CN211310657U - Prestressed carbon plate intelligent tensioning jack - Google Patents
Prestressed carbon plate intelligent tensioning jack Download PDFInfo
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- CN211310657U CN211310657U CN201922327794.3U CN201922327794U CN211310657U CN 211310657 U CN211310657 U CN 211310657U CN 201922327794 U CN201922327794 U CN 201922327794U CN 211310657 U CN211310657 U CN 211310657U
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Abstract
The utility model provides a prestressing force carbon plate intelligence stretch-draw jack, including jack cylinder body, jack piston, pressure sensor and scale, pressure sensor installs on jack piston top, the scale is fixed at jack cylinder body outer wall, the length direction of scale and the direction parallel arrangement that stretches out of jack piston, the measuring range of scale is greater than the movable length of jack piston. The utility model discloses the jack can guarantee the tensioning operation of normal prestressing force carbon plate, can accurately monitor the tensioning force again and measure prestressing force carbon plate stretch-draw elongation, can guide the site operation effectively, reduces the external factor and the measuring error who causes, has controlled engineering quality effectively, improves the pontic structure security performance.
Description
Technical Field
The utility model relates to a civil engineering technical field specifically is a prestressing force carbon plate intelligence stretch-draw jack.
Background
For the existing external prestressed carbon plate reinforcing project of the old bridge, the project mainly controls the tensile stress and the elongation control is assisted. Although the common jack can perform corresponding calibration work before actual construction, in the actual construction process, the applied tension force is obtained indirectly mainly by an oil pressure meter on the jack, and the error is large when the quality of an operator is different to control the reading of the oil meter; the elongation is measured by an operator with a plate ruler, and the error caused by the irregularity of the target position is large. Therefore, a force application tool capable of conveniently and accurately measuring the tension force and the elongation synchronously is urgently needed in the market at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a prestressing force carbon plate intelligence stretch-draw jack.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a prestressing force carbon plate intelligence stretch-draw jack, includes jack cylinder body, jack piston, pressure sensor and scale, pressure sensor installs on jack piston top, the scale is fixed at jack cylinder body outer wall, the length direction of scale and the direction parallel arrangement that stretches out of jack piston, the measuring range of scale is greater than the movable length of jack piston.
The utility model discloses the jack can guarantee the tensioning operation of normal prestressing force carbon plate, can accurately monitor the tensioning force again and measure prestressing force carbon plate stretch-draw elongation, can guide the site operation effectively, reduces the external factor and the measuring error who causes, has controlled engineering quality effectively, improves the pontic structure security performance.
Further, the pressure sensor further comprises a pressure value reader, and the pressure value reader is connected with the pressure sensor signal output port through a cable.
By adopting the preferable scheme, the applied tension force can be conveniently read in real time.
Further, the force measuring range of the pressure sensor is 0-1.25F, wherein F refers to the design standard value of the tensile force of the prestressed carbon plate.
With the preferred solution described above, it is ensured that the force values can be determined accurately and reliably.
Furthermore, the scale is a digital display displacement scale, a main body of the digital display displacement scale is fixed on the outer wall of the cylinder body of the jack, and a movable reading head of the digital display displacement scale is fixed on the side wall of the pressure sensor.
By adopting the preferable scheme, the elongation can be conveniently read in real time.
Furthermore, a zero-returning button is arranged on the digital display meter of the digital display displacement scale.
By adopting the preferable scheme, the distance measurement starting point is conveniently set as required.
Furthermore, two scales which are arranged oppositely in parallel are arranged on the outer wall of the jack cylinder body.
By adopting the preferable scheme, the average value of the two scales can be taken, and the accuracy of the elongation measurement is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of an embodiment of the present invention.
Names of corresponding parts represented by numerals and letters in the drawings:
1-a pressure sensor; 2-a scale; 3-jack piston; 4-jack cylinder body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figures 1 and 2, a prestressed carbon plate intelligent tensioning jack comprises a jack cylinder body 4, a jack piston 3, a pressure sensor 1 and a scale 2, wherein the pressure sensor 1 is installed at the top end of the jack piston 3, the scale 2 is fixed on the outer wall of the jack cylinder body 4, the length direction of the scale 2 is parallel to the extending direction of the jack piston 3, and the measuring range of the scale 2 is larger than the moving length of the jack piston 3.
The beneficial effect of adopting above-mentioned technical scheme is: the tension monitoring device can ensure normal tension operation of the prestressed carbon plate, accurately monitor the tension force and measure the tension elongation of the prestressed carbon plate, effectively guide field construction, reduce measurement errors caused by external factors, effectively control engineering quality and improve the safety performance of a bridge structure.
The pressure sensor is available from the existing market, such as model YHLF-4B available from the portspace engineering, inc.
In other embodiments of the present invention, the pressure sensor further comprises a pressure value reader, and the pressure value reader is connected to the pressure sensor signal output port through a cable. The beneficial effect of adopting above-mentioned technical scheme is: the applied tension force can be conveniently read in real time.
In other embodiments of the present invention, the force measuring range of the pressure sensor is 0-1.25F, wherein F is the design standard value of the tensile force of the prestressed carbon plate. The beneficial effect of adopting above-mentioned technical scheme is: ensuring that the force values can be determined accurately and reliably.
The utility model discloses an in other embodiments, scale 2 is the digital display displacement scale, the main part of digital display displacement scale is fixed at jack cylinder body outer wall, the removal read head of digital display displacement scale is fixed on pressure sensor's lateral wall. The beneficial effect of adopting above-mentioned technical scheme is: the elongation can be conveniently read in real time.
In other embodiments of the present invention, a zeroing button is disposed on the digital display meter of the digital display displacement scale. The distance measurement starting point is conveniently set according to requirements, for example, when the elongation in the range of 0.2F-1.03F (F refers to the design standard value of the tensile force of the prestressed carbon plate) needs to be measured, the ruler can be reset to zero when the digital display of the pressure sensor is 0.2F, and thus, the reading of the elongation data is greatly facilitated.
In other embodiments of the present invention, two parallel scales 2 are installed on the outer wall of the jack cylinder 4. The beneficial effect of adopting above-mentioned technical scheme is: the average value of the two scales can be taken, and the accuracy of the elongation measurement is improved.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a prestressing force carbon plate intelligence stretch-draw jack, a serial communication port, including jack cylinder body, jack piston, pressure sensor and scale, pressure sensor installs on jack piston top, the scale is fixed at jack cylinder body outer wall, the length direction of scale and the direction parallel arrangement that stretches out of jack piston, the measuring range of scale is greater than the movable length of jack piston.
2. The intelligent prestressed carbon slab tensioning jack of claim 1, further comprising a pressure value reader connected to said pressure sensor signal output port by a cable.
3. The intelligent prestressed carbon plate tensioning jack according to claim 2, wherein the force measurement range of the pressure sensor is 0-1.25F, wherein F is a design standard value of the tensile force of the prestressed carbon plate.
4. The intelligent prestressed carbon plate tensioning jack according to claim 1, wherein the scale is a digital display displacement scale, a main body of the digital display displacement scale is fixed on the outer wall of a cylinder body of the jack, and a moving reading head of the digital display displacement scale is fixed on the side wall of the pressure sensor.
5. The intelligent prestressed carbon plate tensioning jack of claim 4, wherein a zero button is provided on the digital display of the digital display displacement scale.
6. A prestressed carbon slab intelligent tensioning jack according to claim 3, wherein two parallel opposite scales are mounted on the outer wall of the jack cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327794.3U CN211310657U (en) | 2019-12-22 | 2019-12-22 | Prestressed carbon plate intelligent tensioning jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327794.3U CN211310657U (en) | 2019-12-22 | 2019-12-22 | Prestressed carbon plate intelligent tensioning jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211310657U true CN211310657U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922327794.3U Active CN211310657U (en) | 2019-12-22 | 2019-12-22 | Prestressed carbon plate intelligent tensioning jack |
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| CN (1) | CN211310657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654439A (en) * | 2021-08-19 | 2021-11-16 | 中钢集团郑州金属制品研究院股份有限公司 | Displacement measuring device of tensioning assembly |
-
2019
- 2019-12-22 CN CN201922327794.3U patent/CN211310657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654439A (en) * | 2021-08-19 | 2021-11-16 | 中钢集团郑州金属制品研究院股份有限公司 | Displacement measuring device of tensioning assembly |
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