CN114132402A - Tensioning device for tracked vehicle - Google Patents
Tensioning device for tracked vehicle Download PDFInfo
- Publication number
- CN114132402A CN114132402A CN202111681068.7A CN202111681068A CN114132402A CN 114132402 A CN114132402 A CN 114132402A CN 202111681068 A CN202111681068 A CN 202111681068A CN 114132402 A CN114132402 A CN 114132402A
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- loop bar
- tensioning
- inner loop
- screw rod
- rod
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a tensioning device for a tracked vehicle, which comprises: the outer sleeve rod is fixedly arranged on the underframe and used for providing support; the inner loop bar is slidably arranged in the outer loop bar, and the end part of the inner loop bar is provided with a mounting bracket; the tensioning wheel is rotatably arranged on the mounting bracket; the threaded seat is slidably arranged in the outer loop bar and is used for pushing the inner loop bar to slide in the outer loop bar; the tensioning screw rod is installed in the outer sleeve rod in a penetrating mode, and a round hole matched with the tensioning screw rod is formed in the outer sleeve rod. Has the advantages that: adopt interior loop bar and outer loop bar matched with structural design, can cooperate through rotatory tensioning lead screw and screw thread seat, and then drive interior loop bar and at the inside removal of outer loop bar, promote the take-up pulley butt and prop to the track is inside, ensure track safe and reliable in transmission process, reduce the probability of derailing, easy operation is convenient, adjusts the degree of difficulty and hangs down, and the durability is good.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a tensioning device for a tracked vehicle.
Background
In order to facilitate the adaptation of agricultural production in severe environment, a track transmission structure is often adopted as a vehicle advancing mode, in order to ensure the stability of a track in the advancing process, the track is prevented from loosening after being extended to influence power transmission, a tensioning structure is usually designed, the structure of the existing tensioning device is heavy, the difficulty in manual adjustment is high, the requirement on the machining precision of parts is high, and the guide rod is easy to block when the error is slightly large. In addition, after the crawler belt is lengthened in the later period, when the guide rod stretches out, the guide rod is easy to bend and deform, so that the power transmission of the crawler belt is influenced, and the production is delayed.
Disclosure of Invention
The invention aims to solve the problems, and provides a tensioning device for a tracked vehicle, which aims to solve the problems that the existing tensioning device in the prior art is heavy in structure and difficult to adjust manually, has high requirements on the machining precision of parts, and is easy to cause the guide rod to be blocked when the error is slightly large. In addition, after the crawler belt is lengthened in the later period, when the guide rod stretches out, the guide rod is easy to bend and deform, so that the power transmission of the crawler belt is influenced, and the production is delayed. According to the technical scheme, the structure design that the inner loop bar is matched with the outer loop bar is adopted, the inner loop bar can be driven to move in the outer loop bar by matching the rotary tensioning screw rod with the threaded seat, the tensioning wheel is pushed to abut against the inner portion of the track to be supported, the track is ensured to be safe and reliable in the transmission process, the probability of derailment is reduced, the operation is simple and convenient, the adjusting difficulty is low, and the technical effect of good durability is achieved, and the technical effects are elaborated below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a tensioning device for a tracked vehicle, comprising:
the outer sleeve rod is fixedly arranged on the underframe and used for providing support;
the inner loop bar is slidably arranged in the outer loop bar, and the end part of the inner loop bar is provided with a mounting bracket;
the tensioning wheel is rotatably arranged on the mounting bracket;
the threaded seat is slidably arranged in the outer loop bar and is used for pushing the inner loop bar to slide in the outer loop bar;
the tensioning screw rod is installed in the outer sleeve rod in a penetrating mode, and a round hole matched with the tensioning screw rod is formed in the outer sleeve rod.
Preferably, the outer loop bar and the inner loop bar are both made of square tubes, and the outer loop bar and the inner loop bar are in clearance fit.
Preferably, a limiting plate is designed at one end, close to the tension wheel, of the outer sleeve rod, and a through hole for the inner sleeve rod to pass through is formed in the limiting plate.
Preferably, a locking plate for limiting the tension screw rod is mounted at the end part of the outer sleeve rod far away from the tension wheel.
Preferably, a rotating shaft is horizontally arranged on the mounting bracket, a bearing is sleeved on the outer wall of the rotating shaft, and the tensioning wheel is in running fit with the rotating shaft through the bearing.
Preferably, the side wall of the tensioning screw rod is provided with a step, and the inner wall of the outer sleeve rod is provided with a thrust bearing matched with the step.
Has the advantages that:
1. by adopting the structural design that the inner loop bar is matched with the outer loop bar, the inner loop bar can be driven to move in the outer loop bar by matching the rotary tensioning screw rod with the threaded seat, and the tensioning wheel is pushed to abut against the inner part of the track to be supported, so that the safety and reliability of the track in the transmission process are ensured, the probability of derailment is reduced, the operation is simple and convenient, the adjustment difficulty is low, and the durability is good;
2. the outer loop bar and the inner loop bar are both made of square tubes, so that the cost is low, and meanwhile, the friction force can be reduced as much as possible and the resistance during adjustment can be reduced by adopting a clearance fit design;
3. the structural design of the limiting plate is adopted, the port of the outer sleeve can be reinforced, the overall strength of the outer loop bar is improved, and the limiting plate is provided with a through hole for the inner loop bar to pass through, so that the inner loop bar can conveniently pass through the limiting plate to be adjusted in a sliding manner;
4. through the structural design of the locking plate, the locking plate can be fixedly arranged at the end part of the outer sleeve rod by using a screw after the tensioning screw rod is adjusted, and then the locking plate is used for limiting the tensioning screw rod, so that the tensioning screw rod is prevented from rotating in the use process of subsequent equipment, and the position stability of the tensioning wheel is ensured;
5. the bearing is matched with the rotating shaft, so that the tensioning wheel can be conveniently installed, and the outer side of the bearing is clamped and fixed with the mudguard, so that soil in an operation environment can be prevented from entering the bearing, and the service life of the tensioning wheel is prolonged;
6. the step is positioned at one section of the tensioning screw rod extending into the outer sleeve rod, and can be tightly attached to the surface of the thrust bearing through the reaction force of the tensioning screw rod when in use, so that the friction force generated when the tensioning screw rod is rotated is reduced, and the position of the tensioning wheel is convenient to adjust;
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the first embodiment of the present invention;
FIG. 2 is a perspective view of the second embodiment of the present invention;
FIG. 3 is a first perspective view of the present invention;
FIG. 4 is a second perspective view of the present invention;
FIG. 5 is a front view of the present invention;
fig. 6 is a front sectional view of the present invention.
The reference numerals are explained below:
1. an outer loop bar; 2. a thrust wheel; 3. a drive wheel; 4. a chassis; 5. a crawler belt; 6. a locking plate; 7. tensioning the screw rod; 8. a limiting plate; 9. a tension wheel; 10. a bearing; 11. a rotating shaft; 12. mounting a bracket; 13. an inner loop bar; 14. a thrust bearing; 15. a step; 16. a threaded seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-6, the present invention provides a tensioner for a tracked vehicle comprising: the outer loop bar 1 is fixedly welded on the base frame 4 and used for supporting other parts, the outer loop bar 1 is arranged obliquely downwards, so that sundries are not easy to enter a pipe, the tensioning wheel 9 is clamped, and the tensioning wheel 9 is prevented from falling off, a supporting wheel 2 and a driving wheel 3 are designed on the base frame 4, the supporting wheel 2 is used for supporting the bottom of the crawler 5, and the driving wheel 3 can be matched with a transmission groove between the crawler 5 to drive the crawler 5 to rotate;
the inner loop bar 13 is slidably mounted inside the outer loop bar 1, the end part of the inner loop bar 13 is provided with a mounting bracket 12, the mounting bracket 12 is of a U-shaped structure, so that the tensioning wheel 9 is clamped into the mounting bracket 12 for fixing, and the outer loop bar 1 and the inner loop bar 13 are both of hollow structures, so that the weight is reduced;
the tensioning wheel 9 is rotatably arranged on the mounting bracket 12, and the tensioning wheel 9 is used for being in contact with the crawler 5 so as to adjust the tensioning state of the crawler 5, so that the crawler 5 can be smoothly unfolded, the contact area between the crawler 5 and the ground is increased as much as possible, and the traveling capacity of the vehicle is ensured;
the threaded seat 16 is slidably mounted inside the outer loop bar 1 and used for pushing the inner loop bar 13 to slide inside the outer loop bar 1, the end part of the threaded seat 16 can abut against the edge of the inner loop bar 13 and further can push the inner loop bar 13 to move inside the outer loop bar 1, the threaded seat 16 and the inner hole of the outer loop bar 1 are in clearance fit, the threaded seat 16 can stably slide inside the outer loop bar 1, the shaking is reduced, the positioning precision during adjustment is improved, and a threaded hole for the tensioning screw rod 7 to penetrate through is formed in the threaded seat 16 in a penetrating mode;
the tensioning screw rod 7 is arranged in the outer sleeve rod 1 in a penetrating mode, a round hole for the tensioning screw rod 7 to penetrate through is formed in the outer sleeve rod 1, one end of the tensioning screw rod 7 extends into the outer sleeve rod 1 and is screwed into the threaded seat 16 to be matched, the other end of the tensioning screw rod penetrates out of the outer sleeve rod 1 to be adjusted conveniently, and a hexagonal structure is formed at the end part of the tensioning screw rod 7 to facilitate adjustment by using rotation of a wrench;
during adjustment, an operator inserts the inner loop bar 13 into one end of the outer loop bar 1 to be primarily fixed, then inserts the tensioning screw rod 7 from the other end of the outer loop bar 1 until the inner loop bar 13 abuts against the threaded seat 16, pushes the inner loop bar 13 to drive the tensioning screw rod 7 to move, enables the step 15 on the outer wall of the tensioning screw rod 7 to abut against the thrust bearing 14, and rotates the tensioning screw rod 7 by using a wrench to further enable the tensioning screw rod 7 to be screwed into the threaded seat 16, at the moment, the tensioning screw rod 7 pushes the threaded seat 16 to slide in the outer loop bar 1 through thread matching with the threaded seat 16, further pushes the inner loop bar 13 to move, enables the tensioning wheel 9 on the inner loop bar 13 to abut against the inside of the crawler 5, so that tensioning operation on the crawler 5 is completed, and the use process of the whole device is completed;
by adopting the structural design that the inner loop bar 13 is matched with the outer loop bar 1, the inner loop bar 13 can be driven to move in the outer loop bar 1 by matching the rotary tensioning screw rod 7 with the threaded seat 16, the tensioning wheel 9 is pushed to abut against the inner part of the crawler 5 to be supported, the crawler 5 is ensured to be safe and reliable in the transmission process, and the probability of derailment is reduced.
In another embodiment, outer loop bar 1 and interior loop bar 13 all adopt square pipe to make, can select square pipe or hexagonal pipe to make during the use, low cost, and the arc type chamfer has been seted up at the outside border, can be convenient for grip, reduces the installation degree of difficulty, injury when reducing the collision simultaneously promotes stability, and adopts clearance fit between outer loop bar 1 and the interior loop bar 13, can minimize frictional force, resistance when reducing the regulation.
In another embodiment, a limiting plate 8 is designed at one end of the outer loop bar 1 close to the tension wheel 9, and the structural design of the limiting plate 8 can reinforce the port of the outer loop bar, so that the overall strength of the outer loop bar 1 is improved, a through hole for the inner loop bar 13 to pass through is formed in the limiting plate 8, so that the inner loop bar 13 can pass through the limiting plate 8 to be adjusted in a sliding manner, and a guiding effect is achieved.
In another embodiment, a locking plate 6 for limiting the tension screw 7 is arranged at the end of the outer sleeve 1 away from the tension wheel 9, a locking hole is formed in the surface of the locking plate 6, the locking hole is a hexagonal hole corresponding to the end of the tension screw 7, the locking plate 6 can be fixedly installed at the end of the outer sleeve 1 by using a screw after the tension screw 7 is adjusted, the tension screw 7 is further limited by using the locking plate 6, the tension screw 7 is prevented from rotating in the use process of subsequent equipment, and the position stability of the tension wheel 9 is ensured.
In another embodiment, the mounting bracket 12 is provided with a rotating shaft 11 arranged horizontally, the outer wall of the rotating shaft 11 is sleeved with a bearing 10, the tensioning wheel 9 is rotatably matched with the rotating shaft 11 through the bearing 10, the bearing 10 is matched with the rotating shaft 11, the tensioning wheel 9 can be conveniently mounted, a mudguard is clamped and fixed on the outer side of the bearing 10, soil in an operating environment can be prevented from entering the bearing 10, and the service life of the tensioning wheel 9 is prolonged.
In another embodiment, a step 15 is arranged on the side wall of the tensioning screw 7, a thrust bearing 14 matched with the step 15 is arranged on the inner wall of the outer sleeve rod 1, and the step 15 is positioned at a section of the tensioning screw 7 extending into the outer sleeve rod 1 and can be tightly attached to the surface of the thrust bearing 14 through the reaction force of the tensioning screw 7 when in use, so that the friction force generated when the tensioning screw 7 rotates is reduced, and the position of the tensioning wheel 9 can be conveniently adjusted.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A tensioning device for a tracked vehicle, characterized in that: the method comprises the following steps:
the outer sleeved rod (1), the outer sleeved rod (1) is fixedly arranged on the bottom frame (4) and used for providing support;
the inner loop bar (13) is slidably mounted inside the outer loop bar (1), and the end part of the inner loop bar (13) is provided with a mounting bracket (12);
the tensioning wheel (9) is rotatably arranged on the mounting bracket (12);
the threaded seat (16) is slidably mounted inside the outer loop bar (1) and is used for pushing the inner loop bar (13) to slide inside the outer loop bar (1);
the tensioning screw rod (7) is installed in the outer sleeve rod (14) in a penetrating mode, and a round hole matched with the tensioning screw rod (7) is formed in the outer sleeve rod (14).
2. Tensioner for tracked vehicles according to claim 1, characterized in that: the outer loop bar (1) and the inner loop bar (13) are both made of square tubes, and the outer loop bar (1) and the inner loop bar (13) are in clearance fit.
3. Tensioner for tracked vehicles according to claim 1, characterized in that: a limiting plate (8) is designed at one end, close to the tension wheel (9), of the outer loop bar (1), and a through hole for the inner loop bar (13) to pass through is formed in the limiting plate (8).
4. Tensioner for tracked vehicles according to claim 1, characterized in that: the end part of the outer sleeve rod (1) far away from the tension wheel (9) is provided with a locking plate (6) for limiting the tension screw rod (7).
5. Tensioner for tracked vehicles according to claim 1, characterized in that: the mounting bracket (12) is provided with a rotating shaft (11) which is horizontally arranged, the outer wall of the rotating shaft (11) is sleeved with a bearing (10), and the tensioning wheel (9) is in running fit with the rotating shaft (11) through the bearing (10).
6. Tensioner for tracked vehicles according to claim 1, characterized in that: the tensioning screw rod (7) is provided with a step (15), and the inner wall of the outer sleeve rod (1) is provided with a thrust bearing (14) matched with the step (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681068.7A CN114132402A (en) | 2021-12-30 | 2021-12-30 | Tensioning device for tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681068.7A CN114132402A (en) | 2021-12-30 | 2021-12-30 | Tensioning device for tracked vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114132402A true CN114132402A (en) | 2022-03-04 |
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ID=80381602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111681068.7A Pending CN114132402A (en) | 2021-12-30 | 2021-12-30 | Tensioning device for tracked vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN114132402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919672A (en) * | 2022-06-13 | 2022-08-19 | 浙江潮派科技有限公司 | Transmission system assembly of beach vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1191657A (en) * | 1997-09-22 | 1999-04-06 | Kubota Corp | Crawler type travel gear |
| CN211765944U (en) * | 2019-12-16 | 2020-10-27 | 魏国栋 | Large-scale hydraulic shovel track overspeed device tensioner for digging coal |
| CN213594402U (en) * | 2020-09-29 | 2021-07-02 | 江苏常发农业装备股份有限公司 | Crawler device and tractor |
| CN216580762U (en) * | 2021-12-30 | 2022-05-24 | 湖南农夫机电有限公司 | Tensioning device for tracked vehicle |
-
2021
- 2021-12-30 CN CN202111681068.7A patent/CN114132402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1191657A (en) * | 1997-09-22 | 1999-04-06 | Kubota Corp | Crawler type travel gear |
| CN211765944U (en) * | 2019-12-16 | 2020-10-27 | 魏国栋 | Large-scale hydraulic shovel track overspeed device tensioner for digging coal |
| CN213594402U (en) * | 2020-09-29 | 2021-07-02 | 江苏常发农业装备股份有限公司 | Crawler device and tractor |
| CN216580762U (en) * | 2021-12-30 | 2022-05-24 | 湖南农夫机电有限公司 | Tensioning device for tracked vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919672A (en) * | 2022-06-13 | 2022-08-19 | 浙江潮派科技有限公司 | Transmission system assembly of beach vehicle |
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