CN205719799U - A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine - Google Patents
A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine Download PDFInfo
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- CN205719799U CN205719799U CN201620356531.9U CN201620356531U CN205719799U CN 205719799 U CN205719799 U CN 205719799U CN 201620356531 U CN201620356531 U CN 201620356531U CN 205719799 U CN205719799 U CN 205719799U
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Abstract
A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, relate to steel pipe hydrostatic testing apparatus field.It is connected hydraulic pressure pressure testing system including frame, rack-mounted fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, multiple fixing steel pipe clamp and a Mobile steel Tube vice and with fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head；Described fixing hydraulic pressure pressure text head is arranged on one end of frame, and mobile hydraulic pressure pressure text head is by being arranged on the roller supporting other end in frame of bottom.This utility model is simple and reasonable compact, manufactures easily, low cost.This equipment is owing to being provided with pre-sealed device and the pressure testing device of safe ready, use flexible operation, improve precision and the efficiency of steel pipe hydrostatic testing, can be widely used for the water pressure test of middle small-bore pipe, it is particularly useful for boiler random length small-diameter ultra-long pipe, has good promotional value.
Description
Technical field
This utility model relates to steel pipe hydrostatic testing apparatus field, particularly a kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine.
Background technology
Existing steel pipe hydrostatic testing device structure is complicated, bulky, and cost is high, uses inconvenient operation.And containing shuttle valve, poor reliability in pressure testing device, there is leakage, pressure testing result is inaccurate.For bulk minor diameter, the pressure testing of random-length steel tube, existing hydraulic press is helpless.
Utility model content
The purpose of this utility model mainly provides a kind of simple in construction, the plant equipment of the minor-diameter steel-tube water pressure test easy to use.
The technical scheme realizing above-mentioned purpose is: a kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterised in that: include frame, rack-mounted fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, multiple fixing steel pipe clamp and a Mobile steel Tube vice and be connected hydraulic pressure pressure testing system with fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head.
One end of described fixing hydraulic pressure pressure text head installation frame, mobile hydraulic pressure pressure text head at the other end of frame, described frame is also equipped with the first driving means driving mobile hydraulic pressure pressure text head to move left and right along frame by the roller supporting bottom being arranged on.
Described steel pipe support roller-way includes multiple steel rod carrying roller being distributed between fixing hydraulic pressure pressure text head and mobile hydraulic pressure pressure text head, multiple fixing steel pipe clamps and a Mobile steel Tube vice are distributed on steel pipe support roller-way successively, described Mobile steel Tube vice is movably disposed at the one end near mobile hydraulic pressure pressure text head, and described frame is provided with the second driving means driving Mobile steel Tube vice to move left and right along frame.
Described first driving means includes the nut being connected with mobile hydraulic pressure pressure text head, and threaded on nut have screw mandrel, and frame is provided with the motor driving screw mandrel to rotate；Described first driving means includes rack-mounted first hydraulic cylinder, and the outfan of described first hydraulic cylinder connects mobile clamp.
Fixing hydraulic pressure pressure text head is identical with the structure of mobile hydraulic pressure pressure text head, including pedestal, it is provided with steel pipe on described pedestal and inserts hole, and insert, with steel pipe, the water stream channel that hole connects, described steel pipe inserts and is additionally provided with sealing ring installing hole on the pedestal in orifice ring week, described sealing ring installing hole, built with sealing ring, forms sealing ring sealing type pressure chamber, described pedestal is respectively arranged with the pre-sealed boost port and connecting port connected with sealing ring sealing type pressure chamber between sealing ring and pedestal.
Hydraulic pressure pressure testing system includes low pressure tank, main pressurized cylinder and pre-sealed pressurized cylinder, described low pressure tank connects the water stream channel of mobile hydraulic pressure pressure text head by delivery pump, it is connected between described delivery pump and the water stream channel of mobile hydraulic pressure pressure text head and has the first check valve, the entrance point of the first check valve connects delivery pump, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head；The outfan of described main pressurized cylinder connects the water stream channel of mobile hydraulic pressure pressure text head by the second check valve, and the entrance point of the second check valve connects the pressurization port of main pressurized cylinder, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head；The pressurization port of described pre-sealed pressurized cylinder connects the pre-sealed boost port of mobile hydraulic pressure pressure text head, the outfan of the pre-sealed pressurized cylinder of entrance point of the 3rd check valve by the 3rd check valve, and the port of export connects the pre-sealed boost port of mobile hydraulic pressure pressure text head；The pressurization port of described main pressurized cylinder and pre-sealed pressurized cylinder connects low pressure tank by the 4th check valve simultaneously, and the entrance point of the 4th check valve connects low pressure tank, and the port of export connects main pressurized cylinder, the pressurization port of pre-sealed pressurized cylinder.
The water stream channel of described fixing hydraulic pressure pressure text head connects pre-sealed boost port and the low pressure tank of fixing hydraulic pressure pressure text head respectively, it is connected between water stream channel and the low pressure tank of described fixing hydraulic pressure pressure text head and has the 5th check valve, the entrance point of described 5th check valve connects low pressure tank, the port of export connects the water stream channel of fixing hydraulic pressure pressure text head, and the valve body of the 5th check valve connects the second hydraulic cylinder promoting the 5th inner elements of check valve to move；It is connected between water stream channel and the pre-sealed boost port of fixing hydraulic pressure pressure text head of fixing hydraulic pressure pressure text head and has the 6th check valve, the entrance point of the 6th check valve connects the water stream channel of fixing hydraulic pressure pressure text head, the port of export connects the pre-sealed boost port of fixing hydraulic pressure pressure text head, concatenates between the connecting port of described fixing hydraulic pressure pressure text head and the connecting port of mobile hydraulic pressure pressure text head.
The beneficial effects of the utility model: this utility model is simple and reasonable compact, manufacture easily, low cost.This equipment is owing to being provided with pre-sealed device and the pressure testing device of safe ready, use flexible operation, improve precision and the efficiency of steel pipe hydrostatic testing, can be widely used for the water pressure test of middle small-bore pipe, it is particularly useful for boiler random length small-diameter ultra-long pipe, has good promotional value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is fixing hydraulic pressure pressure text head and the structural representation of mobile hydraulic pressure pressure text head；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the schematic diagram of hydraulic pressure pressure testing system.
Detailed description of the invention
As shown in Figure 1, 2, 3, this utility model include frame 1, the fixing hydraulic pressure pressure text head 2 that is arranged in frame 1, mobile hydraulic pressure pressure text head 3, steel pipe support roller-way 4, multiple fixing steel pipe clamps 5 and a Mobile steel Tube vice 6 and be connected hydraulic pressure pressure testing system 7 with fixing hydraulic pressure pressure text head 2, mobile hydraulic pressure pressure text head 3.
The left end of fixing hydraulic pressure pressure text head 2 installation frame 1, mobile hydraulic pressure pressure text head 3 is movably disposed at the right-hand member of frame 1, steel pipe support roller-way 4 includes multiple steel rod carrying roller 8 being distributed between fixing hydraulic pressure pressure text head 2 and mobile hydraulic pressure pressure text head 3, and multiple fixing steel pipe clamps 5 and a Mobile steel Tube vice 6 are distributed on steel pipe support roller-way 4 the most successively.
Mobile hydraulic pressure pressure text head 3 and Mobile steel Tube vice 6 can use slide rail, slide block or track, in the prior aries such as roller, common technology means are movably disposed in frame 1, mobile hydraulic pressure pressure text head 3 uses the nut cooperated, screw mandrel and the motor driving screw mandrel to rotate drive mobile hydraulic pressure pressure text head 3 to move left and right, Mobile steel Tube vice drives Mobile steel Tube vice to move left and right along frame 1 by the first hydraulic cylinder being arranged in frame 1, screw mandrel, nut type of drive and Driven by Hydraulic Cylinder mode are common technology hands section in prior art, no longer concrete structure and connected mode are repeated at this.
Fixing hydraulic pressure pressure text head 2 is identical with the structure of mobile hydraulic pressure pressure text head 3, pedestal 9 including left end opening, the right-hand member of pedestal 9 is provided with vertical water stream channel 11, inner bushing ring 30 and external bushing ring 29 it is provided with in the opening of pedestal 9, inner bushing ring 30 is provided with the steel pipe connected with water stream channel 11 and inserts hole 10 with the axial centre of external bushing ring 29, one end that steel pipe insertion hole 10 connects with water stream channel 11 is provided with the step limiting steel pipe position, inner bushing ring 30, grommet set 31 it is provided with between external bushing ring 29 and pedestal 9, inner bushing ring 30, it is respectively arranged with sealing ring 32 between external bushing ring 29 and grommet set 31 and between grommet set 31 and pedestal 9, the outer end of external bushing ring 29 and grommet set 31 is provided with the blanking cover 34 being threaded in pedestal 9 opening.
Ring packing ring recess 33 it is provided with between inner bushing ring 30 and external bushing ring 29, O-ring seals 13 it is equipped with in ring packing ring recess 33, form sealing ring sealing type pressure chamber 14 between O-ring seals 13 and grommet set 31, pedestal 9 is respectively arranged with the pre-sealed boost port 15 and connecting port 16 connected with sealing ring sealing type pressure chamber 14.
Hydraulic pressure pressure testing system 7 includes low pressure tank 19, main pressurized cylinder 20 and pre-sealed pressurized cylinder 22, low pressure tank 19 connects the water stream channel 11 of mobile hydraulic pressure pressure text head 3 by delivery pump 21, it is connected between delivery pump 21 and the water stream channel of mobile hydraulic pressure pressure text head 3 and has the first check valve 17, the entrance point of the first check valve 17 connects delivery pump 21, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head 3；The pressurization port of main pressurized cylinder 20 connects the water stream channel of mobile hydraulic pressure pressure text head 3 by the second check valve 18, and the entrance point of the second check valve 18 connects the pressurization port of main pressurized cylinder 20, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head 3；The pressurization port of pre-sealed pressurized cylinder 22 connects the pre-sealed boost port 15 of mobile hydraulic pressure pressure text head 3 by the 3rd check valve 23, the pressurization port of the pre-sealed pressurized cylinder of entrance point 15 of the 3rd check valve 23, the port of export connects pre-sealed boost port 15 and the unloader 25 of mobile hydraulic pressure pressure text head 3 respectively；The pressurization port of main pressurized cylinder 20 and pre-sealed pressurized cylinder 22 connects low pressure tank 19 also by the 4th check valve 24 simultaneously, and the entrance point of the 4th check valve 24 connects low pressure tank 19, and the port of export connects main pressurized cylinder 20, the pressurization port of pre-sealed pressurized cylinder 22.
The water stream channel 11 of fixing hydraulic pressure pressure text head 2 connects pre-sealed boost port 15 and the low pressure tank 19 of fixing hydraulic pressure pressure text head 2 respectively, it is connected between water stream channel 11 and the low pressure tank 19 of fixing hydraulic pressure pressure text head 2 and has the 5th check valve 26, the entrance point of the 5th check valve 26 connects low pressure tank 19, the port of export connects the water stream channel 11 of fixing hydraulic pressure pressure text head 3, and the valve body of the 5th check valve 26 connects the second hydraulic cylinder 27 promoting the 5th inner elements of check valve to move.It is connected between water stream channel 11 and the pre-sealed boost port 15 of fixing hydraulic pressure pressure text head 2 of fixing hydraulic pressure pressure text head 2 and has the 6th check valve 28, the entrance point of the 6th check valve 28 connects the water stream channel of fixing hydraulic pressure pressure text head 3, the port of export connects the pre-sealed boost port 15 of fixing hydraulic pressure pressure text head 2, concatenates between the connecting port 16 of fixing hydraulic pressure pressure text head 2 and the connecting port 16 of mobile hydraulic pressure pressure text head 16.
Work process of the present utility model:
1, being first placed in by steel pipe on steel pipe support roller-way 4, Mobile steel Tube vice 6 is moved to the left clamping steel pipe after putting in place；
2, moving hydraulic pressure pressure text head 3 to advance, the steel pipe making the end of steel pipe be placed through mobile hydraulic pressure pressure text head 3 inserts in hole 10, after putting in place, then unclamps Mobile steel Tube vice 6；
3, moving hydraulic pressure pressure text head 3 steel pipe making the other end of steel pipe be placed through fixing hydraulic pressure pressure text head 2 that moves on to insert in hole 10, mobile hydraulic pressure pressure text head 3 halts, and fixing steel pipe clamp 5 and a Mobile steel Tube vice 6 all clamp；
4, pre-sealed pressurized cylinder 22 is driven to work
, water filling in the sealing ring sealing type pressure chamber 14 of fixing hydraulic pressure pressure text head 2 and mobile hydraulic pressure pressure text head 3, make to be formed between O-ring seals 13 and steel pipe in fixing hydraulic pressure pressure text head 2, mobile hydraulic pressure pressure text head 3 to seal.
5, drive the second hydraulic cylinder 27, open the 5th check valve 26, restart delivery pump 21 water filling in steel pipe, after the port of export water outlet of the 5th check valve 26, close the 5th check valve 26 and delivery pump 21.
6, main pressurized cylinder 20 supercharging in steel pipe is opened, and by the pressurize of setting time, record time and pressure curve, open the off-load of pre-sealed unloader 25 again, mobile hydraulic pressure pressure text head 3 retreats to low order end, fixing steel pipe clamp 5 is opened, Mobile steel Tube vice 6 drives the fixing hydraulic pressure pressure text head 3 of steel pipe removal and unclamps, and completes work pressure test.
Claims (4)
1. one kind without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterised in that: include frame, rack-mounted fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, multiple fixing steel pipe clamp and a Mobile steel Tube vice and be connected hydraulic pressure pressure testing system with fixing hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head；
Described fixing hydraulic pressure pressure text head is arranged on one end of frame, and mobile hydraulic pressure pressure text head at the other end of frame, described frame is also equipped with the first driving means driving mobile hydraulic pressure pressure text head to move left and right along frame by the roller supporting bottom being arranged on；
Described steel pipe support roller-way includes multiple steel rod carrying roller being distributed between fixing hydraulic pressure pressure text head and mobile hydraulic pressure pressure text head, multiple fixing steel pipe clamps and a Mobile steel Tube vice are distributed on steel pipe support roller-way successively, described Mobile steel Tube vice is movably disposed at the one end near mobile hydraulic pressure pressure text head, and described frame is provided with the second driving means driving Mobile steel Tube vice to move left and right along frame.
The most according to claim 1 a kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterized in that: described first driving means includes the nut being connected with mobile hydraulic pressure pressure text head, threaded on nut have screw mandrel, and frame is provided with the motor driving screw mandrel to rotate；Described second driving means includes rack-mounted first hydraulic cylinder, and the outfan of described first hydraulic cylinder connects mobile clamp.
The most according to claim 1 a kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterized in that: fixing hydraulic pressure pressure text head is identical with the structure of mobile hydraulic pressure pressure text head, including pedestal, it is provided with steel pipe on described pedestal and inserts hole, and insert, with steel pipe, the water stream channel that hole connects, described steel pipe inserts and is additionally provided with sealing ring installing hole on the pedestal in orifice ring week, described sealing ring installing hole is built with sealing ring, sealing ring sealing type pressure chamber is formed between sealing ring and pedestal, the pre-sealed boost port and connecting port connected with sealing ring sealing type pressure chamber it is respectively arranged with on described pedestal.
The most according to claim 3 a kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterized in that: hydraulic pressure pressure testing system includes low pressure tank, main pressurized cylinder and pre-sealed pressurized cylinder, described low pressure tank connects the water stream channel of mobile hydraulic pressure pressure text head by delivery pump, it is connected between described delivery pump and the water stream channel of mobile hydraulic pressure pressure text head and has the first check valve, the entrance point of the first check valve connects delivery pump, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head；The outfan of described main pressurized cylinder connects the water stream channel of mobile hydraulic pressure pressure text head by the second check valve, and the entrance point of the second check valve connects the pressurization port of main pressurized cylinder, and the port of export connects the water stream channel of mobile hydraulic pressure pressure text head；The pressurization port of described pre-sealed pressurized cylinder connects the pre-sealed boost port of mobile hydraulic pressure pressure text head, the outfan of the pre-sealed pressurized cylinder of entrance point of the 3rd check valve by the 3rd check valve, and the port of export connects the pre-sealed boost port of mobile hydraulic pressure pressure text head；The pressurization port of described main pressurized cylinder and pre-sealed pressurized cylinder connects low pressure tank by the 4th check valve simultaneously, and the entrance point of the 4th check valve connects low pressure tank, and the port of export connects main pressurized cylinder, the pressurization port of pre-sealed pressurized cylinder；
The water stream channel of described fixing hydraulic pressure pressure text head connects pre-sealed boost port and the low pressure tank of fixing hydraulic pressure pressure text head respectively, it is connected between water stream channel and the low pressure tank of described fixing hydraulic pressure pressure text head and has the 5th check valve, the entrance point of described 5th check valve connects low pressure tank, the port of export connects the water stream channel of fixing hydraulic pressure pressure text head, and the valve body of the 5th check valve connects the second hydraulic cylinder promoting the 5th inner elements of check valve to move；It is connected between water stream channel and the pre-sealed boost port of fixing hydraulic pressure pressure text head of fixing hydraulic pressure pressure text head and has the 6th check valve, the entrance point of the 6th check valve connects the water stream channel of fixing hydraulic pressure pressure text head, the port of export connects the pre-sealed boost port of fixing hydraulic pressure pressure text head, concatenates between the connecting port of described fixing hydraulic pressure pressure text head and the connecting port of mobile hydraulic pressure pressure text head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356531.9U CN205719799U (en) | 2016-04-26 | 2016-04-26 | A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356531.9U CN205719799U (en) | 2016-04-26 | 2016-04-26 | A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
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| Publication Number | Publication Date |
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| CN205719799U true CN205719799U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620356531.9U Withdrawn - After Issue CN205719799U (en) | 2016-04-26 | 2016-04-26 | A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
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| Country | Link |
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| CN (1) | CN205719799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738222A (en) * | 2016-04-26 | 2016-07-06 | 江苏诚德钢管股份有限公司 | Shuttle-valve-free hydrostatic testing machine for small-diameter seamless steel tube |
| CN109297828A (en) * | 2018-10-24 | 2019-02-01 | 中国科学院上海硅酸盐研究所 | Thin-walled silicon carbide ceramic hydrostatic pressure detection method |
-
2016
- 2016-04-26 CN CN201620356531.9U patent/CN205719799U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738222A (en) * | 2016-04-26 | 2016-07-06 | 江苏诚德钢管股份有限公司 | Shuttle-valve-free hydrostatic testing machine for small-diameter seamless steel tube |
| CN105738222B (en) * | 2016-04-26 | 2018-08-17 | 江苏诚德钢管股份有限公司 | A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
| CN109297828A (en) * | 2018-10-24 | 2019-02-01 | 中国科学院上海硅酸盐研究所 | Thin-walled silicon carbide ceramic hydrostatic pressure detection method |
| CN109297828B (en) * | 2018-10-24 | 2021-12-07 | 中国科学院上海硅酸盐研究所 | Hydrostatic pressure detection method for thin-wall silicon carbide ceramic tube |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180817 |
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| AV01 | Patent right actively abandoned |