CN217294141U - Driving axle of front crane for railway container - Google Patents

Abstract

The utility model relates to an engineering vehicle transaxle technical field especially relates to a positive handling machine transaxle of railway container, the utility model discloses a following technical scheme: the utility model provides a positive handling machine transaxle of railway container, includes welding axle housing, main reducer, hub reduction gear and braking part, its characterized in that: the middle of the welded axle housing is provided with a spherical axle package containing a main speed reducer and a connector connected with a front-stage drive, two arms of the welded axle housing extend leftwards and rightwards, and the wheel-side speed reducer is arranged at the end parts of the two arms of the welded axle housing, which extend leftwards and rightwards, through a pair of back-to-back bearings; compared with the prior art, the method has the advantages that: the bearing capacity of the drive axle is greatly improved by adopting the integral axle housing assembly; the structural design is reliable, excessive maintenance is avoided, the railway container lifting device is suitable for long-time operation of railway containers, and the railway container lifting device can be widely applied to various fields such as 35-ton railway container front cranes.

Description

Driving axle of front crane for railway container

The technical field is as follows:

the utility model relates to an engineering vehicle transaxle technical field especially relates to a front handling machine transaxle of railway container.

The background art comprises the following steps:

the front crane for railway containers is a container stacking and carrying machine with high flexibility, which is suitable for railway administration station goods yard. The telescopic lifting device is structurally characterized in that a telescopic and pitching arm support is arranged on a self-propelled tire chassis, a telescopic and rotatable international standard special lifting appliance for containers is arranged, the arm support can be telescopic, pitching and lifting appliance rotating can be carried out during the whole vehicle load and the advancing process, and the development of the telescopic lifting device is originated from a container front lifting machine at a wharf.

Due to the characteristic of large bearing and small power of the drive axle of the front crane for the railway container, and the need of avoiding the interference between the front wheels and the arm support, the existing drive axle cannot be well applied to the crane in the field, so that further research is needed.

The invention content is as follows:

the utility model discloses an one of the purpose lies in solving at least one technical problem of background art and a positive handling machine transaxle of railway container that designs.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a positive handling machine transaxle of railway container, includes welding axle housing, main reducer, hub reduction gear and brake part, its characterized in that: the centre of welding formula axle housing is provided with the interface that contains main reducer's ball bridge package and preceding stage drive connection, and the both arms of welding formula axle housing extend to controlling, wheel reduction gear adopts doublestage NGW planetary reduction mechanism, and wheel reduction gear installs the tip of extending about welding formula axle housing both arms through a pair of back to back bearing, and the motion that preceding stage drive transmission was come is through main reducer speed reduction and the horizontal direction change 90 degrees backs, through setting up semi-axis transmission to wheel reduction gear about in two arms about welding formula axle housing about.

Preferably, a gear differential is arranged between the left half shaft and the right half shaft and the wheel reduction gear, so that the left wheel and the right wheel can realize different rotating speeds, and the gear differential is contained in a spherical axle package of the main reduction gear and fixed on the welded axle housing through a bolt group.

Preferably, the gear differential is an anti-skid gear reducer; when the situation that the antiskid is easy to slip exists in the field, the antiskid gear reducer can prevent the host vehicle from slipping, and the operation safety is guaranteed.

Preferably, the hub reduction gear is connected with a host tire through a rim, and the host tire can rotate around a horizontal axis. The rim size of this structure is little than prior art's rim size, can reduce the diameter of host computer tire under the condition of guaranteeing host computer tire bearing requirement, avoids the interference of host computer tire and handling cantilever crane.

Preferably, the braking component comprises a drive axle main brake and a front-stage driving brake, the drive axle main brake is detachably arranged at the joint of the wheel-side speed reducer and the welded axle housing, and the front-stage driving brake is detachably arranged at the top of the power input end of the main speed reducer.

Preferably, the main brake of the drive axle is a normally open wet multi-disc brake, and is forcibly cooled by externally-connected circulating cooling oil.

Preferably, the normally open wet multi-disc brake adopts dynamic and static friction plate combined braking, and the braking torque of the main brake of the drive axle can be adjusted by adjusting the number of the dynamic and static friction plate groups.

Preferably, the backing drive brake is a normally closed type caliper disc brake, is braked by a disc spring, and is released hydraulically.

The utility model has the advantages that: the integral axle housing assembly is adopted, so that the bearing capacity of the drive axle is greatly improved; the structural design is reliable, excessive maintenance is avoided, the device is suitable for long-time operation of railway containers, and the device can be widely applied to various fields such as 35-ton railway container front cranes, 25-30-ton ship container front cranes, 50-75-ton scrapers, transport vehicles and the like.

Description of the drawings:

FIG. 1 is a top view of a drive axle of a reach stacker for railway containers in embodiment 1;

FIG. 2 is a schematic connection diagram of a hub reduction gear of embodiment 1;

FIG. 3 is a schematic view of a driving connection structure of embodiment 1;

fig. 4 is a schematic view of the installation position of the normally open wet multi-disc brake of embodiment 1.

The specific implementation mode is as follows:

in order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1: referring to fig. 1-4, a positive handling machine transaxle of railway container, including welding axle housing 1, main reducer 2, wheel reduction gear 3 and braking part 4, the centre of welding axle housing 1 is provided with spherical axle package 11 and the interface 12 that the preceding stage drive that contains main reducer 2 is connected, and two arms of welding axle housing 1 extend to controlling, wheel reduction gear 3 installs the tip of extending about 1 two arms of welding axle housing through a pair of back to back bearing 31, and the motion that the preceding stage drive transmission was come changes 90 degrees backs through main reducer 2 speed reduction and horizontal direction, through setting up in 1 left and right sides of welding axle housing two arms about semi-axis 13 transmission to wheel reduction gear 3.

Due to the characteristics of the front crane for the railway container, the drive axle has large bearing capacity, particularly the front axle, and about 90 percent of the weight of the whole crane is borne by the front axle; the front crane for the railway container has small drive axle power because the working place is mostly a flat place; on the other hand, the structure with high bearing and low power ensures that the arm support of the lifting machine needs to be arranged as close as possible to the body of the lifting machine, so that the tire is extremely easy to interfere with the arm support; the utility model discloses a welding axle housing 1 can undertake bigger weight because its monolithic structure, and the structure of wheel reduction gear 3 is more conventional little, can be applicable to the less tire of diameter, reduces the probability that produces the interference between tire and the cantilever crane.

Preferably, a gear differential 5 is arranged between the left half shaft 13 and the right half shaft 13 and the wheel reduction gear 3, so that the left wheel and the right wheel can realize different rotating speeds, and the gear differential 5 is arranged in the spherical axle packet 11 in a half packet mode and is fixed on the integrated axle housing 1 assembly through a bolt group 51.

Preferably, the gear differential 5 is an anti-skid gear reducer 50; when the situation of easy slipping exists in the field, the anti-slip gear reducer 50 can prevent the host vehicle from slipping, and the operation safety is guaranteed.

Preferably, the hub reduction gear 3 is connected to the host tire 6 via a rim 61, and the host tire 6 is rotatable about a horizontal axis.

Preferably, the brake component 4 comprises a drive axle main brake 41 and a front-drive brake 42, the drive axle main brake 41 is detachably arranged at the joint of the wheel-side reducer 3 and the welded axle housing 1, and the front-drive brake 42 is detachably arranged on the top of the power input end of the main reducer 2.

Preferably, the transaxle main brake 41 is a normally open wet multi-disc brake 410, and is forcibly cooled by externally circulating cooling oil.

Preferably, the normally open wet multi-disc brake 410 adopts dynamic and static friction disc combined braking, and the braking torque of the drive axle foundation brake 41 can be adjusted by adjusting the number of the dynamic and static friction disc groups.

Preferably, the front-stage drive brake 42 is a normally closed caliper disc brake 420, which is braked by a disc spring and released hydraulically.

The bearing capacity of the drive axle is greatly improved by adopting the integral axle housing assembly; the structural design is reliable, excessive maintenance is avoided, the device is suitable for long-time operation of railway containers, and the device can be widely applied to various fields such as 35-ton railway container front cranes, 25-30-ton ship container front cranes, 50-75-ton scrapers, transport vehicles and the like.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides a positive handling machine transaxle of railway container, includes welding axle housing, main reducer, hub reduction gear and braking part, its characterized in that: the centre of welding formula axle housing is provided with the interface that contains main reducer's spherical bridge package and preceding stage drive connection, and the both arms of welding formula axle housing extend to controlling, wheel reduction gear installs the tip of extending about welding formula axle housing both arms through a pair of bearing back to back, and the motion that preceding stage drive transmission was come is through main reducer speed reduction and the horizontal direction change 90 degrees backs, through setting up semi-axis transmission to wheel reduction gear about in two arms about the welding formula axle housing.

2. The drive axle of the reach stacker for railway containers as claimed in claim 1, wherein: a gear differential mechanism is arranged between the left half shaft and the right half shaft and the wheel reduction gear, so that the left wheel and the right wheel can realize different rotating speeds, and the gear differential mechanism is half contained in a spherical axle package of the main reduction gear and fixed on the welding type axle housing through a bolt group.

3. The drive axle of the reach stacker for railway containers as claimed in claim 2, wherein: the gear differential is an anti-skid gear reducer.

4. The drive axle of the reach stacker for railway containers as claimed in claim 1, wherein: the hub reduction gear is connected with the main tire through a rim, and the main tire can rotate around a horizontal axis.

5. The drive axle of the reach stacker for railway containers as claimed in claim 1, wherein: braking part includes transaxle service brake and preceding stage drive brake, and transaxle service brake detachable sets up in the junction of hub reduction gear and welded axle housing, and preceding stage drive brake detachable sets up at final drive's power input end top.

6. The drive axle of the reach stacker for railway containers as claimed in claim 5, wherein: the main brake of the drive axle adopts a normally open wet multi-disc brake, and is forcibly cooled by external circulating cooling oil.

7. The drive axle of the reach stacker for railway containers as defined in claim 6, wherein: the normally open wet type multi-disc brake adopts dynamic and static friction plate combination braking, and the braking torque of the main brake of the drive axle can be adjusted by adjusting the number of the dynamic and static friction plate groups.

8. A railway container reach stacker drive axle according to any one of claims 5 to 7, wherein: the front-stage driving brake adopts a normally closed type caliper disc brake, is braked by a disc spring and is released hydraulically.

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