CN214492401U - Heavy-load balance shaft assembly - Google Patents

Abstract

The utility model discloses a heavy load type balance shaft assembly, including the balance shaft, the one end of balance shaft is fixed and is equipped with the support bottom plate, and the one end interlude of support bottom plate bottom is equipped with communicating pipe, and the one end interlude of communicating pipe outer wall is equipped with the axle housing, and the top of axle housing one side and the other end fixed connection of balance shaft, the bottom of axle housing bottom and support bottom plate all fixed are equipped with the stripper plate, and the top of two stripper plates contacts with the both ends of communicating pipe outer wall respectively, and the both ends of two stripper plate bottoms all fix and are equipped with the clamp plate bolt, the utility model discloses an adopt clamp plate fixed connection connecting pipe at support installation distance rod position, the installation bottom plate lightening hole adopts "meter" style of calligraphy structure, is connected with the bottom plate and increases the circular arc transition, has effectively improved support intensity, has reduced weight; when the thrust rod is installed, the support and the two connecting forks on the outer side are respectively connected, the communicating pipe and the support are taken as a whole, the connection reliability is effectively improved, and faults are reduced.

Description

Heavy-load balance shaft assembly

Technical Field

The utility model relates to a heavy load type balance shaft assembly field, in particular to heavy load type balance shaft assembly.

Background

The balance shaft technology is a widely applied technology in a heavy-duty vehicle engine, has a simple and practical structure, can effectively reduce the vibration of the whole motorcycle and improve the driving comfort, is a shaft which is provided with an eccentric weight block and synchronously rotates along with a crankshaft simply, and utilizes the reverse vibration force generated by the eccentric weight block to ensure that the engine obtains a good balance effect and reduce the vibration of the engine.

In the prior art, the center shaft and the support of the heavy-duty vehicle balance shaft assembly are connected in an interference fit manner, and the faults of the balance shaft assembly, such as shaft fracture, support cracking, shaft head abrasion, fracture and the like, are caused by the alternating stress generated by road conditions and a load during heavy loading, so that the connector of the shaft and the support must be replaced simultaneously, the maintenance cost is high, the practicability of the heavy-duty balance shaft assembly is reduced, and the heavy-duty balance shaft assembly is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balanced axle assembly of heavy load type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heavy load type balance shaft assembly, includes the balance shaft, the fixed support bottom plate that is equipped with of one end of balance shaft, the one end interlude of support bottom plate bottom is equipped with communicating pipe, the one end interlude of communicating pipe outer wall is equipped with the axle housing, the top of axle housing one side and the other end fixed connection of balance shaft, the bottom of axle housing bottom and support bottom plate is all fixed and is equipped with the stripper plate, two the top of stripper plate contacts with the both ends of communicating pipe outer wall respectively, two the both ends of stripper plate bottom are all fixed and are equipped with the clamp plate bolt.

Preferably, an oil seal device is fixedly arranged in the middle of the top end of the shaft shell, and an oil seal cover is fixedly arranged at the top end of the oil seal device.

Preferably, a support frame is fixedly arranged at one end of the top of the shaft shell.

Preferably, the other end of the top of the shaft shell is fixedly provided with a joint bearing.

Preferably, the top end of the other side of the shaft shell is fixedly provided with an end cover, and two ends of the inner wall of the end cover are fixedly provided with locking bolt assemblies.

Preferably, a connecting fork is fixedly arranged at the bottom end of the other side of the shaft shell.

The utility model discloses a technological effect and advantage:

(1) the connecting pipe is fixedly connected with the position of the bracket where the thrust rod is installed by adopting the pressing plate, the left and right thrust rods are connected together through the communicating pipe and form a closed loop structure with the balance shaft, so that the bearing capacity of the balance shaft assembly is improved, when the connecting pipe breaks down, the pressing plate can be removed and the communicating pipe can be replaced, and the maintenance is convenient;

(2) the support structure is optimally designed, the lightening holes of the mounting bottom plate are of a structure shaped like Chinese character 'mi', and are connected with the bottom plate to increase arc transition, so that the strength of the support is effectively improved, and the weight is reduced; when the thrust rod is installed, the support and the two connecting forks on the outer side are respectively connected, the communicating pipe and the support are taken as a whole, the connection reliability is effectively improved, and faults are reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a weight-reducing structure of a bracket bottom plate of the utility model in a shape like Chinese character 'mi';

FIG. 3 is a schematic view of the enlarged arc transition structure at the junction of the bottom plate of the bracket of the present invention;

FIG. 4 is a schematic view of the connection structure of the bracket, the communicating tube and the connection fork of the present invention;

fig. 5 is a schematic view of the connection structure of the present invention.

In the figure: 1. a balance shaft; 2. a communicating pipe; 3. a support frame; 4. sealing the oil cover; 5. an oil seal device; 6. A knuckle bearing; 7. a locking bolt assembly; 8. an end cap; 9. a shaft housing; 10. a connecting fork; 11. a pressing plate; 12. a platen bolt; 13. and a support bottom plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a heavy-load type balance shaft assembly as shown in figures 1-3, which comprises a balance shaft 1, a support bottom plate 13 is fixedly arranged at one end of the balance shaft 1, a communicating pipe 2 is arranged at one end of the bottom of the support bottom plate 13 in an inserting manner, a shaft shell 9 is arranged at one end of the outer wall of the communicating pipe 2 in an inserting manner, the top end of one side of the shaft shell 9 is fixedly connected with the other end of the balance shaft 1, extruding plates 11 are fixedly arranged at the bottom of the shaft shell 9 and the bottom end of the support bottom plate 13, the top ends of the two extruding plates 11 are respectively contacted with the two ends of the outer wall of the communicating pipe 2, pressing plate bolts 12 are fixedly arranged at the two ends of the bottom of the two extruding plates 11, an oil seal device 5 is fixedly arranged at the middle position of the top end of the shaft shell 9, an oil seal cover 4 is fixedly arranged at the top end of the top of the shaft shell 9, a support frame 3 is fixedly arranged at the other end of the top of the shaft shell 9, a joint bearing 6 is fixedly arranged at the top end of the other side of the shaft shell 9, an end cover 8 is fixedly arranged at the other side of the shaft shell 9, the two ends of the inner wall of the end cover 8 are both fixedly provided with a locking bolt assembly 7, and the bottom end of the other side of the shaft shell 9 is fixedly provided with a connecting fork 10;

the utility model provides a as shown in fig. 2-5 a heavy load type balance shaft assembly, adopt "rice" style of calligraphy structure including the mounting plate lightening hole, be connected the increase circular arc with the bottom plate and pass through, effectively improved support frame 3 intensity, reduced weight, connect support frame 3 and two connection forks 10 in the outside respectively during the distance rod installation, with communicating pipe 2 and support frame 3 as being a whole, effectively improved the reliability of connecting, reduce the trouble, fig. 3 is support bottom plate 13 side, fig. 4 is support bottom plate 13 installation communicating pipe 2 and indicates, fig. 5 is support bottom plate 13 front.

The utility model discloses the theory of operation: the balance shaft 1 is fixedly connected with the frame through a support base plate 13, front and rear axle thrust rods and a shaft shell 9, the shaft shell 9 is connected with the shaft of the balance shaft 1 through a bearing, so that the shaft shell 9 can move relative to the shaft of the balance shaft 1, the bearing can prevent the inner ring and the outer ring of the bearing from being locked through gear oil lubrication, an oil seal device 5 and an end cover 8 are sealed to avoid gear oil leakage, a steel plate spring of the balance shaft 1 assembly in a two-axle balance suspension distributes load to a middle axle and a rear axle averagely, the grounding property of a heavy automobile, particularly a heavy special automobile tire is improved, and the balance of the load between the two axles or multiple axles under various working conditions is ensured. The vehicle frame transfers the load force of the vehicle body to the axle housing 9 through the plate spring, the axle housing 9 swings relative to the axle of the balance axle 1 due to the vibration of the plate spring, the axle housing 9 swings up and down on the axle along with the up-and-down jumping of the plate spring, and simultaneously the vehicle frame transfers the load force of the vehicle body to the support bottom plate 13 through the middle support, so that the balance axle 1 bears a part of the load of the vehicle frame, and the front axle and the rear axle are on the balance axle 1 through the acting force of the thrust rods at the same time, so that the balance axle 1 and the front axle and the rear axle form a linkage whole and the load of the front axle and the rear axle are uniformly distributed, thereby balancing, the front axle and the rear axle form a suspension structure for integrally supporting the load of the vehicle body, the connecting rod and the balance axle 1 form a closed loop structure, the bearing capacity of the assembly of the balance axle 1 is effectively improved, the thrust rod part of the support installation adopts a pressure plate fixedly connected connecting pipe, the left thrust rod and the right thrust rod are connected together through the communicating pipe 2, and form the closed loop structure with the balance shaft 1, has improved the bearing capacity of the assembly of the balance shaft 1, when the connecting pipe breaks down, can dismantle the stripper plate 11 and change the communicating pipe 2, easy to maintain; the support structure is optimally designed, the lightening holes of the mounting bottom plate are of a structure shaped like Chinese character 'mi', and are connected with the bottom plate to increase arc transition, so that the strength of the support is effectively improved, and the weight is reduced; when the thrust rod is installed, the bracket and the two outer side connecting forks 10 are respectively connected, and the communicating pipe 2 and the bracket are taken as a whole, so that the connection reliability is effectively improved, and the faults are reduced.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a balanced axle assembly of heavy load type, includes balanced axle (1), its characterized in that, the fixed support bottom plate (13) that is equipped with of one end of balanced axle (1), the one end interlude of support bottom plate (13) bottom is equipped with communicating pipe (2), the one end interlude of communicating pipe (2) outer wall is equipped with axle shell (9), the top of axle shell (9) one side and the other end fixed connection of balanced axle (1), the bottom of axle shell (9) bottom and support bottom plate (13) is all fixed and is equipped with stripper plate (11), two the top of stripper plate (11) contacts with the both ends of communicating pipe (2) outer wall respectively, two the both ends of stripper plate (11) bottom are all fixed and are equipped with clamp plate bolt (12).

2. The heavy-load type balance shaft assembly according to claim 1, wherein an oil seal device (5) is fixedly arranged at the middle position of the top end of the shaft shell (9), and an oil seal cover (4) is fixedly arranged at the top end of the oil seal device (5).

3. The heavy-duty balance shaft assembly of claim 1, wherein a support frame (3) is fixedly arranged at one end of the top of the shaft housing (9).

4. A heavy-duty balance shaft assembly according to claim 1, wherein a knuckle bearing (6) is fixed to the other end of the top of said shaft housing (9).

5. The heavy-duty balance shaft assembly according to claim 1, wherein an end cover (8) is fixedly arranged at the top end of the other side of the shaft housing (9), and locking bolt assemblies (7) are fixedly arranged at both ends of the inner wall of the end cover (8).

6. The heavy-duty balance shaft assembly of claim 1, wherein a connecting fork (10) is fixedly arranged at the bottom end of the other side of the shaft housing (9).

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