CN213417941U - Amphibious excavator driving shaft - Google Patents
Amphibious excavator driving shaft Download PDFInfo
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- CN213417941U CN213417941U CN202022022614.3U CN202022022614U CN213417941U CN 213417941 U CN213417941 U CN 213417941U CN 202022022614 U CN202022022614 U CN 202022022614U CN 213417941 U CN213417941 U CN 213417941U
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- driving shaft
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Abstract
The utility model relates to an excavator drive shaft technical field, and an amphibious excavator drive shaft is disclosed, which comprises a driving shaft, the drive spindle nose has been cup jointed in the drive shaft, fixed connection between drive spindle nose and the drive shaft, the overhead bearing that has cup jointed of drive shaft, through the first flange of bolt fixedly connected with on the bearing, install rotation axis lip-shaped sealing washer in the first flange, install the oiling cup on the bearing, the oiling cup is through direct die-casting oil cup setting, the opposite side of bearing has the second flange through bolted connection, install O type rubber seal on the second flange, the overhead coupling disk that has connected through coupling and cross connection in the drive shaft, the screw has been cup jointed on the coupling disk, install the sheath on the screw, the bearing in-connection has cross recess countersunk screw, the bearing sets up for self-aligning roller bearing, the bolt sets up for hexagon head bolt, the screw is interior hexagon head screw setting. The utility model discloses can prevent the fracture of drive spindle nose effectively.
Description
Technical Field
The utility model relates to an excavator drive shaft technical field especially relates to an amphibious excavator drive shaft.
Background
The amphibious excavator consists of a buoy, a walking device and an excavator part. The walking device comprises a driving shaft head of a driving part and a track shoe chain, before chain pin shafts in track shoes are not optimized, the pin shafts of the track shoe chain of the amphibious excavator frequently break, even the track shoe chain cannot return to the shore side in time after the tide rises, the chain part is optimized afterwards, the fracture fault of the pin shafts of the track shoe chain does not occur, but the driving shaft head breaks, and the part is difficult to repair compared with the chain after being broken, so the driving shaft head needs to be optimized, and the strength is ensured to be superior to the strength of other parts.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art amphibian excavator grip-pad chain round pin axle trouble frequent, can not in time return the bank condition after the rise tide even appears, the back is optimized to chain portion position, the grip-pad chain round pin axle fracture trouble of appearing again, but the drive spindle nose fracture has appeared, and this position fracture back, is difficult to prosthetic problem than the chain, and the amphibian excavator drive shaft that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an amphibious excavator drive shaft, includes the drive shaft, the drive spindle nose has cup jointed in the drive shaft, fixed connection between drive spindle nose and the drive shaft, the overhead bearing that has cup jointed of drive shaft, through the first flange of bolt fixedly connected with on the bearing, install rotation axis lip seal in the first flange, install the oiling cup on the bearing, the oiling cup sets up for through-type die-casting oil cup, there is the second flange opposite side of bearing through bolted connection, install O type rubber seal on the second flange, the overhead coupling disk that has connected through coupling head and cross connection of drive shaft, the screw has been cup jointed on the coupling disk, install the sheath on the screw, the bearing in-connection has cross groove countersunk screw.
Preferably, the bearing is a self-aligning roller bearing.
Preferably, the bolt is a hexagon head bolt.
Preferably, the driving shaft head and the driving shaft are fixedly connected and arranged through stitch welding and matched welding.
Preferably, the screw is arranged as an inner hexagonal socket head cap screw.
Preferably, the bearing is sleeved on the driving shaft head through a bearing seat.
Compared with the prior art, the utility model provides an amphibious excavator drive shaft possesses following beneficial effect:
1. according to the amphibious excavator driving shaft, the driving shaft head is changed into a rectangular spline form from a key form, the driving shaft head is ensured to be stressed uniformly, meanwhile, the material of the driving shaft head is changed from 45# steel to 42CrMo, the material of the coupling head matched with the driving shaft head is also changed to 42CrMo, and the driving shaft head can be effectively prevented from being broken.
2. The amphibious excavator driving shaft has the advantage that the buoy can provide enough bearing capacity for the trencher under the condition that the bearing capacity of a foundation is weak. The hydraulic motor drives the power driven by the driving shaft head to drive the amphibious excavator to walk, so that the excavator can run and operate on silt, silt mixed sand and soft soil foundations.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can prevent effectively that the drive spindle nose splits.
Drawings
Fig. 1 is a schematic view of an amphibious excavator drive shaft according to the present invention;
fig. 2 is a front view structure schematic diagram of the amphibious excavator driving shaft provided by the utility model.
In the figure: 1 driving shaft; 2 driving the shaft head; 3, bolts; 4, flange; 5, sealing rings; 6, an oil cup; 7, a flange; 8O-shaped rubber sealing rings; 9, a coupling head; 10, cross-connecting; 11 a coupling disc; 12, a screw; 13 a sheath; 14, a bearing seat; 15 bearing; 16 cross recessed countersunk head screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a driving shaft of an amphibious excavator comprises a driving shaft 1, a driving shaft head 2 is sleeved on the driving shaft 1, the driving shaft head 2 is fixedly connected with the driving shaft 1, a bearing 15 is sleeved on the driving shaft head 2, a first flange 4 is fixedly connected on the bearing 15 through a bolt 3, a rotary shaft lip-shaped sealing ring 5 is installed in the first flange 4, an oil filling cup 6 is installed on the bearing 15, the oil filling cup 6 is arranged in a through type die-casting oil cup, the other side of the bearing 15 is connected with a second flange 7 through a bolt 3, an O-shaped rubber sealing ring 8 is installed on the second flange 7, a connecting disc 11 is connected on the driving shaft head 2 through a connecting head 9 and a cross joint 10, a screw 12 is sleeved on the connecting disc 11, a sheath 13 is installed on the screw 12, a cross-groove countersunk head screw 16 is connected in the bearing 15, the driving shaft, ensure that the driving shaft head atress is even, the driving shaft head material is changed into 42CrMo by 45# steel simultaneously, and the supporting coupling head material of driving shaft head also changes into 42CrMo, can prevent driving shaft head fracture effectively, and when the during operation, under the very weak condition of ground bearing capacity, the flotation pontoon can provide enough big bearing capacity for the ditching machine. The hydraulic motor drives the power driven by the driving shaft head to drive the amphibious excavator to walk, so that the excavator can run and operate on silt, silt mixed sand and soft soil foundations.
The bearing 15 is provided for a self-aligning roller bearing, so that the bearing 15 can work well.
The bolt 3 is arranged for a hexagon head bolt, and is convenient for well positioning and mounting the first flange 4 and the second flange 7.
Drive spindle nose 2 and drive shaft 1 weld through the match and join in marriage the fixed connection setting of welding, let between drive spindle nose 2 and the drive shaft 1 even more reliable and stable with connecting.
The screw 12 is arranged as a socket head cap screw, which facilitates the disassembly and assembly of the screw 12.
The bearing 15 is sleeved on the driving shaft head 2 through the bearing seat 14, so that the bearing 15 can be better installed on the driving shaft head 2.
The utility model discloses in, the drive spindle nose atress is even ensured by the rectangular spline form that the key form changes, and the drive spindle nose material is changed to 42CrMo by 45# steel simultaneously, and the supporting coupling head material of drive spindle nose also changes to 42CrMo, can prevent effectively that the drive spindle nose from splitting, and when the during operation, under the very weak condition of ground bearing capacity, the flotation pontoon can provide enough big bearing capacity for the ditching machine. The hydraulic motor drives the power driven by the driving shaft head to drive the amphibious excavator to walk, so that the excavator can run and operate on silt, silt mixed sand and soft soil foundations.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The amphibious excavator driving shaft comprises a driving shaft (1) and is characterized in that a driving shaft head (2) is sleeved on the driving shaft (1), the driving shaft head (2) is fixedly connected with the driving shaft (1), a bearing (15) is sleeved on the driving shaft head (2), a first flange (4) is fixedly connected with the bearing (15) through a bolt (3), a rotary shaft lip-shaped sealing ring (5) is installed in the first flange (4), an oil filling cup (6) is installed on the bearing (15), the oil filling cup (6) is arranged in a straight-through type die-casting oil cup, the other side of the bearing (15) is connected with a second flange (7) through the bolt (3), an O-shaped rubber sealing ring (8) is installed on the second flange (7), and a connecting disc (11) is connected with the driving shaft head (2) through a connecting head (9) and a cross joint (10), the connecting plate (11) is sleeved with a screw (12), the screw (12) is provided with a sheath (13), and a cross-shaped groove countersunk head screw (16) is connected in the bearing (15).
2. An amphibious excavator drive shaft according to claim 1, characterised in that the bearing (15) is a self-aligning roller bearing arrangement.
3. An amphibious excavator drive shaft according to claim 1, characterised in that the bolt (3) is provided as a hex head bolt.
4. An amphibious excavator drive shaft according to claim 1, characterised in that the drive shaft head (2) is arranged in fixed connection with the drive shaft (1) by means of a tack and tack weld.
5. An amphibious excavator drive shaft according to claim 1, characterised in that said screw (12) is provided as a socket head cap screw.
6. An amphibious excavator drive shaft according to claim 1, characterised in that the bearing (15) is journalled in the drive shaft head (2) by means of a bearing housing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022614.3U CN213417941U (en) | 2020-09-16 | 2020-09-16 | Amphibious excavator driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022614.3U CN213417941U (en) | 2020-09-16 | 2020-09-16 | Amphibious excavator driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213417941U true CN213417941U (en) | 2021-06-11 |
Family
ID=76262050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022022614.3U Active CN213417941U (en) | 2020-09-16 | 2020-09-16 | Amphibious excavator driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213417941U (en) |
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2020
- 2020-09-16 CN CN202022022614.3U patent/CN213417941U/en active Active
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