CN220227751U - Loader gearbox body - Google Patents
Loader gearbox body Download PDFInfo
- Publication number
- CN220227751U CN220227751U CN202321800164.3U CN202321800164U CN220227751U CN 220227751 U CN220227751 U CN 220227751U CN 202321800164 U CN202321800164 U CN 202321800164U CN 220227751 U CN220227751 U CN 220227751U
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- Prior art keywords
- bearing
- speed change
- loader
- box
- cover
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- 230000008859 change Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 7
- 239000010705 motor oil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to the technical field of loader gearboxes, in particular to a loader gearbox body, which comprises: the fixing assembly is used for hoisting and fixing the gearbox; the speed change gear box comprises a box body, wherein an input shaft, a transmission shaft for transmitting power and a matched gear set are arranged in the box body; further comprises: the access cover is arranged at the top of the rear side of the gearbox main body and comprises a cover body, and a receiving ring is arranged in the cover body through a reinforcing plate. According to the utility model, the access cover is provided with only one main shaft hole, so that the overall tightness is improved; when the transmission shaft group and the gear set are overhauled, only the overhauling cover is needed to be disassembled, so that the disassembly workload is reduced, the working field of view is enlarged, and the overhauling efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of loader gearboxes, in particular to a loader gearbox body.
Background
The loader is a kind of earth-rock construction machine widely used in highway, railway, building, hydropower, harbor, mine and other construction engineering, it is mainly used for shoveling soil, sand stone, lime, coal and other bulk materials, it also can make slight shoveling work to ore, hard soil and other materials, and it also can make bulldozing, lifting and loading and unloading work to other materials such as timber by changing different auxiliary working devices. The medium and large-sized loader generally adopts hydraulic-mechanical transmission, and hydraulic force refers to a hydraulic torque converter, which consists of a pump impeller, a turbine, a guide wheel and other components, directly inputs engine power, and has the functions of transmitting torque and clutching.
Because the loader has born bigger operating pressure for the gearbox of ordinary domestic car owing to special operational environment and working use, consequently need skin real durable and need convenient maintenance to the loader gearbox, current loader gearbox, its driven gear train and transmission shaft group are fixed in the gearbox by end cover and a plurality of sealed lid, and it is comparatively troublesome when dismantling, inconvenient maintenance.
In view of this, we propose a loader gearbox housing.
Disclosure of Invention
In order to make up for the defects, the utility model provides a loader gearbox body.
The technical scheme of the utility model is as follows:
loader gearbox casing includes:
the hoisting assembly is used for hoisting and fixing the gearbox;
the speed change gear box comprises a box body, wherein an input shaft, a transmission shaft for transmitting power and a matched gear set are arranged in the box body;
further comprises:
the access cover is arranged at the top of the rear side of the gearbox main body and comprises a cover body, and a receiving ring is arranged in the cover body through a reinforcing plate.
As a preferable technical scheme of the utility model, the axle center of the end cover and the axle center of the bearing ring are positioned on the same straight line.
As a preferable technical scheme of the utility model, one end of the input shaft is connected with the clutch, the other end of the input shaft penetrates through the bearing ring, and the axis of the input shaft and the axis of the bearing ring are positioned on the same straight line.
As a preferable technical scheme of the utility model, the cover body is provided with a main shaft hole in a penetrating way, and a main shaft sealing bearing is arranged in the main shaft hole.
As a preferable technical scheme of the utility model, the axle center of the main shaft sealing bearing and the axle center of the bearing ring are positioned on the same straight line.
As the preferable technical scheme of the utility model, the top surface of the inner side of the cover body is symmetrically provided with variable speed bearing mounting grooves above the main shaft hole.
As a preferable technical scheme of the utility model, a speed change shaft bearing is arranged in the speed change bearing mounting groove, and the speed change shaft bearing is used for mounting a transmission shaft for transmitting power.
As a preferable embodiment of the present utility model, an oil groove is provided between the speed change bearing mounting groove and the spindle hole.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the access cover is provided with only one main shaft hole, so that the overall tightness is improved; when the transmission shaft group and the gear set are overhauled, only the overhauling cover is needed to be disassembled, so that the disassembly workload is reduced, the working field of view is enlarged, and the overhauling efficiency can be improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a hoisting assembly according to the present utility model;
FIG. 3 is a schematic view of a transmission gear box according to the present utility model;
FIG. 4 is a schematic view of the access cover structure of the present utility model;
fig. 5 is a schematic view of the access cover structure in the present utility model.
The meaning of each reference numeral in the figures is:
1. hoisting the assembly; 11. a hanging ring; 12. a boom;
2. a speed change gear box; 21. a case; 22. an input shaft; 23. an exhaust valve; 24. an output axle box; 25. an output shaft; 26. an oil pan;
3. an access cover; 31. a cover body; 32. a skirt edge; 33. a spindle hole; 34. a main shaft sealing bearing; 35. a receiving ring; 36. a reinforcing plate; 37. a variable speed shaft bearing; 38. a variable speed bearing mounting groove; 39. and an oil tank.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, the present utility model is described in detail by the following embodiments:
loader gearbox casing includes:
the hoisting assembly 1, the hoisting assembly 1 is used for hoisting and fixing the gearbox. The hoisting assembly 1 comprises a hoisting ring 11, and a boom 12 is welded at the bottom of the hoisting ring 11.
The speed change gear box 2 comprises a box body 21, wherein an input shaft 22, a transmission shaft for transmitting power and a matched gear set are arranged in the box body 21.
The suspender 12 is arranged on the top of the box body 21 in a threaded manner, and when the gearbox is installed, the lifting hook of the crane is fixed in the lifting ring 11, and the gearbox is lifted through the lifting ring 11.
An exhaust valve 23 is fixedly arranged at the top of the box body 21, and the exhaust valve 23 is positioned between the suspenders 12.
The exhaust valve 23 is used for exhausting high-temperature gas generated in the working process of the gearbox, so that the air pressure in the gearbox is ensured to be stable.
The bottom of the rear side of the box body 21 is provided with an output shaft box 24, the output shaft box 24 is penetrated and provided with an output shaft 25, and the bottom end of the box body 21 is fixedly provided with an oil pan 26 through bolts.
The output shaft 25 is used for outputting power, and the oil pan 26 is used for containing engine oil for lubrication and cooling.
Further comprises:
access cover 3, access cover 3 installs at box 21 rear side top, and access cover 3 includes lid 31, is equipped with through reinforcing plate 36 and accepts ring 35 in the lid 31. One end of the input shaft 22 is connected with the clutch, and the other end penetrates through the bearing ring 35, and the axis of the input shaft 22 and the axis of the bearing ring 35 are positioned on the same straight line.
The input shaft 22 is inserted from the front of the case 21 and then passes through the receiving ring 35, and the axial center of the input shaft 22 and the axial center of the receiving ring 35 are positioned on the same straight line, so that the rotational stability of the input shaft 22 can be improved.
The bottom edge of the cover 31 is provided with a skirt edge 32, and the skirt edge 32 is connected with the box 21 through bolts.
The skirt 32 serves to secure the tightness of the access cover 3.
The cover 31 is provided with a spindle hole 33, and a spindle seal bearing 34 is provided in the spindle hole 33. The axis of the spindle seal bearing 34 is aligned with the axis of the receiving ring 35.
The input shaft 22 passes through the receiving ring 35 and then passes through the spindle hole 33, and is fixedly connected to the spindle seal bearing 34, and the spindle seal bearing 34 can prevent the engine oil in the speed change gear case 2 from leaking from the spindle hole 33.
The top surface of the inner side of the cover body 31 and above the main shaft hole 33 are symmetrically provided with variable speed bearing mounting grooves 38. A speed change shaft bearing 37 is fixedly installed in the speed change bearing installation groove 38.
The speed change shaft bearing 37 is used for mounting a transmission shaft for transmitting power, and the speed change bearing mounting groove 38 is a non-through groove, so that the sealability of the access cover 3 can be improved.
An oil groove 39 is provided between the speed change bearing mounting groove 38 and the spindle hole 33.
The oil groove 39 can facilitate the flow of the engine oil so that the engine oil can lubricate the speed change shaft bearing 37 and the main shaft seal bearing 34, and the service lives of the speed change shaft bearing 37 and the main shaft seal bearing 34 can be prolonged.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. Loader gearbox casing includes:
the hoisting assembly (1), the said hoisting assembly (1) is used for hoisting and installing the speed changing box;
the speed change gear box (2), the speed change gear box (2) comprises a box body (21), an input shaft (22) and a transmission shaft for transmitting power and a matched gear set are arranged in the box body (21);
characterized by further comprising:
the access cover (3), access cover (3) is installed at box (21) rear side top, access cover (3) include lid (31), be equipped with in lid (31) through reinforcing plate (36) and accept ring (35).
2. The loader gearbox housing of claim 1, wherein: one end of the input shaft (22) is connected with the clutch, the other end of the input shaft penetrates through the bearing ring (35), and the axis of the input shaft (22) and the axis of the bearing ring (35) are positioned on the same straight line.
3. The loader gearbox housing of claim 2, wherein: the bottom edge of the cover body (31) is provided with a skirt edge (32), and the skirt edge (32) is connected with the box body (21).
4. A loader gearbox housing as claimed in claim 3, wherein: the cover body (31) is provided with a main shaft hole (33) in a penetrating mode, and a main shaft sealing bearing (34) is arranged in the main shaft hole (33).
5. The loader gearbox housing of claim 4, wherein: the axis of the main shaft sealing bearing (34) and the axis of the bearing ring (35) are positioned on the same straight line.
6. The loader gearbox housing of claim 5, wherein: and variable speed bearing mounting grooves (38) are symmetrically formed in the top surface of the inner side of the cover body (31) and above the main shaft hole (33).
7. The loader gearbox housing of claim 6, wherein: a speed change shaft bearing (37) is arranged in the speed change bearing mounting groove (38), and the speed change shaft bearing (37) is used for mounting a transmission shaft for transmitting power.
8. The loader gearbox housing of claim 7, wherein: an oil groove (39) is formed between the speed-changing bearing mounting groove (38) and the spindle hole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800164.3U CN220227751U (en) | 2023-07-10 | 2023-07-10 | Loader gearbox body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800164.3U CN220227751U (en) | 2023-07-10 | 2023-07-10 | Loader gearbox body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227751U true CN220227751U (en) | 2023-12-22 |
Family
ID=89189315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321800164.3U Active CN220227751U (en) | 2023-07-10 | 2023-07-10 | Loader gearbox body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227751U (en) |
-
2023
- 2023-07-10 CN CN202321800164.3U patent/CN220227751U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |