CN201268536Y - Belt type towline head combination - Google Patents
Belt type towline head combination Download PDFInfo
- Publication number
- CN201268536Y CN201268536Y CNU2008201623673U CN200820162367U CN201268536Y CN 201268536 Y CN201268536 Y CN 201268536Y CN U2008201623673 U CNU2008201623673 U CN U2008201623673U CN 200820162367 U CN200820162367 U CN 200820162367U CN 201268536 Y CN201268536 Y CN 201268536Y
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- CN
- China
- Prior art keywords
- belt
- drawing belt
- carve
- cover
- screw rod
- 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 - Lifetime
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a belt type hauling rope hitch. The belt type hauling rope hitch comprises a fixing plate (3) and a hauling belt adjusting device (15) and further comprises a hauling belt fixing device (16), wherein the hauling belt fixing device (16) comprises a wedge sleeve (4), a hauling belt (14) and a wedge block (5) provided with consistent taper with the wedge sleeve (4) and matched in the wedge sleeve (4) in a sliding way, one end of the hauling belt (14) is penetrated between the wedge sleeve (4) and the wedge block (5) and is wound around the wedge block (5), the bottom of the threaded rod (1) is fixedly connected with a sleeve pipe perpendicular to the axial line of the threaded rod (1), and the upper part of the wedge sleeve (4) is articulated with the sleeve pipe. The belt type hauling rope hitch can enable the fixation of the rope to be stable and reliable and has simple connection.
Description
Technical field
The utility model relates to a kind of elevator traction mechanism, specifically be a kind of belt traction fag end combination.
Background technology
At present, the lifting of lift car normally is suspended on the traction sheave by many hoist ropes, transfers realization by traction sheave positive and negative.Its traction fag end fixing is wrapped in the fag end bending in the groove of carving piece often, pass through a fixing device bolt up then, such structure more complicated, and also the traction fag end is less with the groove relative friction forces of carving piece, get loose easily, cause potential safety hazard.
In addition, because the radius of curvature of steel rope bending is identical with the traction sheave radius, for reducing the endurance failure that steel rope is in the repeated flex state for a long time, must be according to safety rate requirement traction sheave diameter more than or equal to 40 times traction steel-cable diameter.Though guaranteed steel rope service life like this, promote the moment that thing acts on the traction wheel shaft and increase, cause steel rope that the pulling force of traction sheave is increased, thereby the local stress of traction wheel shaft is excessive and crooked, influences the normal lifting of lift car.Moreover because the area of contact of steel rope and traction sheave is little, the friction force between steel rope and the traction sheave is little, and steel rope is easily skidded in the process of transmission, has reduced driving efficiency, has influenced the displacement accuracy of lift car.
The content of utility model
The technical problems to be solved in the utility model is, overcomes above existing technological deficiency, and a kind of belt traction fag end combination is provided, and this belt traction fag end combination can make fag end fixing-stable, reliable, and connects simple.
Technical solution of the present utility model is, a kind of belt traction fag end combination with following structure is provided: it comprises adapter plate, the drawing belt setting device, described drawing belt setting device is by screw rod, spring and adjustment nut are formed, described spring housing is on screw rod, the screw rod lower vertical is applied in the hole that adapter plate opens, and the upper surface to adapter plate is supported in the lower end of spring, the lower surface to adjustment nut is supported in the upper end of spring, it also comprises the drawing belt anchor fitting, described drawing belt anchor fitting comprises carves cover, drawing belt, and with carve the cover tapering consistent and sliding fit over carve cover interior carve piece, one end of described drawing belt is through carving cover and carving between the piece and be looped around and carve around the piece, described screw rod bottom captive joint one sleeve pipe vertical with screw axis, described carve overlap top and sleeve pipe hinged.
As a kind of improvement, described carving around the piece is plane with the two ends arc transition, and plane width vertically on have a plurality of indents.When drawing belt is stressed, can increase band and the friction force of carving around the piece, drawing belt is fastened on firmly carve piece around.
As further improvement, described screw rod top is provided with one can prevent the spring cotter that adjustment nut gets loose, so that when adjusting drawing belt, can adjustment nut be got loose, causes potential safety hazard.
The principle of work of the utility model belt traction fag end combination is: at first the drawing belt setting device is fixed on the adapter plate, cooperate with drawing belt setting device hinged by bearing pin the drawing belt anchor fitting then, again an end of drawing belt is passed and carve cover and carve piece and cooperate in the space of formation, when drawing belt is stressed, drawing belt makes carves piece to lower slider, because carve piece and the self-lock ability of carving cover and carve plane width around the piece vertically on have a plurality of indents, drawing belt firmly is fixed on carve piece and carves between the cover.When the combination of one group of traction fag end, because drawing belt is when being connected with elevator cage, the situation of unbalance stress between can occurring respectively being with, the adjusting that can be undertaken by the adjustment nut on the drawing belt setting device.
After adopting above structure, the utility model compared with prior art has the following advantages:
1, adopts the fag end anchor fitting of the traction fag end combination of traction belt, connect simple, more stable, more reliable than the traction fag end combination of steel wire rope type.
2, adopt drawing belt and the lifting of finishing elevator cooperating of traction sheave, can reduce the diameter of traction sheave, reduce the moment that load produces, thereby reduced the pressure of drawing belt, increased the service life of drawing belt and traction sheave traction sheave.
3, the traction fag end of belt is combined in the lifting process of elevator, because frequent acceleration and deceleration can make each drawing belt be subjected to the force direction difference, can carry out automatic compensation this moment by the rotation of carving between cover and the screw rod.
4, the friction coefficient between drawing belt and the traction sheave is big, and area of contact is big, can increase the friction force between drawing belt and the traction sheave, has guaranteed in the transmission process non-sliply, has improved driving efficiency.
Description of drawings
Fig. 1 is the utility model and traction sheave bonded assembly scheme drawing.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the utility model anchor fitting scheme drawing.
Shown in the figure
1, screw rod, 2, spring, 3, adapter plate, 4, carve cover, 5, carve piece, 6, adjustment nut, 7, spring cotter, 8, pad, 9, axle, 10, pin, 11, " U " shape groove, 12, traction sheave, 13, car, 14, drawing belt, 15, the drawing belt setting device, 16, the drawing belt anchor fitting, 17, pulley.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1 as can be known, drawing belt 14 is walked around a pulley 17, is connected with traction sheave 12 again.Present elevator traction fag end combination all is to adopt steel rope and the lifting of finishing lift car 13 cooperating of traction sheave 12.Because the diameter of traction sheave 12 and hoist ropes is than more than or equal to 40, hoist ropes acts on the moment that traction sheave 12 produces load and increases, thereby has increased the pressure of hoist ropes to traction sheave 12, makes traction sheave 12 overloads and damages.As formula:
f＝μ*N
(f: friction force, μ: friction coefficient, N: positive pressure)
Under the certain situation of friction force, because the friction coefficient between drawing belt 14 and the traction sheave 12 is bigger than the friction coefficient between steel rope and the traction sheave 12, so the positive pressure of 14 pairs of traction sheaves 12 of drawing belt is just little.Equally in drawing belt anchor fitting 16, when drawing belt 14 is subjected under the certain situation of the pulling force of car 13, because the friction coefficient between drawing belt 14 and the drawing belt anchor fitting 16 is big, so the friction force between the two is big, drawing belt 14 can be fixed in the drawing belt anchor fitting 16 firmly, is difficult for getting loose.
As Fig. 2, as can be known shown in Figure 3, belt traction fag end combination of the present utility model, it comprises adapter plate 3, drawing belt setting device 15, described drawing belt setting device 15 is by screw rod 1, spring 2 and adjustment nut 6 are formed, described spring 2 is enclosed within on the screw rod 1, screw rod 1 lower vertical is applied in the hole that adapter plate 3 opened, and the upper surface to adapter plate 3 is supported in the lower end of spring 2, the lower surface to adjustment nut 6 is supported in the upper end of spring 2, it also comprises drawing belt anchor fitting 16, described drawing belt anchor fitting 16 comprises carves cover 4, drawing belt 14, and with carve cover 4 taperings consistent and sliding fit over carve cover 4 interior carve piece 5, one end of described drawing belt 14 is through carving cover 4 and carving between the piece 5 and be looped around and carve around the piece 5, the sleeve pipe of described screw rod 1 bottom captive joint one and screw rod 1 axis normal, described carve cover 4 tops and sleeve pipe hinged.
Described carving around the piece 5 is plane with the two ends arc transition, and has otch longitudinally on the plane.When drawing belt 14 is stressed, can increase band and the friction force of carving around the piece 5, drawing belt 14 is fastened on firmly carve piece 5 around.
Described screw rod 1 top is provided with one can prevent the spring cotter 7 that adjustment nut 6 gets loose, so that when adjusting drawing belt 14, adjustment nut 6 is got loose, causes potential safety hazard.
Described sleeve pipe is located at and is carved cover 4 both upper ends thereof and have in " U " shape groove 11 of axis hole 4I, and sleeve pipe is consistent with the axis of axis hole 4I, connects with bearing pin again.
The principle of work of the utility model belt traction fag end combination is: at first drawing belt setting device 15 is fixed on the adapter plate 3, cooperate with drawing belt setting device 15 hinged by 10 9 of pins drawing belt anchor fitting 16 then, again an end of drawing belt 14 is passed and carve cover 4 and carve piece 5 and cooperate in the space of formation, when drawing belt 14 is stressed, drawing belt 14 makes carves piece 5 to lower slider, because carve piece 5 and the self-lock ability of carving cover 4 and carve plane width around the piece 5 vertically on have a plurality of indents, drawing belt 14 firmly is fixed on carve piece 5 with carving and overlaps between 4.When the combination of one group of traction fag end, because drawing belt 14 is when being connected with elevator cage 13, the situation of unbalance stress between can occurring respectively being with, the adjusting that can be undertaken by the adjustment nut on the drawing belt setting device 15 6; In the frequent lifting process that quicken or slow down of lift car 13, stressed and its fag end stressed not on same straight line of drawing belt 14 can appear, can rotate automatically regulating by the bearing pin between drawing belt anchor fitting 16 and the screw rod 1 at this moment.
Claims (4)
1, a kind of belt traction fag end combination, it comprises adapter plate (3), drawing belt setting device (15), described drawing belt setting device (15) is by screw rod (1), spring (2) and adjustment nut (6) are formed, described spring (2) is enclosed within on the screw rod (1), screw rod (1) lower vertical is applied in the hole that adapter plate (3) opened, and the upper surface to adapter plate (3) is supported in the lower end of spring (2), the lower surface to adjustment nut (6) is supported in the upper end of spring (2), it also comprises drawing belt anchor fitting (16), it is characterized in that: described drawing belt anchor fitting (16) comprises carves cover (4), drawing belt (14), and with carve cover (4) tapering consistent and sliding fit over carve cover (4) interior carve piece (5), one end of described drawing belt (14) is through carving cover (4) and carving between the piece (5) and be looped around and carve piece (5) all around, the sleeve pipe of described screw rod (1) bottom captive joint one and screw rod (1) axis normal, described carve cover (4) top and sleeve pipe hinged.
2, belt traction fag end according to claim 1 combination is characterized in that: the described piece (5) of carving is plane with the two ends arc transition all around, and plane width vertically on have a plurality of indents.
3, belt traction fag end combination according to claim 1, it is characterized in that: described screw rod (1) top is provided with one can prevent the spring cotter (7) that adjustment nut (6) gets loose.
4, belt traction fag end combination according to claim 1, it is characterized in that: describedly carve cover (4) top and sleeve pipe is hinged is meant, sleeve pipe is located at and is carved in " U " shape groove (11) that cover (4) both upper ends thereof has axis hole (4I), and the dead in line of sleeve pipe and axis hole (4I), use axle (9) to connect again, and locate with pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201623673U CN201268536Y (en) | 2008-08-08 | 2008-08-08 | Belt type towline head combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201623673U CN201268536Y (en) | 2008-08-08 | 2008-08-08 | Belt type towline head combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268536Y true CN201268536Y (en) | 2009-07-08 |
Family
ID=40841128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201623673U Expired - Lifetime CN201268536Y (en) | 2008-08-08 | 2008-08-08 | Belt type towline head combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268536Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765648A (en) * | 2011-05-05 | 2012-11-07 | 上海三菱电梯有限公司 | Tension measuring and adjusting device for suspension rope of elevator |
| CN102923544A (en) * | 2012-11-15 | 2013-02-13 | 日立电梯（中国）有限公司 | Device and method for detecting broken strands of hoisting steel wire rope |
| CN103708320A (en) * | 2012-10-08 | 2014-04-09 | 上海力夏电梯科技有限公司 | Portable rope tension balancing instrument of multi-rope lifting system |
| CN104044974A (en) * | 2014-05-23 | 2014-09-17 | 苏州市东沪电缆有限公司 | Lifting appliance composite structure for flat-shaped accompanying elevator balancing compensation chain |
| CN104401846A (en) * | 2014-11-20 | 2015-03-11 | 吴中区光福金怡五金配件厂 | Tension device for material elevator |
| CN106586771A (en) * | 2016-12-30 | 2017-04-26 | 苏州沃诺斯精密机械有限公司 | Hoist rope fixing device for elevator and elevator |
-
2008
- 2008-08-08 CN CNU2008201623673U patent/CN201268536Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765648A (en) * | 2011-05-05 | 2012-11-07 | 上海三菱电梯有限公司 | Tension measuring and adjusting device for suspension rope of elevator |
| CN103708320A (en) * | 2012-10-08 | 2014-04-09 | 上海力夏电梯科技有限公司 | Portable rope tension balancing instrument of multi-rope lifting system |
| CN103708320B (en) * | 2012-10-08 | 2015-10-07 | 上海力夏检测技术有限公司 | A kind of portable multi rope winding system rope tension equilibrium instrument |
| CN102923544A (en) * | 2012-11-15 | 2013-02-13 | 日立电梯（中国）有限公司 | Device and method for detecting broken strands of hoisting steel wire rope |
| CN104044974A (en) * | 2014-05-23 | 2014-09-17 | 苏州市东沪电缆有限公司 | Lifting appliance composite structure for flat-shaped accompanying elevator balancing compensation chain |
| CN104044974B (en) * | 2014-05-23 | 2016-03-23 | 苏州市东沪电缆有限公司 | A kind of flat retinue elevator balanced compensated chain suspender unitized construction |
| CN104401846A (en) * | 2014-11-20 | 2015-03-11 | 吴中区光福金怡五金配件厂 | Tension device for material elevator |
| CN106586771A (en) * | 2016-12-30 | 2017-04-26 | 苏州沃诺斯精密机械有限公司 | Hoist rope fixing device for elevator and elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO XINDA (GROUP) CO., LTD. Free format text: FORMER OWNER: NINGBO HONGDA ELEVATOR CO., LTD. Effective date: 20130823 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130823 Address after: 315113 Zhejiang city of Ningbo province Yinzhou District east Wu concentric Road No. Patentee after: Ningbo Xinda (Group) Co., Ltd. Address before: 315113 Zhejiang city of Ningbo province Yinzhou District east Wu concentric Road No. Patentee before: Ningbo Hongda Elevator Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090708 |
|
| CX01 | Expiry of patent term |