CN204691274U - A kind of tensioning system of reinforcing pull rod - Google Patents
A kind of tensioning system of reinforcing pull rod Download PDFInfo
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- CN204691274U CN204691274U CN201520214187.5U CN201520214187U CN204691274U CN 204691274 U CN204691274 U CN 204691274U CN 201520214187 U CN201520214187 U CN 201520214187U CN 204691274 U CN204691274 U CN 204691274U
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- pull rod
- reinforcing pull
- rod
- adjusting
- jig
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Abstract
The utility model discloses a kind of tensioning system of reinforcing pull rod, comprise reinforcing pull rod and tensioning tooling, reinforcing pull rod comprises left side reinforcing pull rod, right side reinforcing pull rod and regulating sleeve, left side reinforcing pull rod has the left side stretching end be threaded with the left end of regulating sleeve, right side reinforcing pull rod has the right side stretching end be threaded with the right-hand member of regulating sleeve, tensioning tooling comprises left side jig, right side jig and at least two adjusting rods, left side jig be set in left side reinforcing pull rod the body of rod on and be limited in left side stretching end, right side jig be set in right side reinforcing pull rod the body of rod on and be limited in right side stretching end, the left end of adjusting rod slides and is fed through left side jig and is provided with punching jack, the right-hand member slip of adjusting rod is fed through right side jig and is provided with the keeper on the spacing right side at right side jig, the tensioning system of this reinforcing pull rod is not only convenient installs reinforcing pull rod, and the operating space of stretch-draw is large, stretch-draw is even, greatly improve stretch-draw efficiency and the yields of reinforcing pull rod.
Description
Technical field
The utility model relates to the tensioning system of building field, is specifically related to a kind of tensioning system of reinforcing pull rod.
Background technology
Existing reinforcing pull rod is generally nonadjustable, by the tensioning tooling being arranged on its one end, stretch-draw is carried out to change the stress of reinforcing pull rod to reinforcing pull rod, improve stretch-draw effect, tension rod compares when initial installation wastes time and energy, when later stage stretch-draw, general stretch-draw space is less, and uneven to the stretch-draw of reinforcing pull rod.
Summary of the invention
For solving the problems of the technologies described above, goal of the invention of the present utility model is the tensioning system providing a kind of reinforcing pull rod, and the tensioning system of this reinforcing pull rod is not only convenient installs reinforcing pull rod, and the operating space of stretch-draw is large, stretch-draw is even, greatly improves stretch-draw efficiency and the yields of reinforcing pull rod.
For achieving the above object, the utility model provides following technical scheme: a kind of tensioning system of reinforcing pull rod, comprise reinforcing pull rod and tensioning tooling, described reinforcing pull rod comprises left side reinforcing pull rod, right side reinforcing pull rod and the regulating sleeve be arranged between described left side reinforcing pull rod and described right side reinforcing pull rod, described left side reinforcing pull rod, described right side reinforcing pull rod and described regulating sleeve are coaxially arranged, described left side reinforcing pull rod has the left side stretching end that size is greater than its body of rod, described left side stretching end is relative with the left end of described regulating sleeve and be threaded, described right side reinforcing pull rod has the right side stretching end that size is greater than its body of rod, described right side stretching end is relative with the right-hand member of described regulating sleeve and be threaded, described tensioning tooling comprises left side jig, right side jig and connect at least two adjusting rods of described left side jig and described right side jig, described left side jig the is set in described left side reinforcing pull rod body of rod by its hole clipping is limited in the left side of described left side stretching end, described right side jig the is set in described right side reinforcing pull rod body of rod by its hole clipping is limited in the right side of described right side stretching end, described at least two adjusting rods and described regulating sleeve be arranged in parallel, the left end slip of described adjusting rod is fed through the adjustment hole of described left side jig and is provided with punching jack, the right-hand member of described adjusting rod slides the adjustment hole and the keeper being provided with the spacing right side at described right side jig that are fed through described right side jig.
Further technical scheme, described reinforcing pull rod is provided with strain gauge.
Further technical scheme, the relatively described regulating sleeve Central Symmetry of described at least two adjusting rods is arranged.
Further technical scheme, described left side reinforcing pull rod is identical with the length of described right side reinforcing pull rod.
In technique scheme, left side stretching end is set to left side nut head, described right side stretching end is set to right side nut head, the left end of described regulating sleeve is set to left side adjusting nut head, the right-hand member of described regulating sleeve is set to right side adjusting nut head, left side adjusting screw(rod) is connected with between described left side nut head and described left side adjusting nut head, be connected with right side adjusting screw(rod) between described right side nut head and described right side adjusting nut head, described left side adjusting screw(rod) is contrary with the thread rotary orientation of described right side adjusting screw(rod).
In technique scheme, the left end of described adjusting rod is left side screw head, the right-hand member of described adjusting rod is right side screw head, the left side of described punching jack is also provided with the left side nut in the spacing left side at described punching jack, and described keeper is the right side nut be threaded with described right side screw head.
In technique scheme, described left side reinforcing pull rod also has left side installation end, and described right side reinforcing pull rod also has right side installation end, and described left side installation end and described right side installation end are fork ear formula tapered end.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, first will regulate regulating sleeve in a pre-installation, the distance of itself and left side reinforcing pull rod and right side reinforcing pull rod is strengthened, thus be convenient to reinforcing pull rod is installed;
2, stretch-draw place of reinforcing pull rod is arranged on the body of rod of reinforcing pull rod, instead of at two ends, adds stretch-draw space;
3, stretch-draw place of reinforcing pull rod is arranged on the centre of reinforcing pull rod, can realizes uniform stretch-draw to left side reinforcing pull rod and right side reinforcing pull rod.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 reinforcing pull rod disclosed in the utility model;
The structural representation of Fig. 2 tensioning system of reinforcing pull rod disclosed in the utility model.
Wherein, 11, left side reinforcing pull rod; 111, left side stretching end; 12, right side reinforcing pull rod; 121, right side stretching end; 13, regulating sleeve; 14, left side adjusting screw(rod); 15, right side adjusting screw(rod); 21, left side jig; 22, right side jig; 23, adjusting rod; 24, keeper; 25, punching jack.
Detailed description of the invention
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, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one:
See Fig. 1 and Fig. 2, as shown in legend wherein, a kind of tensioning system of reinforcing pull rod, comprise reinforcing pull rod and tensioning tooling, above-mentioned reinforcing pull rod comprises left side reinforcing pull rod 11, right side reinforcing pull rod 12 and the regulating sleeve 13 be arranged between left side reinforcing pull rod 11 and right side reinforcing pull rod 12, left side reinforcing pull rod 11, right side reinforcing pull rod 12 and regulating sleeve 13 are coaxially arranged, left side reinforcing pull rod 11 has the left side stretching end 111 that size is greater than its body of rod, left side stretching end 111 is relative with the left end of regulating sleeve 13 and be threaded, right side reinforcing pull rod 12 has the right side stretching end 121 that size is greater than its body of rod, right side stretching end 121 is relative with the right-hand member of regulating sleeve 13 and be threaded, above-mentioned tensioning tooling comprises left side jig 21, at least two adjusting rods 23 of right side jig 22 and connection left side jig 21 and right side jig 22, left side jig 21 by its hole clipping be set in left side reinforcing pull rod 11 the body of rod on and be limited in left side stretching end 111 left side, right side jig 22 by its hole clipping be set in right side reinforcing pull rod 12 the body of rod on and be limited in right side stretching end 121 right side, at least two adjusting rods 23 be arranged in parallel with regulating sleeve 13, the left end slip of adjusting rod 23 is fed through the adjustment hole of left side jig 21 and is provided with punching jack 24, the left side of punching jack 24 is also provided with spacing left positioner part 25 on the left of punching jack 24, the right-hand member of adjusting rod 23 slides the adjustment hole and the right positioner part 26 being provided with the spacing right side at right side jig 22 that are fed through right side jig 22.
In order to stretch-draw is more accurate, above-mentioned reinforcing pull rod is provided with strain gauge (depending on not going out in figure), reinforcing pull rod adopts the reinforcing pull rod of varying strength according to Shi Hanzhang value.
In order to stretch-draw is more even, above-mentioned two adjusting rod 23 relative adjustment sleeves 13 are symmetrical, and left side reinforcing pull rod 11 is identical with right side reinforcing pull rod 12 length.
Left side stretching end 111 is set to left side nut head, right side stretching end 121 is set to right side nut head, the left end of regulating sleeve 13 is set to left side adjusting nut head, the right-hand member of regulating sleeve 13 is set to right side adjusting nut head, left side adjusting screw(rod) 14 is connected with between above-mentioned left side nut head and above-mentioned left side adjusting nut head, be connected with right side adjusting screw(rod) 15 between above-mentioned right side nut head and above-mentioned right side adjusting nut head, left side adjusting screw(rod) 14 is contrary with the thread rotary orientation of right side adjusting screw(rod) 15.
The left side free end of adjusting rod 23 is left side screw head, the right side free end of adjusting rod 23 is right side screw head, left positioner part 25 is the left side nut be threaded with above-mentioned left side screw head, and right positioner part 26 is the right side nut be threaded with above-mentioned right side screw head.
Left side reinforcing pull rod 11 also has left side installation end, and right side reinforcing pull rod 12 also has right side installation end, and above-mentioned left side installation end and above-mentioned right side installation end are fork ear formula tapered end.
In this programme, whether the thickness that first should detect otic placode before installation is supporting with fork Er Shisuo, if there is difference to adjust as early as possible, during installation, regulating sleeve 13 is unclamped certain length so that install, the stretching end of reinforcing pull rod is positioned at centre, namely regulating sleeve 12 place between left side reinforcing pull rod and right side reinforcing pull rod, tensioning tooling and tension operation carry out all herein.
Tensioning equipment is demarcated before the stretch-draw of prestress steel reinforcing pull rod
(1) according to the prestress value designing the reinforcing pull rod provided, simulative calculation of construction is carried out;
(2), time to reinforcing pull rod Shi Hanzhang, every root reinforcing pull rod adopts 1 cover tensioning tooling to carry out prestressed stretch-draw, each section simultaneous tension two reinforcing pull rods, needs 2 cover tensioning toolings;
(3) the actual stretching force required according to design and prestressing techniques is demarcated jack, oil pressure sensor, during actual use, thus calibration curve finds and control the corresponding value of stretch-draw force value, and calculated and be printed as on form, with handled easily and examination.
2, control stress for prestressing
According to the prestress steel reinforcing pull rod control stress for prestressing value of designing requirement.
3, the stretch-draw of prestress steel reinforcing pull rod is to control reinforcing pull rod stretching force, and monitoring steel work deformation values is auxiliary, after the stretch-draw of prestress steel reinforcing pull rod completes, check and correction should being measured immediately, as noted abnormalities, should stretch-draw be suspended, wait to ascertain the reason, and Ex post, then continue stretch-draw.
Because in this programme, tensioning equipment assembly is more, therefore must handle with care when installing, the tensioning equipment centre of form is overlapped with steel reinforcing pull rod, to ensure that prestress steel reinforcing pull rod does not produce bias when carrying out stretch-draw; After pump start fuel feeding is normal, start pressurization, when pressure reaches steel reinforcing pull rod design pulling force, ultra stretching about 5%, then stops pressurization.During stretch-draw, control to speed oil, the oil supply time should lower than 0.5min.
Reinforcing pull rod adopts the reinforcing pull rod of varying strength according to Shi Hanzhang value, adopt steel reinforcing pull rod that prestress application process can be made simply easily to operate, and can by monitoring steel reinforcing pull rod stress, monitor prestressed applying at any time, by regulating intermediate regulations sleeve to make change reinforcing pull rod change in length, thus prestressing force is effectively applied.
Be more than the description to the utility model embodiment, by the above-mentioned explanation to the disclosed embodiments, professional and technical personnel in the field realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the tensioning system of a reinforcing pull rod, comprise reinforcing pull rod and tensioning tooling, it is characterized in that, described reinforcing pull rod comprises left side reinforcing pull rod, right side reinforcing pull rod and the regulating sleeve be arranged between described left side reinforcing pull rod and described right side reinforcing pull rod, described left side reinforcing pull rod, described right side reinforcing pull rod and described regulating sleeve are coaxially arranged, described left side reinforcing pull rod has the left side stretching end that size is greater than its body of rod, described left side stretching end is relative with the left end of described regulating sleeve and be threaded, described right side reinforcing pull rod has the right side stretching end that size is greater than its body of rod, described right side stretching end is relative with the right-hand member of described regulating sleeve and be threaded, described tensioning tooling comprises left side jig, right side jig and connect at least two adjusting rods of described left side jig and described right side jig, described left side jig the is set in described left side reinforcing pull rod body of rod by its hole clipping is limited in the left side of described left side stretching end, described right side jig the is set in described right side reinforcing pull rod body of rod by its hole clipping is limited in the right side of described right side stretching end, described at least two adjusting rods and described regulating sleeve be arranged in parallel, the left end slip of described adjusting rod is fed through the adjustment hole of described left side jig and is provided with punching jack, the right-hand member of described adjusting rod slides the adjustment hole and the keeper being provided with the spacing right side at described right side jig that are fed through described right side jig.
2. tensioning system according to claim 1, is characterized in that, described reinforcing pull rod is provided with strain gauge.
3. tensioning system according to claim 1, is characterized in that, the relatively described regulating sleeve Central Symmetry of described at least two adjusting rods is arranged.
4. tensioning system according to claim 1, is characterized in that, described left side reinforcing pull rod is identical with the length of described right side reinforcing pull rod.
5. tensioning system according to claim 1, it is characterized in that, left side stretching end is set to left side nut head, described right side stretching end is set to right side nut head, the left end of described regulating sleeve is set to left side adjusting nut head, the right-hand member of described regulating sleeve is set to right side adjusting nut head, left side adjusting screw(rod) is connected with between described left side nut head and described left side adjusting nut head, be connected with right side adjusting screw(rod) between described right side nut head and described right side adjusting nut head, described left side adjusting screw(rod) is contrary with the thread rotary orientation of described right side adjusting screw(rod).
6. tensioning system according to claim 1, it is characterized in that, the left end of described adjusting rod is left side screw head, the right-hand member of described adjusting rod is right side screw head, the left side of described punching jack is also provided with the left side nut in the spacing left side at described punching jack, and described keeper is the right side nut be threaded with described right side screw head.
7. tensioning system according to claim 1, is characterized in that, described left side reinforcing pull rod also has left side installation end, and described right side reinforcing pull rod also has right side installation end, and described left side installation end and described right side installation end are fork ear formula tapered end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520214187.5U CN204691274U (en) | 2015-04-10 | 2015-04-10 | A kind of tensioning system of reinforcing pull rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520214187.5U CN204691274U (en) | 2015-04-10 | 2015-04-10 | A kind of tensioning system of reinforcing pull rod |
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| CN204691274U true CN204691274U (en) | 2015-10-07 |
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| CN201520214187.5U Active CN204691274U (en) | 2015-04-10 | 2015-04-10 | A kind of tensioning system of reinforcing pull rod |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437168A (en) * | 2016-10-10 | 2017-02-22 | 天津盛泰佳业科技有限公司 | General building material tensioning device |
| CN107237404A (en) * | 2017-08-03 | 2017-10-10 | 中国十九冶集团有限公司 | Overhanging steel structure of strip steel pull rod and mounting method thereof |
| CN107542272A (en) * | 2017-09-25 | 2018-01-05 | 沈阳工业大学 | Novel portable prestressed draw-bar tensioning equipment |
| CN112962977A (en) * | 2021-03-17 | 2021-06-15 | 安徽工业大学 | Intelligent adjusting device and method for tension consistency of steel wire rope |
| CN114704100A (en) * | 2022-03-24 | 2022-07-05 | 中建八局第一建设有限公司 | High-strength pull rod tensioning tool and using method |
-
2015
- 2015-04-10 CN CN201520214187.5U patent/CN204691274U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437168A (en) * | 2016-10-10 | 2017-02-22 | 天津盛泰佳业科技有限公司 | General building material tensioning device |
| CN106437168B (en) * | 2016-10-10 | 2019-03-05 | 湖北国丰建设有限公司 | General building materials tensioning equipment |
| CN107237404A (en) * | 2017-08-03 | 2017-10-10 | 中国十九冶集团有限公司 | Overhanging steel structure of strip steel pull rod and mounting method thereof |
| CN107542272A (en) * | 2017-09-25 | 2018-01-05 | 沈阳工业大学 | Novel portable prestressed draw-bar tensioning equipment |
| CN107542272B (en) * | 2017-09-25 | 2023-09-22 | 沈阳工业大学 | Novel portable prestressed pull rod tensioning device |
| CN112962977A (en) * | 2021-03-17 | 2021-06-15 | 安徽工业大学 | Intelligent adjusting device and method for tension consistency of steel wire rope |
| CN114704100A (en) * | 2022-03-24 | 2022-07-05 | 中建八局第一建设有限公司 | High-strength pull rod tensioning tool and using method |
| CN114704100B (en) * | 2022-03-24 | 2023-06-20 | 中建八局第一建设有限公司 | High Jiang Lagan tensioning tool and use method thereof |
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