CN105883304A - Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator - Google Patents
Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator Download PDFInfo
- Publication number
- CN105883304A CN105883304A CN201410542806.3A CN201410542806A CN105883304A CN 105883304 A CN105883304 A CN 105883304A CN 201410542806 A CN201410542806 A CN 201410542806A CN 105883304 A CN105883304 A CN 105883304A
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- China
- Prior art keywords
- lever
- elevator
- tension
- lower portion
- tensioning device
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Abstract
A tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of an elevator comprises a counter weight mechanism (device) and a lever. A lever adjusting mechanism (device) is installed on an enclosure on the lower portion of the elevator and connected with one end of the lever, the other end of the lever is connected with the counter weight mechanism, the middle of the lever is connected with a lever rotation shaft mechanism (device) through a sliding supporting plate, and the lever rotation shaft mechanism is connected with a steering chain wheel assembly or a belt pulley assembly on the lower portion of the elevator. The lever adjusting mechanism is a nut lead screw mechanism. A left tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator and a right tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator are arranged on the lower portion of the elevator. The tensioning device is balanced in tension, effectively prevents the steering chain wheel assembly or the belt pulley assembly on the lower portion of the elevator from deviating from a chain or a belt, and is reliable in running.
Description
Technical field
The present invention relates to the tensioner that loose unpacked material elevator bottom is a kind of, the particularly tensioning of bucket elevator bottom change course device.
Technical background
Tensioner is indispensable part in elevator.Chain bucket or band bucket in use may result in lifting chain or elevator belt anamorphic stretching because of self gravitation, the work factor such as tension, fretting wear.Prolongation over time, promotes chain or elevator belt elongation and constantly increases, sprocket wheel will be caused with promote chain, there is the phenomenons such as de-chain or de-band, trailer, increase load with elevator belt in belt wheel, the equipment that has a strong impact on is properly functioning with equipment safety.General tensioning mode has:
1, bolt and nut tightening regulator: screw rod is assemblied on lower casing hold-down support, nut is assemblied in sliding support plate U-type groove, when rotary screw, just sliding support plate can be made to move up and down, the bearing block of bottom changed course chain wheel assembly or changed course pulley assemblies is fixed on sliding support plate, it is thus possible to make lower chain wheel assembly or pulley assemblies will promote chain or elevator belt tensioning.This mode has distinct disadvantage: one is to need manual hand manipulation during screw take-up regulation, requires that equipment is out of service simultaneously, adjusts and could run by row starting device after work completes again, will affect normal production, and manual adjustment there is also certain potential safety hazard；Two is that screw take-up needs timely adjustment, and people likely forgets or other reasons postpones regulation, it is impossible to regulate in time and the situations such as de-chain or de-band, trailer, increase load occur；Three is that tensile force is unbalanced in the case of can not realizing artificial timely adjustment, the tightest rear pine after being usually regulation.During manual adjustment, the size of tensile force is uncontrollable and determines, completely with artificial sensation and experience；Four be screw take-up be rigid structural, it is serious that bucket elevator takes material such as jam, will result in lifting hopper and screw rod deformation, and adjusting means lost efficacy, or causes serious equipment to lose.
2, weight arm tensioner: one end of lever is fixed on the roller pin bearing of elevator lower casing by lever shaft pin, other end ballast weight hammer block, interior card compaction forces acts on connection support plate by hinges, connect support plate to be connected on the bearing block of bottom changed course chain wheel assembly or pulley assemblies by hinges, so that bottom changed course chain wheel assembly or pulley assemblies will promote chain or elevator belt tensioning.This mode shortcoming: one is that structure is the compactest takes up room relatively greatly, and movement weight mass requires more, and regulation stroke is shorter；Two is that the lever arrangement angle on both sides can not realize adjusted in concert, and movement weight mass pressure is uneven, easily causes and lays particular stress on, and causes the situation such as monolateral de-chain, de-band, trailer, increase load；Three is that tensioning pressure is unbalanced, after installing and regulating, has weight one end to start to be upturned, along with promoting chain or the elongation of elevator belt, after hang low again downwards, lever angle is continually changing, and tensioning pressure is continually changing therewith；Four be lever shaft pin and joint pin for a long time under harsh environments easily rust dead, cause rotation dumb, regulation rotating mechanism lost efficacy.
Summary of the invention
The purpose of the present invention is mainly for above-mentioned prior art defect, one is provided to need not equipment out of service, and can realize synchronizing the elevator bottom synchronous adjustable tension gravity tension device of adjustable weight power, including heavy hammer mechanism (device), lever, levered adjustment mechanism (device) is arranged on elevator lower casing and connects lever one end, the lever other end connects heavy hammer mechanism, its intermediate part connects lever shaft mechanism (device) by sliding support plate, and lever shaft mechanism connects elevator bottom changed course chain wheel assembly or pulley assemblies.
Described levered adjustment mechanism is nut-screw rod structure.
One group of elevator bottom synchronous adjustable tension gravity tension device of each installation about elevator bottom.
The invention have the characteristics that:
1, use lever construction principle, produce the tensioning pressure of several units with the gravity of 1 unit, laborsaving, reduce cost；
2, each set elevator bottom has the most each one group (adding up to two groups) to synchronize adjustable gravity tension device.Using weight (quantity can increase according to actual needs and reduce) at gravity end, the other end is designed as the nut-screw rod structure of bigger adjustable stroke, uses hinges to connect at interior card clamp force.On the one hand can ensure that left and right gravity tension device adjusts to synchronize, preventing elevator chain bucket or band bucket sideslip, on the other hand scalable makes lever remain level, and tensile force equalizes, effectively preventing elevator bottom changed course chain wheel assembly or pulley assemblies from taking off chain or de-band, equipment is reliable；
3, regulation stroke is big, and (initial makeup location) cycle that resets is long, maintenance, easy to maintenance, reduces maintenance cost.
4, normality short stroke adjustment nut-screw rod, makes lever remain level, it is achieved that need not shut down and to affect equipment properly functioning in equipment running process.
Accompanying drawing explanation
Fig. 1 overall structure of the present invention schematic diagram.
Detailed description of the invention
As shown in Figure 1, elevator bottom synchronous adjustable tension gravity tension device, including heavy hammer mechanism 6, lever 5, levered adjustment mechanism 1 is arranged on elevator lower casing 4 and connects lever 5 one end, lever 5 other end connects heavy hammer mechanism 6, connecting lever shaft mechanism 3 by sliding support plate 2 in the middle part of lever 5, lever shaft mechanism 3 connects elevator bottom changed course chain wheel assembly or pulley assemblies.
Levered adjustment mechanism 1 is nut-screw rod structure, couples rotating shaft, rotating shaft alignment pin or collar including regulation screw mandrel, adjusting nut, locking nut, feed screw nut's hold-down support, screw mandrel.
Sliding support plate 2 on bearing block includes that lever shaft supports seat, sliding panel.
Lever shaft mechanism 3 includes that lever couples rotating shaft, rotating shaft location nut and nut-lock washer.
The structure of lever 5 includes shaft seating and lever.
Heavy hammer mechanism 6 includes that weight regulates screw mandrel, screw mandrel adjusting nut, locking nut, movement weight mass, movement weight mass gripper shoe.
One group of elevator bottom synchronous adjustable weighing apparatus tension force gravity tension device of each installation about elevator bottom.
The present invention by regulation levered adjustment mechanism 1, heavy hammer mechanism 6 according to practical situation, can make lever 5 be horizontal all the time, reach optimum adjustment state.
The scope of application: the present invention is applicable to seek the tensioner that synchronous tension is the most laborsaving, stroke of tension big, tensile force equalizes, and is particularly well-suited to the tensioning of bucket elevator bottom change course device.
Claims (3)
1. elevator bottom synchronous adjustable tension gravity tension device, including heavy hammer mechanism (6), lever (5),
It is characterized in that, levered adjustment mechanism (1) is arranged on elevator lower casing (4) and above and connects lever
(5) one end, lever (5) other end connects heavy hammer mechanism (6), and lever (5) middle part is propped up by sliding
Plate (2) connects lever shaft mechanism (3), and lever shaft mechanism (3) connects elevator bottom changed course chain
Wheel assembly or pulley assemblies.
Elevator bottom synchronous adjustable tension gravity tension device the most according to claim 1, it is special
Levying and be, levered adjustment mechanism (1) is nut-screw rod structure.
Elevator bottom synchronous adjustable tension gravity tension device the most according to claim 1, it is special
Levy and be, one group of elevator bottom synchronous adjustable tension gravity tension device of each installation about elevator bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542806.3A CN105883304A (en) | 2014-09-26 | 2014-09-26 | Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542806.3A CN105883304A (en) | 2014-09-26 | 2014-09-26 | Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105883304A true CN105883304A (en) | 2016-08-24 |
Family
ID=57000310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410542806.3A Pending CN105883304A (en) | 2014-09-26 | 2014-09-26 | Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105883304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045842A (en) * | 2017-12-27 | 2018-05-18 | 安陆市永丰粮油机械制造有限公司 | It is a kind of can auto-tensioning carry material conveyer belt rice lifting machine upper frame |
| CN113753493A (en) * | 2021-09-10 | 2021-12-07 | 安徽强坤机械有限公司 | Chain conveyor capable of running in two directions |
-
2014
- 2014-09-26 CN CN201410542806.3A patent/CN105883304A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045842A (en) * | 2017-12-27 | 2018-05-18 | 安陆市永丰粮油机械制造有限公司 | It is a kind of can auto-tensioning carry material conveyer belt rice lifting machine upper frame |
| CN113753493A (en) * | 2021-09-10 | 2021-12-07 | 安徽强坤机械有限公司 | Chain conveyor capable of running in two directions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |