CN219975254U - Modularized wheel-side speed reducer - Google Patents

Abstract

The utility model provides a modularized wheel-side speed reducer which comprises a shell, a driving shaft and a driven shaft, wherein the driving shaft and the driven shaft are rotatably arranged in the shell and are meshed with each other, the driving shaft is fixedly arranged in the driven shaft, the driven shaft is fixedly arranged in the driving shaft, the shell comprises a left shell and a right shell, an upper accommodating cavity and a lower accommodating cavity for accommodating the driving shaft and the driven shaft are respectively formed between the left shell and the right shell, a first opening is formed in the position, corresponding to the driving shaft, on the left shell, a second opening is formed in the position, corresponding to the driven shaft, on the right shell, and a steering node assembly is fixedly connected to the left side of the left shell. The left shell and the right shell form a shell for installing the driven wheel and the driving wheel, and the upper steering node and the lower steering node are bolted on the left shell through the connecting disc, so that the steering node assembly, the left shell and the right shell are convenient to produce, the specification of corresponding parts is convenient to replace, and later maintenance and assembly are convenient.

Description

Modularized wheel-side speed reducer

Technical Field

The utility model relates to a vehicle speed reducer, in particular to a modularized wheel-side speed reducer.

Background

At present, special vehicles are required to be used for duty in complex environments, and a wheel edge speed reducer is adopted to ensure the reliability of the torque output under various steering modes of differential steering and in-situ center steering of the vehicles. Because the working condition is complex, the hub reduction gear in the special vehicle needs to be maintained after a certain use time, and most hub reduction gears are inconvenient to replace and maintain at present.

CN201027963Y discloses a planetary gear hub reduction gear, the driving wheel and the driven wheel are installed in the inner cavity of the casing, the casing is sealed by the end cover and the knuckle arm, the casing processing difficulty is high, and the replacement cost is high.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a hub reduction gear which is characterized in that a shell is split into a plurality of modularization so as to be convenient to process and assemble.

The utility model provides a modularization wheel reduction gear, includes casing, driving shaft and driven shaft the inter-engaging action wheel is installed in the casing rotation and is driven the driving shaft sets firmly in from the driving wheel, the driven shaft sets firmly in the action wheel, the casing includes left casing and right casing of butt joint and bolt each other form the holding respectively between left casing and the right casing the last holding chamber and the lower holding chamber of action wheel and driven wheel, go up holding chamber and lower holding chamber and constitute "8" font structure first opening has been seted up to the position that corresponds on the left casing correspond on the right casing the second opening has been seted up to the position that corresponds on the right casing the left side fixedly connected with steering node subassembly, steering node subassembly includes that the connection pad is connected in the upper portion of connection pad and lower part turns to the node, the bolt is in on the left casing the connection pad corresponds on the position of first opening has seted up the mouth of stepping down.

The utility model has the beneficial effects that: the left shell and the right shell form a shell for installing the driven wheel and the driving wheel, and the upper steering node and the lower steering node are bolted on the left shell through the connecting disc, so that the steering node assembly, the left shell and the right shell are convenient to produce, the specification of corresponding parts is convenient to replace, and later maintenance and assembly are convenient.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

fig. 3 is an exploded view of the present utility model.

In the figure, 1, a steering node assembly; 11. an upper steering node; 12. a connecting disc; 121. a yielding port; 13. a lower steering node; 2. a drive shaft; 21. a driving wheel; 22. a driving shaft; 31. a left housing; 311. a boss; 312. a first opening; 32. an upper receiving chamber; 33. a right housing; 331. a second opening; 34. a lower accommodating chamber; 35. an oil filling port; 36. an oil drain port; 4. connecting sleeves; 5. a hub unit; 6. a driven shaft; 61. and (3) a driven wheel.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings. Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. The terms left, middle, right, upper, lower, etc. in the examples of the present utility model are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting.

The utility model provides a modularization wheel reduction, combines fig. 1, 2 and 3 to show, includes casing, driving shaft 22 and driven shaft 6 the casing rotation is installed intermeshing's driving wheel 21 and is driven the driving wheel 61, driving shaft 22 sets firmly in driven wheel 61, driven shaft 6 sets firmly in driving wheel 21, the casing includes left casing 31 and right casing 33 of butt joint and bolt connection each other form respectively holding between left casing 31 and right casing 33 driving wheel 21 and driven wheel 61 go up holding chamber 32 and lower holding chamber 34, go up holding chamber 32 and lower holding chamber 34 and constitute "8" font structure first opening 312 has been seted up in the position of correspondence of driving shaft 22 on left casing 31 go up the position of correspondence of driven shaft 6 is seted up second opening 331 in the position of correspondence of driven shaft 6 on right casing 33 go to turn to node assembly 1 includes land 12 and the upper turning node 11 and lower part that are connected integrally, turn to node 12, it is in turn to the upper portion is in the land 12, turn to the upper portion is in the position is seted up in the land 12 on the position corresponds to the land 121.

Wherein, in order to increase the connection strength between the connecting disc 12 and the left housing 31, a cylindrical boss 311 is integrally disposed on the left housing 31 at the first opening 312, the first opening 312 penetrates through the boss 311, and the relief opening 121 is matched with the boss 311 and fixedly sleeved on the boss 311. The driving shaft 22 is of a hollow structure, the driving wheel 21 is integrally connected to the middle part of the driving shaft 22, and bearings are fixedly sleeved between the driving shaft 22 and the upper accommodating cavity 32 and positioned at two sides of the driving wheel 21; a driving shaft 2 is fixedly sleeved in the driving shaft 22, and the left end part of the driving shaft 2 is positioned at the left side of the abdication opening 121. In this way, the driving shaft 22 and the driving pulley 21 are mounted in the left housing 31, then the driving shaft 2 is assembled into the driving shaft 22, and then the right housing 33 and the left housing 31 are bolted, thereby facilitating the assembly and the mounting. In order to increase the stability of the driving shaft 22 and the driven shaft 6 in the shell, the right end part of the driven shaft 6 is positioned on the right side of the second opening 331, the driven wheel 61 is fixedly sleeved on the left end part of the driven shaft 6, and bearings are fixedly sleeved between the driven shaft 6 and the lower accommodating cavity 34 and positioned on two sides of the driven wheel 61; the bearings on the left side of the driven wheel 61 and the bearings on the left side of the driving wheel 21 are both located on the left shell 31, the bearings on the right side of the driven wheel 61 and the bearings on the right side of the driving wheel 21 are both located on the right shell 33, and the left end face and the right end face of the upper accommodating cavity 32 and the lower accommodating cavity 34 are respectively attached to the corresponding bearings.

After the driven shaft 6 passes through the second opening 331 and is fixedly sleeved with a hub unit 5, in order to improve the stability of the hub, a connecting sleeve 4 is rotatably installed on the hub unit 5 at a position close to the right shell 33, and the connecting sleeve 4 is bolted on the right shell 33. The top and bottom of the left shell 31 are respectively provided with an oil filling port 35 and an oil discharging port 36, and the driving wheel 21 and the driven wheel 61 are involute cylindrical helical gears and are made of high-strength alloy steel materials.

In the utility model, the upper accommodating cavity 32 and the lower accommodating cavity 34 are designed into an 8-shaped cavity, so that the gear installation space is optimized to the greatest extent, the transmission efficiency is improved, the weight of the whole transmission system is reduced, and the transmission is ensured to be more reliable and more efficient; the driving wheel 21 and the driven wheel 61 are both made of involute cylindrical helical gears and high-quality high-strength alloy steel, and after nitriding/carburizing surface hardening treatment, the tooth surface bearing capacity is stronger, and the impact resistance, vibration resistance and noise resistance are smaller in the actual transmission process. The utility model is particularly suitable for plant protection vehicles.

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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a modularization wheel reduction, includes casing, driving shaft and driven shaft the action wheel and the follow driving wheel of intermeshing are installed in the casing rotation, the driving shaft is fixedly set up in the follow driving wheel, the driven shaft is fixedly set up in the action wheel, its characterized in that: the shell comprises a left shell and a right shell which are mutually butted and bolted, an upper containing cavity and a lower containing cavity which are respectively used for containing the driving wheel and the driven wheel are formed between the left shell and the right shell, the upper containing cavity and the lower containing cavity form an 8-shaped structure, a first opening is formed in the position, corresponding to the driving shaft, on the left shell, a second opening is formed in the position, corresponding to the driven shaft, on the right shell, a steering node assembly is fixedly connected to the left side of the left shell, the steering node assembly comprises a connecting disc, an upper steering node and a lower steering node which are integrally connected to the upper part and the lower part of the connecting disc, the connecting disc is bolted on the left shell, and a yielding port is formed in the position, corresponding to the first opening, on the connecting disc.

2. A modular hub reduction gear as defined in claim 1, wherein: the left shell is provided with a cylindrical boss located at the first opening in an integrated mode, the first opening penetrates through the boss, and the abdication opening is matched with the boss and fixedly sleeved on the boss.

3. A modular hub reduction gear as defined in claim 1, wherein: the driving shaft is of a hollow structure, the driving wheel is integrally connected to the middle part of the driving shaft, and bearings are fixedly sleeved between the driving shaft and the upper accommodating cavity and positioned at two sides of the driving wheel; the driving shaft is fixedly sleeved with the driving shaft, and the left end part of the driving shaft is positioned at the left side of the abdication opening.

4. A modular hub reduction gear as defined in claim 3, wherein: the right end part of the driven shaft is positioned on the right side of the second opening, the driven wheel is fixedly sleeved on the left end part of the driven shaft, and bearings are fixedly sleeved between the driven shaft and the lower accommodating cavity and positioned on two sides of the driven wheel; the bearing on the left side of the driven wheel and the bearing on the left side of the driving wheel are both positioned on the left shell, the bearing on the right side of the driven wheel and the bearing on the right side of the driving wheel are both positioned on the right shell, and the left end face and the right end face of the upper accommodating cavity and the lower accommodating cavity are respectively attached to the corresponding bearings.

5. A modular hub reduction gear as defined in claim 1, wherein: the driven shaft penetrates out of the second opening and is fixedly sleeved with a hub unit.

6. A modular hub reduction gear as set forth in claim 5, wherein: and a connecting sleeve is rotatably arranged on the hub unit at a position close to the right shell, and is bolted on the right shell.

7. A modular hub reduction gear as defined in claim 1, wherein: and the top and the bottom of the left shell are respectively provided with an oil filling port and an oil discharging port.

8. A modular hub reduction gear as defined in claim 1, wherein: the driving wheel and the driven wheel are involute cylindrical helical gears and are made of high-strength alloy steel materials.