CN212826061U - Improved prefabricated bridge plate tensioning device - Google Patents
Improved prefabricated bridge plate tensioning device Download PDFInfo
- Publication number
- CN212826061U CN212826061U CN202020692448.5U CN202020692448U CN212826061U CN 212826061 U CN212826061 U CN 212826061U CN 202020692448 U CN202020692448 U CN 202020692448U CN 212826061 U CN212826061 U CN 212826061U
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- base
- interval adjusting
- insertion blocks
- supporting seats
- prefabricated bridge
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Abstract
The utility model discloses a prefabricated bridge plate tensioning equipment of improved generation, the on-line screen storage device comprises a base, the both sides of base all are fixed with the tensioning mechanism, two tensioning mechanism's front end all is fixed with the supporting seat, base and supporting seat are the box structure, and all are equipped with the jack that runs through to the rear side in the front side on base and the supporting seat, install removable interval regulation inserted block in the jack, be equipped with a plurality of muscle holes of wearing on the interval regulation inserted block, and the one-to-one around the muscle hole of wearing of interval regulation inserted block on the base and the supporting seat, wear the muscle hole and be used for installing the traction lever. The device can stretch a plurality of steel strands at one time, and can adjust the distance between the steel strands, thereby being used for producing prefabricated bridge plates with steel strands with different distances.
Description
Technical Field
The utility model relates to a bridge building engineering technical field, concretely relates to prefabricated bridge slab tensioning equipment of improved generation.
Background
Before the engineering structural member bears external load, pretension stress is applied to the steel strands in the tension module, the bending resistance and rigidity of the member are improved, the occurrence time of cracks is delayed, and the durability of the member is improved. The existing steel strand tensioning device can tension a small amount of steel strands once, and the steel bar penetrating holes in the steel box girders are mostly fixed, so that the distance between the steel strands cannot be adjusted, and therefore, the bridge plate tensioning device can only produce the prefabricated bridge plates with the steel strands at fixed intervals.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a prefabricated bridge plate tensioning equipment of improved generation can stretch-draw many steel strands simultaneously, and can adjust the interval of steel strand.
The utility model discloses a realize through following technical scheme:
an improved prefabricated bridge plate tensioning device comprises a base, tensioning mechanisms are fixed on two sides of the base, supporting seats are fixed at the front ends of the two tensioning mechanisms, the base and the supporting seats are of a box structure, jacks penetrating from the front side to the rear side are arranged on the base and the supporting seats, replaceable interval adjusting insertion blocks are installed in the jacks, a plurality of rib penetrating holes are formed in the interval adjusting insertion blocks, the interval adjusting insertion blocks on the base correspond to the rib penetrating holes in the interval adjusting insertion blocks on the supporting seats in a front-to-back one-to-one manner, the rib penetrating holes are used for installing traction rods, the traction rods enter the rib penetrating holes of the interval adjusting insertion blocks of the base and penetrate out of the rib penetrating holes of the interval adjusting insertion blocks of the supporting seats and are fixedly connected with fastening bolts I at the front ends of the rib penetrating holes of the interval adjusting insertion blocks of the supporting seats, and the fastening bolts I are abutted to the supporting seats in a working state, and a connecting bolt is fixed at the rear end of the traction rod and is used for connecting the traction rod and the steel strand.
Preferably, the draw bar is a screw rod, and the screw rod can be well matched with the fastening bolt I.
Preferably, the front end of the reinforcement penetrating hole of the base interval adjusting insert block is provided with a fastening bolt II, and the fastening bolt II is abutted against the base in a working state, so that the traction rod is prevented from retracting, and the tensioning strength is increased.
Preferably, the front sides of the base and the supporting seat are both fixed with steel plates, and the fastening bolts II and the fastening bolts I are abutted to the steel plates in the working state, so that the stability of the base and the supporting seat is improved.
Preferably, the tensioning mechanism is a hydraulic jack, and the tensioning performance of the hydraulic jack is better.
The beneficial effects of the utility model are embodied in: the device can stretch a plurality of steel strands at one time, and can adjust the distance between the steel strands, thereby being used for producing prefabricated bridge plates with steel strands with different distances.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an improved prefabricated bridge plate tensioning device according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of a spacing adjustment insert block and a base of the improved prefabricated bridge plate tensioning device shown in fig. 1.
In the attached drawing, a base 1, a tensioning mechanism 2, a supporting seat 3, a jack 4, an interval adjusting insert block 5, a reinforcement penetrating hole 6, a traction rod 7, a fastening bolt I8, a connecting bolt 9, a steel strand 10, a fastening bolt II11 and a steel plate 12 are arranged.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The improved prefabricated bridge plate tensioning device comprises a base 1, tensioning mechanisms 2 are fixed on two sides of the base 1, supporting seats 3 are fixed at the front ends of the two tensioning mechanisms 2, the base 1 and the supporting seats 3 are of a box structure, jacks 4 penetrating from the front side to the rear side are arranged on the base 1 and the supporting seats 3, replaceable interval adjusting insertion blocks 5 are installed in the jacks 4, a plurality of rib penetrating holes 6 are formed in the interval adjusting insertion blocks 5, the interval adjusting insertion blocks 5 on the base 1 correspond to the rib penetrating holes 6 of the interval adjusting insertion blocks on the supporting seats 3 in a front-back one-to-one manner, the rib penetrating holes 6 are used for installing traction rods 7, the traction rods 7 enter the rib penetrating holes of the interval adjusting insertion blocks of the base 1 and penetrate out of the rib penetrating holes of the interval adjusting insertion blocks of the supporting seats 2 and are fixedly connected with fastening bolts I8 at the front ends of the rib penetrating holes of the interval adjusting insertion blocks of the supporting seats 3, the fastening bolt I8 is abutted against the supporting seat 3 in a working state, a connecting bolt 9 is fixed at the rear end of the traction rod 7, and the connecting bolt 9 is used for connecting the traction rod 7 and the steel strand 10.
In this embodiment, the drawbar 7 is a screw. The front end of the bar penetrating hole of the base 1 interval adjusting insert block is provided with a fastening bolt II11, and the fastening bolt II is abutted to the base in a working state. The front sides of the base 1 and the supporting seat 3 are both fixed with a steel plate 12, and the fastening bolt II11 and the fastening bolt I8 are abutted against the steel plate 12 in the working state. The tensioning mechanism 2 is a hydraulic jack.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides an improved generation prefabricated bridge slab tensioning equipment which characterized in that: the tension device comprises a base, tensioning mechanisms are fixed on two sides of the base, supporting seats are fixed at the front ends of the two tensioning mechanisms, the base and the supporting seats are of a box structure, jacks penetrating from the front side to the rear side are formed in the base and the supporting seats, replaceable interval adjusting insertion blocks are installed in the jacks, a plurality of reinforcement penetrating holes are formed in the interval adjusting insertion blocks, the interval adjusting insertion blocks on the base correspond to the reinforcement penetrating holes of the interval adjusting insertion blocks on the supporting seats in a front-back one-to-one mode, the reinforcement penetrating holes are used for installing traction rods, the traction rods enter the reinforcement penetrating holes of the interval adjusting insertion blocks of the base and penetrate out of the reinforcement penetrating holes of the interval adjusting insertion blocks of the supporting seats and are fixedly connected with fastening bolts I at the front ends of the reinforcement penetrating holes of the interval adjusting insertion blocks of the supporting seats, the fastening bolts I are abutted to the supporting seats in a working state, and connecting bolts are fixed, the connecting bolt is used for connecting the traction rod and the steel strand.
2. The improved prefabricated bridge panel tensioning device according to claim 1, wherein: the draw bar is a screw rod.
3. The improved prefabricated bridge panel tensioning device according to claim 1, wherein: the front end of the rib penetrating hole of the base interval adjusting insert block is provided with a fastening bolt II, and the fastening bolt II is abutted to the base in a working state.
4. An improved prefabricated bridge panel tensioning device according to claim 3, wherein: the front sides of the base and the supporting seat are respectively fixed with a steel plate, and the fastening bolts II and the fastening bolts I are abutted to the steel plates in the working state.
5. The improved prefabricated bridge panel tensioning device according to claim 1, wherein: the tensioning mechanism is a hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020692448.5U CN212826061U (en) | 2020-04-29 | 2020-04-29 | Improved prefabricated bridge plate tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020692448.5U CN212826061U (en) | 2020-04-29 | 2020-04-29 | Improved prefabricated bridge plate tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212826061U true CN212826061U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020692448.5U Active CN212826061U (en) | 2020-04-29 | 2020-04-29 | Improved prefabricated bridge plate tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212826061U (en) |
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2020
- 2020-04-29 CN CN202020692448.5U patent/CN212826061U/en active Active
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