CN210487178U - Anti-leakage performance tester for bent metal corrugated pipe - Google Patents
Anti-leakage performance tester for bent metal corrugated pipe Download PDFInfo
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- CN210487178U CN210487178U CN201921806797.9U CN201921806797U CN210487178U CN 210487178 U CN210487178 U CN 210487178U CN 201921806797 U CN201921806797 U CN 201921806797U CN 210487178 U CN210487178 U CN 210487178U
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Abstract
The utility model discloses a leakage resistance tester after bending of a metal corrugated pipe, which comprises a frame, a bottom frame and a fixed frame; the fixed frame comprises two vertical brackets which are vertically arranged and a horizontal bracket which is positioned at the top end of the fixed frame; the sliding frames are fixed between the two fixed frames and are positioned on the vertical supports opposite to the two fixed frames, and the two fixed frames are provided with a plurality of sliding frames in the vertical direction; the positioning device comprises a plurality of positioning slide bars, a positioning slide bar and a positioning slide bar, wherein each two carriages with the same height are provided with one positioning slide bar; the bearing plate is arranged above one end of the bottom frame and is fixedly connected with the vertical bracket of the fixed frame; the lower pressing plate is positioned right above the pressure bearing plate; the supporting plate is positioned right above the lower pressing plate; the lower end of the lower pressing screw is fixedly connected with the lower pressing plate; the tester solves the problem of testing the anti-leakage performance of the metal corrugated pipe, and has the advantages of simple structure and quick and accurate test.
Description
Technical Field
The utility model belongs to the technical field of the corrugated metal pipe is experimental, more specifically says, the utility model relates to an anti leakage test appearance in corrugated metal pipe crooked back.
Background
In the engineering construction, a large number of metal corrugated pipes are used, particularly for precast beams, in the prestressed part of the precast beams, prestressed steel strands need to pass through the corrugated pipes, when the strength of concrete reaches a certain strength, the prestressed steel strands are tensioned, grouting is needed after tensioning is finished, and finally, the precast beams are closed, so that each precast beam needs the corrugated pipe. Therefore, the quality of the metal corrugated pipe directly influences the building safety of the bridge, and the standard can not well adapt to the requirement of new technology development due to the lack of systematic test basis and mature engineering experience summary.
The impervious test method of the metal corrugated pipe allows the irrigation method to be adopted for the impervious test of the impervious performance test piece after bearing concentrated load, and the grouting test can be continuously adopted when the irrigation test has water seepage, thereby facilitating the test. The flat pipe is suitable for plate structures with small thickness, and the bending curvature radius of the flat pipe is 4 m.
In order to enhance the quality management of the metal corrugated pipe for prestressed concrete and improve the technical level and the engineering quality of the prestressed process, the metal corrugated pipe for prestressed concrete must meet the mandatory standard JG 225-2007. The new standard is based on summarizing production, inspection and engineering application of the metal corrugated pipe for more than 20 years in China, and creatively adds and modifies related provisions by taking a large amount of test data as a basis, improves related contents, modifies a test method, and is an advanced product standard which has guiding significance for the production, engineering application and inspection of the corrugated pipe.
At present, few detection mechanisms are used for carrying out quality inspection of metal corrugated pipes in China, the anti-leakage performance of the metal corrugated pipes is mostly detected by taking the anti-leakage performance after the specified concentrated load action as an evaluation index, a corresponding metal corrugated pipe bending anti-leakage performance test device is not known, and the bending anti-leakage test method is closer to the actual engineering. At present, domestic detection mechanisms mostly adopt the anti-leakage performance after the specified concentrated load action as an evaluation index, and no corresponding metal corrugated pipe bending anti-leakage performance test device exists. The technical key point of the metal corrugated pipe bending leakage resistance test device is that the arc of the long pipe fitting is approximate, and multipoint bending is adopted to ensure the synchronism of selected points to enable the selected points to approximate to the arc.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a metal bellows bending back leak resistance tester, including:
the frame structurally comprises a bottom frame and fixed frames respectively arranged at two ends of the bottom frame;
the bottom frame and the fixed frame are both rectangular frame structures; the fixed frame comprises two vertical brackets which are vertically arranged and a horizontal bracket which is positioned at the top end of the fixed frame;
the sliding frames are fixed between the two fixed frames and are positioned on the vertical supports opposite to the two fixed frames, namely two sliding frames with the same height are fixed between the two fixed frames, and the two fixed frames are provided with a plurality of sliding frames in the vertical direction;
the positioning device comprises a plurality of positioning slide bars, a positioning slide bar and a positioning slide bar, wherein each two carriages with the same height are provided with one positioning slide bar;
the bearing plate is arranged above one end of the bottom frame and is fixedly connected with the vertical bracket of the fixed frame; the lower pressing plate is positioned right above the pressure bearing plate and is in sliding connection with the two vertical supports of the fixed frame; the supporting plate is positioned right above the lower pressing plate and is fixedly connected with the vertical support; the lower pressing screw rod penetrates through the supporting plate and is in threaded connection with the supporting plate, and the lower end of the lower pressing screw rod is fixedly connected with the lower pressing plate.
Preferably, wherein the structure for positioning the slide bar comprises:
the sleeve is sleeved on the sliding frame; wherein, two carriages with the same height are respectively sleeved with a sleeve; a screw hole provided on each sleeve;
the limiting rod is fixed between the two sleeves;
and the positioning screw is arranged in the screw hole of each sleeve.
Preferably, the two ends of the lower pressing plate are provided with grooves matched with the two vertical supports of the fixed frame, and the lower pressing plate is connected with the two vertical supports in a sliding mode through the grooves.
Preferably, a fixed circular truncated cone is arranged at the center of the upper surface of the lower pressing plate, and the lower end of the pressing screw is fixed in the fixed circular truncated cone.
Preferably, a rotating handle is arranged at the upper end of the pressing screw rod.
Preferably, a connecting cross bar is arranged between the two vertical brackets of the fixed frame.
Preferably, the horizontal bracket and the vertical bracket of the fixed frame are rectangular parallelepiped structures.
Preferably, wherein the carriage is of cylindrical construction.
The utility model discloses at least, include following beneficial effect: the utility model provides a test problem of anti leakage performance after the metal bellows is crooked, solved corresponding instrument disappearance problem, instrument simple structure, when using this instrument test crooked metal bellows's anti leakage performance, simple to metal bellows's fixed method, the test method is quick accurate, and test method accords with the standard requirement moreover.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
fig. 1 is a schematic structural view of an anti-leakage tester for a bent metal bellows provided by the present invention;
fig. 2 is a schematic diagram of a frame structure of the anti-leakage tester for a bent metal corrugated pipe provided by the present invention;
fig. 3 is the utility model provides a press plate structure schematic diagram of anti leak test appearance after the metal bellows is crooked.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-3: the utility model discloses a be used for crooked back impervious mouthful tester of corrugated metal pipe, include:
the structure of the frame comprises a bottom frame 1 and fixed frames 2 respectively arranged at two ends of the bottom frame 1;
the bottom frame 1 and the fixed frame 2 are both rectangular frame structures; the fixed frame 2 comprises two vertical brackets 21 which are vertically arranged and a horizontal bracket 22 which is positioned at the top end of the fixed frame 2;
the sliding frame 4 is fixed between the two fixed frames 2 and is positioned on the vertical supports 21 opposite to the two fixed frames 2, namely two sliding frames 4 with the same height are fixed between the two fixed frames 2, and the two fixed frames 2 are provided with a plurality of sliding frames 4 in the vertical direction;
a plurality of positioning slide bars 13, wherein each two carriages 4 with the same height are provided with one positioning slide bar 13;
the pressure bearing plate 12 is arranged above one end of the bottom frame 1 and is fixedly connected with the vertical bracket 21; the lower pressing plate 8 is positioned right above the pressure bearing plate 12 and is in sliding connection with the two vertical brackets 21 of the fixed frame 2; the supporting plate 9 is positioned right above the lower pressing plate 8 and is fixedly connected with the vertical bracket 21; and the lower pressing screw rod 10 penetrates through the support plate 9 and is in threaded connection with the support plate 9, and the lower end of the lower pressing screw rod 10 is fixedly connected with the lower pressing plate 8.
The working principle is as follows: when the tester is used for testing the anti-leakage performance of the bent metal corrugated pipe, the position of each positioning slide rod 13 on the sliding frame 4 is set according to the length of the metal corrugated pipe, the positioning slide rods 13 are fixed on the sliding frame 4, one end of the metal corrugated pipe is arranged between the lower pressure plate 8 and the bearing plate 12, the lower pressure screw 10 is screwed downwards, the lower end of the metal corrugated pipe is fixed between the lower pressure plate 8 and the bearing plate 12, and then the port of the metal corrugated pipe between the lower pressure plate 8 and the bearing plate 12 is sealed; bending the metal corrugated pipe into an arc shape, placing the metal corrugated pipe above each positioning slide rod 13, and limiting and fixing the metal corrugated pipe by the positioning slide rods 13 to keep the metal corrugated pipe in a bent state and prevent the metal corrugated pipe from rebounding; and (2) filling pure cement slurry or clear water into the upper end of the metal corrugated pipe to ensure that the metal corrugated pipe is filled, observing for a certain time, wherein if the metal corrugated pipe does not leak, the metal corrugated pipe has good leakage resistance after being bent, and otherwise, the metal corrugated pipe has poor leakage resistance after being bent.
In the above technical solution, the structure of the positioning sliding rod 13 includes:
a sleeve 5 sleeved on the carriage 4; wherein, two carriages 4 with the same height are respectively sleeved with a sleeve 5; a screw hole provided on each sleeve 5;
a limiting rod 6 fixed between the two sleeves 5;
a positioning screw 7 provided in a screw hole of each sleeve 5; the positioning screw 7 is unscrewed, the positioning slide rod 13 can slide on the sliding frame 4, and the positioning slide rod 13 can be fixed on the sliding frame 4 by screwing the positioning screw 7.
In the above technical solution, two ends of the lower pressing plate 8 are provided with grooves 82 adapted to the two vertical supports 4, and the lower pressing plate 8 is slidably connected to the two vertical supports 4 through the grooves 82; the groove 82 can enable the lower pressing plate 8 to slide up and down on the vertical support, and also limits the horizontal sliding of the lower pressing plate 8, so that the phenomenon of slipping between the lower pressing plate 8 and the vertical support 21 when the metal corrugated pipe is fixed is avoided.
In the above technical solution, a fixed circular truncated cone 81 is disposed at the center of the upper surface of the lower press plate 8, and the lower end of the lower press screw 10 is fixed in the fixed circular truncated cone 81.
In the above technical scheme, the upper end of the downward-pressing screw rod 10 is provided with the rotating handle, the downward-pressing screw rod 10 is pressed downward by rotating the rotating handle, so that the effect of fixing the metal corrugated pipe is achieved, and when the rotating handle enables the downward-pressing screw rod 10 to be lifted upward, the metal corrugated pipe can be taken out.
In the above technical solution, a connecting cross bar 11 is arranged between two vertical supports 21 of the fixed frame 2, and the cross bar 11 has a reinforcing effect on the two vertical supports 21.
In the above technical solution, the horizontal support 22 and the vertical support 21 of the fixed frame 2 are rectangular parallelepiped structures.
In the above technical solution, the carriage 4 is a cylindrical structure, and the cylindrical carriage 4 facilitates the sliding of the positioning slide bar 13.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides an anti leakage performance test appearance after metal bellows is crooked which characterized in that includes:
the frame structurally comprises a bottom frame and fixed frames respectively arranged at two ends of the bottom frame;
the bottom frame and the fixed frame are both rectangular frame structures; the fixed frame comprises two vertical brackets which are vertically arranged and a horizontal bracket which is positioned at the top end of the fixed frame;
the sliding frames are fixed between the two fixed frames and are positioned on the vertical supports opposite to the two fixed frames, namely two sliding frames with the same height are fixed between the two fixed frames, and the two fixed frames are provided with a plurality of sliding frames in the vertical direction;
the positioning device comprises a plurality of positioning slide bars, a positioning slide bar and a positioning slide bar, wherein each two carriages with the same height are provided with one positioning slide bar;
the bearing plate is arranged above one end of the bottom frame and is fixedly connected with the vertical bracket of the fixed frame; the lower pressing plate is positioned right above the pressure bearing plate and is in sliding connection with the two vertical supports of the fixed frame; the supporting plate is positioned right above the lower pressing plate and is fixedly connected with the vertical support; the lower pressing screw rod penetrates through the supporting plate and is in threaded connection with the supporting plate, and the lower end of the lower pressing screw rod is fixedly connected with the lower pressing plate.
2. A tester for testing the resistance of a metal bellows to leakage after bending as set forth in claim 1, wherein said positioning slide bar comprises:
the sleeve is sleeved on the sliding frame; wherein, two carriages with the same height are respectively sleeved with a sleeve; a screw hole provided on each sleeve;
the limiting rod is fixed between the two sleeves;
and the positioning screw is arranged in the screw hole of each sleeve.
3. The tester for testing the leakage resistance of the bent metal corrugated pipe as claimed in claim 1, wherein the two ends of the lower pressing plate are provided with grooves matched with the two vertical supports of the fixed frame, and the lower pressing plate is slidably connected with the two vertical supports through the grooves.
4. The tester for testing the leakage resistance of the bent metal corrugated pipe according to claim 1, wherein a fixing circular truncated cone is arranged at the center of the upper surface of the lower pressing plate, and the lower end of the lower pressing screw is fixed in the fixing circular truncated cone.
5. A tester for testing the leakage resistance of a metal bellows after bending as set forth in claim 1, wherein said push-down screw is provided at its upper end with a turning knob.
6. The tester for testing the leakage resistance of the bent metal corrugated pipe according to claim 1, wherein a connecting cross bar is arranged between the two supporting rods of the fixed frame.
7. The apparatus for testing the leakage resistance of a metal bellows after bending according to claim 1, wherein the horizontal and vertical supports of the fixing frame have a rectangular parallelepiped structure.
8. A tester for testing the resistance of a corrugated metal pipe to leakage after bending as set forth in claim 1, wherein said carriage is of a cylindrical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806797.9U CN210487178U (en) | 2019-10-25 | 2019-10-25 | Anti-leakage performance tester for bent metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806797.9U CN210487178U (en) | 2019-10-25 | 2019-10-25 | Anti-leakage performance tester for bent metal corrugated pipe |
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| CN210487178U true CN210487178U (en) | 2020-05-08 |
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| CN201921806797.9U Active CN210487178U (en) | 2019-10-25 | 2019-10-25 | Anti-leakage performance tester for bent metal corrugated pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504749A (en) * | 2020-05-12 | 2020-08-07 | 山东广信工程试验检测集团有限公司 | Metal corrugated pipe bending device for leakage resistance test |
| CN112146995A (en) * | 2020-10-26 | 2020-12-29 | 贵州省质安交通工程监控检测中心有限责任公司 | Bending leakage resistance testing device for vertical metal corrugated pipe |
| CN114034444A (en) * | 2021-11-29 | 2022-02-11 | 贵州华创智投工程技术咨询有限公司 | Metal corrugated pipe bending tester and testing method thereof |
-
2019
- 2019-10-25 CN CN201921806797.9U patent/CN210487178U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504749A (en) * | 2020-05-12 | 2020-08-07 | 山东广信工程试验检测集团有限公司 | Metal corrugated pipe bending device for leakage resistance test |
| CN112146995A (en) * | 2020-10-26 | 2020-12-29 | 贵州省质安交通工程监控检测中心有限责任公司 | Bending leakage resistance testing device for vertical metal corrugated pipe |
| CN114034444A (en) * | 2021-11-29 | 2022-02-11 | 贵州华创智投工程技术咨询有限公司 | Metal corrugated pipe bending tester and testing method thereof |
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Address after: 621000 No. 59 Qinglong Avenue, Fucheng District, Sichuan, Mianyang Patentee after: Sichuan Zhentong Testing Co.,Ltd. Address before: 621000 No. 59 Qinglong Avenue, Fucheng District, Sichuan, Mianyang Patentee before: SICHUAN ZHENTONG HIGHROAD PROJECT EXPERIMENTATION & DETECTION Co.,Ltd. |