CN215890966U

CN215890966U - Transmission device for gantry crane cart

Info

Publication number: CN215890966U
Application number: CN202122055269.8U
Authority: CN
Inventors: 翁杰; 周鹏
Original assignee: Wuxi Huadong Heavy Machinery Co ltd
Current assignee: Wuxi Huadong Heavy Machinery Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-22
Anticipated expiration: 2031-08-27

Abstract

The utility model provides a transmission device for a gantry crane cart, which comprises a driving trolley set and a pinion device, wherein an output gear is arranged on the driving trolley set, the output gear is meshed with a pinion in the pinion device, the pinion is meshed with a driving gear, the pinion device comprises a pinion shaft and a shaft sleeve sleeved on the pinion shaft, two parallel bearings are sleeved on the shaft sleeve, a first oil path is arranged in the pinion shaft, and the first oil path extends into a gap between the two bearings. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, can ensure that oil can enter the bearing by arranging the oil way in the pinion shaft, can improve the lubricating effect on the pinion, ensures that the operation of the pinion is more stable, effectively transmits the acting force of the output gear to the driving gear through the pinion device, and has strong practicability.

Description

Transmission device for gantry crane cart

Technical Field

The utility model relates to the technical field of gantry crane equipment, in particular to a transmission device for a gantry crane cart.

Background

The gantry crane is hoisting equipment widely applied to the logistics handling industry, and is widely applied in the large-scale equipment loading and transporting process.

The gantry crane is very heavy, and can be conveyed by a special crane mechanism through a gear rotating speed ratio, but the pinion is easy to damage due to the fact that the torque is large and the rotating speed of the pinion is also large.

In order to increase the service life of the pinion, a transmission for a gantry crane cart is proposed.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve or at least alleviate problems in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a transmission device for a gantry crane cart comprises a driving trolley set and a pinion device, wherein an output gear is arranged on the driving trolley set, the output gear is meshed with a pinion in the pinion device, and meanwhile, the pinion is meshed with a driving gear.

The pinion device comprises a pinion shaft and a shaft sleeve sleeved on the pinion shaft, two parallel bearings are sleeved on the shaft sleeve, a first oil path is formed in the pinion shaft and extends into a gap between the two bearings, meanwhile, an oil nozzle corresponding to the first oil path is connected to the pinion shaft, and the two bearings are sleeved with the same pinion.

Optionally, the pinion is connected to the hub by a transparent cover.

Optionally, an oil seal corresponding to the bearing is arranged in the transparent cover.

Optionally, a locating sleeve is clamped between the two bearings.

Optionally, the oil blanket is the setting of C type, and the one end of oil blanket is connected on embracing the axle, and is provided with L shape strengthening rib in the oil blanket.

The embodiment of the utility model provides a transmission device for a gantry crane cart. The method has the following beneficial effects: according to the utility model, the oil way is arranged in the pinion shaft, so that oil can enter the bearing, the lubricating effect on the pinion can be improved, the operation of the pinion is more stable, the acting force of the output gear is effectively transmitted to the driving gear through the pinion device, and the practicability is very strong.

Drawings

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

FIG. 2 is a schematic sectional view of the structure A-A in FIG. 1;

FIG. 3 is a schematic view of the pinion gear arrangement of the present invention;

fig. 4 is an enlarged schematic view of the oil seal structure of the present invention.

In the figure: the driving trolley set 1, an output gear 1.1, a pinion device 2, a shaft sleeve 2.1, a transparent cover 2.2, an oil seal 2.3, a shaft holding 2.31, an L-shaped reinforcing rib 2.32, a pinion 2.4, a bearing 2.5, a positioning sleeve 2.6, a pinion shaft 2.7, an oil nozzle 2.8 and a driving gear 3

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a transmission for a gantry crane cart includes a drive trolley set 1 and a pinion gear set 2, the drive trolley set 1 is provided with an output gear 1.1, and the output gear 1.1 engages a pinion 2.4 in the pinion gear set 2, while the pinion 2.4 engages a drive gear 3.

In order to improve the effect of output stability and output, pinion gear 2 includes pinion shaft 2.7 to and the cover is at axle sleeve 2.1 on pinion shaft 2.7, cup jointed two parallel bearings 2.5 on the axle sleeve 2.1, the centre gripping has position sleeve 2.6 between two bearings 2.5, seted up first oil circuit in pinion shaft 2.7, and in first oil circuit extended to the gap between two bearings 2.5, be connected with on the pinion shaft 2.7 with the corresponding glib talker 2.8 of first oil circuit simultaneously.

The two bearings 2.5 are sleeved with the same pinion 2.4, meanwhile, the pinion 2.4 is connected to the shaft sleeve 2.1 through the transparent cover 2.2, an oil seal 2.3 corresponding to the bearing 2.5 is arranged in the transparent cover 2.2, the transparent cover 2.2 fixes the pinion 2.4 on one hand, and the transparent cover 2.2 can seal the bearing 2.5 on the other hand to prevent lubricating oil from flowing out; through the lubricating oil that adds in glib 2.8 to bearing 2.5, can improve lubricated effect, improve pinion 2.4's operating stability to can be better transmit drive gear 3 with output gear 1.1's effort through pinion 2.4, then can drive cart mechanism's removal.

The oil seal 2.3 is arranged in a C shape, one end of the oil seal 2.3 is connected to the axle-hung portion 2.31, and an L-shaped reinforcing rib 2.32 is arranged in the oil seal 2.3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A transmission device for a gantry crane cart comprises a driving trolley set and a pinion device, wherein an output gear is arranged on the driving trolley set, the output gear is meshed with a pinion in the pinion device, and the pinion is meshed with a driving gear;

the method is characterized in that: the pinion device comprises a pinion shaft and a shaft sleeve sleeved on the pinion shaft, two parallel bearings are sleeved on the shaft sleeve, a first oil path is formed in the pinion shaft and extends into a gap between the two bearings, meanwhile, an oil nozzle corresponding to the first oil path is connected to the pinion shaft, and the two bearings are sleeved with the same pinion.

2. A transmission for a gantry crane cart according to claim 1, wherein: the pinion is connected to the shaft sleeve through the transparent cover.

3. A transmission for a gantry crane cart according to claim 1, wherein: and an oil seal corresponding to the bearing is arranged in the transparent cover.

4. A transmission for a gantry crane cart according to claim 1, wherein: and a positioning sleeve is clamped between the two bearings.

5. A transmission for a gantry crane cart according to claim 1, wherein: the oil blanket is the setting of C type, and the one end of oil blanket is connected on embracing the axle, and is provided with L shape strengthening rib in the oil blanket.