CN109267230B - Yarn trolley of anti-torsion wire rope braiding machine - Google Patents
Yarn trolley of anti-torsion wire rope braiding machine Download PDFInfo
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- CN109267230B CN109267230B CN201811431489.2A CN201811431489A CN109267230B CN 109267230 B CN109267230 B CN 109267230B CN 201811431489 A CN201811431489 A CN 201811431489A CN 109267230 B CN109267230 B CN 109267230B
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- 238000009954 braiding Methods 0.000 title abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
- D04C3/40—Braiding or lacing machines for making tubular braids by circulating strand supplies around braiding centre at equal distances
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Abstract
The strand trolley of the anti-torsion wire rope braiding machine comprises a strand rope wheel and a wheel frame, wherein the strand rope wheel is provided with a wheel shaft, a strand rope is wound on the strand rope wheel, the wheel frame is of a rectangular frame structure, the strand rope wheel is positioned in the wheel frame, the wheel shaft of the strand rope wheel is arranged in the left-right horizontal direction, the left end of the wheel shaft is connected to the left side frame of the wheel frame, a spring driving strand rope tensioning assembly is arranged at the joint of the left end of the wheel shaft and the left side frame of the wheel frame, and the right end of the wheel shaft is connected to the right side frame of the wheel frame; in summary, the invention adopts the spring to adjust the tension of the yarn, and the tooth-type one-way clutch prevents the reversion, thus realizing the winding and unwinding and tensioning of the yarn; the installation and disassembly assembly is arranged, so that the installation and disassembly assembly is convenient for installing or disassembling the wheel shaft of the strand rope wheel, and the installation and disassembly assembly is practical and convenient.
Description
Technical Field
The invention relates to a yarn trolley of an anti-torsion steel wire rope braiding machine.
Background
The anti-torsion steel wire rope is generally woven by 12 or 18 strands of steel wire ropes; in the process of braiding the anti-torsion steel wire rope, each rope trolley alternately runs along respective tracks, the running tracks of the rope trolley are two wavy tracks which are in the same plane and are mutually crossed around the same circle center, the situation that the rope trolley is far from the circle center and is near to the circle center is caused when the rope trolley runs in the tracks, in order to prepare ropes with uniform stress on each rope, the instantaneous tension of each rope is ensured to be consistent, the rope trolley needs to uniformly discharge one pitch length of rope in one circle, and meanwhile, the rope trolley needs to be tensioned to be far from the circle center and near to the redundant rope; in actual production, the methods adopted by each factory are different, and the effect is common.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the yarn trolley of the anti-twist wire rope braiding machine, which can adjust the tension of the yarn and realize the winding and unwinding and tensioning of the yarn.
In order to solve the technical problems, the invention adopts the following technical scheme: the strand trolley of the anti-torsion wire rope braiding machine comprises a strand rope wheel and a wheel frame, wherein the strand rope wheel is provided with a wheel shaft, a strand rope is wound on the strand rope wheel, the wheel frame is of a rectangular frame structure, the strand rope wheel is positioned in the wheel frame, the wheel shaft of the strand rope wheel is arranged in the left-right horizontal direction, the left end of the wheel shaft is connected to the left side frame of the wheel frame, a spring driving strand rope tensioning assembly is arranged at the joint of the left end of the wheel shaft and the left side frame of the wheel frame, the right end of the wheel shaft is connected to the right side frame of the wheel frame, and an installation and disassembly assembly is arranged at the joint of the right end of the wheel shaft and the right side frame of the wheel frame and is used for installing or disassembling the strand rope wheel; the middle position of the upper side frame of the wheel frame is provided with a perforation, and the movable end part of the strand rope on the strand rope wheel upwards passes through the perforation.
The right side frame of the wheel frame is provided with a right mounting hole, the axis of the right mounting hole coincides with the axis of the wheel shaft of the rope pulley, the mounting and dismounting assembly is arranged in the right mounting hole, the mounting and dismounting assembly comprises a movable top seat, a movable top core, a mandrel and a blocking cover, the movable top seat is of a sleeve type structure, the movable top seat is assembled in the right mounting hole and can move along the axis direction of the right mounting hole, the outer diameter of the movable top seat is equal to the diameter of the right mounting hole, the movable top core is of a cylindrical structure, the movable top core is assembled in the movable top seat, the outer diameter of the movable top core is equal to the inner diameter of the movable top seat, the movable top seat is provided with a threaded hole along the radial direction, the movable top core is provided with a round hole along the radial direction, the threaded hole of the movable top seat is internally threaded with a set screw, and the inner end of the set screw is inserted in the round hole; the right end of the right mounting hole of the right side frame is fixedly provided with a blocking cover, the center of the blocking cover is provided with a threaded hole, the threaded hole of the blocking cover is internally and in threaded connection with a jackscrew, and the left end of the jackscrew is in contact with the right end face of the movable jacking core; the right side frame is provided with a threaded hole along the vertical direction, the threaded hole on the right side frame is communicated with the right mounting hole, the top of the movable footstock is provided with an adjusting long groove along the axial direction, the threaded hole of the right side frame is connected with a positioning screw in a threaded manner, the positioning screw is arranged along the vertical direction, and the lower end of the positioning screw extends into the adjusting long groove and is in contact with the top of the movable footstock;
the left end part of the movable top core is provided with a mounting groove, the radius of the right end part of the mandrel is smaller than that of the left end part, the mandrel is rotationally connected in the mounting groove of the movable top core through a first thrust bearing, the right end of the mandrel stretches into the inner ring of the first thrust bearing, the left end part of the mandrel is rotationally connected in the left end part of the movable top seat through a first deep groove ball bearing, the left end part of the mandrel stretches into the inner ring of the first deep groove ball bearing, and the outer ring of the first deep groove ball bearing is in interference fit with the inner side surface of the left end part of the movable top seat; the right end of the axle of the rope pulley extends into the inner ring of the first deep groove ball bearing and is in contact with the left end of the mandrel.
The left side frame of the wheel frame is provided with a left mounting hole, the axis of the left mounting hole coincides with the axis of the wheel shaft of the rope pulley, the spring driving type rope tensioning assembly comprises a tooth type one-way clutch, a spring barrel, a central shaft and a seat sleeve, the seat sleeve is of a stepped sleeve structure, the right side part of the seat sleeve is fixed in the left mounting hole of the left side frame of the wheel frame, the left side part of the seat sleeve is provided with external threads, the inner ring of the tooth type one-way clutch is provided with internal threads, the tooth type one-way clutch is in threaded connection with the left side part of the seat sleeve, and the spring barrel is fixed on the outer ring of the tooth type one-way clutch;
the central shaft is a step shaft and consists of a first shaft body part, a second shaft body part, a third shaft body part and a fourth shaft body part, a first shaft shoulder is formed at the transitional joint between the first shaft body part and the second shaft body part, a second shaft shoulder is formed at the transitional joint between the second shaft body part and the third shaft body part, and a third shaft shoulder is formed at the transitional joint between the third shaft body part and the fourth shaft body part; the central shaft is coaxially arranged in the seat sleeve, two second deep groove ball bearings are arranged between the fourth shaft body and the inner wall of the right side part of the seat sleeve, a spacer bush is sleeved on the fourth shaft body, the spacer bush is positioned between the two second deep groove ball bearings, the right side part of the fourth shaft body is provided with an installation jack, the left end part of the wheel shaft of the rope pulley is inserted into the installation jack of the fourth shaft body, the periphery of the left end part of the wheel shaft of the rope pulley is provided with a first friction ring, and the wheel shaft of the rope pulley is in friction transmission connection with the fourth shaft body of the central shaft through the first friction ring;
the right end of the third shaft body is provided with a second thrust bearing, and the second thrust bearing is close to the third shaft shoulder and is positioned in the right side part of the sleeve; the periphery of the second shaft body is provided with a nylon sleeve, a spring core and a spring are arranged in the spring box, the outer ring of the spring is fixedly connected with the spring box, and the inner ring of the spring is fixedly connected with the spring core;
the left side portion of center pin has set gradually flat pad, dish spring, third friction disc, third friction ring, second friction disc, clockwork spring core, second friction ring and first friction disc from left to right, wherein flat pad, dish spring and third friction disc are installed on the first axis body portion of center pin, clockwork spring core, second friction ring and first friction disc are installed on the second axis body portion, be equipped with the nylon cover between the outer peripheral surface of clockwork spring core and second axis body portion, first axis body portion is the double-screw bolt structure, the left end threaded connection of first axis body portion has gland nut, under gland nut's effect, flat pad, dish spring, third friction disc, third friction ring, second friction disc, clockwork spring core, second friction ring and first friction disc compress tightly each other, and first friction disc compresses tightly on the second shoulder.
By adopting the technical scheme, the invention has the following beneficial effects: the invention is suitable for the anti-torsion wire rope braiding machine, the strand rope wheel is dismounted or mounted on the wheel frame through the mounting and dismounting assembly, when the strand rope wheel is required to be mounted, the left end part of the wheel shaft of the strand rope wheel is firstly mounted in the mounting jack of the fourth shaft body part of the central shaft, then the positioning screw is loosened, the jackscrew is screwed, the jackscrew moves leftwards axially and pushes the movable jackseat to move leftwards, so that the right end of the wheel shaft of the strand rope wheel stretches into the inner ring of the first deep groove ball bearing and is abutted against the left end part of the central shaft, and then the positioning screw is reversely screwed, so that the positioning screw is in jacking contact with the movable jackseat again, and the mounting of the strand rope wheel is completed; when the rope pulley is required to be disassembled, the positioning screw is loosened, the jackscrew is screwed, the jackscrew moves rightwards and axially, and then the movable jackseat is shifted rightwards by hands, so that the right end of the wheel shaft of the rope pulley is separated from the inner ring of the first deep groove ball bearing, and the disassembly of the rope pulley is completed;
after the invention is installed, the strand rope is in a loose state, and the strand rope wheel on the strand rope trolley needs to be adjusted at the moment to ensure that the strand rope is in a tensioning state, and the specific adjustment method is as follows: twisting the tooth-type one-way clutch to enable the tooth-type one-way clutch to rotate a certain angle on the seat sleeve, so that the tooth-type one-way clutch drives the spring box to rotate, the spring box rotates to enable the spring to be wound, then the spring drives the central shaft to rotate, the central shaft drives the wheel shaft of the rope pulley to rotate, and the rope pulley starts to rotate, so that the rope pulley is in a tensioning state;
when the rope winding machine works, the rope drives the rope pulley to rotate, the wheel shaft of the rope pulley drives the central shaft to rotate through the first friction ring, the rope pulley drives the rope pulley to rotate when the rope pulley moves from the center near point to the far point under the driving force, so that the central shaft drives the first friction disc, the second friction ring, the second friction disc, the third friction ring and the third friction disc to rotate, finally the friction disc and the friction ring drive the spring core to rotate positively to finish the winding, then the rope pulley moves from the center far point to the near point, the rope loses tension, the spring can transfer stored energy to the wheel shaft of the rope pulley through the central shaft, the wheel shaft of the rope pulley is driven to rotate reversely, and the rope pulley is wound tightly again after the wheel shaft rotates reversely, so that the rope is in a certain tension again;
if the tension of the strands is found to be inconsistent, the adjustment can be made by adjusting the tightness of the barrel or the compression nut.
In summary, the invention adopts the spring to adjust the tension of the yarn, and the tooth-type one-way clutch prevents the reversion, thus realizing the winding and unwinding and tensioning of the yarn; the installation and disassembly assembly is arranged, so that the installation and disassembly assembly is convenient for installing or disassembling the wheel shaft of the strand rope wheel, and the installation and disassembly assembly is practical and convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the construction of the mounting and dismounting assembly;
FIG. 3 is a schematic structural view of a spring-driven yarn tensioning assembly.
Detailed Description
As shown in fig. 1-3, the strand trolley of the anti-torsion steel wire rope braiding machine comprises a strand rope pulley 1 and a wheel frame 2, wherein the strand rope pulley 1 is provided with an axle 3, a strand rope 4 is wound on the strand rope pulley 1, the wheel frame 2 is of a rectangular frame structure, the strand rope pulley 1 is positioned in the wheel frame 2, the axle 3 of the strand rope pulley 1 is arranged along the left-right horizontal direction, the left end of the axle 3 is connected to the left side frame of the wheel frame 2, the connection part of the left end of the axle 3 and the left side frame of the wheel frame 2 is provided with a spring-driven strand rope tensioning assembly 100, the right end of the axle 3 is connected to the right side frame of the wheel frame 2, the connection part of the right end of the axle 3 and the right side frame of the wheel frame 2 is provided with an installing and detaching assembly 5, and the installing and detaching assembly 5 is used for installing or detaching the strand rope pulley 1; a perforation 6 is arranged in the middle of the upper side frame of the wheel frame 2, and the movable end part of the strand rope 4 on the strand rope wheel 1 passes through the perforation 6 upwards.
The right side frame of the wheel frame 2 is provided with a right mounting hole 7, the axis of the right mounting hole 7 is coincident with the axis of the wheel shaft 3 of the yarn wheel 1, the mounting and dismounting assembly 5 is arranged in the right mounting hole 7, the mounting and dismounting assembly 5 comprises a movable top seat 8, a movable top core 9, a mandrel 10 and a blocking cover 11, the movable top seat 8 is of a sleeve type structure, the movable top seat 8 is assembled in the right mounting hole 7 and can move along the axis direction of the right mounting hole 7, the outer diameter of the movable top seat 8 is equal to the diameter of the right mounting hole 7, the movable top core 9 is of a cylindrical structure, the movable top core 9 is assembled in the movable top seat 8, the outer diameter of the movable top core 9 is equal to the inner diameter of the movable top seat 8, a threaded hole is formed in the radial direction of the movable top seat 8, a round hole is formed in the radial direction of the movable top core 9, a positioning screw 12 is connected in the threaded hole of the movable top seat 8, and the inner end of the positioning screw 12 is inserted in the round hole; a blocking cover 11 is fixed at the right end of the right mounting hole 7 of the right side frame, a threaded hole is formed in the center of the blocking cover 11, a jackscrew 13 is connected in the threaded hole of the blocking cover 11 in a threaded manner, and the left end of the jackscrew 13 is abutted against the right end face of the movable jacking core 9; the right side frame is provided with a threaded hole along the vertical direction, the threaded hole on the right side frame is communicated with the right mounting hole 7, the top of the movable footstock 8 is provided with an adjusting long groove 14 along the axial direction, the threaded hole of the right side frame is connected with a positioning screw 15 in a threaded manner, the positioning screw 15 is arranged along the vertical direction, and the lower end of the positioning screw 15 extends into the adjusting long groove 14 and is in jacking contact with the movable footstock 8;
the left end part of the movable top core 9 is provided with a mounting groove, the mandrel 10 is of a step structure, the radius of the right end part of the mandrel 10 is smaller than that of the left end part, the mandrel 10 is rotationally connected in the mounting groove of the movable top core 9 through a first thrust bearing 16, the right end of the mandrel 10 stretches into the inner ring of the first thrust bearing 16, the left end part of the mandrel 10 is rotationally connected in the left end part of the movable top seat 8 through a first deep groove ball bearing 17, the left end part of the mandrel 10 stretches into the inner ring of the first deep groove ball bearing 17, and the outer ring of the first deep groove ball bearing 17 is in interference fit with the inner side surface of the left end part of the movable top seat 8; the right end of the wheel shaft 3 of the rope pulley 1 extends into the inner ring of the first deep groove ball bearing 17 and is in contact with the left end part of the mandrel 10.
The left side frame of the wheel frame 2 is provided with a left mounting hole, the axis of the left mounting hole coincides with the axis of the wheel shaft 3 of the yarn wheel 1, the spring driven yarn tensioning assembly 100 comprises a toothed one-way clutch 18, a spring barrel 19, a central shaft and a seat sleeve 21, the seat sleeve 21 is of a stepped sleeve structure, the right side part of the seat sleeve 21 is fixed in the left mounting hole of the left side frame of the wheel frame 2, the left side part of the seat sleeve 21 is provided with external threads, the inner ring of the toothed one-way clutch 18 is provided with internal threads, the toothed one-way clutch 18 is in threaded connection with the left side part of the seat sleeve 21, and the spring barrel 19 is fixed on the outer ring of the toothed one-way clutch 18;
the central shaft is a step shaft and consists of a first shaft body 22, a second shaft body 23, a third shaft body 24 and a fourth shaft body 25, a first shaft shoulder is formed at the transitional joint between the first shaft body 22 and the second shaft body 23, a second shaft shoulder 42 is formed at the transitional joint between the second shaft body 23 and the third shaft body 24, and a third shaft shoulder 31 is formed at the transitional joint between the third shaft body 24 and the fourth shaft body 25; the central shaft is coaxially arranged in the seat sleeve 21, two second deep groove ball bearings 26 are arranged between the fourth shaft body 25 and the inner wall of the right side part of the seat sleeve 21, a spacer sleeve 27 is sleeved on the fourth shaft body 25, the spacer sleeve 27 is positioned between the two second deep groove ball bearings 26, the right side part of the fourth shaft body 25 is provided with an installation jack, the left end part of the wheel shaft 3 of the rope pulley 1 is inserted into the installation jack of the fourth shaft body 25, the outer periphery of the left end part of the wheel shaft 3 of the rope pulley 1 is provided with a first friction ring 28, and the wheel shaft 3 of the rope pulley 1 is in friction transmission connection with the fourth shaft body 25 of the central shaft through the first friction ring 28;
the right end of the third shaft body 24 is provided with a second thrust bearing 29, and the second thrust bearing 29 is close to the third shaft shoulder 31 and is positioned in the right side part of the seat sleeve 21; the outer periphery of the second shaft body part 23 is provided with a nylon sleeve 30, a spring core 32 and a spring 33 are arranged in the spring box 19, the outer ring of the spring 33 is fixedly connected with the spring 33 box 19, and the inner ring of the spring 33 is fixedly connected with the spring core 32;
the left side portion of center pin has set gradually flat pad 34, disc spring 35, third friction disc 36, third friction ring 37, second friction disc 38, the spring core 32, second friction disc 39 and first friction disc 40 from left to right, wherein flat pad 34, disc spring 35 and third friction disc 36 are installed on the first shaft body portion 22 of center pin, spring core 32, second friction ring 39 and first friction disc 40 are installed on second shaft body portion 23, be equipped with nylon cover 30 between spring core 32 and the outer peripheral surface of second shaft body portion 23, first shaft body portion 22 is the double-screw structure, the left end threaded connection of first shaft body portion 22 has gland nut 41, under gland nut 41's effect, flat pad 34, disc spring 35, third friction disc 36, third friction disc 37, second friction disc 38, spring core 32, second friction ring 39 and first friction disc 40 compress tightly each other, and first friction disc 40 compresses tightly on second shoulder 42.
The invention is suitable for the anti-torsion wire rope braiding machine, the rope pulley 1 is dismounted or mounted on the pulley frame 2 through the mounting and dismounting assembly 5, when the rope pulley 1 needs to be mounted, the left end part of the wheel shaft 3 of the rope pulley 1 is firstly mounted in the mounting jack of the fourth shaft body 25 of the central shaft, then the positioning screw 15 is loosened, the jackscrew 13 is screwed, the jackscrew 13 moves leftwards axially and pushes the movable jackseat 8 to move leftwards, the right end of the wheel shaft 3 of the rope pulley 1 extends into the inner ring of the first deep groove ball bearing 17 and is abutted against the left end part of the central shaft 10, and then the positioning screw 15 is reversely screwed, so that the positioning screw 15 is in jacking contact with the movable jackseat 8 again, and the installation of the rope pulley 1 is completed; when the rope pulley 1 needs to be disassembled, the positioning screw 15 is loosened, the jackscrew 13 is screwed, the jackscrew 13 moves rightwards and axially, then the movable jackseat 8 is shifted rightwards by hand, so that the right end of the wheel shaft 3 of the rope pulley 1 is separated from the inner ring of the first deep groove ball bearing 17, and the disassembly of the rope pulley 1 is completed;
after the invention is installed, the strand rope is in a loose state, and the strand rope wheel on the strand rope trolley needs to be adjusted at the moment to ensure that the strand rope is in a tensioning state, and the specific adjustment method is as follows: twisting the tooth-type one-way clutch 18, so that the tooth-type one-way clutch 18 rotates on the seat cover 21 by a certain angle, the tooth-type one-way clutch 18 drives the spring box 19 to rotate, the spring box 19 rotates to enable the spring 33 to be wound up, then the spring 33 drives the central shaft to rotate, the central shaft drives the wheel shaft of the rope pulley 1 to rotate, and the rope pulley 1 starts to rotate, so that the rope is in a tensioning state;
when the invention works, the strand rope 4 drives the strand rope pulley 1 to rotate, the wheel shaft 3 of the strand rope pulley 1 drives the central shaft to rotate through the first friction ring 28, the strand rope pulley 4 drives the strand rope pulley 1 to rotate when the strand rope pulley is driven by power to move from a center near point to a far point, so that the central shaft drives the first friction disc 40, the second friction ring 39, the second friction disc 38, the third friction ring 37 and the third friction disc 36 to rotate, the friction disc and the friction ring drive the spring core 32 to rotate positively to finish the winding of the spring 33, then the strand rope pulley moves from the center far point to the near point, the strand rope 4 loses tension, the spring box 19 is in a pressed static state due to the unidirectional rotation of the toothed unidirectional clutch 18, the spring 33 can transmit stored energy to the wheel shaft 3 of the strand rope pulley 1 through the central shaft, thereby driving the wheel shaft 3 of the strand rope pulley 1 to rotate reversely, and the wheel shaft 3 rotates reversely to tighten the strand rope 4 again, so that the strand rope 4 reaches a certain tension again;
if it is found that the tension of the strands 4 is not uniform, this can be adjusted by adjusting the tightness of the barrel 19 or of the compression nut 41.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (1)
1. The utility model provides a strand dolly of anti-torsion wire rope braider which characterized in that: the device comprises a strand rope wheel and a wheel frame, wherein the strand rope wheel is provided with a wheel shaft, a strand rope is wound on the strand rope wheel, the wheel frame is of a rectangular frame structure, the strand rope wheel is positioned in the wheel frame, the wheel shaft of the strand rope wheel is arranged in the left-right horizontal direction, the left end of the wheel shaft is connected to the left side frame of the wheel frame, a spring driving strand rope tensioning assembly is arranged at the joint of the left end of the wheel shaft and the left side frame of the wheel frame, the right end of the wheel shaft is connected to the right side frame of the wheel frame, and an installation and disassembly assembly is arranged at the joint of the right end of the wheel shaft and the right side frame of the wheel frame and is used for installing or disassembling the strand rope wheel; a perforation is arranged in the middle of the upper side frame of the wheel frame, and the movable end part of the strand rope on the strand rope wheel upwards passes through the perforation;
the right side frame of the wheel frame is provided with a right mounting hole, the axis of the right mounting hole coincides with the axis of the wheel shaft of the rope pulley, the mounting and dismounting assembly is arranged in the right mounting hole, the mounting and dismounting assembly comprises a movable top seat, a movable top core, a mandrel and a blocking cover, the movable top seat is of a sleeve type structure, the movable top seat is assembled in the right mounting hole and can move along the axis direction of the right mounting hole, the outer diameter of the movable top seat is equal to the diameter of the right mounting hole, the movable top core is of a cylindrical structure, the movable top core is assembled in the movable top seat, the outer diameter of the movable top core is equal to the inner diameter of the movable top seat, the movable top seat is provided with a threaded hole along the radial direction, the movable top core is provided with a round hole along the radial direction, the threaded hole of the movable top seat is internally threaded with a set screw, and the inner end of the set screw is inserted in the round hole; the right end of the right mounting hole of the right side frame is fixedly provided with a blocking cover, the center of the blocking cover is provided with a threaded hole, the threaded hole of the blocking cover is internally and in threaded connection with a jackscrew, and the left end of the jackscrew is in contact with the right end face of the movable jacking core; the right side frame is provided with a threaded hole along the vertical direction, the threaded hole on the right side frame is communicated with the right mounting hole, the top of the movable footstock is provided with an adjusting long groove along the axial direction, the threaded hole of the right side frame is connected with a positioning screw in a threaded manner, the positioning screw is arranged along the vertical direction, and the lower end of the positioning screw extends into the adjusting long groove and is in contact with the top of the movable footstock;
the left end part of the movable top core is provided with a mounting groove, the radius of the right end part of the mandrel is smaller than that of the left end part, the mandrel is rotationally connected in the mounting groove of the movable top core through a first thrust bearing, the right end of the mandrel stretches into the inner ring of the first thrust bearing, the left end part of the mandrel is rotationally connected in the left end part of the movable top seat through a first deep groove ball bearing, the left end part of the mandrel stretches into the inner ring of the first deep groove ball bearing, and the outer ring of the first deep groove ball bearing is in interference fit with the inner side surface of the left end part of the movable top seat; the right end of the axle of the rope pulley extends into the inner ring of the first deep groove ball bearing and is abutted against the left end part of the mandrel;
the left side frame of the wheel frame is provided with a left mounting hole, the axis of the left mounting hole coincides with the axis of the wheel shaft of the rope pulley, the spring driving type rope tensioning assembly comprises a tooth type one-way clutch, a spring barrel, a central shaft and a seat sleeve, the seat sleeve is of a stepped sleeve structure, the right side part of the seat sleeve is fixed in the left mounting hole of the left side frame of the wheel frame, the left side part of the seat sleeve is provided with external threads, the inner ring of the tooth type one-way clutch is provided with internal threads, the tooth type one-way clutch is in threaded connection with the left side part of the seat sleeve, and the spring barrel is fixed on the outer ring of the tooth type one-way clutch;
the central shaft is a step shaft and consists of a first shaft body part, a second shaft body part, a third shaft body part and a fourth shaft body part, a first shaft shoulder is formed at the transitional joint between the first shaft body part and the second shaft body part, a second shaft shoulder is formed at the transitional joint between the second shaft body part and the third shaft body part, and a third shaft shoulder is formed at the transitional joint between the third shaft body part and the fourth shaft body part; the central shaft is coaxially arranged in the seat sleeve, two second deep groove ball bearings are arranged between the fourth shaft body and the inner wall of the right side part of the seat sleeve, a spacer bush is sleeved on the fourth shaft body, the spacer bush is positioned between the two second deep groove ball bearings, the right side part of the fourth shaft body is provided with an installation jack, the left end part of the wheel shaft of the rope pulley is inserted into the installation jack of the fourth shaft body, the periphery of the left end part of the wheel shaft of the rope pulley is provided with a first friction ring, and the wheel shaft of the rope pulley is in friction transmission connection with the fourth shaft body of the central shaft through the first friction ring;
the right end of the third shaft body is provided with a second thrust bearing, and the second thrust bearing is close to the third shaft shoulder and is positioned in the right side part of the sleeve; the periphery of the second shaft body is provided with a nylon sleeve, a spring core and a spring are arranged in the spring box, the outer ring of the spring is fixedly connected with the spring box, and the inner ring of the spring is fixedly connected with the spring core;
the left side portion of center pin has set gradually flat pad, dish spring, third friction disc, third friction ring, second friction disc, clockwork spring core, second friction ring and first friction disc from left to right, wherein flat pad, dish spring and third friction disc are installed on the first axis body portion of center pin, clockwork spring core, second friction ring and first friction disc are installed on the second axis body portion, be equipped with the nylon cover between the outer peripheral surface of clockwork spring core and second axis body portion, first axis body portion is the double-screw bolt structure, the left end threaded connection of first axis body portion has gland nut, under gland nut's effect, flat pad, dish spring, third friction disc, third friction ring, second friction disc, clockwork spring core, second friction ring and first friction disc compress tightly each other, and first friction disc compresses tightly on the second shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110476678B (en) * | 2019-08-08 | 2024-03-26 | 沈阳农业大学 | Solar greenhouse film pressing rope pre-tightening adjusting device |
| CN112077244B (en) * | 2020-10-09 | 2025-01-24 | 成都固特机械有限责任公司 | Single chord anti-twist device and truss welded steel bar anti-twist device |
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| CN209323111U (en) * | 2018-11-28 | 2019-08-30 | 河南旭德隆机械有限公司 | A kind of anti-strand trolley for turning round braider for wire rope |
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| GB785375A (en) * | 1955-02-05 | 1957-10-30 | Hood Haggie & Son Ltd R | Improvements in or relating to the manufacture of flat wire rope |
| US4535674A (en) * | 1984-11-20 | 1985-08-20 | James F. Karg | Apparatus for control of moving strands from rotating strand supply bobbins |
| CN2883456Y (en) * | 2006-03-30 | 2007-03-28 | 刘玉成 | Stranded rope tension balancer of wire rop braider |
| CN201221037Y (en) * | 2008-07-01 | 2009-04-15 | 象山县鑫海电力机具有限公司 | Single wire tensioning mechanism of trolley of square wire rope knitting machine |
| CN204023283U (en) * | 2014-04-24 | 2014-12-17 | 王长利 | A kind of pneumatic actinobacillus device of buncher |
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| CN207933807U (en) * | 2018-01-24 | 2018-10-02 | 江苏新汇力金属制品有限公司 | Braider for wire rope braiding vehicle |
| CN108824043A (en) * | 2018-06-29 | 2018-11-16 | 西北有色金属研究院 | A kind of metal filament doubling twisting equipment of low abrasion |
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