Prestressed steel strand stranding device
By designing a prestressed steel stranded wire device including base, wire wheel, stranded wire equipment and U-shaped guide frame, the problem of poor wire guide stability in the prior art is solved, and the stability of the steel wire in the conveying process is achieved Improvement of sexual and stranding effects.
Patent Information
- Application Number
- CN202421177985.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing prestressed steel stranded wire device has poor guidance stability for prestressed steel strands during use, resulting in the steel wire being easily shaken and bumped during the conveying process, affecting the stranding effect.
A prestressed steel stranded wire device is designed, including a base, a lug, a wire stranded device and a U-shaped guide frame. Through the design of the I-shaped cross-section and wire trough of the lug, the wire collision and entanglement are avoided; The elastic plate and ball structure stabilize the position of the steel wire and reduce wear; the motor-driven wire conveyor realizes smooth conveying and tensioning of the steel wire.
It effectively avoids shaking and collision of steel wire during the conveying process, improves the guide stability and twisting effect of the stranded wire device on the steel wire, reduces wear between the steel wire and the device components, and ensures smooth conveying.
Smart Images
Figure CN222455656U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel strand production, in particular to a prestressed steel strand twisting device. Background Art
[0002] Prestressed steel strand is a type of twisted steel cable composed of 2, 3, 7 or 19 high-strength steel wires. According to the surface morphology, it can be divided into: smooth steel strand, notched steel strand, die-drawn steel strand, galvanized prestressed steel strand, etc. Due to its high strength and excellent relaxation performance, it is widely used in concrete engineering, mine tunnels and other construction fields.
[0003] Currently, common prestressed steel strands are mainly processed and produced by steps such as pickling, flushing, stranding, wire drawing and inspection. In the production process, corresponding stranding devices are required to strand the prestressed steel strands.
[0004] A general wire stranding device is mainly composed of an auger mechanism, a guide die mechanism, a drive mechanism and a control system. During use, the operation of the auger mechanism is controlled by the drive mechanism, and multiple groups of steel wires are twisted through the cooperation of the auger mechanism and the guide die mechanism.
[0005] The existing prestressed steel strand twisting device mainly uses a guide mold mechanism to guide and limit the prestressed steel strand. During actual use, the stability of supporting and guiding the prestressed steel strand is poor, which reduces the stability of the prestressed steel strand twisting device in guiding and conveying the prestressed steel strand. In addition, during the transportation of multiple steel wires, the steel wires have poor stability and are prone to shaking, resulting in unexpected situations such as collisions between the multiple steel wires. Based on this, the present application proposes a prestressed steel strand twisting device to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a prestressed steel strand stranding device, which effectively solves the deficiencies of the prior art.
[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a prestressed steel strand stranding device, including a base, on which a wire wheel, a stranding device and a U-shaped guide frame are installed, the center lines of the three are colinear, and the stranding device is located between the other two, the cross-sectional shape of the wire wheel is I-shaped, and a plurality of circular array wire grooves are provided on both sides of the outside of the wire wheel, and a first ball groove is provided in the middle position of the bottom wall of the plurality of wire grooves, and a first ball is rotatably installed inside the grooves, and a spring pressure plate is installed above the inside of the plurality of wire grooves, and a plurality of uniformly arrayed second balls are rotatably installed on the spring pressure plate, and a conveyor belt frame that can reciprocate up and down is installed above the inside of the U-shaped guide frame, and a conveyor belt is installed inside the U-shaped guide frame, and a plurality of third balls are rotatably installed below the inside of the U-shaped guide frame.
[0008] Preferably, any of the above schemes has a plurality of fixed plates in a circular array installed in the middle position of the wire wheel, a motor is installed on one side of the outside of each of the plurality of fixed plates, a wire feeding wheel is installed at the output end thereof, and the positions of the plurality of wire feeding wheels respectively correspond to the positions of the plurality of wire slots.
[0009] Preferably, any of the above schemes is that a card slot is opened on the upper part of the inside of the plurality of wire placement grooves, one end of the outside of the plurality of spring pressure plates is respectively clamped in the card slot, the plurality of spring pressure plates are bent in a Z shape, a second ball slot is opened on the plurality of spring pressure plates, and the plurality of second balls are respectively rotatably installed in the plurality of second ball slots. By using this scheme, the spring pressure plate can be easily installed and disassembled, and the spring pressure plate can press the position of the steel wire to prevent it from jumping up and down.
[0010] Preferably, any of the above schemes is provided with a plurality of vertically upward threaded rods on one side of the top surface of the base, which penetrate the U-shaped guide frame and are threadedly matched with each other. By using this scheme, the U-shaped guide frame can be easily installed and disassembled.
[0011] Preferably, any of the above schemes is that cylinders are installed on both sides above the U-shaped guide frame, and a fixed frame is installed above the conveyor belt frame, which is respectively installed together with the output ends of multiple cylinders.
[0012] Preferably, any of the above schemes is that a plurality of third ball grooves in a uniform array are opened at the lower part of the interior of the U-shaped guide frame, and the plurality of third balls are rotatably installed in the plurality of third ball grooves respectively.
[0013] The utility model has the following advantages:
[0014] The prestressed steel strand twisting device uses a base as the device body, on which a wire arrangement component, a wire twisting device and a conductor component are installed. The three are arranged in a colinear manner, and multiple steel wires are arranged in a circular array on the wire arrangement component to avoid collision or entanglement between the multiple steel wires. The multiple steel wires pass through the wire twisting device for twisting, and the finished steel strands pass through the conductor component, which limits and transports the steel strands, making it convenient for later work such as winding up the steel strands.
[0015] Among them, the wire arrangement component uses a wire wheel as the main body of the device, and its cross-sectional shape is I-shaped. A plurality of circular array wire grooves are opened on both sides of the outside of the wire wheel. Multiple steel wires are placed therein to separate the multiple steel wires to avoid collision or entanglement. A first ball is rotatably installed at the bottom of the multiple wire grooves, and a spring pressure plate is installed at the top of the multiple wire grooves, on which a plurality of second balls are rotatably installed. The spring pressure plate can press the position of the steel wire to prevent it from jumping up and down. After the two groups of balls come into contact with it, the wear between the steel wire and various components can be reduced to ensure smooth transportation.
[0016] Among them, multiple fixed plates are installed in the middle position of the wire wheel, and multiple wire feeding wheels driven by motors are installed on them. The steel wire is wound around the wire feeding wheels, which can drive the steel wire to move forward. The wire feeding wheels can also tension the steel wire to improve the stranding effect.
[0017] Among them, the conductor component is composed of a U-shaped guide frame as the main body, and a conveyor belt frame that can reciprocate up and down is installed inside the U-shaped guide frame. A conveyor belt is installed inside the conveyor belt. The conveyor belt is in contact with the steel strand and can send out the steel strand. A plurality of groups of evenly arrayed balls are installed below the inner wall of the U-shaped guide frame, which can reduce the wear between the steel strand and the U-shaped guide frame, so that the steel strand can be sent out smoothly. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 For the utility model Figure 1 Schematic diagram of the internal structure;
[0020] Figure 3 It is a structural schematic diagram of the combined state of the base, the wire wheel and the U-shaped guide frame in the utility model;
[0021] Figure 4 For the utility model Figure 3 Schematic diagram of the internal structure;
[0022] Figure 5 It is a structural schematic diagram of the spring pressure plate in the utility model.
[0023] In the figure: 1-base, 2-wire wheel, 3-twisting equipment, 4-U-shaped guide frame, 5-spring pressure plate, 6-motor, 7-wire feeding wheel, 8-threaded rod, 9-cylinder, 10-conveyor belt frame, 11-fixed frame, 12-third ball, 13-conveyor belt, 14-first ball, 15-wire groove, 16-card groove, 17-fixed plate, 18-first ball groove, 19-third ball groove, 20-second ball, 21-second ball groove. DETAILED DESCRIPTION
[0024] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0025] like Figures 1 to 5As shown, a prestressed steel strand stranding device comprises a base 1, on which a wire wheel 2, a wire stranding device 3 and a U-shaped guide frame 4 are installed, the center lines of the three are colinear, and the wire stranding device 3 is located between the other two, the cross-sectional shape of the wire wheel 2 is an I-shaped, and a plurality of circular array wire placement grooves 15 are provided on both sides of the outside of the wire wheel 2, and a first ball groove 18 is provided in the middle of the bottom wall of the plurality of wire placement grooves 15, and a first ball 14 is rotatably installed inside the plurality of wire placement grooves 15, and a spring pressure plate 5 is installed above the inside of the plurality of wire placement grooves 15, and a plurality of uniformly arrayed second balls 20 are rotatably installed thereon, a conveyor belt frame 10 which can reciprocate up and down is installed above the inside of the U-shaped guide frame 4, and a conveyor belt 13 is installed inside the U-shaped guide frame 4, and a plurality of third balls 12 are rotatably installed below the inside.
[0026] A plurality of fixed plates 17 in a circular array are installed in the middle position of the wire wheel 2, and a motor 6 is installed on one side of the outside of the plurality of fixed plates 17, and a wire feeding wheel 7 is installed at the output end thereof. The positions of the plurality of wire feeding wheels 7 correspond to the positions of the plurality of wire grooves 15 respectively. As an optional technical solution of the utility model, the wire feeding wheel 7 can be rotated to drive the steel wire to move forward, and the motor 6 can adopt a micro motor to reduce the space occupied by each component.
[0027] A card slot 16 is provided on the upper part of the inside of the multiple wire grooves 15, and one end of the outer side of the multiple spring plates 5 is respectively clamped in the card slot 16. The multiple spring plates 5 are bent in a Z shape, and a second ball groove 21 is provided on the multiple spring plates 5. The multiple second balls 20 are respectively rotatably installed in the multiple second ball grooves 21. As an optional technical solution of the utility model, the size of the spring plate 5 is adapted to the size of the card slot 16 to achieve the purpose of firmly clamping the spring plate 5.
[0028] A plurality of vertically upward threaded rods 8 are installed on one side of the top surface of the base 1, which penetrate the U-shaped guide frame 4 and are threadedly matched with each other. As an optional technical solution of the utility model, the threaded rods 8 are rotatably matched with the base 1, and the U-shaped guide frame 4 can be installed and disassembled by rotating the threaded rods 8.
[0029] Cylinders 9 are installed on both sides above the U-shaped guide frame 4, and a fixed frame 11 is installed above the conveyor belt frame 10, which are respectively installed together with the output ends of multiple cylinders 9. As an optional technical solution of the utility model, in actual use, the cylinder 9 can be replaced with a telescopic component such as a telescopic motor to realize the up and down movement of the conveyor belt frame 10.
[0030] A plurality of third ball grooves 19 in a uniform array are formed at the lower portion of the U-shaped guide frame 4 , and a plurality of third balls 12 are rotatably mounted in the plurality of third ball grooves 19 .
[0031] The features, assembly methods, use processes and functions realized by each component in the utility model are as follows: a base 1 is used as the main body of the device, and a wire arrangement component, a wire twisting device 3 and a conductor component are installed on the base 1. The three are arranged in a colinear manner, and multiple steel wires are arranged in a circular array on the wire arrangement component to avoid collision or entanglement between the multiple steel wires. Multiple steel wires pass through the wire twisting device 3 for twisting, and the completed steel strands pass through the conductor component, which limits and transports the steel strands, so as to facilitate the subsequent winding of the steel strands. The wire arrangement component uses a wire wheel 2 as the main body of the device, and its cross-sectional shape is I-shaped. Multiple wire placement grooves 15 in a circular array are provided on both sides of the outside of the wire wheel 2. Multiple steel wires are placed therein to separate the multiple steel wires to avoid collision or entanglement. A first ball 14 is rotatably installed at the bottom of the multiple wire placement grooves 15, and a spring is installed at the top of the multiple wire placement grooves 15. The pressure plate 5 has a plurality of second balls 20 rotatably mounted thereon. The spring plate 5 can press the position of the steel wire to prevent it from jumping up and down. After the two groups of balls come into contact with it, the wear between the steel wire and various components can be reduced, ensuring smooth transportation. A plurality of fixed plates 17 are installed in the middle position of the wire wheel 2, on which a plurality of wire feeding wheels 7 driven by a motor 6 for rotation are installed. The steel wire is wound around the wire feeding wheel 7, which can drive the steel wire to move forward, and the wire feeding wheel 7 can also tension the steel wire to improve the wire stranding effect. The wire component is mainly composed of a U-shaped guide frame 4, and a conveyor belt frame 10 that can reciprocate up and down is installed inside the U-shaped guide frame 4, and a conveyor belt 13 is installed inside it. The conveyor belt 13 contacts with the steel strand and can send out the steel strand, and a plurality of groups of uniformly arrayed balls 12 are installed below the inner wall of the U-shaped guide frame 4, which can reduce the wear between the steel strand and the U-shaped guide frame 4, so that the steel strand can be smoothly sent out.
[0032] 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 prestressed steel strand stranding device, characterized in that: The invention comprises a base (1), on which a wire wheel (2), a wire twisting device (3) and a U-shaped guide frame (4) are installed, the center lines of the three are colinear, and the wire twisting device (3) is located between the other two, the cross-sectional shape of the wire wheel (2) is an I-shaped, and a plurality of wire placement grooves (15) in a circumferential array are provided on both sides of the outside of the wire wheel (2), and a first ball groove (18) is provided in the middle of the bottom wall of the plurality of wire placement grooves (15), and a first ball (14) is rotatably installed inside the plurality of wire placement grooves (15), and a spring pressure plate (5) is installed above the inside of the plurality of wire placement grooves (15), and a plurality of second ball (20) in a uniform array is rotatably installed on the spring pressure plate, and a conveyor belt frame (10) capable of reciprocating up and down is installed above the inside of the U-shaped guide frame (4), and a conveyor belt (13) is installed inside the conveyor belt, and a plurality of third ball (12) is rotatably installed below the inside of the U-shaped guide frame (4).
2. A prestressed steel strand stranding device according to claim 1, characterized in that: A plurality of fixing plates (17) in a circumferential array are installed in the middle of the wire wheel (2), a motor (6) is installed on one side outside the plurality of fixing plates (17), and a wire feeding wheel (7) is installed at the output end thereof, and the positions of the plurality of wire feeding wheels (7) respectively correspond to the positions of the plurality of wire placement grooves (15).
3. A prestressed steel strand stranding device according to claim 2, characterized in that: A clamping groove (16) is provided on the upper part of the interior of the plurality of wire placement grooves (15), one end of the exterior of the plurality of spring-pressure plates (5) is respectively clamped in the clamping groove (16), the plurality of spring-pressure plates (5) are bent in a Z shape, a second ball groove (21) is provided on the plurality of spring-pressure plates (5), and the plurality of second balls (20) are respectively rotatably installed in the plurality of second ball grooves (21).
4. A prestressed steel strand stranding device according to claim 3, characterized in that: A plurality of vertically upward threaded rods (8) are installed on one side of the top surface of the base (1), which penetrate the U-shaped guide frame (4) and are threadably matched.
5. A prestressed steel strand stranding device according to claim 4, characterized in that: Cylinders (9) are installed on both sides above the U-shaped guide frame (4), and a fixing frame (11) is installed above the conveyor belt frame (10), which is respectively installed together with the output ends of the multiple cylinders (9).
6. A prestressed steel strand stranding device according to claim 5, characterized in that: A plurality of third ball grooves (19) in a uniform array are provided at the lower part of the interior of the U-shaped guide frame (4), and a plurality of third rolling balls (12) are rotatably mounted in the plurality of third ball grooves (19).