Device for controlling blanking length of steel strand
By designing a device including a wire laying frame and a feeding frame, and using guide members and guide grooves to control the cutting length and cutting surface of the steel strand, the problem of not being able to effectively control the cutting length and cutting surface in the prior art is solved, and efficient and safe cutting of the steel strand is achieved.
Patent Information
- Application Number
- CN202421471251.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The prior art cannot effectively control the length of steel stranded wires, and the section is not perpendicular when cut, and the steel stranded wires are loose, which poses safety hazards for high-altitude operations.
A device including a steel stranded wire laying frame and a feeding rack is designed. The steel stranded wire is guided to the guide groove of the feeding rack through the guide member of the wire laying frame, and the length of the steel strand is controlled by a baffle, and the cross-section is ensured to be perpendicular during cutting to prevent loose wires.
Effectively control the length of steel stranded wires to ensure the vertical cutting surface, prevent the steel stranded wire from being distracted, improve the efficiency and quality of steel stranded wires, and reduce the safety risks of high-altitude operations.
Smart Images
Figure CN222647329U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a device for controlling the cutting length of steel strands. Background Art
[0002] Prestressing is a key process in box girder prefabrication, and its quality directly affects the durability and safety of box girder use. The cutting of steel strands is closely related to the amount of materials used and the quality of prestressing. Traditional steel strands are directly inserted into the beam body by a single strand through a bundle threading machine. The cutting length of the steel strands is determined based on experience. The cutting machine does not cut the steel strands at a 90° angle, and the force on the cross section of the steel strands is uneven. The cross section of the steel strands after cutting is an inclined surface, and the steel strands are scattered and uneven. It is also impossible to ensure that the cutting length of the steel strands is controlled within ±10mm. In view of the above situation, the steel strand cutting device can effectively solve the above problems and ensure the cutting quality of the steel strands. Utility Model Content
[0003] In view of the deficiencies in the above-mentioned background technology, the utility model proposes a device for controlling the cutting length of steel strands, which solves the problems in the prior art that the cutting length of steel strands cannot be controlled, the cross section is not vertical when cutting, the steel strands are loose, and there are safety hazards in using a cutting machine to cut the steel strands during high-altitude operations.
[0004] The technical solution of the utility model is achieved in this way:
[0005] A device for controlling the length of steel strand cutting includes a steel strand pay-off frame and a feeding frame. The feeding frame is arranged at the outlet of the pay-off frame. The steel strand is led out from the pay-off frame and enters the feeding frame to control the feeding length. The pay-off frame includes a frame and a guide. The frame is provided with a fastener for fastening the steel strand coil. The fastener can tighten and fix the steel strand coils of different sizes. The guide is arranged in front of the frame and provides a guide outlet for the steel strand in the pay-off frame. The guide guides the steel strand to the feeding frame.
[0006] The unloading rack includes a bracket and a guide groove. The bracket is provided with a guide groove and the guide groove is directly opposite to the guide member of the pay-off rack. The guide member guides the steel strand into the guide groove. A baffle for controlling the length of the steel strand is provided in the guide groove. The baffle blocks the steel strand from continuing to unload, and then the steel strand is cut by a cutting machine. When unloading, a steel strand protective sleeve is provided at the end of the steel strand to prevent the end of the steel strand from rubbing against the guide groove, causing loose wires and damage to the steel strand.
[0007] Furthermore, the frame is a U-shaped frame, and a fastener is provided at the opening of the upper part of the U-shaped frame, and the fastener fixes the steel strand in the pay-off frame, thereby ensuring the stability of the steel strand coiled in the pay-off frame. A detachable limiter is provided at the side opening of the U-shaped frame, and when the limiter is installed, the steel strand coil is limited to ensure the stability of the steel strand coil. When the limiter is removed, an entrance is provided for the steel strand coil, which facilitates the steel strand coil to enter the pay-off frame.
[0008] Furthermore, the fastener is a turnbuckle screw, and the fastener is arranged on the top of the frame to tighten and fix the steel strand coil in the frame. The fastener can tighten and fix steel strand coils of different sizes in the pay-off frame, so that steel strand coils of different sizes can be stably fixed in the pay-off frame.
[0009] Furthermore, the limiting member includes a limiting rod, and through holes are provided on both sides of the frame, and the limiting rod passes through the through holes to limit the coiling of the steel strand in the frame. The limiting rod is installed and removed through the through holes on both sides of the frame.
[0010] Furthermore, both ends of the limit rod are provided with external threaded parts, and nuts are provided at the through holes on both sides of the frame, and the nuts are threadably matched with the external threaded parts of the limit rod. The nuts fix the limit rod to the through holes on both sides of the frame.
[0011] Furthermore, the guide is a conical cylinder, which is fixedly connected to the front of the frame to form a steel strand guide outlet. The guide guides the steel strand in the pay-off frame into the unloading frame.
[0012] Furthermore, the guide member comprises at least two coaxially arranged circular rings of different diameters, the circular rings are connected via side rods to form a conical frame, and the conical frame is fixedly connected to the front of the frame to form a steel strand guide outlet.
[0013] Furthermore, the bracket is a folding bracket, the guide groove is formed by splicing a plurality of channel steels, and two adjacent channel steels are welded and fixed. The bracket provides support for the guide groove, is easy to use, and can be recycled.
[0014] Furthermore, grooves are provided at different positions in the guide groove, and baffles are inserted into the grooves to control the length of the steel strand. Grooves at different positions are provided according to the required length of the steel strand, and the length of the steel strand is controlled after the baffles are inserted.
[0015] Furthermore, the steel strand protective sleeve is a rubber sleeve, which is installed on the end face of the steel strand to prevent the end of the steel strand from rubbing against the guide groove, thereby preventing the steel strand from being scattered or damaged.
[0016] The beneficial effects of the utility model are:
[0017] In the utility model, the unloading rack is arranged at the outlet of the pay-off frame, so as to effectively control the unloading length of the steel strand; in the unloading frame, the steel strand is cut smoothly by the bracket and the guide groove, and the end face is vertical to prevent the steel strand from being scattered. The pay-off frame is also arranged to tighten the steel strand coil and guide it to the unloading rack, so as to stabilize the steel strand coil and ensure the stability during wire feeding. In the pay-off frame, the steel strand is introduced into the guide groove of the unloading rack by arranging a guide, so that the steel strand is stably and orderly guided into the guide groove; the limit rod is arranged to form an entrance so that the steel strand coil can be pushed into the pay-off frame from the side of the pay-off frame, which is convenient for loading and unloading the steel strand coil and is conducive to the steel strand coil entering the pay-off frame more conveniently; the steel strand coil is fixed in the pay-off frame by arranging fasteners, so as to ensure the stability of the steel strand coil in the pay-off frame. The utility model is easy to assemble, has strong practicality, is easy to disassemble, can be recycled, and greatly improves the efficiency and quality of steel strand unloading. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 It is a side view of the utility model;
[0020] Figure 2 It is a front view of the framework of the utility model;
[0021] Figure 3 This is a front view of the unloading rack of the utility model;
[0022] 1. Frame; 2. Limit rod; 3. Fastener; 4. Guide; 5. Bracket; 6. Guide groove; 7. Baffle; 8. Steel strand protective cover. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Embodiment 1, as Figure 1As shown, in this embodiment, a device for controlling the length of steel strand cutting includes a steel strand pay-off frame and a feeding frame. The feeding frame is arranged at the outlet of the pay-off frame. The steel strand is led out from the pay-off frame and enters the feeding frame to control the feeding length. The pay-off frame includes a frame 1 and a guide 4. The frame 1 is provided with a fastener 3 for fastening the steel strand coil. The fastener 3 can tighten and fix the steel strand coils of different sizes. The guide 4 is arranged in front of the frame 1 and provides a guide outlet for the steel strand in the pay-off frame. The guide 4 guides the steel strand to the feeding frame.
[0025] On the basis of the above embodiment, as a preferred embodiment, the unloading rack includes a bracket 5 and a guide groove 6, the bracket 5 is provided with a guide groove 6 and the guide groove 6 is directly opposite to the guide member 4 of the pay-off rack, and the guide member 4 guides the steel strand into the guide groove 6. A baffle 7 for controlling the length of the steel strand is provided in the guide groove 6, and the baffle 7 blocks the steel strand from continuing to unload, and then the steel strand is cut by a cutting machine. When unloading, a steel strand protective sleeve 8 is provided at the end of the steel strand to prevent the end of the steel strand from rubbing against the guide groove, causing loose wires and damage to the steel strand.
[0026] On the basis of the above-mentioned embodiment, as a preferred embodiment, the frame 1 is a U-shaped frame, which is composed of two rectangular frames welded by 80*80mm angle steels + bottom angle steel. The upper part of the two rectangular frames forms the upper opening of the frame 1, and the side of the two rectangular frames forms the side opening of the U-shaped frame. Fasteners 3 are provided on the top of the two rectangular frames, and the fasteners 3 fix the steel strands in the pay-off frame. Removable limiters are provided on the sides of the two rectangular frames. When the limiters are installed, the steel strand coil is limited. When the limiters are removed, an entrance is provided for the steel strand coil, that is, the steel strand coil can enter from the side opening, and then be limited by the limiters to prevent the steel strand coil from rolling out of the frame.
[0027] Based on the above embodiment, as a preferred embodiment, the fastener 3 is a turnbuckle screw, and the fastener 3 is arranged on the top of the frame 1 to tighten and fix the steel strand coil in the frame 1. The fastener 3 can tighten and fix steel strand coils of different sizes in the pay-off frame.
[0028] Based on the above embodiment, as a preferred embodiment, the limiting member includes a limiting rod 2, and the limiting rod 2 is C20 threaded steel. Through holes are provided on both sides of the frame 1, and the limiting rod 2 passes through the through holes to limit the steel strand coil in the frame 1. The limiting rod 2 is installed and removed through the through holes on both sides of the frame 1.
[0029] Specifically, the steel strand pay-off frame is manufactured according to the size of the steel strand coil, and the steel strand pay-off frame is welded into a whole by the steel strand guide device 4 and the frame 1. The fastener 3 firmly connects the frame 1, and the fastener 3 is tightened firmly when the steel strand is put in to prevent the steel strand coil from deforming. The limiter provides an entrance for the steel strand coil to enter from the side and prevents the steel strand coil from deviating.
[0030] On the basis of the above embodiment, as a preferred embodiment, both ends of the limit rod 2 are provided with external threaded parts, and nuts are provided at the through holes on both sides of the frame 1, and the nuts are threadedly matched with the external threaded parts of the limit rod 2. The nuts fix the limit rod 2 to the through holes on both sides of the frame 1.
[0031] Based on the above embodiment, as a preferred embodiment, the guide 4 is a conical cylinder welded from 20 threaded steel. The conical cylinder is fixedly connected to the front of the frame 1 to form a steel strand guide outlet. The guide 4 guides the steel strand in the pay-off frame into the unloading frame.
[0032] Based on the above embodiment, as a preferred embodiment, the bracket 5 is a folding bracket, and two folding brackets formed by welding C20 threaded steel are arranged at a distance of 2m, and the arrangement should be smooth and consistent with the direction of the steel strand. The guide groove 6 is spliced by a plurality of channel steels, and the adjacent two channel steels are welded and fixed to ensure linear smoothness during welding. The bracket 5 provides support for the guide groove 6, is easy to use, and can be recycled.
[0033] The method of using the utility model is as follows: the steel strand coil is pushed into the steel strand pay-off frame through the entrance composed of a nut and a limit rod 2, and the steel strand coil is fastened in the pay-off frame by a fastener 3; the steel strand passes through the guide device 4 and enters the guide groove 6 of the unloading frame, and when the end of the steel strand reaches the baffle 7, the steel strand is cut by a cutting machine, and the same process is repeated to complete the unloading of steel strands of different lengths.
[0034] Embodiment 2 is further optimized on the basis of embodiment 1, such as Figure 1 As shown, in this embodiment, the guide member 4 includes at least two coaxially arranged circular rings of different diameters, which are connected by side rods to form a conical frame, and the conical frame is fixedly connected to the front of the frame 1 to form a steel strand guide outlet.
[0035] Embodiment 3 is further optimized on the basis of embodiment 1, and the guide device 4 can be bolted to the outer surface of the frame 1, so as to be easy to disassemble and reuse.
[0036] Embodiment 4 is further optimized on the basis of embodiment 1, wherein the steel strand protective sleeve 8 is a soft rubber sleeve, which is arranged on the end face of the steel strand to prevent the end of the steel strand from rubbing against the guide groove 6, thereby causing loose threads and damage to the steel strand.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for controlling the length of steel strand cutting, characterized in that: It comprises a steel strand pay-off frame and a material unloading frame, wherein the material unloading frame is arranged at the wire outlet of the pay-off frame, the pay-off frame comprises a frame (1) and a guide (4), the frame (1) is provided with a fastener (3) for fastening the steel strand coil, and the guide (4) is arranged in front of the frame (1) and provides a guide outlet for the steel strand in the pay-off frame; The unloading frame comprises a bracket (5) and a guide groove (6); the bracket (5) is provided with a guide groove (6) and the guide groove (6) is directly opposite to the guide member (4) of the pay-off frame; a baffle (7) for controlling the length of the steel strand is provided in the guide groove (6); and a steel strand protective sleeve (8) is provided at the end of the steel strand during unloading.
2. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: The frame (1) is a U-shaped frame, a fastener (3) is provided at the opening on the upper portion of the U-shaped frame, and a detachable limiting piece is provided at the side opening of the U-shaped frame.
3. The device for controlling the cutting length of steel strands according to claim 2, characterized in that: The fastener (3) is a turnbuckle screw, and the fastener (3) is arranged on the top of the frame (1) and can tighten and fix the steel strand coil in the frame (1).
4. The device for controlling the cutting length of steel strands according to claim 2, characterized in that: The limiting member comprises a limiting rod (2), and through holes are provided on both sides of the frame (1). The limiting rod (2) penetrates the through holes to limit the coiling of the steel strands in the frame (1).
5. The device for controlling the cutting length of steel strands according to claim 4, characterized in that: External threaded portions are provided at both ends of the limiting rod (2), and nuts are provided at through holes on both sides of the frame (1), the nuts being threadably matched with the external threaded portions of the limiting rod (2).
6. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: The guide member (4) is a conical cylinder, which is fixedly connected to the front of the frame (1) to form a steel strand guide outlet.
7. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: The guide member (4) comprises at least two coaxially arranged circular rings of different diameters, the circular rings being connected via side rods to form a conical frame, and the conical frame being fixedly connected to the front of the frame (1) to form a steel strand guide outlet.
8. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: The bracket (5) is a folding bracket, and the guide groove (6) is formed by splicing a plurality of channel steels, and two adjacent channel steels are welded and fixed.
9. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: Grooves are provided at different positions in the guide groove (6), and baffles (7) are inserted into the grooves to control the length of the steel strands.
10. The device for controlling the cutting length of steel strands according to claim 1, characterized in that: The steel strand protective sleeve (8) is a rubber sleeve.