CN218935989U

CN218935989U - Rear rail structure of molten iron car axle box convenient for filling lubricating grease

Info

Publication number: CN218935989U
Application number: CN202320277647.3U
Authority: CN
Inventors: 万亮; 程志波; 杨荧; 吴传文; 程志刚; 廖正新
Original assignee: Baowu Group Echeng Iron and Steel Co Ltd
Current assignee: Baowu Group Echeng Iron and Steel Co Ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-04-28
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to a rear gear structure of a molten iron car axle box, which is convenient for filling lubricating grease, and the rear gear structure comprises an axle box rear gear, wherein an injection hole is drilled on the circumferential edge surface of the axle box rear gear, a lower nut joint is welded at the orifice part of the injection hole, a double-head extension pipe is connected to the lower nut joint, one end of the double-head extension pipe is connected to the lower nut joint in a threaded manner, and the other end of the double-head extension pipe is connected to a half quick connector female joint in a threaded manner; the dustproof cap is sleeved on the female head of the two-part quick connector and is used for covering the port of the double-end extension tube; the utility model realizes the operation of uniformly injecting lubricating oil into the bearing balls of the axle box of the molten iron car, and completely extrudes the ineffective lubricating grease to the front end of the axle box, so that the lubricating grease is easy to clean, and the filling mode is convenient and quick.

Description

Rear rail structure of molten iron car axle box convenient for filling lubricating grease

Technical Field

The utility model relates to the technical field of mechanical equipment in steel workshops, in particular to a rear rail structure of a molten iron car axle box, which is convenient for filling lubricating grease.

Background

When the molten iron car is maintained and repaired, new lubricating grease needs to be added to the bearing of the shaft box, so that the normal operation of the bearing is ensured, and the existing lubricating grease adding mode has the following defects:

1. the way of manually smearing and filling the lubricating grease cannot ensure that the bearing balls uniformly infiltrate the lubricating grease.

2. Grease is smeared on the ball positions of the bearings in a manual mode, and the double-row bearings cannot be guaranteed to be evenly permeated into the grease due to the fact that the double-row bearings are arranged in the axle box and the thickness of each bearing is 50 mm. It becomes key how to uniformly infiltrate and inject lubricating grease into double-row bearings in the axle box of the molten iron car.

3. The failed grease cannot be thoroughly cleaned. Grease in the bearing ball of the axle box can be subjected to mechanical shearing and centrifugal force simultaneously to cause softening, consistency reduction, oil precipitation increase and the like in use, and finally the grease is invalid, so that old grease in the bearing ball needs to be cleaned when the bearing ball of the axle box is inspected and overhauled, and invalid grease in the bearing ball cannot be cleaned in a manual mode. Therefore, it would be desirable if the grease filling device could be designed to facilitate efficient cleaning of the old grease while filling with new grease.

Disclosure of Invention

The utility model aims at providing the rear gear structure of the axle box of the molten iron car, which is convenient for filling lubricating grease, so that the rolling balls of the bearing of the axle box of the molten iron car are uniformly injected with lubricating oil by pressing, and invalid lubricating grease is completely extruded to the front end of the axle box, so that the axle box is easy to clean, and the filling mode is convenient and quick.

The specific scheme of the utility model is as follows: the utility model provides a ladle car axle box back rail structure convenient to lubricating grease filling, has the axle box back rail, it is equipped with an injection hole to bore on the circumference edge face of axle box back rail, the drill way position welding of injection hole is equipped with a lower nut joint, is connected with a double-end extension pipe on the lower nut joint, and the one end screw thread of double-end extension pipe is connected on lower nut joint, and the other end screw thread of double-end extension pipe is connected with a bipartite quick-operation joint female head; and a dustproof cap is also arranged and sleeved on the two-part quick connector female head and used for covering the port of the double-end extension tube.

Furthermore, the outer side wall of the dustproof cap is also connected with a lacing, one end of the lacing is connected with a lantern ring, and the lantern ring is sleeved on the double-head extension pipe and positioned below the female head of the bipartite quick connector.

Further, the injection hole in the utility model has an inner diameter of 8-10 mm.

Further, external threads are arranged on the outer walls of the two ends of the double-end extension pipe, and the upper section of external threads and the lower section of external threads are respectively connected with the female joint of the two-way quick connector and the female joint of the lower nut connector in a threaded manner.

Further, the dust cap is a cylindrical cap made of elastic rubber.

Compared with the traditional manual grease smearing and filling mode, the technical scheme of the utility model has the following advantages:

1. the bearing ball can be uniformly impregnated with lubricating grease, and after the electric oiling machine is connected by the mechanism, the lubricating grease is extruded into the rear gear oil ring by pressure and then extruded into the bearing ball, so that the bearing ball can be uniformly impregnated with new lubricating grease.

2. The rear gear structure of the utility model can be used for conveniently cleaning the old lubricating grease. By pressure extrusion, old and invalid lubricating grease is extruded out of the front end of the axle box while new lubricating grease is filled, and the old lubricating grease is easy to clean.

3. The mode of filling lubricating grease into the rear gear structure is quick and efficient. When the grease is filled, the quick connector of the electric oiling machine is inserted into the device, the oiling machine is started, and the bearings in the 1 axle boxes can be uniformly filled with the grease within about 1 minute, so that the device is quick and efficient.

Drawings

FIG. 1 is a schematic view of the front view of the present utility model;

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

FIG. 3 is a schematic view of the state of the utility model in connection with an electric oiling machine.

In the figure: the device comprises a lower nut joint, a double-head extension pipe, a 3-sleeve ring, a 4-bipartite quick joint female joint, a 5-dustproof cap, a 6-lacing, a 7-axle box rear rail, an 8-mounting screw hole, a 9-oil injection pipe and a 10-electric oil injection machine.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent in the drawings of the present utility model, wherein it is to be understood that the embodiments described are merely some, but not all embodiments of the utility model. 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 fall within the scope of the utility model. In the description of the present utility model, it should be noted that, the terms "upper", "lower", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings, or an orientation or a positional relationship in which the inventive product is conventionally put in use, merely for convenience of describing the present utility model or simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured or operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the utility model is a rear gear structure of a molten iron car axle box which is convenient for filling lubricating grease, and is provided with a rear gear 7 of the axle box, an injection hole is drilled on the peripheral edge surface of the rear gear of the axle box, further, the inner diameter of the injection hole is 8-10 mm, 8.4mm is taken during actual manufacturing, a lower nut joint 1 is welded at the orifice part of the injection hole, a double-end extension pipe 2 is connected to the lower nut joint, one end of the double-end extension pipe is connected to the lower nut joint in a threaded manner, the other end of the double-end extension pipe is connected with a double-end quick connector female head 4 in a threaded manner, and further, external threads are respectively arranged on the outer walls of two ends of the double-end extension pipe, and the upper section of external threads and the lower section of external threads are respectively connected with the double-end quick connector female head and the lower nut joint in a threaded manner; the utility model further provides a dustproof cap 5 which is sleeved on the female head of the two-part quick connector and is used for covering the port of the double-end extension tube, and further, the dustproof cap is a cylindrical cap made of elastic rubber materials.

Furthermore, the outer side wall of the dustproof cap is also connected with a lacing 6, one end of the lacing is connected with a lantern ring 3, and the lantern ring is sleeved on the double-head extension tube and positioned below the female head of the bipartite quick connector.

The utility model only carries out local structural improvement on the rear gear of the axle box part in the molten iron car, does not influence the whole use effect of the axle box, and is operated as follows when carrying out specific improvement:

the lower nut joint, the double-head extension pipe and the two-head quick joint female joint of the components are sequentially screwed and sleeved with the dustproof cap, so that a structure for filling lubricating grease into the rear gear of the axle box is formed, an 8.4mm injection hole is drilled in the middle of the upper top end of the rear gear of the axle box, and the lower nut joint is welded on the injection hole, so that the design of the structure is completed; when the grease filling operation is performed, the 2-part quick connector male head and the two-part quick connector female head at the end part of the grease filling pipe 9 on the grease electric oiling machine 10 are tightly inserted and connected, the electric oiling machine is started, new grease is pressed into the rear oil baffle groove from the injection hole and then is injected into the bearing ball through the pressing force, and meanwhile old grease in the ball is extruded to the front end of the axle box, so that the quick and efficient grease filling of the axle box bearing of the molten iron car is realized, and meanwhile, the original waste grease is smoothly discharged.

After the operation of injecting lubricating grease is finished, the oil injection pipe is pulled down, and then the dustproof cap is tightly covered on the female head of the bipartite quick connector, so that the phenomenon that grease overflows when a molten iron car runs is avoided, and meanwhile, dust, sundries and the like outside enter the bearing axle box to influence the purity of the internal lubricating grease.

After the improvement of the utility model, the bearing ball can be uniformly impregnated with lubricating grease, and the electric oiling machine is connected through the mechanism of the utility model, and then the lubricating grease is extruded into the rear-end oil ring by pressure and then into the bearing ball, so that the bearing ball can be uniformly impregnated with new lubricating grease. The rear gear structure of the utility model can be used for conveniently cleaning the old lubricating grease. By pressure extrusion, old and invalid lubricating grease is extruded out of the front end of the axle box while new lubricating grease is filled, and the old lubricating grease is easy to clean. The mode of filling lubricating grease into the rear gear structure is quick and efficient. When the grease is filled, the quick connector of the electric oiling machine is inserted into the device, the oiling machine is started, and the bearings in the 1 axle boxes can be uniformly filled with the grease within about 1 minute, so that the device is quick and efficient.

Claims

1. Molten iron car axle box back rail structure convenient to lubricating grease filling has axle box back rail, its characterized in that: an injection hole is drilled on the circumferential edge surface of the axle box back rail, a lower nut joint is welded at the orifice part of the injection hole, a double-head extension pipe is connected to the lower nut joint, one end of the double-head extension pipe is connected to the lower nut joint through threads, and the other end of the double-head extension pipe is connected with a double-head quick joint female joint through threads; and a dustproof cap is also arranged and sleeved on the two-part quick connector female head and used for covering the port of the double-end extension tube.

2. The rear rail structure of a molten iron car axle box for facilitating grease filling according to claim 1, wherein: the dustproof cap is characterized in that the outer side wall of the dustproof cap is also connected with a lacing, one end of the lacing is connected with a lantern ring, and the lantern ring is sleeved on the double-head extension tube and positioned below the female head of the bipartite quick connector.

3. The rear rail structure of a molten iron car axle box for facilitating grease filling according to claim 1, wherein: the inner diameter of the injection hole is 8-10 mm.

4. The rear rail structure of a molten iron car axle box for facilitating grease filling according to claim 1, wherein: external threads are arranged on the outer walls of the two ends of the double-end extension pipe, and the upper section of external threads and the lower section of external threads are respectively in threaded connection with the female head of the bipartite quick connector and the lower nut connector.

5. The rear rail structure of a molten iron car axle box for facilitating grease filling according to claim 1, wherein: the dustproof cap is a cylindrical cap made of elastic rubber.