CN215593698U - Prestress tension intelligent control system - Google Patents
Prestress tension intelligent control system Download PDFInfo
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- CN215593698U CN215593698U CN202121680849.XU CN202121680849U CN215593698U CN 215593698 U CN215593698 U CN 215593698U CN 202121680849 U CN202121680849 U CN 202121680849U CN 215593698 U CN215593698 U CN 215593698U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of road and bridge construction and maintenance, in particular to a prestress tension intelligent control system, which solves the technical problem that the existing configuration mode of a displacement sensor in the prior art is limited in space condition, so that the error of basic construction data accumulation is large. One end of the guide mechanism is connected with the installation connecting end of the anchorage device and the construction body and is arranged at the extension end of the jack for outputting the prestressed steel strand; the displacement assembly can bear the pushing force generated after the output prestress steel strand contacts with the displacement assembly and can generate the same displacement value as the prestress steel strand when being stretched; and an elongation value detection device arranged at one end of the guide mechanism far away from the anchorage device and used for detecting the displacement value. According to the technical scheme, more construction spaces for prestress construction treatment during road and bridge construction and maintenance can be effectively released, and a lighter disposal mode is realized for the displacement detection mode, so that the adaptability is stronger.
Description
Technical Field
The utility model relates to the technical field of road and bridge construction and maintenance, in particular to an intelligent control system for prestress tension.
Background
Under the existing trend, in bridge road construction, prestress construction and prestress maintenance are widely applied, wherein the durability of the structure can be directly influenced by the quality of the construction quality of a key process, namely tensioning, the existing condition of manually recording data in the prestress construction is common, the real quality condition is difficult to master, the prestress construction and maintenance are not in place, and the structure can crack too early and has over-deflection; uneven prestress can cause early fatigue of the prestressed tendons, and the service life of the bridge is endangered.
In the prior art, the prestress tensioning is generally realized by driving a jack by an oil pump, and the control tensioning force is obtained through the reading of a pressure gauge; the displacement data of the prestressed steel strands are read through a displacement sensor, and the displacement sensor is generally installed on the periphery of the jack in a matched mode or a temporary support system is built to be installed, and the displacement sensor is equivalent to the position of the displacement sensor generally between the jack and an anchor point; in fact, the displacement sensor can ensure the reserved space to be installed when actually setting up when constructing a new road and bridge, and the pre-stress treatment when maintaining the road and bridge primarily considers the configuration space of the jack, so that the displacement sensor is difficult to have enough space to configure, and when constructing the new road and bridge, the installation position of the displacement sensor at each time can be slightly different, and the displacement sensor is also difficult to control within the installation error range, so that the initial and termination data of displacement measurement are greatly different, and the accumulation of basic data is not beneficial to guiding the subsequent construction.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent control system for prestress tension, aiming at solving the technical problem that the existing configuration mode of a displacement sensor in the prior art is limited in space condition, so that the error of foundation construction data accumulation is large.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a prestressing force tensioning intelligence control system, includes the ground tackle that is used for drawing prestressing force steel strand's jack and is used for prefabricated prestressing force steel strand, includes:
one end of the guide mechanism is connected with the installation connecting end of the anchorage device and the construction body and is arranged at the extension end of the jack for outputting the prestressed steel strand;
the guide mechanism comprises a displacement assembly, the displacement assembly can bear a pushing force generated after the output prestress steel strand is contacted with the displacement assembly, and the displacement assembly can generate the same displacement value as that generated when the prestress steel strand is elongated;
an elongation value detection device arranged at an end of the guide mechanism remote from the anchor for detecting the displacement value.
Further, the guide mechanism includes:
a guide mounting part forming a mounting space in which the jack can be located.
Further, the guide mounting portion includes:
the installation disc can be installed at the installation connecting end of the anchorage device and the construction body;
the first ends of the three fixing columns are perpendicular to and fixedly connected with the mounting plate;
the three fixing columns are connected to the mounting plate and are arranged in a triangular shape;
the connecting ring is perpendicular to and fixedly connected with the second ends of the three fixing columns;
and a space formed among the three fixing columns is the mounting space.
Further, the guide mechanism further includes:
the guide shell is fixedly connected with the connecting ring;
the guide shell is in a hollow cylindrical shape.
Further, the length of the fixed column is greater than that of the jack, and the length of the fixed column is 1.2 times of that of the jack.
Furthermore, a plurality of guide grooves are formed in the length direction of the guide shell;
at least one guide groove which is rotationally symmetrical with the section of the guide shell is arranged.
Further, the displacement assembly comprises:
a sliding disk having a rail connecting portion provided corresponding to the guide groove;
the rail joint part comprises a rail joint end and a limit end, and the width of the limit end is greater than that of the rail joint end;
the limiting end can be screwed on the rail joint end;
the sliding disc is made of stainless steel.
Further, the first side of the sliding disc can be coated with a first buffer layer, and the first buffer layer is made of rubber or polytetrafluoroethylene.
Further, the elongation value detection device is an infrared distance meter;
the infrared distance measuring instrument is arranged on a hanging bracket, so that the output end of the infrared distance measuring instrument faces to the second side of the sliding disc;
the second side of the sliding disk can be provided with a reflector plate;
the first end of the hanger is connected to the periphery of the second end of the guide shell.
Further, the method also comprises the following steps:
the main controller is connected with the data transmission end of the infrared distance meter in a data transmission manner;
the main controller consists of central control equipment and terminal equipment which integrate the PLC;
and the central control equipment of the integrated PLC and the terminal equipment adopt serial port communication to exchange data.
The utility model has the following beneficial effects:
the technical scheme can effectively release more construction spaces for prestress construction treatment during road and bridge construction and maintenance, and realizes a lighter disposal mode for a displacement detection mode, so that the adaptability is stronger; and under the condition of multi-data accumulation, the data gap is smaller, and the method has an important meaning of instructive reference for subsequent construction.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a guide mount of the present invention;
FIG. 3 is a schematic view of a guide housing of the present invention;
the reference numerals in the figures denote:
the system comprises prestressed steel strands 1, a jack 2, an anchorage device 3, a construction body 4 and an installation connecting end 5;
a guide mechanism 10, a displacement assembly 100, an elongation value detection device 20;
a guide mounting part 110, a mounting space 101, a mounting plate 11, a fixed column 12 and a connecting ring 13;
a guide housing 120, a guide groove 121;
the sliding plate 131, the rail connecting part 141, the rail connecting end 142 and the limiting end 143;
a sliding disk 131, a first buffer layer 133, the hanger 150, and a main controller 40.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention; for convenience of description, in the present application, "left side" is "first end", "right side" is "second end", "upper side" is "first end", and "lower side" is "second end" in the current view, so that the description is for the purpose of clearly expressing the technical solution, and should not be construed as an improper limitation to the technical solution of the present application.
The utility model aims to solve the technical problem that errors are large due to accumulation of foundation construction data due to limited space conditions in the existing configuration mode of a displacement sensor in the prior art, and provides an intelligent control system for prestress tensioning.
Referring to the drawings, an intelligent control system for prestress tension comprises a jack 2 for stretching a prestress steel strand 1 and an anchorage device 3 for prefabricating the prestress steel strand 1, and comprises:
one end of the guide mechanism 10 is connected to the installation connecting end of the anchorage device 3 and the construction body 4 and is arranged at the extension end of the jack 2 for outputting the prestressed steel strand 1; the guide mechanism 10 comprises a displacement assembly 100, and the displacement assembly 100 can bear the pushing force generated after the output prestress steel strand 1 contacts and can generate the same displacement value as the prestress steel strand 1 when being extended;
the technical scheme provides a new installation mode, a guide mechanism 10 and a displacement assembly 100 are designed, installation is carried out by utilizing an installation connecting end of an anchorage device 3 and a construction body 4, and the installation connecting end of the anchorage device 3 and the construction body 4 is utilized, after the construction mode in the prior art is finished, after an elongated prestressed steel strand 1 is cut, an installation cover is screwed by utilizing the position to seal a plurality of cut prestressed steel strands 1 in the current position; obviously, this technical solution can utilize this structure, install guiding mechanism 10 additional, and displacement assembly 100, displacement assembly 100 can be promoted by prestressing steel strand 1 in the prestressing force construction process and produce the displacement the same with the elongation, reuse extension value detection device 20, its one end of arranging apart from ground tackle 3 at guiding mechanism 10, it is used for detecting the displacement value, like this, extension value detection device 20 can detect at the second end of jack 2, what detected is its length to displacement assembly 100, like this can obtain the displacement value of prestressing steel strand 1. Based on the above, in the actual installation of the technical solution, it is not necessary to consider that the displacement sensor in the prior art cannot find a suitable installation position, because if the guide mechanism 10 cannot be installed at the installation connection end of the anchor 3 and the construction body 4, the jack 2 cannot be installed necessarily, and the elongation value detection device 20 can be configured on the guide mechanism 10, which provides great convenience for subsequent detection, and the positions of the installation connection end of the anchor 3 and the construction body 4 make the position of the elongation value detection device 20 installed each time, the position where the guide mechanism 10 is fixed is also more fixed, and under the condition of multiple data accumulation, the data gap is smaller, and the important significance of guiding reference is provided for subsequent construction.
In one embodiment, referring to fig. 1 and 2, the guiding mechanism 10 includes: and a guide mounting part 110 forming the mounting space 101, the jack 2 being able to be located in the mounting space 101.
The guide mounting portion 110 includes: a mounting plate 11 which can be mounted on the mounting connection end 5 of the anchor 3 and the working body 4; the three fixed columns 12 are vertical to and fixedly connected with the mounting plate 11, so that other accessories of the jack 2 have configuration spaces, especially the intelligent jack in the prior art is widely used, in order to enable oil pressure to be controllable, an auxiliary pipeline can be configured, the three fixed columns 12 are arranged to be triangular when connected to the mounting plate 11, and the possibility of avoiding obstruction of auxiliary components of the intelligent jack is also considered while the structural stability is ensured; in addition, a connection ring 13, which is perpendicular to and fixedly connected with the second ends of the three fixed columns 12; the space formed between the three fixing posts 12 is a mounting space 101.
Further, referring to fig. 1, the guiding mechanism 10 further includes: a guide housing 120 fixedly connected to the connection ring 13; the guide housing 120 has a hollow cylindrical shape.
In a more preferred embodiment, the length of the fixed column 12 is greater than that of the jack, and the length of the fixed column 12 is 1.2 times of that of the jack, so that the jack has enough installation and configuration space in the length direction, and the use is prevented from being influenced.
In one specific embodiment, please refer to fig. 1 and 3, a plurality of guide slots 121 are formed in the guide housing 120 along the length direction; at least 4 guide grooves 121 are formed in the guide housing 120 so as to be rotationally symmetrical about 90 degrees in cross section. To ensure the balance during use.
Specifically, the displacement assembly 100 includes: a slider 131 having a rail portion 141 provided corresponding to the guide groove 121; the rail connecting part 141 comprises a rail connecting end 142 and a limiting end 143, and the width of the limiting end 143 is greater than that of the rail connecting end 142; the limiting end 143 can be screwed on the rail connecting end 142, so that the disassembly and the assembly are convenient;
the material of sliding disc 131 is stainless steel, guarantees that self has sufficient intensity, and the first side of sliding disc 131 can be wrapped and is provided with first buffer layer 133, and first buffer layer 133 is rubber or polytetrafluoroethylene, so be equivalent to prestressing steel strand 1 and sliding disc 131 and avoid rigid direct contact, and prestressing steel strand 1 and sliding disc 131 contact back, be equivalent to prestressing steel strand 1 and promote sliding disc 131 gradually to elongation value detection device 20 work.
In a more specific embodiment, referring to FIG. 1, the elongation sensing device 20 is an infrared range finder; the infrared distance meter is installed on a hanger 150 such that an output end of the infrared distance meter faces a second side of the sliding tray 131; the second side of the sliding tray 131 can be provided with a reflective sheet; a first end of the hanger 150 is connected to a circumference of a second end of the guide housing 120.
After the infrared distance meter is changed, the data acquisition can be carried out through the main controller 40, which is actually the same as the displacement sensor in the prior art, and specifically, the main controller 40 is connected with the data transmission end of the infrared distance meter in a data transmission way; the main controller 40 is composed of a central control device and a terminal device which integrate the PLC; the PLC integrated central control device and the terminal device adopt serial port communication for data exchange, so that a combined mode of the PLC and the terminal device touch screen can be realized, tensioning of the oil pump and the jack is controlled, a force value is taken as a control object in the intelligent prestress tensioning process, the elongation of the steel strand is taken as a check quantity, and analysis and judgment are carried out according to the tension value of each piece of tensioning equipment and the elongation of the steel strand.
In conclusion, the technical scheme can effectively release more construction spaces for prestress construction treatment during road and bridge construction and maintenance, and realizes a lighter disposal mode for a displacement detection mode, so that the adaptability is stronger; and under the condition of multi-data accumulation, the data gap is smaller, and the method has an important meaning of instructive reference for subsequent construction.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. The utility model provides a prestressing force tensioning intelligence control system, includes jack (2) that are used for tensile prestressing force steel strand wires (1) and ground tackle (3) that are used for prefabricating prestressing force steel strand wires (1), its characterized in that includes:
one end of the guide mechanism (10) is connected to the installation connecting end of the anchorage device (3) and the construction body (4) and is arranged at the extension end of the jack (2) for outputting the prestressed steel strand (1);
the guide mechanism (10) comprises a displacement assembly (100), and the displacement assembly (100) can bear the pushing force generated after the output prestressed steel strand (1) is contacted and can generate the same displacement value as the prestressed steel strand (1) when being stretched;
an elongation value detection device (20) arranged at an end of the guide mechanism (10) remote from the anchor (3) for detecting the displacement value.
2. The intelligent control system for prestress tensioning according to claim 1, characterized in that the guide mechanism (10) comprises:
a guide mounting portion (110) forming a mounting space (101), the jack (2) being locatable within the mounting space (101).
3. The intelligent control system of prestressed tension as claimed in claim 2, wherein said guide mounting portion (110) comprises:
a mounting plate (11) which can be mounted on a mounting connection end (5) of the anchor (3) and a construction body (4);
the first ends of the three fixing columns (12) are perpendicular to the mounting plate (11) and are fixedly connected with the mounting plate;
the three fixing columns (12) are arranged in a triangular shape when connected to the mounting plate (11);
a connecting ring (13) which is perpendicular to and fixedly connected with the second ends of the three fixing columns (12);
the space formed between the three fixing columns (12) is the installation space (101).
4. The intelligent control system for prestress tensioning according to claim 3, characterized in that the guide mechanism (10) further comprises:
a guide housing (120) fixedly connected with the connecting ring (13);
the guide housing (120) is hollow and cylindrical.
5. The intelligent control system for prestress tensioning according to claim 3, wherein the length of the fixed column (12) is greater than that of the jack, and the length of the fixed column (12) is 1.2 times that of the jack.
6. The intelligent control system for prestress tension as claimed in claim 4, wherein a plurality of guide grooves (121) are formed in the guide housing (120) in the length direction;
at least 4 guide grooves (121) which are rotationally symmetrical with the cross section of the guide shell (120) at 90 degrees are formed.
7. The intelligent control system of prestressed tension as claimed in claim 6, characterized in that said displacement assembly (100) comprises:
a slide plate (131) having a rail contact portion (141) provided in correspondence with the guide groove (121);
the rail joint part (141) comprises a rail joint end (142) and a limit end (143), and the width of the limit end (143) is greater than that of the rail joint end (142);
the limiting end (143) can be screwed on the rail connection end (142);
the sliding disc (131) is made of stainless steel.
8. The intelligent control system for prestress tensioning as claimed in claim 7, characterized in that the first side of the sliding disk (131) can be coated with a first buffer layer (133), the first buffer layer (133) being rubber or polytetrafluoroethylene.
9. The intelligent control system for prestress tensioning according to claim 8, characterized in that the elongation value detection device (20) is an infrared distance meter;
the infrared distance meter is mounted on a hanger (150) such that an output end of the infrared distance meter faces a second side of the sliding tray (131);
the second side of the sliding disk (131) can be provided with a reflector plate;
the first end of the hanger (150) is connected to the circumference of the second end of the guide housing (120).
10. The intelligent control system for prestress tension as claimed in claim 9, further comprising:
the main controller (40) is connected with the data transmission end of the infrared distance meter in a data transmission way;
the main controller (40) consists of central control equipment and terminal equipment integrated with a PLC;
and the central control equipment of the integrated PLC and the terminal equipment adopt serial port communication to exchange data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121680849.XU CN215593698U (en) | 2021-07-22 | 2021-07-22 | Prestress tension intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121680849.XU CN215593698U (en) | 2021-07-22 | 2021-07-22 | Prestress tension intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593698U true CN215593698U (en) | 2022-01-21 |
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ID=79879124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121680849.XU Active CN215593698U (en) | 2021-07-22 | 2021-07-22 | Prestress tension intelligent control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593698U (en) |
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2021
- 2021-07-22 CN CN202121680849.XU patent/CN215593698U/en active Active
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| CP03 | Change of name, title or address |
Address after: 100176, 4th Floor, Building 1, Courtyard 1, Kegu Fourth Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: China Communications Construction Group Sixth Engineering Co.,Ltd. Address before: 100123 21st floor, international innovation and Exhibition Center, No.25, ganluyuan Nanli, Chaoyang District, Beijing Patentee before: THIRD ENGINEERING CO., LTD. OF CCCC FOURTH HIGHWAY ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address |