Device for integrally pulling steel strand

By designing a device for the overall beam-through of steel stranded wire, including a steel strand traction structure and a steel stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire stranded wire strand

CN119933042APending Publication Date: 2025-05-06CHINA RAILWAY SIXTH GROUP CO LTD +1
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Patent Information

Application Number
CN202510391882.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

In the prior art, it is difficult for steel strands to penetrate multiple strands at the same time during beam-plate lamination, which easily leads to uneven winding and tensile stresses.

Method used

A device for the integral beam-through of steel stranded wires is designed, including a steel stranded wire group, a steel strand traction structure and a steel stranded wire stranded wire stranded wire stranded mechanism. The steel beam traction structure can fix multiple sets of steel strands together and pull them into the bridge channel through the traction structure, and the steel strand beam-through mechanism assists in conveying the steel strands.

Benefits of technology

The overall beam-through of multiple steel strands is achieved, avoiding the problems of uneven winding and tensioning stresses, and improving construction efficiency and quality.

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Abstract

The invention relates to the technical field of steel strand pulling devices, and discloses a device for integrally pulling steel strands, which comprises a steel strand group consisting of a plurality of groups of steel strands which are annularly distributed; the steel bundle traction structure is detachably mounted at one end of the steel strand group, and the steel bundle traction structure can be used for pulling the steel strand group; and the steel strand pulling mechanism is mounted on the steel strand group and is used for integrally conveying the steel strand group. According to the steel strand pulling device, the steel strand pulling structure can fix the multiple sets of steel strand bundles together at the same time so as to solve the problem that in the prior art, it is difficult to pull and pull the multiple steel strands at the same time, and under the pulling and fixing effects of the steel strand pulling structure on the steel strand sets, winding of each set of steel strand bundles during strand pulling in the hole channels can be avoided; and the problem of non-uniform tension stress of each group of steel strands can be avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of steel strand bundle threading devices, in particular to a device for integrally threading steel strand bundles. Background Art

[0002] Steel strands are steel products made of multiple steel wires twisted together. They are commonly used in bridges, buildings, water conservancy, energy and projects along the way. Especially in bridge projects, each hole on the hollow slab beam, box beam and T-beam requires multiple steel strands, and there are many holes to be cut. Therefore, the threading of the steel strands directly affects the construction cost, progress and quality.

[0003] In beam and slab steel strand bundling, a bundling machine is usually used to manually bundle one strand at a time. This makes it difficult to bundle multiple strands, and the strands are easily entangled in the hole during the bundling process. After tensioning, the tensioning stress of each strand is uneven and varies greatly.

[0004] Based on this, a device for overall bundle threading of steel strands is proposed. Summary of the invention

[0005] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a device for bundle threading of steel strands as a whole, so as to solve the problem raised in the background technology: in beam and slab steel strands bundle threading is usually carried out manually by a bundle threading machine, which makes it difficult to bundle multiple steel strands, and the steel strands are easily entangled in the channel during the bundle threading process, resulting in uneven and highly different tensioning stresses of each steel strand after tensioning.

[0006] (II) Technical solution To achieve the above object, the present invention provides the following technical solutions: A device for integrally threading a steel strand, comprising: A steel strand group, wherein the steel strand group is composed of a plurality of steel strand bundles, and the plurality of steel strand bundles are distributed in a ring shape; A steel bundle traction structure, which is detachably mounted on one end of the steel strand group and can pull the steel strand group; A steel strand bundle threading mechanism is installed on the steel strand group and is used to transport the steel strand group as a whole.

[0007] Preferably, each group of the steel strand bundles is composed of a steel core and a plurality of steel wires, and the plurality of steel wires are twisted and installed on the steel core; One end of each of the steel cores has an exposed portion, and an outer end of each of the exposed portions is provided with a positioning groove; The steel bundle traction structure comprises a cylindrical traction seat and a sleeve mounted on the cylindrical traction seat; The cylindrical traction seat is provided with a plurality of insertion holes, and the plurality of insertion holes are distributed in a circumferential manner on the edge of the cylindrical traction seat; The bottom end of the cylindrical traction seat has an annular flange, and the side wall of the cylindrical traction seat has an external threaded portion; Each of the exposed parts can be plugged into the corresponding plug-in hole, and after plugging, each of the positioning grooves is exposed outward, and a positioning piece is plugged into each of the positioning grooves, and each of the positioning pieces is used to limit and fix the corresponding exposed part; The inner cavity side wall of the sleeve is provided with an internal threaded portion, and the sleeve can be threadedly installed on the cylindrical traction seat through the threaded matching between the internal threaded portion and the external threaded portion, and after installation, the bottom end of the sleeve can abut against the top end of the annular flange; Each of the exposed portions can be located within the cavity of the sleeve; A traction head is integrally formed at one end of the top of the sleeve, and a traction hole is provided on the traction head.

[0008] Preferably, a ball guide component is also installed on the sleeve.

[0009] Preferably, the ball guide component includes a plurality of balls, and the plurality of balls are circumferentially distributed on the outside of the side wall of the sleeve, and a ball bracket is movably mounted on each of the balls, and one end of the bottom of each of the ball brackets is fixedly mounted on the side wall of the sleeve.

[0010] Preferably, the steel strand threading mechanism comprises a lower base and an upper base, the upper base is arranged above the lower base, a lower rolling conveying structure is installed on the lower base, an upper rolling conveying structure is installed on the upper base, a driving structure is installed on the lower base, the driving structure is connected to the upper rolling conveying structure, and drives the rotation of the upper rolling conveying structure; The steel strand group is clamped and installed between the lower rolling conveying structure and the upper rolling conveying structure. When the driving structure drives the upper rolling conveying structure, the steel strand group can be transported as a whole.

[0011] Preferably, both sides of the lower base are provided with a lower shaft hole and a driven pulley in the upper shaft rod, and both sides of the upper base are provided with an upper shaft hole; The lower rolling conveying structure comprises two lower shafts, which are respectively rotatably mounted in the driven pulleys in the corresponding lower shaft holes, one end of each of the two lower shafts is fixedly mounted with a lower conveying wheel, a lower shaft inner limiting ring is fixedly mounted between the lower conveying wheel and the lower shaft, and a lower shaft outer limiting ring is fixedly mounted at one end of each of the two lower shafts away from the lower shaft inner limiting ring; Wherein, the two lower conveying wheels are both provided with a first wheel groove; The upper rolling conveying structure comprises two upper shafts, which are respectively rotatably mounted in corresponding upper shaft holes, one end of each of the two upper shafts is fixedly mounted with an upper conveying wheel, a driven pulley in the upper shaft of the lower shaft hole is fixedly mounted between the upper conveying wheel and the upper shaft, and an upper shaft outer limiting ring is fixedly mounted at one end of each of the two upper shafts away from the upper conveying wheel; Wherein, the two upper conveying wheels are each provided with a second wheel groove; A conveying channel for facilitating installation of a steel strand group can be formed between the two first wheel grooves and the second wheel grooves, and the steel strand group is in the conveying channel during transportation; The driving structure comprises a motor, which is fixedly mounted on the top of the upper base. A driving pulley is fixedly mounted on the output shaft of the motor, and a transmission belt is sleeved and mounted between the driving pulley and the driven pulleys in the upper shafts of the two lower shaft holes.

[0012] Preferably, the two lower conveying wheels and the two upper conveying wheels are in the same vertical plane; The driving pulley and the driven pulleys in the two lower shaft holes and upper shaft rods are all located in the same vertical plane.

[0013] Preferably, four groups of adjustable support structures are installed on the lower base and the upper base, two groups of the adjustable support structures are respectively installed at the two ends of one side of the lower base and the upper base, and the other two groups of the adjustable support structures are respectively installed at the two ends of the other side of the lower base and the upper base.

[0014] Preferably, each set of the adjustable support structures comprises a support rod and a U-shaped ferrule, each of the support rods is in an inverted T shape, and one end of the bottom of each of the support rods is fixedly mounted on the side wall of the lower base; Each of the U-shaped ferrules is sleeved and mounted on a corresponding support rod, and one end of the bottom of each of the U-shaped ferrules is fixedly mounted on the side wall of the upper base, and the U-shaped ferrule can slide on the support rod; A nut is fixedly mounted on the outer wall of each U-shaped ferrule, the inner cavity of each nut is connected to the inner cavity of the U-shaped ferrule, and a positioning bolt is threadedly mounted on each nut; Each positioning bolt can clamp and fix the support rod when tightened.

[0015] Preferably, an L-shaped bracket is fixedly mounted on the side wall of the lower base between the two support rods, a hanging plate is fixedly mounted on the side wall of the L-shaped bracket, and a plurality of countersunk assembly holes are opened in a matrix on the hanging plate; A C-shaped hanging ring is fixedly installed at the top center of the upper base.

[0016] Beneficial effects: The present invention provides a device for integrally threading a steel strand, which has the following beneficial effects: 1. In the present invention, the steel bundle traction structure can fix multiple groups of steel strands together at the same time, so as to solve the problem in the prior art that it is difficult to bundle and pull multiple steel strands at the same time.

[0017] 2. In the present invention, when multiple groups of steel strand bundles are fixed together by the steel strand traction structure, and the steel strand traction structure can pull the steel strand group into the hole of the bridge, the steel strand threading mechanism can assist the steel strand traction structure, and the steel strand threading mechanism can cooperate with the steel strand traction structure, then the steel strand group can be stably transported into the hole of the bridge as a whole, and under the traction and fixing effect of the steel strand traction structure on the steel strand group, it can also avoid the entanglement of each group of steel strand bundles when threading the bundle in the hole, and can also avoid the problem of uneven tensioning stress of each group of steel strand bundles.

[0018] 3. In the present invention, each positioning piece is used to limit and fix the corresponding exposed part, so as to prevent each group of steel strands from falling off during the traction process; At the same time, after each positioning piece is removed from the corresponding exposed part, the steel strand group and the steel bundle traction structure can be easily disassembled.

[0019] Fourth, in the present invention, the sleeve can be installed or disassembled with the cylindrical traction seat by means of threaded cooperation between the internal threaded portion and the external threaded portion.

[0020] 5. In the present invention, an external traction rope (not shown in the figure) is inserted from the other side of the bridge channel. After passing through, the free end of the traction rope is bolted and fixed to the traction hole on the traction head. The external traction rope is connected to a winch (not shown in the figure) on the other side. The winch winds up the traction rope to pull the steel bundle traction structure into the bridge channel. When the steel bundle traction structure is pulled, the steel strand group is also pulled by the steel bundle traction structure, and the steel strand threading mechanism can assist in the traction of the steel bundle traction structure.

[0021] 6. In the present invention, the ball-type guide component enables the steel bundle traction structure to roll in contact with the inner wall of the bridge hole when it penetrates into the bridge hole, thereby reducing the resistance of the steel bundle traction structure entering the bridge hole.

[0022] 7. In the present invention, after the steel bundle traction structure is pulled into the bridge channel, the annularly distributed balls will directly roll in contact with the inner wall of the channel. This contact method will prevent the outer wall of the steel bundle traction structure from directly rubbing and sliding with the inner wall of the channel, thereby reducing resistance, so that the steel bundle traction structure can be more efficient in threading the bundle after pulling the steel strand group into the bridge channel.

[0023] 8. In the present invention, the steel strand group is clamped and installed between the lower rolling conveying structure and the upper rolling conveying structure. When the driving structure drives the upper rolling conveying structure, the steel strand group can be transported as a whole; Specifically, the motor can drive the rotation of the driving pulley through its output shaft, and the driving pulley can synchronously drive the rotation of the two upper conveying wheels through the transmission belt, and the steel strand group is in the conveying channel formed between the first wheel groove and the second wheel groove. When the two upper conveying wheels rotate at the same time, the steel strand group in the conveying channel can be stably conveyed as a whole into the bridge channel.

[0024] 9. In the present invention, four groups of adjustable support structures can freely adjust the distance between the lower base and the upper base, and the upper rolling conveying structure and the lower rolling conveying structure can be adjusted synchronously with the adjustment of the lower base and the upper base, so that the distance between the upper rolling conveying structure and the lower rolling conveying structure can adapt to steel strand groups with different outer diameters.

[0025] 10. In the present invention, a nut is fixedly mounted on the outer wall of each U-shaped ferrule, the inner cavity of each nut is connected to the inner cavity of the U-shaped ferrule, and a positioning bolt is threadedly mounted on each nut; Each positioning bolt can clamp and fix the support rod when tightened, so as to achieve the effect of adjusting the distance between the upper rolling conveying structure and the lower rolling conveying structure.

[0026] 11. In the present invention, in order to facilitate the installation and fixing of the steel strand threading mechanism to the side wall of the bridge, there are two different installation and fixing methods: The first fixing method: an L-shaped bracket is fixedly installed on the side wall of the lower base between the two support rods, a hanging plate is fixedly installed on the side wall of the L-shaped bracket, a plurality of countersunk assembly holes are provided in a matrix on the hanging plate, the L-shaped bracket is used to fix the hanging plate, the hanging plate is used to fit and be installed on the side wall of the bridge, each countersunk bolt is installed in a corresponding countersunk assembly hole, and each countersunk bolt can also be inserted into the side wall of the bridge after being inserted into the corresponding countersunk assembly hole, so as to fasten the hanging plate to the side wall of the bridge; The second fixing method: A C-shaped hanging ring is fixedly installed at the top center of the upper base, and the suspension rope of the suspension machine can be bolted and fixed to the C-shaped hanging ring, and the steel strand threading mechanism is set on one side of the bridge channel in a suspended installation manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional schematic diagram of the present invention; Figure 2 It is a three-dimensional schematic diagram of the present invention after being rotated 90° counterclockwise and partially cut away; Figure 3 for Figure 2The enlarged three-dimensional schematic diagram of part A in the middle; Figure 4 is a three-dimensional schematic diagram of a steel strand bundle of the present invention; Figure 5 for Figure 4 The enlarged three-dimensional schematic diagram of the middle B part; Figure 6 A three-dimensional schematic diagram showing one of the perspectives of a partial cross section of the steel bundle traction structure of the present invention; Figure 7 A three-dimensional schematic diagram of a partial cross-section of the steel bundle traction structure of the present invention from a second perspective; Figure 8 A three-dimensional schematic diagram of one perspective of the steel bundle traction structure of the present invention; Fig. 9 It is a three-dimensional schematic diagram of the steel strand bundle threading mechanism of the present invention; Fig.10 for Fig. 9 The three-dimensional schematic diagram of the enlarged C part in the middle; Fig.11 A three-dimensional schematic diagram of the steel bundle traction structure of the present invention from a second perspective; Fig.12 It is a three-dimensional schematic diagram of the driving structure, the upper rolling conveying structure and the lower rolling conveying structure of the present invention; Fig.13 It is a three-dimensional schematic diagram of a combination of a lower base, an upper base, four sets of adjustable support structures, an L-shaped bracket, a hanging plate and a C-shaped hanging ring of the present invention; Fig.14 A three-dimensional schematic diagram of the steel bundle traction structure of the present invention from a third perspective; Fig.15 for Fig.14 A three-dimensional schematic diagram of the enlarged portion D in the middle.

[0028] In the figure: 10, steel strand group; 101, steel strand bundle; 1011, steel core; 1012, steel wire; 1013, exposed part; 1014, positioning groove; 1015, positioning piece; 20, steel strand traction structure; 201, cylindrical traction seat; 202, plug hole; 203, annular flange; 204, external threaded part; 205, sleeve; 206, internal threaded part; 207, traction head; 208, ball; 209, ball bracket; 30, steel strand bundle threading mechanism; 301, lower base; 3011, lower shaft hole; 302, upper base; 3021, upper shaft hole; 303, motor; 30 4. Driving pulley; 305. Lower shaft; 306. Lower conveying wheel; 3061. First wheel groove; 307. Inner limit ring of lower shaft; 308. Outer limit ring of lower shaft; 309. Upper shaft; 3010. Upper conveying wheel; 30101. Second wheel groove; 3011. Inner driven pulley of upper shaft; 3012. Outer limit ring of upper shaft; 3013. Transmission belt; 3014. Support rod; 3015. U-shaped ferrule; 3016. Nut; 3017. Positioning bolt; 3018. L-shaped bracket; 3019. Suspension plate; 3020. Countersunk assembly hole; 3022. C-shaped hanging ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1 like Figure 1-15 As shown, the present invention provides a technical solution: A device for integrally threading a steel strand, comprising: The steel strand group 10 is composed of a plurality of steel strand bundles 101, and the plurality of steel strand bundles 101 are distributed in a ring shape; A steel bundle pulling structure 20, which is detachably mounted on one end of the steel strand group 10, and can pull the steel strand group 10; The steel strand bundle threading mechanism 30 is installed on the steel strand group 10 and is used to transport the steel strand group 10 as a whole.

[0031] In this embodiment, after the steel strand pulling structure 20 is installed at one end of the steel strand group 10, it is used to pull the steel strand group 10, and the steel strand bundle passing mechanism 30 can be installed on any side of the bridge. After the steel strand bundle passing mechanism 30 is installed on the side wall of the bridge, the steel strand group 10 can pass through the steel strand bundle passing mechanism 30, and the steel strand group 10 can be stably passed into the channel of the bridge through the steel strand bundle passing mechanism 30; Therefore, the steel strand pulling structure 20 can simultaneously fix multiple groups of steel strand bundles 101 together, so as to solve the problem in the prior art that it is difficult to simultaneously thread and pull multiple steel strands. When multiple groups of steel strand bundles 101 are fixed together by the steel strand traction structure 20, and the steel strand traction structure 20 is able to pull the steel strand group 10 into the tunnel of the bridge, and the steel strand threading mechanism 30 is able to assist the steel strand traction structure 20, and the steel strand threading mechanism 30 is able to cooperate with the steel strand traction structure 20, the steel strand group 10 can be stably transported as a whole into the tunnel of the bridge, and under the traction and fixing action of the steel strand traction structure 20 on the steel strand group 10, it is also possible to avoid entanglement of each group of steel strand bundles 101 when threading the bundle in the tunnel, and it is also possible to avoid the problem of uneven tensile stress of each group of steel strand bundles 101.

[0032] Embodiment 2 like Figure 1-15 As shown, based on the first embodiment, the following improvements are made: In order to optimize the specific structure of the steel strand bundle 101 in the steel strand group 10, in this embodiment, further, each group of steel strand bundles 101 is composed of a steel core 1011 and a plurality of steel wires 1012, and the plurality of steel wires 1012 are twisted and installed on the steel core 1011; Each steel core 1011 has an exposed portion 1013 at one end, and a positioning groove 1014 is formed on the outer end of each exposed portion 1013; In order to optimize the specific structure of the steel bundle traction structure 20, in this embodiment, further, the steel bundle traction structure 20 includes a cylindrical traction seat 201 and a sleeve 205 installed on the cylindrical traction seat 201; The cylindrical traction seat 201 is provided with a plurality of insertion holes 202, and the plurality of insertion holes 202 are distributed in a circumferential manner on the edge of the cylindrical traction seat 201; The bottom end of the cylindrical traction seat 201 has an annular flange 203, and the side wall of the cylindrical traction seat 201 has an external threaded portion 204; In order to optimize the installation and combination structure between the steel strand group 10 and the steel bundle traction structure 20, in the present embodiment, further, each exposed portion 1013 can be plugged and installed into the corresponding plug-in hole 202, and after plugging, each positioning groove 1014 is exposed outward, and a positioning piece 1015 is plugged and installed in each positioning groove 1014, and each positioning piece 1015 is used to limit and fix the corresponding exposed portion 1013, thereby preventing each group of steel strand bundles 101 from falling off during the traction process.

[0033] At the same time, after each positioning piece 1015 is removed from the corresponding exposed portion 1013, the steel strand group 10 and the steel bundle traction structure 20 can be easily disassembled.

[0034] In order to optimize the installation method of the cylindrical traction seat 201 and the sleeve 205, in this embodiment, further, an inner thread portion 206 is provided on the inner cavity side wall of the sleeve 205, and the sleeve 205 can be threadedly installed on the cylindrical traction seat 201 through the thread matching between the inner thread portion 206 and the outer thread portion 204, and after installation, the bottom end of the sleeve 205 can abut against the top end of the annular flange 203; Therefore, the sleeve 205 can be installed or removed from the cylindrical traction seat 201 through the threaded fit between the internal threaded portion 206 and the external threaded portion 204 .

[0035] At the same time, each exposed portion 1013 can be located within the cavity of the sleeve 205; In order to facilitate the connection between the steel bundle traction structure 20 and the external traction rope, in the present embodiment, further, a traction head 207 is integrally formed at one end of the top of the sleeve 205, and the traction head 207 has a traction hole. Specifically, the external traction rope (not shown in the figure) is inserted from the other side of the bridge channel. After passing through, the free end of the traction rope is bolted and fixed to the traction hole on the traction head 207. The external traction rope is connected to a winch (not shown in the figure) on the other side. The winch winds up the traction rope to pull the steel bundle traction structure 20 into the bridge channel. When the steel bundle traction structure 20 is pulled, the steel strand group 10 is also pulled by the steel bundle traction structure 20 at the same time, and the steel strand threading mechanism 30 can assist in the traction of the steel bundle traction structure 20.

[0036] Embodiment 3 like Figure 1-15 As shown, based on the second embodiment, the following improvements are made: In order to reduce the resistance of the steel bundle traction structure 20 after it penetrates into the bridge hole, in the present embodiment, a ball guide component is further installed on the sleeve 205. The ball guide component enables the steel bundle traction structure 20 to roll in contact with the inner wall of the hole when it penetrates into the bridge hole, thereby reducing the resistance of the steel bundle traction structure 20 entering the bridge hole.

[0037] In order to optimize the specific structure of the ball guide component, in the present embodiment, further, the ball guide component includes a plurality of balls 208, and the plurality of balls 208 are circumferentially distributed on the outer side wall of the sleeve 205, and a ball bracket 209 is movably mounted on each ball 208, and the bottom end of each ball bracket 209 is fixedly mounted on the side wall of the sleeve 205. After the steel bundle traction structure 20 is pulled into the bridge channel, the annularly distributed balls 208 will directly roll in contact with the inner wall of the channel. This contact mode will prevent the outer wall of the steel bundle traction structure 20 from directly rubbing and sliding with the inner wall of the channel, thereby reducing resistance, so that the steel bundle traction structure 20 can be more efficient in threading the bundle after pulling the steel strand group 10 into the bridge channel.

[0038] Embodiment 4 like Figure 1-15 As shown, based on the first embodiment, the following improvements are made: In order to optimize the specific structure of the steel strand bundle threading mechanism 30, in the present embodiment, further, the steel strand bundle threading mechanism 30 includes a lower base 301 and an upper base 302, the upper base 302 is arranged above the lower base 301, the lower base 301 is equipped with a lower rolling conveying structure, the upper base 302 is equipped with an upper rolling conveying structure, the lower base 301 is equipped with a driving structure, the driving structure is connected to the upper rolling conveying structure, and drives the rotation of the upper rolling conveying structure; In order to enable the steel strand group 10 to be installed on the upper rolling conveying structure and the lower rolling conveying structure, in the present embodiment, further, the steel strand group 10 is clamped and installed between the lower rolling conveying structure and the upper rolling conveying structure, and when the driving structure drives the upper rolling conveying structure, the steel strand group 10 can be transported as a whole.

[0039] In order to optimize the upper rolling conveying structure and the lower rolling conveying structure, in this embodiment, further, both sides of the lower base 301 are provided with a lower shaft hole upper shaft rod inner driven pulley 3011, and both sides of the upper base 302 are provided with an upper shaft hole 3021; The lower rolling conveying structure includes two lower shafts 305, which are respectively rotatably mounted in the driven pulleys 3011 in the corresponding lower shaft holes. One end of the two lower shafts 305 is fixedly mounted with a lower conveying wheel 306, and a lower shaft inner limiting ring 307 is fixedly mounted between the lower conveying wheel 306 and the lower shaft 305. The two lower shafts 305 are fixedly mounted with a lower shaft outer limiting ring 308 at one end away from the lower shaft inner limiting ring 307. Wherein, the two lower conveying wheels 306 are both provided with a first wheel groove 3061; The upper rolling conveying structure includes two upper shafts 309, which are rotatably mounted in corresponding upper shaft holes 3021, and upper conveying wheels 3010 are fixedly mounted on one end of the two upper shafts 309. A driven pulley 3011 in the upper shaft of the lower shaft hole is fixedly mounted between the upper conveying wheels 3010 and the upper shafts 309, and an upper shaft outer limiting ring 3012 is fixedly mounted on the end of the two upper shafts 309 away from the upper conveying wheels 3010. Wherein, the two upper conveying wheels 3010 are both provided with a second wheel groove 30101; A conveying channel for facilitating the installation of the steel strand group 10 can be formed between the two first wheel grooves 3061 and the second wheel grooves 30101, and the steel strand group 10 is in the conveying channel during transportation; In order to optimize the specific structure between the driving structure and the upper rolling conveying structure and the matching relationship between the two, in the present embodiment, the driving structure further includes a motor 303, the motor 303 is fixedly mounted on the top of the upper base 302, a driving pulley 304 is fixedly mounted on the output shaft of the motor 303, a transmission belt 3013 is sleeved and mounted between the driving pulley 304 and the driven pulley 3011 in the upper shaft rod of the two lower shaft holes, the motor 303 can drive the rotation of the driving pulley 304 through its output shaft, the driving pulley 304 can synchronously drive the rotation of the two upper conveying wheels 3010 through the transmission belt 3013, and the steel strand group 10 is in the conveying channel formed between the first wheel groove 3061 and the second wheel groove 30101, when the two upper conveying wheels 3010 rotate at the same time, the steel strand group 10 in the conveying channel can be stably conveyed as a whole into the bridge channel.

[0040] In order to facilitate the installation of the steel strand group 10, in this embodiment, further, the two lower conveying wheels 306 and the two upper conveying wheels 3010 are all in the same vertical plane.

[0041] In order to facilitate the installation of the transmission belt 3013, in this embodiment, further, the driving pulley 304 and the driven pulley 3011 in the upper shaft rod of the two lower shaft holes are all in the same vertical plane.

[0042] Embodiment 5 like Figure 1-15 As shown, it is improved on the basis of the fourth embodiment: In order to enable the lower base 301 and the upper base 302 to be combined and fixed, and at the same time, to enable the upper rolling conveying structure and the lower rolling conveying structure to be adjusted according to the outer diameter of the steel strand group 10 and to adapt thereto, in the present embodiment, further, four groups of adjustable support structures are installed on the lower base 301 and the upper base 302, two groups of adjustable support structures are respectively installed at the two ends of one side of the lower base 301 and the upper base 302, and the other two groups of adjustable support structures are respectively installed at the two ends of the other side of the lower base 301 and the upper base 302.

[0043] In this embodiment, four groups of adjustable support structures can freely adjust the distance between the lower base 301 and the upper base 302, and the upper rolling conveying structure and the lower rolling conveying structure can be adjusted synchronously with the adjustment of the lower base 301 and the upper base 302, so that the distance between the upper rolling conveying structure and the lower rolling conveying structure can adapt to steel strand groups 10 with different outer diameters.

[0044] In order to optimize the specific structure of each set of adjustable support structures, in this embodiment, further, each set of adjustable support structures includes a support rod 3014 and a U-shaped sleeve 3015, each support rod 3014 is in an inverted T shape, and one end of the bottom of each support rod 3014 is fixedly mounted on the side wall of the lower base 301; Each U-shaped ferrule 3015 is sleeved and mounted on the corresponding support rod 3014, and one end of the bottom of each U-shaped ferrule 3015 is fixedly mounted on the side wall of the upper base 302, and the U-shaped ferrule 3015 can slide on the support rod 3014; A nut 3016 is fixedly mounted on the outer wall of each U-shaped ferrule 3015, the inner cavity of each nut 3016 is connected to the inner cavity of the U-shaped ferrule 3015, and a positioning bolt 3017 is threadedly mounted on each nut 3016; Each positioning bolt 3017 can clamp and fix the support rod 3014 when tightened, so as to adjust the distance between the upper rolling conveying structure and the lower rolling conveying structure.

[0045] Embodiment 6 like Figure 1-15 As shown, it is improved on the basis of Example 5: In order to facilitate the installation and fixation of the steel strand threading mechanism 30 on the side wall of the bridge, in the present embodiment, further, a first fixing method is provided: an L-shaped bracket 3018 is fixedly installed on the side wall of the lower base 301 and between the two support rods 3014, a suspension plate 3019 is fixedly installed on the side wall of the L-shaped bracket 3018, a plurality of countersunk assembly holes 3020 are provided in a matrix on the suspension plate 3019, the L-shaped bracket 3018 is used to fix the suspension plate 3019, the suspension plate 3019 is used to be fitted on the side wall of the bridge, each countersunk bolt is installed in a corresponding countersunk assembly hole 3020, and each countersunk bolt can also be inserted into the side wall of the bridge after being inserted into the corresponding countersunk assembly hole 3020, so as to fasten the suspension plate 3019 to the side wall of the bridge.

[0046] In order to facilitate the installation and fixation of the steel strand threading mechanism 30 to the side wall of the bridge, in this embodiment, further, a second fixing method is provided: further, a C-shaped hanging ring 3022 is fixedly installed at the top center of the upper base 302 .

[0047] In this embodiment, the suspension rope of the suspension machine can be bolted and fixed on the C-shaped hanging ring 3022, and the steel strand threading mechanism 30 can be set on one side of the bridge channel in a suspended installation manner.

[0048] In summary, the workflow of the present invention is: like Figure 1-15 As shown, after the steel strand pulling structure 20 is installed at one end of the steel strand group 10, it is used to pull the steel strand group 10, and the steel strand bundle passing mechanism 30 can be installed on any side of the bridge. After the steel strand bundle passing mechanism 30 is installed on the side wall of the bridge, the steel strand group 10 can pass through the steel strand bundle passing mechanism 30, and the steel strand group 10 can be stably passed into the channel of the bridge through the steel strand bundle passing mechanism 30; Therefore, the steel strand pulling structure 20 can simultaneously fix multiple groups of steel strand bundles 101 together, so as to solve the problem in the prior art that it is difficult to simultaneously thread and pull multiple steel strands. When multiple groups of steel strand bundles 101 are fixed together by the steel strand traction structure 20, and the steel strand traction structure 20 is able to pull the steel strand group 10 into the tunnel of the bridge, and the steel strand threading mechanism 30 is able to assist the steel strand traction structure 20, and the steel strand threading mechanism 30 is able to cooperate with the steel strand traction structure 20, the steel strand group 10 can be stably transported as a whole into the tunnel of the bridge, and under the traction and fixing action of the steel strand traction structure 20 on the steel strand group 10, it is also possible to avoid entanglement of each group of steel strand bundles 101 when threading the bundle in the tunnel, and it is also possible to avoid the problem of uneven tensile stress of each group of steel strand bundles 101.

[0049] The above different embodiments can be combined, replaced and used in conjunction with each other.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for integrally threading steel strands, characterized in that: include: A steel strand group (10), the steel strand group (10) being composed of a plurality of groups of steel strand bundles (101), the plurality of groups of steel strand bundles (101) being distributed in a ring shape; A steel bundle traction structure (20), wherein the steel bundle traction structure (20) is detachably mounted on one end of the steel strand group (10), and the steel bundle traction structure (20) is capable of pulling the steel strand group (10); A steel strand bundle threading mechanism (30), wherein the steel strand bundle threading mechanism (30) is installed on a steel strand group (10) and is used to transport the steel strand group (10) as a whole.

2. The device for integrally threading steel strands according to claim 1 is characterized in that: Each group of the steel strand bundles (101) is composed of a steel core (1011) and a plurality of steel wires (1012), wherein the plurality of steel wires (1012) are twisted and installed on the steel core (1011); One end of each of the steel cores (1011) has an exposed portion (1013), and an outer end of each of the exposed portions (1013) is provided with a positioning groove (1014); The steel bundle traction structure (20) comprises a cylindrical traction seat (201) and a sleeve (205) mounted on the cylindrical traction seat (201); The cylindrical traction seat (201) is provided with a plurality of insertion holes (202), and the plurality of insertion holes (202) are distributed in a circular pattern on the edge of the cylindrical traction seat (201); One end of the bottom of the cylindrical traction seat (201) is provided with an annular flange (203), and the side wall of the cylindrical traction seat (201) is provided with an external threaded portion (204); Each of the exposed portions (1013) can be plugged into a corresponding plug hole (202), and after plugging, each of the positioning grooves (1014) is exposed outwardly, and a positioning piece (1015) is plugged into each of the positioning grooves (1014), and each of the positioning pieces (1015) is used to position and fix the corresponding exposed portion (1013); The inner cavity side wall of the sleeve (205) is provided with an internal thread portion (206), and the sleeve (205) can be threadably mounted on the cylindrical traction seat (201) through the threaded matching between the internal thread portion (206) and the external thread portion (204), and after installation, the bottom end of the sleeve (205) can abut against the top end of the annular flange (203); Each of the exposed portions (1013) can be located in the cavity of the sleeve (205); A traction head (207) is also integrally formed at one end of the top of the sleeve (205), and the traction head (207) has a traction hole.

3. The device for integrally threading steel strands according to claim 2, characterized in that: A ball guide component is also installed on the sleeve (205).

4. The device for integrally threading steel strands according to claim 3 is characterized in that: The ball guide component comprises a plurality of balls (208), the plurality of balls (208) being circumferentially distributed on the outside of the side wall of the sleeve (205), each of the balls (208) being movably mounted with a ball bracket (209), and a bottom end of each of the ball brackets (209) being fixedly mounted on the side wall of the sleeve (205).

5. The device for integrally threading steel strands according to claim 1, characterized in that: The steel strand threading mechanism (30) comprises a lower base (301) and an upper base (302), wherein the upper base (302) is arranged above the lower base (301), a lower rolling conveying structure is mounted on the lower base (301), an upper rolling conveying structure is mounted on the upper base (302), and a driving structure is mounted on the lower base (301), wherein the driving structure is connected to the upper rolling conveying structure and drives the upper rolling conveying structure to rotate; The steel strand group (10) is clamped and installed between a lower rolling conveying structure and an upper rolling conveying structure, and when the driving structure drives the upper rolling conveying structure, the steel strand group (10) can be transported as a whole.

6. The device for integrally threading steel strands according to claim 5, characterized in that: Both sides of the lower base (301) are provided with a lower shaft hole and a driven pulley (3011) in the upper shaft rod, and both sides of the upper base (302) are provided with an upper shaft hole (3021); The lower rolling conveying structure comprises two lower shafts (305), the two lower shafts (305) are respectively rotatably mounted in the driven pulleys (3011) in the corresponding lower shaft holes, one end of the two lower shafts (305) is fixedly mounted with a lower conveying wheel (306), a lower shaft inner limiting ring (307) is fixedly mounted between the lower conveying wheel (306) and the lower shaft (305), and a lower shaft outer limiting ring (308) is fixedly mounted at one end of the two lower shafts (305) away from the lower shaft inner limiting ring (307); Wherein, the two lower conveying wheels (306) are both provided with a first wheel groove (3061); The upper rolling conveying structure comprises two upper shaft rods (309), the two upper shaft rods (309) are respectively rotatably mounted in corresponding upper shaft holes (3021), one end of the two upper shaft rods (309) is fixedly mounted with an upper conveying wheel (3010), a driven pulley (3011) in the upper shaft rod of the lower shaft hole is fixedly mounted between the upper conveying wheel (3010) and the upper shaft rod (309), and an upper shaft rod outer limiting ring (3012) is fixedly mounted at one end of the two upper shaft rods (309) away from the upper conveying wheel (3010); Wherein, the two upper conveying wheels (3010) are both provided with a second wheel groove (30101); A conveying channel that is convenient for installing the steel strand group (10) can be formed between the two first wheel grooves (3061) and the second wheel grooves (30101), and the steel strand group (10) is located in the conveying channel during transportation; The driving structure comprises a motor (303), wherein the motor (303) is fixedly mounted on the top of the upper base (302), a driving pulley (304) is fixedly mounted on the output shaft of the motor (303), and a transmission belt (3013) is sleeved and mounted between the driving pulley (304) and a driven pulley (3011) in the upper shaft rods of the two lower shaft holes.

7. The device for integrally bundling steel strands according to claim 6, characterized in that: The two lower conveying wheels (306) and the two upper conveying wheels (3010) are all located on the same vertical plane; The driving pulley (304) and the driven pulley (3011) in the two lower shaft holes and upper shaft rods are all located in the same vertical plane.

8. The device for integrally threading steel strands according to claim 5, characterized in that: Four groups of adjustable support structures are installed on the lower base (301) and the upper base (302), two of which are installed at two ends of one side of the lower base (301) and the upper base (302), and the other two groups of adjustable support structures are installed at two ends of the other side of the lower base (301) and the upper base (302).

9. The device for integrally threading steel strands according to claim 8, characterized in that: Each set of the adjustable support structures comprises a support rod (3014) and a U-shaped ferrule (3015); each of the support rods (3014) is in an inverted T shape, and one end of the bottom of each of the support rods (3014) is fixedly mounted on the side wall of the lower base (301); Each of the U-shaped ferrules (3015) is sleeved and mounted on a corresponding support rod (3014), and one end of the bottom of each of the U-shaped ferrules (3015) is fixedly mounted on a side wall of the upper base (302), and the U-shaped ferrule (3015) is capable of sliding on the support rod (3014); A nut (3016) is fixedly mounted on the outer wall of each U-shaped ferrule (3015), the inner cavity of each nut (3016) is connected to the inner cavity of the U-shaped ferrule (3015), and a positioning bolt (3017) is threadedly mounted on each nut (3016); Each positioning bolt (3017) is capable of clamping and fixing the support rod (3014) when tightened.

10. The device for integrally threading steel strands according to claim 9, characterized in that: An L-shaped bracket (3018) is fixedly mounted on the side wall of the lower base (301) between the two support rods (3014), a hanging plate (3019) is fixedly mounted on the side wall of the L-shaped bracket (3018), and a plurality of countersunk assembly holes (3020) are provided in a matrix on the hanging plate (3019); A C-shaped hanging ring (3022) is fixedly mounted at the top center of the upper base (302).