CN106006321B - Elevator drag device - Google Patents
Elevator drag device Download PDFInfo
- Publication number
- CN106006321B CN106006321B CN201610444659.5A CN201610444659A CN106006321B CN 106006321 B CN106006321 B CN 106006321B CN 201610444659 A CN201610444659 A CN 201610444659A CN 106006321 B CN106006321 B CN 106006321B
- Authority
- CN
- China
- Prior art keywords
- cable
- traction steel
- spiral rod
- traction
- cavity
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- 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
- B66B7/068—Cable weight compensating devices
Abstract
The invention discloses a kind of elevator drag device, it include being installed on the traction machine in elevator hoistways (1), traction steel-cable (2) and below traction machine (1) to pouring weight (3), it is characterised in that：One end of traction steel-cable (2) and the inwall of elevator hoistways are fixed, the other end of traction steel-cable (2) sequentially surround the driving wheel (1.1) on the directive wheel (4.1) and traction machine (1) of car (4) bottom along its length direction, and with fixed to pouring weight (3), it is described to being provided with the automatic winding mechanism (5) for being in tight state for furling traction steel-cable (2) to traction steel-cable (1) in pouring weight (3).The present invention provides a kind of elevator drag device, during its overhauling elevator, car and can ensure that traction steel-cable does not release from directive wheel when not applying active force to traction steel-cable to pouring weight, avoid the risk that traction steel-cable releases from directive wheel.
Description
Technical field
The present invention relates to the technical field of elevator, a kind of specifically elevator drag device.
Background technology
The lifting process of elevator be sequentially wound by traction steel-cable the driving wheel of traction machine, the directive wheel of car and
To pouring weight to roller, so as to drive the lifting of car by the frictional force between driving wheel and traction steel-cable.And elevator is made
For special equipment, it examines the life safety that passenger is directly related to using the security of process, therefore for elevator reparing and dimension
The requirement of shield is higher, i.e., its frequency safeguarded is high, parts service life is short, and the replacement frequency of consumable accessory is high.And elevator is being tieed up
Need to lock car and to pouring weight during shield, consequently facilitating traction steel-cable releases, realize the directive wheel to all parts
Overhauled or changed, and in the overhauling elevator of prior art, after the completion of the maintenance of its directive wheel or replacing, the traction steel wire
When rope resets, traction steel-cable and the risk of directive wheel dislocation be present, i.e. traction steel-cable slips out of directive wheel, thus makes to drag
Draw that the rotating shaft of steel wire rope and directive wheel is stuck, or cause the rotating shaft of directive wheel constantly to cause the two with traction steel-cable friction
The premature breakdown of parts.
The content of the invention
The technical problems to be solved by the invention are：A kind of elevator drag device is provided, during its overhauling elevator, car
It can ensure that traction steel-cable does not release from directive wheel with when not applying active force to traction steel-cable to pouring weight, avoid and drag
Draw the risk that steel wire rope releases from directive wheel.
The technical solution used in the present invention is：A kind of elevator drag device is provided, it includes being installed in elevator hoistways
Traction machine, traction steel-cable and below traction machine to pouring weight, it is characterised in that：One end of traction steel-cable and elevator
The inwall of hoistway is fixed, and the other end of traction steel-cable is along the sequentially directive wheel around cage bottom and the traction of its length direction
Driving wheel on machine, and with being fixed to pouring weight, it is described to be used to furl traction steel-cable to traction steel-cable to being provided with pouring weight
Automatic winding mechanism in tight state.
It is described that the upper opening for supplying traction steel-cable to penetrate cavity is provided with to the top of pouring weight to being provided with cavity in pouring weight,
The bottom of cavity is provided with connecting seat, and one end and the connecting seat of traction steel-cable are fixed, and the automatic winding mechanism is installed on cavity
Position interior and between upper opening and connecting seat.
Described automatic winding mechanism includes a spiral rod, and the both ends of spiral rod and the inwall of cavity are rotatably assorted, spiral
The centre position of rod vertically is provided with the radial direction through hole for traction steel-cable break-through, between the end of spiral rod and the inwall of cavity
Provided with the torsion spring for driving spiral rod to rotate, traction steel-cable is furled in the outer circle wall of spiral rod when being rotated with spiral rod
On, when car and the torsion spring drives spiral rod to turn to traction steel-cable when not applying active force to traction steel-cable to pouring weight
In tight state.
Two close end position is respectively equipped with the flange radially towards outer lug on the lateral wall of the spiral rod, and the flange is near
The end face in spiral rod centre position is provided with the conical surface of an evagination, and the both ends corresponding to the bus of the conical surface are outer with spiral rod respectively
Side wall connects with the end face transition of flange.
The lateral wall two close end position of the spiral rod is respectively equipped with the flange radially towards outer lug, between two flanges
Provided with the annular ring corresponding with respective flange, annular ring is placed on spiral rod, and the flange is provided with for each self-corresponding
The annular groove of annular ring insertion, annular ring are limited in annular groove vertically, pass through plane axis between annular ring and flange
Hold and be rotatably assorted.
The longitudinal section of the cavity vertically is shaped as a truncated cone-shaped, and the bottom to pouring weight is provided with and is provided from moving
Winding mechanism loads the lower openings of cavity.
The connecting seat is provided with the taper surface to be leant with cavity madial wall.
After above structure, elevator drag device of the invention has advantages below compared with prior art：First, exist
It is locked to pouring weight and car and when not acting power to traction steel-cable during overhauling elevator, traction steel wire is made by pre-tightening mechanism
Rope fits on the directive wheel of each part all the time, avoids the risk that traction steel-cable slips from directive wheel, secondly, operator
Member only needs the pretightning force for pulling traction steel-cable to overcome pre-tightening mechanism when local directive wheel is changed or repaired, real
The replacing of current situation portion directive wheel, its is easy to operate, finally, by setting second pair of pouring weight, can improve elevator lifting process
Stationarity.
Brief description of the drawings
Fig. 1 is the structural representation of the elevator drag device of the present invention.
Fig. 2 is the structural representation of the counterweight block portion point of the present invention.
Fig. 3 is the close-up schematic view in " A " region in Fig. 2.
Fig. 4 is the close-up schematic view of another structure in " A " region in Fig. 2.
Wherein, 1, traction machine, 1.1, driving wheel, 2, traction steel-cable, 3, to pouring weight, 3.1, cavity, 3.2, upper opening,
4th, car, 4.1, directive wheel, 5, automatic winding mechanism, 6, connecting seat, 6.1, taper surface, 7, spiral rod, 7.1, radial direction through hole,
7.2nd, flange, 7.3, the conical surface, 8, torsion spring, 9, annular ring, 10, plane bearing, 11, lift car rope head plate.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
The present invention provides a kind of elevator drag device, and it includes traction machine 1, the traction steel-cable being installed in elevator hoistways
2 and located at the lower section of traction machine 1 to pouring weight 3, it is characterised in that：One end of traction steel-cable 2 and the inwall of elevator hoistways are fixed,
The other end of traction steel-cable 2 sequentially surround the master on the directive wheel 4.1 and traction machine 1 of the bottom of car 4 along its length direction
Driving wheel 1.1, and with being fixed to pouring weight 3, it is described to be used to furl at traction steel-cable 2 to traction steel-cable 1 to being provided with pouring weight 3
In the automatic winding mechanism 5 of tight state.
Preferably, one end of traction steel-cable 2 is fixed with lift car rope head plate 11, lift car rope head plate 11 and elevator hoistways
Inwall is fixed.
It is described to being provided with cavity 3.1 in pouring weight 3, to the top of pouring weight 3 provided with penetrating cavity 3.1 for traction steel-cable 2
Upper opening 3.2, the bottom of cavity 3.1 are provided with connecting seat 6, and one end and the connecting seat 6 of traction steel-cable 2 are fixed, described automatic
Winding mechanism 5 is installed in cavity 3.1 and the position between upper opening 3.2 and connecting seat 6.
Described automatic winding mechanism 5 includes a spiral rod 7, and the both ends of spiral rod 7 rotate with the inwall of cavity 3.1 matches somebody with somebody
Close, the centre position of spiral rod 7 vertically be provided with for the break-through of traction steel-cable 2 radial direction through hole 7.1, the end of spiral rod 7 with
The torsion spring 8 for being used for driving spiral rod 7 to rotate is provided between the inwall of cavity 3.1, traction steel-cable 2 is rolled up when being rotated with spiral rod 7
On the outer circle wall for closing at spiral rod 7, when car 4 and to pouring weight 3 not to traction steel-cable 2 apply active force when the torsion spring 8
Drive spiral rod 7 to turn to traction steel-cable 2 and be in tight state.
Two close end position is respectively equipped with the flange 7.2 radially towards outer lug on the lateral wall of the spiral rod 7, described convex
The end face in the nearly centre position of spiral rod 7 of edge 7.2 is provided with the conical surface 7.3 of an evagination, the both ends corresponding to the bus of the conical surface 7.3 point
End face transition not with the lateral wall and flange 7.2 of spiral rod 7 is connected.
The lateral wall two close end position of the spiral rod 7 is respectively equipped with the flange 7.2 radially towards outer lug, two flanges
The annular ring 9 corresponding with respective flange 7.2 is provided between 7.2, annular ring 9 is placed on spiral rod 7, on the flange 7.2
Provided with the annular groove being embedded in for each self-corresponding annular ring 9, annular ring 9 is limited in annular groove vertically, annular ring 9 with
It is rotatably assorted between flange 7.2 by plane bearing 10.
The longitudinal section of the cavity 3.1 vertically is shaped as a truncated cone-shaped, and the bottom to pouring weight 3, which is provided with, to be supplied
Automatic winding mechanism 5 loads the lower openings of cavity 3.1.
The connecting seat 6 is provided with the taper surface 6.1 to be leant with the madial wall of cavity 3.1.
The operation principle of its overhauling elevator process is：
First, locked car, is driven reversely up to pouring weight by chain block, makes car and to pouring weight no longer to traction
Steel wire rope acts power, consequently facilitating traction steel-cable releases, in the process, pre-tightening mechanism work, drives traction steel
Cord is close on each directive wheel by less pretightning force, and secondly, operating personnel carry out maintenance repair, when needing carry out office
When portion's directive wheel is changed, traction steel-cable is first pulled to overcome the less pretightning force of pre-tightening mechanism offer and make traction steel-cable near
The part for the directive wheel for needing to overhaul is released with directive wheel, then completes the replacing of directive wheel, then traction steel-cable is around in newly
Directive wheel on, finally reset car and to pouring weight complete overhaul.In the process, the pretightning force that pre-tightening mechanism provides only exists
In the gravity for overcoming traction steel-cable itself, so pretightning force is smaller, traction steel-cable can be made by being pulled by manpower
It is local to depart from directive wheel.It can certainly be completed by manual labor-saving tool, such as chain block, lever etc..
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair
Bright to be not only limited to above example, its concrete structure allows to change, all institutes in the protection domain of demand for independence of the present invention
The various change of work is within the scope of the present invention.
Claims (5)
1. a kind of elevator drag device, traction machine (1) that it includes being installed in elevator hoistways, traction steel-cable (2) and it is located at
Below traction machine (1) to pouring weight (3), it is characterised in that：One end of traction steel-cable (2) and the inwall of elevator hoistways are fixed,
The other end of traction steel-cable (2) is along its length direction sequentially around the directive wheel (4.1) and traction machine of car (4) bottom
(1) driving wheel (1.1) on, and with fixed to pouring weight (3), it is described to be used to furl traction steel-cable to being provided with pouring weight (3)
(2) automatic winding mechanism (5) of tight state is in traction steel-cable (1)；
It is described to being provided with cavity (3.1) in pouring weight (3), to the top of pouring weight (3) provided with penetrating cavity for traction steel-cable (2)
(3.1) upper opening (3.2), the bottom of cavity (3.1) are provided with connecting seat (6), one end of traction steel-cable (2) and connecting seat
(6) it is fixed, the automatic winding mechanism (5) be installed in cavity (3.1) and positioned at upper opening (3.2) and connecting seat (6) it
Between position；
Described automatic winding mechanism (5) includes a spiral rod (7), and the both ends of spiral rod (7) rotate with the inwall of cavity (3.1)
Coordinate, the centre position of spiral rod (7) vertically is provided with the radial direction through hole (7.1) for traction steel-cable (2) break-through, spiral rod
(7) torsion spring (8) for being used for driving spiral rod (7) to rotate, traction steel-cable are provided between end and the inwall of cavity (3.1)
(2) furled when being rotated with spiral rod (7) on the outer circle wall of spiral rod (7), when car (4) and to pouring weight (3) not to traction
The torsion spring (8) drives spiral rod (7) to turn to traction steel-cable (2) and is in tight state during steel wire rope (2) application active force.
2. elevator drag device according to claim 1, it is characterised in that：Nearly two on the lateral wall of the spiral rod (7)
End position is respectively equipped with the flange (7.2) radially towards outer lug, the end in nearly spiral rod (7) centre position of the flange (7.2)
Face is provided with the conical surface (7.3) of an evagination, both ends corresponding to the bus of the conical surface (7.3) lateral wall with spiral rod (7) respectively
End face transition with flange (7.2) connects.
3. elevator drag device according to claim 1, it is characterised in that：The lateral wall two close end of the spiral rod (7)
Position is respectively equipped with the flange (7.2) radially towards outer lug, is provided with and respective flange (7.2) between two flanges (7.2)
Corresponding annular ring (9), annular ring (9) are placed on spiral rod (7), and the flange (7.2), which is provided with, supplies each self-corresponding ring
The embedded annular groove of shape circle (9), annular ring (9) are limited in annular groove vertically, annular ring (9) and flange (7.2) it
Between be rotatably assorted by plane bearing (10).
4. elevator drag device according to claim 1, it is characterised in that：The cavity (3.1) vertically vertical
Section is shaped as a truncated cone-shaped, and the bottom to pouring weight (3) is provided with loads cavity (3.1) for automatic winding mechanism (5)
Lower openings.
5. elevator drag device according to claim 4, it is characterised in that：The connecting seat (6) is provided with and cavity
(3.1) taper surface (6.1) that madial wall leans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444659.5A CN106006321B (en) | 2016-06-17 | 2016-06-17 | Elevator drag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444659.5A CN106006321B (en) | 2016-06-17 | 2016-06-17 | Elevator drag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106006321A CN106006321A (en) | 2016-10-12 |
| CN106006321B true CN106006321B (en) | 2018-03-09 |
Family
ID=57085411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610444659.5A Active CN106006321B (en) | 2016-06-17 | 2016-06-17 | Elevator drag device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006321B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858603Y (en) * | 2005-08-31 | 2007-01-17 | 湖南海诺电梯有限公司 | Balanced weight driving towing device |
| FI125268B (en) * | 2010-03-11 | 2015-08-14 | Kone Corp | A traction sheave elevator and a method for improving the traction of a traction sheave in an elevator traction sheave |
| CN201808995U (en) * | 2010-08-25 | 2011-04-27 | 莫汉润 | Lift device with adjustable counterweight |
| CN101979302B (en) * | 2010-10-27 | 2013-01-02 | 曹锦泉 | Variable counterweight elevator and variable counterweight hydraulic elevator |
| CN104355211B (en) * | 2014-10-30 | 2016-01-13 | 王洋 | A kind of balance weight body had from tension |
| CN204549762U (en) * | 2015-04-14 | 2015-08-12 | 赵忠义 | Two host driven elevator |
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2016
- 2016-06-17 CN CN201610444659.5A patent/CN106006321B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106006321A (en) | 2016-10-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191205 Address after: 314200 floor 2, neinan building, No.8, Chuangxin Road, Xindai Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Pinghu Zhongmai Magnetism Industry Co., Ltd. Address before: 315177 Zhejiang Province ancient town center Yinzhou District Ningbo Road No. 130 Patentee before: Cao Shiqing |
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| TR01 | Transfer of patent right |