CN201173882Y - Steel tube pressure test units - Google Patents
Steel tube pressure test units Download PDFInfo
- Publication number
- CN201173882Y CN201173882Y CNU2007200138820U CN200720013882U CN201173882Y CN 201173882 Y CN201173882 Y CN 201173882Y CN U2007200138820 U CNU2007200138820 U CN U2007200138820U CN 200720013882 U CN200720013882 U CN 200720013882U CN 201173882 Y CN201173882 Y CN 201173882Y
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- pressure
- pressure testing
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- end socket
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Abstract
The utility model puts forward a steel pipe pressure testing machine set used for steel pipe pressure test in the mechanical field. A pressure testing machine A and a base B are connected and combined to form a pressure testing machine set; a controller is arranged on the pressure testing machine set; a hoisting device is arranged in the middle of the pressure testing machine set; a slip roller bracket is arranged on a pressure testing machine frame; a slip roller is arranged on the slip roller bracket through a height adjustment disc; the other end of the pressure testing machine frame is provided with a driving machine; a clip tile support assembly, a wedge guide back-up tongs assembly and a head assembly are arranged on the machine frame between the slip roller and the driving machine; the pressure testing machine is operated and controlled through the controller so as to realize the operation of loading pipes, sealing, clamping, injecting water, boosting pressure, maintaining pressure and unloading the pipes. As the machine adopts an external contracting type sealing mechanism, an oblique rail clamping mechanism, single-lifting back-up tongs, a high-pressure booster pump and an electromechanical interlock control mode, the steel pipe pressure testing machine is steady and fast to operate, convenient to control and use and high in pressure test efficiency, prevents the destructive effect of a plurality of back-up tongs on tested steel pipe walls, and applies to the pressure test of various steel pipes.
Description
Technical field
What the present invention proposed is the steel tube pressure-measuring unit that mechanical field is used for steel tube pressure-measuring.
Background technology
Before the utility model proposes, the patent No. is that the content of the claims in 200320101193.7 the patent application document is:
1, a kind of water supply line pressure testing machine that is used for the water supply line pressure testing, include motor 1, piston pump, water inlet pipe, rising pipe each several part, it is characterized in that motor 1, piston pump 2 are fixed on the vehicle frame 16 by support 13, on the water inlet interface 7 of piston pump 2 and water outlet interface 8, be connected with water inlet pipe 9 and rising pipe 10 respectively.
2, a kind of pipeline pressure testing machine as claimed in claim 1 is characterized in that: the entrance point at water inlet pipe 9 is provided with water inlet pipe filtrator 11.
3, a kind of pipeline pressure testing machine as claimed in claim 1 is characterized in that: the endpiece at rising pipe 10 is provided with titting water outlet 12, and titting water outlet 12 is provided with screw thread.
Seamed steel pipe all will carry out pressure testing before dispatching from the factory, check by pressure testing whether breakthrough is arranged.Normally used pressure testing machine structure is by the pressure testing frame with water supply hole is set on the frame, end at the pressure testing frame is provided with the hydraulic pressure holding device, steel pipe is sent on the pressure testing table by delivery vehicle, clamp and lift by the back-up tong that is located on the pressure testing table, to just at the two ends of pressure testing machine pressure testing frame, after being aligned and holding out against, pressure testing frame one end is water-filling in pipe, and making it to reach the pressure of setting, the pressure testing of pipeline is finished in release then.
Because this pressure testing machine adopts the multiple spot back-up tong to clamp tested pipeline, causes tube wall deformation, bending easily, produces leak source, even causes tested pipeline to be scrapped.
Summary of the invention
In order to overcome the shortcoming of existing steel tube pressure-measuring machine, the utility model provides a kind of steel tube pressure-measuring unit.This pressure testing unit adopts the hem type sealing mechanism, tiltedly rail clamp system, single lifting back-up tong, high-pressure pump supercharging and electromechanical integration control gear solve the technical matters that the steel tube pressure-measuring machine moves safely and fast.
The scheme that the utility model technical solution problem is adopted is:
Be connected relative installation of combination with the B base by pressure testing machine A and constitute the pressure testing unit;
End at the pressure testing support of pressure testing machine A or B is equipped with sliding roller support, by the height control dish sliding roller is installed on sliding roller support, and the other end on the pressure testing support is equipped with driving machine; A folder watt seat assembly is installed on the support between sliding roller and the driving machine, wedge draws back-up tong assembly and end socket assembly; Wherein folder watt seat assembly draws the back-up tong assembly by folder watt roll adjustment screw mandrel and folder watt bearing connecting link with wedge and is connected, in a folder watt seat assembly installed inside folder watt is arranged, and presss from both sides a watt bottom of propping up seat assembly and is installed in and presss from both sides at the bottom of watt bearing on the car; Wherein wedge draws the back-up tong assembly and draws the back-up tong connecting link by wedge and be connected with the end socket assembly, and its middle part is connected with the hydraulic drive bar by driving connector, and wedge draws the back-up tong assembly and is installed in wedge and draws at the bottom of the back-up tong on the car; Wherein the end socket assembly draws back-up tong by end socket assembly roll adjustment screw mandrel and wedge and is connected screw mandrel and is connected, and be installed at the bottom of the end socket assembly on the car, hydraulic cylinder apart is installed on the end socket assembly, on the end socket assembly between the hydraulic cylinder, end socket is installed, O-ring seal is housed in the end socket, on the car driving machine is being installed at the bottom of the end socket assembly;
On control device, be connected with the hydraulic circuit pipeline, be connected with oil cylinder a, oil cylinder b and oil cylinder c respectively, on oil circuit, be connected with tensimeter a, and be connected to the electromagnetism reflux valve by filtrator, pair vane pump and angle one-way valve, solenoid directional control valve; On oil cylinder, be connected with throttling valve a, throttling valve b; On solenoid directional control valve, be connected with solenoid valve a, with solenoid valve that the off-load vent valve is connected on be connected with solenoid valve b, be connected with tensimeter b and pressure transducer on off-load vent valve and the circuit that tested steel pipe is connected; On the pipeline of the other end of tested steel pipe, be connected with straight check valve, and be connected, on the pipeline between tested compressed steel pipe and water pump and the high-pressure hydraulic pump, be connected with the flowing water retaining valve with high-pressure hydraulic pump and water pump.
Because the utility model adopts hem type sealing mechanism, oblique rail clamp system, single lifting back-up tong, high-pressure booster and electromechanical linkage control mode, the institute so that the steel tube pressure-measuring machine operates steadily, fast, control easy to use, pressure testing efficient height prevents the destruction of many back-up tongs to tested steel pipe tube wall.Suit in oil pipe, tracheae, water pipe and chemical pipeline production, maintenance process, to use.
Description of drawings
Fig. 1 is the utility model steel tube pressure-measuring unit pie graph
Fig. 2 is the utility model steel tube pressure-measuring machine master TV structure figure
Fig. 3 is the utility model steel tube pressure-measuring machine plan structure figure
Fig. 4 position the utility model steel tube pressure-measuring unit control route map
Fig. 5 is the utility model steel tube pressure-measuring machine hem type sealing mechanism structural drawing
Among the figure, 1. the pressure testing support is 2. slided the roller support, 2.1. height control dish, 2.2. sliding roller, a 3. folder watt seat assembly, 3.1. press from both sides watt roll adjustment screw mandrel, and 3.2. presss from both sides watt, 3.2.1. folder watt track, 3.3. presss from both sides watt bearing connecting link, car at the bottom of the 3.4. folder watt bearing, and 4. wedge draws the back-up tong assembly, 4.1. the driving connector, the 4.2. hydraulic stem, the 4.3. wedge draws the back-up tong connecting link, 4.4. wedge draws car at the bottom of the back-up tong, 5. end socket assembly, 5.1. end socket assembly roll adjustment screw mandrel, 5.2. hydraulic cylinder, car at the bottom of the 5.3. end socket assembly, 5.4. end socket, 6. driving machine, 7. lifting jack, 8. control device, 8.1 oil cylinder a, 8.2. oil cylinder b, 8.3. oil cylinder c, 8.4. throttling valve a, 8.5. throttling valve b, 8.6. pressure transducer, 8.7. solenoid valve a, 8.8. solenoid directional control valve, 8.9. solenoid valve b, 8.10. the off-load vent valve, 8.11. straight check valve, 8.12. flowing water retaining valve, 8.13. water pump, 8.14. high-pressure hydraulic pump, 8.15. electromagnetism reflux valve, 8.16. pair vane pump, 8.17. tensimeter a, 8.18. angle one-way valve, 8.19. motor, 8.20. filtrator, 8.21. tensimeter b.
Embodiment
According to shown in Figure 1, be connected relative installation of combination with the B base by pressure testing machine A and constitute the pressure testing unit.
Shown in Fig. 2 and Fig. 3 figure, at an end of the pressure testing support 1 of pressure testing machine A or B sliding roller support 2 is installed, on sliding roller support, sliding roller 2.2 is installed by height control dish 2.1, the other end on the pressure testing support is equipped with driving machine 6; A folder watt seat assembly 3 is installed on the support between sliding roller and the driving machine, wedge draws back-up tong assembly 4 and end socket assembly 5; Wherein folder watt seat assembly draws back-up tong assembly 4 by folder watt roll adjustment screw mandrel 3.1 and folder watt bearing connecting link 3.3 with wedge and is connected, in a folder watt seat assembly installed inside folder watts 3.2 is arranged, and presss from both sides a watt bottom of propping up seat assembly and is installed in and presss from both sides at the bottom of watt bearing on the car 3.4; Wherein wedge draws the back-up tong assembly and draws back-up tong connecting link 4.3 by wedge and be connected with end socket assembly 5, and its middle part is connected with hydraulic drive bar 4.2 by driving connector 4.1, and wedge draws the back-up tong assembly and is installed in wedge and draws at the bottom of the back-up tong on the car 4.4; Wherein the end socket assembly draws back-up tong by end socket assembly roll adjustment screw mandrel 5.1 and wedge and is connected screw mandrel and is connected, and be installed at the bottom of the end socket assembly on the car 5.3, hydraulic cylinder 5.2 apart is installed on the end socket assembly, on the end socket assembly between the hydraulic cylinder, end socket 5.4 is installed, driving machine 6 is installed on car at the bottom of the end socket assembly.
According to shown in Figure 4, being connected with the hydraulic circuit pipeline on control device is connected with oil cylinder a, oil cylinder b and oil cylinder c respectively by filtrator 8.20, pair vane pump 8.16 and angle one-way valve 8.18, solenoid directional control valve 8.8, on oil circuit, be connected with tensimeter a 8.17, and be connected to electromagnetism reflux valve 8.15; On oil cylinder, be connected with throttling valve a 8.4 and throttling valve b8.5; On solenoid directional control valve, be connected with solenoid valve a 8.7, with solenoid valve that off-load vent valve 8.10 is connected on be connected with solenoid valve b8.9, be connected with tensimeter b8.21 and pressure transducer 8.6 on off-load vent valve and the circuit that tested steel pipe is connected; On the pipeline of the other end of tested steel pipe, be connected with straight check valve 8.11, and be connected, on the pipeline between tested compressed steel pipe and water pump and the high-pressure hydraulic pump, be connected with flowing water retaining valve 8.12 with high-pressure hydraulic pump 8.14 and water pump 8.13.
The mobile interaction by driving machine and pressure testing support of end car realized, can realize moving forward and backward, and clamp and loosen tested steel pipe, is used for and the loading and unloading operation on pressure testing machine of tested steel pipe.
The oil cylinder of hydraulic cylinder is used to hold out against tested pipe end and realizes the end sealing operation.
According to shown in Figure 5, end socket 5.4 is equipped with O-ring seal 5.4.1.
The utility model course of work
Adjust before installing: according to the length of test tube, adjust folder watt roll adjustment screw mandrel, end socket assembly roll adjustment screw mandrel, and make wedge draw the back-up tong assembly to be in suitable position.
Be transferred between the pressure testing machine pressure testing station from the pipe drive line by test tube, being rolled into the pressure testing machine lifting jack by test tube by raceway places on the sliding roller, it is tight with pipe clamp to drive the clamp back-up tong, car moved to the test tube direction at the bottom of driving machine drove the end socket assembly simultaneously, and order about wedge and draw car at the bottom of the back-up tong, car moves in the lump at the bottom of the folder watt bearing, watt entered in the end socket of end socket assembly by folder by test tube, by hydraulic cylinder test tube and driving connector are held out against the sealing of realization test tube, start water pump water-filling in pipe, when confirming that test tube does not have drainage, improve hydraulic pressure again, and make the pressure of water reach setting value, realize the test tube pressure testing.If any leaking or can not pressurize, then is substandard product by test tube, is not had drainage to occur then illustrating by the test tube bearing pressure by test tube and reaches criterion of acceptability.By the reverse mobile pressure testing machine of driving machine pipe is taken off from tested station, and enter into respectively in the raceway of acceptance or rejection, finish the pressure testing of a test tube.
Between the back-up tong assembly wedge is installed and draws back-up tong owing to draw, so folder watt makes test tube clamp when front slide and keeps test tube to be unlikely mounting board along a folder watt track and damages at folder watt seat assembly and wedge.It clamps and unclamps rapidly, fast, has improved the test tube effect.
The utility model steel tube pressure-measuring unit and its advantage of existing steel tube pressure-measuring machine comparison are:
1, existing steel tube pressure-measuring unit adopts the end sealing end socket, and sealing effectiveness is poor, and is close Sealing is short service life, and needs often to change, and the utility model steel tube pressure-measuring unit Adopt the hem type end socket, its seal is in by the outside of formula steel pipe and end face, inject and Extract rapidly fast, and along with the increase of thrust, its sealing effectiveness increases thereupon, institute With good sealing effect, seal durability is long.
2, existing steel tube pressure-measuring machine adopts many back-up tongs that steel tube clamping is moved, and causes easily The outer wall mechanical damage of steel pipe and affect quality and intensity and the aesthetic property thereof of steel pipe, and this The steel tube pressure-measuring unit of utility model just is provided with back-up tong at the steel pipe lifting jack, in pressure testing Then draw the clamping that back-up tong is realized steel pipe by wedge on the machine, thereby the tube wall of steel pipe has been reduced Chance and the contact-making surface of contact keep easily the integrality of steel pipe tube wall, and wedge draw the back of the body Pincers are along with assembly moves, and the Automatic-clamping tube wall is so action consistency is good, fast.
3, because existing steel tube pressure-measuring unit adopts many back-up tongs joint operation, realize steel The clamping of pipe, loosen operation, not only cause easily damage and the distortion of steel pipe tube wall, also Cause easily operating the shortcoming of contraposition difference, and affect service speed.
4, existing steel tube pressure-measuring unit at first is to pass through low-pressure water to the pressure testing of tested steel pipe Pump water filling in the pipeline, the sealing effectiveness at check steel pipe two ends, and then open water under high pressure Pump carries out the pressurize test, and operating process is loaded down with trivial details, and the time spent is many, so efficient is low, and this reality Adopt automatically controlled mode to realize low pressure water injection and high pressure pressure testing with novel steel tube pressure-measuring unit The control mode of interlock, handling good, so automatic linkage control degree height is test tube speed Degree is high, reduces the operating time.
Claims (2)
1, steel tube pressure-measuring unit is connected relative installation of combination by pressure testing machine A and constitutes the pressure testing unit with the B base, it is characterized in that:
End at the pressure testing support (1) of pressure testing machine A or B is equipped with sliding roller support (2), by height control dish (2.1) sliding roller (2.2) is installed on sliding roller support, and the other end on the pressure testing support is equipped with driving machine (6);
A folder watt seat assembly (3) is installed on the support between sliding roller and the driving machine, wedge draws back-up tong assembly (4) and end socket assembly (5);
Wherein folder watt seat assembly by folder watt roll adjustment screw mandrel (3.1) with press from both sides watt bearing connecting link (3.3) and draw back-up tong assembly (4) with wedge and be connected, in a folder watt seat assembly installed inside folder watt (3.2) is arranged, the bottom of a folder watt seat assembly is installed at the bottom of the folder watt bearing on the car (3.4); Wherein wedge draws the back-up tong assembly and draws back-up tong connecting link (4.3) by wedge and be connected with end socket assembly (5), and its middle part is connected with hydraulic drive bar (4.2) by driving connector (4.1), and wedge draws the back-up tong assembly and is installed in wedge and draws at the bottom of the back-up tong on the car (4.4);
Wherein the end socket assembly draws back-up tong by end socket assembly roll adjustment screw mandrel (5.1) and wedge and is connected screw mandrel and is connected, and be installed at the bottom of the end socket assembly on the car (5.3), hydraulic cylinder (5.2) apart is installed on the end socket assembly, end socket (5.4) is installed on the end socket assembly between the hydraulic cylinder, driving machine (6) is installed on car at the bottom of the end socket assembly.
2, steel tube pressure-measuring unit according to claim 1, it is characterized in that: on control device, be connected with the hydraulic circuit pipeline and be connected with oil cylinder a, oil cylinder b and oil cylinder c respectively by filtrator (8.20), pair vane pump (8.16) and angle one-way valve (8.18), solenoid directional control valve (8.8), on oil circuit, be connected with tensimeter a (8.17), and be connected to electromagnetism reflux valve (8.15);
On oil cylinder, be connected with throttling valve a (8.4) and throttling valve b (8.5);
On solenoid directional control valve, be connected with solenoid valve a (8.7), with solenoid valve that off-load vent valve (8.10) is connected on be connected with solenoid valve b (8.9), be connected with tensimeter b (8.21) and pressure transducer (8.6) on off-load vent valve and the circuit that tested steel pipe is connected;
On the pipeline of the other end of tested steel pipe, be connected with straight check valve (8.11), and be connected, on the pipeline between tested compressed steel pipe and water pump and the high-pressure hydraulic pump, be connected with flowing water retaining valve (8.12) with high-pressure hydraulic pump (8.14) and water pump (8.13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200138820U CN201173882Y (en) | 2007-08-20 | 2007-08-20 | Steel tube pressure test units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200138820U CN201173882Y (en) | 2007-08-20 | 2007-08-20 | Steel tube pressure test units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173882Y true CN201173882Y (en) | 2008-12-31 |
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ID=40201009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200138820U Expired - Fee Related CN201173882Y (en) | 2007-08-20 | 2007-08-20 | Steel tube pressure test units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173882Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128749A (en) * | 2010-12-08 | 2011-07-20 | 太原重工股份有限公司 | Water filling and pressurizing device of steel pipe water pressure test |
| CN104101468A (en) * | 2013-04-12 | 2014-10-15 | 安徽铭扬特种钢管有限公司 | Air compressor |
| CN104181049A (en) * | 2014-08-15 | 2014-12-03 | 四川石油天然气建设工程有限责任公司 | Skid-mounted pipeline water injection pressure testing pump station |
| CN106338436A (en) * | 2016-08-24 | 2017-01-18 | 济南金光仪器设备制造有限公司 | Intelligent hydraulic modeling sand strength tester and testing method thereof |
-
2007
- 2007-08-20 CN CNU2007200138820U patent/CN201173882Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128749A (en) * | 2010-12-08 | 2011-07-20 | 太原重工股份有限公司 | Water filling and pressurizing device of steel pipe water pressure test |
| CN104101468A (en) * | 2013-04-12 | 2014-10-15 | 安徽铭扬特种钢管有限公司 | Air compressor |
| CN104181049A (en) * | 2014-08-15 | 2014-12-03 | 四川石油天然气建设工程有限责任公司 | Skid-mounted pipeline water injection pressure testing pump station |
| CN106338436A (en) * | 2016-08-24 | 2017-01-18 | 济南金光仪器设备制造有限公司 | Intelligent hydraulic modeling sand strength tester and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20130820 |