CN204096836U - A kind of elevator traction suspension - Google Patents
A kind of elevator traction suspension Download PDFInfo
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- CN204096836U CN204096836U CN201420434061.4U CN201420434061U CN204096836U CN 204096836 U CN204096836 U CN 204096836U CN 201420434061 U CN201420434061 U CN 201420434061U CN 204096836 U CN204096836 U CN 204096836U
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- traction
- pendant line
- elevator
- suspension
- track adjusting
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Abstract
The utility model discloses a kind of elevator traction suspension, comprise some blade wheels and the traction pendant line around the home on these blade wheels, described blade wheel at least comprises two classes, one class is traction sheave, another kind of is the track adjusting wheel of moving with car and counterweight, described traction pendant line adopts the staff cultivation of axial limiting to coordinate with a wherein class blade wheel, adopts axially slidably freely to retrain to coordinate with another kind of blade wheel.The elevator traction suspension that the utility model provides, be suitable for being used in around than in the various elevator devices of 2:1 or 4:1, when elevator runs, traction pendant line can occur travelling relative to traction sheave or with the driving surface of the track adjusting wheel of car and counterweight motion and reverse, reduction traction sheave and track adjusting wheel are to the wearing and tearing of traction pendant line, under the prerequisite ensureing elevator safety smooth operation, extend the service life of traction pendant line.
Description
Technical field
The utility model relates to elevator technology field, is specifically related to a kind of elevator traction suspension.
Background technology
Elevator is the sports equipment for carrying certain load, many factors all can cause elevator in operational process, occur the problem that traction pendant line offsets, such as, the build guality of building, land subsidence, building wind load, elevator installation quality and cab interior load diatibution are unbalanced etc.
Once traction pendant line overmigration, traction pendant line will be caused to wear and tear and accelerate, the lost of life, if do not obtain maintaining timely, traction pendant line can produce the risk of fracture.
Elevator traction suspension of the prior art adopt around than being generally 2:1 or 4:1, and be widely used in there is the elevator device such as machine room elevator, machine-roomless lift, doctor's ladder, Cargo Lift.
Traction pendant line is the parts for carrying and transmit from towing machine, car, power between counterweight and load, current industry is in the traction sheave of traction pendant line and towing machine, the coordinating of track adjusting wheel of moving with car and counterweight, identical axial constraint is all adopted to coordinate, namely for same portion elevator, all adopt staff cultivation to design (in the axial direction can not free slippage), or all adopt free constrained designs (in the axial direction can free slippage).
In prior art, the difference of constraint-based design, is divided into two classes:
1, all staff cultivation is adopted between traction pendant line and traction sheave, the track adjusting wheel of moving with car and counterweight
1-1, traditional cross-sectional plane is adopted to be that circular steel rope is as the traction pendant line (public technology in elevator standard GB/T 7588-2003, be used widely), the axial constraint of traction pendant line and traction sheave adopts staff cultivation, and the axial constraint between traction pendant line and the track adjusting wheel of moving with car and counterweight also adopts staff cultivation.
In the transmittance process of traction, steel rope can be subject to the axial force from traction sheave and track adjusting wheel simultaneously, this axial force can increase the friction force between steel rope and the grooving matched with it, steel rope is caused to twist, and in the process that elevator runs, this torsion is constantly accumulated, and the service life of steel rope is shortened, and general service life was at about 5 years.
1-2, adopt belt with V-type or U-shaped rib as traction pendant line, such as, belt composition disclosed in the patent of invention document that publication number is CN1623884A: belt has the rib and groove that are meshed with traction sheave (i.e. the first roller) and track adjusting wheel (i.e. the second roller) respectively, namely belt and the axial constraint between traction sheave and track adjusting wheel all adopt staff cultivation, and the driving surface of belt is band finned surface.
In this intermeshing structure and GB7588-2003, steel rope and traction sheave and track adjusting wheel is combined with similarity, but the shape of steel rope has very large difference in belt and GB7588-2003, the belt that driving surface is with ribbing, its appearance integral is flats, in the transmittance process of power, belt can be subject to the axial force of traction sheave and track adjusting wheel simultaneously, belt can not reverse to offset axial force as the steel rope with round section, because axial force can not be offset, the driving surface that belt and traction sheave contact with track adjusting wheel will continue stressed, cause belt to wear and tear to accelerate, birthday noodle shorten, when serious, belt can be caused to rub, cause safety misadventure.
2, all adopt between traction pendant line and traction sheave, the track adjusting wheel of moving with car and counterweight and freely retrain
Publication number is that the patent of invention document of CN1346329A discloses a kind of biplanar steel band, and this steel band and traction sheave and track adjusting wheel adopt in the axial direction simultaneously and freely retrain.
When car internal load overbalance, or the precision that elevator is installed is when exceeding the error of expection, because the steel band around the home on traction sheave and track adjusting wheel in the axial direction can free slippage, can not reset in time, steel band can be caused to certain while skew, finally make the meeting of steel band side and traction sheave or track adjusting wheel produce between centers friction force, long-standing axial friction can shorten the life-span of steel band, steel band may be caused time serious to rub, cause safety misadventure.
In addition, in order to reduce the unbalanced impact of car internal load, or reduce the trueness error of elevator installation, need the driving surface of traction sheave or track adjusting wheel to lengthen, cause the traction axle of towing machine to lengthen thus, mechanical dimensions becomes huge, and cost increases.
Utility model content
The utility model provides a kind of elevator traction suspension, when elevator runs, can carry out the adjustment of traction pendant line position voluntarily, reduction traction sheave and track adjusting wheel are to the wearing and tearing of traction pendant line, under the prerequisite ensureing elevator safety smooth operation, extend the service life of traction pendant line.
A kind of elevator traction suspension, comprise some blade wheels and the traction pendant line around the home on these blade wheels, described blade wheel at least comprises two classes, one class is traction sheave, another kind of is the track adjusting wheel of moving with car and counterweight, described traction pendant line adopts the staff cultivation of axial limiting to coordinate with a wherein class blade wheel, adopts axially slidably freely to retrain to coordinate with another kind of blade wheel.
In prior art, when traction pendant line and blade wheel all adopt staff cultivation to coordinate, traction pendant line can be made relative to blade wheel in the axial direction without any the space of movement, when traction pendant line occurs that position offsets, the adjustment on any position can not be carried out, and the friction of bearing between blade wheel can only be continued; Traction pendant line and blade wheel all adopt and freely retrain when coordinating, and traction pendant line is excessive relative to blade wheel mobile space in the axial direction, after being moved beyond tolerance interval, are difficult to reset.
The utility model adopts staff cultivation and freely retrains the mode matched, when there is skew in traction pendant line, freely retrain and can ensure that traction pendant line has enough migration spaces in the axial direction, staff cultivation then can ensure that the position adjustment of traction pendant line is no more than essential limit.
In prior art, the traction suspension of elevator have 2:1,4:1 etc. multiple around than, except traction sheave and with car and counterweight motion track adjusting wheel except, also some fixed pulleys may be set, these fixed pulleys play adjustment cornerite, change around than etc. effect, blade wheel described in the utility model only comprises traction sheave and can change car track adjusting wheel and the counterweight track adjusting wheel of traction pendant line sense of motion, and does not comprise the extra fixed pulley arranged.
Traction pendant line adopts different the way of restraint from two class blade wheels, can realize the skew adjustment of best traction pendant line.When elevator back and forth carries out dipping and heaving, traction pendant line back and forth can move about on the blade wheel that employing freely retrains cooperation, and under the restriction of the blade wheel adopting staff cultivation to coordinate, control the distance of moving about simultaneously, realize the position adjustment of traction pendant line, reduce the axial force between traction pendant line and blade wheel, slow down the rate of wear of traction pendant line.
Even if there is the restriction of staff cultivation, freely retraining in cooperation, traction pendant line is also not the bigger the better relative to the axial space of blade wheel, need in scope definitely, based on the consideration of blade wheel cost, preferably, the face width of blade wheel is A, the face width of traction pendant line is B, and freely retraining in cooperation, the value of A/B is 1.1 ~ 3.0.Further preferably, the value of A/B is 1.5 ~ 2.0.
In prior art, the mode of restrictive axial movement can may be used to realize staff cultivation, such as, slot on blade wheel, traction pendant line is limited in groove; Or between blade wheel and traction pendant line, intermeshing structure is set.
In order to realize moving freely axially, be smooth circumferential face with the driving surface freely retraining the blade wheel coordinated between traction pendant line; In order to realize staff cultivation axially, preferably, the driving surface of the blade wheel coordinated with staff cultivation between traction pendant line is with anti-slip tank, and traction pendant line coordinates with anti-slip tank axial limiting.
Traction pendant line described in the utility model both can adopt the steel rope with round section of widespread use in prior art, also can adopt belt.When adopting steel rope, the position-limited trough for holding steel rope can being offered on blade wheel, the motion vertically of restriction steel rope, realizing staff cultivation and coordinating; Steel rope matches with the blade wheel with smooth circumferential face, and steel rope can move in the axial direction, realizes freely retraining cooperation.
When adopting belt, preferably, described traction pendant line is banded, has positive and negative two driving surfaces, and wherein one side is plane, freely retrains cooperation for realizing; Another side is the antiskid surface with convex tendon, coordinates for realizing staff cultivation.
When in the utility model, traction pendant line adopts banded, in process around the home, traction pendant line does not twist around its longitudinal axis.
Preferably, the plane of described traction pendant line coordinates with traction sheave, and antiskid surface coordinates with each track adjusting wheel.
Antiskid surface coordinates with each track adjusting wheel, can reduce the noise in running process of elevator, improves the traveling comfort of elevator ride.
Described convex tendon on antiskid surface is many that are parallel to each other, and extends along the length direction of traction pendant line.Each convex tendon matches with the anti-slip tank on the driving surface of blade wheel, restriction traction pendant line moving axially relative to blade wheel.
The cross-sectional plane of convex tendon has multiple choices, and such as, V-type, U-shaped, rectangle or trapezoidal etc., anti-slip tank has the cross sectional shape matched with convex tendon, and convex tendon and anti-slip tank engage each other, and makes traction pendant line can not moving axially along blade wheel.
The plane of traction pendant line coordinates with traction sheave, can improve the problem of traction surplus.When the pulling ability carrying out traction pendant line calculates, usually the size of traction can all be underestimated, and in use, due to the wearing and tearing on traction rope surface, also the friction coefficient of traction pendant line can be made to increase, in order to improve the problem of traction surplus, described plane is also provided with some the regulating tanks extended along pendant line length direction.In the process that traction pendant line contacts with traction sheave, the air being involved in contact surface can be discharged from regulating tank, avoids atmospheric pressure to increase, and effectively can reduce noise.
Regulating tank is for changing the area of contact of traction pendant line and traction sheave, thus the friction force (i.e. traction) that control is drawn between pendant line and traction sheave.
The shape of cross section of regulating tank does not strictly limit, and can change the area of contact of traction pendant line and traction sheave, and preferably, the A/F of regulating tank is 0.1 ~ 4mm, and the degree of depth is 0.1 ~ 2mm.
The not strict restriction of the cross-sectional plane of regulating tank, generally can adopt V-type, U-shaped, rectangle or trapezoidal cross-sectional plane.
For the traction pendant line of band shape, described traction pendant line comprises some the traction force-summing elements be arranged in parallel and is positioned at the clad of traction force-summing element outside, and two driving surfaces of traction pendant line are the relative both sides of described clad.
Described traction force-summing element can adopt the multiply steel cord or carbon fiber cotton rope that can meet tensile strength, and the diameter range of steel cord or carbon fiber cotton rope is 1.5mm ~ 3mm; Outside clad can adopt the High molecular materials such as wear resisting property good PU, TPU or EPDM, and the manufacture of traction pendant line can adopt extrudes processing technology.
The elevator traction suspension that the utility model provides, be suitable for being used in around than in the various elevator devices of 2:1 or 4:1, when elevator runs, traction pendant line can occur travelling relative to traction sheave or with the driving surface of the track adjusting wheel of car and counterweight motion and reverse, reduction traction sheave and track adjusting wheel are to the wearing and tearing of traction pendant line, under the prerequisite ensureing elevator safety smooth operation, extend the service life of traction pendant line.
Accompanying drawing explanation
Fig. 1 be around than for 2:1 machine room or have the schematic diagram of machine room elevator traction suspension;
Fig. 2 be around than for 2:1 machine room or have the schematic diagram of mode around the home of machine room elevator traction suspension;
Fig. 3 is the schematic diagram that in the utility model, staff cultivation coordinates;
Fig. 4 freely retrains the schematic diagram coordinated in the utility model;
Fig. 5 is the C portion enlarged drawing in Fig. 3;
Fig. 6 is around than the schematic diagram having the first embodiment of machine room elevator traction suspension for 2:1;
Fig. 7 is around than the schematic diagram having the second embodiment of machine room elevator traction suspension for 2:1;
Fig. 8 is around than the schematic diagram having the third embodiment of machine room elevator traction suspension for 2:1;
Fig. 9 is around than the schematic diagram having machine room elevator traction suspension for 4:1.
In figure: 1, plane; 2, clad; 3, force-summing element is drawn; 4, antiskid surface; 5, regulating tank; 6, traction sheave; 7, traction pendant line; 8, car track adjusting wheel; 9, counterweight track adjusting wheel; 10, car; 11, counterweight; 12, fixed pulley; 13, convex tendon; 14, compensated chain.
Detailed description of the invention
In prior art, there is multiple different elevator traction suspension, in often kind of elevator traction suspension, have difference with car and the track adjusting wheel of counterweight motion, the form that arranges of traction sheave and traction pendant line, existing for as shown in Figure 1 and Figure 2 around than for 2:1 machine room or have machine room elevator traction suspension to be described in detail the utility model.
As shown in Figure 1, a kind of elevator traction suspension, comprises traction sheave 6, with the counterweight track adjusting wheel 9 of counterweight 11 motion, with the car track adjusting wheel 8 of car 10 motion and the traction pendant line 7 around the home on traction sheave 6 and each track adjusting wheel.
Wherein, the counterweight track adjusting wheel 9 of moving with counterweight 11 and the namely described track adjusting wheel of moving with car 10 and counterweight 11 of the car track adjusting wheel 8 of moving with car 10, traction sheave 6, the counterweight track adjusting wheel 9 of moving with counterweight 11 and be referred to as blade wheel with the car track adjusting wheel 8 that car 10 moves.
Traction pendant line 7 adopts different axial constraint fit systems from traction sheave 6 and each track adjusting wheel, wherein one around the home mode be: adopt the staff cultivation of axial limiting to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting between counterweight track adjusting wheel 9 and car track adjusting wheel 8 axially slidably freely to retrain; Another kind around the home mode is: adopt axial slidably freely constraint to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting the staff cultivation of axial limiting between counterweight track adjusting wheel 9 and car track adjusting wheel 8.
As shown in Figure 3, Figure 4, the traction pendant line 7 adopted in the present embodiment, for banded, has positive and negative two driving surfaces, and wherein one side is plane 1, for realizing freely retraining cooperation; Another side is the antiskid surface 4 with convex tendon 13, coordinates for realizing staff cultivation.
As shown in Figure 3, staff cultivation in the present embodiment coordinates, realized by intermeshing tooth slot structure, particularly, the driving surface of the blade wheel coordinated with traction pendant line 7 staff cultivation arranges anti-slip tank, convex tendon 13 on traction pendant line 7 antiskid surface 4 cooperatively interacts with anti-slip tank, realizes traction pendant line 7 spacing cooperation in the axial direction.
As shown in Figure 4, freely retrain cooperation in the present embodiment, being cooperatively interacted with the smooth circumferential face of blade wheel by the plane 1 of traction pendant line 7 is realized, and the face width of blade wheel is A, and the face width of traction pendant line 7 is the value of B, A/B is 2.0.
As shown in Figure 3, Figure 4, the convex tendon 13 on the antiskid surface 4 of traction pendant line 7 is many of being parallel to each other, and extends along the length direction of traction pendant line 7, and every bar convex tendon 13 has the cross-sectional plane of V-type, and the cross-sectional plane of convex tendon 13 can also be U-shaped, trapezoidal, rectangle etc.
As shown in Figure 5, the plane 1 of traction pendant line 7 is provided with the regulating tank 5 that four (quantity of regulating tank 5 can increase and decrease as required) extend along pendant line length direction, in the present embodiment, regulating tank 5 has U-shaped cross-sectional plane, A/F is 0.1 ~ 4mm (the D size namely in Fig. 5), and the degree of depth is 0.1 ~ 2mm (the E size namely in Fig. 5).
As shown in Figure 3, traction pendant line 7 comprises some the traction force-summing elements 3 be arranged in parallel and is positioned at the clad 2 of traction force-summing element 3 outside, two driving surfaces of traction pendant line 7 are the relative both sides of clad 2, traction force-summing element 3 is multiply steel cord or carbon fiber cotton rope, diameter range is 1.5 ~ 3mm, select by actual desirable strength, each traction force-summing element 3 according to twist with the fingers to different interval arrangement, in Fig. 3, S represents left-hand lay, Z represents right-laid, these two kinds twist with the fingers to number identical and occur in pairs.Clad 2 can adopt the materials such as PU, TPU or EPDM.
As shown in Figure 3, Figure 4, the convex tendon 13 of traction pendant line 7 presents relation one to one with traction force-summing element 3, during practical application, not considered critical convex tendon 13 and the one_to_one corresponding drawing force-summing element 3, traction force-summing element 3 can meet tenacity demand, and convex tendon 13 can play the effect of restrictive axial movement.
In Fig. 1, Fig. 2, car track adjusting wheel 8 is positioned at the top of cab, and during practical application, car track adjusting wheel 8 also can be positioned at the below of cab 10.
Below in conjunction with accompanying drawing, to the utility model be applied to common several traction ropes around the home mode do concise and to the point description.
As shown in Figure 6, the wherein one of traction pendant line 7 and blade wheel around the home mode is: adopt the staff cultivation of axial limiting to coordinate between traction pendant line 7 with traction sheave 6, and traction pendant line 7 coordinates with all adopting between counterweight track adjusting wheel 9 and car track adjusting wheel 8 axially slidably freely to retrain; Another kind around the home mode is: adopt axial slidably freely constraint to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting the staff cultivation of axial limiting between counterweight track adjusting wheel 9 and car track adjusting wheel 8.
As shown in Figure 7, the wherein one of traction pendant line 7 and blade wheel around the home mode is: adopt the staff cultivation of axial limiting to coordinate between traction pendant line 7 with traction sheave 6, and traction pendant line 7 coordinates with all adopting between counterweight track adjusting wheel 9 and car track adjusting wheel 8 axially slidably freely to retrain; Another kind around the home mode is: adopt axial slidably freely constraint to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting the staff cultivation of axial limiting between counterweight track adjusting wheel 9 and car track adjusting wheel 8.
As shown in Figure 8, the wherein one of traction pendant line 7 and blade wheel around the home mode is: adopt the staff cultivation of axial limiting to coordinate between traction pendant line 7 with traction sheave 6, and traction pendant line 7 coordinates with all adopting between counterweight track adjusting wheel 9 and car track adjusting wheel 8 axially slidably freely to retrain; Another kind around the home mode is: adopt axial slidably freely constraint to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting the staff cultivation of axial limiting between counterweight track adjusting wheel 9 and car track adjusting wheel 8.
As shown in Figure 9, the wherein one of traction pendant line 7 and blade wheel around the home mode is: adopt the staff cultivation of axial limiting to coordinate between traction pendant line 7 with traction sheave 6, and traction pendant line 7 coordinates with all adopting between counterweight track adjusting wheel 9 and car track adjusting wheel 8 axially slidably freely to retrain; Another kind around the home mode is: adopt axial slidably freely constraint to coordinate between traction pendant line 7 with traction sheave 6, traction pendant line 7 coordinates with all adopting the staff cultivation of axial limiting between counterweight track adjusting wheel 9 and car track adjusting wheel 8.
The utility model carry out traction pendant line 7 around the home time, the longitudinal axis not around traction pendant line 7 reverses, therefore, when adopting banded traction pendant line 7, driving surface (plane or antiskid surface) according to traction pendant line 7 carries out the restricted selection of the fixed pulley of assisting, such as, for the fixed pulley 12 in Fig. 6, if traction pendant line 7 and traction sheave 6 adopt axial staff cultivation to coordinate, then the antiskid surface 4 of traction pendant line 7 contacts with fixed pulley 12, therefore, also staff cultivation is adopted to coordinate between fixed pulley 12 with traction pendant line 7, and for example, if traction pendant line 7 and traction sheave 6 adopt axial freely retraining to coordinate, then the plane 1 of traction pendant line 7 contacts with fixed pulley 12, therefore, also adopt freely to retrain between fixed pulley 12 with traction pendant line 7 and coordinate.When adopting steel rope, the restricted selection of fixed pulley 12 can be carried out with reference to the traction pendant line 7 of band shape.
As shown in Fig. 1, Fig. 6, Fig. 7, Fig. 8, Fig. 9, between car 10 and counterweight 11, be also connected with compensated chain 14.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. an elevator traction suspension, comprise some blade wheels and the traction pendant line around the home on these blade wheels, it is characterized in that, described blade wheel at least comprises two classes, one class is traction sheave, another kind of is track adjusting wheel with car and counterweight motion, and described traction pendant line adopts the staff cultivation of axial limiting to coordinate with a wherein class blade wheel, adopts axis slidably freely to retrain coordinate with another kind of blade wheel.
2. elevator traction suspension as claimed in claim 1, it is characterized in that, the face width of blade wheel is A, and the face width of traction pendant line is B, and freely retraining in cooperation, the value of A/B is 1.1 ~ 3.0.
3. elevator traction suspension as claimed in claim 1, it is characterized in that, be smooth circumferential face with the driving surface freely retraining the blade wheel coordinated between traction pendant line; The driving surface of the blade wheel coordinated with staff cultivation between traction pendant line is with anti-slip tank, and traction pendant line coordinates with anti-slip tank axial limiting.
4. the elevator traction suspension as described in as arbitrary in claims 1 to 3, is characterized in that, described traction pendant line is banded, has positive and negative two driving surfaces, and wherein one side is plane, freely retrains cooperation for realizing; Another side is the antiskid surface with convex tendon, coordinates for realizing staff cultivation.
5. elevator traction suspension as claimed in claim 4, it is characterized in that, the plane of described traction pendant line coordinates with traction sheave, and antiskid surface coordinates with the track adjusting wheel of moving with car and counterweight.
6. elevator traction suspension as claimed in claim 4, it is characterized in that, described convex tendon is many that are parallel to each other, and extends along the length direction of traction pendant line.
7. elevator traction suspension as claimed in claim 6, is characterized in that, every bar convex tendon has V-type, U-shaped, rectangle or trapezoidal cross-sectional plane.
8. elevator traction suspension as claimed in claim 4, is characterized in that, described plane is also provided with some the regulating tanks extended along pendant line length direction.
9. elevator traction suspension as claimed in claim 8, it is characterized in that, the A/F of regulating tank is 0.1 ~ 4mm, and the degree of depth is 0.1 ~ 2mm.
10. elevator traction suspension as claimed in claim 1, it is characterized in that, described traction pendant line comprises some the traction force-summing elements be arranged in parallel and is positioned at the clad of traction force-summing element outside, and two driving surfaces of traction pendant line are the relative both sides of described clad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434061.4U CN204096836U (en) | 2014-08-01 | 2014-08-01 | A kind of elevator traction suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434061.4U CN204096836U (en) | 2014-08-01 | 2014-08-01 | A kind of elevator traction suspension |
Publications (1)
| Publication Number | Publication Date |
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| CN204096836U true CN204096836U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434061.4U Withdrawn - After Issue CN204096836U (en) | 2014-08-01 | 2014-08-01 | A kind of elevator traction suspension |
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| CN (1) | CN204096836U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192674A (en) * | 2014-08-01 | 2014-12-10 | 杭州西奥电梯有限公司 | Elevator dragging and suspension system |
| CN106494973A (en) * | 2016-11-30 | 2017-03-15 | 苏州富士电梯有限公司 | A kind of lift suspension element and lift |
| CN106744158A (en) * | 2016-11-30 | 2017-05-31 | 苏州富士电梯有限公司 | A kind of lift suspension and lift |
-
2014
- 2014-08-01 CN CN201420434061.4U patent/CN204096836U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192674A (en) * | 2014-08-01 | 2014-12-10 | 杭州西奥电梯有限公司 | Elevator dragging and suspension system |
| CN106494973A (en) * | 2016-11-30 | 2017-03-15 | 苏州富士电梯有限公司 | A kind of lift suspension element and lift |
| CN106744158A (en) * | 2016-11-30 | 2017-05-31 | 苏州富士电梯有限公司 | A kind of lift suspension and lift |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20170620 |