CN211895571U - Non-parallel type double-friction roller tension reducing winch device - Google Patents
Non-parallel type double-friction roller tension reducing winch device Download PDFInfo
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- CN211895571U CN211895571U CN201921751638.3U CN201921751638U CN211895571U CN 211895571 U CN211895571 U CN 211895571U CN 201921751638 U CN201921751638 U CN 201921751638U CN 211895571 U CN211895571 U CN 211895571U
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Abstract
The utility model discloses a two friction roller's of non-parallel formula subtract tension winch device, including a friction pulley, No. two friction pulleys, hydraulic motor, reduction gear and winch mounting base, a, No. two friction pulleys are installed on winch mounting base through setting up respectively in the gyro wheel support bearing frame of bottom separately, and hydraulic motor installs on winch mounting base, a friction pulley and No. two friction pulley symmetry set up, and the hawser stretches out through a friction pulley, No. two repeated winding back of friction pulley in proper order, the axis of a friction pulley and No. two friction pulleys is not on same horizontal plane, is the contained angle that alpha angle set up, the hawser between a friction pulley and No. two friction pulleys is mutual parallel placement. The utility model discloses a structural design of two friction rollers of non-parallel formula does not produce the contained angle when guaranteeing that the hawser passes through two friction rollers around the tension reducing winch, reduces the harmful additional wearing and tearing in the hawser working process, improves the life of hawser and the availability factor of equipment.
Description
Technical Field
The utility model relates to a subtract tension winch device and operation method thereof, specific subtract tension winch device and operation method thereof of two friction pulleys of non-parallel formula that says so belongs to engineering machine tool technical field.
Background
The tension reducing winch generally cooperates with the cable storage winch to work together, so that the winding and unwinding work of the ten-million-level cable is completed, the heavy load of the cable at the front end of the winch is borne, and the small load of the cable at the rear end of the winch is guaranteed. The tension reducing winch in the current market adopts a parallel double-friction roller structure, and the axes of the two friction rollers are on the same horizontal plane and are arranged in a staggered mode. However, the double-friction roller structure arranged on the same horizontal plane in a staggered mode can generate a certain included angle when the cable passes through the front friction roller and the rear friction roller, so that certain radial force is generated on the cable, the abrasion of the cable is accelerated, and the service life of the cable is shortened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide a rational in infrastructure, convenient to use, can eliminate the deviation, can guarantee that the hawser does not produce the contained angle when two friction rollers around the pull winch reduce the harmful additional wearing and tearing in the hawser working process, improve the life of hawser and the availability factor's of equipment the pull winch device and the operation method that subtracts of non-parallel formula double friction wheel.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme: a non-parallel double-friction-roller tension-reducing winch device, which comprises a first friction wheel, a second friction wheel, a hydraulic motor, a speed reducer and a winch mounting base, the first friction wheel and the second friction wheel are arranged on the winch mounting base through roller supporting bearing seats respectively arranged at the bottoms of the first friction wheel and the second friction wheel, the hydraulic motor is arranged on the winch mounting base, the output shaft of the hydraulic motor is connected with the input shaft of the speed reducer, the speed reducer is arranged in the friction wheel and is directly connected with the driving shaft of the friction wheel, the first friction wheel and the second friction wheel are symmetrically arranged, the cable is wound by the first friction wheel and the second friction wheel in sequence and then extends out, the axes of the first friction wheel and the second friction wheel are not on the same horizontal plane and form an included angle with an alpha angle, and the mooring ropes between the first friction wheel and the second friction wheel are arranged in parallel.
Furthermore, the angle alpha is an included angle formed by the axes of the two friction rollers on two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter a rope groove corresponding to the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
Furthermore, the friction wheel is the same as the friction wheel II in structure and comprises a winding drum and a rope groove arranged in the winding drum, the outer circle surface of the winding drum is provided with a plurality of semicircular arc-shaped rope grooves respectively, a mooring rope is wound in the rope groove, and the mooring rope enters the cable storage winch after passing through the friction wheel II.
Furthermore, the first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
Furthermore, the hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an embedded planetary speed reducer, is directly installed in the friction wheel and is directly connected with a driving shaft of the friction wheel, and the embedded planetary speed reducer has speed reduction and braking functions.
Furthermore, the mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect: the utility model discloses a pitch between rope groove radius, the rope groove of two gyro wheels around, the fixed contained angle of two gyro wheel axes on same horizontal plane is calculated in designs such as gyro wheel center distance, the final structural style who confirms two friction rollers of tension reducing winch. Through the structural design of the non-parallel double-friction roller, an included angle is not generated when the mooring rope passes through the front friction roller and the rear friction roller of the tension reducing winch, harmful additional abrasion in the working process of the mooring rope is reduced, and the service life of the mooring rope and the service efficiency of equipment are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 shows the operation state of the offset dual-friction roller on the same horizontal plane in the prior art.
Fig. 4 shows the working state of the non-parallel double-friction roller of the present invention.
Description of the drawings: reference numeral 1 denotes a mounting base, and reference numeral 2 denotes a first friction roller, reference numeral 3 denotes a second friction roller, reference numeral 4 denotes a roller support bearing block, reference numeral 5 denotes a hydraulic motor, and reference numeral 6 denotes a built-in planetary reduction gear.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the utility model provides a non-parallel double-friction roller tension-reducing winch device, which comprises a first friction wheel, a second friction wheel, a hydraulic motor, a speed reducer and a winch mounting base, the first friction wheel and the second friction wheel are arranged on the winch mounting base through roller supporting bearing seats respectively arranged at the bottoms of the first friction wheel and the second friction wheel, the hydraulic motor is arranged on the winch mounting base, the output shaft of the hydraulic motor is connected with the input shaft of the speed reducer, the speed reducer is arranged in the friction wheel and is directly connected with the driving shaft of the friction wheel, the first friction wheel and the second friction wheel are symmetrically arranged, the cable is wound by the first friction wheel and the second friction wheel in sequence and then extends out, the axes of the first friction wheel and the second friction wheel are not on the same horizontal plane and form an included angle with an alpha angle, and the mooring ropes between the first friction wheel and the second friction wheel are arranged in parallel.
The angle alpha is an included angle formed by the axes of the two friction rollers on the two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter the corresponding rope groove of the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
Meanwhile, the first friction wheel and the second friction wheel are the same in structure and are composed of a winding drum and rope grooves formed in the winding drum, a plurality of semicircular arc-shaped rope grooves are formed in the outer circle surface of the winding drum respectively, and a mooring rope is wound in the rope grooves and enters the cable storage winch after passing through the second friction wheel.
The first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
The hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an internal planetary speed reducer, is directly installed in a friction wheel and is directly connected with a driving shaft of the friction wheel, and the internal planetary speed reducer has speed reduction and braking functions.
The mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
A method of operating a non-parallel, dual friction roller, tension reducing winch arrangement, comprising the steps of:
s1, designing the radius of the rope grooves of the front roller and the rear roller and the pitch between the rope grooves, and calculating the fixed included angle of the axes of the two rollers which are not on the same horizontal plane according to the center distance of the rollers, and finally determining the structural form of the two friction rollers of the tension reducing winch.
The determination of the angle α is as follows: the diameter of the cable for the friction roller is D, the nominal diameter of the friction roller is D, the radius of the rope groove of the friction roller is r, and the pitch of the rope groove is P.
Nominal diameter D k of friction roller1×d(k1The working grade of the mechanism, the material and the structure of the mooring rope are related, and the value is generally 16-25);
radius r of friction roller rope is k2×d(k2Taking 0.53-0.56, related to the material and structure of the cable rope);
rope groove pitch P is 2r + k3(k3Taking 2-4 mm);
fixed included angle
S2, connecting a load with an upper cable, and transmitting the upper cable to a first friction wheel;
the cable on the first friction wheel is transmitted to the position of the groove corresponding to the second friction wheel through the groove on the first friction wheel, so that the cables are parallel to each other and do not form an included angle, and then the cable is wound back through the groove and returns to the first friction wheel again;
s3, repeating the step S2 until the cable winds the groove, finally leading out the cable through a second friction wheel, and winding the cable into a traction winch through an automatic cable arranger;
and S4, ending the work.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a two friction roller's of non-parallel formula subtract tension winch device, includes friction pulley, No. two friction pulley, hydraulic motor, reduction gear and winch mounting base, the friction pulley is installed on winch mounting base through setting up respectively in gyro wheel support bearing frame of respective bottom, hydraulic motor installs on winch mounting base, and hydraulic motor output shaft and reduction gear input shaft hookup, and the reduction gear is installed in the friction pulley, and direct in the drive shaft hookup of friction pulley, its characterized in that: a friction pulley and No. two friction pulley symmetry set up, and the hawser stretches out after the repeated winding of friction pulley, No. two friction pulleys in proper order, the axis of a friction pulley and No. two friction pulleys is not on same horizontal plane, is the contained angle that alpha angle set up, hawser between a friction pulley and No. two friction pulleys is parallel to each other and places.
2. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the angle alpha is an included angle formed by the axes of the two friction rollers on two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter the corresponding rope groove of the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
3. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the friction wheel is the same as the friction wheel II in structure and comprises a winding drum and a rope groove arranged in the winding drum, the outer circle surface of the winding drum is provided with a plurality of semicircular arc-shaped rope grooves respectively, a mooring rope is wound in the rope groove, and the mooring rope enters the cable storage winch after passing through the friction wheel II.
4. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 3, wherein: the first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
5. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an internal planetary speed reducer, is directly installed in a friction wheel and is directly connected with a driving shaft of the friction wheel, and the internal planetary speed reducer has speed reduction and braking functions.
6. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751638.3U CN211895571U (en) | 2019-10-18 | 2019-10-18 | Non-parallel type double-friction roller tension reducing winch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751638.3U CN211895571U (en) | 2019-10-18 | 2019-10-18 | Non-parallel type double-friction roller tension reducing winch device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697516A (en) * | 2019-10-18 | 2020-01-17 | 南京中船绿洲机器有限公司 | Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697516A (en) * | 2019-10-18 | 2020-01-17 | 南京中船绿洲机器有限公司 | Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof |
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