Twisting stress eliminating device with tension adjusting function

Abstract

The utility model relates to a twisting stress eliminating device with a tension adjusting function, which comprises a machine table, a conduction plate is arranged at the wire inlet end of the machine table, the machine table and the conduction plate are arranged in parallel and at an interval, a pressure sensor is arranged between the machine table and the conduction plate, the pressure sensor is electrically connected with a control system, a support frame is arranged on the conduction plate, and a tension adjusting device is arranged on the support frame. Two supporting wheels are arranged on the supporting frame, the two supporting wheels are vertically opposite and arranged at intervals, a movable column is arranged on one side of the supporting frame and is in sliding fit with the conduction plate, a guide wheel used for bearing a steel wire rope is arranged at the end of the movable column, and a lifting assembly capable of adjusting the height of the movable column is arranged on the movable column. The steel wire rope twisting device has the effect of ensuring the steel wire rope twisting quality.

Description

Technical Field

[0001] The present application relates to the technical field of wire rope twisting, and in particular to a twisting stress elimination device with a tension regulating function. Background Art

[0002] A double twist machine is a machine used to make steel wire ropes. In a double twist machine, two or more groups of steel wires are twisted into strands with a certain twist length and twist direction under the traction of a stranding machine. After the steel wire rope is twisted, a stress relief device is usually set to eliminate the internal stress generated by the steel wire rope during the twisting process.

[0003] The wire rope stress relief device generally includes a virtual twist component and a straightening component, and drives the wire rope to move through the traction wheel. The purpose of virtual twisting is to eliminate the internal stress generated by the wire rope during the twisting process, so that the arrangement of the wires in each layer of the wire rope is tighter and more uniform. This can enhance the overall structural stability of the wire rope and reduce the looseness and deformation during use; the purpose of straightening is mainly to make the area of ​​any cross-section of the wire rope the same and the thickness uniform, so that the stress distribution is more even. A wire guide wheel will be set between the wire rope twisting machine and the stress relief device to ensure that the wire rope can enter the equipment smoothly and reduce friction and wear.

[0004] The existing wire guide wheel position is relatively fixed, and there is a slight speed difference between the rotation speed of the traction wheel and the wire-laying speed of the twisting machine. If the speed of the traction wheel is lower than the wire-laying speed of the twisting machine, tensile stress will exist on the wire rope after a certain period of time. If the speed of the traction wheel is higher than the wire-laying speed of the twisting machine, the wire rope will become loose and the tension will be reduced. In either case, the quality of wire rope twisting will be affected, which is insufficient. Utility Model Content

[0005] In order to ensure the twisting quality of steel wire ropes, the present application provides a twisting stress elimination device with tension adjustment function.

[0006] The twisting stress relief device with tension adjustment function provided in the present application adopts the following technical solution:

[0007] A twisting stress elimination device with tension adjustment function comprises a machine platform, a conductive plate is provided on the wire inlet end of the machine platform, the machine platform and the conductive plate are parallel and spaced apart, a pressure sensor is provided between the machine platform and the conductive plate, the pressure sensor is electrically connected to a control system, a support frame is provided on the conductive plate, two support wheels are provided on the support frame, the two support wheels are opposed to each other and spaced apart, a movable column is provided on one side of the support frame, the movable column is slidably matched with the conductive plate, a guide wheel for supporting a steel wire rope is provided at the end of the movable column, and a lifting component capable of adjusting the height of the movable column is provided on the movable column.

[0008] By adopting the above technical solution, the movable column is located on the conduction plate, and the guide wheel supports the wire rope. If the wire rope becomes loose due to the differential speed of the reeling and releasing lines, the pressure value sensed by the pressure sensor is less than the set lower limit value. At this time, the lifting component will drive the movable column to rise, and apply tension to the wire rope to ensure the twisting quality. If the tension of the wire rope is greater than the set upper limit value of the pressure sensor, the lifting component will drive the movable column to descend, reduce the tension of the wire rope, and ensure the twisting quality.

[0009] Optionally, the lifting assembly includes a screw rod, which passes through the conductive plate and rotates with the conductive plate. The movable column is sleeved outside the screw rod, and the movable column is threadedly engaged with the screw rod. A sleeve is arranged outside the movable column, and the sleeve is arranged on the conductive plate in a vertical direction. The movable column is slidably engaged with the sleeve. A transmission assembly is provided under the machine platform to control the rotation of the screw rod to lift the lifting assembly.

[0010] By adopting the above technical solution, the transmission assembly controls the rotation of the screw rod. When the screw rod rotates, the movable column cooperates with the screw rod thread. Since the sleeve plays a guiding role, the movable column will move up and down along the sleeve to realize the lifting and lowering of the lifting assembly.

[0011] Optionally, the transmission assembly includes a motor, which is fixedly connected to the conduction plate, and the motor's shaft is arranged downward in a vertical direction. A transmission wheel is provided on the motor shaft, and a driven wheel is provided at the bottom of the screw rod. A synchronous belt is jointly provided on the transmission wheel and the driven wheel.

[0012] By adopting the above technical solution, the motor is started, and the motor shaft drives the transmission wheel to rotate. Since a synchronous belt is provided, the driven wheel rotates together with the transmission wheel, thereby realizing the rotation of the screw rod. Since the sleeve plays a guiding role, the movable column will move up and down along the sleeve, thereby realizing the lifting and lowering of the lifting assembly.

[0013] Optionally, a bearing is sleeved on the screw rod, the outer circle of the bearing is fixedly connected to the conduction plate, and the inner circle of the bearing is fixedly connected to the screw rod.

[0014] By adopting the above technical solution, the screw rod is rotatably connected with the conductive plate to support the screw rod. At this time, the weight of the lifting assembly and the movable column are applied to the conductive plate, which makes it easier for the pressure sensor to accurately sense the tension of the wire rope.

[0015] Optionally, a U-shaped frame for placing the guide wheel is provided on the top of the movable column, a detachable connecting rod is provided between the U-shaped frames, and the guide wheel is mounted on the connecting rod.

[0016] By adopting the above technical solution, the guide wheel is mounted on the detachable connecting rod. When the guide wheel is worn out after long-term use and needs to be replaced, it is only necessary to remove the connecting rod and replace the new guide wheel. At the same time, the use of the U-shaped frame can prevent the wire rope from slipping out of position due to sliding and affecting the twisting.

[0017] Optionally, both ends of the U-shaped frame are provided with through holes for passing connecting rods, one end of the connecting rod is provided with a disc, one side of the U-shaped frame is provided with a screw hole, the disc is provided with a mounting hole matching the screw hole, and the disc is connected to the U-shaped frame by bolts.

[0018] By adopting the above technical solution, the guide wheel is first placed between the U-shaped frame. When installing the connecting rod, one end of the connecting rod needs to be inserted along the two through holes and penetrate the center of the guide wheel and the two ends of the U-shaped frame, and then the bolt is inserted into the screw hole and the mounting hole to achieve the installation of the connecting rod. When removing the guide wheel, the bolt needs to be unscrewed and the connecting rod needs to be pulled out to achieve the removal of the guide wheel.

[0019] Optionally, the movable column is provided with scale lines along the vertical direction.

[0020] By adopting the above technical solution, when the screw rotates, the movable column cooperates with the screw thread, and the movable column moves along the sleeve direction under the guidance of the sleeve. The staff can observe the scale line on the movable column to judge the current tension of the wire rope. If the rising distance of the movable column is too large or the falling distance is too large, the staff can judge whether the pay-off speed of the twisting machine and the traction speed of the traction wheel need to be adjusted, which is beneficial to ensure the twisting quality of the wire rope.

[0021] Optionally, an anti-wear pad is provided on the outer surface of the guide wheel.

[0022] By adopting the above technical solution, the wear between the wire rope and the guide wheel is reduced, the vibration and noise during the transmission of the wire rope are reduced, and at the same time, a certain anti-slip performance is achieved.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting the conduction plate, support frame, movable column, sleeve, screw rod, motor, synchronous belt, transmission wheel and driven wheel, the weight and pressure of the wire rope are transmitted to the conduction plate. At this time, if the wire rope becomes loose due to the differential speed of the retracting and releasing line, the pressure value sensed by the pressure sensor is less than the set lower limit value. At this time, the lifting component will drive the movable column to rise, apply tension to the wire rope to ensure the twisting quality. If the tension of the wire rope is greater than the set upper limit value of the pressure sensor, the lifting component drives the movable column to descend, reduce the tension of the wire rope, and ensure the twisting quality;

[0025] 2. By setting up the U-shaped frame, guide wheel, connecting rod, disc, screw hole and installation hole, first place the guide wheel between the U-shaped frame. When installing the connecting rod, one end of the connecting rod needs to be inserted along the two through holes and pass through the center of the guide wheel and the two ends of the U-shaped frame, and then the bolts are inserted into the screw holes and the installation holes to achieve the installation of the connecting rod. When removing the guide wheel, it is necessary to unscrew the bolts and pull out the connecting rod to achieve the removal of the guide wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of an embodiment of the present application used in actual work.

[0027] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 3 It is a cross-sectional view of the lifting assembly and the movable column structure in the embodiment of the present application.

[0029] Figure 4 It is a schematic diagram of the connection relationship between the connecting rod and the guide wheel in the embodiment of the present application.

[0030] Explanation of the accompanying drawings: 1. Machine table; 2. Conductive plate; 3. Pressure sensor; 4. Support frame; 5. Support wheel; 6. Sleeve; 7. Movable column; 8. Screw; 9. Bearing; 10. Motor; 11. Transmission wheel; 12. Driven wheel; 13. Synchronous belt; 14. U-shaped frame; 15. Guide wheel; 16. Anti-wear pad; 17. Connecting rod; 18. Disc; 19. Mounting hole; 20. Scale line. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a twist stress relief device with tension adjustment function. Figure 1 and Figure 2 A twisting stress elimination device with tension adjustment function includes a machine table 1, a conductive plate 2 is arranged near the inlet end of the machine table 1, the conductive plate 2 is parallel to the machine table 1 and arranged at intervals, four pressure sensors 3 are arranged between the conductive plate 2 and the surface of the machine table 1, the conductive plate 2 is rectangular, and the four pressure sensors 3 are respectively arranged at the four corners of the conductive plate 2. The top surface of the pressure sensor 3 contacts the conductive plate 2, and the bottom surface of the pressure sensor 3 contacts the machine table 1. The plurality of pressure sensors 3 are electrically connected to the control system.

[0033] Reference Figure 1 and Figure 2 A support frame 4 is fixedly provided on the conductive plate 2, and two support wheels 5 are rotatably provided on the support frame 4. The two support wheels 5 are opposite to each other and spaced apart in the vertical direction, and a steel wire rope (not shown in the figure) is passed between the two support wheels 5.

[0034] Reference Figure 1 , Figure 2 and Figure 3 , a sleeve 6 is fixedly provided on the conducting plate 2, and the sleeve 6 is rectangular. A movable column 7 is slidably inserted in the sleeve 6, and the movable column 7 is located on the side of the support frame 4 away from the inlet end of the machine 1, and the movable column 7 is provided with a scale line 20 in the vertical direction. A lifting component that can adjust the height of the movable column 7 is provided below the movable column 7. The movable component includes a screw rod 8, and a rotating hole (not shown in the figure) for inserting the screw rod 8 is opened on the conducting plate 2. A bearing 9 is provided on the outer sleeve of the screw rod 8, and the outer circle of the bearing 9 is fixedly connected to the side wall of the rotating hole, and the inner circle of the bearing 9 is fixedly connected to the screw rod 8. The screw rod 8 is rotatably matched with the conducting plate 2 through the bearing 9.

[0035] Reference Figure 2 and Figure 3 The movable column 7 is sleeved on the outside of the screw rod 8, and the movable column 7 and the screw rod 8 are threadedly matched. The sleeve 6 is sleeved on the outside of the movable column 7, and the inner wall of the sleeve 6 and the outer wall of the movable column 7 are slidably matched. The movable column 7 and the sleeve 6 are slidably matched.

[0036] Reference Figure 1 and Figure 2 A transmission assembly for controlling the screw rod 8 to rotate and lift the lifting assembly is provided below the machine 1. The transmission assembly includes a motor 10, which is fixedly connected to the bottom of the conductive plate 2. The rotating shaft of the motor 10 is arranged downward in the vertical direction, and a transmission wheel 11 is fixedly provided at the end of the rotating shaft of the motor 10. A driven wheel 12 arranged opposite to the transmission wheel 11 is fixedly provided at the bottom of the screw rod 8, and a synchronous belt 13 is provided on the transmission wheel 11 and the driven wheel 12.

[0037] Reference Figure 3 and Figure 4 A U-shaped frame 14 is arranged on the top of the movable column 7. A guide wheel 15 for supporting the steel wire rope is rotatably arranged inside the U-shaped frame 14. An anti-wear pad 16 is sleeved on the outer surface of the guide wheel 15. A connecting rod 17 is detachably connected between the U-shaped frames 14. The guide wheel 15 is sleeved outside the connecting rod 17. The guide wheel 15 and the connecting rod 17 are rotatably matched. Both ends of the U-shaped frame 14 are provided with through holes (not shown in the figure) for passing the connecting rod 17. A disc 18 is arranged at one end of the connecting rod 17. The end of the disc 18 close to the connecting rod 17 abuts against the outer side of the U-shaped frame 14. A plurality of screw holes are arranged on one side of the U-shaped frame 14. A 19 that matches with the plurality of screw holes is opened on the disc 18. The disc 18 and the U-shaped frame 14 are detachably connected by bolts.

[0038] The implementation principle of the twisting stress relief device with tension adjustment function in the embodiment of the present application is as follows: after the steel wire rope flows out of the twisting machine, it is transferred to the stress relief device under the action of the traction wheel. The steel wire rope passes between the two support wheels 5 and randomly winds above the guide wheel 15. Since the steel wire rope itself has certain stress and tension, it will produce downward pressure on the guide wheel 15. The pressure is transmitted to the conductive plate 2 along the movable column 7. The pressure sensor 3 senses the pressure and displays the pressure reading on the control console of the operating box. Since there is a speed difference between the pay-off speed of the twisting machine and the traction speed of the traction wheel, the tension of the steel wire rope will change. Excessive or insufficient tension will affect the forming quality of the steel wire rope. When the pressure reading is greater than the upper set value of the pressure sensor 3, the motor 10 controls the screw rod 8 to rotate, causing the movable column 7 to descend along the sleeve 6, reducing the tension of the steel wire rope. When the pressure reading is less than the lower set value of the pressure sensor 3, the low-level reverse rotation of the screw rod 8 causes the movable column 7 to rise along the sleeve 6, increasing the tension of the steel wire rope and ensuring the forming quality.

[0039] When the guide wheel 15 needs to be replaced after a long period of wear, the bolts of the fixed disc 18 and the U-shaped frame 14 need to be unscrewed first, and the connecting rod 17 needs to be pulled out to remove the guide wheel 15. When installing the connecting rod 17, one end of the connecting rod 17 needs to be inserted along the two through holes and penetrate the center of the guide wheel 15 and the two ends of the U-shaped frame 14, and then the bolts are inserted into the screw holes and the mounting holes 19 to achieve the removal and installation of the connecting rod 17. At the same time, an anti-skid pad is set on the outer surface of the guide wheel 15 that contacts the wire rope to reduce the wear between the wire rope and the guide wheel 15, which is conducive to reducing the vibration and noise during the transmission of the wire rope.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A twisting stress relief device with tension adjustment function, comprising a machine (1), characterized in that: A conducting plate (2) is provided on the line inlet end of the machine (1), the machine (1) and the conducting plate (2) are arranged in parallel and at intervals, a pressure sensor (3) is provided between the machine (1) and the conducting plate (2), the pressure sensor (3) is electrically connected to a control system, a support frame (4) is provided on the conducting plate (2), two supporting wheels (5) are provided on the support frame (4), the two supporting wheels (5) are arranged opposite to each other and at intervals, a movable column (7) is provided on one side of the support frame (4), the movable column (7) is plugged into and matched with the conducting plate (2), a guide wheel (15) for supporting a steel wire rope is provided at the end of the movable column (7), and a lifting component capable of adjusting the height of the movable column (7) is provided on the movable column (7).

2. A twisting stress relief device with tension adjustment function according to claim 1, characterized in that: The lifting assembly comprises a screw rod (8), the screw rod (8) passes through the conductive plate (2) and is rotatably matched with the conductive plate (2), the movable column (7) is sleeved outside the screw rod (8), the movable column (7) is threadedly matched with the screw rod (8), a sleeve (6) is provided on the outer shell of the movable column (7), the sleeve (6) is arranged on the conductive plate (2) in a vertical direction, the movable column (7) is slidably matched with the sleeve (6), and a transmission assembly for controlling the screw rod (8) to rotate so as to lift the lifting assembly is provided below the machine platform (1).

3. A twisting stress relief device with tension adjustment function according to claim 2, characterized in that: The transmission assembly comprises a motor (10), the motor (10) is fixedly connected to the conductive plate (2), and the rotating shaft of the motor (10) is arranged downward in the vertical direction. A transmission wheel (11) is arranged on the rotating shaft of the motor (10), and a driven wheel (12) is arranged at the bottom of the screw rod (8). A synchronous belt (13) is commonly sleeved on the transmission wheel (11) and the driven wheel (12).

4. A twisting stress relief device with tension adjustment function according to claim 2, characterized in that: A bearing (9) is sleeved on the screw rod (8), the outer circle of the bearing (9) is fixedly connected to the conductive plate (2), and the inner circle of the bearing (9) is fixedly connected to the screw rod (8).

5. The twisting stress relief device with tension adjustment function according to claim 1, characterized in that: A U-shaped frame (14) for placing the guide wheel (15) is provided on the top of the movable column (7), and a detachable connecting rod (17) is provided between the U-shaped frames (14), and the guide wheel (15) is sleeved on the connecting rod (17).

6. A twisting stress relieving device with tension adjustment function according to claim 5, characterized in that: Both ends of the U-shaped frame (14) are provided with through holes for inserting a connecting rod (17); one end of the connecting rod (17) is provided with a disc (18); one side of the U-shaped frame (14) is provided with a screw hole; the disc (18) is provided with a mounting hole (19) matching the screw hole; the disc (18) is connected to the U-shaped frame (14) by bolts.

7. The twisting stress relieving device with tension adjustment function according to claim 1, characterized in that: The movable column (7) is provided with scale lines (20) along the vertical direction.

8. The twisting stress relieving device with tension adjustment function according to claim 1, characterized in that: An anti-wear pad (16) is provided on the outer surface of the guide wheel (15).

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