CN110745668A - Automatic tension balancing system for traction rope of elevator car - Google Patents
Automatic tension balancing system for traction rope of elevator car Download PDFInfo
- Publication number
- CN110745668A CN110745668A CN201911183489.XA CN201911183489A CN110745668A CN 110745668 A CN110745668 A CN 110745668A CN 201911183489 A CN201911183489 A CN 201911183489A CN 110745668 A CN110745668 A CN 110745668A
- Authority
- CN
- China
- Prior art keywords
- rope
- suspension
- cover
- hanging
- pulleys
- 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.)
- Withdrawn
Links
- 239000000725 suspension Substances 0.000 claims abstract description 115
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- 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
-
- 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
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an automatic tension balancing system for a hoisting rope of an elevator car, which is characterized by comprising a suspension upper cover and a suspension lower cover; a plurality of upper fixed pulleys are distributed on the upper suspension cover around the upper suspension cover, and the lower fixed pulleys are arranged on the lower suspension cover at positions corresponding to the upper fixed pulleys; a plurality of hanging movable pulleys and rope collecting movable pulleys are arranged on the hanging lower cover, and the hanging movable pulleys and the rope collecting movable pulleys are alternately distributed between two adjacent lower fixed pulleys; the hanging lower cover is provided with a strip-shaped hole, and the hanging movable pulley and the rope collecting movable pulley are in sliding fit and are adjacent to the strip-shaped hole of the hanging lower cover through a support shaft; the upper fixed pulley and the lower fixed pulley are tightly attached together, so that the wheel grooves of the upper fixed pulley and the lower fixed pulley are matched to form a line hole; the rope still suspends in midair including being annular, it is located the wire hole that fixed pulley and lower fixed pulley cooperation formed, suspend in midair the movable pulley and receive the rope movable pulley and all hang the upside that suspends in midair the rope. The invention achieves the purpose of balancing the tension at each position on the suspension rope and reduces the abrasion of the suspension rope.
Description
Technical Field
The invention belongs to the technical field of elevator suspension, and particularly relates to an automatic tension balancing system for a traction rope of an elevator car.
Background
To current traction elevator suspension mode, the suspension tension that different wire rope (steel band) received is different, and the condition of wearing and tearing appears easily in the wire rope (steel band) that receives big suspension tension for a long time, leads to falling of elevator car, in addition, considers that wire rope (steel band) self can have atress elastic deformation, condition such as expend with heat and contract with cold, will be transferred suitable length by the wire rope (steel band) of dimension maintainer elevator at every other period, adjusts suspension tension to reduce the wearing and tearing of wire rope (steel band).
However, in the conventional technology, the car needs to be lifted, so that the counterweight frame is supported in a pit in a balanced manner, the length of the steel wire rope (steel belt) can be adjusted, the whole process consumes large manpower and material resources, and the implementation is inconvenient.
Therefore, it is a technical problem to be solved by those skilled in the art how to provide an automatic tension balancing system for a traction rope of an elevator car, which has a simple structure, is convenient for tightening a steel wire rope and realizes automatic tension balancing.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the automatic tension balancing system for the elevator car traction rope has the advantages that the structure is simple, the steel wire rope is conveniently tightened, and the automatic tension balancing is realized.
In order to solve the technical problems, the invention adopts the following technical scheme:
an elevator car hoist rope tension automatic balancing system, comprising:
the suspension upper cover and the suspension lower cover are connected together through a connecting bolt, and the side walls of the suspension upper cover and the suspension lower cover are of double-layer structures; a plurality of upper fixed pulleys are uniformly distributed on the upper suspension cover around the periphery of the upper suspension cover, lower fixed pulleys are arranged on the lower suspension cover at positions corresponding to the upper fixed pulleys, and the upper fixed pulleys and the lower fixed pulleys are respectively positioned between the inner layer and the outer layer of the upper suspension cover and the lower suspension cover and correspondingly connected with the inner layer and the outer layer of the upper suspension cover and the lower suspension cover through support shafts; moreover, the upper fixed pulley and the lower fixed pulley are tightly attached together, so that the wheel grooves of the upper fixed pulley and the lower fixed pulley are matched to form a line hole;
a plurality of hanging movable pulleys and rope collecting movable pulleys are also arranged on the hanging lower cover, and the hanging movable pulleys and the rope collecting movable pulleys are alternately distributed between two adjacent lower fixed pulleys; the inner layer and the outer layer of the suspension lower cover are respectively provided with a strip-shaped hole vertically penetrating through the upper side and the lower side of the suspension lower cover at the position corresponding to the suspension movable pulley and the rope collection movable pulley, and the suspension movable pulley and the rope collection movable pulley are connected with the strip-shaped holes at the corresponding positions of the inner layer and the outer layer of the suspension lower cover in a sliding fit manner through a support shaft;
the hanging rope is annular and is positioned between the upper fixed pulley and the lower fixed pulley, the wire hole formed by matching the upper fixed pulley and the lower fixed pulley is used for limiting, the perimeter of the hanging rope is larger than the perimeters of the upper hanging cover and the lower hanging cover, and the hanging movable pulley and the rope retracting movable pulley are both hung on the upper side of the hanging rope;
a rope head component is arranged at the lower side of the suspension movable pulley; an adjusting screw is arranged on the lower side of the rope-collecting movable pulley, and the upper end of the adjusting screw is connected with two ends of a supporting shaft of the rope-collecting movable pulley through a U-shaped frame; a protective steel plate is horizontally arranged below the suspended lower cover, a rope hole is respectively formed in the protective steel plate at the position corresponding to each rope head component, and the lower end of the adjusting screw rod penetrates through the rope hole and then is connected with a locking nut.
In the application, the different tension of the suspension ropes is embodied as different horizontal heights of the suspension movable pulleys; the self-balancing assembly of the self-balancing device is connected by the suspension rope passing around the fixed pulley, and the known principle that the stress on two sides of the fixed pulley is the same can be obtained: the stress of the suspension ropes at the positions of the suspension sliding pulleys can be the same, so that the aim of balancing the tension of each part on the suspension ropes is fulfilled, and the abrasion of the suspension ropes is reduced; in addition, the self-balancing assembly is circularly arranged around the suspension column, so that the positions of the suspension turning can be selected by 360 degrees, and a plurality of suspension units can be suspended simultaneously; when the suspension rope is broken, the suspension movable pulley is supported by the protective steel plate, so that the safety of the elevator is guaranteed.
After the elevator operation a period, the suspension rope must have a certain amount of extension, uses the elevator car towline tension automatic balancing system of this application can directly use the method of screwing the nut: the nut at the lower end of the rope-collecting movable pulley is unscrewed, the rope-collecting movable pulley moves upwards, and the suspended movable pulley moves upwards under the action of the lower fixed pulley, so that the purpose of collecting the rope is achieved.
Furthermore, the rope end assembly comprises a connecting seat, a rope end fixing seat and a cushion pad; the connecting seat is U-shaped, two ends of the connecting seat extend upwards and are connected with two ends of a supporting shaft suspending the movable pulley in a hanging mode, the rope end fixing seat is fixedly connected with the lower side of the connecting seat, the two buffering cushions are fixedly connected with two sides of the rope end fixing seat and are respectively located in the strip-shaped holes in the corresponding positions of the inner layer and the outer layer of the hanging lower cover
Still further, the buffer pad is made of an elastic material, and a buffer spring is arranged in the buffer pad.
Like this, suspend in midair and expect that the back is disconnected, all fag end subassemblies are whole to be pressed on the protection steel sheet, because the blotter is made by elastic material and is provided with buffer spring in the blotter, the blotter has increased area of contact, can avoid fag end subassembly to pull through the risk that disconnected rope protection device dropped.
Furthermore, a rope breaking protection switch is further arranged below the protection steel plate, the rope breaking protection switch is provided with a button, the button is arranged upwards, and the rope breaking protection switch is used for being electrically connected with the speed limiter.
Like this, in the twinkling of an eye that rope end subassembly dropped, the deformation of certain degree can take place for the protection steel sheet on the disconnected rope protection switching device, and this deformation contact rope breakage protection switching device's button makes the overspeed governor move, arouses the action of safety tongs, and the danger that the car falls is avoided to duplicate protection elevator.
Furthermore, the suspension upper cover is provided with a top plate, the suspension lower cover is provided with a bottom plate, and a screw rod of the connecting bolt penetrates through the top plate and the bottom plate and then is connected with a fastening nut; through holes for the rope head assembly and the adjusting screw to pass through are formed in the chassis corresponding to the positions of the rope head assembly and the adjusting screw respectively.
Thus, the suspension upper cover and the suspension lower cover are fixed.
Further, the lower side of the upper fixed pulley is flush with the lower side of the side wall of the suspension upper cover, and the upper side of the lower fixed pulley is flush with the upper side of the side wall of the suspension lower cover.
Drawings
Fig. 1 is a schematic view showing a structure of an automatic tension balancing system for a hoist rope of an elevator car according to the present invention in a normal operation.
Fig. 2 is a schematic structural view of the automatic tension balancing system for elevator car ropes in a state of rope breakage protection according to the present invention.
Fig. 3 is a schematic view showing a construction of the automatic tension balancing system for elevator car traction ropes according to the present invention when tightened.
Fig. 4 is a schematic structural view of the suspension lower cover of the present invention.
Fig. 5 is a schematic structural view of the suspension upper cover of the present invention.
Fig. 6 is a schematic structural view of a head assembly of the present invention.
The reference numbers illustrate: suspending the upper cover 1; hanging the lower cover 2; an upper fixed pulley 3; a lower fixed pulley 4; an inner layer 5; an outer layer 6; a movable pulley 8 is suspended; a rope-retracting movable pulley 9; a strip-shaped hole 10; a suspension cord 11; a connecting base 12; a rope end fixing seat 13; a cushion pad 14; an adjusting screw 15; a protective steel plate 16; a lock nut 17; a buffer spring 18; a rope breakage protection switch 19; a rope hole 20; the hoisting ropes 21.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Example 1: referring to fig. 1 to 6, an automatic tension balancing system for a hoist rope of an elevator car includes a suspension upper cover 1, a suspension lower cover 2, and a suspension rope. The upper suspension cover 1 and the lower suspension cover 2 are connected together through connecting bolts, and the side walls of the upper suspension cover 1 and the lower suspension cover 2 are both of a double-layer structure. A plurality of upper fixed pulleys 3 are uniformly distributed on the upper suspension cover 1 around the circumference of the upper suspension cover, lower fixed pulleys 4 are arranged on the lower suspension cover 2 at positions corresponding to the upper fixed pulleys 3, and the upper fixed pulleys 3 and the lower fixed pulleys 4 are respectively positioned between the inner layer and the outer layer of the upper suspension cover 1 and the lower suspension cover 2 and are correspondingly connected with the inner layer 5 and the outer layer 6 of the upper suspension cover 1 and the lower suspension cover 2 through support shafts. And, the upper fixed pulley 3 is closely attached to the lower fixed pulley 4, so that the wheel grooves of the upper fixed pulley 3 and the lower fixed pulley 4 are matched to form a line hole. The hanging lower cover 1 is also provided with a plurality of hanging movable pulleys 8 and rope collecting movable pulleys 9, and the hanging movable pulleys 8 and the rope collecting movable pulleys 9 are alternately distributed between two adjacent lower fixed pulleys 4. Hang inlayer 5 and the skin 6 of lower cover 2, the vertical bar hole 10 that hangs both sides about covering is hung in running through respectively to the position that corresponds to hang movable pulley 8 and receipts rope movable pulley 9, hang movable pulley 8 and receipts rope movable pulley 9 and link to each other through the bar hole 10 sliding fit that the back shaft corresponds the position with inlayer 5 and the skin 6 that hang lower cover 2. The suspension rope 11 is annular and is positioned between the upper fixed pulley 3 and the lower fixed pulley 4, the wire hole formed by the cooperation of the upper fixed pulley 3 and the lower fixed pulley 4 is limited, the perimeter of the suspension rope 11 is larger than the perimeters of the suspension upper cover 1 and the suspension lower cover 2, specifically, the perimeter of the suspension rope 11 is 1.5-3 times the perimeter of the suspension upper cover 1 and the suspension lower cover 2, the suspension movable pulley and the rope winding movable pulley are both suspended on the upper side of the suspension rope, and the suspension movable pulley 8 and the rope winding movable pulley 9 are both suspended on the upper side of the suspension rope 11. A rope head component is arranged at the lower side of the hanging movable pulley 8; an adjusting screw rod 15 is arranged on the lower side of the rope collecting movable pulley 9, and the upper end of the adjusting screw rod 15 is connected with two ends of a supporting shaft of the rope collecting movable pulley 9 through a U-shaped frame; a protection steel plate 16 is horizontally arranged below the suspension lower cover 2, a rope hole 20 is respectively arranged on the protection steel plate 16 corresponding to the positions of the rope head components, the lower end of the adjusting screw 15 penetrates through the rope hole 20 and then is connected with a locking nut 17, the rope head components are used for being connected with a hauling rope 21, and the hauling rope 21 penetrates through the rope hole 20.
In the application, the different tension of the suspension ropes is embodied as different horizontal heights of the suspension movable pulleys; the self-balancing assembly of the self-balancing device is connected by the suspension rope passing around the fixed pulley, and the known principle that the stress on two sides of the fixed pulley is the same can be obtained: the stress of the suspension ropes at the positions of the suspension sliding pulleys can be the same, so that the aim of balancing the tension of each part on the suspension ropes is fulfilled, and the abrasion of the suspension ropes is reduced; in addition, the self-balancing assembly is circularly arranged around the suspension column, so that the positions of the suspension turning can be selected by 360 degrees, and a plurality of suspension units can be suspended simultaneously; when the suspension rope is broken, the suspension movable pulley is supported by the protective steel plate, so that the safety of the elevator is guaranteed.
After the elevator operation a period, the suspension rope must have a certain amount of extension, uses the elevator car towline tension automatic balancing system of this application can directly use the method of screwing the nut: the nut at the lower end of the rope-collecting movable pulley is unscrewed, the rope-collecting movable pulley moves upwards, and the suspended movable pulley moves upwards under the action of the lower fixed pulley, so that the purpose of collecting the rope is achieved.
The rope head component comprises a connecting seat 12, a rope head fixing seat 13 and a cushion pad 14; the connecting seat 12 is U-shaped, and its both ends extend upwards and link to each other with the both ends of suspending the back shaft of movable pulley 8 in midair, fag end fixing base 13 and the downside fixed connection of connecting seat 12, blotter 14 is two to with fag end fixing base 13 both sides fixed connection, and be located respectively and hang the bar hole 10 that the inlayer of lower cover 2 and the inlayer correspond the position. The cushion pad 14 is made of an elastic material, and a cushion spring 18 is further disposed in the cushion pad 14. In practice, the elastic material may be rubber.
Like this, suspend in midair and expect that the back is disconnected, all fag end subassemblies are whole to be pressed on the protection steel sheet, because the blotter is made by elastic material and is provided with buffer spring in the blotter, the blotter has increased area of contact, can avoid fag end subassembly to pull through the risk that disconnected rope protection device dropped.
The rope breaking protection switch 19 is further arranged below the protection steel plate 16, the rope breaking protection switch 19 is installed in a well through a mounting support, the rope breaking protection switch is provided with a button, the button is arranged upwards, the rope breaking protection switch is used for being electrically connected with a speed limiter, the speed limiter is used for operating a safety gear, and the safety gear is used for achieving braking of an elevator.
Like this, in the twinkling of an eye that rope end subassembly dropped, the deformation of certain degree can take place for the protection steel sheet on the disconnected rope protection switching device, and this deformation contact rope breakage protection switching device's button makes the overspeed governor move, arouses the action of safety tongs, and the danger that the car falls is avoided to duplicate protection elevator.
The suspension upper cover 1 is provided with a top plate, the suspension lower cover 2 is provided with a base plate, and a screw rod of a connecting bolt penetrates through the top plate and the base plate and then is connected with a fastening nut; on the chassis, corresponding to the positions of the head assembly and the adjusting screw 15, through holes for the head assembly and the adjusting screw 15 to pass through are respectively formed.
Thus, the suspension upper cover and the suspension lower cover are fixed.
Further, the lower side of the upper fixed pulley 3 is flush with the lower side of the side wall of the hanging upper cover 1, and the upper side of the lower fixed pulley 4 is flush with the upper side of the side wall of the hanging lower cover 2.
In operation, the suspension upper cover 1 and the suspension lower cover 2 of the present application are installed on the top of the elevator shaft.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (6)
1. An elevator car hoist rope tension automatic balancing system, comprising:
the suspension upper cover and the suspension lower cover are connected together through a connecting bolt, and the side walls of the suspension upper cover and the suspension lower cover are of double-layer structures; a plurality of upper fixed pulleys are uniformly distributed on the upper suspension cover around the periphery of the upper suspension cover, lower fixed pulleys are arranged on the lower suspension cover at positions corresponding to the upper fixed pulleys, and the upper fixed pulleys and the lower fixed pulleys are respectively positioned between the inner layer and the outer layer of the upper suspension cover and the lower suspension cover and correspondingly connected with the inner layer and the outer layer of the upper suspension cover and the lower suspension cover through support shafts; moreover, the upper fixed pulley and the lower fixed pulley are tightly attached together, so that the wheel grooves of the upper fixed pulley and the lower fixed pulley are matched to form a line hole;
a plurality of hanging movable pulleys and rope collecting movable pulleys are also arranged on the hanging lower cover, and the hanging movable pulleys and the rope collecting movable pulleys are alternately distributed between two adjacent lower fixed pulleys; the inner layer and the outer layer of the suspension lower cover are respectively provided with a strip-shaped hole vertically penetrating through the upper side and the lower side of the suspension lower cover at the position corresponding to the suspension movable pulley and the rope collection movable pulley, and the suspension movable pulley and the rope collection movable pulley are connected with the strip-shaped holes at the corresponding positions of the inner layer and the outer layer of the suspension lower cover in a sliding fit manner through a support shaft;
the hanging rope is annular and is positioned between the upper fixed pulley and the lower fixed pulley, the wire hole formed by matching the upper fixed pulley and the lower fixed pulley is used for limiting, the perimeter of the hanging rope is larger than the perimeters of the upper hanging cover and the lower hanging cover, and the hanging movable pulley and the rope retracting movable pulley are both hung on the upper side of the hanging rope;
a rope head component is arranged at the lower side of the suspension movable pulley; an adjusting screw is arranged on the lower side of the rope-collecting movable pulley, and the upper end of the adjusting screw is connected with two ends of a supporting shaft of the rope-collecting movable pulley through a U-shaped frame; a protective steel plate is horizontally arranged below the suspended lower cover, a rope hole is respectively formed in the protective steel plate at the position corresponding to each rope head component, and the lower end of the adjusting screw rod penetrates through the rope hole and then is connected with a locking nut.
2. The automatic tension balancing system for elevator car traction ropes of claim 1, wherein the rope head assembly comprises a connecting seat, a rope head fixing seat and a cushion pad; the connecting seat is U-shaped, and its both ends upwards extend and link to each other with the both ends of suspending in midair the back shaft of movable pulley, and rope fastening seat and the downside fixed connection of connecting seat, the blotter is two to with rope fastening seat both sides fixed connection, and be located the bar hole that hangs the inlayer of lower cover and the corresponding position of inlayer respectively.
3. The automatic elevator car hoist rope tension balancing system of claim 2, wherein the cushion pad is made of an elastic material and a cushion spring is further disposed inside the cushion pad.
4. The automatic tension balancing system for elevator car traction ropes according to claim 1, wherein a rope breaking protection switch is further disposed below the protective steel plate, the rope breaking protection switch has a button, and the button is disposed upward, and the rope breaking protection switch is used for electrically connecting with the speed limiter.
5. The elevator car hoist rope tension automatic balancing system of claim 1, wherein the suspended upper cover has a top plate and the suspended lower cover has a bottom plate; a screw rod of the connecting bolt penetrates through the top plate and the bottom plate and then is connected with the fastening nut; through holes for the rope head assembly and the adjusting screw to pass through are formed in the chassis corresponding to the positions of the rope head assembly and the adjusting screw respectively.
6. The automatic tension balancing system for elevator car ropes of claim 1, wherein the lower side of the upper fixed sheave is flush with the lower side of the side wall of the suspension upper cover, and the upper side of the lower fixed sheave is flush with the upper side of the side wall of the suspension lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183489.XA CN110745668A (en) | 2019-11-27 | 2019-11-27 | Automatic tension balancing system for traction rope of elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183489.XA CN110745668A (en) | 2019-11-27 | 2019-11-27 | Automatic tension balancing system for traction rope of elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110745668A true CN110745668A (en) | 2020-02-04 |
Family
ID=69284881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183489.XA Withdrawn CN110745668A (en) | 2019-11-27 | 2019-11-27 | Automatic tension balancing system for traction rope of elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110745668A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170118A (en) * | 2020-03-12 | 2020-05-19 | 重庆迈高电梯有限公司 | Rope end combined structure suitable for low elevator running space |
| CN112299195A (en) * | 2020-12-08 | 2021-02-02 | 重庆迈高电梯有限公司 | Speed limiter tensioning system of elevator suitable for movable pit platform and elevator |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT90999B (en) * | 1918-08-01 | 1923-01-25 | Otto Dipl Ing Ohnesorge | Traction sheave conveyance with rope tension compensation through differential gear. |
| 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 |
| FR2597388A1 (en) * | 1986-04-18 | 1987-10-23 | Telemecanique Electrique | Device for driving a robot-arm active head |
| CN1738761A (en) * | 2003-01-11 | 2006-02-22 | 催正斗 | Apparatus for equalizing tension of main ropes of elevator |
| CN2892781Y (en) * | 2006-04-24 | 2007-04-25 | 邹晓明 | Elevator towline tension automatic balancing device |
| CN201092501Y (en) * | 2007-06-13 | 2008-07-30 | 张卫华 | Elevator traction cable wire tension automatic balancer |
| KR20090011643U (en) * | 2008-05-13 | 2009-11-18 | 신-치 수 | Improved tension control apparatus pay-off machine |
| CN201494985U (en) * | 2009-08-24 | 2010-06-02 | 福州快科电梯工业有限公司 | Tension balancing device of traction wire rope |
| CN103264971A (en) * | 2013-06-18 | 2013-08-28 | 山东丰汇设备技术有限公司 | Expansion driving type hoisting and lifting mechanism |
| CN104627782A (en) * | 2014-12-08 | 2015-05-20 | 中信重工机械股份有限公司 | Balance-adjustable floating head sheave device used for multi-rope winding type lifter |
| CN105110140A (en) * | 2015-08-18 | 2015-12-02 | 中国矿业大学 | Load change adaptive steel wire rope traction lifting system |
| JP2016207852A (en) * | 2015-04-23 | 2016-12-08 | 大森機械工業株式会社 | Tape splicer |
| CN106315349A (en) * | 2016-09-27 | 2017-01-11 | 中国矿业大学 | Automatic tension balancing device and method of multi-rope winding hoisting steel wire ropes for deep vertical shaft |
| CN206287543U (en) * | 2016-11-24 | 2017-06-30 | 四川智研科技有限公司 | A kind of electron irradiation material modification alpha ray shield transmitting device |
| CN109693991A (en) * | 2018-12-14 | 2019-04-30 | 中国矿业大学 | A kind of multiaction force balancing system that rope system winds in the same direction |
| CN210973466U (en) * | 2019-11-27 | 2020-07-10 | 重庆迈高电梯有限公司 | Elevator car towline tension balance system |
-
2019
- 2019-11-27 CN CN201911183489.XA patent/CN110745668A/en not_active Withdrawn
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT90999B (en) * | 1918-08-01 | 1923-01-25 | Otto Dipl Ing Ohnesorge | Traction sheave conveyance with rope tension compensation through differential gear. |
| 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 |
| FR2597388A1 (en) * | 1986-04-18 | 1987-10-23 | Telemecanique Electrique | Device for driving a robot-arm active head |
| CN1738761A (en) * | 2003-01-11 | 2006-02-22 | 催正斗 | Apparatus for equalizing tension of main ropes of elevator |
| CN2892781Y (en) * | 2006-04-24 | 2007-04-25 | 邹晓明 | Elevator towline tension automatic balancing device |
| CN201092501Y (en) * | 2007-06-13 | 2008-07-30 | 张卫华 | Elevator traction cable wire tension automatic balancer |
| KR20090011643U (en) * | 2008-05-13 | 2009-11-18 | 신-치 수 | Improved tension control apparatus pay-off machine |
| CN201494985U (en) * | 2009-08-24 | 2010-06-02 | 福州快科电梯工业有限公司 | Tension balancing device of traction wire rope |
| CN103264971A (en) * | 2013-06-18 | 2013-08-28 | 山东丰汇设备技术有限公司 | Expansion driving type hoisting and lifting mechanism |
| CN104627782A (en) * | 2014-12-08 | 2015-05-20 | 中信重工机械股份有限公司 | Balance-adjustable floating head sheave device used for multi-rope winding type lifter |
| JP2016207852A (en) * | 2015-04-23 | 2016-12-08 | 大森機械工業株式会社 | Tape splicer |
| CN105110140A (en) * | 2015-08-18 | 2015-12-02 | 中国矿业大学 | Load change adaptive steel wire rope traction lifting system |
| CN106315349A (en) * | 2016-09-27 | 2017-01-11 | 中国矿业大学 | Automatic tension balancing device and method of multi-rope winding hoisting steel wire ropes for deep vertical shaft |
| CN206287543U (en) * | 2016-11-24 | 2017-06-30 | 四川智研科技有限公司 | A kind of electron irradiation material modification alpha ray shield transmitting device |
| CN109693991A (en) * | 2018-12-14 | 2019-04-30 | 中国矿业大学 | A kind of multiaction force balancing system that rope system winds in the same direction |
| CN210973466U (en) * | 2019-11-27 | 2020-07-10 | 重庆迈高电梯有限公司 | Elevator car towline tension balance system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170118A (en) * | 2020-03-12 | 2020-05-19 | 重庆迈高电梯有限公司 | Rope end combined structure suitable for low elevator running space |
| CN111170118B (en) * | 2020-03-12 | 2024-05-28 | 重庆迈高电梯有限公司 | Rope end combined structure suitable for low elevator running space |
| CN112299195A (en) * | 2020-12-08 | 2021-02-02 | 重庆迈高电梯有限公司 | Speed limiter tensioning system of elevator suitable for movable pit platform and elevator |
| CN112299195B (en) * | 2020-12-08 | 2024-05-28 | 重庆迈高电梯有限公司 | Speed limiter tensioning system applicable to elevator with movable pit platform and elevator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110745668A (en) | Automatic tension balancing system for traction rope of elevator car | |
| CN210973466U (en) | Elevator car towline tension balance system | |
| CN115339982A (en) | Suspension device with cleaning function for elevator compensation chain | |
| CN105757625B (en) | The high mast lighting jacking system of speed limit fall arrest | |
| CN113233314A (en) | Adjustable import and export goods that has cushioning effect lifts by crane structure | |
| CN205602940U (en) | Diversion sheave device for elevator car roofs | |
| CN105731206A (en) | Lift protection structure for buildings | |
| CN213923753U (en) | Load-bearing device and bridge crane | |
| CN215516295U (en) | Elevator compensation chain tensioning device and elevator system | |
| CN212313528U (en) | Cableway hanging chair guardrail lifting device, cableway hanging chair assembly and cableway system | |
| CN2070728U (en) | Anti-fall cam type safety device for mining elevator | |
| CN211998354U (en) | Elevator wire rope suspension rope head assembly | |
| CN209819069U (en) | Suspension anti-falling mechanism for X-ray machine | |
| CN109519665B (en) | Suspension anti-falling mechanism for X-ray machine | |
| CN215326442U (en) | Anti-falling protection mechanism for hoisting assembly type building PC component | |
| CN111376919A (en) | Cableway hanging chair guardrail lifting device, cableway hanging chair assembly and cableway system | |
| CN220449607U (en) | Rope breakage protection device for lifting mechanism of roasting carbon block crane | |
| CN205655258U (en) | High pole illumination operating system that speed limit prevents falling | |
| CN214691693U (en) | Heavy hammer tensioning device | |
| CN110060839A (en) | A kind of transformer mounting structure | |
| CN209583478U (en) | A kind of crane rope groove separation preventing device | |
| CN214513966U (en) | Aluminium liquid agitator with prevent weighing down function | |
| CN215057274U (en) | Self-lifting counterweight and anti-falling device for traction drive tower type pumping unit | |
| CN218754394U (en) | Multi-rope friction type lifter tail rope protection device | |
| JPS5917023B2 (en) | Compensation line holding device for elevators |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200204 |
|
| WW01 | Invention patent application withdrawn after publication |