CN203894118U - Hydrostatic testing machine for steel cylinder of prestressed concrete cylinder pipe - Google Patents
Hydrostatic testing machine for steel cylinder of prestressed concrete cylinder pipe Download PDFInfo
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- CN203894118U CN203894118U CN201420330429.2U CN201420330429U CN203894118U CN 203894118 U CN203894118 U CN 203894118U CN 201420330429 U CN201420330429 U CN 201420330429U CN 203894118 U CN203894118 U CN 203894118U
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- steel cylinder
- inner bag
- pressure testing
- pressure test
- testing machine
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Abstract
The utility model discloses a hydrostatic testing machine for a steel cylinder of a prestressed concrete cylinder pipe. The hydrostatic testing machine comprises a rack and an annular pressure test liner; the axial direction of the pressure test liner and the rack are relatively fixed; a water inlet pipe is arranged in the pressure test liner; a water outlet of the water inlet pipe is formed in the outer surface of the lower side of the pressure test liner; an emptying channel is formed in the upper part of the pressure test liner; socket slot rings matched with the inside diameter of a steel cylinder to be detected are arranged at two ends of the pressure test liner; the socket slot rings and the pressure test liner are coaxially arranged; V-shaped rubber rings and rectangular rubber rings of the socket slot rings are sequentially arranged in a ring slot from inside to outside; an air inlet channel is arranged on the inner side of the ring slot. The to-be-tested steel cylinder is arranged on the pressure test liner in a sleeving manner and aerates towards the inside of the ring slot when the hydrostatic testing machine is used; the V-shaped rubber rings and the rectangular rubber rings are pushed out to seal the inner wall of the steel cylinder; the V-shaped rubber rings deform by pressure to seal the ring slot; water is injected into an annular space between the steel cylinder and the pressure test liner; whether the concrete pipe accords with the design requirements or not can be checked. Therefore, the hydrostatic testing machine is convenient to operate, easy to seal and quick in detecting.
Description
Technical field
The utility model relates to a kind of pressure experimental device, particularly a kind of water test unit of Prestressed concrete cylinder pipe steel cylinder.
Background technology
After Prestressed concrete cylinder pipe steel cylinder is made, need to carry out pressure test, to check its bearing capacity whether to meet designing requirement, in prior art, have a kind of for checking the hydrostatic testing machine of cylinder concrete pipe steel cylinder, mainly comprise the right end plate fixing with frame, right end plate left side is provided with first member plate, one pull bar is connected with first member plate through right end plate center, pull bar with the piston rod of a hydraulic cylinder to being connected, hydraulic cylinder and frame fix, between the end plate of left and right, be also provided with the pressure testing inner bag of hollow, the forward surface of left and right end plate is positioned at pressure testing inner bag periphery and is provided with O shape O-ring seal, in pressure testing inner bag, be provided with water inlet pipe, the water delivering orifice of water inlet pipe is arranged on pressure testing inner bag on the lower side on the outside surface of side, pressure testing inner bag top is provided with closable emptying passage, in use, steel cylinder is nested with on pressure testing inner bag, by hydraulic cylinder, pull pull bar, steel cylinder two ends are clamped, and make O-ring seal that steel cylinder is sealed at both ends, like this outside pressure testing inner bag and form the annular space of a sealing between steel cylinder inwall, by water inlet pipe, in this annular space, add water, from emptying passage exhaust, water will be filled with in annular space, close again emptying passage, now, on concrete pipe inwall, can produce and the consistent hydraulic pressure of water injection pressure, it is qualified that the steel cylinder that can bear examination requirements pressure is considered as.Its weak point is: because this steel cylinder is because diameter is large, the O-ring seal at two ends, because surface of contact is larger, easily causes and seals unsuccessfully; In addition, when steel cylinder being nested with on pressure testing inner bag, need to unload left end cap, be about to left end cap and pull bar and be separated, steel cylinder is connected left end cap after putting pressure testing inner bag again with pull bar, and the workload causing is like this large, and labor productivity is low.
Utility model content
The utility model proposes a kind of hydrostatic testing machine of Prestressed concrete cylinder pipe steel cylinder, solved in prior art in the hydraulic testing seal operation easy failure and workload is large, the problem of inefficiency.
The technical solution of the utility model is achieved in that
A hydrostatic testing machine for Prestressed concrete cylinder pipe steel cylinder, comprising:
The pressure testing inner bag of frame and annular, pressure testing inner bag is axially relative with frame fixing, in pressure testing inner bag, be provided with water inlet pipe, the water delivering orifice of water inlet pipe is arranged on the outside surface of pressure testing inner bag downside, pressure testing inner bag top is provided with closable emptying passage, its feature is, pressure testing inner bag two ends are provided with the bell and spigot grooved ring matching with steel cylinder internal diameter to be tested, bell and spigot grooved ring and pressure testing inner bag coaxially arrange, bell and spigot grooved ring is by annular groove, veegum circle and rectangle cushion rubber form, wherein, veegum circle and rectangle cushion rubber are successively set in annular groove from inside to outside, and the inner side of annular groove is provided with inlet channel.
As further technical scheme, be positioned at the free-ended socket grooved ring of pressure testing inner bag outside and be provided with the orienting lug with the coaxial setting of steel cylinder, the free end of orienting lug inwardly shrinks.
As further technical scheme, described bell and spigot grooved ring is on average set to several specifications in diameter value 600～4000mm, and adjacent described specification spacing is 200mm.
The utility model use principle and produce effect into:
In use, prestressed concrete pipe steel cylinder to be tested is pushed to (setting of pressure testing liner horizontal) or hangs in (pressure testing inner bag uprightly arranges) through dolly, steel cylinder is nested with on pressure testing inner bag, then by inlet channel, in annular groove, ventilate, release veegum circle and rectangle cushion rubber by steel cylinder inner wall sealing, veegum circle compressive deformation seals annular groove simultaneously, between steel cylinder and pressure testing inner bag, form like this annular space of sealing, then by water inlet pipe to water filling in annular space, after emptying passage vent gas, close, continue water filling, form certain inspection pressure, with check steel cylinder, whether meet designing requirement.Visible, the utility model is obviously easy to operate than prior art, and its water consumption is few, adopts radial expansion seal form, is more prone to sealing, can check very rapidly the load performance of steel cylinder whether to meet designing requirement.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model structural representation;
Fig. 2 is the A partial view of Fig. 1;
Fig. 3 is the B partial view of Fig. 1.
In figure: 1, orienting lug; 2, trustship car; 3, pressure testing inner bag; 4, steel cylinder; 5, track; 6, water inlet pipe; 7, frame; 8, water pump; 9, annular groove; 10, rectangle cushion rubber; 11, veegum circle; 12, emptying passage; 13, inlet channel.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in FIG. 1 to 3, the hydrostatic testing machine of a kind of Prestressed concrete cylinder pipe steel cylinder the utility model proposes, comprising:
The pressure testing inner bag 3 of frame 7 and annular, pressure testing inner bag 3 is axially relative with frame 7 fixing, in pressure testing inner bag 3, be provided with water inlet pipe 6, the water delivering orifice of water inlet pipe 6 is arranged on the outside surface of pressure testing inner bag 3 downsides, pressure testing inner bag 3 tops are provided with closable emptying passage 12, its feature is, pressure testing inner bag 3 two ends are provided with the bell and spigot grooved ring matching with steel cylinder to be tested 4 internal diameters, bell and spigot grooved ring and pressure testing inner bag 3 coaxially arrange, bell and spigot grooved ring is by annular groove 9, veegum circle 11 and rectangle cushion rubber 10 form, wherein, veegum circle 11 and rectangle cushion rubber 10 are successively set in annular groove 9 from inside to outside, and the inner side of annular groove 9 is provided with inlet channel 13.
As shown in Figure 1, a kind of embodiment of the present utility model, the hydrostatic testing machine of horizontal pre-stress steel cylinder 4 concrete pipe steel cylinders 4, the pressure testing inner bag 3 of horizontal setting is axially relative with frame 7 fixing, in pressure testing inner bag 3, be provided with water inlet pipe 6, water inlet pipe 6 is connected on the water delivering orifice of water pump 8, the water delivering orifice of water inlet pipe 6 is arranged on pressure testing inner bag 3 on the lower side on the outside surface of side, pressure testing inner bag 3 tops are provided with closable emptying passage 12, pressure testing inner bag 3 two ends are provided with the bell and spigot grooved ring matching with steel cylinder to be tested 4 internal diameters, bell and spigot grooved ring and pressure testing inner bag 3 coaxially arrange, bell and spigot grooved ring is by annular groove 9, veegum circle 11 and rectangle cushion rubber 10 form, wherein, veegum circle 11 and rectangle cushion rubber 10 are successively set in annular groove 9 from inside to outside, and the inner side of annular groove 9 is provided with inlet channel 13, in the utility model, the bell and spigot grooved ring arranging between pressure testing inner bag 3 and steel cylinder 4 disposes a plurality of specifications according to different-diameter, can change use according to steel cylinder 4 diameters differences, be inserted in smoothly pressure testing inner bag 3 for convenience of steel cylinder 4, be positioned at the free-ended socket grooved ring of pressure testing inner bag 3 outside and be provided with the orienting lug 1 with the coaxial setting of pressure testing inner bag 3, the free end of orienting lug 1 inwardly shrinks.The utility model can also be set to the embodiment that pressure testing inner bag 3 uprightly arranges (not shown), and in use, steel cylinder 4 to be tested is nested with on upright pressure testing inner bag 3 to hang in mode, and check use procedure is with horizontal.
In use, because steel cylinder 4 diameters are larger, steel cylinder to be tested 4 is nested with on pressure testing inner bag 3 along track 5 through trustship car 2, first steel cylinder 4 is inserted in orienting lug 1, under the guide effect of orienting lug 1, can be nested with smoothly outside pressure testing inner bag 3; Then pass through inlet channel 13 to the interior ventilation of annular groove 9, release veegum circle 11 and rectangle cushion rubber 10 by steel cylinder 4 inner wall sealings, veegum circle 11 compressive deformations are by annular groove 9 sealings simultaneously, between pressure testing inner bag 3 and steel cylinder 4, form like this annular space of sealing, then start water pump 8 by water inlet pipe 6 to water filling in annular space, after emptying passage 12 vent gas, close, continue water filling, form certain inspection pressure, with check steel cylinder 4, whether meet designing requirement, can check very rapidly the load performance of steel cylinder 4 whether to meet designing requirement.
As further technical scheme, be positioned at the free-ended socket grooved ring of pressure testing inner bag 3 outside and be provided with the orienting lug 1 with the coaxial setting of steel cylinder 4, the free end of orienting lug 1 inwardly shrinks.
Be inserted in smoothly pressure testing inner bag 3 for convenience of steel cylinder 4, be positioned at the free-ended socket grooved ring of pressure testing inner bag 3 outside and be provided with the orienting lug 1 with the coaxial setting of pressure testing inner bag 3, the free end of orienting lug 1 inwardly shrinks.First steel cylinder 4 is inserted in orienting lug 1, under the guide effect of orienting lug 1, can be nested with smoothly outside pressure testing inner bag 3.
As further technical scheme, described bell and spigot grooved ring is on average set to several specifications in diameter value 600～4000mm, and adjacent described specification spacing is 200mm.
The bell and spigot grooved ring arranging between pressure testing inner bag 3 and steel cylinder 4 in the utility model disposes a plurality of specifications according to different-diameter, during check, only need to change the free-ended socket grooved ring of pressure testing inner bag 3, the steel cylinder 4 that just can adapt to different inner diameters, realizes the steel cylinder 4 that can simultaneously detect sizes on a covering device.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. the hydrostatic testing machine of a Prestressed concrete cylinder pipe steel cylinder, the pressure testing inner bag (3) that comprises frame (7) and annular, described pressure testing inner bag (3) is axially relative fixing with described frame (7), in described pressure testing inner bag (3), be provided with water inlet pipe (6), the water delivering orifice of described water inlet pipe (6) is arranged on the outside surface of described pressure testing inner bag (3) downside, described pressure testing inner bag (3) top is provided with closable emptying passage (12), it is characterized in that: described pressure testing inner bag (3) two ends are provided with the bell and spigot grooved ring matching with steel cylinder to be tested (4) internal diameter, described bell and spigot grooved ring and described pressure testing inner bag (3) coaxially arrange, described bell and spigot grooved ring is by annular groove (9), veegum circle (11) and rectangle cushion rubber (10) form, wherein, described veegum circle (11) and described rectangle cushion rubber (10) are successively set in described annular groove (9) from inside to outside, and the inner side of described annular groove (9) is provided with inlet channel (13).
2. the hydrostatic testing machine of a kind of Prestressed concrete cylinder pipe steel cylinder according to claim 1, it is characterized in that: be positioned at the free-ended described bell and spigot grooved ring of described pressure testing inner bag (3) outside and be provided with the orienting lug (1) with the coaxial setting of steel cylinder (4), the free end of described orienting lug (1) inwardly shrinks.
3. the hydrostatic testing machine of a kind of Prestressed concrete cylinder pipe steel cylinder according to claim 1 and 2, it is characterized in that: described bell and spigot grooved ring is on average set to several specifications in diameter value 600～4000mm, and adjacent described specification spacing is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330429.2U CN203894118U (en) | 2014-06-20 | 2014-06-20 | Hydrostatic testing machine for steel cylinder of prestressed concrete cylinder pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330429.2U CN203894118U (en) | 2014-06-20 | 2014-06-20 | Hydrostatic testing machine for steel cylinder of prestressed concrete cylinder pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894118U true CN203894118U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420330429.2U Expired - Fee Related CN203894118U (en) | 2014-06-20 | 2014-06-20 | Hydrostatic testing machine for steel cylinder of prestressed concrete cylinder pipe |
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| CN (1) | CN203894118U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067444A (en) * | 2015-08-04 | 2015-11-18 | 新兴铸管股份有限公司 | Supercharging test apparatus and use method thereof |
| CN107144473A (en) * | 2017-07-03 | 2017-09-08 | 宁波友宁钢管有限公司 | Pipe hydraulic pressure detection device |
| CN108507869A (en) * | 2018-06-21 | 2018-09-07 | 中国重型机械研究院股份公司 | A kind of Large Diameter Pipeline steel tube water pressure test system and method |
| CN112129642A (en) * | 2020-10-10 | 2020-12-25 | 河南省富臣管业有限公司 | Hydraulic test device for steel cylinder of prestressed steel cylinder concrete pipe |
-
2014
- 2014-06-20 CN CN201420330429.2U patent/CN203894118U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067444A (en) * | 2015-08-04 | 2015-11-18 | 新兴铸管股份有限公司 | Supercharging test apparatus and use method thereof |
| CN105067444B (en) * | 2015-08-04 | 2017-07-04 | 新兴铸管股份有限公司 | Pressurization test set and its application method |
| CN107144473A (en) * | 2017-07-03 | 2017-09-08 | 宁波友宁钢管有限公司 | Pipe hydraulic pressure detection device |
| CN108507869A (en) * | 2018-06-21 | 2018-09-07 | 中国重型机械研究院股份公司 | A kind of Large Diameter Pipeline steel tube water pressure test system and method |
| CN108507869B (en) * | 2018-06-21 | 2023-11-07 | 中国重型机械研究院股份公司 | Hydraulic test system and method for large-diameter steel pipe |
| CN112129642A (en) * | 2020-10-10 | 2020-12-25 | 河南省富臣管业有限公司 | Hydraulic test device for steel cylinder of prestressed steel cylinder concrete pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160620 |