CN201539543U - Transmission tensioning device - Google Patents
Transmission tensioning device Download PDFInfo
- Publication number
- CN201539543U CN201539543U CN2009202368385U CN200920236838U CN201539543U CN 201539543 U CN201539543 U CN 201539543U CN 2009202368385 U CN2009202368385 U CN 2009202368385U CN 200920236838 U CN200920236838 U CN 200920236838U CN 201539543 U CN201539543 U CN 201539543U
- Authority
- CN
- China
- Prior art keywords
- back shaft
- chain
- transmission
- elongated slot
- tension device
- 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
Links
Images
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a transmission tensioning device which is used for tensioning and adjusting a chain in chain transmission, and comprises a tensioning sprocket, a support shaft, an adjusting plate, an adjustable bolt, an adjusting block and a spring, wherein the adjusting plate is provided with a longitudinal elongated slot and an adjusting hole communicated with the longitudinal elongated slot; the adjusting block is installed in the longitudinal elongated slot and connected with the adjusting plate in a sliding manner; the top end of the support shaft passes through and is pivoted with the tensioning sprocket; the tail end of the support shaft is installed in the longitudinal elongated slot, and is connected with the adjusting plate in a sliding manner; one end of the spring is butted against the adjusting block, and the other end thereof is butted against one side of the support shaft; and the adjustable bolt passes through the adjusting hole and is butted against the other side of the support shaft. The transmission tensioning device of the utility model not only has simple structure and easy processing, but also has automatic applicable function, and is stable and reliable, convenient in operation, easy to be adjusted, and wide in application range.
Description
Technical field
The utility model relates to a kind of tension device, relates in particular in a kind of chain-driven chain is carried out tensioning and regulates the transmission tension device.
Background technique
Traditional kind of drive comprises gear transmission, sprocket driving, chain-driven or the like, wherein gear transmission and sprocket driving are neither is suitable for carrying out in the power transmission distance place far away between two sprocket wheels, and chain-driven not only is applicable to remote transmission, again because its reliable operation, nonelastic slip and skidding, the various machines of extensive use, go deep into the every field of machine-building, as machinery such as agricultural, mine, lifting transportation, metallurgy, building, oil, chemical industry.But chain-driven can only be used for turning round transmission in the same way between two parallel axes, can not keep constant instantaneous transmission ratio during motion, and the wearing and tearing back easily takes place to jump tooth, and noise is arranged during work, should not use in the big and reverse rapidly transmission of load change.In order to overcome or to reduce chaindriven shortcoming, produce the oscillation phenomenon of the bad and chain of engagement when avoiding the sag of chain excessive, increase the cornerite of chain and tension sprocket, general chain-driven all can be adopted tension device.
Chain stretching device is made up of tension sprocket and tension force controlling device usually, and existing chain stretching device is complex structure not only, and component are more, and cost is higher, and regulates the complicated operation of the tension force controlling device of tension sprocket tension force, poor reliability; And tension force controlling device of the prior art since chain wear elongated after, can not regulate the tension force of chain automatically, transmission accuracy is reduced, can not realize exempting to keep state, if operator can not in time find and regulate the rate of tension of chain, problems such as bad, that tension sprocket comes off will appear meshing.In addition since the tension force that existing chain stretching device applies to chain roughly, no vibration damping and buffering structure, make when beating appears in whole drive system that the generation jumping tooth of big probability, chain vibration problem influence the stationarity of chain-driven process.
Therefore, be badly in need of a kind of simple in structure, easy to operate, steady reliable, transmission tension device with automatic regulatory function.
The model utility content
The purpose of this utility model provides and a kind ofly simple in structurely, convenient regulates, steady reliable and transmission tension device with automatic regulatory function.
For achieving the above object, the technical solution of the utility model is: a kind of transmission tension device is provided, be used for chain-driven chain is carried out tensioning and adjusting, described transmission tension device comprises tension sprocket, back shaft, regulator plate, adjusting bolt, adjusts piece and spring, the adjustment hole that longitudinally offers vertical elongated slot respectively and be communicated with described vertical elongated slot on the described regulator plate; Described adjustment piece is installed in described vertical elongated slot and with described regulator plate and is slidingly connected, described back shaft top is passed described tension sprocket and is articulated with described tension sprocket, and described back shaft end is installed in described vertical elongated slot and with described regulator plate and is slidingly connected; One end of described spring is butted on the described adjustment piece, and the other end is butted on the side of described back shaft, and described adjusting bolt passes described adjustment hole and is butted on the opposite side of described back shaft, and described adjustment hole and described spring are located along the same line.
Preferably, described regulator plate is along laterally offering horizontal installation slotted hole.On the one hand, described horizontal installation slotted hole makes of the present utility model easy for installation, and applicability is wide; On the other hand,, can laterally adjust the position of described regulator plate fixedly the time at described transmission tension device by described horizontal installation slotted hole, thus the position of the described chain-driven unit of lateral adjustments on described chain.
Preferably, described transmission tension device also comprises bearing, and described tension sprocket is set in outside the described bearing, and described bearing housing is located at outside the described back shaft.Wherein, described bearing is articulated described tension sprocket and described back shaft, during the work of transmission tension device, described tension sprocket and described chain engages, described chain rotates, the tension sprocket that is engaged with is subjected to also beginning to rotate from the radial load of described chain, described bearing makes described back shaft better bear the radial pressure from chain on the one hand, also between described tension sprocket and described back shaft, played tangible lubrication effect on the other hand, prevented that tension sprocket from rotating the mechanical wear of bringing.
Preferably, described bearing is a deep groove ball bearing.Described deep groove ball bearing is low, the simple structure of cost not only, and working service is convenient, and can bear the load from radially preferably, when described transmission tension device work, can better bear the radial pressure that back shaft is applied from tension sprocket.
Preferably, described transmission tension device also comprises a plurality of sliding screws, longitudinally also offers vertical slotted hole in described vertical elongated slot, and described sliding screw passes described vertical slotted hole fixedlys connected with described adjustment piece with described back shaft respectively.By sliding screw described adjustment piece and described support the tip of the axis are constrained in vertical elongated slot of described adjustment plate, and can slide along this vertical slotted hole, make that structure of the present utility model is simpler, processing cost is low.
Compared with prior art, because the utility model transmission tension device comprises tension sprocket, back shaft, regulator plate, adjusting bolt, adjusts piece and spring, described regulator plate is used for fixing described transmission tension device, described tension sprocket is installed on the described back shaft, described back shaft is installed on the described regulator plate, therefore the utility model is simple in structure, easy processing, easy to maintenance.Back shaft one side owing to the utility model transmission tension device is connected with described spring again, opposite side and described adjusting bolt are inconsistent, on the one hand, the utility model can adapt to and keep tensioning state automatically by the deadweight of described tension sprocket and the elastic force of described spring, exempt to keep state even make described chain also can keep its tensioning state to make whole transmission process be within the specific limits owing to wearing and tearing are elongated, has automatic regulatory function, solved in the prior art after described chain wear is elongated, produced chain and sprocket engagement is bad and chain vibration, problems such as tension sprocket comes off; On the other hand, the introducing of described spring makes uses transmission system of the present utility model can give vibration damping and buffering when occurring beating, thereby guaranteed the steadily reliable of whole transmission, solved when beating appears in transmission process in the prior art, chain drive system take place to be jumped problems such as tooth, engagement are bad, chain vibration; On the one hand, utilize described adjusting bolt to regulate the position of described back shaft in described vertical elongated slot again, make that the utility model can pass through to regulate the bolt on-call maintenance after described chain wear is elongated, and easy to operate, be easy to regulate wide accommodation.Therefore, transmission tension device described in the utility model has automatic regulatory function, and simple in structure, and easy processing, easy to maintenance, steadily reliable, easy to operate is easy to regulate wide accommodation.
Description of drawings
Fig. 1 is the structural representation of the utility model transmission tension device.
Fig. 2 is another structural representation of the utility model transmission tension device.
Fig. 3 a is the utility model transmission Application of Chain Belt schematic representation.
Fig. 3 b is the Another Application schematic representation of the utility model transmission tension device.
Embodiment
As depicted in figs. 1 and 2, described transmission tension device 10 is used for chain-driven chain is carried out tensioning and adjusting, comprise tension sprocket 22, back shaft 21, regulator plate 11, regulate bolt 31, adjust piece 32 and spring 33, the adjustment hole 15 that longitudinally offers a vertical elongated slot 12 on the described regulator plate 11 respectively and be communicated with vertical elongated slot 12; Described adjustment piece 32 is installed in described vertical elongated slot 12 and with described regulator plate 11 and is slidingly connected, described back shaft 21 tops are passed described tension sprocket 22 and are articulated with described tension sprocket 22, and described back shaft 21 ends are installed in described vertical elongated slot 12 and with described regulator plate 11 and are slidingly connected; One end of described spring 33 is butted on the described adjustment piece 32, the other end is butted on the side of described back shaft 21, described adjusting bolt 31 passes described adjustment hole 15 and is against on the opposite side of described back shaft 21, and described adjustment hole 15 is located along the same line with described spring 33.
The preferably, described regulator plate 11 is along laterally also offering horizontal installation slotted hole 13.As shown in Figure 2, offer four on the described regulator plate 11 slotted hole 13 laterally is installed, and 4 13 two one rows of slotted hole are installed laterally, two rows have been lined up, can described transmission tension device 10 be fixed on the appropriate location of described chain and the position of lateral adjustments transmission tension device 10 by described horizontal installation slotted hole 13.Wherein, described horizontal installation slotted hole 13 also can be two, three or other.
The preferably, described transmission tension device 10 also comprises bearing 24, and described tension sprocket 22 is set in outside the described bearing 24, and described bearing 24 is set in outside the described back shaft 21.Described bearing 24 makes described back shaft 21 better bear the radial pressure from chain on the one hand, has also played tangible lubrication effect between described tension sprocket 22 and described back shaft 21 on the other hand.
Particularly, described bearing 24 is a deep groove ball bearing, as can see from Figure 1, deep groove ball bearing 24 comprises two concentric lassos and several to bulbus cordis, and two lassos are respectively and are set in the tension sprocket 22 and the outer collar of fixedlying connected with described tension sprocket 22 and be set in the inside race that back shaft 21 is outer and fixedly connected with described back shaft 21.All have cross section on above-mentioned two lassos and be approximately 1/3rd continuous ditch type raceway to the girth of bulbus cordis, several are the center of circle to bulbus cordis with the center of two concentric lassos, circular array is in above-mentioned ditch type raceway and between outer collar and inside race, make outer collar rotate around inside race to bulbus cordis, thereby make that described tension sprocket 22 is the running shaft rotation with described back shaft 21 across described.More specifically, described transmission tension device 10 also comprises back-up ring 23, bearing cap 25, as shown in Figure 1, described back-up ring 23 is the center with described back shaft 21, retaining is outside the outer collar of described tension sprocket 22 and bearing 24, not only between described tension sprocket 22 and outer collar, play pad, and had outer collar and tension sprocket 22 dislocation that prevent bearing 24; Described bearing cap 25 is the center with back shaft 21, is fixed on by screw 41 outside the inside race of back shaft 21 and bearing 24, prevents that the inside race of bearing 24 from coming off from back shaft 21.
The preferably, described transmission tension device 10 also comprises a plurality of sliding screws 42, longitudinally also offer vertical slotted hole 14 in described vertical elongated slot 12, described sliding screw 42 passes described vertical slotted hole 14 fixedlys connected with described adjustment piece 32 with described back shaft 21 respectively.Wherein, described adjustment piece 32 is constrained in vertical elongated slot 12 of described adjustment plate 11, and can slide, make that by sliding screw 42 back shaft 21 can slotted hole 14 slips longitudinally in described vertical elongated slot 12 along this vertical slotted hole 14 by sliding screw 42.
Fig. 3 a and Fig. 3 b are the schematic representation that the utility model transmission tension device 10 is applied to chain drive system, wherein, chain drive system comprises main chain wheel 51, auxiliary sprocket wheel 52, chain 53 and transmission tension device 10, described chain 53 is wrapped on main chain wheel 51 and the auxiliary sprocket wheel 52, and with main chain wheel 51 and 52 engagements of auxiliary sprocket wheel, described transmission tension device 10 is installed on the transmission loop of chain drive system by horizontal installation slotted hole 13, and described tension sprocket 22 is meshed with chain 53.Wherein, described transmission tension device 10 can be regulated the lateral attitude of described tension sprocket 22 on chain 53 by a small margin by horizontal installation slotted hole 13 fixedly the time.
Fig. 3 a has described when above-mentioned chain drive system clockwise rotates, the utility model transmission tension device 10 is applied to the schematic representation of described chain drive system, described main chain wheel 51 drives described chain 53 and clockwise rotates, described chain 53 drives described auxiliary sprocket wheel 52 successively and tension sprocket 22 clockwise rotates, and can show that from figure transmission tension device 10 is applied to the mounting point of described chain 53 inside.Fig. 3 b has described when above-mentioned chain drive system rotates counterclockwise, the utility model transmission tension device 10 is applied to the schematic representation of described chain drive system, described main chain wheel 51 drives described chain 53 and rotates counterclockwise, and described chain 53 drives described auxiliary sprocket wheel 52 successively and described tension sprocket 22 rotates counterclockwise.
The utility model transmission tension device 10 is used for chain drive system chain 53 is carried out tensioning and adjusting, comprises tension sprocket 22, back shaft 21, regulator plate 11, regulates bolt 31, adjusts piece 32 and spring 33, simple in structure, easy processing.Wherein, the adjustment hole 15 that offer a vertical elongated slot 12 on the described regulator plate 11, is communicated with vertical elongated slot 12; Described back shaft 21 longitudinally elongated slot 12 slides, and described adjustment piece 32 utilizes screw 42 to constrain in vertical elongated slot 12 of described regulator plate, and can slide along this vertical elongated slot 12; Described adjusting bolt 31 is used to regulate the position of described back shaft 21 in vertical elongated slot 12 of described regulator plate 11; Described spring 33 is fitted between described adjustment piece 32 and the described back shaft 21, can pass through the pressure stress of the described spring 33 of position regulation of the described adjustment piece 32 of adjustment when described back shaft 21 positions are determined.Because deadweight and 33 pairs of described back shaft 21 pressure stress of described spring of described tension sprocket 22, make 22 pairs of chains that are engaged with of tension sprocket 53 produce tension force, even it is elongated to make that chain 53 weares and teares, under the effect of spring 33, also can keep the tensioning state of described chain 53 within the specific limits, whole transmission process is in exempt to keep state; On the other hand, because the existence of described spring 33, the rate of tension of described chain 53 can maintain in the suitable scope, also can in time give vibration damping and buffering even beating appears in described chain drive system, thereby has guaranteed the stability of transmission process; Again on the one hand, when described chain 53 surpasses 10 self-regulating scopes of energy of the utility model transmission tension device owing to the elongated amplitude of long-time wearing and tearing, can regulate bolt 31 by rotation, regulate the lengthwise position of described transmission tension device 10 in described chain 53 inside, thus the rate of tension of conveniently regulating chain 53.Therefore, not only simple in structure, the easy processing of transmission tension device 10 described in the utility model, and have automatically be suitable for function, steadily reliable, easy to operate, be easy to regulate wide accommodation.
The utility model transmission tension device 10 is not limit above-mentioned disclosed embodiment, the compound mode that also can have other, for example spring 33 is placed back shaft 21 downsides, regulate bolt 31 and pass the upside that adjustment piece 32 places back shaft 21, the equivalent variations that belongs to the utility model claim still belongs to the scope that the utility model is contained.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (5)
1. transmission tension device, be used for chain-driven chain is carried out tensioning and adjusting, it is characterized in that, described transmission tension device comprises tension sprocket, back shaft, regulator plate, regulate bolt, adjust piece and spring, longitudinally offer vertical elongated slot on the described regulator plate respectively, with the adjustment hole that is communicated with described vertical elongated slot, described adjustment piece is installed in described vertical elongated slot and with described regulator plate and is slidingly connected, described back shaft top is passed described tension sprocket and is articulated with described tension sprocket, and described back shaft end is installed in described vertical elongated slot and with described regulator plate and is slidingly connected; One end of described spring is butted on the described adjustment piece, and the other end is butted on the side of described back shaft, and described adjusting bolt passes described adjustment hole and is butted on the opposite side of described back shaft, and described adjustment hole and described spring are located along the same line.
2. transmission tension device as claimed in claim 1 is characterized in that: described regulator plate is along laterally offering horizontal installation slotted hole.
3. transmission tension device as claimed in claim 1 is characterized in that: also comprise bearing, described tension sprocket is set in outside the described bearing, and described bearing housing is located at outside the described back shaft.
4. transmission tension device as claimed in claim 3 is characterized in that: described bearing is a deep groove ball bearing.
5. transmission tension device as claimed in claim 1, it is characterized in that: also comprise a plurality of sliding screws, longitudinally offer vertical slotted hole in described vertical elongated slot, described sliding screw passes described vertical slotted hole fixedlys connected with described adjustment piece with described back shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202368385U CN201539543U (en) | 2009-09-30 | 2009-09-30 | Transmission tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202368385U CN201539543U (en) | 2009-09-30 | 2009-09-30 | Transmission tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539543U true CN201539543U (en) | 2010-08-04 |
Family
ID=42590995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202368385U Expired - Lifetime CN201539543U (en) | 2009-09-30 | 2009-09-30 | Transmission tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672352B (en) * | 2009-09-30 | 2011-05-11 | 东莞宏威数码机械有限公司 | Chain transmission tensioning device |
| CN113068510A (en) * | 2021-04-02 | 2021-07-06 | 中国铁建重工集团股份有限公司 | Silage harvester and knife sharpening device thereof |
-
2009
- 2009-09-30 CN CN2009202368385U patent/CN201539543U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672352B (en) * | 2009-09-30 | 2011-05-11 | 东莞宏威数码机械有限公司 | Chain transmission tensioning device |
| CN113068510A (en) * | 2021-04-02 | 2021-07-06 | 中国铁建重工集团股份有限公司 | Silage harvester and knife sharpening device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101672352B (en) | Chain transmission tensioning device | |
| CN206017605U (en) | A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod | |
| CN201539543U (en) | Transmission tensioning device | |
| CN205715565U (en) | A kind of regulating wheel with rack-and-pinion | |
| CN204852203U (en) | Chassis dynamometer and overspeed device tensioner thereof | |
| CN109027152A (en) | The tensioner component of the linear mould group of V belt translation and linear mould group including it | |
| US2924982A (en) | Reversible belt drive | |
| CN105506868B (en) | A kind of full-computerized gloves overedger | |
| CN202349124U (en) | Automatic regulation belt tightening pulley device | |
| US2753724A (en) | Belt pulley | |
| CN209587069U (en) | A kind of belt stretcher | |
| CN205346001U (en) | Glass substrate's hold -in range conveyer | |
| CN103982609A (en) | Eccentric idler wheel and using method thereof | |
| CN204175889U (en) | A kind of speed change gear of adjustable feed length | |
| CN202560957U (en) | Chain-wheel tensioning mechanism | |
| CN202326950U (en) | Chain tensioning device | |
| CN201902242U (en) | Timing driving system and diesel engine | |
| CN205859074U (en) | Chain drive tensioner | |
| CN203889486U (en) | Tension rectification device for use in steel belt transmission | |
| CN204896568U (en) | Claw drive arrangement's chain tensioning device | |
| CN103883708A (en) | Gear rack transmission mechanism and gap elimination device for gear rack transmission mechanism | |
| CN107830133A (en) | A kind of belt left regulation wheel of achievable bidirectional modulation tensioner | |
| CN201670959U (en) | Tension automatic-tracking device of synthetic leather post-processing production line | |
| CN207673801U (en) | A kind of chain tension adjustment equipment | |
| CN208649771U (en) | The spring damping tension-adjusting gear of high-precision wirerope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100804 Effective date of abandoning: 20090930 |