CN105738222B - A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine - Google Patents
A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine Download PDFInfo
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- CN105738222B CN105738222B CN201610262840.4A CN201610262840A CN105738222B CN 105738222 B CN105738222 B CN 105738222B CN 201610262840 A CN201610262840 A CN 201610262840A CN 105738222 B CN105738222 B CN 105738222B
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- steel pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, is related to steel pipe hydrostatic testing apparatus field.It connect hydraulic pressure pressure testing system including rack, rack-mounted fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, multiple fixed steel pipe clamps and a mobile steel pipe clamp and with fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head；The fixed hydraulic pressure pressure text head is mounted on one end of rack, mobile hydraulic pressure pressure text head by roller supporting arranged at the bottom rack the other end.The configuration of the present invention is simple is rationally compact, manufactures and is easy, at low cost.This equipment is due to pre-sealed device and pressure testing device provided with safe ready, it is flexible using operation, the precision and efficiency of steel pipe hydrostatic testing are improved, the water pressure test of middle small-bore pipe is can be widely used for, it is particularly useful for boiler random length small-diameter ultra-long pipe, there is good promotional value.
Description
Technical field
The present invention relates to steel pipe hydrostatic testing apparatus field, especially a kind of no shuttle valve type minor diameter seamless steel tube hydraulic pressure examination
Test machine.
Background technology
Existing steel pipe hydrostatic testing device structure is complicated, bulky, and cost is high, and use is inconvenient for operation.And pressure testing
Contain shuttle valve in device, poor reliability has leakage, and pressure testing result is inaccurate.For bulk minor diameter, random-length steel tube
Pressure testing, existing hydraulic press are helpless.
Invention content
The purpose of the present invention is mainly to provide a kind of machine of the minor-diameter steel-tube water pressure test simple in structure, easy to use
Tool equipment.
Realizing the technical solution of above-mentioned purpose is：A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, feature
It is：Including rack, rack-mounted fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, Duo Gegu
Determine steel pipe clamp and a mobile steel pipe clamp and connect hydraulic pressure pressure testing system with fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head
System.
One end of the fixed hydraulic pressure pressure text head installation frame, mobile hydraulic pressure pressure text head pass through idler wheel branch arranged at the bottom
The other end in rack is supportted, the first driving that the mobile hydraulic pressure pressure text head of driving is moved left and right along rack is also equipped in the rack
Device.
The steel pipe support roller-way includes multiple steel being distributed between fixed hydraulic pressure pressure text head and mobile hydraulic pressure pressure text head
Rod carrying roller, multiple fixed steel pipe clamps and a mobile steel pipe clamp are distributed on successively on steel pipe support roller-way, the Mobile steel
Tube vice is movably disposed at is equipped with the mobile steel pipe clamp of driving on one end of mobile hydraulic pressure pressure text head, the rack
The second driving device moved left and right along rack.
The first driving means include the nut being connect with mobile hydraulic pressure pressure text head, and lead screw is threaded on nut,
The motor of driving lead screw rotation is installed in rack；The first driving means include rack-mounted first hydraulic cylinder,
The mobile clamp of output end connection of the first hydraulic cylinder.
Fixed hydraulic pressure pressure text head is identical with the mobile structure of hydraulic pressure pressure text head, including pedestal, and steel is provided on the pedestal
Pipe is inserted into hole, and is inserted into the water stream channel that hole is connected to steel pipe, is additionally provided on the pedestal in the steel pipe insertion orifice ring week close
Seal mounting hole, the sealing ring mounting hole is interior to be equipped with sealing ring, and sealing ring sealing type pressure chamber is formed between sealing ring and pedestal,
The pre-sealed boost port being connected to sealing ring sealing type pressure chamber and connecting port are respectively arranged on the pedestal.
Hydraulic pressure pressure testing system includes low pressure tank, main pressurized cylinder and pre-sealed pressurized cylinder, and the low pressure tank passes through conveying
The water stream channel of the mobile hydraulic pressure pressure text head of pump connection, is connected between the delivery pump and the water stream channel of mobile hydraulic pressure pressure text head
The input end of first check valve, the first check valve connects delivery pump, the water stream channel of the mobile hydraulic pressure pressure text head of outlet end connection；Institute
The output end for stating main pressurized cylinder connects the water stream channel of mobile hydraulic pressure pressure text head, the import of the second check valve by the second check valve
End connects the pressurization port of main pressurized cylinder, the water stream channel of the mobile hydraulic pressure pressure text head of outlet end connection；The pre-sealed pressurized cylinder
Pressurization port the pre-sealed boost port of mobile hydraulic pressure pressure text head is connected by third check valve, the input end of third check valve is pre-
The output end of sealing type pressure cylinder, the pre-sealed boost port of the mobile hydraulic pressure pressure text head of outlet end connection；The main pressurized cylinder and pre- close
The pressurization port for sealing pressurized cylinder connects low pressure tank by the 4th check valve simultaneously, and the input end of the 4th check valve connects low pressure water
Case, outlet end connect the pressurization port of main pressurized cylinder, pre-sealed pressurized cylinder.
The water stream channel of the fixed hydraulic pressure pressure text head is separately connected the pre-sealed boost port of fixed hydraulic pressure pressure text head and low
Water tank is pressed, the 5th check valve is connected between the water stream channel and low pressure tank of the fixed hydraulic pressure pressure text head, the described 5th is single
Low pressure tank is connected to the input end of valve, outlet end is connected and fixed the water stream channel of hydraulic pressure pressure text head, the valve body of the 5th check valve
On be connected with push the 5th inner elements of check valve movement second hydraulic cylinder；The water stream channel of fixed hydraulic pressure pressure text head and fixed hydraulic pressure
The 6th check valve is connected between the pre-sealed boost port of pressure text head, the input end of the 6th check valve is connected and fixed hydraulic pressure pressure text head
Water stream channel, outlet end is connected and fixed the pre-sealed boost port of hydraulic pressure pressure text head, the connecting port of the fixed hydraulic pressure pressure text head
It is concatenated between the connecting port of mobile hydraulic pressure pressure text head.
Beneficial effects of the present invention：The configuration of the present invention is simple is rationally compact, manufactures and is easy, at low cost.This equipment by
It is flexible using operation in pre-sealed device and pressure testing device provided with safe ready, improve the precision of steel pipe hydrostatic testing
And efficiency, the water pressure test of middle small-bore pipe is can be widely used for, is particularly useful for boiler random length small-diameter ultra-long pipe, has very
Good promotional value.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of fixed hydraulic pressure pressure text head and mobile hydraulic pressure pressure text head；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the schematic diagram of hydraulic pressure pressure testing system.
Specific implementation mode
As shown in Figure 1, 2, 3, the present invention includes rack 1, the fixation hydraulic pressure pressure text head 2 in rack 1, mobile hydraulic pressure
Pressure text head 3, steel pipe support roller-way 4, multiple fixed steel pipe clamps 5 and a mobile steel pipe clamp 6 and with fixed hydraulic pressure pressure testing
First 2, mobile hydraulic pressure pressure text head 3 connects hydraulic pressure pressure testing system 7.
The left end of fixed 2 installation frame 1 of hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head 3 are movably disposed at the right side of rack 1
End, steel pipe support roller-way 4 include multiple steel rod carrying rollers being distributed between fixed hydraulic pressure pressure text head 2 and mobile hydraulic pressure pressure text head 3
8, multiple fixed steel pipe clamps 5 and a mobile steel pipe clamp 6 are distributed on steel pipe support roller-way 4 successively from left to right.
It is existing that sliding rail, sliding block or track, idler wheel etc. may be used in mobile hydraulic pressure pressure text head 3 and mobile steel pipe clamp 6
Common technology means are movably disposed in rack 1 in technology, and mobile hydraulic pressure pressure text head 3 is using mutually matched nut, silk
Bar and the motor of driving lead screw rotation drive the mobile hydraulic pressure pressure text head 3 to move left and right, and mobile steel pipe clamp is by being mounted on
First hydraulic cylinder in rack 1 drives mobile steel pipe clamp to be moved left and right along rack 1, lead screw, nut type of drive and
Driven by Hydraulic Cylinder mode is common technology means in the prior art, is no longer gone to live in the household of one's in-laws on getting married herein to concrete structure and connection type
It states.
Fixed hydraulic pressure pressure text head 2 is identical with the structure of mobile hydraulic pressure pressure text head 3, includes the pedestal 9 of left end opening, pedestal 9
Right end be provided with vertical water stream channel 11, inner bushing ring 30 and external bushing ring 29, inner bushing ring 30 are provided in the open end of pedestal 9
It is provided with the steel pipe being connected to water stream channel 11 with the axial centre of external bushing ring 29 and is inserted into hole 10, it is logical with flow that steel pipe is inserted into hole 10
One end that road 11 is connected to is provided with the step for limiting steel pipe position, and grommet is provided between inner bushing ring 30, external bushing ring 29 and pedestal 9
Set 31 is respectively arranged with sealing ring between inner bushing ring 30, external bushing ring 29 and grommet set 31 and between grommet set 31 and pedestal 9
32, external bushing ring 29 and grommet set 31 outer end be provided with the blanking cover 34 being threaded in 9 open end of pedestal.
It is provided with ring packing ring recess 33 between inner bushing ring 30 and external bushing ring 29, is equipped in ring packing ring recess 33
O-ring seals 13 form sealing ring sealing type pressure chamber 14, are respectively arranged on pedestal 9 between O-ring seals 13 and grommet set 31
The pre-sealed boost port 15 and connecting port 16 being connected to 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, and low pressure tank 19 passes through
The water stream channel 11 of the mobile hydraulic pressure pressure text head of the connection of delivery pump 21 3, the water stream channel of delivery pump 21 and mobile hydraulic pressure pressure text head 3 it
Between be connected with the first check valve 17, the input end of the first check valve 17 connects delivery pump 21, the mobile hydraulic pressure pressure testing of outlet end connection
First 3 water stream channel；The flow that the pressurization port of main pressurized cylinder 20 connects mobile hydraulic pressure pressure text head 3 by the second check valve 18 is logical
The input end in road, the second check valve 18 connects the pressurization port of main pressurized cylinder 20, the water of outlet end connection movement hydraulic pressure pressure text head 3
Circulation road；The pressurization port of pre-sealed pressurized cylinder 22 connects the pre-sealed increasing of mobile hydraulic pressure pressure text head 3 by third check valve 23
Press mouth 15, the pressurization port of the pre-sealed pressurized cylinder of the input end of third check valve 23 15, outlet end is separately connected mobile hydraulic pressure examination
The pre-sealed boost port 15 and unloading valve 25 of pressure head 3；The pressurization port of main pressurized cylinder 20 and pre-sealed pressurized cylinder 22 is also logical simultaneously
The 4th check valve 24 connection low pressure tank 19 is crossed, the input end of the 4th check valve 24 connects low pressure tank 19, outlet end connection master
The pressurization port of pressurized cylinder 20, pre-sealed pressurized cylinder 22.
The water stream channel 11 of fixed hydraulic pressure pressure text head 2 is separately connected 15 He of pre-sealed boost port of fixed hydraulic pressure pressure text head 2
Low pressure tank 19, is connected with the 5th check valve 26 between the water stream channel 11 and low pressure tank 19 of fixed hydraulic pressure pressure text head 2, and the 5th
The input end of check valve 26 connects low pressure tank 19, and outlet end is connected and fixed the water stream channel 11 of hydraulic pressure pressure text head 3, and the 5th is unidirectional
The second hydraulic cylinder 27 for pushing the movement of the 5th inner elements of check valve is connected on the valve body of valve 26.The flow of fixed hydraulic pressure pressure text head 2
It is connected with the 6th check valve 28 between channel 11 and the pre-sealed boost port 15 of fixed hydraulic pressure pressure text head 2, the 6th check valve 28
Input end is connected and fixed the water stream channel of hydraulic pressure pressure text head 3, and outlet end is connected and fixed the pre-sealed boost port of hydraulic pressure pressure text head 2
15, it is concatenated between the connecting port 16 and the connecting port 16 of mobile hydraulic pressure pressure text head 16 of fixed hydraulic pressure pressure text head 2.
The course of work of the present invention：
1, first steel pipe is placed on steel pipe support roller-way 4, mobile steel pipe clamp 6 is moved to the left clamps steel pipe afterwards in place；
2, mobile hydraulic pressure pressure text head 3 advances, and the steel pipe that the end of steel pipe is placed through mobile hydraulic pressure pressure text head 3 is made to be inserted into hole
In 10, in place after, unclamp again mobile steel pipe clamp 6；
3, mobile hydraulic pressure pressure text head 3 moves on the steel pipe for making the other end of steel pipe be placed through fixed hydraulic pressure pressure text head 2 and inserts
Enter in hole 10, mobile hydraulic pressure pressure text head 3 halts, and fixed steel pipe clamp 5 and a mobile steel pipe clamp 6 all clamp；
4, pre-sealed pressurized cylinder 22 is driven to work, to the sealing ring of fixed hydraulic pressure pressure text head 2 and mobile hydraulic pressure pressure text head 3
Water filling in sealing type pressure chamber 14 makes between fixed hydraulic pressure pressure text head 2, O-ring seals 13 and steel pipe in mobile hydraulic pressure pressure text head 3
Form sealing.
5, second hydraulic cylinder 27 is driven, the 5th check valve 26 is opened, restarts the water filling into steel pipe of delivery pump 21, wait for the 5th
After the outlet end water outlet of check valve 26, the 5th check valve 26 and delivery pump 21 are closed.
6, it opens main pressurized cylinder 20 to be pressurized into steel pipe, and by setting time pressurize, record time and pressure curve, then beats
25 off-load of pre-sealed unloading valve is opened, mobile hydraulic pressure pressure text head 3 is retreated to right end, and fixed steel pipe clamp 5 is opened, Mobile steel pipe clamp
6 drive steel pipe of pincers removes fixed hydraulic pressure pressure text head 3 and unclamps, and completes work pressure test.
Claims (2)
1. a kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine, it is characterised in that：Including rack, rack-mounted
Fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head, steel pipe support roller-way, multiple fixed steel pipe clamps and a mobile steel pipe clamp
And it connect hydraulic pressure pressure testing system with fixed hydraulic pressure pressure text head, mobile hydraulic pressure pressure text head；
The fixed hydraulic pressure pressure text head is mounted on one end of rack, and mobile hydraulic pressure pressure text head passes through roller supporting arranged at the bottom
The first driving dress that the mobile hydraulic pressure pressure text head of driving is moved left and right along rack is also equipped on the other end of rack, the rack
It sets；
The steel pipe support roller-way includes multiple steel rod supports being distributed between fixed hydraulic pressure pressure text head and mobile hydraulic pressure pressure text head
Roller, multiple fixed steel pipe clamps and a mobile steel pipe clamp are distributed on successively on steel pipe support roller-way, the Mobile steel pipe clamp
Pincers are movably disposed at is equipped with the mobile steel pipe clamp of driving along machine on one end of mobile hydraulic pressure pressure text head, the rack
The second driving device that frame moves left and right；
Fixed hydraulic pressure pressure text head is identical with the mobile structure of hydraulic pressure pressure text head, including pedestal, and being provided with steel pipe on the pedestal inserts
Enter hole, and the water stream channel that hole is connected to is inserted into steel pipe, the steel pipe is inserted on the pedestal in orifice ring week and is additionally provided with sealing ring
Mounting hole, the sealing ring mounting hole is interior to be equipped with sealing ring, and sealing ring sealing type pressure chamber is formed between sealing ring and pedestal, described
The pre-sealed boost port being connected to sealing ring sealing type pressure chamber and connecting port are respectively arranged on pedestal；
Hydraulic pressure pressure testing system includes low pressure tank, main pressurized cylinder and pre-sealed pressurized cylinder, and the low pressure tank is connected by delivery pump
The water stream channel of mobile hydraulic pressure pressure text head is connect, first is connected between the delivery pump and the water stream channel of mobile hydraulic pressure pressure text head
The input end of check valve, the first check valve connects delivery pump, the water stream channel of the mobile hydraulic pressure pressure text head of outlet end connection；The master
The output end of pressurized cylinder connects the water stream channel of mobile hydraulic pressure pressure text head by the second check valve, and the input end of the second check valve connects
Connect the pressurization port of main pressurized cylinder, the water stream channel of the mobile hydraulic pressure pressure text head of outlet end connection；The increasing of the pre-sealed pressurized cylinder
Pressure side mouth connects the pre-sealed boost port of mobile hydraulic pressure pressure text head by third check valve, and the input end of third check valve is pre-sealed
The output end of pressurized cylinder, the pre-sealed boost port of the mobile hydraulic pressure pressure text head of outlet end connection；The main pressurized cylinder and pre-sealed increasing
The pressurization port of cylinder pressure connects low pressure tank by the 4th check valve simultaneously, and the input end of the 4th check valve connects low pressure tank,
Outlet end connects the pressurization port of main pressurized cylinder, pre-sealed pressurized cylinder；
The water stream channel of the fixed hydraulic pressure pressure text head is separately connected the pre-sealed boost port and low pressure water of fixed hydraulic pressure pressure text head
Case is connected with the 5th check valve, the 5th check valve between the water stream channel and low pressure tank of the fixed hydraulic pressure pressure text head
Input end connect low pressure tank, outlet end is connected and fixed the water stream channel of hydraulic pressure pressure text head, connects on the valve body of the 5th check valve
It is connected to the second hydraulic cylinder for pushing the movement of the 5th inner elements of check valve；The water stream channel of fixed hydraulic pressure pressure text head and fixed hydraulic pressure pressure testing
It is connected with the 6th check valve between the pre-sealed boost port of head, the input end of the 6th check valve is connected and fixed the water of hydraulic pressure pressure text head
Circulation road, outlet end are connected and fixed the pre-sealed boost port of hydraulic pressure pressure text head, the connecting port of the fixed hydraulic pressure pressure text head and shifting
It is concatenated between the connecting port of dynamic hydraulic pressure pressure text head.
2. a kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine according to claim 1, it is characterised in that：It is described
First driving means include the nut being connect with mobile hydraulic pressure pressure text head, are threaded with lead screw on nut, are equipped in rack
Drive the motor of lead screw rotation；Second driving device includes rack-mounted first hydraulic cylinder, first hydraulic pressure
The mobile clamp of output end connection of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262840.4A CN105738222B (en) | 2016-04-26 | 2016-04-26 | A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262840.4A CN105738222B (en) | 2016-04-26 | 2016-04-26 | A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN105738222A CN105738222A (en) | 2016-07-06 |
| CN105738222B true CN105738222B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610262840.4A Active CN105738222B (en) | 2016-04-26 | 2016-04-26 | A kind of no shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426775B (en) * | 2017-02-15 | 2023-10-13 | 东管重工(沈阳)有限公司 | External tightening type hydraulic test tool for small-specification thin-wall steel pipe |
| CN108625216A (en) * | 2018-05-31 | 2018-10-09 | 河南大指造纸装备集成工程有限公司 | A kind of boots roller boots means of press seals pressure testing device |
| CN109115624A (en) * | 2018-09-28 | 2019-01-01 | 中国重型机械研究院股份公司 | A kind of pressure charging system one tube end hydrostatic testing machine and pipe end pressure-measuring method |
| CN109580340A (en) * | 2019-01-23 | 2019-04-05 | 浙江青山钢管有限公司 | A kind of more steel pipe hydrostatic testers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205719799U (en) * | 2016-04-26 | 2016-11-23 | 江苏诚德钢管股份有限公司 | A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562532A (en) * | 1979-06-21 | 1981-01-12 | Kawasaki Heavy Ind Ltd | Pressure testing method |
| JP3608294B2 (en) * | 1996-06-06 | 2005-01-05 | 株式会社島津製作所 | Material testing machine |
| CN103234833B (en) * | 2013-05-06 | 2015-05-06 | 西安海联石化科技有限公司 | Equipment and device for hydraulic pressure test of rear metal pipe |
| CN104181046B (en) * | 2014-08-11 | 2016-05-18 | 常熟市无缝钢管有限公司 | Steel pipe hydraulic pressure automatic detecting machine |
| CN204154580U (en) * | 2014-08-12 | 2015-02-11 | 天津金工机械设备制造有限公司 | A kind of pipe fitting pressure testing testing equipment |
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2016
- 2016-04-26 CN CN201610262840.4A patent/CN105738222B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205719799U (en) * | 2016-04-26 | 2016-11-23 | 江苏诚德钢管股份有限公司 | A kind of without shuttle valve type minor diameter seamless steel tube hydrostatic testing machine |
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