CN108996366B - Balanced adjusting device of multiple spot effort system - Google Patents
Balanced adjusting device of multiple spot effort system Download PDFInfo
- Publication number
- CN108996366B CN108996366B CN201810735840.0A CN201810735840A CN108996366B CN 108996366 B CN108996366 B CN 108996366B CN 201810735840 A CN201810735840 A CN 201810735840A CN 108996366 B CN108996366 B CN 108996366B
- Authority
- CN
- China
- Prior art keywords
- tension adjusting
- roller
- shaft
- gear
- multipoint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims 5
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Transmission Devices (AREA)
Abstract
A multipoint acting force system equilibrium adjusting device is composed of a plurality of tension adjusting modules which are coaxially arranged between two end bearing seats, the number of the tension adjusting modules is consistent with the acting force number, each tension adjusting module comprises a shaft, an internal gear, a roller, a rope, a pinion and an intermediate gear, the shaft is sequentially provided with the internal gear, the roller and the intermediate gear which rotate around the shaft, the pinion on the roller and the roller form a planetary gear train combined structure, and two sides of the pinion are respectively engaged with the internal gear and the intermediate gear; the adjacent tension adjusting modules are connected with each other through a connecting piece to transmit torque, or the adjacent tension adjusting modules are connected into a whole through an intermediate bearing seat which is provided with a slip ring and fixed on a lifting container; the end bearing blocks are installed on the shaft through bearings and are fixedly connected with the tension adjusting modules located at the two ends through first connecting pieces. The invention overcomes the problem that a multipoint acting force system using a plurality of ropes, chains or other elastic rods and the like as bearing parts cannot be balanced, and has simple structure and quick and convenient adjustment.
Description
Technical Field
The invention relates to a balance adjusting device of a multipoint acting force system, which is particularly suitable for automatically balancing acting forces among a plurality of ropes, chains or other elastic rods, is mainly used for balancing torque on a roller on which the ropes are wound, and can also be used for balancing the tension of a traction rope of an elevator, balancing the tension of a steel wire rope of a hoist and other forms of force or torque balancing systems.
Background
In multi-point force application systems for large-load transportation, such as multi-rope vertical shaft lifting and dragging, multi-point force application, such as the phenomenon that the tension of ropes is unbalanced due to different running speeds and the like among a plurality of ropes, the service lives of the ropes and the like are easily influenced, and potential safety hazards are caused to the multi-point force application systems for lifting, dragging and the like. Therefore, balancing the multi-point forces so that the tensions between the ropes are balanced is of great importance for the safe and efficient operation of hoisting systems such as mines, elevators and other hauling systems.
The balance of the forces among a plurality of ropes and the like used at present is mainly adjusted by communicated hydraulic cylinder type, pulley block type, lever type and other modes, and the modes have the defects of small adjustment displacement amplitude, poor device reliability and the like.
In order to overcome the defects of the prior art, how to find a method for realizing the automatic balance of a multipoint acting force system by balancing the torque on a roller becomes a problem to be considered and solved by a person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the balance adjusting device of the multipoint acting force system, which has the characteristics of large acting force adjusting length, simultaneous automatic adjustment of the multipoint acting forces, simple structure and quick and convenient adjustment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the tension adjusting module comprises a shaft, an internal gear, a roller, a rope, pinions and an intermediate gear, wherein the shaft is sequentially provided with the internal gear, the roller and the intermediate gear which rotate around the shaft, each roller is wound with one rope, two ends of a spoke of each roller are respectively provided with a group of pinions, the pinions and the rollers form a planetary gear train combined structure, an inner cylinder of each roller serves as a planet carrier, the pinions serve as planet gears, and two sides of the pinions are respectively meshed with the internal gear and the intermediate gear; the adjacent tension adjusting modules are directly connected through two connecting pieces to transmit torque, or the adjacent tension adjusting modules are connected into a whole through an intermediate bearing seat which is provided with a slip ring and fixed on a lifting container; the end bearing blocks are arranged on the shaft through bearings and are fixedly connected with the tension adjusting modules positioned at the two ends through a first connecting piece, and the lower ends of the end bearing blocks are fixed on the lifting container; when the acting force number is odd, the rope number is also odd; when the acting force number is an even number, the rope number is also an even number; the winding directions of the ropes on the adjacent rollers are the same, and all the tension adjusting modules are arranged in series on the shaft in the same direction; the winding directions of the ropes on the adjacent rollers are opposite, and every two tension adjusting modules are oppositely arranged on the shaft and then are connected in series.
Compared with the prior art, the multipoint acting force system balance adjusting device has the advantages that the structures of the tension adjusting modules are the same, the roller and the pinion on the spoke of the roller are of a combined structure, the wound rope is fixed on the roller, and multipoint acting force acts on the corresponding rope; according to the condition that torque between the rollers is unbalanced due to different acting forces, the two adjacent force adjusting modules rotate correspondingly through the meshing transmission action of the inner gear, the outer gear, the pinion and the intermediate gear, so that the ropes on the rollers with larger torque are released, the ropes on the rollers with smaller torque are twisted tightly, the torque on each roller in the system is balanced, and the multipoint acting forces are balanced; the invention adopts the structure of the meshing transmission of the internal gear and the external gear, overcomes the problem that a multipoint acting force system which takes a plurality of ropes, chains or other elastic rods and the like as bearing parts can not be balanced, and has simple structure and rapid and convenient adjustment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a multipoint force system equilibrium adjusting device with independent shafts and with 3 force-acting adjacent tension adjusting modules arranged in the same direction, wherein the adjacent tension adjusting modules are directly fixed together through two connecting pieces.
Fig. 2 is a schematic structural diagram of the equilibrium adjusting device of the multipoint acting force system, wherein 3 acting tension adjusting modules are arranged in the same direction and the axis of the multipoint acting tension adjusting device is a through axis.
Fig. 3a is a schematic structural diagram of a multipoint force system equilibrium adjusting device which is provided with 4 force-acting adjacent tension adjusting modules in a symmetrical arrangement and is independent of each axis.
Fig. 3b is a three-dimensional isometric view of fig. 3 a.
Fig. 4 is a schematic structural diagram of the equilibrium adjustment device of the multipoint acting force system, wherein 4 acting tension adjustment modules are symmetrically arranged and the axis of the equilibrium adjustment device is a through axis.
Fig. 5 and 6 are schematic structural views of a multipoint acting force system balance adjusting device with 3 acting forces and 4 acting forces, wherein adjacent tension adjusting modules are arranged in the same direction and the shaft is a through shaft, and the adjacent tension adjusting modules are connected into a whole through a connecting piece II and an intermediate bearing seat with a sliding ring.
Fig. 7 is a schematic structural diagram of the equilibrium adjustment device of the multipoint acting force system when the equilibrium acting forces to be adjusted are different.
In the figure: 01. the tension adjusting device comprises a tension adjusting module 02, an end bearing seat 03, a lifting container 04, an intermediate bearing seat 04-1, a sliding ring 05, a connecting piece I, a connecting piece 06, a connecting piece II, a connecting piece 1, a shaft 2, an internal gear 3, a pinion 4, a roller 5, a rope 6 and an intermediate gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
As shown in fig. 2, the structure of the equilibrium adjustment device for 3 acting force equilibrium adjustments mainly comprises three tension adjustment modules 01, wherein the three tension adjustment modules 01 share a common shaft, which ensures the coaxiality of the rotating shafts of the entire equilibrium adjustment device, the three tension adjustment modules 01 may not be coaxial (see fig. 1, each shaft 1 is independent), a rope 5 is wound on a roller 4 of each tension adjustment module 01, and the rollers 4 and a pinion 3 are a planetary gear train combined structure for ensuring the synchronous rotation of the rollers 4 and the pinion 3. Each end bearing seat 02 is fixedly connected with the internal gear 2 through bolts or other modes, the internal gear 2 is in meshing transmission with one side of the pinion 3 of the roller 4, and the other side of the pinion 3 is in meshing transmission with the intermediate gear 6 arranged on the intermediate bearing seat 04; the adjacent side gears of the two force adjusting modules 01 are fixedly connected between the two adjacent force adjusting modules 01 through pin shafts or keys and synchronously rotate along with the sliding ring 04-1 on the middle bearing seat 04. Four bolt holes are uniformly distributed on the end bearing seat 02 and are used for fixedly mounting an internal gear; the intermediate bearing seats 04 and the sliding rings 04-1 are arranged in an embedded mode, four bolt holes and four pin shaft holes are uniformly distributed in the sliding rings 04-1, the bolt holes are used for fixedly connecting the intermediate gears 6 with the sliding rings 04-1 through bolts, and the pin shafts are used for fixedly connecting the sliding rings 04-1 on the two intermediate bearing seats 04, so that synchronous rotation of adjacent side gears of the two adjusting devices is guaranteed. Furthermore, the intermediate bearing seat 04 may not be installed (see fig. 5 for an embodiment), as the actual situation requires.
In fig. 2, the winding directions of the ropes 5 on the adjacent rollers 4 are the same, and three tension adjusting modules 01 are installed in series on the shaft 1 in the same direction. When the torque on the roller 4 in the middle tension adjusting module 01 is larger, the pinion 3 on the middle tension adjusting module can rotate downwards due to unbalanced torque, the ropes 5 on the roller 4 are released, and the rotating directions of the rollers 4 of the other two tension adjusting modules 01 are opposite to the rotating directions of the rollers 4 in the middle tension adjusting module 01 due to gear engagement, so that the ropes 5 on the rollers 4 on the left side and the right side are wound until the tensions of the ropes 5 on the rollers 4 reach balance, and the torques are balanced; when the torque on the roller 4 in the tension adjusting module 01 at one end is larger, the pinion 3 on the roller 4 rotates downwards due to the torque unbalance, the ropes 5 on the roller 4 are released, and the middle tension adjusting module 01 adjacent to the middle tension adjusting module 4 rotates opposite to the direction of the end roller 4 with larger tension due to the gear engagement, so that the ropes 5 on the middle roller 4 are wound, and the other tension adjusting module 01 also rotates in the same direction as the middle roller 4 due to the torque unbalance, so that the ropes 5 on the middle roller 4 are wound at the same time until the tensions of the ropes 5 on the rollers 4 reach the balance, and the torques are balanced. The working principle of the embodiment of fig. 1 and 5 is the same.
As shown in fig. 4, the structure of the equalizing device for equalizing 4 acting forces is different from the embodiment of fig. 2 in that the winding directions of the ropes 5 on the adjacent rollers 4 are opposite, four tension adjusting modules are respectively installed on the shaft 1 in series and reversely, the embodiment is a through shaft case, the corresponding independent shaft embodiment is shown in fig. 3, and the embodiment without the intermediate bearing seat 04 is shown in fig. 6. The working principle of fig. 3a, b and 6 corresponds to the embodiment of fig. 4 as follows: when the torque on the roller 4 in any one of the tension adjusting modules in the middle is larger, the pinion 3 on the roller 4 rotates downwards due to unbalanced torque, the ropes 5 on the roller 4 are released, the two adjacent tension adjusting modules 01 on two sides rotate downwards due to gear engagement, the rotation directions of the rollers are the same as the rotation directions of the rollers 4 in the middle tension adjusting module 01, the ropes 5 on the left and right adjacent rollers 4 are wound, the other tension adjusting module 01 on the other end rotates upwards due to unbalanced torque, the ropes 5 on the other tension adjusting module are wound until the tensions of the ropes 5 on the rollers 4 are balanced, and the torques are balanced; when the torque on the roller 4 in one of the end tension adjusting modules 01 is larger, the pinion 3 on the roller 4 in the end tension adjusting module 01 rotates upwards due to the torque imbalance, the rope 5 on the end roller 4 is released, the roller 4 of the middle tension adjusting module 01 adjacent to the end tension adjusting module is rotated in the same direction as the end roller 4 with larger torque due to the gear engagement, so that the rope 5 on the roller 4 is wound, the other middle tension adjusting module adjacent to the middle tension adjusting module is also rotated downwards due to the torque imbalance, the rope 5 on the other middle tension adjusting module is simultaneously wound, and the other end tension adjusting module 01 is also rotated upwards due to the torque imbalance, so that the rope 5 on the other middle tension adjusting module is wound until the tensions of the ropes 5 on the rollers 4 are balanced, and the torques are balanced.
The principle of adjustment when the torque of the drum 4 is unbalanced for systems of 2 or 5 forces and above (i.e. more wires) is similar to that described above.
In all embodiments of the present invention, each of the internal gear 2, the pinion gear 3 and the intermediate gear 6 may be a spur gear, a helical gear, a herringbone gear or a curved gear. The tension adjusting modules 01 can be correspondingly arranged at intervals according to the distance positions of acting force. The internal gear 2, the roller 4 and the intermediate gear 6 can be all arranged on the shaft 1 through bearings, and the bearings are sliding bearings or rolling bearings; alternatively, the internal gear 2, the roller 4 and the intermediate gear 6 can be directly connected with the shaft through the through hole to realize rotation.
1) When the multiple point force adjustments that require equalization are the same (see the embodiment of figures 1-6),
the diameters of the rollers 4 of the tension adjusting modules 01 which are oppositely arranged are the same, and the diameters of the rollers 4 of the tension adjusting modules 01 which are connected in series in the same direction sequentially satisfy the following conditions:
in the formula, DiThe diameter of the roller 4 corresponding to each acting force is shown, wherein i is 1-n; dbiThe reference circle diameter of each intermediate gear, wherein i is 1-n; daiThe pitch circle diameter of each internal gear is shown, wherein i is 1-n.
2) When the multiple point force adjustments that require equalization satisfy a certain proportional relationship (i.e. are not the same) (see figure 7 for an embodiment),
the diameter setting of each roller 4 of each tension adjusting module 01 arranged oppositely satisfies the following relationship:
F1·D1＝F2·D2＝～＝Fn·Dn
in the formula, FiThe magnitude of each acting force;
the diameter settings of the respective cylinders 4 of the respective tensioning modules 01 connected in series in the same direction satisfy the following relationship:
the other is the same working principle as the multipoint force adjustment requiring equalization.
The invention has the following advantages:
1) the invention uses the torque balance principle and adopts gear meshing transmission to realize the automatic balance of the torque on the roller 4 wound by a plurality of ropes, thereby balancing a plurality of multipoint acting forces;
2) the gear transmission response is rapid, and the efficiency of multipoint acting force balance adjustment is improved;
3) through the combination of a plurality of tension adjusting modules 01, the automatic balance of multipoint acting forces of lifting, dragging and other systems of a plurality of ropes, chains, elastic rods and the like is realized, and a novel device and a novel method can be provided for the balance of the acting forces of the lifting, dragging and other systems.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a balanced adjusting device of multiple spot effort system which characterized in that: consists of a plurality of tension adjusting modules (01) which are coaxially arranged between two end bearing seats (02), the number of the tension adjusting modules (01) is consistent with the number of acting forces, the tension adjusting module (01) comprises a shaft (1), an internal gear (2), rollers (4), ropes (5), pinions (3) and intermediate gears (6), wherein the internal gear (2) rotating around the shaft (1), the rollers (4) and the intermediate gears (6) are sequentially assembled on the shaft (1), each roller (4) is wound with one rope (5), two ends of a spoke of each roller (4) are respectively provided with a group of pinions (3), the pinions (3) and the rollers (4) form a planetary gear train combined structure, an inner cylinder of each roller (4) serves as a planet carrier, the pinions (3) serve as planet gears, and two sides of each pinion (3) are respectively meshed with the internal gear (2) and the intermediate gears (6); the adjacent tension adjusting modules (01) are directly connected through a second connecting piece (06) to transmit torque, or the adjacent tension adjusting modules are connected into a whole through a middle bearing seat (04) which is provided with a sliding ring (04-1) and fixed on the lifting container (03); the end bearing blocks (02) are arranged on the shaft through bearings and are fixedly connected with the tension adjusting modules (01) positioned at the two ends through a first connecting piece (05), and the lower ends of the end bearing blocks (02) are fixed on the lifting container (03); when the acting force number is odd, the number of the ropes (5) is also odd; when the acting force number is an even number, the number of the ropes (5) is also an even number; the winding directions of the ropes (5) on the adjacent rollers (4) are the same, and all the tension adjusting modules (01) are arranged on the shaft (1) in series in the same direction; the winding directions of the ropes (5) on the adjacent rollers (4) are opposite, and every two tension adjusting modules (01) are oppositely arranged on the shaft (1) and then are connected in series.
2. The multipoint force system equalization adjustment device of claim 1, wherein: when the multipoint acting force needing to be balanced is adjusted to be the same, the diameters of the rollers (4) of the tension adjusting modules (01) which are oppositely arranged are the same, and the diameters of the rollers (4) of the tension adjusting modules (01) which are connected in series in the same direction meet the following requirements in sequence:
in the formula, DiThe diameter of the roller (4) corresponding to each acting force is 1-n; dbiThe reference circle diameter of each intermediate gear, wherein i is 1-n; daiThe pitch circle diameter of each internal gear is shown, wherein i is 1-n; when a certain proportional relation exists in multipoint acting force adjustment needing to be balanced, the diameter setting of each roller (4) of each tension adjusting module (01) which is oppositely arranged meets the following relation:
F1·D1＝F2·D2＝～＝Fn·Dn
in the formula, FiThe magnitude of each acting force;
the diameters of the rollers (4) of the tension adjusting modules (01) connected in series in the same direction are set to satisfy the following relations:
3. a multipoint force system equalization conditioning device as claimed in claim 1 or 2, characterised by: and the first connecting piece (05) and the second connecting piece (06) are pin shafts, bolts or keys.
4. The multipoint force system equalization adjustment device of claim 3, wherein: through holes are uniformly distributed on the end bearing seat (02) and are used for fixedly mounting an inner gear (2) or an intermediate gear (6); the intermediate bearing seats (04) and the sliding rings (04-1) are installed in a nested mode, bolt holes and pin shaft holes are uniformly distributed in the sliding rings (04-1), the bolt holes are used for fixedly connecting the intermediate gears (6) or the internal gears (2) with the sliding rings (04-1) through bolts, and the pin shafts are used for fixedly connecting the sliding rings (04-1) on the two intermediate bearing seats (04).
5. A multipoint force system equalization conditioning device as claimed in claim 1 or 2, characterised by: the central lines of the shafts (1) of a plurality of tension adjusting modules (01) forming the balance adjusting device are on the same straight line.
6. A multipoint force system equalization conditioning device as claimed in claim 1 or 2, characterised by: the rope wound on the roller of each adjusting device is fixed on one side, and the length of the rope accounts for half of the length of the roller.
7. A multipoint force system equalization conditioning device as claimed in claim 1 or 2, characterised by: and each internal gear (2), the small gear (3) and the intermediate gear (6) are straight gears, helical gears, herringbone gears or curve gears.
8. A multipoint force system equalization conditioning device as claimed in claim 1 or 2, characterised by: the distance between the connected tension adjusting modules (01) is correspondingly set according to the distance position of the acting force.
9. The multipoint force system equalization adjustment device of claim 1, wherein: the inner gear (2), the roller (4) and the intermediate gear (6) are all arranged on the shaft (1) through bearings, and the bearings are sliding bearings or rolling bearings; or the internal gear (2), the roller (4) and the intermediate gear (6) are directly connected with the shaft through the through holes to realize rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735840.0A CN108996366B (en) | 2018-07-06 | 2018-07-06 | Balanced adjusting device of multiple spot effort system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735840.0A CN108996366B (en) | 2018-07-06 | 2018-07-06 | Balanced adjusting device of multiple spot effort system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108996366A CN108996366A (en) | 2018-12-14 |
| CN108996366B true CN108996366B (en) | 2020-12-25 |
Family
ID=64598727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735840.0A Expired - Fee Related CN108996366B (en) | 2018-07-06 | 2018-07-06 | Balanced adjusting device of multiple spot effort system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108996366B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357725B (en) * | 2020-11-26 | 2021-09-03 | 中国矿业大学 | Multi-rope tension balancing adjusting device and method |
| CN112960511B (en) * | 2021-03-25 | 2022-03-15 | 中国矿业大学 | Multi-rope winding lifting system and method with self-balanced tension |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133628A (en) * | 1994-11-11 | 1996-05-28 | Hitachi Building Syst Eng & Service Co Ltd | Main rope adjusting device for hydraulic elevator |
| EP1741661A2 (en) * | 2002-09-05 | 2007-01-10 | Inventio Ag | Driving gear for an elevator and method for installing the driving gear |
| 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 |
| CN106044473A (en) * | 2016-06-29 | 2016-10-26 | 昆山苏梯机电科技有限公司 | Elevator balancing system |
| CN107246458A (en) * | 2017-07-24 | 2017-10-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of Combined flat weight for reducing Waterpower type ship elevator synchronizing shaft moment of torsion |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10335940A1 (en) * | 2003-08-04 | 2005-03-10 | Japana Co | Tensioning device for pull cables, in particular pull cable laces on shoes |
| KR20080012082A (en) * | 2006-08-02 | 2008-02-11 | 전병수 | Elevator Wire Rope Equalizer |
| KR101216217B1 (en) * | 2009-05-12 | 2012-12-26 | 전병수 | Elevator wire's tension equalization apparatus |
| KR101023580B1 (en) * | 2010-07-15 | 2011-03-21 | 전병수 | Elevator wire's tension equalization apparatus |
| CN106946122B (en) * | 2017-05-15 | 2018-10-02 | 太原科技大学 | A kind of three compound bevel gear balancing devices of rope winding type mining hoist steel wire rope tension |
-
2018
- 2018-07-06 CN CN201810735840.0A patent/CN108996366B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133628A (en) * | 1994-11-11 | 1996-05-28 | Hitachi Building Syst Eng & Service Co Ltd | Main rope adjusting device for hydraulic elevator |
| EP1741661A2 (en) * | 2002-09-05 | 2007-01-10 | Inventio Ag | Driving gear for an elevator and method for installing the driving gear |
| 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 |
| CN106044473A (en) * | 2016-06-29 | 2016-10-26 | 昆山苏梯机电科技有限公司 | Elevator balancing system |
| CN107246458A (en) * | 2017-07-24 | 2017-10-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of Combined flat weight for reducing Waterpower type ship elevator synchronizing shaft moment of torsion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108996366A (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108996366B (en) | Balanced adjusting device of multiple spot effort system | |
| FI62268C (en) | DRAGANORDNING MED FLERA TRUMMOR | |
| WO2020006887A1 (en) | Tension balancing apparatus for multiple steel wire ropes of ultra-deep lifting system | |
| CN106829690B (en) | A kind of new gear transmission equalization of strain multi-rope winding type mine hoist | |
| CN108892019B (en) | Self-adaptive tension balancing device of multi-point acting force system at any position in plane | |
| CN205442478U (en) | Wire rope elevating system for warehouse system is put and retrieves to highway way awl cloth | |
| RU2749285C1 (en) | Lifting system for ultra-deep vertical wellbore | |
| CN112357725B (en) | Multi-rope tension balancing adjusting device and method | |
| CN106946122B (en) | A kind of three compound bevel gear balancing devices of rope winding type mining hoist steel wire rope tension | |
| CN112357724B (en) | Ultra-deep vertical shaft multi-rope lifting system and guiding method thereof | |
| WO2020006888A1 (en) | Steel wire rope tension automatic balancing device for long-distance rope adjustment | |
| CN105836644B (en) | Speed reducer and hoist engine | |
| CN102765650A (en) | Tension adjusting device of elevator hoisting ropes | |
| CN102561277A (en) | Medium- and large-sized fixed winch hoist for spillway radial gates | |
| CN109665431A (en) | A kind of underground horizontal drive arrangement formula ultra-deep trailer system and application method | |
| CN205709627U (en) | Reductor and hoist engine | |
| CN203275225U (en) | Swinging abrasion tester for connecting fitting | |
| US1974361A (en) | Differential drive for multiplestrand cable transmission | |
| CN109019252A (en) | A kind of automatic balancing arrangement of parallel load-bearing wires rope tension | |
| CN108975122A (en) | A kind of extra deep shaft large-tonnage lifting system card tank buffer unit | |
| CN109052203B (en) | Multi-point acting force balancing system with spatial distribution | |
| CN103303767A (en) | Stress balancing safety mechanism for elevator traction steel wire rope group | |
| CN105926560A (en) | Lifting device | |
| CN109693991B (en) | Multi-acting-force balancing system with ropes wound in same direction | |
| CN105540470B (en) | Double clutch Winch Wire Rope Ranging Devices and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 Termination date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |