CN105084184A - Tractor rack - Google Patents
Tractor rack Download PDFInfo
- Publication number
- CN105084184A CN105084184A CN201510492846.6A CN201510492846A CN105084184A CN 105084184 A CN105084184 A CN 105084184A CN 201510492846 A CN201510492846 A CN 201510492846A CN 105084184 A CN105084184 A CN 105084184A
- Authority
- CN
- China
- Prior art keywords
- traction
- support
- adjusting wheel
- track adjusting
- bearing beam
- 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.)
- Pending
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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
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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 relates to mechanical equipment of elevator mounting, in particular to a tractor rack which can increase traction force and is high safety coefficient. The tractor rack comprises two parallel bearing beams. A support is arranged on the bearing beams and provided with a mounting seat for mounting of a traction wheel. A guide wheel is further arranged on the support, and damping mechanisms are arranged between the bearing beams and the support. Connecting blocks are arranged on the support, the guide wheel is arranged on the connecting blocks and located between the two bearing beams, and the axis of the guide wheel and the bottom faces of the bearing beams are coplanar. According to the tractor rack, the contact length of a traction steel wire rope and the traction wheel can be increased; under the gravity action of a car, the larger the friction force of the traction steel wire rope and the traction wheel is, the larger the traction force is, power output by a tractor can be reduced, and labor can be saved; and the larger the friction force of the traction steel wire rope and the traction wheel is, the larger a wrap angle is, the traction steel wire rope cannot be separated from a groove of the traction wheel, the slipping phenomenon cannot occur, and the safety coefficient is higher.
Description
Technical field
The present invention relates to elevator and mechanical equipment is installed, be specifically related to a kind ofly increase traction, tractor stand that safety factor is high.
Background technology
The vertical conveyor of elevator to be a kind of with electrical motor be power, is equipped with box like gondola, takes advantage of people or carrying goods for tier building.Modem elevator is primarily of compositions such as traction system, guide rail, counterweight, safety device (as velocity limiter, safety tongs and energy disperser etc.), signal manipulation system, car and Room doors.Wherein traction system is the core of elevator, and radical function exports and transferring power, and elevator is run.Traction system is primarily of towing machine, traction steel-cable, and track adjusting wheel, crosshead sheave forms.Elevator traction machine is the power plant of elevator, and also known as elevator main, it is made up of electrical motor, drg, coupler, drop-gear box, traction sheave, frame and track adjusting wheel and attached handwheel etc.
During elevator operation, in succession the counterweight on the crosshead sheave of car and counterweight respectively in traction steel-cable two ends, the centre portion of traction steel-cable is wrapped in traction sheave and track adjusting wheel, track adjusting wheel can ensure that car and counterweight run along hoistway middle guide separately and do not contact, hoisting motor drives traction sheave to rotate, and the gravity of car and counterweight makes traction steel-cable be pressed in traction race and produces friction force.By hoist ropes and the fricative tractive force of traction sheave, realize the dipping and heaving of car and counterweight, namely car rises, and counterweight declines, and counterweight rises, cage descending.So car along the upper and lower reciprocal operation of guide rail, reaches transport object in hoistway.
The operating needs of elevator is safe and reliable, transport efficiency is high, leveling accuracy and ride comfort etc., want transport efficiency high, safety factor is high, then need to consider traction steel-cable cornerite on the traction sheave, the radian that cornerite and traction steel-cable contact in traction race.Cornerite is larger, and contact surface is larger, and friction force is larger, and traction is also larger, and transport efficiency is higher; Cornerite is larger, more there will not be skidding, and safety factor is higher.Elevators a lot of in market all adopts single wrap to connect, and namely steel rope is only walked around once on the traction sheave, and its cornerite is less than or equal to 180 °, and cornerite is larger, more meets the standard of safe operation.Because traction system is mounted on machine frame, so the setting of frame plays an important role, concern the size of cornerite, concern the safe in operation of elevator, but reality is installed arranging of mid frame and is ignored to some extent this block of cornerite size, this requirement of out of reach, therefore, is necessary to make improvement to the setting of tractor stand.
Summary of the invention
The object of the present invention is to provide a kind of tractor stand increasing traction by the cornerite increasing traction steel-cable and traction sheave, prevent traction sheave from skidding.
For achieving the above object, supporting technology scheme of the present invention is: comprise two parallel bearing beams, bearing beam is provided with support, support is provided with the mount pad for installing traction sheave, support is also provided with track adjusting wheel, between bearing beam and support, is provided with damping, support is provided with contiguous block, track adjusting wheel is arranged on contiguous block, track adjusting wheel between two bearing beams and the axle center of track adjusting wheel and bearing beam bottom surface coplanar.
When adopting technique scheme, the two ends of traction steel-cable can be fixed, and centre can connect counterweight successively, track adjusting wheel, traction sheave, crosshead sheave, wherein track adjusting wheel and crosshead sheave lay respectively at the both sides of traction sheave and position lower than traction sheave.Track adjusting wheel can ensure that car and counterweight run along hoistway middle guide separately and do not rub mutually, and the gravity of car and counterweight makes traction steel-cable be pressed in traction race and produces friction force.By hoist ropes and the fricative tractive force of traction sheave, realize the dipping and heaving of car and counterweight, namely car rises, and counterweight declines, and counterweight rises, cage descending.So car along the upper and lower reciprocal operation of guide rail, reaches transport object in hoistway.Damping plays the effect of a damping, ensures that car can pulsation-free motion.
In the installation of an elevator, vertical distance between traction sheave and crosshead sheave, and the vertical distance between traction sheave and track adjusting wheel is all certain, traction sheave is fixed in frame again, want the size changing cornerite, can only change the vertical dimension of track adjusting wheel and crosshead sheave, crosshead sheave can follow car to move together, therefore be usually arranged on immediately below traction sheave, make the traction steel-cable of traction sheave and crosshead sheave junction be vertical direction.Track adjusting wheel be arranged between two bearing beams and the axle center of track adjusting wheel by contiguous block and bearing beam bottom surface coplanar, when ensureing that track adjusting wheel normally leads, the arranging of this position can make the traction steel-cable of traction sheave and track adjusting wheel junction and vertical direction angle minimum, thus the length of contact in traction steel-cable and traction race is increased, namely increase cornerite, make it near 180 ° as much as possible.After length of contact increases, under the Action of Gravity Field of car, the friction force of traction steel-cable and traction sheave can be made larger, and traction is also larger, and the power that many towing machine exports will reduce, and can save power; The friction force of traction steel-cable and traction sheave can be made larger, and cornerite is larger, and traction steel-cable more can not depart from the groove of traction sheave, and more there will not be skidding, safety factor is higher.
Preferred version 1 to the further optimization of base case 1 draws: contiguous block is two pieces, is provided with adapter shaft between two contiguous blocks, adapter shaft is through the center of track adjusting wheel, track adjusting wheel and adapter shaft are rotationally connected, adopt this mode connection structure simple, easy for installation, be beneficial to the rotation of track adjusting wheel.
Preferred version 2 to the further optimization of base case 1 and preferred version 1 draws: the top of bearing beam is provided with mounting blocks, described damping comprises rubber, for installing the base plate of rubber, pressing plate, base plate and pressing plate lay respectively at mounting blocks both sides correspondence position, and are bolted on bearing beam.Rubber is as cushion blocking, and price offsets, and elasticity is better, and cost performance is high, and the mode be connected with pressing plate with base plate is fastened on bearing beam, stable connection, can not damage rubber.
Preferred version 3 to the further optimization of prioritization scheme 2 draws: bearing beam is also provided with the first rope hitch plate and the second rope hitch plate, the first rope hitch plate and the second rope hitch plate have multiple connecting bore; First rope hitch plate is used for the fixing traction steel-cable end be connected with crosshead sheave, second rope hitch plate is used for the fixing traction steel-cable end be connected with counterweight, connecting bore is used for fixing traction steel-cable, by connecting different connecting bores, can adjust the position of rope.
Preferred version 4 to the further optimization of prioritization scheme 2 draws: damping is four, four dampings surround a rectangle, and four rectangles can be competed the stability of frame on bearing beam, avoid elevator vibrated and make frame deflection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of tractor stand embodiment of the present invention;
Fig. 2 is the front view of Fig. 1;
Bearing beam 1, support 2, mount pad 3, track adjusting wheel 4, contiguous block 5, rubber 7, base plate 8, pressing plate 9, the first rope hitch plate 10, second rope hitch plate 11.
Detailed description of the invention
Tractor stand of the present invention, as Fig. 1, shown in Fig. 2, comprise two parallel bearing beams 1, mounting blocks is arranged at the top of bearing beam 1, for mounting bracket 2, support 2 is connected by damping, damping is four, on every root bearing beam 1 two, four dampings surround a rectangle, damping is by rubber 7, pressing plate 9, base plate 8 forms, support 2 is arranged on rubber 7, rubber 7 is arranged on base plate 8, base plate 8 is positioned at above mounting blocks, pressing plate 9 is positioned at below mounting blocks, with bolt through base plate 8 and pressing plate 9, base plate 8 and pressing plate 9 are fixed on bearing beam 1, and then support 2 is fixed on bearing beam 1.Support 2 is provided with the mount pad 3 for installing traction sheave, mount pad 3 is made up of two cross bars, is provided with axle between two cross bars, for connecting traction sheave.Mount pad 3 bottom is provided with two pieces of contiguous blocks 5, is connected respectively with cross bar, is provided with adapter shaft between two contiguous blocks 5, and adapter shaft is through the center of track adjusting wheel 4, and track adjusting wheel 4 and adapter shaft are rotationally connected.Bearing beam 1 is also provided with the first rope hitch plate 10 and the second rope hitch plate 11, first rope hitch plate 10 is positioned at immediately below traction sheave, first rope hitch plate 10 is for the fixing traction steel-cable end be connected with crosshead sheave, second rope hitch plate 11 is positioned at bearing beam 1 bottom and parallel with the bottom surface of track adjusting wheel 4, second rope hitch plate 11 is for the fixing traction steel-cable end be connected with counterweight, first rope hitch plate 10 and the second rope hitch plate 11 have multiple connecting bore, and connecting bore can regulate the fixed position of traction steel-cable.
During operation, one end of traction steel-cable is fixed in the connecting bore of the second rope hitch plate 11, traction steel-cable is allowed to walk around counterweight, walk around the left side of track adjusting wheel 4 again, be wound around on the traction sheave, walk around crosshead sheave downwards from the right side of traction sheave again, lay out on the right side from crosshead sheave, be connected on the connecting bore of the first rope hitch plate 10.The gravity of car and counterweight makes traction steel-cable be pressed in traction race and produces friction force, and by hoist ropes and the fricative tractive force of traction sheave, realize the dipping and heaving of car and counterweight, namely car rises, and counterweight declines, and counterweight rises, cage descending.So car along the upper and lower reciprocal operation of guide rail, reaches transport object in hoistway.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; without departing from the inventive concept of the premise; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (5)
1. tractor stand, comprise two parallel bearing beams, bearing beam is provided with support, support is provided with the mount pad for installing traction sheave, support is also provided with track adjusting wheel, between bearing beam and support, is provided with damping, it is characterized in that: described support is provided with contiguous block, track adjusting wheel is arranged on contiguous block, track adjusting wheel between two bearing beams and the axle center of track adjusting wheel and bearing beam bottom surface coplanar.
2. tractor stand according to claim 1, is characterized in that: described contiguous block is two pieces, is provided with adapter shaft between two contiguous blocks, and adapter shaft is through the center of track adjusting wheel.
3. tractor stand according to claim 1 and 2, it is characterized in that: the top of described bearing beam is provided with mounting blocks, described damping comprises rubber, for installing the base plate of rubber, pressing plate, base plate and pressing plate distribute and are positioned at mounting blocks both sides correspondence position, and are fixed on bearing beam in bottom and pressing plate by bolt.
4. tractor stand according to claim 3, is characterized in that: described bearing beam is also provided with the first rope hitch plate and the second rope hitch plate, and the first rope hitch plate and the second rope hitch plate have multiple connecting bore.
5. tractor stand according to claim 3, is characterized in that: described damping is four, and four dampings surround a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492846.6A CN105084184A (en) | 2015-08-13 | 2015-08-13 | Tractor rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492846.6A CN105084184A (en) | 2015-08-13 | 2015-08-13 | Tractor rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105084184A true CN105084184A (en) | 2015-11-25 |
Family
ID=54565652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510492846.6A Pending CN105084184A (en) | 2015-08-13 | 2015-08-13 | Tractor rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105084184A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987489A (en) * | 2019-04-10 | 2019-07-09 | 宝胜系统集成科技股份有限公司 | A kind of traction tower elevating mechanism |
| CN110577138A (en) * | 2018-06-07 | 2019-12-17 | 株式会社日立制作所 | Elevator and traction machine thereof |
| CN113830641A (en) * | 2021-09-15 | 2021-12-24 | 康力电梯股份有限公司 | Uplink overspeed protection device |
| CN114348832A (en) * | 2022-01-10 | 2022-04-15 | 昆山海赫堡机械有限公司 | Traction equipment for elevator |
| CN115159306A (en) * | 2022-07-04 | 2022-10-11 | 宁夏通宇电梯制造发展股份有限公司 | Foldable tractor bears roof beam |
-
2015
- 2015-08-13 CN CN201510492846.6A patent/CN105084184A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577138A (en) * | 2018-06-07 | 2019-12-17 | 株式会社日立制作所 | Elevator and traction machine thereof |
| CN110577138B (en) * | 2018-06-07 | 2020-11-27 | 株式会社日立制作所 | Elevator and traction machine thereof |
| CN109987489A (en) * | 2019-04-10 | 2019-07-09 | 宝胜系统集成科技股份有限公司 | A kind of traction tower elevating mechanism |
| CN113830641A (en) * | 2021-09-15 | 2021-12-24 | 康力电梯股份有限公司 | Uplink overspeed protection device |
| CN113830641B (en) * | 2021-09-15 | 2024-05-07 | 康力电梯股份有限公司 | Up-going overspeed protection device |
| CN114348832A (en) * | 2022-01-10 | 2022-04-15 | 昆山海赫堡机械有限公司 | Traction equipment for elevator |
| CN114348832B (en) * | 2022-01-10 | 2024-01-26 | 昆山海赫堡机械有限公司 | Traction equipment for elevator |
| CN115159306A (en) * | 2022-07-04 | 2022-10-11 | 宁夏通宇电梯制造发展股份有限公司 | Foldable tractor bears roof beam |
| CN115159306B (en) * | 2022-07-04 | 2023-12-26 | 宁夏通宇电梯制造发展股份有限公司 | Folding traction machine bearing roof beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |
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| WD01 | Invention patent application deemed withdrawn after publication |