CN215107436U - Traction head structure for integral threading of steel strand and integral threading system of steel strand - Google Patents
Traction head structure for integral threading of steel strand and integral threading system of steel strand Download PDFInfo
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- CN215107436U CN215107436U CN202120869235.XU CN202120869235U CN215107436U CN 215107436 U CN215107436 U CN 215107436U CN 202120869235 U CN202120869235 U CN 202120869235U CN 215107436 U CN215107436 U CN 215107436U
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Abstract
The utility model discloses a traction head structure and a system for the integral penetration of steel strand, belonging to the field of prestressed steel strand construction equipment and providing a traction head structure for the integral penetration of steel strand, which can effectively simplify the structure; the traction rod comprises a traction rod and a plurality of steel strands, one end of each steel strand is connected with the traction rod, each steel strand surrounds the outer peripheral wall of the traction rod and is connected with the traction rod to form a traction head structure, and the end face of one end, connected with the traction rod, of each steel strand is distributed in a staggered step mode in the axial direction of the traction rod and enables the traction head structure to form a cone-shaped structure in the axial direction of the traction rod. The traction head structure of the utility model is in a cone shape, so that the frictional resistance in the traction duct can be effectively reduced, the traction head structure can smoothly realize traction through the duct, and a better shuttle effect can be realized; but also can save a great deal of labor and heading materials.
Description
Technical Field
The utility model relates to a prestressing force steel strand wires construction equipment field especially relates to a steel strand wires is whole to wear to restraint system that is used for the whole traction head structure of wearing to restraint of steel strand wires and adopts this traction head structure.
Background
When a long steel strand is threaded, the existing steel strand combing, weaving and threading device needs to number the whole hole steel strand in advance to penetrate through a comb plate, then a traction head of each steel strand is broken up to strip wires, only a central wire of the steel strand is reserved at the end with the length of about 40 cm, the whole hole steel strand central wire penetrates through a traction screw plug to be subjected to heading, and then a winch is used for dragging the traction screw plug to realize whole hole threading.
The existing device has multiple use procedures, including wire stripping of the ends of the steel strands, heading of the wire ends, multiple binding of the steel strands, manual arrangement of the steel strands to be inserted into holes in the rear of the comb plate and the like, cannot completely realize automatic binding operation, has low operation efficiency, and is particularly difficult to achieve efficient application for longitudinal prestress binding of a cantilever cast-in-situ beam in overhead operation.
In addition, in the technical scheme described in chinese patent publication No. CN201581644U, a comb plate, an adhesive tape, a traction plug screw, a spiral case, a traction cable and a traction winch are sequentially provided, each steel strand is inserted into a through hole corresponding to the comb plate, a center wire of each steel strand is inserted into a corresponding through hole on the traction plug screw, the traction plug screw is matched with the spiral case, the traction cable is located in the corrugated pipe, one end of the traction cable is connected to the traction winch, the other end of the traction cable is connected to the spiral case, and the adhesive tape is wound around the end of the steel strand. But the steel strand is easily scratched in the process of penetrating the steel strand by the scheme, so that the later-stage stretching data deviation of the steel strand is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can effectively simplify the structure be used for the whole first structure that pulls of wearing of steel strand wires.
The utility model provides a technical scheme that its technical problem adopted is: a first structure of pulling for whole bundle of wearing of steel strand wires, including pulling stick and a plurality of steel strand wires, the one end and the pulling stick of each steel strand wires are connected, and each steel strand wires surrounds to be connected and form and pull the head structure with pulling the stick on pulling the periphery wall of stick to the terminal surface of the one end that each steel strand wires and pulling the stick link to each other becomes the ladder distribution of dislocation and makes the first structure of pulling form centrum shape structure on the axial direction along pulling the stick along pulling the axial direction of stick.
Further, the method comprises the following steps: the end face of one end of each steel strand connected with the traction rod is in step-by-step spiral staggered step distribution along the axial direction of the traction rod.
Further, the method comprises the following steps: the traction rod is a steel bar, and each steel strand surrounds on the periphery wall of traction rod and is welded connection with the traction rod.
In addition, the utility model also provides a steel strand integral lacing system for integrally threading steel strands into the pore, adopts the traction head structure for integrally threading the steel strand, and also comprises a comb plate, a traction rope and traction power equipment, wherein the comb plate comprises a comb plate body, a plurality of through-bunching holes penetrating through the comb plate body are distributed on the comb plate body, one end of the pore passage is an inlet, the other end of the pore passage is an outlet, the comb plate is arranged at the inlet of the pore passage, each steel strand corresponds to the through-bunching holes on the comb plate one by one, and one end of each steel strand penetrates through the bundle penetrating hole in the comb plate and then is connected with a traction rod in the pore channel to form the traction head structure for integral bundle penetrating of the steel strands, the traction rod is connected with one end of a traction rope, and the other end of the traction rope penetrates out of the outlet of the pore channel and then is connected with traction power equipment.
Further, the method comprises the following steps: the part of the traction rod connected with the traction rope is provided with a hook, and the traction rope is hooked on the hook.
Further, the method comprises the following steps: the traction rope is a steel wire rope; the traction power equipment is a winch.
Further, the method comprises the following steps: at least one pulley assembly is arranged between the outlet of the duct and the traction power equipment, and the traction rope passes through the pulley assembly.
Further, the method comprises the following steps: one end of the beam penetrating hole is an inlet end, the other end of the beam penetrating hole is an outlet end, and the aperture of the inlet end of the beam penetrating hole is larger than that of the outlet end of the beam penetrating hole.
Further, the method comprises the following steps: the beam penetrating hole is sequentially provided with a horn-shaped hole section and a cylindrical hole section from the inlet end to the outlet end of the beam penetrating hole, the aperture of the horn-shaped hole section is reduced in a conical manner along the direction from the inlet end to the outlet end, and the aperture of the cylindrical hole section is unchanged; the axial length of the flared bore section is twice the axial length of the cylindrical bore section.
Further, the method comprises the following steps: the corrugated pipe is also sleeved in the pore passage, and the steel strand is arranged in the corrugated pipe in a penetrating manner.
The utility model has the advantages that: the utility model discloses in through setting up the pull rod and directly adopting the ladder distribution mode of dislocation with each steel strand wires to be connected with the pull rod, so that the structure of pull head forms centrum shape structure along the axial direction of pull rod, and this shape can reduce the frictional resistance in pulling the pore effectively, make the structure of pull head can realize pulling through the pore smoothly, and can realize better shuttle effect; in addition, because various traditional procedures of stripping the wire and heading the head of the steel strand are omitted, a large amount of labor and heading materials can be saved. In addition, the steel strand integral pulling system of the utility model can realize the automatic integral pulling operation of the whole bundle of steel strands by means of the huge traction of the winch, thereby saving the traditional manual carding of the steel strands and reducing the safety risk that the steel strand clamping hands hurt people in the operation process; and through adopting a traction head structure for whole bundle of wearing of steel strand and adopt the modified perforated plate after, enable the whole hole of steel strand and wear to restraint and go on smoothly fast, wear to restraint the process and realize automatic broach and compile and restraint, and can not cause scratch and scotch to the steel strand wires surface, guarantee that each steel strand wires reaches abundant exhibition in the pore, and the local phenomenon of buckling does not appear to realize that each single steel strand wires atress is even, reach best tension state, guarantee the stretch-draw quality.
Drawings
Fig. 1 is a schematic view of an integral steel strand threading system according to the present invention;
figure 2 is a front view of the comb plate;
figure 3 is a side view of the comb plate;
FIG. 4 is a partial schematic view of a traction head structure;
labeled as: the comb plate comprises a comb plate 1, a pore passage 2, a steel strand 3, a traction rod 4, a traction rope 5, traction power equipment 6, a hook 7, a pulley assembly 8, a corrugated pipe 9, a wall body 10, a comb plate body 11, a beam penetrating hole 12, an inlet end 13, an outlet end 14, a horn-shaped hole section 15 and a cylindrical hole section 16.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
It should be noted that, if the present invention relates to directional indication terms, such as the terms of direction and orientation, above, below, left, right, front and back, for facilitating the description of the relative position relationship between the components, the absolute position that is not the relative position relationship between the related components and the components is specifically referred to, and is only used for explaining the relative position relationship and the motion condition between the components in a certain specific attitude, and if the specific attitude changes, the directional indication changes accordingly. In the present invention, the terms "a" and "an" refer to a plurality of items, such as "a plurality of items" and "a plurality of items".
A first structure of pulling for whole bundle of wearing of steel strand wires, including pulling excellent 4 and a plurality of steel strand wires 3, the one end of each steel strand wires 3 is connected with pulling excellent 4, each steel strand wires 3 surrounds to be connected and form and pull the head structure with pulling excellent 4 on the periphery wall that pulls excellent 4 to the terminal surface of each steel strand wires 3 and the one end that pulls excellent 4 links to each other becomes the ladder distribution of dislocation on the axial direction along pulling excellent 4 and makes and pull the head structure and form centrum shape structure on the axial direction along pulling excellent 4. Thus, by arranging the traction head structure in a cone-shaped structure, the traction head structure can smoothly realize traction through the pore channel 2 and can realize better shuttling effect; moreover, because various traditional procedures such as wire stripping and heading of the head of the steel strand 3 are omitted, a large amount of labor and heading materials can be saved.
More specifically, the end face of one end of each steel strand 3 connected with the traction rod 4 is in stepped distribution in a step-by-step spiral dislocation along the axial direction of the traction rod 4; the step distribution with stepwise spiral dislocation actually means that the steel strands 3 are arranged side by side in the circumferential direction around the traction rod 4, the overlapping lengths of the steel strands 3 and the traction rod 4 are unequal and are sequentially staggered to form step-shaped step-by-step changes, so that the cross-sectional areas of different positions in the axial direction of the traction rod 4 are changed step by step, and finally, the steel strands 3 and the traction rod 4 are connected through the arrangement to form a structure which is approximately in a cone shape.
More specifically, the utility model provides a draw stick 4 specifically can set up to a reinforcing bar, and each steel strand wires 3 for surround on the periphery wall of drawing stick 4 and with draw stick 4 welded connection. And, when the number of the steel strands 3 is large, the steel strands 3 may be wrapped to form a multi-layered structure.
Additionally, the utility model provides a system is restrainted to whole wearing of steel strand wires still, for being used for wholly penetrating the steel strand wires in to pore 2, pore 2 is for being located corresponding wall body 10 to two ports that form pore 2 respectively at the both ends of wall body 10, and entry and export. Meanwhile, the traction head structure for the whole steel strand threading comprises a comb plate 1, a traction rope 5 and traction power equipment 6, wherein the comb plate 1 comprises a comb plate body 11, a plurality of threading holes 12 penetrating through the comb plate body 11 are distributed on the comb plate body 11, the number of the threading holes 12 can be determined according to the number of the steel strands 3 required to pass, the positions of the threading holes 12 can be set according to the design distribution of the steel strands 3, the comb plate 1 is arranged at the inlet of the hole 2, each steel strand 3 corresponds to the threading holes 12 on the comb plate 1 one by one, one end of each steel strand 3 passes through the threading holes 12 on the comb plate 1 and then is connected with the traction rod 4 positioned in the hole 2 to form the traction head structure for the whole steel strand threading, the traction rod 4 is connected with one end of the traction rope 5, the other end of the hauling cable 5 is connected with the hauling power equipment 6 after penetrating out of the outlet of the duct 2. The traction rope 5 is pulled by the traction power equipment 6, and the whole traction on all the steel strands 3 is realized simultaneously by the traction rod 4. Wherein, through setting up fishback 1, like this each steel strand wires 3 can be respectively through the through-bunching hole 12 on the fishback 1 location distribution effectively, and then make each steel strand wires 3 after passing fishback 1 can keep independent each other, enter into in the pore 2 parallelly, in order to realize that all steel strand wires 3 are in the automatic broach and the bundle of weaving of wearing the bundle process, guarantee that each steel strand wires reaches to unfold fully in the pore, and local turn-up phenomenon does not appear, thereby realize that each single steel strand wires 3 atress is even, reach best tension state, guarantee the tension quality.
More specifically, in order to facilitate the disassembly and assembly of the traction rod 4 and the traction rope 5, a hook 7 is arranged at the connection part of the traction rod 4 and the traction rope 5, and the traction rope 5 is hooked on the hook 7.
More specifically, the traction rope 5 can be specifically set as a steel wire rope, and the corresponding traction power equipment 6 is a winch; one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with the traction rod 4.
In addition, the utility model further can be provided with at least one pulley assembly 8 between the outlet of the duct 2 and the traction power equipment 6, and the traction rope 5 passes through the pulley assembly 8; this provides a certain guidance and redirection of the pull-cord 5 by means of the pulley assembly 8.
In addition, more specifically, the utility model discloses in further set up the one end of wearing to restraint hole 12 is entry end 13, and the other end of wearing to restrain hole 12 is exit end 14, and wherein the aperture of the entry end 13 of wearing to restrain hole 12 is greater than the aperture of the exit end 14 of wearing to restrain hole 12. For example, as shown in the drawing, the beam penetration hole 12 is provided with a flared hole section 15 and a cylindrical hole section 16 in sequence from the inlet end 13 to the outlet end 14, the aperture of the flared hole section 15 is reduced in a conical manner along the direction from the inlet end 13 to the outlet end 14, and the aperture of the cylindrical hole section 16 is unchanged; the axial length of the flared bore section 15 is twice the axial length of the cylindrical bore section 16. Therefore, the outer surface of the steel strand 3 can be further prevented from being scratched and scratched in the strand pulling process, and the quality and the strength of the steel strand 3 are effectively guaranteed.
In addition, without loss of generality, a corrugated pipe 9 is usually sleeved in the pore passage 2, and the steel strand 3 is arranged in the corrugated pipe 9 in a penetrating manner; namely, the corrugated pipe 9 is arranged close to the inner wall of the pore passage 2, and the steel strand 3 penetrating into the pore passage 2 is sleeved in the corrugated pipe 9.
Claims (10)
1. A pull head structure for whole bundle of wearing of steel strand wires, including pulling stick (4) and a plurality of steel strand wires (3), the one end and the pull rod (4) of each steel strand wire (3) are connected its characterized in that: each steel strand (3) surrounds the peripheral wall of the traction rod (4) and is connected with the traction rod (4) to form a traction head structure, and the end face of one end, connected with the traction rod (4), of each steel strand (3) is distributed in a staggered step mode in the axial direction of the traction rod (4) so that the traction head structure forms a cone-shaped structure in the axial direction of the traction rod (4).
2. The pulling head structure for the integral threading of steel strands according to claim 1, characterized in that: the end face of one end of each steel strand (3) connected with the traction rod (4) is in stepped distribution in a step-by-step spiral dislocation mode along the axial direction of the traction rod (4).
3. The pulling head structure for the integral threading of steel strands according to claim 1 or 2, characterized in that: the traction rod (4) is a steel bar, and each steel strand (3) surrounds the outer peripheral wall of the traction rod (4) and is connected with the traction rod (4) in a welding mode.
4. The integral steel strand threading system is used for integrally threading a steel strand into a hole (2), and the traction head structure for the integral steel strand threading is adopted in any one of the claims 1 to 3, and is characterized in that: also comprises a comb plate (1), a traction rope (5) and traction power equipment (6), wherein the comb plate (1) comprises a comb plate body (11), a plurality of beam penetrating holes (12) penetrating through the comb plate body (11) are distributed on the comb plate body (11), one end of the pore channel (2) is an inlet, the other end of the pore channel (2) is an outlet, the comb plate (1) is arranged at the inlet of the pore channel (2), each steel strand (3) corresponds to the beam penetrating holes (12) on the comb plate (1) one by one, and one end of each steel strand (3) penetrates through a bundle penetrating hole (12) in the comb plate (1) and then is connected with a traction rod (4) located in the pore channel (2) to form a traction head structure for integral bundle penetrating of the steel strands, the traction rod (4) is connected with one end of a traction rope (5), and the other end of the traction rope (5) penetrates out of an outlet of the pore channel (2) and then is connected with traction power equipment (6).
5. The steel strand integral lacing system of claim 4, wherein: a hook (7) is arranged at the connection part of the traction rod (4) and the traction rope (5), and the traction rope (5) is hooked on the hook (7).
6. The steel strand integral lacing system of claim 4, wherein: the traction rope (5) is a steel wire rope; the traction power equipment (6) is a winch.
7. The steel strand integral lacing system of claim 4, wherein: at least one pulley assembly (8) is further arranged between the outlet of the duct (2) and the traction power equipment (6), and the traction rope (5) passes through the pulley assembly (8).
8. The steel strand integral lacing system of claim 4, wherein: one end of the beam penetrating hole (12) is an inlet end (13), the other end of the beam penetrating hole (12) is an outlet end (14), and the aperture of the inlet end (13) of the beam penetrating hole (12) is larger than that of the outlet end (14) of the beam penetrating hole (12).
9. The steel strand integral lacing system of claim 8, wherein: the beam penetrating hole (12) is sequentially provided with a horn-shaped hole section (15) and a cylindrical hole section (16) from the inlet end (13) to the outlet end (14), the aperture of the horn-shaped hole section (15) is reduced in a conical manner along the direction from the inlet end (13) to the outlet end (14), and the aperture of the cylindrical hole section (16) is unchanged; the axial length of the flared bore section (15) is twice the axial length of the cylindrical bore section (16).
10. The steel strand integral lacing system of any one of claims 4-9, wherein: a corrugated pipe (9) is further sleeved in the pore channel (2), and the steel strand (3) penetrates through the corrugated pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120869235.XU CN215107436U (en) | 2021-04-26 | 2021-04-26 | Traction head structure for integral threading of steel strand and integral threading system of steel strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120869235.XU CN215107436U (en) | 2021-04-26 | 2021-04-26 | Traction head structure for integral threading of steel strand and integral threading system of steel strand |
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| Publication Number | Publication Date |
|---|---|
| CN215107436U true CN215107436U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120869235.XU Active CN215107436U (en) | 2021-04-26 | 2021-04-26 | Traction head structure for integral threading of steel strand and integral threading system of steel strand |
Country Status (1)
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|---|---|
| CN (1) | CN215107436U (en) |
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2021
- 2021-04-26 CN CN202120869235.XU patent/CN215107436U/en active Active
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