CN114425587A - An automatic straightening method for a single line of a load-bearing cable - Google Patents

Abstract

The invention relates to a method for automatically straightening a single carrier cable wire, which comprises the following steps: the screw handle is manually adjusted to lift the compaction wheel; confirming the diameter of the spiral single line, and introducing the spiral single line to the lower part of the compaction wheel through a graphite horn die hole with a corresponding diameter; the screw handle is manually adjusted again to enable the compaction wheel to descend and tightly press the head of the spiral single line, and the spring plays a buffering role; thereby the alignment guide pulley drives spiral single line along long straight hole groove rearward movement under the motor drive, and the spiral single line effectively carries out single line helix curvature alignment conveniently through each alignment guide pulley, the guide way of the direction sizing that sets up. According to the invention, the guide wheel is matched with the compaction wheel to pull the spiral single wire to move backwards along the long straight hole groove, the spiral single wire effectively and conveniently carries out single wire spiral curvature alignment through the alignment guide wheels and the guide grooves which are arranged for guiding and sizing, the graphite material has good lubricity, and the friction between the spiral single wire and the graphite horn die hole effectively avoids the surface scratch of the single wire after alignment.

Description

A kind of automatic straightening method of single line of load-bearing cable

technical field

The invention relates to the technical field of single wire straightening of load-bearing cables of high-speed railway catenary, in particular to an automatic straightening method of single wires of load-bearing cables.

Background technique

The load-bearing cable of the electrified railway catenary is mainly made of copper-magnesium alloy single wire, single core and multi-layer twisting. The bearing cable should be able to withstand greater tensile strength, with strong corrosion resistance, thermal conductivity, non-ferromagnetic, and higher electrical conductivity.

At present, the bearing cable specifications 120-1*19/2.8, 95-1*19/2.5, 70-1*19/2.1 bearing cable are widely used. The single-wire straight lines are: 2.8mm, 2.5mm, and 2.1mm. In order to ensure the quality of the product, it is necessary to perform performance testing on the single-wire after each reel of finished load-bearing cables is twisted. Test methods and other industry standards require that each single wire that produces a helical curvature after twisting is straightened by the inspector's manual operation and then performs various properties. However, according to this traditional manual manual straightening of the spiral single wire, the straightness effect is not Ideal, time-consuming, labor-intensive and low-efficiency, affecting the accuracy of product data, large data errors, and interfering with the determination of product performance.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned deficiencies, and provide an automatic straightening method for a single wire of a load-bearing cable, which can solve the problem of low efficiency, poor straightness, unstable characteristics, time-consuming, In order to solve the problem of labor and other problems, the single wires that generate convolution after twisting can be easily and conveniently straightened, with good straightness and stability, ensuring the accuracy of the performance test data of the single wires, and finally determining the quality of the finished cable.

The object of the present invention is achieved in this way:

A single-line automatic straightening method for a load-bearing cable, comprising the following steps:

Step 1. Manually adjust the screw handle to lift the compaction wheel;

Step 2: Confirm the diameter of the spiral single wire, and introduce the spiral single wire under the compaction wheel through the graphite horn die hole of the corresponding diameter;

Step 3. Manually adjust the screw handle again to lower the compaction wheel, and compress the head of the spiral single line. The spring under the adjustment screw handle acts as a buffer to prevent the compaction wheel from falling too fast;

Step 4. The motor drives the lower straightening guide wheel to drive the spiral single line to move backward along the long straight hole groove, and the spiral single line is set to guide and sizing the straightening guide wheels and guide grooves to effectively and conveniently perform the single-line helical curvature straightening,

Step 5. The single-line straightening is completed, and the motor stops rotating.

Preferably, the compaction wheel is arranged on the straightening upper frame, the upper straightening frame is also provided with an upper guide groove and an upper straightening guide wheel, and the lower straightening guide wheel is arranged on the straightening lower frame, so The straightening lower frame is also provided with a lower guide groove and a fixing block, the lower guide groove is matched with the upper guide groove, and the upper and lower guide grooves are combined to form a long straight hole groove with a circular cross section.

Preferably, the fixing block is arranged on the front side of the straightening lower frame, the fixing block is provided with a single wire lead hole, and the entrance of the single wire lead hole is embedded with a graphite horn die hole.

Preferably, the graphite horn die hole, the single wire lead hole and the long straight hole slot are on the same axis.

Preferably, the upper straightening guide wheel and the compacting wheel are embedded in the straightening upper frame.

Preferably, the compaction wheel can be adjusted up and down, the compaction wheel is embedded in the straightening upper frame, the two ends of the compaction wheel are connected to the bottom of the adjustment frame, and the top of the adjustment frame is connected to the adjustment screw handle, A spring is arranged between the top surface of the straightening upper frame and the adjusting frame, and the spring is located just below the adjusting screw handle.

Preferably, the upper straightening guide wheel is provided with a first guide groove in the circumferential direction, and the first guide groove and the upper guide groove are on the same straight line.

Preferably, the lower straightening guide wheel is correspondingly arranged below the compaction wheel or the upper straightening guide wheel, the lower straightening guide wheel is embedded in the straightening lower frame, and the lower straightening guide wheel is circumferentially provided with a second guide groove , the graphite horn die hole, the second guide groove and the lower guide groove are on the same straight line.

Preferably, the front side of the straightening upper frame is provided with a fixed insert block, the fixed block is provided with a fixed card slot, and the fixed insert block is inserted into the fixed card slot.

Preferably, according to the different diameters of the spiral single wire, there are multiple single wire lead holes, the diameters of the multiple single wire lead holes are different, and the number of the upper guide groove, the lower guide groove, the second guide groove and the second guide groove is the same as that of the single wire lead hole. number of holes to match.

The beneficial effects of the present invention are:

The invention uses the guide wheel to cooperate with the compaction wheel to pull the helical single line to move backward along the long straight hole groove, and the spiral single line can effectively and conveniently perform the single-line helical curvature straightening through the set guide and sizing guide wheels and guide grooves. The graphite material has good lubricity. The friction between the spiral single wire and the graphite horn die hole effectively avoids the scratch on the surface after the single wire is straightened. Compared with manual alignment, it greatly saves manpower and time, has high efficiency, and has stable and accurate test data.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic diagram of the assembly of the straightening upper frame.

FIG. 3 is a schematic diagram of the assembly of the straightening lower frame.

Figure 4 is a schematic diagram of the structure of the upper straightening guide wheel (lower straightening guide wheel).

Figure 5 is a schematic diagram of the structure of the catenary bearing cable.

Figure 6 is a schematic diagram of the single wire structure after the catenary bearing cable is twisted.

Among them: straightening upper frame 1; fixed insert 1.1; straightening lower frame 2; bolt 3; upper guide groove 4; upper straightening guide wheel 5; first guide groove 5.1; 8; Adjusting screw handle 9; Spring 10; Lower guide groove 11; Lower straightening guide wheel 12; Second guide groove 12.1; Fixing block 13; Fixing slot 13.1; Button 17; speed setting digital display 18; speed control knob 19; power outlet 20.

Detailed ways

1-6, the present invention relates to a single-line automatic straightening device for a load-bearing cable, which includes a straightening upper frame and a straightening lower frame, and the straightening upper frame 1 and the straightening lower frame 2 are engaged on the front side, The rear side is connected by bolts 3. The straightening upper frame 1 is provided with a compaction system, an upper guide groove 4 and an upper straightening guide wheel 5. The upper guide groove 4 is a straight groove. The upper straightening guide pulley 5 is arranged at intervals from front to back along the traction direction of the helical single line 6. The compaction system includes an adjustment frame 7, a compaction wheel 8, an adjustment screw handle 9 and a spring 10. The compaction wheel 8 is embedded in the In the straightening upper frame 1, the bottom of the adjusting frame 7 is connected to the two ends of the compaction wheel 8, the top is connected to the adjusting screw handle 9, and the spring 10 is arranged between the top surface of the straightening upper frame 1 and the adjusting frame 7, and The spring 10 is located just below the adjusting screw handle 9 , and the upper straightening guide wheel 5 is also embedded in the straightening upper frame 1 .

The straightening lower frame 2 is provided with a lower guide groove 11, a lower straightening guide wheel 12 and a fixing block 13, the fixing block 13 is arranged on the front side of the straightening lower frame 2, and the lower guide groove 11 is connected with the upper guide. The grooves 4 are matched, and the upper and lower guide grooves 4 and 11 are combined to form a long straight hole groove with a circular cross-section. The groove is fed backwards between the upper and lower straightening guide wheels. The straightening accuracy is improved, the hole diameter of the long straight hole is matched with the corresponding spiral single line hole diameter, the fixed block 13 is provided with a single line lead hole, and the entrance of the single line lead hole is embedded with a graphite horn die hole 14. The graphite horn die hole 14 is made of high-purity anti-wear graphite material, which is convenient for the single-line 6 helical curvature (Fig. 6) to pass through the single-line lead hole after friction with graphite, so as to protect the surface of the single-line from being scratched by self-lubricating. The diameter of the small hole of the graphite horn die is the same as the diameter of the single wire lead hole.

The upper straightening guide wheel 5 is provided with a first guide groove 5.1 in the circumferential direction, the first guide groove is matched with the corresponding helical single line, and the first guide groove 5.1 and the upper guide groove 4 are on the same straight line.

The lower straightening guide wheel 12 is correspondingly arranged below the compaction wheel or the upper straightening guide wheel 5, the lower straightening guide wheel 12 is embedded in the straightening lower frame 2, and the lower straightening guide wheel 12 is circumferentially provided with a second The guide groove 12.1, the second guide groove is matched with the corresponding spiral single line, the graphite horn die hole 14, the second guide groove 12.1 and the lower guide groove 11 are on the same straight line.

The front side of the straightening upper frame 1 is provided with a fixed insert block 1.1, the fixed block 13 is provided with a fixed card slot 13.1, and the fixed insert block 1.1 is inserted into the fixed card slot 13.1.

According to the different diameters of the spiral single wire 6, there are multiple single wire lead holes, and the diameters of the plurality of single wire lead holes are different from each other. The number of the upper guide grooves 4, the lower guide grooves 11, the first guide grooves 5.1 and the second guide grooves 12.1 matches the number of single-wire lead holes.

The single-wire lead holes are provided with three diameters of 2.8mm, 2.5mm, and 2.1mm respectively, and the diameters of the single-wire lead-through holes match the single-wire diameters of the three commonly used load-bearing cables.

The compaction wheel 8 is paired with the lower straightening guide wheel 12 , and the upper straightening guide wheel 5 is paired with the lower straightening guide wheel 12 .

The straightening lower frame (Fig. 3) is also provided with an electrical control system. The electrical control system is provided with a motor 15, a stop button 16, a start button 17, a speed setting digital display 18, a speed control knob 19, and a power outlet. mouth 20.

A working method of a single-line automatic straightening device for a load-bearing cable, comprising the following steps:

Step 1. Manually adjust the screw handle 9 to lift the compaction wheel 8;

Step 2, confirm the diameter of the spiral single wire (Fig. 5, 6), and introduce the spiral single wire under the compaction wheel 8 through the graphite horn die hole 14 of the corresponding diameter;

Step 3. Manually adjust the screw handle 9 again to lower the compaction wheel 8, and compress the head of the helical single wire (Fig. 6). The spring 2 under the adjustment screw handle 1 acts as a buffer to prevent the compaction wheel 8 from falling too fast and protects the Single-line surfaces are not subject to hard damage.

Step 4. Turn on the power button 17, slow the speed adjustment button 19, and set the speed through the speed setting digital display 18 to make the single line smooth and stably straighten the line speed;

Step 5. After the single-line straightening is completed, press the stop button 16 to shut down the equipment.

It works as follows:

The straightening guide wheel is driven by the motor to drive the spiral single wire to move backward along the long straight hole groove. The straightening guide wheel and guide groove of the spiral single wire are set to guide the diameter of the straightening guide wheel and guide groove to effectively and conveniently straighten the single wire helical curvature, using graphite The material has good lubricity, and the friction between the spiral single wire and the graphite horn die hole effectively avoids the scratch on the surface after the single wire is straightened. Compared with manual alignment, it greatly saves manpower and time, has high efficiency, and has stable and accurate test data.

In addition to the above-mentioned embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present invention.

Claims (10)

1. A method for automatically straightening single carrier cable wires is characterized by comprising the following steps: the method comprises the following steps:

step one, manually adjusting a screw handle (9) to lift a compaction wheel (8);

secondly, confirming the diameter of the spiral single line, and introducing the spiral single line to the lower part of the compaction wheel (8) through a graphite horn die hole (14) with the corresponding diameter;

step three, manually adjusting the screw handle (9) again to enable the compaction wheel (8) to descend and tightly press the head of the spiral single line, and adjusting the spring (2) below the screw handle (1) to play a buffering role so as to prevent the compaction wheel (8) from descending too fast;

fourthly, the motor drives the lower straightening guide wheel to drive the spiral single wire to move backwards along the long straight hole groove, the spiral single wire effectively and conveniently straightens the spiral curvature of the single wire through the straightening guide wheels and the guide grooves which are arranged for guiding and sizing,

and step five, finishing the single wire straightening, and stopping the motor from rotating.

2. The method for automatically straightening single catenary wire according to claim 1, wherein the method comprises the following steps: the compaction wheel (8) is arranged on the straightening upper die frame (1), an upper guide groove (4) and an upper straightening guide wheel (5) are further arranged on the straightening upper die frame (1), the lower straightening guide wheel is arranged on the straightening lower die frame, a lower guide groove (11) and a fixed block (13) are further arranged on the straightening lower die frame (2), the lower guide groove (11) is matched with the upper guide groove (4), and the upper guide groove (4) and the lower guide groove (11) are combined to form a long straight hole groove with a circular cross section.

3. The method for automatically straightening single catenary wire according to claim 2, wherein the method comprises the following steps: fixed block (13) set up in the front side of alignment lower type frame (2), be equipped with the single line on fixed block (13) and draw the hole, the entry that the single line drawn the hole inlays and is equipped with graphite loudspeaker nib (14).

4. The method of claim 3 for automatically straightening single catenary wire, wherein the method comprises the following steps: the graphite horn die hole (14), the single-wire lead hole and the long straight hole groove are on the same axis.

5. The method for automatically straightening single catenary wire according to claim 2, wherein the method comprises the following steps: the upper straightening guide wheel (5) and the compaction wheel (8) are embedded in the straightening upper die frame (1).

6. The method for automatically straightening single catenary wire according to claim 1, wherein the method comprises the following steps: the compaction wheel (8) can be adjusted up and down, the compaction wheel (8) is embedded in the straightening upper die frame (1), the two ends of the compaction wheel (8) are connected with the bottom of the adjusting frame (7), the top of the adjusting frame (7) is connected with the adjusting screw handle (9), a spring (10) is arranged between the top surface of the straightening upper die frame (1) and the adjusting frame (7), and the spring (10) is located under the adjusting screw handle (9).

7. The method for automatically straightening single catenary wire according to claim 2, wherein the method comprises the following steps: the upper straightening guide wheel (5) is circumferentially provided with a first guide groove (5.1), and the first guide groove (5.1) and the upper guide groove (4) are on the same straight line.

8. The method for automatically straightening single catenary wire according to claim 2, wherein the method comprises the following steps: the lower straightening guide wheel (12) is correspondingly arranged below the compaction wheel or the upper straightening guide wheel (5), the lower straightening guide wheel (12) is embedded in the lower straightening jig (2), a second guide groove (12.1) is formed in the lower straightening guide wheel (12) in the circumferential direction, and the graphite horn die hole (14), the second guide groove (12.1) and the lower guide groove (11) are in the same straight line.

9. The method for automatically straightening single catenary wire according to claim 2, wherein the method comprises the following steps: the front side of the straightening upper frame (1) is provided with a fixed insert block (1.1), the fixed block (13) is provided with a fixed clamping groove (13.1), and the fixed insert block (1.1) is inserted into the fixed clamping groove (13.1).

10. The method for automatically straightening single catenary wire according to claim 1, wherein the method comprises the following steps: according to spiral single line (6) diameter difference, the single line draws the hole and is equipped with a plurality ofly, and the diameter diverse of a plurality of single line draw the hole goes up guide way (4), lower guide way (11), first guide way (5.1) and second guide way (12.1) quantity and the single line quantity phase-match that draws the hole.

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