CN111114638A - Steering device for crawler tractor - Google Patents
Steering device for crawler tractor Download PDFInfo
- Publication number
- CN111114638A CN111114638A CN202010157677.1A CN202010157677A CN111114638A CN 111114638 A CN111114638 A CN 111114638A CN 202010157677 A CN202010157677 A CN 202010157677A CN 111114638 A CN111114638 A CN 111114638A
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- China
- Prior art keywords
- clutch
- left end
- edge surface
- track
- piston
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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
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/08—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using brakes or clutches as main steering-effecting means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The invention relates to a steering device for a track type tractor, which relates to the technical field of tractors, can realize reliable parking of the track type tractor when the power of the track type tractor is lost due to any reason, can flexibly and reliably combine the power of one side and release a brake of the side at the same time in the steering process, and the brake of the other side is in a combined state, thereby realizing steering.
Description
Technical Field
The invention relates to the technical field of tractors, in particular to a steering device, and particularly relates to a steering device for a crawler tractor.
Background
It is known that remote control crawler tractors are widely used in orchards, gardens, dam revetments and the like. The existing remote control crawler tractor steering mode adopts a mode of combining an engaging sleeve on one side of the tractor to transmit power, separating the engaging sleeve on the other side of the tractor to separate the power or applying brake on the other side, and the technical scheme has the advantages that when the signal of a remote controller is interfered and the remote controller or a hydraulic system for controlling steering fails, the crawler tractor is possible to be out of control, and safety accidents are easily caused; the meshing sleeve is not easy to combine under some conditions by adopting the meshing sleeve combining power; when the track-type tractor goes up or down a slope, the actual steering of the track-type tractor is often inconsistent with the requirements of an operator, and safety problems are easily caused. When the crawler tractor loses power due to various reasons, particularly when the crawler tractor works on a slope, the crawler tractor cannot be effectively stopped, and safety accidents and the like are easily caused.
It has thus been a long felt technical appeal to those skilled in the art how to provide a steering apparatus for a track type tractor.
Disclosure of Invention
The invention provides a steering device for a crawler tractor, which can realize reliable parking when the crawler tractor loses power due to any reason, flexibly and reliably combine the power of one side and release the brake of the side at the same time in the steering process, and the brake of the other side is in a combined state, thereby realizing steering and the like.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a steering device for a crawler tractor comprises a clutch separating sleeve, a tail end transmission driving gear, a clutch hub, clutch friction plates, a clutch driven plate, a fixing seat, brake friction plates, brake driven plates, an oil cylinder body, a reset spring and a piston, wherein the clutch separating sleeve is fixedly connected to the outer edge surface of a power input shaft of the crawler tractor, a plurality of clutch friction plates are arranged on the outer edge surface of the left end part of the power input shaft of the crawler tractor at intervals, the tail end transmission driving gear is sleeved on the outer edge surface of the clutch separating sleeve, a connecting plate arranged at the left end of the tail end transmission driving gear is fixedly connected to the right end of the clutch hub, a plurality of clutch driven plates are arranged on the inner edge surface of the right end of an inner hole in the middle of the clutch hub at intervals, each clutch driven plate corresponds to one clutch friction plate respectively, the fixing seat is arranged on the outer edge surface of the clutch hub at intervals, the hydraulic brake device is characterized in that a plurality of brake friction plates are arranged on the outer edge surface of the middle of the clutch hub at intervals, a plurality of brake driven plates are arranged on the inner edge surface of an inner hole of the fixed seat at intervals, each brake driven plate corresponds to one brake friction plate respectively, the left end of the fixed seat is connected with the oil cylinder body, an oil inlet penetrating through to a middle cavity is formed in the outer edge of the oil cylinder body, a piston is arranged in a cavity on the right side of the oil inlet, the right end of the piston corresponds to the left end of the clutch hub, and a reset spring is arranged on the outer edge surface of the left end of the clutch hub to form the steering device.
The steering device for the crawler tractor is characterized in that a thrust bearing B is arranged between the right end head of the piston and the left end head of the clutch hub.
The steering device for the crawler tractor is characterized in that an oil seal is arranged on the outer edge surface of the left end of the piston, and the oil seal is fixed at the left end of the piston through an oil seal retaining ring.
The steering device for the crawler tractor is characterized in that at least two limiting holes are formed in the outer edge surface of the piston, limiting pins are respectively arranged in the limiting holes, and each limiting pin is respectively inserted into a limiting groove in the cavity.
The steering device for the crawler tractor is characterized in that a connecting disc arranged at the left end of the tail end transmission driving gear is fixedly connected to the right end of a clutch hub through a bolt.
The steering device for the crawler tractor is characterized in that the reset spring is sleeved on the outer edge surfaces of the right spring seat and the left spring seat, the right spring seat and the left spring seat are sleeved on the outer edge surface of the left end of the clutch hub, the left end surface of the left spring seat corresponds to the check ring arranged on the outer edge surface of the clutch hub, and the right end surface of the right spring seat corresponds to the spacer ring arranged on the outer edge surface of the clutch hub.
The steering device for the crawler tractor is characterized in that a thrust bearing A is arranged between the right end face of the right spring seat and the left end face of the spacer ring.
The steering device for the crawler tractor is characterized in that a left end head of the right spring seat and a right end head of the left spring seat are arranged at intervals.
The steering device for the crawler tractor is characterized in that an oil discharge port is formed in the right end of the cavity of the oil cylinder body, and an oil sealing bolt is arranged on the oil discharge port.
The steering device for the crawler tractor is characterized in that a plurality of oil grooves are formed in the outer edge surface of the clutch separating sleeve at intervals.
By adopting the technical scheme, the invention has the following advantages:
the invention can realize reliable parking of the crawler tractor when the power of the crawler tractor is lost due to any reason, flexibly and reliably combine the power of one side and release the brake of the side at the same time in the steering process, and the brake of the other side is in a combined state, thereby realizing steering.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
in the figure: 1. a clutch release sleeve; 2. a tail end transmission driving gear; 3. a clutch hub; 4. a clutch friction plate; 5. a clutch driven plate; 6. a power input shaft of the crawler-type tractor; 7. a fixed seat; 8. a brake friction plate; 9. a brake driven plate; 10. a spacer ring; 11. a cylinder block; 12. a thrust bearing A; 13. a right spring seat; 14. a left spring seat; 15. a return spring; 16. a retainer ring; 17. a thrust bearing B; 18. a piston; 19. oil sealing; 20. and (5) oil sealing baffle rings.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the invention;
it should be noted that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., used in describing the structure of the present invention are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The steering device for the crawler tractor comprises a clutch separating sleeve 1, a tail end transmission driving gear 2, a clutch hub 3, clutch friction plates 4, a clutch driven plate 5, a fixed seat 7, brake friction plates 8, brake driven plates 9, an oil cylinder body 11, a reset spring 15 and a piston 18, wherein the clutch separating sleeve 1 is fixedly connected to the outer edge surface of a power input shaft 6 of the crawler tractor, a plurality of clutch friction plates 4 are arranged on the outer edge surface of the left end part of the power input shaft 6 of the crawler tractor at intervals, the tail end transmission driving gear 2 is sleeved on the outer edge surface of the clutch separating sleeve 1 in a sleeved mode, a connecting plate arranged at the left end of the tail end transmission driving gear 2 is fixedly connected to the right end of the clutch hub 3, a plurality of clutch driven plates 5 are arranged on the inner edge surface of the right end part of an inner hole in the middle of the clutch hub 3 at intervals, each clutch driven disc 5 corresponds to one clutch friction plate 4, a fixed seat 7 is arranged on the outer edge surface of the clutch hub 3 at intervals, a plurality of brake friction plates 8 are arranged on the outer edge surface of the middle part of the clutch hub 3 at intervals, a plurality of brake driven plates 9 are arranged on the inner edge surface of an inner hole of the fixed seat 7 at intervals, each brake driven plate 9 corresponds to one brake friction plate 8, the left end of the fixed seat 7 is connected with an oil cylinder body 11, an oil inlet penetrating through the middle cavity is formed in the outer edge of the oil cylinder body 11, a piston 18 is arranged in a cavity on the right side of the oil inlet, the right end of the piston 18 corresponds to the left end of the clutch hub 3, and further, a thrust bearing B17 is arranged between the right end of the piston 18 and the left end of the clutch hub 3; an oil seal 19 is arranged on the outer edge surface of the left end head of the piston 18, and the oil seal 19 is fixed on the left end head of the piston 18 through an oil seal retaining ring 20; in order to prevent the piston 18 from rotating, at least two limiting holes are arranged on the outer edge surface of the piston 18, limiting pins are respectively arranged in the limiting holes, and each limiting pin is respectively inserted into a limiting groove on the cavity; and a return spring 15 is arranged on the outer edge surface of the left end head of the clutch hub 3 to form the steering device for the crawler tractor.
Further, when the clutch is implemented specifically, a connecting disc arranged at the left end of the tail end transmission driving gear 2 is fixedly connected to the right end of the clutch hub 3 through a bolt.
Further, the return spring 15 is sleeved on the outer edge surfaces of the right spring seat 13 and the left spring seat 14, the right spring seat 13 and the left spring seat 14 are sleeved on the outer edge surface of the left end of the clutch hub 3, the left end surface of the left spring seat 14 corresponds to the retainer ring 16 arranged on the outer edge surface of the clutch hub 3, the right end surface of the right spring seat 13 corresponds to the spacer ring 10 arranged on the outer edge surface of the clutch hub 3, and a thrust bearing a12 is arranged between the right end surface of the right spring seat 13 and the left end surface of the spacer ring 10. The left end of the right spring seat 13 and the right end of the left spring seat 14 are arranged at intervals.
Further, an oil discharge port is arranged at the right end of the cavity of the oil cylinder body 11, and an oil sealing bolt is arranged on the oil discharge port.
Further, a plurality of oil grooves are arranged on the outer edge surface of the clutch separating sleeve 1 at intervals.
In the specific implementation of the invention, the end transmission driving gear 2 is slidably supported on the clutch separating sleeve 1 with oil grooves, the end transmission driving gear 2 is connected with the clutch hub 3 through a fastener, a plurality of clutch friction plates 4 and a plurality of clutch driven plates 5 are alternately arranged in the space formed by the clutch hub 3 and the clutch separating sleeve 1, specifically, as shown in figure 1, a plurality of clutch friction plates 4 are arranged on the power input shaft 6 of the crawler tractor, a plurality of clutch driven plates 5 are arranged on the clutch hub 3, the oil cylinder body 11, the spacer ring 10 and the fixed seat 7 are connected together through a fixing piece, a plurality of brake friction plates 8 and a plurality of brake driven plates 9 are alternately arranged on the fixed seat 7 and the clutch hub 3 in the space formed by the spacer ring 10 and the clutch hub 3, a thrust bearing A12 is arranged on the clutch hub 3, one side of the piston is in contact with the spacer ring 10, the other side of the piston is in contact with the right spring seat 13, the right spring seat 13 and the left spring seat 14 are installed on the clutch hub 3 and are axially fixed through a retainer ring 16, a return spring 15 is installed on the right spring seat 13 and the left spring seat 14, a thrust bearing B17 is installed on the clutch hub 3, a piston 18 is installed on the oil cylinder body 11, an oil seal 19 is installed on the piston 18 and is axially limited by an oil seal retainer ring 20 and is fixed on the piston 18 through a fastener, an elongated slot is machined in the oil cylinder body 11, a circular hole is machined in the piston 18, a fastener pin shaft is placed in the elongated slot of the oil cylinder body 11 through the hole in the piston 18, so that the piston 18 only axially moves and does not circumferentially rotate, a brake-releasing oil discharge port and an oil inlet are formed in the oil.
When the invention is used, when high-pressure oil enters an oil inlet of the oil cylinder body 11, the high-pressure oil pushes the piston 18 to axially move, the piston 18 pushes the clutch hub 3 to axially move rightwards through the thrust bearing 17, the clearance between the clutch friction plate 4, the clutch driven disc 5 and the clutch separating sleeve 1 is eliminated, when the clutch separating sleeve 1 is contacted with the limiting device, the piston 18 continues to move rightwards, the clutch hub 3 and the clutch separating sleeve 1 tightly press the clutch friction plate 4 and the clutch driven disc 5, the power of the power input shaft 6 of the crawler tractor is transmitted to the tail end transmission driving gear 2 through the clutch friction plate 4, the clutch driven disc 5 and the clutch hub 3, at the same time, the return spring 15 is compressed, the brake friction plate 8 and the brake driven plate 9 are separated, the braking force between the clutch hub 3 and the fixed seat 7 is released, and the power of the end transmission driving gear 2 can be transmitted to the driving wheel at the side. If high-pressure oil is fed into oil inlets of steering devices arranged on two sides of the crawler tractor at the same time, the crawler tractor is braked, the crawler tractor is moved forwards, if high-pressure oil is fed into one side of the crawler tractor and high-pressure oil is not fed into the other side of the crawler tractor, the crawler tractor is steered, when the high-pressure oil is released, the piston 18 and the clutch hub 3 move leftwards under the action of the reset spring 15, so that pressing force between the clutch friction plate 4 and the clutch driven disc 5 is released, transmission of power of a power input shaft of the crawler tractor to the tail end transmission driving gear 2 is cut off, meanwhile, the brake friction plate 8 and the brake driven plate 9 generate pressing force, the tail end transmission driving gear 2 is braked, and the crawler tractor.
The present invention is not described in detail in the prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a turn to device for track type tractor, includes clutch separation cover (1), end transmission driving gear (2), clutch hub (3), clutch friction disc (4), clutch driven plate (5), fixing base (7), stopper friction disc (8), stopper driven plate (9), hydro-cylinder body (11), reset spring (15) and piston (18), characterized by: the clutch release sleeve (1) is fixedly connected to the outer edge surface of a power input shaft (6) of the crawler tractor, a plurality of clutch friction plates (4) are arranged on the outer edge surface of the left end portion of the power input shaft (6) of the crawler tractor at intervals, a tail end transmission driving gear (2) is sleeved on the outer edge surface of the clutch release sleeve (1), a connecting disc arranged at the left end of the tail end transmission driving gear (2) is fixedly connected to the right end of a clutch hub (3), a plurality of clutch driven plates (5) are arranged on the inner edge surface of the right end of a middle inner hole of the clutch hub (3) at intervals, each clutch driven plate (5) corresponds to one clutch friction plate (4), fixing seats (7) are arranged on the outer edge surface of the clutch hub (3) at intervals, a plurality of brake friction plates (8) are arranged on the outer edge surface of the middle portion of the clutch hub (3) at intervals, be equipped with a plurality of stopper driven plate (9) at the interval on the inner fringe face of fixing base (7) hole, every stopper driven plate (9) corresponds a stopper friction disc (8) respectively, the left end of fixing base (7) is connected hydro-cylinder body (11) be equipped with the oil inlet that link up to the middle part cavity in the outer fringe of hydro-cylinder body (11), be equipped with piston (18) in the cavity on oil inlet right side, the right-hand member head of piston (18) corresponds the left end of clutch wheel hub (3), is equipped with reset spring (15) on the outer fringe face of clutch wheel hub (3) left end and forms a steering device for track type tractor.
2. The steering apparatus for a track-type tractor according to claim 1, wherein: and a thrust bearing B (17) is arranged between the right end of the piston (18) and the left end of the clutch hub (3).
3. The steering apparatus for a track-type tractor according to claim 1, wherein: an oil seal (19) is arranged on the outer edge surface of the left end of the piston (18), and the oil seal (19) is fixed on the left end of the piston (18) through an oil seal retaining ring (20).
4. The steering apparatus for a track-type tractor according to claim 1, wherein: the outer edge surface of the piston (18) is provided with at least two limiting holes, limiting pins are respectively arranged in the limiting holes, and each limiting pin is respectively inserted into a limiting groove on the cavity.
5. The steering apparatus for a track-type tractor according to claim 1, wherein: and the connecting disc arranged at the left end of the tail end transmission driving gear (2) is fixedly connected to the right end of the clutch hub (3) through a bolt.
6. The steering apparatus for a track-type tractor according to claim 1, wherein: reset spring (15) cup joint on the outer fringe face of right spring holder (13) and left spring holder (14), right spring holder (13) and left spring holder (14) cup joint on the outer fringe face of clutch hub (3) left end, the left end face of left spring holder (14) corresponds retaining ring (16) of setting on clutch hub (3) outer fringe face, the right-hand member face of right spring holder (13) corresponds spacer ring (10) of setting on clutch hub (3) outer fringe face.
7. The steering apparatus for a track-type tractor according to claim 6, wherein: and a thrust bearing A (12) is arranged between the right end surface of the right spring seat (13) and the left end surface of the spacer ring (10).
8. The steering apparatus for a track-type tractor according to claim 6, wherein: the left end of the right spring seat (13) and the right end of the left spring seat (14) are arranged at intervals.
9. The steering apparatus for a track-type tractor according to claim 1, wherein: an oil discharge port is arranged at the right end of the cavity of the oil cylinder body (11), and an oil sealing bolt is arranged on the oil discharge port.
10. The steering apparatus for a track-type tractor according to claim 1, wherein: and a plurality of oil grooves are arranged on the outer edge surface of the clutch separating sleeve (1) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157677.1A CN111114638A (en) | 2020-03-09 | 2020-03-09 | Steering device for crawler tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157677.1A CN111114638A (en) | 2020-03-09 | 2020-03-09 | Steering device for crawler tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111114638A true CN111114638A (en) | 2020-05-08 |
Family
ID=70493655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010157677.1A Pending CN111114638A (en) | 2020-03-09 | 2020-03-09 | Steering device for crawler tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111114638A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115443744A (en) * | 2022-10-28 | 2022-12-09 | 南宁市桂发农机制造有限公司 | Brake steering control mechanism of self-propelled crawler-type rotary cultivator |
-
2020
- 2020-03-09 CN CN202010157677.1A patent/CN111114638A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115443744A (en) * | 2022-10-28 | 2022-12-09 | 南宁市桂发农机制造有限公司 | Brake steering control mechanism of self-propelled crawler-type rotary cultivator |
| CN115443744B (en) * | 2022-10-28 | 2024-03-08 | 南宁市桂发农机制造有限公司 | Braking steering control mechanism of self-propelled crawler-type rotary cultivator |
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