CN214719556U - Automatic roundness adjusting device for pressure steel pipe - Google Patents
Automatic roundness adjusting device for pressure steel pipe Download PDFInfo
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- CN214719556U CN214719556U CN202120669505.2U CN202120669505U CN214719556U CN 214719556 U CN214719556 U CN 214719556U CN 202120669505 U CN202120669505 U CN 202120669505U CN 214719556 U CN214719556 U CN 214719556U
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Abstract
The utility model relates to a pressure steel pipe's automatic adjusting device of circularity belongs to pressure steel pipe construction field. The utility model comprises an internal supporting structure and a PLC system for controlling the internal supporting structure; the inner support structure comprises a central disc and a plurality of fixing rods uniformly distributed on the periphery of the disc, and hydraulic jacks are fixed at the tail ends of the fixing rods; the PLC system comprises a PLC control system, a hydraulic system and a human-computer interface operating device, the PLC control system is respectively connected with the hydraulic system and the human-computer interface operating device, the hydraulic system comprises a hydraulic pump station, a stroke sensor and a pressure sensor, the stroke sensor and the pressure sensor are fixed on a hydraulic jack, and the hydraulic jack is connected with the hydraulic pump station through a pipeline. The utility model discloses set for the support pressure parameter according to the construction process requirement, the quantization pressure value avoids pressure too big or not enough to reduce the support effect, and degree of automation is high, and device integral erection is convenient with the dismantlement.
Description
Technical Field
The utility model relates to a when being arranged in pipeline under pressure installation roundness to keep and steel pipe lateral wall backfill concrete, offset the lateral pressure of backfilling, guarantee roundness automatic regulating apparatus in the steel pipe under pressure installation, belong to steel pipe under pressure construction field.
Background
The pressure steel pipe is an important water delivery building in water conservancy and hydropower engineering, and after the large pressure steel pipe is manufactured, an inner supporting device is generally required to be additionally arranged in the pressure steel pipe to keep the roundness of the steel pipe during installation in a tunnel and during concrete backfilling. The inner support is generally arranged in the steel pipe to offset the pressure of the backfilled concrete and ensure the roundness of the steel pipe in order to ensure that the steel pipe is not deformed due to the pressure of the concrete backfilling during the concrete backfilling process after the steel pipe is installed.
The existing common inner support mode comprises a welding mode, a screw rod type and a common mechanical hydraulic type, but the modes need manual operation, the workload is large, the automatic adjustment of the roundness of the steel pipe cannot be realized, and the use is time-consuming and inconvenient.
Disclosure of Invention
The utility model discloses a solve the problem of the unable automatic adjustment of steel pipe circularity among the prior art, provide a pressure steel pipe's circularity automatic regulating apparatus, adjust pressure steel pipe circularity in real time and make it remain stable, improve steel pipe installation quality.
The utility model adopts the technical proposal that: an automatic roundness adjusting device for a penstock comprises an inner support structure and a PLC system for controlling the inner support structure;
the inner support structure comprises a central disc 1 and fixing rods 2 uniformly distributed on the periphery of the disc 1, and hydraulic jacks 3 are fixed at the tail ends of the fixing rods 2;
the PLC system comprises a PLC control system, a hydraulic system and a human-computer interface operating device, the PLC control system is respectively connected with the hydraulic system and the human-computer interface operating device, the hydraulic system comprises a hydraulic pump station 6, a stroke sensor 4 and a pressure sensor 5, the stroke sensor 4 and the pressure sensor 5 are fixed on a hydraulic jack 3, the hydraulic jack 3 is connected with the hydraulic pump station 6, the PLC control system adjusts the movement of the hydraulic jack 3 by controlling the hydraulic pump station 6, meanwhile, the stroke sensor 4 and the pressure sensor 5 respectively monitor the length and the pressure of the hydraulic jack 3 and transmit data to the PLC control system, and the PLC control system controls the start and stop of the hydraulic pump station 6.
Furthermore, the disc 1 and the fixed rod 2 are detachably connected.
Furthermore, a plurality of small holes are uniformly formed in the periphery of the disc 1, internal threads are formed in the small holes, external threads are also formed in one end of the fixing rod 2, and the fixing rod 2 is in threaded connection with the small holes.
Furthermore, the human-computer interface operation device is a wireless remote control device, and the wireless remote control device is communicated with the PLC control system through a communication module.
Further, the hydraulic pump station 6 and the PLC control system are both fixed on the disc 1
The utility model discloses a theory of operation: an operator can set the supporting pressure through the wireless remote control device, the PLC control system is started, the hydraulic jack is adjusted to be ejected out or descended by controlling the hydraulic pump station, the hydraulic jack is supported to reach the set length, after the supporting pressure reaches the set value, the monitoring value is returned through the stroke sensor and the pressure sensor, the PLC control system controls the hydraulic pump station to adjust and support and lock, and the set length and the supporting pressure are kept. For the support which needs a long time for installation, if the pressure slowly decreases and the support strength is insufficient, when the pressure sensor monitors that the pressure decreases to a warning value, the PLC computer control system automatically starts the hydraulic pump station to adjust the support pressure.
The utility model has the advantages that: 1. and setting a support pressure parameter according to the construction process requirement, quantizing a pressure value, and avoiding reduction of the support effect due to overlarge or insufficient pressure.
2. After the inner support structure is supported in place, the jack does not need to be dismantled. The jack support system can bear load for a long time, the pressure and stroke sensors detect jack support parameters in real time, the jack with unstable pressure is supplemented with pressure in time, and the support system is stabilized.
3. The automatic degree is high, and the PLC control system controls the hydraulic jacks to synchronously eject and descend, so that operators do not need to manually operate the hydraulic jacks one by one. The device is convenient to integrally install and disassemble, adopts a modular design, can be repeatedly used and can be used in a team.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the usage state of the present invention;
the reference numbers in the figures: the device comprises a disc 1, a fixed rod 2, a hydraulic jack 3, a stroke sensor 4, a pressure sensor 5, a hydraulic pump station 6, a pipeline 7 and a pressure steel pipe 8.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example 1: as shown in fig. 1-2, an automatic roundness adjusting device for a penstock comprises an inner support structure and a PLC system for controlling the inner support structure;
the inner support structure comprises a central disc 1 and fixing rods 2 uniformly distributed on the periphery of the disc 1, and hydraulic jacks 3 are fixed at the tail ends of the fixing rods 2;
the PLC system comprises a PLC control system, a hydraulic system and a human-computer interface operating device, the PLC control system is respectively connected with the hydraulic system and the human-computer interface operating device, the hydraulic system comprises a hydraulic pump station 6, a stroke sensor 4 and a pressure sensor 5, the stroke sensor 4 and the pressure sensor 5 are fixed on a hydraulic jack 3, the pressure sensor 5 is fixed at the tail end of the hydraulic jack 3, the hydraulic jack 3 is connected with the hydraulic pump station 6 through a pipeline 7, the PLC control system adjusts the movement of the hydraulic jack 3 by controlling the hydraulic pump station 6, meanwhile, the stroke sensor 4 and the pressure sensor 5 respectively monitor the length and the pressure of the hydraulic jack 3 and transmit data to the PLC control system, the PLC control system controls the start and stop of the hydraulic pump station 6, wherein the PLC control system is electrically connected with the stroke sensor 4 and the pressure sensor 5, the human-computer interface operation device is a wireless remote control device, the wireless remote control device is communicated with the PLC control system through a communication module, and the wireless remote control device is suitable for products in the prior art.
All fix hydraulic power unit 6 and PLC control system on disc 1 in this embodiment, overall structure reasonable in design like this, the operation is convenient, operating personnel is when using, install whole device in penstock 8 earlier, can long-rangely set for the support pressure through wireless remote control unit according to the construction process requirement, PLC control system starts, through controlling hydraulic power unit 6, adjustment hydraulic jack 3 is ejecting or descend, treat that hydraulic jack 3's support reaches the settlement length, after the support pressure reaches the settlement, through stroke sensor 4 and pressure sensor 5 real-time supervision and return monitoring value, PLC control system supports the locking according to the data control hydraulic power unit 6 adjustment that feeds back, keep settlement length and support pressure. For the support which needs a long time for installation, if the pressure slowly decreases and the support strength is insufficient, when the pressure sensor 5 monitors that the pressure decreases to a warning value, the PLC control system automatically starts the hydraulic pump station 6 to adjust the support pressure to restore the support pressure to a normal value, so that the whole device is stable, the stability of the pressure steel pipe is ensured, the PLC control system is utilized to realize the automation of operation, and the adjustment precision and efficiency are further improved.
Example 2: the rest of this embodiment is the same with embodiment 1, wherein this embodiment adopts the modularized design, set up to dismantling the connection between disc 1 and the dead lever 2, wherein the connected mode can adopt and evenly seted up a plurality of apertures in disc 1 periphery, the inside internal thread of seting up of aperture, the external screw thread has also been seted up to 2 one ends of dead lever, be threaded connection between dead lever 2 and the aperture, device integral erection is convenient with the dismantlement like this, and can set up dead lever 2 and the hydraulic jack 3 that corresponds of different positions and quantity according to actual need, parts ability used repeatedly simultaneously, also can make up the use, the very big operating personnel that has made things convenient for.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a roundness automatic adjusting device of penstock which characterized in that: the device comprises an internal support structure and a PLC system for controlling the internal support structure;
the inner support structure comprises a central disc (1) and a plurality of fixing rods (2) uniformly distributed on the periphery of the disc (1), and hydraulic jacks (3) are fixed at the tail ends of the fixing rods (2);
the PLC system comprises a PLC control system, a hydraulic system and a human-computer interface operating device, wherein the PLC control system is respectively connected with the hydraulic system and the human-computer interface operating device, the hydraulic system comprises a hydraulic pump station (6), a stroke sensor (4) and a pressure sensor (5), the stroke sensor (4) and the pressure sensor (5) are fixed on the hydraulic jack (3), the hydraulic jack (3) is connected with the hydraulic pump station (6) through a pipeline (7), the PLC control system adjusts the movement of the hydraulic jack (3) through controlling the hydraulic pump station (6), the stroke sensor (4) and the pressure sensor (5) respectively monitor the length and the pressure of the hydraulic jack (3) and transmit data to the PLC control system, and the PLC control system controls the start and stop of the hydraulic pump station (6).
2. The automatic roundness adjusting apparatus for penstock according to claim 1, wherein: the disc (1) and the fixed rod (2) are detachably connected.
3. The automatic roundness adjusting apparatus for penstock according to claim 2, wherein: a plurality of small holes are uniformly formed in the periphery of the disc (1), internal threads are formed in the small holes, external threads are also formed in one end of the fixing rod (2), and the fixing rod (2) is in threaded connection with the small holes.
4. The automatic roundness adjusting apparatus for penstock according to claim 1, wherein: the human-computer interface operation device is a wireless remote control device which is communicated with the PLC control system through a communication module.
5. The automatic roundness adjusting apparatus for penstock according to claim 1, wherein: and the hydraulic pump station (6) and the PLC control system are both fixed on the disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669505.2U CN214719556U (en) | 2021-04-01 | 2021-04-01 | Automatic roundness adjusting device for pressure steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669505.2U CN214719556U (en) | 2021-04-01 | 2021-04-01 | Automatic roundness adjusting device for pressure steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214719556U true CN214719556U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120669505.2U Active CN214719556U (en) | 2021-04-01 | 2021-04-01 | Automatic roundness adjusting device for pressure steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214719556U (en) |
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2021
- 2021-04-01 CN CN202120669505.2U patent/CN214719556U/en active Active
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