CN212059712U - A batch pressure test and drying equipment for inclined steel pipe assembly - Google Patents

Abstract

The utility model discloses a batch pressure-testing and drying equipment for inclined steel pipe assemblies, which comprises a frame, on which a groove body, a placing plate, a tooling component for clamping products, and a pressing device for pressing the products are framed on the frame. Tightening components, movable front and rear port water weather quick-installing components, tooling components include a plurality of support blocks for supporting and erecting welded inclined steel pipe assemblies, and the support blocks are respectively provided with card slots for easy clamping of the pipe body ; The pressing component includes a reversible pressure head driven by a pressing cylinder; the movable front and rear port water weather quick-install components include front and rear pressing throats that are horizontally arranged with the front port water, the front and rear The forward and backward movement of the press-fit throat is driven by the press-fit cylinders on one side respectively. The utility model can realize the purpose of testing a plurality of inclined steel pipes at one time, and has high assembly efficiency. At the same time, the equipment blows air inside the steel pipe after the pressure testing experiment, which can realize the drying process and realize the integration of the pressure testing and drying processes. Simplify and improve work efficiency.

Description

A batch pressure test and drying equipment for inclined steel pipe assembly

Technical field:

The utility model relates to the field of batch production, processing and testing of inclined steel pipe assemblies, and mainly relates to a batch pressure test and drying equipment for inclined steel pipe assemblies.

Background technique:

The oil pipe steel pipe assembly connected by the forklift tilting cylinder and the multi-way valve is also called the inclined steel pipe assembly. The inclined steel pipe assembly has a large amount and a single variety. Since the inclined steel pipe assembly is formed by welding, it is necessary to ensure the welding effect. Generally, the pressure resistance test is carried out. The pressure resistance is 40MPa and the time is 3 minutes. No leakage means that the welding effect is good, and leakage means that the inclined steel pipe assembly is unqualified. , and then proceed to the next step; the pressure test and drying process of the existing inclined steel pipe assembly are all realized manually. First, in the pressure test process, the inclined steel pipe is connected and sealed through transition joints and plugs. , the process is very time-consuming and labor-intensive, and the pressure test is carried out. After the test, the qualified parts are subjected to the drying process. The drying process is also carried out by taking an air gun by hand, but it is actually difficult to dry the residual water inside, and The efficiency is very low and cannot meet the requirements of mass production.

Utility model content:

The purpose of the utility model is to make up for the defects of the prior art, and to provide a batch pressure test and drying equipment for inclined steel pipe assemblies, which can realize the purpose of testing multiple inclined steel pipes at one time, and has high assembly efficiency. After the experiment, blowing air inside the steel pipe can realize the drying process, simplify the process of pressure test and drying, and improve the work efficiency.

The utility model is achieved through the following technical solutions:

A batch pressure-testing and drying equipment for inclined steel pipe assemblies, comprising a frame on which a test bench is set up, the test bench comprising a trough body, and a plurality of spaced placements are distributed on the trough body Plates, each of which is a detection station, and each detection station is provided with a tooling component for clamping products, a pressing component for pressing products, and a movable front port. And removable rear port weather quick assembly;

The tooling assembly includes a plurality of support blocks for supporting and erecting the welded inclined steel pipe assembly, the support blocks are respectively provided with clamping grooves for easy clamping of the pipe body, and mounting holes are distributed on the support blocks, and It is fixedly installed on the placement plate of the corresponding station through the fixing pin;

The pressing components are in multiple groups, which are distributed at intervals on the horizontally arranged pipe body of the inclined steel pipe assembly. The pressing components include a reversible pressing head driven by a pressing cylinder. The bottom end faces are respectively provided with clamping grooves matched with the pipe body;

The movable front port water weather quick-installation assembly includes a front press-fit throat pipe that is horizontally arranged to be connected with the front port water weather pipe. The rear end of the throat pipe is provided with a connecting pipe 1 which is connected to its inner channel and is used for connecting the confluence pipe, and the front and rear movement of the front pressing throat pipe is driven by the pressing cylinder 1 on one side thereof;

The movable rear port water weather quick-installation assembly includes a rear compression throat pipe that is vertically arranged to be connected with the rear port water weather, and the rear compression throat pipe is provided with a channel for docking with the rear port water weather. The middle part of the rear compression throat is provided with a connecting pipe 2 which is connected to its inner channel and is used to connect the confluence pipe. The up and down movement of the rear compression throat is respectively driven by the second vertically arranged compression cylinder on one side of the rear compression throat. .

One end of the frame is provided with an operation table, manual operation buttons are distributed on the operation table, and a controller is arranged in the operation table.

The tank body is provided with a reversible safety shield, one side of the safety shield is provided with an observation window for easy observation, and a lighting lamp is installed on the inner end face of the safety shield.

Both ends of the placement plate are placed on the fixed beams on both sides of the tank body.

The pressing cylinder is arranged vertically upward, its bottom end face is placed on the corresponding placing plate, the rear end of the pressing head is hinged on the end of the piston rod of the pressing cylinder, and the rear end of the pressing head The lug plate is rotatably connected with the support plate below it, the support plate is also provided with a limit groove for clamping and limiting, and the upper end of the pressing cylinder is fixed to the support plate by fixing ears.

There is a support seat below the front press-fit throat, the support seat is provided with a sleeve that guides and cooperates with the front press-fit throat, and the front end of the sleeve is used for clamping and fixing the front port water. The first clamping and fixing ear, the front port water is fixed on the first clamping and fixing ear by screwing the fixing nut at its end, and the front end of the front pressing throat is provided with a tapered shape that matches with the front port's water and weather end. A plug connector is provided with a rubber sealing sleeve on the tapered plug connector.

The front press-fitting throat pipe and the press-fitting cylinder one are arranged horizontally side by side, the piston rod of the press-fitting cylinder one extends out and the rear end of the front press-fitting throat pipe is connected by a connecting plate, and the press-fitting cylinder one is fixed. Installed on the support base.

The inner side of the rear compression throat is provided with a support, the outer side of the support is clamped with a guide sleeve for guiding and matching with the rear compression throat, and the upper end of the guide sleeve is provided with a clamp for clamping. The second clamping fixing ear for fixing the front port water, the rear port water is fixed on the clamping fixing ear two by screwing the fixing nut at its end, and the upper end of the rear pressing throat is provided with the rear port water. A conical plug connector to which the waiting end is matched is provided with a rubber sealing sleeve.

The rear compression throat pipe and the second compression cylinder are arranged vertically side by side, the piston rod of the second compression cylinder extends out and the lower end of the front compression throat is connected through a connecting plate, and the second compression cylinder is fixedly installed on the stand.

The confluence pipeline connected by the connecting pipe is connected with a water delivery pipeline and an air delivery pipeline, the water delivery pipeline is connected to the test medium box, and a low-pressure pump, a high-pressure pump and a corresponding control valve arranged in parallel are installed in the pipeline. , a blowing valve is installed on the gas transmission pipeline, an exhaust pipeline is connected to the confluence pipeline connected by the connecting pipe two, the exhaust pipeline is connected to the test medium box, and an exhaust valve is installed on the exhaust pipeline.

The principle is that the inclined steel pipe assembly can be quickly clamped and fixed through the setting of the tooling components, and since there are multiple detection stations on the test bench, multiple inclined steel pipe assemblies can be installed at one time, so as to realize For the purpose of testing multiple inclined steel pipes at one time, the inclined steel pipe assembly can be directly clamped to the groove on the support block during clamping, which is convenient and fast to operate. Pressing, the distribution of the pressing components corresponds to the distribution of the horizontal pipe body of the inclined steel pipe assembly, and the pressing head can be directly driven by the air cylinder. The port water weather quick-install component seals the front port water and the back end of the inclined steel pipe assembly, and then the exhaust valve is opened, the low-pressure pump acts, completely fills the test workpiece with water, the exhaust valve is closed, and the high-pressure pump works, The system is pressurized. After the belt reaches the set pressure, the high-pressure pump is turned off, and the system performs pressure-holding timing. When the pressure-holding time is up, the exhaust valve is opened, and the system is depressurized. At the same time, the blowing valve is opened, and the compressed air enters the test tube. The test medium in the tube body is flushed and blown dry until the predetermined time is reached, and the test is completed when the tube body is blown dry. The exhaust and flushing are time-controlled, and the time is set according to experience. In summary, the overall assembly efficiency is high, and at the same time, the equipment can directly blow air into the steel pipe after the pressure test experiment, which can realize the drying process, realize the simplification of the pressure testing and drying process, and improve the work efficiency.

The advantages of the utility model are:

The utility model has a reasonable structure design, can achieve the purpose of testing a plurality of inclined steel pipes at one time, and has high assembly efficiency. At the same time, the equipment blows air into the steel pipe after the pressure testing experiment, which can realize the drying process and realize the pressure testing and blowing. The dry process is simplified and the work efficiency is improved, which satisfies the purpose of mass production pressure test.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial structure enlarged view of Fig. 1;

Fig. 3 is a structural schematic diagram of removing the pressing component on a detection station;

Fig. 4 is the partial structure schematic diagram of the movable rear port weather quick assembly assembly;

Figure 5 is a schematic structural diagram of a compression assembly;

Fig. 6 is the structural representation of the working flow of the utility model;

FIG. 7 is a system diagram of the pressure test principle of the utility model.

Detailed ways:

See attached image.

A batch pressure-testing and drying equipment for inclined steel pipe assemblies, comprising a frame 1 on which a test bench is set up, and the test bench includes a tank body 2 on which a plurality of The placement plates 3 arranged at intervals, each placement plate 3 is a detection station, and each detection station is respectively provided with a tooling component 4 for clamping products, a pressing component 5 for pressing products, and The mobile front port weather quick-installation assembly 6 and the movable rear port water weather quick-installation assembly 7;

The tooling assembly 4 includes a plurality of supporting blocks 4-1 for supporting and erecting the welded inclined steel pipe assembly 8. The supporting blocks 4-1 are respectively provided with clamping slots 4-2 for convenient clamping of the pipe body. The support block 4-1 is distributed with mounting holes, and is fixedly mounted on the placement plate 3 of the corresponding station by fixing pins;

The pressing components 5 are in multiple groups, which are distributed at intervals on the horizontally arranged pipe bodies of the inclined steel pipe assembly 8. The pressing components 5 include a reversible pressing head driven by a pressing cylinder 5-3. 5-1, the bottom end face of the indenter 5-1 is respectively provided with a clamping groove 5-2 which is matched with the pipe body;

The movable front port water weather quick-installation assembly 6 includes a front press-fit throat 6-1 that is horizontally arranged to be connected with the front port water chamber 9. The front press-fit throat pipe 6-1 is provided with a front port water chamber. The butted channel, the rear end of the front compression throat pipe 6-1 is provided with a connecting pipe 6-2 which is connected to its internal channel and is used to connect the confluence pipe. The front compression throat pipe 6-1 The forward and backward movement is driven by the pressing cylinder one 6-3 on one side;

The movable rear port water weather quick assembly 7 includes a rear compression throat pipe 7-1 that is vertically arranged in abutment with the rear port weather 10. The rear compression throat pipe 7-1 is provided with a The port is a channel for docking with water, the middle of the rear compression throat pipe 7-1 is provided with a connecting pipe 2 7-2 which is connected to its internal channel and is used to connect the confluence pipeline, and the rear compression throat pipe 7-1 is provided. The up and down movement is driven by the vertically arranged pressing cylinder two 7-3 on one side.

One end of the rack 1 is erected with an operating table 11 , and manual operation buttons are distributed on the operating table 11 , and a controller is arranged in the operating table 11 .

The tank body 2 is provided with a reversible safety shield 12 , one side of the safety shield 12 is provided with an observation window 13 for easy observation, and an inner end surface of the safety shield 12 is provided with a lighting lamp.

Both ends of the placing plate 3 are placed on the fixed beams on both sides of the tank body.

The pressing cylinder 5-3 is arranged vertically upward, and its bottom end face is placed on the corresponding placing plate 3, and the rear end of the pressing head 5-1 is hinged to the piston rod end of the pressing cylinder 5-3. The rear end of the indenter 5-1 is rotatably connected to the support plate 5-4 below it through the lug plate. The support plate 5-4 is also provided with a limit groove for clamping The upper end of the cylinder body of the pressing cylinder 5-3 is fixedly connected to the supporting plate 5-4 through the fixing ears 5-5.

A support seat 14 is provided below the front press-fit throat pipe 6-1. The support seat 14 is provided with a sleeve 15 that guides and cooperates with the front press-fit throat pipe 6-1. The front end of the sleeve 15 The first part is used for clamping and fixing the snap-fitting fixing ear 1 16 of the front port. The front end of the connector is provided with a conical plug fitting matched with the water weather end of the front port, and a rubber sealing sleeve is sleeved on the conical plug fitting.

The front press-fitting throat pipe 6-1 and the press-fitting cylinder one 6-3 are arranged horizontally side by side, and the piston rod of the press-fitting cylinder one 6-3 extends out and the rear end of the front press-fitting throat pipe passes through the connecting plate. connected, the press-fit cylinder 1 6-3 is fixedly installed on the support base 14 .

The inner side of the rear compression throat pipe 7-1 is provided with a support 17, and the outer side of the support 17 is clamped with a guide sleeve 18 for guiding and matching with the rear compression throat pipe 7-1. The upper end of the sleeve 18 is provided with a snap-on fixing ear 2 19 for snap-fitting and fixing the front port water, and the rear port water is fixed on the snap-on fixing ear 2 19 by screwing a fixing nut at its end, and the rear pressure The upper end of the throat closing pipe 7-1 is provided with a conical plug fitting matched with the water weather end of the rear port, and a rubber sealing sleeve is sleeved on the conical plug fitting.

The rear compression throat pipe 7-1 and the second compression cylinder 7-3 are arranged vertically side by side, and the piston rod of the second compression cylinder 7-3 extends out and is connected with the lower end of the front compression throat through a connecting plate , the second pressing cylinder 7-3 is fixedly installed on the support 17.

The confluence pipeline connected by the connecting pipe-6-2 is connected with a water pipeline and a gas pipeline, the water pipeline is connected to the test medium box 20, and a low-pressure pump 21 and a high-pressure pump arranged in parallel are installed in the pipeline. 22 and the corresponding control valve 23, the air blowing valve 24 is installed on the gas transmission pipeline, the confluence pipeline connected by the connecting pipe 2 7-2 is connected with the discharge pipeline 25, and the discharge pipeline 25 is connected to the test medium tank The body 20 is provided with an exhaust valve 26 on the exhaust pipe.

The specific workflow of the above structure is:

First install the workpiece, and then clamp the inclined steel pipe assembly to the groove on the support block. The operation is convenient and fast. After clamping, it is compressed by the compression assembly above it. The distribution and inclination of the compression assembly The distribution of the horizontal pipe body of the steel pipe assembly corresponds to that. The pressing head can be directly driven by the cylinder. After pressing, the front pressing throat is driven forward by the pressing cylinder. During the advancing process, the front pressing throat is in the casing. Guide, when the conical plug connector is inserted into the front port water, the sealing of the front port water and the communication with the confluence pipe connected with the connecting pipe 1 can be realized. The middle and front press-fit throats are guided in the guide sleeve. When the conical plug connector is inserted into the front port, the front port can be blocked and the confluence pipe connected with the connecting pipe 2 can be connected. After the plugging, the pressure test operation can be started. : The exhaust valve is opened, the low-pressure pump is activated, the water is completely filled with the test workpiece, the exhaust valve is closed, the high-pressure pump works, the system is pressurized, and when the belt reaches the set pressure, the high-pressure pump is closed, and the system conducts pressure-keeping timing and pressure-keeping When the time is up, the exhaust valve is opened, the system is depressurized, and the blowing valve is opened at the same time, the compressed air enters the test tube, and the test medium in the tube is flushed and blown dry until the predetermined time is reached. Air and flushing are time-controlled, and the time is set according to experience.

The main parameters:

1. The pressure-holding test according to the national standard can be carried out.

2. Test pressure range: 1～40MPa

3. Pressure measurement accuracy: ±0.5%

4. Pressure adjustment accuracy of pressure holding test: ±3%

5. The control cabinet is equipped with convenient control and display hardware, including Japan's Mitsubishi PLC, brand computer, LCD screen and AD module control.

6. The power system adopts air-driven pump, and the boosting ratio is 1:100. The system is stable and easy to operate.

7. Manual boost test is possible, the average rate of boost: 1～30bar/s (adjustable). Computer setting, pressure holding time, pressure measurement value. Both the boosting speed and the holding time are adjustable. It can carry out multi-stage automatic pressure boosting and maintaining pressure test, and automatically judge the leakage. The dwell time of the multi-stage test can be set arbitrarily.

8. Test medium temperature: normal temperature

The test medium is: water, hydraulic oil or emulsion

The temperature of the test box is: room temperature

Holding time: 1 to 9999 seconds can be set arbitrarily

Time control accuracy: ±1%

9. The computer records the data, displays the experimental pressure and the pressure-time curve online, and generates a chart file, which can be printed arbitrarily. The height and length of the curve can be arbitrarily set.

10. Completely closed test environment, the pressure tester has its own water tank, the water tank is made of stainless steel, the water is recycled, and the observation window is made in the front to ensure the safety and reliability of the test and observe the experimental status. The observation window is tempered glass. Water, hydraulic oil or emulsion tanks are located under the machine. The shield uses an A3 board.

11. The equipment is safe and reliable, and the workpiece is easy to install. If an abnormality is found during the test, the test will be automatically stopped, pressure relief and alarm.

Claims (10)

1. The utility model provides an equipment that weathers is tested to slope steel pipe assembly in batches, including frame (1), its characterized in that: the above-mentioned

A test bed is erected on a rack (1) and comprises a groove body (2), a plurality of placing plates (3) arranged at intervals are distributed on the groove body (2), each placing plate (3) is a detection station, and each detection station is respectively provided with a tooling assembly (4) for clamping a product, a pressing assembly (5) for pressing the product, a movable front port water-waiting quick assembly (6) and a movable rear port water-waiting quick assembly (7);

the tool assembly (4) comprises a plurality of supporting blocks (4-1) for supporting and erecting a welded inclined steel pipe assembly (8), clamping grooves (4-2) for conveniently clamping a pipe body are respectively formed in the supporting blocks (4-1), mounting holes are distributed in the supporting blocks (4-1), and the supporting blocks are fixedly mounted on a placing plate (3) of a corresponding station through fixing pins;

the pressing assemblies (5) are distributed on a pipe body of the inclined steel pipe assembly (8) in an interval mode, the pressing assemblies (5) comprise reversible pressing heads (5-1) driven by pressing cylinders (5-3), and clamping grooves (5-2) matched with the pipe body are formed in the bottom end face of each pressing head (5-1);

the movable front-port weather quick-assembly component (6) comprises a front pressing throat pipe (6-1) horizontally arranged in butt joint with a front-port weather (9), a channel in butt joint with the front-port weather is arranged in the front pressing throat pipe (6-1), a first connecting pipe (6-2) which is connected with the inner channel of the front pressing throat pipe (6-1) and is used for connecting a confluence pipeline is arranged at the rear end of the front pressing throat pipe (6-1), and the front and rear movement of the front pressing throat pipe (6-1) is respectively driven by a first pressing cylinder (6-3) at one side of the front pressing throat pipe;

the movable rear port water climate fast-assembly component (7) comprises a rear pressing throat pipe (7-1) which is vertically butted with a rear port water climate (10), a channel which is butted with the rear port water climate is arranged in the rear pressing throat pipe (7-1), a second connecting pipe (7-2) which is connected with the inner channel of the rear pressing throat pipe (7-1) and is used for connecting a confluence pipeline is arranged in the middle of the rear pressing throat pipe (7-1), and the rear pressing throat pipe (7-1) is driven by a second pressing cylinder (7-3) which is vertically arranged on one side of the rear pressing throat pipe to move up and down respectively.

2. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The automatic control device is characterized in that an operating table (11) is erected at one end of the rack (1), manual operation buttons are distributed on the operating table (11), and a controller is arranged in the operating table (11).

3. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The groove body (2) is provided with a reversible safety protection cover (12), and one side of the safety protection cover (12)

An observation window (13) convenient for observation is arranged, and illumination is arranged on the inner end surface of the safety protection cover (12)

And a lamp.

4. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The two ends of the placing plate (3) are placed on the fixed beams at the two sides of the groove body.

5. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The pressing cylinder (5-3) is vertically arranged upwards, the bottom end face of the pressing cylinder is placed on the corresponding placing plate (3), the rear end part of the pressing head (5-1) is hinged to the end part of a piston rod of the pressing cylinder (5-3), the rear end part of the pressing head (5-1) is rotatably connected with a supporting plate (5-4) below the pressing head through an ear plate, a limiting groove for clamping and limiting is further arranged on the supporting plate (5-4), and the upper end part of a cylinder body of the pressing cylinder (5-3) is fixedly connected with the supporting plate (5-4) through a fixing ear (5-5).

6. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The device is characterized in that a supporting seat (14) is arranged below the front pressing throat pipe (6-1), a sleeve pipe (15) which is in guide fit with the front pressing throat pipe (6-1) is arranged on the supporting seat (14), the front end part of the sleeve pipe (15) is used for clamping and fixing a first clamping and fixing lug (16) of the front port climate, the front port climate is fixed on the first clamping and fixing lug (16) through a fixing nut which is screwed on the end part of the front port climate, a conical plug-in connector which is matched with the front port climate end is arranged on the front end part of the front pressing throat pipe (6-1), and a rubber sealing sleeve is sleeved on the conical plug-in connector.

7. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 6, wherein: the above-mentioned

The front pressing throat (6-1) and the first pressing cylinder (6-3) are horizontally arranged in parallel, a piston rod of the first pressing cylinder (6-3) extends out to be connected with the rear end part of the front pressing throat through a connecting plate, and the first pressing cylinder (6-3) is fixedly arranged on the supporting seat (14).

8. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The inner side of the rear pressing throat (7-1) is provided with a support (17), the outer side surface of the support (17) is clamped with a guide sleeve (18) which is used for being matched with the rear pressing throat (7-1) in a guiding mode, the upper end portion of the guide sleeve (18) is provided with a clamping fixing lug II (19) which is used for clamping and fixing the front port water climate, the rear port water climate is fixed on the clamping fixing lug II (19) through a fixing nut which is screwed on the end portion of the rear port water climate, the upper end portion of the rear pressing throat (7-1) is provided with a conical plug-in connector which is matched with the rear port water climate end, and a rubber sealing sleeve is sleeved on the conical plug-in connector.

9. The equipment for drying inclined steel tube assembly under pressure test in batches as claimed in claim 8, wherein: the above-mentioned

The rear pressing throat (7-1) and the second pressing cylinder (7-3) are vertically arranged in parallel, and the second pressing cylinder (7-3)

The piston rod extends out to be connected with the lower end part of the front pressing throat pipe through a connecting plate, and the pressing cylinder II (7-3) is fixedly arranged on the support (17).

10. The equipment for drying inclined steel tube assembly during pressure test in batches as claimed in claim 1, wherein: the above-mentioned

The converging pipeline connected with the first connecting pipe (6-2) is communicated with a water pipeline and a gas pipeline, the water pipeline is connected to the test medium box body, a low-pressure pump, a high-pressure pump and a corresponding control valve which are arranged in parallel are installed in the pipeline, a gas blowing valve is installed on the gas pipeline, the converging pipeline connected with the second connecting pipe (7-2) is communicated with a discharge pipeline, the discharge pipeline is connected to the test medium box body, and a discharge valve is installed on the discharge pipeline.

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