CN213061721U - Whole bundle of penetrating device of steel strand - Google Patents

Whole bundle of penetrating device of steel strand Download PDF

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Publication number
CN213061721U
CN213061721U CN202021264245.2U CN202021264245U CN213061721U CN 213061721 U CN213061721 U CN 213061721U CN 202021264245 U CN202021264245 U CN 202021264245U CN 213061721 U CN213061721 U CN 213061721U
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China
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bundle
cylinder
extrusion mechanism
penetrating
traction
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CN202021264245.2U
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Chinese (zh)
Inventor
郭航
王同民
徐亮
张刘阳
柯卫兵
陈开桥
王春光
倪乾
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7th Engineering Co Ltd of MBEC
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7th Engineering Co Ltd of MBEC
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Abstract

The application relates to a whole steel strand bundle penetrating device which comprises a bundle penetrating barrel and a first extrusion mechanism, wherein an accommodating space is formed in the bundle penetrating barrel, the bundle penetrating barrel comprises a traction end and a bundle penetrating end, the traction end and the bundle penetrating end are respectively arranged at two ends of the bundle penetrating barrel, and the traction end is used for fixing and drawing a steel strand; the bundle penetrating end is provided with a plurality of bundle penetrating holes for penetrating the whole bundle of steel strands, and the bundle penetrating holes are communicated with the accommodating space. The first extrusion mechanism is used for being connected with one end of the whole bundle of steel strands, when the first extrusion mechanism is connected with the whole bundle of steel strands, the first extrusion mechanism has a first state and a second state, and when the first extrusion mechanism is in the first state, the first extrusion mechanism is compressed, and the diameter of the first extrusion mechanism is not larger than that of the bundle penetrating hole; when the first extruding mechanism is in the first state, the first extruding mechanism is located in the accommodating space, and the diameter of the first extruding mechanism is larger than that of the through-beam hole, so that the first extruding mechanism is clamped at the hole opening of the through-beam hole and cannot fall out of the accommodating space.

Description

Whole bundle of penetrating device of steel strand
Technical Field
The application relates to the field of prestress construction of bridges and constructional engineering, in particular to a whole steel strand penetrating device.
Background
In the field of building and bridge construction, prestressed construction has become a ubiquitous technology content, which makes large-span concrete structures possible.
With respect to the current prestress construction process, the post-tensioning process accounts for the most part. The post-tensioning method prestress construction requires that the corrugated pipe is pre-embedded in advance, so that the subsequent prestress steel strand penetrating work is facilitated. However, with the increase of the span of the prestressed structure, particularly the construction of a large-span concrete bridge, the prestressed duct becomes longer and longer, the frictional resistance is also increased, and the separate bundling of a single concrete bridge is difficult to realize; particularly, the increase of the corrugated pipe joints causes that the penetration is more difficult, and even the slurry leakage or the inward turning of the end parts of the corrugated pipe joints sometimes occur, so that the accidents of the penetration failure occur.
Disclosure of Invention
The embodiment of the application provides a whole bundle of steel strand wears to restraint device to single minute is worn to restraint and is difficult to realize among the solution correlation technique, and because bellows joint leaks thick liquid or tip enstrophe, appears the unable problem of wearing to restraint.
In a first aspect, a whole bundle penetrating device for steel strands is provided, which includes:
wear to restraint the barrel, seted up accommodating space in it, wear to restraint the barrel and include:
a traction end arranged at one end of the strand pulling cylinder, wherein the traction end is used for fixing a traction steel strand;
the bundle penetrating end is arranged at the other end of the bundle penetrating cylinder body, a plurality of bundle penetrating holes for penetrating the whole bundle of steel stranded wires are formed in the bundle penetrating end, and the bundle penetrating holes are communicated with the accommodating space;
the first extrusion mechanism is used for being connected to one end of the whole bundle of steel strands, when the first extrusion mechanism is connected with the whole bundle of steel strands, the first extrusion mechanism has a first state and a second state, and when the first extrusion mechanism is in the first state, the first extrusion mechanism is compressed, and the diameter of the first extrusion mechanism is not larger than that of the bundle penetrating hole; when the first pressing mechanism is in the second state, the first pressing mechanism is located in the containing space, and the diameter of the first pressing mechanism is larger than that of the beam penetrating hole.
In some embodiments, the traction end is provided with a traction opening for a traction steel strand to penetrate through, and the traction opening is communicated with the accommodating space;
the strand pulling device further comprises a second extrusion mechanism, the second extrusion mechanism is used for being connected to one end of the traction steel strand, when the second extrusion mechanism is connected with the traction steel strand, the second extrusion mechanism has a third state and a fourth state, and when the second extrusion mechanism is in the third state, the second extrusion mechanism is compressed, and the diameter of the second extrusion mechanism is not larger than that of the traction opening; when the second extrusion mechanism is in the fourth state, the second extrusion mechanism is positioned in the accommodating space, and the diameter of the second extrusion mechanism is larger than that of the traction opening.
In some embodiments, the second pressing mechanism is an elastic sleeve, and the elastic sleeve is used for being sleeved on the traction steel strand.
In some embodiments, the first pressing mechanism is an elastic sleeve, and the elastic sleeve is used for being sleeved on the whole bundle of steel strands.
In some embodiments, the bundle penetrating cylinder further comprises a first cylinder and a second cylinder which are detachably connected, the traction end is arranged on the first cylinder, and the bundle penetrating end is arranged on the second cylinder.
In some embodiments, the first cylinder is a conical cylinder, and the diameter of the conical cylinder gradually decreases from one end close to the second cylinder to one end far away from the second cylinder.
In some embodiments, the second cylinder is a cylindrical cylinder.
In some embodiments, the first cylinder is connected to the second cylinder by a screw thread.
In some embodiments, the inner wall of the first cylinder is provided with a first thread along the circumferential direction, and the outer wall of the second cylinder is provided with a second thread along the circumferential direction.
In some embodiments, the outer wall of the first cylinder is provided with a first thread along the circumferential direction, and the inner wall of the second cylinder is provided with a second thread along the circumferential direction.
The beneficial effect that technical scheme that this application provided brought includes: the whole bundle of steel strands penetrating device can penetrate into the corrugated pipe once without penetrating a single steel strand in a multiple mode, and the problem that the steel strands cannot penetrate due to slurry leakage or inward turning of the end of the corrugated pipe joint is solved.
The embodiment of the application provides a whole bundle penetrating device for steel strands, because when the whole bundle of steel strands needs to be penetrated, one end of each whole bundle of steel strands is connected with a first extruding mechanism, the first extruding mechanism is compressed at first, the diameter of the first extruding mechanism is not larger than that of a bundle penetrating hole, so that the first extruding mechanism can penetrate into a containing space through the bundle penetrating hole, after the first extruding mechanism penetrates into the containing space, the first extruding mechanism rebounds, the diameter of the first extruding mechanism is larger than that of the bundle penetrating hole, the first extruding mechanism is clamped at an orifice of the bundle penetrating hole and cannot fall off from the containing space, all the whole bundle of steel strands are fixed at the bundle penetrating end, and finally, the traction steel strands are fixed at the traction end, so that the whole bundle penetrating cylinder and the whole bundle of steel strands penetrate into a corrugated pipe by traction of the traction steel strands, all the whole bundle of steel strands penetrate into the corrugated pipe at one time, the single corrugated pipe joint does not need to be threaded in a multiple mode, and the problem that the corrugated pipe joint cannot be threaded due to slurry leakage or inward turning of the end part is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a use state of a whole steel strand bundle threading device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a whole bundle penetrating device for steel strands according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a beam-through end provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a pulling end provided in accordance with an embodiment of the present application;
fig. 5 is a schematic structural diagram of a first cylinder provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a second cylinder provided in an embodiment of the present application.
In the figure: 1. a cylinder body is threaded; 10. an accommodating space; 11. a traction end; 12. a beam penetrating end; 13. penetrating a beam hole; 14. a traction opening; 15. a first cylinder; 16. a second cylinder; 2. drawing the steel strand; 3. the steel strand is bundled; 4. a first pressing mechanism; 5. and a second pressing mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1-3, an embodiment of the present application provides a steel strand whole bundle penetrating device, which includes a bundle penetrating cylinder 1 and a first extrusion mechanism 4, wherein an accommodating space 10 is formed in the bundle penetrating cylinder 1, the bundle penetrating cylinder 1 includes a traction end 11 and a bundle penetrating end 12, the traction end 11 and the bundle penetrating end 12 are respectively disposed at two ends of the bundle penetrating cylinder 1, the traction end 11 is used for fixing a traction steel strand 2, and the traction steel strand 2 is fixed at the traction end 11; the bundle penetrating end 12 is provided with a plurality of bundle penetrating holes 13 for penetrating the whole bundle of steel strands 3, the diameter of each bundle penetrating hole 13 is slightly larger than that of the whole bundle of steel strands 3, the number of the bundle penetrating holes 13 is not smaller than the required number of the whole bundle of steel strands 3, and the bundle penetrating holes 13 are communicated with the accommodating space 10, so that the whole bundle of steel strands 3 can penetrate into the accommodating space 10 from the bundle penetrating holes 13. The first extrusion mechanism 4 is used for being connected to one end of the whole bundle of steel strands 3, when the whole bundle of steel strands 3 needs to be threaded, the first extrusion mechanism 4 is connected with the whole bundle of steel strands 3, the first extrusion mechanism 4 has a first state and a second state, when the first extrusion mechanism 4 is in the first state, the first extrusion mechanism 4 is compressed, and the diameter of the first extrusion mechanism is not larger than that of the threading hole 13, so that the first extrusion mechanism 4 can penetrate into the accommodating space 10 through the threading hole 13; when the steel strand penetrating device is in a second state, the first extruding mechanism 4 is located in the containing space 10, the first extruding mechanism 4 rebounds, the diameter of the first extruding mechanism 4 is larger than that of the penetrating hole 13, therefore, the first extruding mechanism 4 is clamped at the hole opening of the penetrating hole 13 and cannot be separated from the containing space 10, penetrating work of all the whole steel strands 3 is achieved, the whole steel strands 3 can be penetrated into the corrugated pipe at one time through the whole steel strand penetrating device, single strand penetrating is not needed, and the problem that the whole steel strands cannot be penetrated due to slurry leakage or end inward turning of a corrugated pipe joint is solved.
The use principle of the whole steel strand bundle penetrating device of the embodiment of the application is as follows:
when the whole bundle of steel strands 3 needs to be threaded, one end of each whole bundle of steel strands 3 is connected with a first extrusion mechanism 4, the first extrusion mechanism 4 is compressed at first, the diameter of the first extrusion mechanism 4 is not larger than that of the bundle penetrating hole 13, so that the first extrusion mechanism 4 can penetrate into the accommodating space 10 through the bundle penetrating hole 13, after the first extrusion mechanism 4 penetrates into the accommodating space 10, the first extrusion mechanism 4 rebounds, the diameter of the first extrusion mechanism 4 is larger than that of the bundle penetrating hole 13, therefore, the first extrusion mechanism 4 is clamped at the opening of the bundle penetrating hole 13 and cannot fall out of the accommodating space 10, all the whole bundle of steel strands 3 are fixed at the bundle penetrating end 12, finally, the traction steel strands 2 are fixed at the traction end 11, the bundle penetrating barrel 1 and the whole bundle of steel strands 3 are pulled by the traction steel strands 2 to penetrate into the corrugated pipe, and all the whole bundle of steel strands 3 are threaded into the corrugated pipe at one time, the single corrugated pipe joint does not need to be threaded in a multiple mode, and the problem that the corrugated pipe joint cannot be threaded due to slurry leakage or inward turning of the end part is solved.
As shown in fig. 4, optionally, a traction port 14 for the traction steel strand 2 to penetrate through is formed in the traction end 11, and the traction port 14 is communicated with the accommodating space 10, so that the traction steel strand 2 can penetrate into the accommodating space 10 from the traction port 14; the strand pulling device further comprises a second extrusion mechanism 5, the second extrusion mechanism 5 is used for being connected to one end of the traction steel strand 2, when the second extrusion mechanism 5 is connected with the traction steel strand 2, the second extrusion mechanism 5 has a third state and a fourth state, and when the second extrusion mechanism 5 is in the third state, the second extrusion mechanism 5 is compressed, and the diameter of the second extrusion mechanism is not larger than that of the traction opening 14, so that the second extrusion mechanism 5 can penetrate into the accommodating space 10 through the traction opening 14; when the second extrusion mechanism 5 is in the fourth state, the second extrusion mechanism 5 is located in the accommodating space 10, and the diameter of the second extrusion mechanism is larger than that of the traction opening 14, so that the second extrusion mechanism 5 is clamped at the opening of the bundle penetrating hole 13 and cannot fall out of the accommodating space 10, and the whole bundle of steel strands 3 can be smoothly pulled by the traction steel strands 2 to penetrate into the corrugated pipe. According to the embodiment of the application, the single traction steel strand 2 is used for traction of the plurality of whole steel strands 3 to carry out prestress penetration, so that the construction efficiency is improved.
Preferably, the second extrusion mechanism 5 is an elastic sleeve, and the elastic sleeve is used for being sleeved on the traction steel strand 2 or connected to one end of the traction steel strand 2.
Preferably, the first extruding mechanism 4 is an elastic sleeve, and the elastic sleeve is used for being sleeved on the whole bundle of steel strands 3 or connected to one end of the whole bundle of steel strands 3.
Referring to fig. 5 and 6, further, the stringing cylinder 1 further comprises a first cylinder 15 and a second cylinder 16 which are detachably connected, the pulling end 11 is arranged on the first cylinder 15, and the stringing end 12 is arranged on the second cylinder 16. After the whole bundle of steel strands 3 is threaded through the threading barrel 1, the first barrel 15 and the second barrel 16 are disassembled, the first extrusion mechanism 4 is cut off, and the threading of the whole bundle of steel strands 3 is finally completed.
Furthermore, the second cylinder 16 is a cylindrical cylinder, the bundle penetrating end 12 is a circular structure, and a plurality of bundle penetrating holes 13 can be formed to penetrate and bundle a plurality of whole steel strands 3. The first cylinder 15 is a conical cylinder, and the diameter of the conical cylinder gradually decreases from the end close to the second cylinder 16 to the end far away from the second cylinder 16. The first cylinder 15 is of a conical cylinder structure, the problem that end friction force generated when a super-long prestressed hole penetrates through the steel wire is large is solved well, the phenomenon that the whole steel strand 3 cannot penetrate through the steel wire due to the fact that the corrugated pipe joint is inverted can be avoided, the success rate of penetrating the whole steel strand 3 is greatly increased, manpower and material resources are saved, economic loss is avoided, and the effective construction period is shortened.
It is preferred. The first barrel 15 and the second barrel 16 are connected through threads, and are convenient to detach.
Furthermore, the inner wall of the first cylinder 15 is provided with a first thread along the circumferential direction, the outer wall of the second cylinder 16 is provided with a second thread along the circumferential direction, and the thread directions of the first thread and the second thread are opposite. Or, the outer wall of the first cylinder 15 is provided with a first thread along the circumferential direction, the inner wall of the second cylinder 16 is provided with a second thread along the circumferential direction, and the thread directions of the first thread and the second thread are opposite. Both of these ways enable the threaded connection of the first cylinder 15 and the second cylinder 16.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a whole bundle of penetrating device of steel strand which characterized in that, it includes:
wear to restraint barrel (1), seted up accommodating space (10) in it, wear to restraint barrel (1) and include:
-a traction end (11) provided at one end of the lacing cylinder (1), the traction end (11) being used for fixing a traction strand (2);
-a bundle penetrating end (12) arranged at the other end of the bundle penetrating cylinder body (1), wherein a plurality of bundle penetrating holes (13) for the whole bundle of steel strands (3) to penetrate are formed in the bundle penetrating end (12), and the bundle penetrating holes (13) are communicated with the accommodating space (10);
the first extrusion mechanism (4) is used for being connected to one end of the whole bundle of steel strands (3), when the first extrusion mechanism (4) is connected with the whole bundle of steel strands (3), the first extrusion mechanism (4) has a first state and a second state, and when the first extrusion mechanism (4) is in the first state, the first extrusion mechanism (4) is compressed and the diameter of the first extrusion mechanism is not larger than that of the bundle penetrating hole (13); when in the second state, the first extrusion mechanism (4) is positioned in the accommodating space (10) and the diameter of the first extrusion mechanism is larger than that of the beam penetrating hole (13).
2. The steel strand whole bundle penetrating device according to claim 1, wherein a traction opening (14) for a traction steel strand (2) to penetrate through is formed in the traction end (11), and the traction opening (14) is communicated with the accommodating space (10);
the strand pulling device further comprises a second extrusion mechanism (5), the second extrusion mechanism (5) is used for being connected to one end of the traction steel strand (2), when the second extrusion mechanism (5) is connected with the traction steel strand (2), the second extrusion mechanism (5) has a third state and a fourth state, when the second extrusion mechanism (5) is in the third state, the second extrusion mechanism (5) is compressed, and the diameter of the second extrusion mechanism is not larger than that of the traction opening (14); when in the fourth state, the second pressing mechanism (5) is positioned in the accommodating space (10) and the diameter of the second pressing mechanism is larger than that of the traction opening (14).
3. The steel strand whole bundle pulling device according to claim 2, wherein the second pressing mechanism (5) is an elastic sleeve, and the elastic sleeve is used for being sleeved on the traction steel strand (2).
4. The steel strand whole bundle pulling device according to claim 1, wherein the first pressing mechanism (4) is an elastic sleeve, and the elastic sleeve is used for being sleeved on the whole bundle of steel strands (3).
5. The steel strand whole bundle penetrating device according to claim 1, wherein the penetrating cylinder (1) further comprises a first cylinder (15) and a second cylinder (16) which are detachably connected, the traction end (11) is arranged on the first cylinder (15), and the penetrating end (12) is arranged on the second cylinder (16).
6. The steel strand complete bundle threading device according to claim 5, characterized in that the first cylinder (15) is a conical cylinder, the diameter of which gradually decreases from the end close to the second cylinder (16) to the end far from the second cylinder (16).
7. The steel strand complete bundle penetrating device according to claim 5, wherein said second cylinder (16) is a cylindrical cylinder.
8. The steel strand complete bundle threading device according to claim 5, characterized in that the first cylinder (15) and the second cylinder (16) are connected by screw threads.
9. The steel strand complete harness threading device according to claim 8, characterized in that the inner wall of the first cylinder (15) is provided with a first thread in the circumferential direction and the outer wall of the second cylinder (16) is provided with a second thread in the circumferential direction.
10. The steel strand complete harness threading device according to claim 8, characterized in that the outer wall of the first cylinder (15) is provided with a first thread in the circumferential direction and the inner wall of the second cylinder (16) is provided with a second thread in the circumferential direction.
CN202021264245.2U 2020-06-30 2020-06-30 Whole bundle of penetrating device of steel strand Active CN213061721U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021264245.2U CN213061721U (en) 2020-06-30 2020-06-30 Whole bundle of penetrating device of steel strand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021264245.2U CN213061721U (en) 2020-06-30 2020-06-30 Whole bundle of penetrating device of steel strand

Publications (1)

Publication Number Publication Date
CN213061721U true CN213061721U (en) 2021-04-27

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CN202021264245.2U Active CN213061721U (en) 2020-06-30 2020-06-30 Whole bundle of penetrating device of steel strand

Country Status (1)

Country Link
CN (1) CN213061721U (en)

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