CN109835838B - Single rope friction type elevator - Google Patents
Single rope friction type elevator Download PDFInfo
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- CN109835838B CN109835838B CN201910176071.XA CN201910176071A CN109835838B CN 109835838 B CN109835838 B CN 109835838B CN 201910176071 A CN201910176071 A CN 201910176071A CN 109835838 B CN109835838 B CN 109835838B
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Abstract
The single rope friction type elevator comprises a motor, a connecting disc, a bidirectional brake, a small tooth difference speed reducer, a connecting plate and a driving wheel; the connection pad is installed in the motor left side, two-way brake sets up on the main shaft of motor, little tooth difference speed reducer installs in the left side of connection pad, the connecting plate sets up in the left side of little tooth difference speed reducer, the power drive shaft of little tooth difference speed reducer wears out the connecting plate and coaxial arrangement has the drive wheel on the left of, annular rope groove has been seted up to the outer circumference of drive wheel, the left side upper portion rotation of connecting plate is provided with back rope sheave and preceding rope sheave, around being equipped with the lifting rope in the annular rope groove, the connecting plate left side is provided with the outside that is used for compressing tightly the lifting rope and strengthens the mechanism, the connecting plate lower part is provided with rings. The invention has simple and compact structure, small volume, light weight, low cost, convenient assembly and disassembly, adopts a single rope to carry out lifting operation, automatically adjusts the friction force according to the weight of a lifting weight, ensures the lifting efficiency and has strong safety and reliability.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a single-rope friction elevator.
Background
Elevators are widely used in many industries. As one of the hoisting machines, the single rope friction type hoisting machine has the remarkable advantages of high hoisting height, high safety coefficient of nylon braided ropes, low power consumption of the motor and the like. However, the existing single-rope friction type elevator has the defects of complex structure, high manufacturing cost, large volume, heavy weight and the like, and is very inconvenient to operate in practical application.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the single rope friction type elevator which is simple in structure, small in size, light in weight and low in manufacturing cost.
In order to solve the technical problems, the invention adopts the following technical scheme: the single rope friction type elevator comprises a motor, a connecting disc, a bidirectional brake, a small tooth difference speed reducer, a connecting plate and a driving wheel; the main shaft level of motor sets up, the through-hole has been seted up at the center of connection pad, the connection pad is installed in the motor left side and the main shaft coaxial line of motor stretches into in the through-hole, two-way brake sets up in the through-hole and cooperates with the main shaft of motor, little tooth difference speed reducer is installed in the left side of connection pad, the main shaft of motor is connected with the power input transmission of little tooth difference speed reducer, the connecting plate sets up in the left side of little tooth difference speed reducer, little tooth difference speed reducer's power take off end coaxial line transmission is connected with the drive shaft, the drive shaft wears out the connecting plate and coaxial mounting has the drive wheel and is located the locating nut of drive wheel left side to the left, annular rope groove has been seted up to the outer circumference of drive wheel, the upper portion rotation in the left side of connecting plate is provided with back guide sheave and preceding guide sheave, around being equipped with the lifting rope in the annular rope groove, the lower side vertically upwards extends before the guide sheave is walked around to lifting rope one end, the upper side is walked around preceding guide sheave back upper side towards the front below extension, the outside that is provided with the outside that is located the lifting rope, the lifting ring is used for compressing tightly lifting rope's friction strengthening mechanism, the connecting plate lower part is provided with rings.
The friction force reinforcing mechanism comprises a first tensioning belt wheel, a first guiding belt wheel, a movable belt wheel, a second guiding belt wheel and a second tensioning belt wheel which are arranged clockwise, wherein the first tensioning belt wheel is located at the front lower part of the front guiding belt wheel, the second tensioning belt wheel is located at the rear lower part of the rear guiding belt wheel, rear-side upper parts, front-side upper parts and right lower parts of the connecting plate are respectively provided with a rear adjusting long hole, a front adjusting long hole and a lower guiding hole which are all right-left transparent, the rear adjusting long hole is arranged in a front-high-rear low-inclination mode, the front adjusting long hole is arranged in a front-low-rear high-inclination mode, the length direction of the lower guiding hole is arranged in a vertical direction, a central shaft of the first tensioning belt wheel penetrates through the front adjusting long hole and is fixedly connected with the connecting plate through a first nut component, a central shaft of the second tensioning belt wheel penetrates through the rear adjusting long hole and is fixedly connected with the connecting plate through a second nut component, the central shaft of the movable belt wheel penetrates into the lower guiding hole, the first guiding belt wheel is located at the front upper part of the movable belt wheel, the second guiding belt wheel is located at the rear upper part of the movable belt wheel, the front upper part of the second guiding belt wheel is provided with a lifting belt wheel, the first tensioning belt pulley, the movable belt pulley, the second guiding belt wheel and the second guiding belt wheel are provided with a lifting belt wheel and the lifting belt is provided with a slightly smaller than the annular rope ring-shaped rope.
The connecting plate is the disc, the integrative fixed mounting panel that is equipped with of lower extreme of connecting plate, the left surface of mounting panel is fixed to be equipped with the guide pin bushing, the lower pilot hole is along the central line of length direction, the central line coincidence of the perpendicular ascending central line of guide pin bushing and lifting rope round back guide sheave and this central line and the perpendicular crossing of central line of drive wheel, rings include that upper portion is U type structure and lower lath structure, the movable pulley lower part stretches into in the U type structure and the center pin of movable pulley passes the left and right sides of U type structure, lath structure passes guide pin bushing and lath structure's upper end and the bottom fixed connection of U type structure, the hanging hole has been seted up to lath structure's lower extreme level.
The motor is connected with the connecting disc through a plurality of long bolts horizontally arranged, the connecting disc is provided with a mounting hole along the radial direction, the bidirectional brake is fixedly arranged in a through hole of the connecting disc through a screw penetrating through the mounting hole, the left side of the connecting disc is fixedly connected with the right side of the small-tooth-difference speed reducer through a plurality of first short bolts, and the left side of the connecting plate is fixedly connected with the left side of the small-tooth-difference speed reducer through a plurality of second short bolts.
By adopting the technical scheme, the motor is powered by the storage battery. The motor drives the speed reducer with small tooth difference to rotate through the bidirectional brake, so as to drive the driving wheel to rotate. The motor can rotate bidirectionally; when the motor is not moving, the driving wheel cannot rotate in the forward and reverse directions under the action of the bidirectional brake. The hoisting rope is made of chemical fiber braided rope and is wound in an annular rope groove on the circumference of the driving wheel, and the outer ring of the hoisting rope presses the hoisting rope in the annular rope groove by using five belt wheels and belts wound on the five belt wheels. When a heavy object is hung below the hanging ring, the movable belt wheel can be pulled to move downwards along the lower guide hole, so that the belt can be further tensioned, the inner ring of the belt is tightly pressed against the lifting rope, and the friction force between the lifting rope and the driving wheel is increased. In the invention, the upper end and the lower end of the lifting rope are fixed, the upper end of the lifting rope is fixed at a high position, and when the motor drives the driving wheel to rotate, the driving wheel can ascend or descend along with the direction of the lifting rope under the action of friction force. Thereby driving the goods under the hanging ring to move, and transporting the goods to a specified position along the direction of the lifting rope.
The belt is an annular flat belt, and the hoisting rope is firmly pressed in the annular rope groove and can not be separated from the annular rope groove through the five belt wheels (the first tensioning belt wheel, the first guiding belt wheel, the movable belt wheel, the second guiding belt wheel and the second tensioning belt wheel), so that the friction force between the driving wheel and the hoisting rope is increased.
The first tensioning belt wheel moves the central shaft to the front adjusting long hole through operating the first nut component so as to adjust the tension of the belt, and the second tensioning belt wheel moves the central shaft to the rear adjusting long hole through operating the second nut component so as to adjust the tension of the belt. The first guide belt wheel and the second guide belt wheel are fixed at a certain position of the connecting plate to rotate. The movable belt pulley pulls the movable belt pulley downwards under the action of the gravity of the heavy object hung on the hanging ring, the movable belt pulley further tightens the belt, the inner ring of the belt tightly presses the lifting rope, and the friction force between the lifting rope and the driving wheel is increased. The friction force increasing mode is used for increasing the weight of different cargoes proportionally, so that the condition that the lifting efficiency is influenced for increasing the friction force is avoided.
The motor, the connecting disc, the bidirectional brake, the small tooth difference speed reducer and the connecting plate are connected by bolts or screws, so that the motor, the connecting disc, the bidirectional brake, the small tooth difference speed reducer and the connecting plate are convenient to install, overhaul and detach.
In conclusion, the invention has the advantages of simple and compact structure, small volume, light weight, low manufacturing cost, convenient assembly and disassembly, adopts a single rope to carry out lifting operation, automatically adjusts the friction force according to the weight of a lifting weight, ensures the lifting efficiency, and has strong safety and reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a left side view of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the single rope friction type elevator of the invention comprises a motor 1, a connecting disc 2, a bidirectional brake 3, a small tooth difference speed reducer 4, a connecting plate 5 and a driving wheel 6; the main shaft level of motor 1 sets up, the through-hole has been seted up at the center of connection pad 2, the connection pad 2 is installed in motor 1 left side and the main shaft coaxial line of motor 1 stretches into in the through-hole, two-way brake 3 sets up in the through-hole and cooperates with motor 1's main shaft, little tooth difference speed reducer 4 installs in connection pad 2's left side, motor 1's main shaft and little tooth difference speed reducer 4's power input end transmission connection, connecting plate 5 sets up in little tooth difference speed reducer 4's left side, little tooth difference speed reducer 4's power take off end coaxial line transmission is connected with drive shaft 7, drive shaft 7 wears out connecting plate 5 to the left and coaxial mounting has drive wheel 6 and the locating nut 8 that is located drive wheel 6 left side, annular rope groove 31 has been seted up to drive wheel 6's outer circumference, the left side upper portion rotation of connecting plate 5 is provided with back guide rope wheel 9 and preceding guide rope wheel 10, around being equipped with lifting rope 11 in the annular rope groove 31, lifting rope 11 one end is walked around back guide rope 9 front downside upwards extends, lifting rope 11 other end is walked around preceding upper side towards the front lower side, lifting rope 5 left side is provided with the external friction reinforcing mechanism that is used for lifting rope 11, lifting ring 5 is provided with the lifting ring friction portion.
The friction force reinforcing mechanism comprises a first tensioning belt pulley 12, a first guiding belt pulley 13, a movable belt pulley 14, a second guiding belt pulley 15 and a second tensioning belt pulley 16 which are arranged clockwise, the first tensioning belt pulley 12 is positioned at the front lower part of the front guiding rope pulley 10, the second tensioning belt pulley 16 is positioned at the rear lower part of the rear guiding rope pulley 9, rear side upper parts, front side upper parts and right lower parts of the connecting plates 5 are respectively provided with rear adjusting long holes 17, front adjusting long holes 18 and lower guiding holes 19 which are all right and left through, the rear adjusting long holes 17 are arranged in a front-high and rear-low inclined manner, the front adjusting long holes 18 are arranged in a front-low and rear-high inclined manner, the length direction of the lower guiding holes 19 are arranged in a vertical direction, the center shaft of the first tensioning belt pulley 12 is arranged in the front adjusting long hole 18 in a penetrating mode and is fixedly connected with the connecting plate 5 through the first nut component, the center shaft of the second tensioning belt pulley 16 is arranged in the rear adjusting long hole 17 in a penetrating mode and is fixedly connected with the connecting plate 5 through the second nut component, the center shaft of the movable belt pulley 14 is arranged in the lower guide hole 19 in a penetrating mode, the first guide belt pulley 13 is located at the front upper portion of the movable belt pulley 14, the second guide belt pulley 15 is located at the rear upper portion of the movable belt pulley 14, an annular belt 20 is wound on the first tensioning belt pulley 12, the first guide belt pulley 13, the movable belt pulley 14, the second guide belt pulley 15 and the second tensioning belt pulley 16, the radius of the cross section of the annular rope groove 31 is slightly smaller than the radius of the lifting rope 11, and the inner ring of the annular belt 20 is in press fit with the outer ring of the lifting rope 11.
The connecting plate 5 is the disc, the integrated mounting panel 21 that is equipped with of the bottommost of connecting plate 5, the left surface of mounting panel 21 is fixed and is equipped with guide pin bushing 22, the central line of lower guiding hole 19 along length direction, the central line of guide pin bushing 22 and lifting rope 11 walk around back guide rope wheel 9 perpendicular ascending central line coincidence and this central line and the perpendicular crossing of central line of drive wheel 6, rings are U type structure 23 and lower slat structure 24 including upper portion, the movable pulley 14 lower part stretches into in the U type structure 23 and the center pin of movable pulley 14 passes the left and right sides of U type structure 23, slat structure 24 passes guide pin bushing 22 and the upper end of slat structure 24 and the bottom fixed connection of U type structure 23, hanging hole 25 has been seted up to slat structure 24's lower tip level.
The motor 1 is connected with the connecting disc 2 through a plurality of long bolts 26 horizontally arranged, the connecting disc 2 is provided with a mounting hole 27 along the radial direction, the bidirectional brake 3 is fixedly mounted in a through hole of the connecting disc 2 through a screw 28 penetrating through the mounting hole 27, the left side of the connecting disc 2 is fixedly connected with the right side of the small-tooth-difference speed reducer 4 through a plurality of first short bolts 29, and the left side of the connecting plate 5 is fixedly connected with the small-tooth-difference speed reducer 4 through a plurality of second short bolts 30.
The motor 1, the bidirectional brake 3 and the small-tooth-difference speed reducer 4 are all conventional technologies and are available in the market, and specific structures thereof are not repeated here.
The motor 1 in the present invention is powered by a battery. The motor 1 drives the small tooth difference speed reducer 4 to rotate through the bidirectional brake 3, so as to drive the driving wheel 6 to rotate. The motor 1 can rotate bidirectionally; when the motor 1 is not moving, the driving wheel 6 cannot rotate in the forward and reverse directions under the action of the bidirectional brake 3. The hoisting rope 11 is made of chemical fiber braided rope and is wound in an annular rope groove 31 on the circumference of the driving wheel 6, and the outer ring of the hoisting rope 11 presses the hoisting rope 11 in the annular rope groove 31 by using five belt wheels and a belt 20 wound on the five belt wheels. When a heavy object is hung below the hanging ring, the movable belt wheel 14 can be pulled to move downwards along the lower guide hole 19, so that the belt 20 can be further tensioned, the inner ring of the belt 20 is tightly pressed against the lifting rope 11, and the friction force between the lifting rope 11 and the driving wheel 6 is increased. In the invention, the upper end and the lower end of the lifting rope 11 are fixed, the upper end of the lifting rope 11 is fixed at a high position, and when the motor 1 drives the driving wheel 6 to rotate, the driving wheel 6 can ascend or descend along with the direction of the lifting rope 11 under the action of friction force. Thereby driving the goods under the hanging ring to move and transporting the goods to a specified position along the direction of the lifting rope 11.
In the invention, the belt 20 is an annular flat plate belt, and the lifting rope 11 is firmly pressed in the annular rope groove 31 and can not be separated through five belt wheels (the first tensioning belt wheel 12, the first guiding belt wheel 13, the movable belt wheel 14, the second guiding belt wheel 15 and the second tensioning belt wheel 16) to be tightly attached to the surface of the annular rope groove 31 so as to increase the friction force between the driving wheel 6 and the lifting rope 11.
The first tension pulley 12 moves the center shaft forward adjustment long hole 18 by operating the first nut assembly to adjust the tension of the belt 20, and the second tension pulley 16 moves the center shaft rearward adjustment long hole 17 by operating the second nut assembly to adjust the tension of the belt 20. The first guide pulley 13 and the second guide pulley 15 are each fixed to rotate at a certain position of the connecting plate 5. The movable belt pulley 14 pulls the movable belt pulley 14 downwards under the action of the gravity of the heavy object hung on the hanging ring, the movable belt pulley 14 further tightens the belt 20, the inner ring of the belt 20 is tightly pressed on the lifting rope 11, and the friction force between the lifting rope 11 and the driving wheel 6 is increased. The friction force increasing mode is used for increasing the weight of different cargoes proportionally, so that the condition that the lifting efficiency is influenced for increasing the friction force is avoided.
The motor 1, the connecting disc 2, the bidirectional brake 3, the small tooth difference speed reducer 4 and the connecting plate 5 are connected by bolts or screws, so that the installation, the maintenance and the disassembly are convenient.
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. Single rope friction type elevator, its characterized in that: the device comprises a motor, a connecting disc, a bidirectional brake, a small tooth difference speed reducer, a connecting plate and a driving wheel; the main shaft of the motor is horizontally arranged, the center of the connecting disc is provided with a through hole, the connecting disc is arranged on the left side of the motor, the main shaft of the motor coaxially stretches into the through hole, the bidirectional brake is arranged in the through hole and matched with the main shaft of the motor, the small-tooth-difference speed reducer is arranged on the left side of the connecting disc, the main shaft of the motor is in transmission connection with the power input end of the small-tooth-difference speed reducer, the connecting plate is arranged on the left side of the small-tooth-difference speed reducer, the power output end of the small-tooth-difference speed reducer is coaxially connected with a driving shaft, the driving shaft penetrates out of the connecting plate leftwards and is coaxially provided with a driving wheel and a positioning nut positioned on the left side of the driving wheel, the outer circumference of the driving wheel is provided with an annular rope groove, the upper part of the left side of the connecting plate is rotationally provided with a rear guide rope wheel and a front guide rope wheel, a lifting rope is wound in the annular rope groove, one end of the lifting rope winds around the front lower side of the rear guide rope vertically upwards, the other end of the lifting rope winds around the front guide rope wheel and the upper side of the front guide rope towards the lower side, the left side of the connecting plate is provided with a friction force reinforcing mechanism positioned on the left side of the lifting rope, the lifting rope is used for pressing the lifting rope, and the lifting ring is arranged on the lower part of the connecting plate;
the friction force reinforcing mechanism comprises a first tensioning belt wheel, a first guide belt wheel, a movable belt wheel, a second guide belt wheel and a second tensioning belt wheel which are arranged clockwise, wherein the first tensioning belt wheel is positioned at the front lower part of the front guide belt wheel, the second tensioning belt wheel is positioned at the rear lower part of the rear guide belt wheel, rear side upper parts, front side upper parts and right lower parts of the connecting plate are respectively provided with a rear adjusting long hole, a front adjusting long hole and a lower guide hole which are all right and left through, the rear adjusting long hole is arranged in a front high-rear low-inclination manner, the front adjusting long hole is arranged in a front low-rear high-inclination manner, the length direction of the lower guide hole is arranged in a vertical direction, a central shaft of the first tensioning belt wheel is arranged in the front adjusting long hole in a penetrating manner and fixedly connected with the connecting plate through a first nut component, a central shaft of the second tensioning belt wheel is arranged in the rear adjusting long hole in a penetrating manner and fixedly connected with the connecting plate through a second nut component, the central shaft of the movable belt wheel is arranged in the lower guide hole in the penetrating manner, the first guide belt wheel is positioned at the front upper part of the movable belt wheel, the second guide belt wheel is positioned at the rear upper part of the movable belt wheel, the first tensioning belt wheel, the movable belt wheel, the second guide belt wheel and the lifting belt wheel and the second guide belt wheel and the lifting belt wheel are provided with a slightly smaller than the annular rope winding diameter of an annular rope pulley is arranged on the lifting belt;
the lifting ring comprises a U-shaped structure and a lower slat structure, the upper part of the slat structure is the U-shaped structure, the lower part of the movable belt pulley stretches into the U-shaped structure, the central shaft of the movable belt pulley penetrates through the left side and the right side of the U-shaped structure, the slat structure penetrates through the guide sleeve, the upper end of the slat structure is fixedly connected with the bottom of the U-shaped structure, and a lifting hole is horizontally formed in the lower end part of the slat structure;
the motor is connected with the connecting disc through a plurality of long bolts horizontally arranged, the connecting disc is provided with a mounting hole along the radial direction, the bidirectional brake is fixedly arranged in a through hole of the connecting disc through a screw penetrating through the mounting hole, the left side of the connecting disc is fixedly connected with the right side of the small-tooth-difference speed reducer through a plurality of first short bolts, and the left side of the connecting plate is fixedly connected with the left side of the small-tooth-difference speed reducer through a plurality of second short bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176071.XA CN109835838B (en) | 2019-03-08 | 2019-03-08 | Single rope friction type elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176071.XA CN109835838B (en) | 2019-03-08 | 2019-03-08 | Single rope friction type elevator |
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| CN109835838A CN109835838A (en) | 2019-06-04 |
| CN109835838B true CN109835838B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910176071.XA Active CN109835838B (en) | 2019-03-08 | 2019-03-08 | Single rope friction type elevator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255370A (en) * | 2019-07-23 | 2019-09-20 | 河南巨人起重机集团有限公司 | A kind of automobile-used safety pulley component in unattended day |
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| CN102188796B (en) * | 2011-05-12 | 2013-07-10 | 杭州双华科技有限公司 | Portable dynamic rope climbing device and rope climbing method |
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| US10461513B2 (en) * | 2014-04-08 | 2019-10-29 | Wall Industries Inc. | Apparatus for moving a line cart along a cable |
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| GB1599586A (en) * | 1977-09-22 | 1981-10-07 | Power Climber Inc | Hoist apparatus |
| US6814185B1 (en) * | 2003-05-15 | 2004-11-09 | Meyer Ostrobrod | Descent controller with safety brake |
| CN101823677A (en) * | 2010-05-17 | 2010-09-08 | 潍坊万仞机电科技有限公司 | Self-lifting load carrying device |
| CN101870437A (en) * | 2010-05-19 | 2010-10-27 | 中交第四航务工程局有限公司 | Electric climbing device and application device thereof |
| CN105148418A (en) * | 2015-09-11 | 2015-12-16 | 北京宏景时代科技有限公司 | Method for achieving constant-speed descending of descent control device and constant-speed descent control device |
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| CN107569787A (en) * | 2017-11-09 | 2018-01-12 | 内蒙古农业大学 | Portable rope-climbing device with adaptive tensioning apparatus |
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