Field

The invention relates to the technical field of hydraulic pipe production, in particular to a blasting test device for hydraulic pipe production and an operation method thereof.

Background

The hydraulic hose generally needs to be subjected to bursting test detection after production, and the key point is to detect the mechanical property and the pressure-resistant limit of the hydraulic hose, so that the hydraulic hose is very reliable when in use, for example, the patent with the application number of 201720358604.2 discloses a hydraulic hose bursting test device, which solves the problems of low automation, low safety performance and excessive consumption of manpower and material resources, but has the problems of poor sealing property of the hydraulic hose in the test process, small quantity of hydraulic hoses for one-time test and low precision of test results.

Disclosure of Invention

The invention aims to solve the problems of poor sealing performance of hydraulic pipes in the test process, small quantity of hydraulic pipes in one test and low test result precision of the conventional hydraulic pipe explosion test device, and provides explosion test equipment for producing the hydraulic pipes, which has the advantages of reasonable structural design, good sealing performance of the hydraulic pipes in the test process, large quantity of hydraulic pipes in one test and high test result precision, and an operation method thereof.

The technical scheme adopted for solving the technical problem is as follows:

the utility model provides a blast test equipment is used in hydraulic pipe production, includes proof box, pneumatic cylinder, push pedal, apron, sealing sleeve, locating piece, body, transfer pump and controller, its characterized in that: the test box is arranged on the support, the test box is internally provided with a transverse-structure partition plate, a vertical-structure filter screen is arranged between the partition plate and the bottom of the test box, the partition plate on one side of the filter screen is provided with a sieve hole, liquid oil can be sucked out by the infusion pump after being filtered by the sieve hole and the filter screen in the test box, the liquid oil in the test box can be filtered, the liquid oil can be recycled conveniently, the utilization efficiency of the liquid oil is improved, the hydraulic cylinder is arranged at the bottom of the test box, the hydraulic cylinder is provided with a piston rod which vertically extends into the test box and vertically penetrates through the partition plate, the push plate is arranged on the piston rod, the connecting plate is vertically arranged on the push plate, the hydraulic cylinder and the piston rod push the push plate out of the test box, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve, and the sealing column is inserted into the, the other end of the pipe body is provided with a pipe connector and is connected with a liquid through pipe, the cover plate is connected with the connecting plate, in the hydraulic pipe explosion test process, the cover plate covers the test box, fragments generated by explosion are prevented from popping out of the test box, the safety performance is improved, the sealing sleeve is arranged on the connecting plate, a sealing column is arranged in the sealing sleeve, a pressure sensor is arranged on the sealing column, the positioning block is arranged on the fixing plate, the liquid through pipe is arranged on the positioning block, one end of the pipe body is inserted into the sealing sleeve, the sealing column is inserted into the pipe body, the pipe connector is arranged at the other end of the pipe body and is connected with the liquid through pipe, the infusion pump is arranged on the cover plate, the infusion pump is provided with a liquid suction pipe and an infusion pipe and is connected with the side wall at the bottom of the test box, and the controller is arranged on the cover plate, an operating button, a display screen and a power line are arranged on the controller, the power line on the controller is connected with an external power supply to provide power for the work of a hydraulic cylinder, an infusion pump and a pressure sensor, the hydraulic cylinder and a piston rod push a push plate out of a test box, one end of a hydraulic tube to be tested is inserted into a sealing sleeve, a sealing column is inserted into the tube body, a tube connector is arranged at the other end of the tube body and is connected with a liquid through tube, the infusion pump sucks liquid oil out through a pipette, the liquid oil is conveyed into an inner cavity of a positioning block through the infusion tube and conveyed into the tube body through the liquid through tube and the tube connector, the pressure in the tube body is enhanced, the bearing pressure of the hydraulic tube is tested, the pressure sensor of the sealing column can reflect the pressure in the tube body into the display screen on the controller through a connecting wire, and is convenient for a worker to record the pressure when, the accuracy of hydraulic pressure pipe blasting test result is improved.

Preferably, the baffle in the proof box on be provided with the sieve mesh, be provided with on the baffle and keep off the ring, and keep off the ring with the vertical passing of piston rod, be provided with the sieve mesh on the baffle of filter screen one side, make the liquid oil can pass through the sieve mesh in the proof box, the filtration back of filter screen is by the transfer pump suction, can carry out filtration treatment to the liquid oil in the proof box, through keeping off the rising or the decline of the piston rod of being convenient for of ring, the impurity of avoiding the pneumatic cylinder blasting to produce flows out between baffle and the piston rod, make the liquid oil who carries impurity fully filter through the sieve mesh, the recycling of the liquid oil of being convenient for, the utilization efficiency of liquid oil has been.

Preferably, the push pedal on be provided with the flowing back groove that runs through the push pedal from top to bottom, hydraulic pressure pipe blasting back, the impurity that the body produced falls on the push pedal, the liquid oil in the body falls through the flowing back groove, makes the impurity of blasting fall on the push pedal, is convenient for clear up impurity, has improved work efficiency.

Preferably, the structure that leads to the liquid pipe on sealing sleeve and the locating piece set up to the one-to-one, be provided with the inner chamber in the locating piece, and with inner chamber and liquid pipe, transfer line intercommunication, insert the hydraulic pressure pipe one end that will be experimental in the sealing sleeve, the sealing post inserts in the body, be provided with the coupling piece at the body other end, and with coupling piece and leading to the liquid union coupling, the transfer pump passes through the pipette with the liquid oil suction, carry the inner chamber of locating piece through the transfer line, and through leading to the liquid pipe, the coupling piece is carried to the body in, strengthen the internal pressure of body, carry out the experiment to the bearing pressure of hydraulic pressure pipe, set up the structure that leads to the liquid pipe on sealing sleeve and the locating piece to the one-to-one, be convenient for carry out the blasting test to many hydraulic pressure pipes simultaneously, can improve the work efficiency.

Preferably, sealing sleeve on the cover be equipped with the tighrening ring, through threaded connection between tighrening ring and the sealing sleeve, body one end is passed the tighrening ring and is inserted in sealing sleeve, screws up the tighrening ring, makes the one end of body firmly fix in sealing sleeve, improves the stability of body in sealing sleeve, and then improves the precision of test result.

Preferably, the inner wall of the sealing sleeve is provided with a sealing gasket, the sealing performance between the sealing sleeve and the pipe body is improved through the sealing gasket, the outflow of liquid oil in the pipe body is avoided, the sealing performance of the hydraulic pipe in the process of the blasting test is improved, and the precision of the test result is enhanced.

Preferably, the controller is respectively connected with the hydraulic cylinder, the infusion pump and the pressure sensor through connecting wires, a power line on the controller is connected with an external power supply, the power supply can be provided for the work of the hydraulic cylinder, the infusion pump and the pressure sensor, the hydraulic cylinder and the piston rod push the push plate out of the test box, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve, the sealing column is inserted into the pipe body, the pipe connector is arranged at the other end of the pipe body and is connected with the liquid pipe, the infusion pump sucks out liquid oil through the liquid pipe, the liquid oil is conveyed into the inner cavity of the positioning block through the infusion pipe and is conveyed into the pipe body through the liquid pipe and the pipe connector, the pressure in the pipe body is enhanced, the bearing pressure of the hydraulic pipe is tested, the pressure sensor of the sealing column can reflect the pressure in the pipe body into a display screen on the controller through the connecting wires, and is convenient for a worker to, the accuracy of hydraulic pressure pipe blasting test result is improved.

An operation method of a blasting test device suitable for producing a hydraulic pipe is characterized by comprising the following steps:

firstly, the method comprises the following steps: checking whether the line of the blasting test equipment for producing the hydraulic pipe is normal or not, and whether the hydraulic cylinder and the infusion pump can work normally or not;

secondly, the method comprises the following steps: injecting liquid oil into the test box, starting a hydraulic cylinder through a controller, pushing a push plate out of the test box through the hydraulic cylinder and a piston rod, inserting one end of a hydraulic pipe to be tested into a sealing sleeve, inserting a sealing column into the pipe body, arranging a pipe connector at the other end of the pipe body, connecting the pipe connector with a liquid through pipe, starting the hydraulic cylinder, pulling the push plate into the test box through the hydraulic cylinder and the piston rod, and covering the top of the test box through a cover plate;

thirdly, the method comprises the following steps: the infusion pump is started through the controller, liquid oil is sucked out of the infusion pump through the pipette, the liquid oil is conveyed into the inner cavity of the positioning block through the infusion pipe and conveyed into the pipe body through the liquid conveying pipe and the pipe connector, the pressure in the pipe body is enhanced, the bearing pressure of the hydraulic pipe is tested, the pressure sensor of the sealing column can reflect the pressure in the pipe body into the display screen on the controller through the connecting line, and therefore pressure of workers during blasting of the hydraulic pipe can be conveniently recorded;

fourthly: after the hydraulic pipe is blasted, the hydraulic cylinder is started, the push plate is pushed out from the test box by the hydraulic cylinder and the piston rod, residues on the push plate after the hydraulic pipe is blasted are cleaned, and a new pipe body is placed between the sealing sleeve and the liquid through pipe to perform a blasting test again;

fifth, the method comprises the following steps: after the hydraulic pipe explosion test is completed, the infusion pump and the hydraulic cylinder are closed, impurities generated in the hydraulic pipe explosion test process are cleaned, and the power supply is cut off.

Has the advantages that: the sealing sleeve and the liquid through pipes on the positioning block are arranged into a one-to-one corresponding structure, the inner cavity is arranged in the positioning block and is communicated with the liquid through pipes and liquid conveying pipes, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve, the sealing column is inserted into the pipe body, the other end of the pipe body is provided with the pipe connecting piece which is connected with the liquid through pipes, a liquid conveying pump sucks liquid oil through a liquid sucking pipe, the liquid oil is conveyed into the inner cavity of the positioning block through the liquid conveying pipes and conveyed into the pipe body through the liquid through pipes and the pipe connecting piece, the pressure in the pipe body is enhanced, the bearing pressure of the hydraulic pipe is tested, the sealing sleeve and the liquid through pipes on the positioning block are arranged into a one-to-one corresponding structure, the blasting test of a plurality of hydraulic pipes can be conveniently and simultaneously carried out.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a partial structural view of the present invention, showing a connection structure of a pushing plate and a drain tank.

FIG. 3 is a partial structural diagram of the present invention, illustrating the connection structure of the push plate and the connecting plate.

Fig. 4 is a partial structural schematic view of the present invention, illustrating a connection structure of a sealing sleeve and a sealing column.

Fig. 5 is a partial structural schematic view of the present invention, illustrating a connection structure of the positioning block and the inner cavity.

Fig. 6 is a partial structural view showing a connection structure of the separator and the screen hole according to the present invention.

Fig. 7 is a schematic diagram of another embodiment of the present invention.

In the figure: 1. the test box comprises a test box, a hydraulic cylinder, a push plate, a cover plate, a sealing sleeve, a positioning block, a pipe body, a liquid delivery pump, a controller, a support, a partition plate, a filter screen, a sieve hole, a piston rod, a baffle ring, a connecting plate, a liquid discharge groove, a fastening ring, a sealing column, a sealing gasket, a pressure sensor, a liquid passing pipe, an inner cavity, a pipe connecting piece, a liquid suction pipe, a liquid delivery pipe, an operation button, a display screen, a power line, a connecting line, a baffle rod and a cushion pad, wherein the test box comprises 2 parts, a hydraulic cylinder, 3 parts, a push plate, 4 parts, a cover plate, 5 parts.

Detailed Description

The invention will be described in more detail below with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-6, a blasting test equipment for hydraulic pipe production, including proof box 1, pneumatic cylinder 2, push pedal 3, apron 4, sealing sleeve 5, locating piece 6, body 7, transfer pump 8 and controller 9, its characterized in that: the test box 1 is arranged on the support 10, the partition plate 11 with a transverse structure is arranged in the test box 1, the filter screen 12 with a vertical structure is arranged between the partition plate 11 and the bottom of the test box 1, the sieve holes 13 are arranged on the partition plate 11 on one side of the filter screen 12, liquid oil can be sucked out by the infusion pump 8 after being filtered by the sieve holes 13 and the filter screen 12 in the test box 1, the liquid oil in the test box 1 can be filtered, the liquid oil can be recycled conveniently, the utilization efficiency of the liquid oil is improved, the hydraulic cylinder 2 is arranged at the bottom of the test box 1, the piston rod 14 is arranged on the hydraulic cylinder 2, the piston rod 14 vertically extends into the test box 1 and vertically penetrates through the partition plate 11, the push plate 3 is arranged on the piston rod 14, the connecting plate 16 is vertically arranged on the push plate 3, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out from the test box 1, one end of a hydraulic pipe to be tested is inserted into a sealing sleeve 5, a sealing column 19 is inserted into a pipe body 7, a pipe connector 24 is arranged at the other end of the pipe body 7, the pipe connector 24 is connected with a liquid through pipe 22, a cover plate 4 is connected with a connecting plate 16, the cover plate 4 covers a test box 1 in the hydraulic pipe explosion test process to prevent debris generated by explosion from popping out of the test box 1, the safety performance is improved, the sealing sleeve 5 is arranged on the connecting plate 16, the sealing column 19 is arranged in the sealing sleeve 5, a pressure sensor 21 is arranged on the sealing column 19, a positioning block 6 is arranged on a fixing plate, the liquid through pipe 22 is arranged on the positioning block 6, one end of the pipe body 7 is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the pipe connector 24 is arranged at the other end of the pipe body 7, and the pipe connector 24 is connected with the liquid through pipe 22, the infusion pump 8 is arranged on the cover plate 4, the infusion pump 8 is provided with a pipette 25 and an infusion tube 26, the pipette 25 is connected with the side wall of the bottom of the test box 1, the controller 9 is arranged on the cover plate 4, the controller 9 is provided with an operating button 27, a display screen 28 and a power line 29, the power line 29 on the controller 9 is connected with an external power supply, the power supply can be provided for the work of the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, one end of a hydraulic tube to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, the tube connector 24 is arranged at the other end of the tube body 7 and is connected with the tube connecting tube 22, the infusion pump 8 sucks out liquid oil through the pipette 25 and conveys the liquid oil into the inner cavity 23 of the positioning block, and the pressure intensity in the pipe body 7 is enhanced and the bearing pressure of the hydraulic pipe is tested by conveying the pressure intensity into the pipe body 7 through the liquid pipe 22 and the pipe connector 24, and the pressure intensity in the pipe body 7 can be reflected in the display screen 28 on the controller 9 through the connecting wire 30 by the pressure sensor 21 of the sealing column 19, so that the pressure of a worker during the blasting of the hydraulic pipe can be conveniently recorded, and the accuracy of the blasting test result of the hydraulic pipe is improved.

Preferably, baffle 11 in proof box 1 on be provided with sieve mesh 13, be provided with on baffle 11 and keep off ring 15, and keep off ring 15 with the vertical passing of piston rod 14, be provided with sieve mesh 13 on the baffle 11 of filter screen 12 one side, make the liquid oil can pass through sieve mesh 13 in proof box 1, the filtration back of filter screen 12 is by the suction of transfer pump 8, can carry out filtration treatment to the liquid oil in proof box 1, be convenient for piston rod 14's rising or decline through keeping off ring 15, avoid the impurity that pneumatic cylinder 2 blasting produced to flow out between baffle 11 and piston rod 14, make the liquid oil that carries impurity fully filter through sieve mesh 13, be convenient for the recycling of liquid oil, the utilization efficiency of liquid oil has been improved.

Preferably, push pedal 3 on be provided with run through push pedal 3's flowing back groove 17 from top to bottom, after the hydraulic pressure pipe blasting, the impurity that body 7 produced falls on push pedal 3, the liquid oil in body 7 falls through flowing back groove 17, makes the impurity of blasting fall on push pedal 3, is convenient for clear up impurity, has improved work efficiency.

Preferably, the sealing sleeve 5 and the liquid passing pipes 22 on the positioning block 6 are arranged in a one-to-one corresponding structure, an inner cavity 23 is arranged in the positioning block 6, the inner cavity 23 is communicated with the liquid passing pipes 22 and 26, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the other end of the pipe body 7 is provided with a pipe connector 24, the pipe connector 24 is connected with the liquid passing pipes 22, the liquid delivery pump 8 sucks liquid oil out through a liquid suction pipe 25, delivers the liquid oil into the inner cavity 23 of the positioning block 6 through the liquid passing pipe 26, delivers the liquid oil into the pipe body 7 through the liquid passing pipes 22 and the pipe connector 24, enhances the pressure in the pipe body 7, tests the bearing pressure of the hydraulic pipe, the sealing sleeve 5 and the liquid passing pipes 22 on the positioning block 6 are arranged in a one-to-one corresponding structure, so that a plurality of hydraulic, the accuracy of the test result can also be improved.

Preferably, sealing sleeve 5 on the cover be equipped with tighrening ring 18, through threaded connection between tighrening ring 18 and the sealing sleeve 5, body 7 one end is passed tighrening ring 18 and is inserted in sealing sleeve 5, screws up tighrening ring 18, makes the one end of body 7 firmly fix in sealing sleeve 5, improves the stability of body 7 in sealing sleeve 5, and then improves the precision of test result.

Preferably, the inner wall of the sealing sleeve 5 is provided with a sealing gasket 20, the sealing performance between the sealing sleeve 5 and the pipe body 7 is improved through the sealing gasket 20, the outflow of liquid oil in the pipe body 7 is avoided, the sealing performance of the hydraulic pipe in the process of a blasting test is improved, and the precision of the test result is enhanced.

Preferably, the controller 9 is connected with the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21 through a connecting line 30, a power line 29 on the controller 9 is connected with an external power supply, power can be provided for the work of the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the pipe connector 24 is arranged at the other end of the pipe body 7, the pipe connector 24 is connected with the liquid through pipe 22, the infusion pump 8 sucks liquid oil through the liquid suction pipe 25, conveys the liquid oil into the inner cavity 23 of the positioning block 6 through the liquid through pipe 26, conveys the liquid oil into the pipe body 7 through the liquid through pipe 22 and the pipe connector 24, the pressure in the pipe body 7 is enhanced, the bearing pressure of the hydraulic pipe is tested, the pressure sensor 21 of the sealing column 19 can reflect the, the pressure of staff when being convenient for to the hydraulic pressure pipe blasting carries out the record, improves the precision of hydraulic pressure pipe blasting test result.

An operation method of a blasting test device suitable for producing a hydraulic pipe is characterized by comprising the following steps:

firstly, the method comprises the following steps: checking whether the line of the blasting test equipment for producing the hydraulic pipe is normal or not, and whether the hydraulic cylinder 2 and the infusion pump 8 can work normally or not;

secondly, the method comprises the following steps: injecting liquid oil into the test box 1, starting the hydraulic cylinder 2 through the controller 9, pushing the push plate 3 out of the test box 1 by the hydraulic cylinder 2 and the piston rod 14, inserting one end of a hydraulic pipe to be tested into the sealing sleeve 5, inserting the sealing column 19 into the pipe body 7, arranging a pipe connector 24 at the other end of the pipe body 7, connecting the pipe connector 24 with the liquid through pipe 22, starting the hydraulic cylinder 2, pulling the push plate 3 into the test box 1 by the hydraulic cylinder 2 and the piston rod 14, and covering the top of the test box 1 by the cover plate 4;

thirdly, the method comprises the following steps: the infusion pump 8 is started through the controller 9, the infusion pump 8 sucks liquid oil through the pipette 25, the liquid oil is conveyed into the inner cavity 23 of the positioning block 6 through the infusion tube 26 and conveyed into the tube body 7 through the liquid through tube 22 and the tube connecting piece 24, the pressure in the tube body 7 is enhanced, the bearing pressure of the hydraulic tube is tested, the pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 into the display screen 28 on the controller 9 through the connecting line 30, and the pressure of the hydraulic tube during blasting can be conveniently recorded by a worker;

fourthly: after the hydraulic pipe is exploded, the hydraulic cylinder 2 is started, the push plate 3 is pushed out of the test box 1 by the hydraulic cylinder 2 and the piston rod 14, residues on the push plate 3 after the hydraulic pipe is exploded are cleaned, and a new pipe body 7 is placed between the sealing sleeve 5 and the liquid through pipe 22 for carrying out the explosion test again;

fifth, the method comprises the following steps: after the hydraulic pipe bursting test is completed, the infusion pump 8 and the hydraulic cylinder 2 are closed, impurities generated in the hydraulic pipe bursting test process are cleaned, and the power supply is cut off.

Example two:

as shown in the attached figure 7, the blasting test equipment for hydraulic pipe production comprises a test box 1, a hydraulic cylinder 2, a push plate 3, a cover plate 4, a sealing sleeve 5, a positioning block 6, a pipe body 7, an infusion pump 8 and a controller 9, and is characterized in that: the test box 1 is arranged on the support 10, the partition plate 11 with a transverse structure is arranged in the test box 1, the filter screen 12 with a vertical structure is arranged between the partition plate 11 and the bottom of the test box 1, the sieve holes 13 are arranged on the partition plate 11 on one side of the filter screen 12, liquid oil can be sucked out by the infusion pump 8 after being filtered by the sieve holes 13 and the filter screen 12 in the test box 1, the liquid oil in the test box 1 can be filtered, the liquid oil can be recycled conveniently, the utilization efficiency of the liquid oil is improved, the hydraulic cylinder 2 is arranged at the bottom of the test box 1, the piston rod 14 is arranged on the hydraulic cylinder 2, the piston rod 14 vertically extends into the test box 1 and vertically penetrates through the partition plate 11, the push plate 3 is arranged on the piston rod 14, the connecting plate 16 is vertically arranged on the push plate 3, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out from the test box 1, one end of a hydraulic pipe to be tested is inserted into a sealing sleeve 5, a sealing column 19 is inserted into a pipe body 7, a pipe connector 24 is arranged at the other end of the pipe body 7, the pipe connector 24 is connected with a liquid through pipe 22, a cover plate 4 is connected with a connecting plate 16, the cover plate 4 covers a test box 1 in the hydraulic pipe explosion test process to prevent debris generated by explosion from popping out of the test box 1, the safety performance is improved, the sealing sleeve 5 is arranged on the connecting plate 16, the sealing column 19 is arranged in the sealing sleeve 5, a pressure sensor 21 is arranged on the sealing column 19, a positioning block 6 is arranged on a fixing plate, the liquid through pipe 22 is arranged on the positioning block 6, one end of the pipe body 7 is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the pipe connector 24 is arranged at the other end of the pipe body 7, and the pipe connector 24 is connected with the liquid through pipe 22, the infusion pump 8 is arranged on the cover plate 4, the infusion pump 8 is provided with a pipette 25 and an infusion tube 26, the pipette 25 is connected with the side wall of the bottom of the test box 1, the controller 9 is arranged on the cover plate 4, the controller 9 is provided with an operating button 27, a display screen 28 and a power line 29, the power line 29 on the controller 9 is connected with an external power supply, the power supply can be provided for the work of the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, one end of a hydraulic tube to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, the tube connector 24 is arranged at the other end of the tube body 7 and is connected with the tube connecting tube 22, the infusion pump 8 sucks out liquid oil through the pipette 25 and conveys the liquid oil into the inner cavity 23 of the positioning block, and the pressure intensity in the pipe body 7 is enhanced and the bearing pressure of the hydraulic pipe is tested by conveying the pressure intensity into the pipe body 7 through the liquid pipe 22 and the pipe connector 24, and the pressure intensity in the pipe body 7 can be reflected in the display screen 28 on the controller 9 through the connecting wire 30 by the pressure sensor 21 of the sealing column 19, so that the pressure of a worker during the blasting of the hydraulic pipe can be conveniently recorded, and the accuracy of the blasting test result of the hydraulic pipe is improved.

Preferably, baffle 11 in proof box 1 on be provided with sieve mesh 13, be provided with on baffle 11 and keep off ring 15, and keep off ring 15 with the vertical passing of piston rod 14, be provided with sieve mesh 13 on the baffle 11 of filter screen 12 one side, make the liquid oil can pass through sieve mesh 13 in proof box 1, the filtration back of filter screen 12 is by the suction of transfer pump 8, can carry out filtration treatment to the liquid oil in proof box 1, be convenient for piston rod 14's rising or decline through keeping off ring 15, avoid the impurity that pneumatic cylinder 2 blasting produced to flow out between baffle 11 and piston rod 14, make the liquid oil that carries impurity fully filter through sieve mesh 13, be convenient for the recycling of liquid oil, the utilization efficiency of liquid oil has been improved.

Preferably, push pedal 3 on be provided with run through push pedal 3's flowing back groove 17 from top to bottom, after the hydraulic pressure pipe blasting, the impurity that body 7 produced falls on push pedal 3, the liquid oil in body 7 falls through flowing back groove 17, makes the impurity of blasting fall on push pedal 3, is convenient for clear up impurity, has improved work efficiency.

Preferably, the sealing sleeve 5 and the liquid passing pipes 22 on the positioning block 6 are arranged in a one-to-one corresponding structure, an inner cavity 23 is arranged in the positioning block 6, the inner cavity 23 is communicated with the liquid passing pipes 22 and 26, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the other end of the pipe body 7 is provided with a pipe connector 24, the pipe connector 24 is connected with the liquid passing pipes 22, the liquid delivery pump 8 sucks liquid oil out through a liquid suction pipe 25, delivers the liquid oil into the inner cavity 23 of the positioning block 6 through the liquid passing pipe 26, delivers the liquid oil into the pipe body 7 through the liquid passing pipes 22 and the pipe connector 24, enhances the pressure in the pipe body 7, tests the bearing pressure of the hydraulic pipe, the sealing sleeve 5 and the liquid passing pipes 22 on the positioning block 6 are arranged in a one-to-one corresponding structure, so that a plurality of hydraulic, the accuracy of the test result can also be improved.

Preferably, sealing sleeve 5 on the cover be equipped with tighrening ring 18, through threaded connection between tighrening ring 18 and the sealing sleeve 5, body 7 one end is passed tighrening ring 18 and is inserted in sealing sleeve 5, screws up tighrening ring 18, makes the one end of body 7 firmly fix in sealing sleeve 5, improves the stability of body 7 in sealing sleeve 5, and then improves the precision of test result.

Preferably, the inner wall of the sealing sleeve 5 is provided with a sealing gasket 20, the sealing performance between the sealing sleeve 5 and the pipe body 7 is improved through the sealing gasket 20, the outflow of liquid oil in the pipe body 7 is avoided, the sealing performance of the hydraulic pipe in the process of a blasting test is improved, and the precision of the test result is enhanced.

Preferably, the controller 9 is connected with the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21 through a connecting line 30, a power line 29 on the controller 9 is connected with an external power supply, power can be provided for the work of the hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, one end of a hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the pipe body 7, the pipe connector 24 is arranged at the other end of the pipe body 7, the pipe connector 24 is connected with the liquid through pipe 22, the infusion pump 8 sucks liquid oil through the liquid suction pipe 25, conveys the liquid oil into the inner cavity 23 of the positioning block 6 through the liquid through pipe 26, conveys the liquid oil into the pipe body 7 through the liquid through pipe 22 and the pipe connector 24, the pressure in the pipe body 7 is enhanced, the bearing pressure of the hydraulic pipe is tested, the pressure sensor 21 of the sealing column 19 can reflect the, the pressure of staff when being convenient for to the hydraulic pressure pipe blasting carries out the record, improves the precision of hydraulic pressure pipe blasting test result.

Preferably, the push plate 3 is vertically provided with a blocking rod 31, so that the pipe body 7 is placed between the blocking rod 31 and the blocking rod 31, and in the blasting process of the hydraulic pipe, the blocking rod 31 plays a role in blocking the blasted hydraulic pipe, thereby avoiding the impurities of the blasted hydraulic cylinder 2 from bouncing randomly and improving the safety performance.

Preferably, the cover plate 4 is provided with the buffer cushion 32, and the buffer cushion 32 can buffer impurities generated by blasting of the hydraulic pipe, so that the impact force of the impurities is reduced, and the safety performance is further improved.

An operation method of a blasting test device suitable for producing a hydraulic pipe is characterized by comprising the following steps:

firstly, the method comprises the following steps: checking whether the line of the blasting test equipment for producing the hydraulic pipe is normal or not, and whether the hydraulic cylinder 2 and the infusion pump 8 can work normally or not;

secondly, the method comprises the following steps: injecting liquid oil into the test box 1, starting the hydraulic cylinder 2 through the controller 9, pushing the push plate 3 out of the test box 1 by the hydraulic cylinder 2 and the piston rod 14, inserting one end of a hydraulic pipe to be tested into the sealing sleeve 5, inserting the sealing column 19 into the pipe body 7, arranging a pipe connector 24 at the other end of the pipe body 7, connecting the pipe connector 24 with the liquid through pipe 22, starting the hydraulic cylinder 2, pulling the push plate 3 into the test box 1 by the hydraulic cylinder 2 and the piston rod 14, and covering the top of the test box 1 by the cover plate 4;

thirdly, the method comprises the following steps: the infusion pump 8 is started through the controller 9, the infusion pump 8 sucks liquid oil through the pipette 25, the liquid oil is conveyed into the inner cavity 23 of the positioning block 6 through the infusion tube 26 and conveyed into the tube body 7 through the liquid through tube 22 and the tube connecting piece 24, the pressure in the tube body 7 is enhanced, the bearing pressure of the hydraulic tube is tested, the pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 into the display screen 28 on the controller 9 through the connecting line 30, and the pressure of the hydraulic tube during blasting can be conveniently recorded by a worker;

fourthly: after the hydraulic pipe is exploded, the hydraulic cylinder 2 is started, the push plate 3 is pushed out of the test box 1 by the hydraulic cylinder 2 and the piston rod 14, residues on the push plate 3 after the hydraulic pipe is exploded are cleaned, and a new pipe body 7 is placed between the sealing sleeve 5 and the liquid through pipe 22 for carrying out the explosion test again;

fifth, the method comprises the following steps: after the hydraulic pipe bursting test is completed, the infusion pump 8 and the hydraulic cylinder 2 are closed, impurities generated in the hydraulic pipe bursting test process are cleaned, and the power supply is cut off.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims (8)

1. The utility model provides a blast test equipment is used in hydraulic pipe production, includes proof box, pneumatic cylinder, push pedal, apron, sealing sleeve, locating piece, body, transfer pump and controller, its characterized in that: the test box is arranged on the bracket, a transverse-structure partition board is arranged in the test box, a vertical-structure filter screen is arranged between the partition board and the bottom of the test box, the hydraulic cylinder is arranged at the bottom of the test box, a piston rod is arranged on the hydraulic cylinder, the piston rod vertically extends into the test box and vertically penetrates through the partition board, the push plate is arranged on the piston rod, a connecting plate is vertically arranged on the push plate, the cover plate is connected with the connecting plate, the sealing sleeve is arranged on the connecting plate, a sealing column is arranged in the sealing sleeve, a pressure sensor is arranged on the sealing column, the positioning block is arranged on the fixing plate, a liquid through pipe is arranged on the positioning block, one end of the pipe body is inserted into the sealing sleeve, the sealing column is inserted into the pipe body, a pipe connecting piece is arranged at the other end of the pipe body, and the pipe connecting piece is connected with, the transfer pump set up on the apron, be provided with pipette, transfer line on the transfer pump to be connected pipette and proof box bottom lateral wall, the controller setting on the apron to be provided with operating button, display screen, power cord on the controller.

2. The burst test apparatus for hydraulic pipe production according to claim 1, wherein: sieve holes are arranged on the partition board in the test box, a baffle ring is arranged on the partition board, and the piston rod vertically penetrates through the baffle ring.

3. The burst test apparatus for hydraulic pipe production according to claim 1, wherein: and a liquid discharge groove which penetrates through the push plate up and down is arranged on the push plate.

4. The burst test apparatus for hydraulic pipe production according to claim 1, wherein: the sealing sleeve and the liquid through pipes on the positioning block are arranged in a one-to-one corresponding structure, an inner cavity is arranged in the positioning block, and the inner cavity is communicated with the liquid through pipes and the liquid conveying pipe.

5. The burst test apparatus for hydraulic pipe production according to claim 1 or 4, wherein: the sealing sleeve is sleeved with a fastening ring.

6. The burst test apparatus for hydraulic pipe production according to claim 1 or 4, wherein: and a sealing gasket is arranged on the inner wall of the sealing sleeve.

7. The burst test apparatus for hydraulic pipe production according to claim 1, wherein: the controller is respectively connected with the hydraulic cylinder, the infusion pump and the pressure sensor through connecting wires.

8. An operating method of the burst test apparatus for hydraulic pipe production according to claim 1, comprising the steps of:

firstly, the method comprises the following steps: checking whether the line of the blasting test equipment for producing the hydraulic pipe is normal or not, and whether the hydraulic cylinder and the infusion pump can work normally or not;

secondly, the method comprises the following steps: injecting liquid oil into the test box, starting a hydraulic cylinder through a controller, pushing a push plate out of the test box through the hydraulic cylinder and a piston rod, inserting one end of a hydraulic pipe to be tested into a sealing sleeve, inserting a sealing column into the pipe body, arranging a pipe connector at the other end of the pipe body, connecting the pipe connector with a liquid through pipe, starting the hydraulic cylinder, pulling the push plate into the test box through the hydraulic cylinder and the piston rod, and covering the top of the test box through a cover plate;

thirdly, the method comprises the following steps: the infusion pump is started through the controller, liquid oil is sucked out of the infusion pump through the pipette, the liquid oil is conveyed into the inner cavity of the positioning block through the infusion pipe and conveyed into the pipe body through the liquid conveying pipe and the pipe connector, the pressure in the pipe body is enhanced, the bearing pressure of the hydraulic pipe is tested, the pressure sensor of the sealing column can reflect the pressure in the pipe body into the display screen on the controller through the connecting line, and therefore pressure of workers during blasting of the hydraulic pipe can be conveniently recorded;

fourthly: after the hydraulic pipe is blasted, the hydraulic cylinder is started, the push plate is pushed out from the test box by the hydraulic cylinder and the piston rod, residues on the push plate after the hydraulic pipe is blasted are cleaned, and a new pipe body is placed between the sealing sleeve and the liquid through pipe to perform a blasting test again;

fifth, the method comprises the following steps: after the hydraulic pipe explosion test is completed, the infusion pump and the hydraulic cylinder are closed, impurities generated in the hydraulic pipe explosion test process are cleaned, and the power supply is cut off.

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