CN109693991B - Multi-acting-force balancing system with ropes wound in same direction - Google Patents
Multi-acting-force balancing system with ropes wound in same direction Download PDFInfo
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- CN109693991B CN109693991B CN201811532708.6A CN201811532708A CN109693991B CN 109693991 B CN109693991 B CN 109693991B CN 201811532708 A CN201811532708 A CN 201811532708A CN 109693991 B CN109693991 B CN 109693991B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
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Abstract
The invention discloses a multi-acting-force balance system with ropes wound in the same direction, which comprises n lifting steel wire ropes connected with a lifting container, 2n-2 fixed wheel groups and n movable wheel groups, wherein each movable wheel group comprises a front movable wheel and a rear movable wheel which are arranged on a transmission shaft of the same movable wheel group and act synchronously, a connecting block is arranged on a transmission shaft of the movable wheel group between the front movable wheel and the rear movable wheel, the lifting steel wire ropes are connected with the connecting block, each fixed wheel group comprises a front fixed wheel, a middle fixed wheel and a rear fixed wheel which are arranged on the transmission shaft of the same fixed wheel group and act synchronously, and the front end and the rear end of the transmission shaft of the fixed wheel group are respectively fixed on the lifting container through. The invention effectively solves the problem of unbalanced tension in the multi-rope lifting process, and the lifting process is stable and reliable, the tension adjusting process is stable, and the service life and the safety factor of the lifting system are improved.
Description
Technical Field
The invention relates to a multi-rope lifting device, in particular to a multi-acting-force balancing system with ropes wound in the same direction, and belongs to the technical field of mine lifting, elevator lifting and the like.
Background
The multi-rope lifting system is applied to coal, metal, personnel and materials in high buildings and the like, and is mainly applied to lifting minerals, equipment and lifting personnel in China in a vertical shaft. Multi-rope hoist systems have many advantages over other hoist systems, but there are correspondingly more technical problems that are difficult to solve, especially with respect to tension imbalance. The unbalanced tension can cause early abrasion and scrap of the steel wire rope, even rope breakage accidents occur, and the safe operation of the multi-rope lifting system is directly influenced.
In the prior art, a plurality of methods for realizing tension balance among a plurality of ropes are available, such as lever type, hydraulic type, spring type and the like, but the lever type can only be used in a common shallow shaft, and the tension balance can not be realized for a deep shaft lifting system; the spring type elevator is mostly applied to elevators in lower hoistways due to limited adjusting capacity; hydraulic is used in mines, but the sealing problem is difficult to solve, and the maintenance cost is high, so the application range is narrow.
Disclosure of Invention
In order to overcome various defects in the prior art, the invention provides the multi-acting-force balance system with the rope system wound in the same direction, which effectively solves the problem of unbalanced tension in the multi-rope lifting process, and has the advantages of stable and reliable lifting process, stable tension adjusting process and prolonged service life and safety factor of the lifting system.
In order to achieve the purpose, the invention discloses a multi-acting-force balance system with ropes wound in the same direction, which comprises n lifting steel wire ropes connected with a lifting container, 2n-2 fixed wheel sets and n movable wheel sets, wherein each movable wheel set comprises a front movable wheel and a rear movable wheel which are arranged on a transmission shaft of the same movable wheel set and act synchronously, a connecting block is arranged on a transmission shaft of the movable wheel set between the front movable wheel and the rear movable wheel, the lifting steel wire ropes are connected with the connecting block, each fixed wheel set comprises a front fixed wheel, a middle fixed wheel and a rear fixed wheel which are arranged on a transmission shaft of the same fixed wheel set and act synchronously, and the front end and the rear end of the transmission shaft of the fixed wheel set are respectively fixed on the;
the wheel sets arranged on the two side edges comprise an edge driving wheel set and an edge fixed wheel set, and the middle wheel set arranged in the middle comprises a middle driving wheel set, a middle and middle fixed wheel set and a middle and lower fixed wheel set; the side moving front wheel of one side wheel set is connected with a fixed block fixed on the lifting container through an adjusting steel wire rope, the side moving rear wheel is connected with the side fixed rear wheel through an adjusting steel wire rope, and the winding directions of the two sections of adjusting steel wire ropes are opposite;
the side centering wheel is connected with the middle and upper centering wheel through an adjusting steel wire rope, the side fixed front wheel is connected with the middle and upper fixed front wheel through an adjusting steel wire rope, and the winding directions of the two steel wire ropes are opposite;
the middle movable rear wheel is connected with the middle and upper fixed rear wheels through an adjusting steel wire rope, the middle movable front wheel is connected with the middle and lower fixed front wheels through an adjusting steel wire rope, and the winding directions of the two sections of adjusting steel wire ropes are opposite;
when the number of the hoisting steel wire ropes is even, the side wheel groups and the wheel groups of the middle wheel group are symmetrically arranged; the middle lower fixed rear wheel is connected with the middle lower fixed rear wheel of the other middle wheel set through an adjusting steel wire rope, the middle lower fixed middle wheel is connected with the middle lower middle wheel of the other middle wheel set through an adjusting steel wire rope, and the winding directions of the two sections of adjusting steel wire ropes are opposite;
when the number of the hoisting steel wire ropes is odd, all the wheel sets of the middle wheel set are symmetrically arranged; the middle lower fixed rear wheel is connected with the middle lower fixed rear wheel of the other middle wheel set or the side fixed rear wheel of the side wheel set through an adjusting steel wire rope, the middle lower fixed middle wheel is connected with the middle lower fixed rear wheel of the other middle wheel set or the side fixed rear wheel of the side wheel set through an adjusting steel wire rope, and the winding directions of the two sections of adjusting steel wire ropes are opposite;
the side moving rear wheel of the side wheel set on the other side is connected with another fixed block fixed on the lifting container through an adjusting steel wire rope, the side moving front wheel is connected with the side fixed front wheel through an adjusting steel wire rope, and the winding directions of the two sections of adjusting steel wire ropes are opposite.
Furthermore, the front driving wheel and the rear driving wheel are both arranged on a driving wheel set transmission shaft through keys; the front fixed wheel, the middle fixed wheel and the rear fixed wheel are all arranged on a transmission shaft of the fixed wheel set through keys.
Furthermore, the edge driving wheel set and the middle driving wheel set are arranged at the same horizontal height or different horizontal heights, the transmission shafts of the rows and the transmission shafts of the fixed roller are arranged in parallel, and the alignment of the wheel grooves of every two pulleys connected through the adjusting steel wire rope is ensured.
Furthermore, the edge driving wheel set and the middle driving wheel set move up and down along the vertical direction and drive the corresponding edge driving wheels to rotate.
The end part of each adjusting steel wire rope is wound for two circles on each pulley and is fixed, and the winding directions of the two pulleys connected on the same adjusting steel wire rope are opposite.
When the tension of a certain hoisting steel wire rope is too large and the tension of the hoisting steel wire rope is smaller, the tension of the adjusting steel wire rope on the movable wheel group connected with the hoisting steel wire rope with larger tension is also larger, the movable wheel set is connected with one fixed wheel in the fixed wheel set through the adjusting steel wire rope, so that the fixed wheel set is subjected to a larger pulling force in a rotating direction, and the transmission shaft of the same fixed wheel set is also provided with other fixed wheels, other fixed wheels are respectively connected with the fixed wheel group with smaller adjacent tension through adjusting the steel wire rope, so the fixed wheel group is simultaneously subjected to smaller tension with opposite rotation directions, the moment imbalance causes the wheel shaft of the fixed wheel group to rotate towards larger tension, thereby the adjusting steel wire rope on the movable wheel set is loosened, the movable wheel set moves upwards under the action of the pulling force of the lifting steel wire rope, thereby reducing the tension on the hoisting ropes until the tension on each hoisting rope reaches dynamic balance.
The invention solves the problem of unbalanced tension in the existing multi-rope lifting process, and has the following advantages: 1. the steel wire rope is wound, so that the service life of the steel wire rope is prolonged, and the safety is ensured; 2. the fixed wheel set is combined with the movable wheel set and consists of a plurality of wheels, so that the component force on each wheel is effectively reduced, and the stability of vertical adjustment is improved; 3. the number of the steel wire ropes which can be balanced according to needs is correspondingly increased, the number of the middle wheel sets is correspondingly increased, and the application range is wider.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the driving pulley set of the present invention;
FIG. 3 is a schematic structural view of a fixed wheel set of the present invention;
FIG. 4 is a schematic plan view of a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a three-plane structure according to an embodiment of the present invention;
in the figure: 1. a side wheel group; 1-1, a side driving wheel set; 1-1-1, moving the rear wheel at the same time; 1-1-2, moving the front wheel at the same time; 1-1-3, connecting blocks; 1-1-4, driving wheel set transmission shaft; 1-2, fixing the wheel set at the edge; 1-2-1, fixing the rear wheel; 1-2-2, fixing the front wheel; 1-2-3, fixing a middle wheel at the edge; 1-2-4, a fixed wheel set transmission shaft; 1-2-5, bearing seats; 2. a middle wheel set; 2-1, a middle moving wheel group; 2-1-1, middle moving rear wheel; 2-1-2, a middle-acting front wheel; 2-2, middle and upper fixed wheel sets; 2-2-1, middle and upper fixed rear wheels; 2-2-2, middle upper fixed front wheel; 2-2-3, middle upper fixed wheel; 2-3, a middle lower fixed wheel set; 2-3-1, middle and lower fixed rear wheels; 2-3-2, a middle lower fixed front wheel; 2-3-3, a middle lower fixed middle wheel; 3. adjusting the steel wire rope; 4. a fixed block; 5. and hoisting the steel wire rope.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments. For convenience of description, the front part in fig. 1 is defined as front, the rear part is defined as rear, and the fixed wheel set of the same specification is divided into an edge fixed wheel set and a middle fixed wheel set according to different positions, and the movable wheel set of the same specification is divided into an edge movable wheel set and a middle movable wheel set according to different positions;
example one
A multi-acting-force balance system for homodromous winding of four-rope ropes comprises four lifting steel wire ropes 5 connected with a lifting container, six fixed wheel groups and four movable wheel groups as shown in figure 1, wherein each movable wheel group comprises a front movable wheel and a rear movable wheel which are arranged on a transmission shaft 1-1-4 of the same movable wheel group and synchronously act, a connecting block 1-1-3 is arranged on the transmission shaft of the movable wheel group between the front movable wheel and the rear movable wheel, the lifting steel wire ropes 5 are connected with the connecting blocks 1-1-3, as shown in figure 3, each fixed wheel group comprises a front fixed wheel, a middle fixed wheel and a rear fixed wheel which are arranged on the transmission shaft 1-2-4 of the same fixed wheel group and synchronously act, and the front end and the rear end of each fixed wheel group transmission shaft are respectively fixed on the lifting container through bearing seats 1-2-5;
FIG. 2 illustrates an edge moving wheel set, and other moving wheel sets have the same structure; FIG. 3 illustrates an example of a side fixed wheel set, and other fixed wheel sets have the same structure;
according to the arrangement position, the device comprises two side wheel sets 1 arranged at two sides and two middle wheel sets 2 arranged in the middle; the side wheel set comprises a side movable wheel set 1-1 and a side fixed wheel set 1-2, and the middle wheel set 2 arranged in the middle comprises a middle movable wheel set 2-1, a middle upper fixed wheel set 2-2 and a middle lower fixed wheel set 2-3; the side moving front wheel 1-1-2 of the left side wheel set 1 is connected with a fixed block 4 fixed on a lifting container through an adjusting steel wire rope 3, the side moving rear wheel 1-1 is connected with the side fixed rear wheel 1-2-1 through the adjusting steel wire rope 3, and the winding directions of the two sections of adjusting steel wire ropes 3 are opposite;
the side centering wheel 1-2-3 is connected with the middle upper centering wheel 2-2-3 through an adjusting steel wire rope 3, the side fixed front wheel 1-2-2 is connected with the middle upper centering wheel 2-2-2 through an adjusting steel wire rope 3, and the winding directions of the two steel wire ropes are opposite;
the middle movable rear wheel 2-1-1 is connected with the middle fixed rear wheel 2-2-1 through an adjusting steel wire rope 3, the middle movable front wheel 2-1-2 is connected with the middle fixed front wheel 2-3-2 through an adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite;
the middle lower fixed rear wheel 2-3-1 is connected with the middle lower fixed rear wheel 2-3-1 of the other middle wheel set through an adjusting steel wire rope 3, the middle lower fixed middle wheel 2-3-3 is connected with the middle lower fixed middle wheel 2-3-3 of the other middle wheel set through an adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite;
a middle and lower fixed front wheel 2-3-1 of the other middle wheel set is connected with a middle and upper movable front wheel 2-1-2 of the middle wheel set through an adjusting steel wire rope 3, a middle and movable rear wheel 2-1 is connected with a middle and upper fixed rear wheel 2-2-1 of the middle wheel set through an adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite; the middle upper fixed front wheel 2-2-2 is connected with the side fixed front wheel 1-2-2 in the other side wheel set through an adjusting steel wire rope 3, the middle upper fixed middle wheel 2-2-3 is connected with the side fixed middle wheel 1-2-3 through the adjusting steel wire rope 3, and the winding directions of the two sections of adjusting steel wire ropes 3 are opposite;
the side moving front wheel 1-1-2 in the wheel group at the other side is connected with another fixed block 4 fixed on the lifting container through an adjusting steel wire rope 3, the side moving rear wheel 1-1 is connected with the side fixed rear wheel 1-2-1 through the adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite.
The front driving wheel and the rear driving wheel are both arranged on the driving wheel set transmission shaft through keys; the front fixed wheel, the middle fixed wheel and the rear fixed wheel are all arranged on a transmission shaft of the fixed wheel set through keys.
Furthermore, the side movable wheel set 1-1 and the middle movable wheel set 2-1 are installed at the same horizontal height, the transmission shafts of the rows and the transmission shafts of the fixed roller are all arranged in parallel, and the alignment of the wheel grooves of every two pulleys connected through the adjusting steel wire rope is ensured.
Furthermore, the edge moving wheel set 1-1 and the middle moving wheel set 2-1 both move up and down along the vertical direction and drive the corresponding edge moving wheels to rotate.
The end part of each adjusting steel wire rope 3 is wound for two circles on each pulley and fixed, and the winding directions of the two pulleys connected on the same adjusting steel wire rope are opposite.
Example two
A many effort balanced system that is used for eight rope systems syntropy winding of rope, as shown in figure 4, including eight lifting wire rope 5 that link to each other with the lift container, still include fourteen fixed wheelsets and eight movable wheelsets, the connection winding form of each wheelset in limit wheelset and the well wheelset is the same with the embodiment one, and the difference lies in, the horizontal height at the difference is installed to limit movable wheelset 1-1 and well movable wheelset 2-1, and the equal parallel arrangement of transmission shaft, fixed cylinder transmission shaft in each row, and guarantees that the race of every two pulleys that connect through adjusting wire rope aligns.
EXAMPLE III
The multi-acting-force balancing system for the homodromous winding of the rope systems of the nine ropes comprises nine lifting steel wire ropes 5 connected with a lifting container, sixteen fixed wheel sets and nine movable wheel sets, wherein the connection winding mode of a left side wheel set and each wheel set in a first to a sixth middle wheel set is the same as that of the first embodiment, a seventh middle wheel set comprises a middle lower fixed rear wheel 2-3-1 connected with a side fixed rear wheel 1-2-1 in a right side wheel set through an adjusting steel wire rope 3, a middle lower fixed middle wheel 2-3-3 connected with the side fixed rear wheel 1-2-3 in the right side wheel set through the adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite;
the side moving rear wheel 1-1-1 of the right side wheel set 1 is connected with another fixed block 4 fixed on the lifting container through an adjusting steel wire rope 3, the side moving front wheel 1-1-2 is connected with the side fixed front wheel 1-2-2 through the adjusting steel wire rope 3, and the winding directions of the two adjusting steel wire ropes 3 are opposite.
Taking a four-rope tension balancing device on the same plane as an example, the principle of multi-rope tension balancing of the invention is explained in detail, as shown in fig. 1, when the tension of a lifting steel wire rope 5 on a middle wheel set 2 at the left end is too large, a fixed wheel set transmission shaft 1-2-4 in an upper middle fixed wheel set 2-2 and a fixed wheel set transmission shaft 1-2-4 in a lower middle fixed wheel set 2-3 both receive an unbalanced moment, so that the fixed wheel set transmission shaft 1-2-4 in the middle upper fixed wheel set 2-2 is respectively driven to rotate clockwise, the fixed wheel set transmission shaft 1-2-4 in the lower fixed wheel set 2-3 rotates anticlockwise, the adjusting steel wire ropes on a middle movable rear wheel 2-1-1 and a middle movable front wheel 2-1-2 are both loosened, and a movable wheel set transmission shaft in the middle wheel set 2 is raised vertically, thereby reducing the tension of the hoisting steel wire rope 5 on the left middle wheel set; meanwhile, a fixed wheel set transmission shaft in the middle wheel set 2 drives a fixed wheel set transmission shaft in the left side wheel set 1 to rotate clockwise through an adjusting steel wire rope 3, a fixed wheel set transmission shaft in the left side wheel set 1 drives a movable wheel set transmission shaft in the left side wheel set to rotate clockwise to adjust the steel wire rope 3, and a movable front wheel 1-1-2 at the left end is connected with a left end fixing block 4, so that the left end adjusting steel wire rope is tightened, the movable wheel set 1-1 at the left end moves downwards, and the tension of a left end lifting steel wire rope is increased; a fixed wheel set transmission shaft in the middle and lower fixed wheel sets rotates anticlockwise to drive a moving wheel set transmission shaft in the other middle moving wheel set 2-1 to rotate anticlockwise and drive a right middle fixed wheel set transmission shaft to rotate anticlockwise, so that the moving wheel set transmission shaft in the right middle moving wheel set 2-1 moves downwards, and the tension of a lifting steel wire rope 5 connected with the right middle wheel set is increased; the middle and upper fixed wheel set 2-2 on the right side drives the fixed wheel set 1-2 on the right side to rotate anticlockwise through the adjusting steel wire rope 3, the fixed wheel set 1-2 on the right side drives the movable rear wheel 1-1-1 on the right side to rotate anticlockwise, the movable rear wheel 1-1-1 on the right side rotates anticlockwise, the adjusting steel wire rope 3 connected with the fixed block 4 on the right side is tightened, the movable wheel set 1-1 on the right side moves downwards, the tension of the lifting steel wire rope 5 connected with the movable wheel set is increased, and therefore the tension among the lifting steel wire ropes can be always guaranteed to be dynamically balanced.
Claims (4)
1. A multi-acting-force balance system with ropes wound in the same direction comprises n lifting steel wire ropes (5) connected with a lifting container, and is characterized by further comprising 2n-2 fixed wheel groups and n movable wheel groups, wherein each movable wheel group comprises a front movable wheel and a rear movable wheel which are arranged on the same movable wheel group transmission shaft (1-1-4) and act synchronously, a connecting block (1-1-3) is arranged on the movable wheel group transmission shaft between the front movable wheel and the rear movable wheel, the lifting steel wire ropes (5) are connected with the connecting blocks (1-1-3), each fixed wheel group comprises a front fixed wheel, a middle fixed wheel and a rear fixed wheel which are arranged on the same fixed wheel group transmission shaft (1-2-4) and act synchronously, and the front end and the rear end of each fixed wheel group transmission shaft are fixed on the lifting container through bearing seats (1-2-5);
the wheel sets (1) arranged on the two sides comprise an edge moving wheel set (1-1) and an edge fixed wheel set (1-2), and the middle wheel set (2) arranged in the middle comprises a middle moving wheel set (2-1), a middle upper fixed wheel set (2-2) and a middle lower fixed wheel set (2-3); wherein, the side moving front wheel (1-1-2) of the side wheel set (1) is connected with a fixed block (4) fixed on the lifting container through an adjusting steel wire rope (3), the side moving rear wheel (1-1-1) is connected with the side fixed rear wheel (1-2-1) through the adjusting steel wire rope (3), and the winding directions of the two adjusting steel wire ropes (3) are opposite;
the side fixed middle wheel (1-2-3) is connected with the middle fixed middle wheel (2-2-3) through an adjusting steel wire rope (3), the side fixed front wheel (1-2-2) is connected with the middle fixed front wheel (2-2-2) through an adjusting steel wire rope (3), and the winding directions of the two steel wire ropes are opposite;
the middle movable rear wheel (2-1-1) is connected with the middle and upper fixed rear wheels (2-2-1) through an adjusting steel wire rope (3), the middle movable front wheel (2-1-2) is connected with the middle and lower fixed front wheels (2-3-2) through the adjusting steel wire rope (3), and the winding directions of the two adjusting steel wire ropes (3) are opposite;
when the number of the hoisting steel wire ropes (5) is even, all the wheel sets of the side wheel set (1) and the middle wheel set (2) are symmetrically arranged; the middle lower fixed rear wheel (2-3-1) is connected with the middle lower fixed rear wheel (2-3-1) of the other middle wheel set through an adjusting steel wire rope (3), the middle lower fixed middle wheel (2-3-3) is connected with the middle lower fixed middle wheel (2-3-3) of the other middle wheel set through an adjusting steel wire rope (3), and the winding directions of the two sections of adjusting steel wire ropes (3) are opposite;
when the number of the hoisting steel wire ropes (5) is odd, all the wheel sets of the middle wheel set (2) are symmetrically arranged; the middle lower fixed rear wheel (2-3-1) is connected with the middle lower fixed rear wheel (2-3-1) of the other middle wheel set or the side fixed rear wheel (1-2-1) of the side wheel set through an adjusting steel wire rope (3), the middle lower fixed middle wheel (2-3-3) is connected with the middle lower fixed middle wheel (2-3-3) of the other middle wheel set or the side fixed rear wheel (1-2-3) of the side wheel set through the adjusting steel wire rope (3), and the winding directions of the two sections of adjusting steel wire ropes (3) are opposite;
the side-moving rear wheel (1-1-1) of the side wheel set (1) at the other side is connected with another fixed block (4) fixed on the lifting container through an adjusting steel wire rope (3), the side-moving front wheel (1-1-2) is connected with the side-fixing front wheel (1-2-2) through the adjusting steel wire rope (3), and the winding directions of the two sections of adjusting steel wire ropes (3) are opposite;
the side moving wheel set (1-1) and the middle moving wheel set (2-1) move up and down along the vertical direction and drive the corresponding side moving wheels to rotate.
2. The multi-force balancing system with co-winding of ropes according to claim 1, wherein the front and rear wheels are mounted on the driving wheel set transmission shaft by means of keys; the front fixed wheel, the middle fixed wheel and the rear fixed wheel are all arranged on a transmission shaft of the fixed wheel set through keys.
3. The rope system equidirectional winding multi-acting-force balancing system according to claim 2, characterized in that the side-acting wheel set (1-1) and the middle-acting wheel set (2-1) are installed at the same level or different levels, the transmission shafts of the rows and the transmission shafts of the fixed roller are arranged in parallel, and the alignment of the wheel grooves of every two pulleys connected by the adjusting steel wire rope is ensured.
4. A co-wound multi-force balancing system according to any of claims 1 to 3, wherein the end of each adjusting cable (3) is wound twice around each pulley and fixed, and the two pulleys connected to the same adjusting cable are wound in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532708.6A CN109693991B (en) | 2018-12-14 | 2018-12-14 | Multi-acting-force balancing system with ropes wound in same direction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811532708.6A CN109693991B (en) | 2018-12-14 | 2018-12-14 | Multi-acting-force balancing system with ropes wound in same direction |
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| CN109693991A CN109693991A (en) | 2019-04-30 |
| CN109693991B true CN109693991B (en) | 2020-09-08 |
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| CN110745668A (en) * | 2019-11-27 | 2020-02-04 | 重庆迈高电梯有限公司 | Automatic tension balancing system for traction rope of elevator car |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2815598A1 (en) * | 1978-04-11 | 1979-10-25 | Ind Aufzuege Gmbh | Length compensated fixture for lifting cables - has compensation rollers and wheels within enclosed housing ensuring uniform load distribution |
| FR2462381A1 (en) * | 1979-07-30 | 1981-02-13 | Falcy Bernard | Automatic multi-cable system tension balancing device - has wires passing over series of parallel fixed and floating rollers mounted in housing |
| CN2892781Y (en) * | 2006-04-24 | 2007-04-25 | 邹晓明 | Elevator towline tension automatic balancing device |
| CN201125113Y (en) * | 2007-10-24 | 2008-10-01 | 贵州友益佳电梯有限公司 | Tension automatic balance security device of elevator horseline |
| CN105110140B (en) * | 2015-08-18 | 2017-07-07 | 中国矿业大学 | A kind of rope traction lifting system of loads change self adaptation |
| CN205472122U (en) * | 2016-01-25 | 2016-08-17 | 重庆迈高电梯有限公司 | Elevator rope tension automatic regulating apparatus |
| CN205381845U (en) * | 2016-01-26 | 2016-07-13 | 森赫电梯股份有限公司 | Automatic tensioning governing system of elevator rope |
| CN105752798A (en) * | 2016-05-18 | 2016-07-13 | 东南电梯股份有限公司 | Lifting steel wire rope tension balance adjusting device and method |
| CN106946120B (en) * | 2017-05-02 | 2019-02-19 | 中国矿业大学 | A kind of extra deep shaft hoisting container end steel wire rope tension regulating device and method |
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