CN214994187U - Final transmission shell for high-power bulldozer - Google Patents
Final transmission shell for high-power bulldozer Download PDFInfo
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- CN214994187U CN214994187U CN202121309951.9U CN202121309951U CN214994187U CN 214994187 U CN214994187 U CN 214994187U CN 202121309951 U CN202121309951 U CN 202121309951U CN 214994187 U CN214994187 U CN 214994187U
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Abstract
The utility model relates to a high-power bull-dozer is with final drive casing belongs to engineering vehicle accessory technical field. The final drive casing includes integrated casting forming's big installation cavity and little installation cavity, big installation cavity and little installation cavity all are cylindrically, little installation cavity sets up in one side of big installation cavity side by side to coincide with it partially, the bottom of the great installation cavity in bottom of little installation cavity is sunken to there is the mount pad of disc type at its dorsal part evagination, the bottom of big installation cavity is equipped with the fixed position of primary shaft bearing, the center department of mount pad opens the fixed perforation of bearing that has the step, the fixed perforation of bearing communicates little installation cavity, the top of little installation cavity is equipped with the roof, the roof is equipped with the fixed position of secondary shaft bearing with the fixed perforation of bearing, the outer fringe of final drive casing is equipped with the round mounting hole. The utility model discloses a high-power bull-dozer is with final drive housing structure is compact firm, and the maintenance rate is low.
Description
Technical Field
The utility model relates to an engineering vehicle accessory technical field, concretely relates to high-power bull-dozer is with final drive casing.
Background
The final transmission casing is box-shaped, also called final transmission box, and is an important accessory for integrating and supporting components of the final transmission system on the high-power bulldozer, in the operation process of the high-power bulldozer, the components such as gears, rotating shafts and the like arranged in the final transmission casing need to have good sealing, heat insulation, lubricating oil storage, dust prevention and protection effects, the strength requirement is high, and the structural stability plays an important role in continuously and smoothly operating the transmission system.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model discloses a designed high-power bull-dozer and used final drive casing, the structure is firm, maintain the convenience.
The utility model discloses the technical scheme who adopts does: the terminal traditional casing includes integrated casting forming's big installation cavity and little installation cavity, big installation cavity and little installation cavity all are the cylinder chamber, little installation cavity sets up in one side of big installation cavity side by side to coincide with it partially, the bottom of the great installation cavity in bottom of little installation cavity is sunken to there is the mount pad of disc type at its dorsal part evagination, the bottom of big installation cavity is equipped with the fixed position of first bearing, the center department of mount pad opens the bearing fixed perforation that has the step, the bearing fixed perforation intercommunication is little installation cavity, the top of little installation cavity is equipped with the roof, the middle part of roof is equipped with the fixed position of second bearing, the fixed position of second bearing is perforated on same axle center line with the bearing fixed, the bottom outer fringe of the final transmission casing is equipped with the round mounting hole. Drive gear installs in big installation cavity, and the transmission shaft is connected in mount pad department and stretches into little installation cavity, is connected with the drive gear meshing through the gear, carries out power transmission, and the medial extremity of transmission shaft passes through the bearing to be fixed at the second bearing fixed position of little installation cavity, and the tip of drive gear's pivot passes through the bearing to be fixed at the first bearing fixed position of big installation cavity, and shaping is pour to two installation cavity integrations, connects the mount pad evagination of pivot, makes pedestal thickness increase, and the structure is more firm.
Further, the upper side, the left side and the right side edge of the bottom of the final transmission shell respectively horizontally extend out of an arc-shaped connecting plate which is continuously attached to the outer edge of the large installation cavity and the outer edge of the small installation cavity, two ends of the arc-shaped connecting plate are connected through a linear connecting plate, the linear connecting plate is integrally formed on the back side of the large installation cavity, the plate surfaces of the arc-shaped connecting plate and the linear connecting plate are flush with the plate surface of the outwards-protruding installation seat, a plurality of through installation holes are arranged on the arc-shaped connecting plate, reinforcing ribs are arranged between every pair of adjacent through installation holes on the front surface of the arc-shaped connecting plate and connected with the cavity wall of the large installation cavity or the small installation cavity, a plurality of bottom installation holes are distributed on the linear connecting plate, internal threads are arranged on the bottom installation holes, and a circle of internal thread installation holes are distributed on the top surface of the cavity wall of the large installation cavity. The arc-shaped connecting plate and the linear connecting plate form a whole circle of connecting and mounting surface, a circle of internal thread mounting hole on the top surface of the large mounting cavity wall ensures that both side surfaces of the final transmission shell can be tightly attached to the machine body, and the front surface of the arc-shaped connecting plate and the cavity wall of the mounting cavity are integrally formed to form a plurality of reinforcing ribs, so that the structural stability is further improved.
Furthermore, the first bearing fixing position is a sunken three-stage stepped hole, a circle of annular convex edge is arranged at the hole opening, the hole bottom protrudes outwards from the back side of the large mounting cavity, and a first through hole with a small diameter is formed in the center of the hole bottom.
Further, the downside of final drive casing has the fan-shaped mounting panel of the big mounting chamber outer fringe of one section laminating at the top integrated into one piece that is close to big mounting chamber, the equipartition has 4 through-mounting holes on the fan-shaped mounting panel.
Furthermore, a square bump is integrally formed on the back surface of the large mounting cavity on the outer side of the linear connecting plate, the square bump is arranged along the radial direction of the large mounting cavity and is vertically connected with the linear connecting plate, and a second through hole is formed in the square bump and is communicated with the large mounting cavity. The lug forms the reinforcing support to the big installation cavity outside the sharp connecting plate, simultaneously, strengthens the casing intensity of second perforation trompil department.
Furthermore, a third through hole communicated with the large installation cavity is formed in the installation seat. The second perforation and the third perforation are oil filling holes, and gear oil is filled into the shell in the using process.
Compared with the prior art, the final transmission casing for the high-power bulldozer has the advantages that the whole final transmission casing is integrally cast, no welding seams and the like exist, the strength is high, and the stability is good; moreover, the mounting seat for connecting the transmission shaft protrudes outwards, so that the thickness is increased, and the strength of the mounting seat is further improved; the arc connecting plate for mounting the shell is provided with a plurality of reinforcing ribs, the linear connecting plate is integrally formed on the back side of the large mounting cavity, the connecting part is good in structural stability, the front side and the back side of the shell are provided with mounting connecting holes in a ring shape, so that both sides of the shell can be tightly attached to the machine body, and the sealing performance is good after mounting; structural evagination thickening has all been made to the trompil department of first perforation, second perforation and third perforation, has offset the local strength reduction that causes because of the trompil, has guaranteed the whole high strength of final drive casing. .
Drawings
FIG. 1 is a front view of the final drive housing
FIG. 2 is a schematic view of a direct-view back side of the final drive housing
Description of the reference numerals
1 big installation cavity, 2 little installation cavities, 3 mount pads, 4 arc connecting plates, 5 straight line connecting plates, 6 fan-shaped installation plates, 7 square bumps, 11 first bearing fixing positions, 12 first through holes, 13 annular convex edges, 14 internal thread installation holes, 21 top plates, 31 bearing fixing through holes, 32 third through holes, 41 through installation holes, 42 reinforcing ribs, 51 bottomed installation holes and 71 second through holes
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model discloses a high-power bull-dozer is with an embodiment of final drive casing, in this embodiment, each structural part integrated casting of final traditional casing, including big installation cavity 1 and little installation cavity 2, big installation cavity 1 and little installation cavity 2 all are the cylinder chamber, and little installation cavity 2 sets up side by side in one side of big installation cavity 1, the two partial coincidence.
The bottom of the small mounting cavity 2 is sunken than the bottom of the larger mounting cavity 1, and a disc-shaped mounting seat 3 is protruded on the back side of the small mounting cavity. The bottom of big installation cavity 1 is equipped with the fixed position 11 of first bearing, and the fixed position 11 of first bearing is the cascaded hole of tertiary of undercut, and drill way department is equipped with the protruding edge 13 of round annular, and the back side evagination of hole bottom at big installation cavity 1, the face of mount pad 3 is not exceeded in the height of evagination, and the center department of hole bottom opens the first perforation 12 that has a small bore.
The center of the mounting seat 3 is provided with a stepped bearing fixing through hole 31 for fixing a bearing of a transmission shaft, and the bearing fixing through hole 13 is communicated with the small mounting cavity 2. The top of little installation cavity 2 is equipped with roof 21, and the inboard middle part of roof 21 is equipped with the fixed position of second bearing, and the fixed position of second bearing is on same axis with bearing fixed through-hole 31 for the tip bearing of fixed transmission shaft, the trompil position inscribe of bearing fixed through-hole 31 is in the circumference of big installation cavity 1 simultaneously. The mounting seat 3 is provided with a third through hole 32 which is communicated with the joint part of the large mounting cavity 1 and the small mounting cavity 2.
The upper side, the left side and the right side edge of the bottom of the final transmission shell horizontally extend out of arc-shaped connecting plates 4 which are continuously attached to the outer edges of the large installation cavity 1 and the small installation cavity 2 respectively, the two end parts of each arc-shaped connecting plate 4 are connected through linear connecting plates 5, and the linear connecting plates 5 are integrally formed on the back side of the large installation cavity 1. The plate surfaces of the arc-shaped connecting plate 4 and the straight line connecting plate 5 are protruded downwards and are flush with the plate surface of the convex mounting seat 3. A plurality of through mounting holes 41 are arranged on the arc-shaped connecting plate 4, and triangular diagonal reinforcing ribs 42 are arranged on the front side of the plate surface of the arc-shaped connecting plate 4 between each pair of adjacent through mounting holes 41 and connected with the wall of the large mounting cavity 1 or the small mounting cavity 2. The linear connection plate 5 is provided with a plurality of bottomed mounting holes 51, and the bottomed mounting holes 51 are provided with female screws.
Arrange on the chamber wall top surface of big installation cavity 1 and open and have round internal thread mounting hole 14, the downside of final drive casing has the fan-shaped mounting panel 6 of the big installation cavity 1 outer fringe of one section laminating near the top integrated into one piece of big installation cavity 1, and the equipartition has 4 mounting holes that run through on the fan-shaped mounting panel 6.
In addition, a square bump 7 is integrally formed on the back surface of the large mounting cavity 1 on the outer side of the linear connecting plate 5, the square bump 7 is arranged along the radial direction of the large mounting cavity 1 and is vertically connected with the linear connecting plate 5, and a second through hole 71 is formed in the square bump 7 and is communicated with the large mounting cavity 1.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (6)
1. A final drive shell for a high-power bulldozer is characterized in that the final drive shell comprises a large installation cavity and a small installation cavity which are integrally cast, the large installation cavity and the small installation cavity are cylindrical cavities, the small installation cavities are arranged on one side of the large installation cavity side by side, and is partially overlapped with the small mounting cavity, the bottom of the larger mounting cavity at the bottom of the small mounting cavity sinks, and a disk-shaped mounting seat is convexly arranged at the back side of the small mounting cavity, the bottom of the large mounting cavity is provided with a first bearing fixing position, the center of the mounting seat is provided with a step type bearing fixing through hole, the bearing fixing through hole is communicated with the small mounting cavity, the top of the small mounting cavity is provided with a top plate, the middle part of the top plate is provided with a second bearing fixing position, the second bearing fixing position and the bearing fixing through hole are arranged on the same axis, and a circle of mounting holes are formed in the outer edge of the bottom of the final transmission shell.
2. The final drive casing for a high power bulldozer according to claim 1, the upper side, the left side and the right side edge of the bottom of the final transmission shell respectively extend out of the arc-shaped connecting plates which are continuously attached to the outer edges of the large installation cavity and the small installation cavity, the two ends of the arc-shaped connecting plate are connected through a linear connecting plate, the linear connecting plate is integrally formed at the back side of the large mounting cavity, the plate surfaces of the arc-shaped connecting plate and the straight connecting plate are flush with the plate surface of the convex bearing fixing seat, a plurality of through mounting holes are arranged on the arc-shaped connecting plate, reinforcing ribs are arranged on the front surface of the arc-shaped connecting plate between each pair of adjacent through mounting holes and connected with the wall of the large mounting cavity or the small mounting cavity, the straight line connecting plate is provided with a plurality of mounting holes with bottoms, the mounting holes with bottoms are provided with internal threads, and the top surface of the cavity wall of the large mounting cavity is provided with a circle of mounting holes with internal threads.
3. The final drive casing for a high power bulldozer according to claim 2, in which said first bearing holding portion is a depressed three-step hole, an annular flange is provided at the hole opening, the hole bottom protrudes outward from the back side of the large mounting chamber, and a first through hole having a small diameter is formed at the center of the hole bottom.
4. The final drive housing for a high-power bulldozer according to claim 3, characterized in that a sector-shaped mounting plate attached to the outer edge of the large mounting cavity is integrally formed on the lower side of the final drive housing near the top of the large mounting cavity, and 4 through mounting holes are uniformly distributed in the sector-shaped mounting plate.
5. The final drive housing for a high power bulldozer according to claim 4, in which a square projection is integrally formed on the rear surface of the large mounting cavity on the outer side of the linear connection plate, the square projection being arranged radially of the large mounting cavity and perpendicularly connected to the linear connection plate, and the square projection being provided with a second through hole communicating with the large mounting cavity.
6. The final drive housing for a high power bulldozer according to claim 5, in which said mounting block is provided with a third through hole communicating with said large mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309951.9U CN214994187U (en) | 2021-06-10 | 2021-06-10 | Final transmission shell for high-power bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309951.9U CN214994187U (en) | 2021-06-10 | 2021-06-10 | Final transmission shell for high-power bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994187U true CN214994187U (en) | 2021-12-03 |
Family
ID=79127803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309951.9U Active CN214994187U (en) | 2021-06-10 | 2021-06-10 | Final transmission shell for high-power bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214994187U (en) |
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2021
- 2021-06-10 CN CN202121309951.9U patent/CN214994187U/en active Active
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