CN101517268B - An apparatus for controlling the tension of a track in heavy equipments - Google Patents
An apparatus for controlling the tension of a track in heavy equipments Download PDFInfo
- Publication number
- CN101517268B CN101517268B CN2007800349792A CN200780034979A CN101517268B CN 101517268 B CN101517268 B CN 101517268B CN 2007800349792 A CN2007800349792 A CN 2007800349792A CN 200780034979 A CN200780034979 A CN 200780034979A CN 101517268 B CN101517268 B CN 101517268B
- Authority
- CN
- China
- Prior art keywords
- vibration
- track
- tension
- adjustment unit
- idle pulley
- 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 - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
- F16H7/0838—Means for varying tension of belts, ropes, or chains with vibration damping means of the dissipating material type, e.g. elastomeric spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
- B62D55/305—Track-tensioning means acting on pivotably mounted idlers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/088—Manual adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Provided is an apparatus for controlling the tension of a track in heavy equipment. The including an idler directly supporting a heavy-equipment endless track, an idler guide to which the idler is rotatably connected, an anti-vibration spring connected to a rear portion of the idler guide for absorbing vibrations transmitted from the idler, and a tension adjustment unit connected to a rear portion of the anti-vibration spring for adjusting a distance between the idler and a track frame. The anti-vibration spring includes a plurality of anti-vibration rubber plates and a plurality of anti-vibration steel plates that are alternately arranged. The tension adjustment unit includes two male screw rods and a nut-shaped rotation member. The tension adjustment unit is fixedly connected with the anti-vibration spring through the front junction plate and connected with the truck frame through the back junction plate.
Description
Technical field
The present invention relates to be used for control the equipment of the tension force of heavy equipment endless track, more specifically, relate to the tension force of the crawler belt that is used for controlling heavy equipment and absorb the equipment of the vibration and the impact that occur in the crawler belt place effectively.
Background technique
Be used for the heavy wheeled vehicle (heavy equipment) of building industry with agricultural, wheel uses suspension to be connected to vehicle body, makes at vehicle launch, moves, stops and can be by suspension absorbed oscillation and impact when operating.
But track frame is attached to bottom section of body to be used for supporting the crawler heavy vehicle of crawler belt therein, and additional suspension frame structure is not provided, and makes can not to be absorbed effectively and weaken from the vibration and the impact of crawler belt transmission.Therefore, the parts of bottom section of body are possible owing to the vibration and the impact that are directly delivered to vehicle body from crawler belt damage, thereby cause wear-out failure and shorten component life.And the operator of track-laying vehicle possibly vibrated and impacted.
Simultaneously, because the frictional force between crawler belt and the ground, the crawler belt of heavy vehicle fluffs along with use, to such an extent as to the tension force of crawler belt must periodic adjustment.Fig. 8 shows the example of the conventional track tension control apparatus that is used for heavy vehicle.In traditional track tension control apparatus, the idle pulley 103 that supports crawler belt 101 is connected to idler guide 105, and tension link 107 is connected to the rear end of idler guide 105.The helical thread portion 109 of the rear end of idler guide 105 joins the set screw nut 113 of track frame 111 to.
In traditional tension control apparatus, can change the position of helical thread portion 109 through rotation tension link 107, to regulate idle pulley 103 with respect to the position of crawler belt 101 and the tension force of crawler belt 101 with respect to set screw nut 113.
Though can only use tension link 107 and set screw nut 113 to regulate the tension force of crawler belt 101, need a lot of times to rotate tension link 107 to regulate the tension force of crawler belt 101.And the vibration and the impact that are delivered to idle pulley 103 from crawler belt 101 can not be absorbed.
Therefore, introduced tension control apparatus with vibration absorption unit.
The example that has the tension control apparatus of vibration absorption unit shown in Fig. 9.With reference to Fig. 9, the idle pulley 103 that is arranged in crawler belt 101 front portions is supported by idler guide 105, and vibrating spring 115 joins the rear portion of idler guide 105 to, is used for absorbed oscillation and impact.Cylinder 117 joins the rear portion of vibrating spring 115 to, is used to regulate the tension force of crawler belt 101.Can through in cylinder 117 through the inlet 119 packing lubrication greases of cylinder 117 or discharge greases from cylinder 117 through inlet 119 and change vibrating spring 115 and be fixed with the distance between the track frame 111 of cylinder 117.Therefore, idle pulley 103 can be moved through the distance that changes between vibrating spring 115 and the track frame 111, thereby regulates the tension force of crawler belt 101.
But,, therefore can not be absorbed effectively and weakened through vibration and the impact that idle pulley 103 is delivered to tension adjustment unit 11 from crawler belt 101 because vibrating spring 115 is formed by steel usually.And, with grease-filled inconvenient in the cylinder 117, and need additional device with grease-filled in cylinder 117.And, can not be through using the grease expansion or shrinking the tension force that cylinder 117 regulates immediately crawler belt 101.
In addition, because wherein the cylinder 117 of packing lubrication grease is not durable, so cylinder 117 should be regularly (for example every two years or 3 years) renewal.
Summary of the invention
Technical problem
Therefore, the present invention aims to provide a kind of the elimination basically because the restriction of correlation technique and the track tension control apparatus of one or more problems that shortcoming causes.Provide this track tension control apparatus to come easily, simply and apace regulate the track tension in the heavy equipment, and absorb vibration and impact that the crawler belt place produces effectively.
Technological scheme
According to an aspect of the present invention, a kind of equipment that is used for controlling the heavy equipment track tension is provided, said equipment comprises: idle pulley, the direct heavy equipment of this idle pulley endless track; Idler guide, said idle pulley is rotatably connected to said idler guide; Vibration-proof spring, this vibration-proof spring is connected to the rear portion of said idler guide, is used to absorb the vibration of transmitting from said idle pulley; And tension adjustment unit; This tension adjustment unit is connected to the rear portion of said vibration-proof spring and regulates the distance between said idle pulley and the track frame; Said vibration-proof spring comprises a plurality of vibration-proof rubber plates and a plurality of vibration damping sheet of arranged alternate; Said tension adjustment unit comprises nut type rotary component and two external thread rods, and said tension adjustment unit is permanently connected through the preceding connecting plate and the said vibration-proof spring of front portion, and the back connecting plate through the rear portion is connected with said track frame.
Said tension adjustment unit comprises rotary component and two external thread rods of nut type, is used for easily, simply and apace regulates the distance between said idle pulley and the said track frame.
Said vibration-proof spring comprises a plurality of vibration-proof rubber plates and a plurality of vibration damping sheet of arranged alternate, thereby when heavy vehicle starts, advances, operates and stops, can absorb and weaken the vibration and the impact of transmitting from said crawler belt effectively.Therefore, the operator of heavy vehicle can make things convenient for and work effectively, and the parts of said heavy vehicle can have the much longer life-span.
Beneficial effect
According to the present invention, the vibration-proof spring of track tension control apparatus forms through arranged alternate rubber plate and steel plate, is used to absorb and weaken vibration and the impact that is delivered to heavy vehicle body from crawler belt.Therefore, can when heavy vehicle is operated, protect heavy vehicle body not receive the vibration and the impact of transmitting from crawler belt, and thereby the parts that constitute the substructure of heavy vehicle can have the long lifetime.Especially; Crawler belt at the heavy vehicle that is directly connected to the track tension control apparatus is in the situation of rubber belt track; The parts of heavy vehicle can have the much longer life-span through using said track tension control apparatus; And the operator can drive and operate heavy vehicle easily, improves operating efficiency thus.
And track tension control apparatus of the present invention comprises external thread rod and the nut type rotary component that engages with said external thread rod.Thereby, can come easily to change the distance between the external thread rod through rotating said rotary component, thereby can easily regulate the tension force of crawler belt through the distance between the change external thread rod.Therefore,, the tension force of crawler belt can be easily regulated, and, therefore the track tension control apparatus need be do not regularly not replaced because external thread rod and rotary component are very durable according to the present invention.
Description of drawings
Fig. 1 illustrates the side view that comprises according to the heavy equipment crawler belt of the track tension control apparatus of embodiment of the present invention.
Fig. 2 is the three-dimensional view that illustrates according to the track tension control apparatus of Fig. 1 of embodiment of the present invention.
Fig. 3 is the plane view that illustrates according to the track tension control apparatus of Fig. 2 of embodiment of the present invention.
Fig. 4 is the enlarged side view that illustrates according to the track tension control apparatus of Fig. 2 of embodiment of the present invention.
Fig. 5 is the front elevation according to the vibration-proof spring of the track tension control apparatus of embodiment of the present invention.
Fig. 6 is the front elevation that illustrates according to the tension adjustment unit of the track tension control apparatus of embodiment of the present invention.
Fig. 7 is illustrated in the situation of the heavy vehicle that uses track tension control apparatus of the present invention and traditional track tension control apparatus, at the plotted curve of the Oscillation Amplitude at place, heavy vehicle top.
Fig. 8 is the front elevation that the example of the conventional track tension control apparatus that is used for heavy equipment is shown.
Fig. 9 is the front elevation that another example of the conventional track tension control apparatus that is used for heavy equipment is shown.
Embodiment
To the present invention be described about the accompanying drawing that exemplary embodiment of the invention is shown now.
Fig. 1 illustrates the side view that comprises according to the heavy equipment crawler belt of the track tension control apparatus of embodiment of the present invention, and Fig. 2 is the three-dimensional view that illustrates according to the track tension control apparatus that is used for heavy equipment of Fig. 1 of embodiment of the present invention.With reference to Fig. 1 and 2, the track tension control apparatus is arranged between endless track 1 and the track frame 3, is used to regulate the tension force of crawler belt 1, and is absorbed in vibration and impact that crawler belt 1 place produces.Endless track 1 usefulness acts on the supply unit of heavy vehicle, and track frame 3 forms the substructure of heavy vehicle.The track tension control apparatus comprises the idle pulley 5 of direct support endless track 1, rotatably connects the tension adjustment unit 11 that the distance between idle pulley 5 and the track frame 3 is regulated at rear portion that the idler guide 7 of idle pulley 5, the rear portion that is connected to idler guide 7 absorb the vibration-proof spring 9 of the vibration of transmitting from idle pulley 5 and be connected to vibration-proof spring 9.
As shown in Figure 5, vibration-proof spring 9 comprises a plurality of vibration-proof rubber plate 9a and a plurality of vibration damping sheet 9b of arranged alternate.Can be through vibration damping sheet 9b be arranged in the mould with regular spaces, and rubber formed the vibration-proof rubber plate 9a between the vibration damping sheet 9b injecting said mould under the predetermined pressure, thus form vibration-proof spring 9.Therefore, vibration-proof spring 9 can be used as a parts formation.
One end of vibration-proof spring 9 is fixed to the connecting plate 7a of idler guide 7, and the other end of vibration-proof spring 9 is fixed to the preceding connecting plate 11a of tension adjustment unit 11.Therefore, vibration-proof spring 9 can absorb vibration and the impact between idler guide 7 and the tension adjustment unit 11.
As shown in Figure 6, tension adjustment unit 11 has bolt-nut structure.Particularly, tension adjustment unit 11 comprises rotary component 11d and two the external thread rod 11b and the 11c of nut type (internal screw thread form).
Before connecting plate 11a and external thread rod 11b integrally formed, and afterwards connecting plate 11e and external thread rod 11c are integrally formed.
Therefore, current connecting plate 11a is connected to vibration-proof spring 9, and back connecting plate 11e is when being connected to track frame 3, and external thread rod 11b and 11c can not rotate.In this state, can change the distance between external thread rod 11b and the 11c through rotating said rotary component 11d.Therefore, the idle pulley 5 that is connected to tension adjustment unit 11 through idler guide 7 and vibration-proof spring 9 can be moved through the distance that changes between external thread rod 11b and the 11c, thereby can regulate the tension force of crawler belt 1 through the motion of idle pulley 5.
As illustrated among Fig. 1 to 4, the track tension control apparatus is installed in as the crawler belt 1 of the supply unit of heavy vehicle and forms between the track frame 3 of heavy vehicle substructure.Idle pulley 5 is not directly connected to driver element.That is, idle pulley 5 can rotate freely and support crawler belt 1.
Under this state, vibration that when heavy vehicle starts, moves, operates or stops, producing and impact are delivered to vibration-proof spring 9 from crawler belt 1 through idle pulley 5 and idler guide 7.At vibration-proof spring 9 places, vibration and impact vibration damping sheet 9b and the interaction between the vibration-proof rubber plate 9a through vibration-proof spring 9 and cancel each other out and weaken.
Fig. 7 illustrates the plotted curve that the track tension control apparatus that will have vibration-proof spring 9 according to the present invention is used for the experimental result that the situation of heavy vehicle compares with the situation that traditional track tension control apparatus is used for heavy vehicle.Among Fig. 7, dotted line representes to use the situation of conventional track tension control apparatus, and solid line representes to use the situation of track tension control apparatus of the present invention.
With reference to Fig. 7, when track tension control apparatus of the present invention was used for heavy vehicle, body vibrations was less and regular, and with the starting of heavy vehicle, advance and stop to have nothing to do.But, when traditional track tension control apparatus is used for heavy vehicle, vehicle body according to the starting of heavy vehicle, advance and stop and more greatly and irregularly vibration.
Claims (1)
1. equipment that is used for controlling the heavy equipment track tension, said equipment comprises:
Idle pulley (5), this idle pulley (5) directly supports endless track (1);
Idler guide (7), said idle pulley (5) is rotatably connected to said idler guide (7);
Vibration-proof spring (9), this vibration-proof spring (9) is connected to the rear portion of said idler guide (7), is used for absorbing the vibration of transmitting from said idle pulley (5); With
Tension adjustment unit (11), this tension adjustment unit (11) is connected to the rear portion of said vibration-proof spring (9), regulates the distance between said idle pulley (5) and the track frame (3),
Wherein, said vibration-proof spring (9) comprises a plurality of vibration-proof rubber plates (9a) and a plurality of vibration damping sheet (9b) of arranged alternate,
Said tension adjustment unit (11) comprise nut type rotary component (11d) and two external thread rods (11b, 11c),
Said tension adjustment unit (11) is permanently connected through anterior preceding connecting plate (11a) and said vibration-proof spring (9), and the back connecting plate (11e) through the rear portion is connected with said track frame (3).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060090922A KR100787367B1 (en) | 2006-09-20 | 2006-09-20 | An apparatus for controlling the tension of a track in heavy equipments |
| KR1020060090922 | 2006-09-20 | ||
| KR10-2006-0090922 | 2006-09-20 | ||
| PCT/KR2007/004589 WO2008035931A1 (en) | 2006-09-20 | 2007-09-20 | An apparatus for controlling the tension of a track in heavy equipments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101517268A CN101517268A (en) | 2009-08-26 |
| CN101517268B true CN101517268B (en) | 2012-06-13 |
Family
ID=39147537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800349792A Expired - Fee Related CN101517268B (en) | 2006-09-20 | 2007-09-20 | An apparatus for controlling the tension of a track in heavy equipments |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100787367B1 (en) |
| CN (1) | CN101517268B (en) |
| WO (1) | WO2008035931A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5376549B2 (en) | 2009-06-08 | 2013-12-25 | ディーアールビー ホールディング シーオー．，エルティーディー． | Track tension adjuster |
| EP2428436B1 (en) * | 2010-09-14 | 2014-11-05 | Joseph Vögele AG | Track assembly |
| KR101324775B1 (en) * | 2010-12-09 | 2013-11-05 | 한아에쎄스 주식회사 | Undercarriage with a structure for buffering tension of rubber crawler |
| JP5579632B2 (en) * | 2011-01-17 | 2014-08-27 | 日立建機株式会社 | Crawler belt adjustment device |
| GB2522474A (en) * | 2014-01-28 | 2015-07-29 | Caterpillar Inc | Idler assembly for a track roller frame |
| CN104132764B (en) * | 2014-08-14 | 2016-08-17 | 中联重科股份有限公司 | Crawler tensioning force measuring device and comprise the creeper truck of this measurement apparatus |
| EP3002181A1 (en) * | 2014-10-03 | 2016-04-06 | Caterpillar, Inc. | Impact absorption device |
| KR101530843B1 (en) * | 2015-03-30 | 2015-06-24 | 주식회사 스맥 | fire fighting robot having high waterproof property and high heat resistance |
| KR101530844B1 (en) * | 2015-03-30 | 2015-06-25 | 주식회사 스맥 | fire fighting robot having high waterproof property and high wireless communication capabilty |
| KR101530704B1 (en) * | 2015-03-30 | 2015-06-25 | 주식회사 스맥 | fire fighting robot having high waterproof property |
| CN104802870B (en) * | 2015-04-21 | 2018-10-23 | 三一重机有限公司 | A kind of mechanical tensioning device and its occupation mode of crawler type walking mechanism |
| US10035551B2 (en) * | 2015-06-19 | 2018-07-31 | Delve Equipment, LLC | Tracked vehicle suspension systems and methods |
| KR101774459B1 (en) * | 2016-01-15 | 2017-09-19 | 주식회사 티앤에스모터스 | All Terrain Vehicles for Fire Suppression |
| KR101896064B1 (en) | 2016-11-11 | 2018-09-06 | 주식회사 대일기공 | oil skimmer |
| CA3013013A1 (en) * | 2017-08-02 | 2019-02-01 | Joy Global Surface Mining Inc | Passive track tensioning system |
| WO2019061314A1 (en) * | 2017-09-29 | 2019-04-04 | 张丽红 | Crawler spring tension-maintaining device for heavy duty construction equipment |
| CN113775715A (en) * | 2021-08-27 | 2021-12-10 | 中国煤炭科工集团太原研究院有限公司 | Chain tensioning device and anchor rod drill carriage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171086A (en) * | 1994-12-27 | 1998-01-21 | 株式会社小松制作所 | Crawler type vehicle running device |
| KR0145155B1 (en) * | 1994-08-24 | 1998-08-01 | 류기철 | Connecting device of a chevron rubber spring in railcar |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2660724B2 (en) * | 1989-07-06 | 1994-10-28 | Hutchinson | TENSIONER FOR TRANSMISSION BELT. |
| KR200309252Y1 (en) * | 1997-07-25 | 2003-06-18 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Track Tension Control Device |
| JP4473081B2 (en) * | 2004-09-21 | 2010-06-02 | 日立建機株式会社 | Tracked vehicle |
-
2006
- 2006-09-20 KR KR1020060090922A patent/KR100787367B1/en active IP Right Grant
-
2007
- 2007-09-20 WO PCT/KR2007/004589 patent/WO2008035931A1/en active Application Filing
- 2007-09-20 CN CN2007800349792A patent/CN101517268B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0145155B1 (en) * | 1994-08-24 | 1998-08-01 | 류기철 | Connecting device of a chevron rubber spring in railcar |
| CN1171086A (en) * | 1994-12-27 | 1998-01-21 | 株式会社小松制作所 | Crawler type vehicle running device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101517268A (en) | 2009-08-26 |
| WO2008035931A1 (en) | 2008-03-27 |
| KR100787367B1 (en) | 2007-12-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20130920 |