CN110436307B - Carrier type car roof rope returning wheel device - Google Patents
Carrier type car roof rope returning wheel device Download PDFInfo
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- CN110436307B CN110436307B CN201910816274.0A CN201910816274A CN110436307B CN 110436307 B CN110436307 B CN 110436307B CN 201910816274 A CN201910816274 A CN 201910816274A CN 110436307 B CN110436307 B CN 110436307B
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- 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
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- 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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a beam supporting type car roof rope returning wheel device, which comprises: the elevator car comprises a first support, a second support, a rope return wheel and a wheel shaft, wherein the first support is fixed below an upper beam of the car extending along the horizontal direction, and the first support is vertically arranged and is vertical to the extending direction of the upper beam of the car; the second support is fixed below the upper beam of the lift car and arranged in parallel with the first support; the return rope wheel is positioned between the first support and the second support and below the upper beam of the lift car, and the extension direction of the return rope wheel is vertical to that of the upper beam of the lift car; the wheel shaft is arranged along the extending direction of the upper beam of the lift car, the wheel shaft penetrates through the inner ring of the return rope wheel and is fixedly connected with the inner ring of the return rope wheel, and two ends of the wheel shaft are respectively fixed on the first support and the second support. The technical scheme provided by the invention has the beneficial effects that: the rope returning wheel device is arranged below the upper beam of the lift car, and even if the rope returning wheel device is damaged or fails, the traction steel wire rope can be hung on the lift car and cannot fall off, so that the safety of the lift is enhanced.
Description
Technical Field
The invention relates to the field of elevator manufacturing, in particular to a beam supporting type car roof rope returning wheel device.
Background
Due to the popularization of the gearless traction machine, the gearless traction machine is generally adopted by domestic passenger elevators at present, and the traction steel wire rope of the elevator adopting the gearless traction machine is basically 2: 1 winding method, which requires that a return rope wheel must be installed on the car. Taking a passenger elevator with a machine room as an example, an upper-hanging type car roof rope return wheel is generally adopted at present, namely, a rope return wheel device is arranged above an upper beam of a car. If the rope returning wheel device is damaged or fails, the lift car can be disconnected with the traction steel wire rope, so that serious consequences are caused; moreover, the installation of the rope returning wheel device at the top of the car requires that the height of the top layer is relatively high, which causes unnecessary space waste; in addition, in traditional elevator, return and do not set up damper between rope sheave device and the car, take and experience relatively poor.
Disclosure of Invention
In view of the above, it is desirable to provide a return sheave device with greater safety and relatively lower requirements for the height of the top deck.
A kind of joist type sedan-chair top returns the rope sheave device, comprising: a first bracket, a second bracket, a return rope wheel and a wheel shaft,
the first support is fixed below an upper car beam extending along the horizontal direction, and is vertically arranged and perpendicular to the extending direction of the upper car beam;
the second support is fixed below the upper beam of the lift car and is arranged in parallel with the first support;
the return rope wheel is positioned between the first support and the second support and below the upper beam of the lift car, and the return rope wheel is vertical to the extending direction of the upper beam of the lift car;
the wheel shaft is arranged along the extending direction of the upper beam of the lift car, the wheel shaft penetrates through the inner ring of the return rope wheel and is fixedly connected with the inner ring of the return rope wheel, and two ends of the wheel shaft are respectively fixed on the first support and the second support.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: the rope returning wheel device is arranged below the upper beam of the lift car, and even if the rope returning wheel device is damaged or fails, the traction steel wire rope can be hung on the lift car and cannot fall off, so that the safety of the lift is enhanced; meanwhile, the requirement on the height of the top layer can be reduced by arranging the rope returning wheel device below the upper beam of the lift car, so that the cost is reduced; in addition, the damping mechanism is arranged at the joint of the rope returning wheel device and the upper beam of the lift car, so that the comfort of taking the lift is enhanced.
Drawings
Fig. 1 is a front view of one embodiment of a joist type ceiling return sheave apparatus provided in the present invention;
FIG. 2 is a corresponding rear view of FIG. 1
FIG. 3 is a corresponding left side view of FIG. 1;
FIG. 4 is a corresponding right side view of FIG. 1;
FIG. 5 is a schematic view of the first bracket of FIG. 3;
FIG. 6 is a schematic structural view of the second bracket of FIG. 4;
FIG. 7 is a schematic view of the manner of securing the axle of FIG. 3;
in the figure: 1-car upper beam, 2-first support, 21-first upper transverse bar, 22-first middle transverse bar, 221-first mounting hole, 23-first lower transverse bar, 24-first upper connecting bar, 25-second upper connecting bar, 26-first lower connecting bar, 27-second lower connecting bar, 28-fifth upper connecting bar, 3-second support, 31-second upper transverse bar, 32-second middle transverse bar, 321-second mounting hole, 33-second lower transverse bar, 34-third upper connecting bar, 35-fourth upper connecting bar, 36-third lower connecting bar, 37-fourth lower connecting bar, 38-sixth upper connecting bar, 4-hoop component, 41-first hoop, 42-second hoop, 5-shock-absorbing component, 51-rubber pad, 21-first lower transverse bar, 221-second upper transverse bar, 27-second lower connecting bar, 3-second support, 31-second upper transverse bar, 32-second middle transverse bar, 321-second mounting hole, 33-second lower transverse bar, 34-third upper connecting bar, 35-fourth upper connecting bar, 36-third lower, 52-spring pad, 6-return pulley, 7-axle, 71-first U-shaped bolt, 72-first nut, 73-second U-shaped bolt, 74-second nut, 8-reinforcing bar assembly, 81-first reinforcing bar, 82-second reinforcing bar, 83-third reinforcing bar, 84-fourth reinforcing bar, 9-cover plate assembly, 91-first cover plate, 92-second cover plate, 93-third cover plate, 94-fourth cover plate, 95-fifth cover plate and 96-sixth cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the present invention provides a beam supporting type car roof rope return pulley device, which comprises a first bracket 2, a second bracket 3, a hoop component 4, a shock absorbing component 5, a rope return pulley 6, a wheel shaft 7, a reinforcing bar component 8 and a cover plate component 9.
Referring to fig. 5, the first bracket 2 is fixed below the upper car beam 1 extending in the horizontal direction, and the first bracket 2 is vertically disposed and perpendicular to the extending direction of the upper car beam 1. The first bracket 2 includes a first upper transverse bar 21, a first middle transverse bar 22 and a first lower transverse bar 23 which are parallel to each other and are arranged at intervals. The first upper transverse bar 21 and the first middle transverse bar 22 are equal in length, and the length of the first lower transverse bar 23 is 1/4-1/3 of the length of the first upper transverse bar 21. First support 2 still includes connecting strip 24 on the first, connecting strip 25 on the second, connecting strip 26 and connecting strip 27 under first 26 and the second, the one end of horizontal bar 21 is gone up through first connecting strip 24 fixed connection with the one end of horizontal bar 22 in the first, the other end of horizontal bar 21 is gone up through second connecting strip 25 fixed connection with the other end of horizontal bar 22 in the first, the one end of horizontal bar 22 still passes through first 26 fixed connection with the one end of horizontal bar 23 in the first, the other end of horizontal bar 22 still passes through second 27 fixed connection with the other end of horizontal bar 23 in the first.
Referring to fig. 6, the second bracket 3 is fixed below the car upper beam 1, and the second bracket 3 and the first bracket 2 have the same shape and are arranged in parallel. The second bracket 3 includes a second upper transverse bar 31, a second middle transverse bar 32 and a second lower transverse bar 33 which are parallel to each other and are arranged at intervals. The second upper transverse bar 31 and the second middle transverse bar 32 are equal in length, and the length of the second lower transverse bar 33 is 1/4-1/3 of the length of the second upper transverse bar 31. Second support 3 still includes connecting strip 34 on the third, connecting strip 35 on the fourth, connecting strip 36 and connecting strip 37 under third, connecting strip 34 fixed connection is passed through to the third in the one end of horizontal bar 31 and the second in the second, connecting strip 35 fixed connection is passed through to the other end of horizontal bar 32 in the other end of horizontal bar 31 and the second in the second, connecting strip 36 fixed connection is passed through to the third in the second in the one end of horizontal bar 32 still and the one end of horizontal bar 33 under the second, connecting strip 37 fixed connection is passed through to the other end of horizontal bar 33 under the other end of horizontal bar 32 still and the second in the second. The first upper connecting bar 24 is disposed opposite the third upper connecting bar 34, and the first lower connecting bar 26 is disposed opposite the third lower connecting bar 36. In this embodiment, in order to reinforce the first bracket 2, a fifth upper connecting strip 28 is added, and both ends of the fifth upper connecting strip 28 are respectively fixed to the midpoint of the first upper transverse strip 21 and the midpoint of the first middle transverse strip 22; in order to reinforce the second bracket 3, a sixth upper connecting strip 38 is added, and both ends of the sixth upper connecting strip 38 are fixed to the middle point of the second upper transverse strip 31 and the middle point of the second middle transverse strip 32, respectively.
Referring to fig. 7, the hoop assembly 4 includes a first hoop 41 and a second hoop 42 having the same shape. The first anchor ear 41 is shaped like a Chinese character 'ji', two wing plates of the first anchor ear 41 are fixedly connected with the first upper transverse bar 21, and two wing plates of the second anchor ear 42 are fixedly connected with the second upper transverse bar 31. The shock absorbing assembly 5 includes a rubber pad 51 and a spring pad 52, and the rubber pad 51 and the spring pad 52 are disposed between the car upper beam 1 and the first and second anchor ears 41 and 42, the first and second upper cross bars 21 and 31. The damping unit 5 is used to reduce the effect of vibration generated during the operation of the diverting pulley apparatus on the car.
Referring to fig. 1 to 4, the rope return wheel 6 is located between the first bracket 2 and the second bracket 3 and below the car upper beam 1, and the rope return wheel 6 is perpendicular to the extending direction of the car upper beam 1. In this embodiment, the rope return wheel 6 includes a bearing (not shown in the figure) having a first inner ring and a first outer ring, and a ring (not labeled in the figure) having a second inner ring and a second outer ring, which is sleeved outside the bearing, and the first outer ring is fixedly connected with the second inner ring.
Referring to fig. 1-7, the axle 7 is disposed along the extending direction of the car upper beam 1, and the axle 7 passes through the inner ring of the rope return wheel 6 and is fixedly connected with the inner ring of the rope return wheel 6. In this embodiment, the axle 7 passes through and is fixedly connected with the first inner ring, and both ends of the axle 7 are respectively fixed on the first bracket 2 and the second bracket 3. In this embodiment, two first mounting holes 221 extending in the vertical direction are symmetrically formed through the middle of the first middle cross bar 22, and a connection line of the two first mounting holes 221 is parallel to the extending direction of the first middle cross bar 22. The second middle horizontal bar 32 has two second mounting holes 321 extending in the vertical direction at positions opposite to the two first mounting holes 221. The axle 7 is provided with a first U-shaped bolt 71, a first nut 72 matching with the first U-shaped bolt 71, a second U-shaped bolt 73, and a second nut 74 matching with the second U-shaped bolt 73 in a matching manner, two ends of the first U-shaped bolt 71 respectively penetrate through the two first mounting holes 221 and are fixed by the first nut 72, and two ends of the second U-shaped bolt 73 respectively penetrate through the two second mounting holes 321 and are fixed by the second nut 74. One end of the axle 7 is fixed between the bent portion of the first U-bolt 71 and the first center cross bar 22, and the other end of the axle 7 is fixed between the bent portion of the second U-bolt 73 and the second center cross bar 32.
Referring to fig. 1 and 2, the reinforcing strip assembly 8 includes a first reinforcing strip 81, a second reinforcing strip 82, a third reinforcing strip 83 and a fourth reinforcing strip 84, one end of the first upper horizontal strip 21 and one end of the second upper horizontal strip 31 are fixedly connected through the first reinforcing strip 81, the other end of the first upper horizontal strip 21 and the other end of the second upper horizontal strip 31 are fixedly connected through the second reinforcing strip 82, one end of the first middle horizontal strip 22 and one end of the second middle horizontal strip 32 are fixedly connected through the third reinforcing strip 83, and the other end of the first middle horizontal strip 22 and the other end of the second middle horizontal strip 32 are fixedly connected through the fourth reinforcing strip 84. The first reinforcing strip 81 is disposed opposite to the third reinforcing strip 83.
Referring to fig. 1 to 4, the cover plate assembly 9 includes a first cover plate 91, a second cover plate 92, a third cover plate 93, a fourth cover plate 94, a fifth cover plate 95, a sixth cover plate 96, a seventh cover plate (not shown), an eighth cover plate (not shown), and a ninth cover plate (not shown), wherein the first cover plate 91 covers the outer surface of the first bracket 2, the second cover plate 92 is fixed on the outer surface of the second bracket 3, both ends of the third cover plate 93 are respectively fixed on the first upper connecting bar 24 and the third upper connecting bar 34, both ends of the fourth cover plate 94 are respectively fixed on the second upper connecting bar 25 and the fourth upper connecting bar 35, both ends of the fifth cover plate 95 are respectively fixed on the first lower connecting bar 26 and the third lower connecting bar 36, both ends of the sixth cover plate 96 are respectively fixed on the second lower connecting bar 27 and the fourth lower connecting bar 37, and the seventh cover plate covers the first reinforcing bar 81, the fourth lower connecting bar 37, The first upper transverse bar 21, the second upper transverse bar 31 and the upper car beam 1 are surrounded to form an area, the eighth cover plate covers the second reinforcing bar 82, the first upper transverse bar 21, the second upper transverse bar 31 and the upper car beam 1, the area is surrounded, and two ends of the ninth cover plate are respectively fixed to the first lower transverse bar 23 and the second lower transverse bar 33.
The working principle of the device is as follows: the traction steel wire rope is arranged on the return rope wheel 6, two ends of the traction steel wire rope are respectively led out upwards from two sides of the upper beam 1 of the lift car, and the traction machine drives the traction steel wire rope to move upwards or downwards so as to drive the lift car to move upwards or upwards. It can be seen that even if the whole rope returning wheel device is damaged or fails, the traction steel wire rope can be hung on the upper beam 1 of the lift car so as not to cause the lift car to fall, therefore, compared with the traditional rope returning wheel device, the device has better safety; in addition, the installation of the diverting pulley unit below the upper car beam 1 also reduces the car overhead space, so that the height of the top floor can be designed to be shorter.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a sheave device is returned on joist formula sedan-chair top which characterized in that includes: a first bracket, a second bracket, a return rope wheel and a wheel shaft,
the first support is fixed below an upper car beam extending along the horizontal direction, and is vertically arranged and perpendicular to the extending direction of the upper car beam;
the second support is fixed below the upper beam of the lift car and is arranged in parallel with the first support;
the return rope wheel is positioned between the first support and the second support and below the upper beam of the lift car, the return rope wheel is vertical to the extending direction of the upper beam of the lift car, the traction steel wire rope is installed on the return rope wheel, two ends of the traction steel wire rope are respectively led out upwards from two sides of the upper beam of the lift car, and the traction machine drives the traction steel wire rope to move upwards or downwards so as to drive the lift car to move upwards or upwards;
the wheel shaft is arranged along the extending direction of the upper beam of the lift car, penetrates through the inner ring of the return rope wheel and is fixedly connected with the inner ring of the return rope wheel, and two ends of the wheel shaft are respectively fixed on the first support and the second support;
the first support and the second support are identical in shape, and the first support comprises a first upper transverse strip, a first middle transverse strip and a first lower transverse strip which are parallel to each other and are arranged at intervals;
the first support further comprises a first upper connecting strip, a second upper connecting strip, a first lower connecting strip and a second lower connecting strip, one end of the first upper transverse strip is fixedly connected with one end of the first middle transverse strip through the first upper connecting strip, the other end of the first upper transverse strip is fixedly connected with the other end of the first middle transverse strip through the second upper connecting strip, one end of the first middle transverse strip is also fixedly connected with one end of the first lower transverse strip through the first lower connecting strip, and the other end of the first middle transverse strip is also fixedly connected with the other end of the first lower transverse strip through the second lower connecting strip;
the second bracket comprises a second upper transverse bar, a second middle transverse bar and a second lower transverse bar which are parallel to each other and are arranged at intervals;
the second support further comprises a third upper connecting strip, a fourth upper connecting strip, a third lower connecting strip and a fourth lower connecting strip, one end of the second upper transverse strip is fixedly connected with one end of the second middle transverse strip through the third upper connecting strip, the other end of the second upper transverse strip is fixedly connected with the other end of the second middle transverse strip through the fourth upper connecting strip, one end of the second middle transverse strip is also fixedly connected with one end of the second lower transverse strip through the third lower connecting strip, and the other end of the second middle transverse strip is also fixedly connected with the other end of the second lower transverse strip through the fourth lower connecting strip;
a first hoop and a second hoop are respectively arranged on the upper beam of the lift car at positions in contact with the first upper transverse strip and the second upper transverse strip in an encircling manner, the first hoop and the second hoop are identical in shape, the first hoop is in a shape like a Chinese character 'ji', two wing plates of the first hoop are fixedly connected with the first upper transverse strip, and two wing plates of the second hoop are fixedly connected with the second upper transverse strip;
the car is put the beams in place with first staple bolt, the second staple bolt first entablature and all be provided with rubber pad and spring washer between the second entablature.
2. The joist type car roof return sheave apparatus as defined in claim 1, wherein the first upper cross bar and the first middle cross bar have the same length, and the first lower cross bar has a length 1/4-1/3 of the width of the first upper cross bar;
the second upper transverse bar and the second middle transverse bar are equal in length, and the length of the second lower transverse bar is 1/4-1/3 of the length of the second upper transverse bar.
3. The joist type car roof rope returning wheel device as claimed in claim 1, wherein two first mounting holes extending in the vertical direction are symmetrically arranged at the middle position of the first middle cross bar, and the connecting line of the two first mounting holes is parallel to the extending direction of the first middle cross bar;
two second mounting holes extending in the vertical direction penetrate through the second middle transverse bar at the positions opposite to the two first mounting holes;
the wheel shaft is provided with a first U-shaped bolt, a first nut matched with the first U-shaped bolt, a second U-shaped bolt and a second nut matched with the second U-shaped bolt in a matched mode, two end portions of the first U-shaped bolt respectively penetrate through the two first mounting holes and are fixed by the first nuts, and two end portions of the second U-shaped bolt respectively penetrate through the two second mounting holes and are fixed by the second nuts;
one end of the wheel shaft is fixed between the bent part of the first U-shaped bolt and the first middle transverse bar, and the other end of the wheel shaft is fixed between the bent part of the second U-shaped bolt and the second middle transverse bar.
4. The joist type car top return sheave device as defined in claim 1, further comprising a reinforcing bar assembly including a first reinforcing bar, a second reinforcing bar, a third reinforcing bar and a fourth reinforcing bar, wherein one end of the first upper cross bar and one end of the second upper cross bar are fixedly connected by the first reinforcing bar, the other end of the first upper cross bar and the other end of the second upper cross bar are fixedly connected by the second reinforcing bar, one end of the first middle cross bar and one end of the second middle cross bar are fixedly connected by the third reinforcing bar, and the other end of the first middle cross bar and the other end of the second middle cross bar are fixedly connected by the fourth reinforcing bar.
5. The joist type car top sheave return device of claim 4 wherein the first upper connecting bar is disposed opposite the third upper connecting bar, the first lower connecting bar is disposed opposite the third lower connecting bar, and the first reinforcing bar is disposed opposite the third reinforcing bar;
the joist type car roof rope returning wheel device further comprises a cover plate assembly, the cover plate assembly comprises a first cover plate, a second cover plate, a third cover plate, a fourth cover plate, a fifth cover plate, a sixth cover plate, a seventh cover plate, an eighth cover plate and a ninth cover plate, the first cover plate covers the outer surface of the first support, the second cover plate is fixed on the outer surface of the second support, two ends of the third cover plate are respectively fixed on the first upper connecting strip and the third upper connecting strip, two ends of the fourth cover plate are respectively fixed on the second upper connecting strip and the fourth upper connecting strip, two ends of the fifth cover plate are respectively fixed on the first lower connecting strip and the third lower connecting strip, two ends of the sixth cover plate are respectively fixed on the second lower connecting strip and the fourth lower connecting strip, and the seventh cover plate covers the first reinforcing strip, The first upper cross bar, the second upper cross bar and the area defined by the upper car beam are covered by the eighth cover plate, the second reinforcing bar, the first upper cross bar, the second upper cross bar and the area defined by the upper car beam are covered by the eighth cover plate, and two ends of the ninth cover plate are respectively fixed on the first lower cross bar and the second lower cross bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816274.0A CN110436307B (en) | 2019-08-30 | 2019-08-30 | Carrier type car roof rope returning wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816274.0A CN110436307B (en) | 2019-08-30 | 2019-08-30 | Carrier type car roof rope returning wheel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110436307A CN110436307A (en) | 2019-11-12 |
| CN110436307B true CN110436307B (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910816274.0A Active CN110436307B (en) | 2019-08-30 | 2019-08-30 | Carrier type car roof rope returning wheel device |
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| CN (1) | CN110436307B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE366827B (en) * | 1973-05-10 | 1974-05-06 | Thulinverken Ab | |
| CN201330106Y (en) * | 2008-01-23 | 2009-10-21 | 朱培鼐 | Elevator device without machine room on elevator shaft outside multi-storey building |
| CN201592938U (en) * | 2009-12-09 | 2010-09-29 | 浙江师范大学 | Elevator car shock absorbing device |
| CN104033536A (en) * | 2014-04-29 | 2014-09-10 | 苏州中远电梯有限公司 | Elevator car vibration reduction device |
| CN205061282U (en) * | 2015-11-02 | 2016-03-02 | 康力电梯股份有限公司 | Rectilinear pair of sedan -chair top wheel sedan -chair frame |
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2019
- 2019-08-30 CN CN201910816274.0A patent/CN110436307B/en active Active
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| CN110436307A (en) | 2019-11-12 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A joist type car roof return rope wheel device Effective date of registration: 20230824 Granted publication date: 20210330 Pledgee: Hubei Daye Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI TONGDU GENERAL ELEVATOR Co.,Ltd. Registration number: Y2023980053182 |
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