CN219192388U

CN219192388U - Oiling formula king pin axle and oiling formula caterpillar track assembly for track

Info

Publication number: CN219192388U
Application number: CN202223219860.3U
Authority: CN
Inventors: 刘国义; 陈世平; 魏茂亚; 王成琦
Original assignee: Gangke Crawler Jiangsu Co ltd
Current assignee: Gangke Crawler Jiangsu Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-16
Anticipated expiration: 2032-12-02

Abstract

The application provides oiling formula king pin axle and oiling formula caterpillar track assembly for track, include: the oil cup comprises a main pin shaft, an oil cup arranged on the main pin shaft, and a first plug or a second plug for protecting the oil cup; one end of the main pin shaft can be provided with a threaded hole for installing a second plug, two coaxial internal threaded holes with different sizes can be machined, an oil cup and a first plug are installed respectively, the main pin shaft is provided with two coaxial threaded holes with different sizes, the threaded holes close to the internal measurement of the main pin shaft are smaller, the threaded holes at the end part of the main pin shaft are larger and are provided with first plugs, the thread specifications of the oil cup and the first plugs are different (the threads can be the same or different), and the first plugs are flush with the end part of the main pin shaft after being assembled. According to the oiling type chain rail assembly, clients can conveniently add lubricating oil to the main chain link pin shaft at regular intervals, the problem of aggravation of abrasion of the pin shaft and the pin shaft caused by the loss of the traditional lubricating oil of the oil chain and the fat chain is avoided, and the service lives of the main pin shaft and the main pin sleeve are effectively prolonged.

Description

Oiling formula king pin axle and oiling formula caterpillar track assembly for track

Technical Field

The utility model relates to the field of caterpillar track and caterpillar track assemblies, in particular to an oiling main pin shaft for caterpillar tracks and an oiling caterpillar track assembly.

Background

The crawler chassis consists of four wheels and one belt, and comprises driving teeth, guide wheels, supporting wheels, chain supporting wheels and crawler assemblies. The track assembly consists of a track link, a pin shaft, a pin bush, a track shoe, a bolt and the like.

The track caterpillar assembly mainly comprises an oil chain and a fat chain, the service life of the oil chain is prolonged by more than 30% -50% than that of the fat chain, at present, the oil chain mainly depends on a precise machining process to ensure good assembly effect and excellent sealing performance, pin lubricating oil is filled once during assembly, filling cannot be performed according to actual use conditions in the later stage, the sealing element and the assembly requirements are higher, the problem that lubricating oil is difficult to supplement in time after loss exists, certain influence is generated on the service life of sales and pin sleeves, and meanwhile, the performance requirements and the assembly progress requirements of the sealing assembly are higher.

Disclosure of Invention

The utility model mainly aims to provide an oiling main pin shaft for a crawler belt and an oiling chain rail assembly, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an oiling type main pin shaft for a crawler belt, comprising:

the oil cup is arranged on the main pin shaft, and the first plug is used for protecting the oil cup; one end of the main pin shaft is provided with a threaded hole, two coaxial internal threaded holes with different sizes are machined, and an oil cup and a first plug are respectively installed.

Preferably, the main pin shaft is provided with two coaxial 55-degree taper threaded holes with different sizes, the threaded holes close to the inner measurement of the main pin shaft are smaller, the oil cup is installed, the threaded holes at the end part of the main pin shaft are larger, the first plug is installed, the oil cup and the first plug are different in thread specification, the first plug is used for protecting the oil cup, sundries such as sludge and the like are prevented from damaging the oil cup during crawler work, and the first plug is flush with the end part of the main pin shaft after being assembled.

Preferably, a 55-degree conical threaded hole is machined at one end of the main pin shaft, the threaded hole is used for assembling an oil cup and a second plug, the specifications of threads of the oil cup and the second plug are the same, the design aims at a thinner structure of the main pin shaft, a larger threaded hole cannot be machined at the end part of the main pin shaft, and the phenomenon of pressure deformation in the assembling process caused by too thin wall thickness of the main pin shaft is avoided. The oil cup and the second plug of the structure cannot be assembled at the same time, and the end part of the main pin shaft is the second plug in the working state of the crawler belt, so that the oil cup can be replaced temporarily only.

An oiling type caterpillar track assembly for a caterpillar track comprises a main pin shaft, an oil cup arranged on the main pin shaft, a first plug used for protecting the oil cup, a pin sleeve arranged outside the main pin shaft, spacing rings at two ends of the main pin shaft and caterpillar track links, wherein the main pin shaft of the caterpillar track assembly reserves the lubricating oil cup;

the oil cup and the first plug are designed by adopting 55-degree conical threads, so that better tightness is achieved;

preferably, the caterpillar assembly can be provided with a second plug, the caterpillar assembly is replaced by an oil cup during oil injection, and the caterpillar assembly is replaced by the second plug after oil injection is completed; the caterpillar assembly can be provided with the oil cup and the first plug in sequence, and the first plug has a protective effect on the oil cup; and during oiling, the first plug is firstly disassembled, and then the first plug is installed after oiling is completed.

Preferably, the oiling type caterpillar track assembly specifically comprises a main pin shaft, an oil cup arranged on the main pin shaft, a first plug and a second plug for protecting the oil cup, a pin sleeve arranged outside the pin shaft, spacing rings at two ends of the pin sleeve and caterpillar track links, wherein the main pin shaft of the caterpillar track assembly can be oiled and lubricated regularly, and the oiling mode is described in the oiling type main pin shaft embodiment and is not repeated.

Preferably, after the assembly of the spacer ring and the pin sleeve of the caterpillar track assembly is completed, the unilateral reserved gap between the spacer ring and the caterpillar track joint is 0.3-0.5mm, so that the caterpillar track assembly has certain frame momentum left and right after the assembly of the caterpillar track assembly is completed.

Compared with the prior art, the utility model has the following beneficial effects:

the oiling type caterpillar track assembly is convenient for clients to periodically increase lubricating oil to the main chain link pin shafts, so that the problem of aggravation of abrasion of the pin shafts and pin shafts caused by the loss of the traditional lubricating oil of the oil chains and the fat chains is avoided, and the service lives of the main pin shafts and the main pin sleeves are effectively prolonged.

Drawings

FIG. 1 is a diagram of a double threaded hole oiling king pin shaft;

FIG. 2 is a diagram of a single threaded hole oiling king pin shaft;

FIG. 3 is a block diagram of an oiling caterpillar assembly using double threaded holes;

FIG. 4 is a block diagram of an oiling caterpillar assembly employing a single threaded hole.

In the figure: 1. a main pin shaft; 2. an oil cup; 3. a first plug; 4. a second plug; 5. a pin sleeve; 6. a spacer ring; 7. and a caterpillar link.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Example 1

Referring to fig. 1, an oiling type main pin shaft for a crawler belt, comprising:

the oil cup comprises a main pin shaft 1, an oil cup 2 arranged on the main pin shaft 1 and a first plug 3 for protecting the oil cup 2; one end of the main pin shaft 1 is provided with a threaded hole, two coaxial internal threaded holes with different sizes are processed, an oil cup 2 and a first plug 3 are respectively arranged,

as shown in fig. 1, two coaxial 55-degree taper threaded holes with different sizes are machined on a main pin shaft 1, the threaded holes close to the inner side of the main pin shaft 1 are smaller, an oil cup 2 is installed, the threaded holes at the end part of the main pin shaft 1 are larger, a first plug 3 is installed, the oil cup 2 and the first plug 3 are different in thread specification, the first plug 3 is used for protecting the oil cup, sundries such as sludge and the like are prevented from damaging the oil cup when a crawler works, and the first plug 3 is flush with the end part of the main pin shaft 1 after being assembled;

fig. 2 is a schematic diagram of a 55 ° taper threaded hole machined at one end of the main pin shaft 1, and meanwhile, the screw thread specifications of the oil cup 2 and the second plug 4 are the same, the design is aimed at a thinner structure of the main pin shaft 1, a larger threaded hole cannot be machined at the end, and the phenomenon of pressure deformation in the assembly process caused by too thin wall thickness of the main pin shaft 1 is avoided.

The oil cup 2 and the second plug 4 with the structure cannot be assembled at the same time, and the end part of the main pin shaft is the second plug 4 in the working state of the crawler belt, so that the oil cup 2 can be replaced temporarily only;

as shown in fig. 3-4, an oiling type caterpillar track assembly for a caterpillar track comprises a main pin shaft 1, an oil cup 2 arranged on the main pin shaft, a first plug 3 for protecting the oil cup 2, pin sleeves 5 arranged outside the main pin shaft 1, spacing rings 6 at two ends of the pin sleeves 5 and caterpillar track links 7, wherein the main pin shaft 1 of the caterpillar track assembly is reserved with a lubricating oil cup 2, and lubricating oil can be added periodically;

the oil cup 2 and the first plug 3 are designed by adopting 55-degree conical threads, so that better tightness is achieved;

the caterpillar assembly can be provided with a second plug 4, the caterpillar assembly is replaced by an oil cup 2 during oil injection, and the caterpillar assembly is replaced by the second plug 4 after oil injection is completed; the caterpillar assembly can be provided with the oil cup 2 and the first plug 3 in sequence, and the first plug 3 protects the oil cup 2; during oiling, the first plug 3 is detached firstly, and the first plug 3 is installed after oiling is completed.

After the assembly of the spacer ring 6 and the pin bush 5 of the caterpillar track assembly is completed, the unilateral reserved gap between the spacer ring 6 and the caterpillar track joint 7 is 0.3-0.5mm, so that the caterpillar track assembly has certain frame momentum left and right after the assembly of the caterpillar track assembly is completed.

The working principle of the utility model is as follows: compared with the prior art, the oiling type caterpillar assembly is convenient for clients to periodically increase lubricating oil to the main chain link pin shaft, so that the problem of aggravation of abrasion of the pin shaft and the pin shaft caused by the loss of the traditional lubricating oil of the oil chain and the fat chain is avoided, and the service lives of the main pin shaft and the main pin sleeve are effectively prolonged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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

1. An oiling formula king pin axle for track, characterized by comprising: the oil cup comprises a main pin shaft (1), an oil cup (2) arranged on the main pin shaft (1), and a first plug (3) or a second plug (4) for protecting the oil cup (2); one end of the main pin shaft (1) is provided with a threaded hole for installing the second plug (4), two coaxial internal threaded holes with different sizes are machined, and an oil cup (2) and a first plug (3) are respectively installed.

2. An oiling type main pin shaft for a crawler belt according to claim 1, wherein: the main pin shaft (1) is provided with two coaxial 55-degree taper threaded holes with different sizes, an oil cup (2) is installed in a smaller mode close to the threaded holes measured in the main pin shaft (1), a first plug (3) is installed in a larger mode in the threaded holes in the end portion of the main pin shaft (1), the oil cup (2) and the first plug (3) are different in thread specification, and the first plug (3) is flush with the end portion of the main pin shaft (1) after being assembled.

3. An oiling master pin for a crawler belt according to claim 2, wherein: one end of the main pin shaft (1) is provided with a 55-degree conical threaded hole, the threaded hole is used for assembling the oil cup (2) and the second plug (4), the threaded specifications of the oil cup (2) and the threaded specifications of the second plug (4) are the same, the oil cup (2) and the second plug (4) cannot be assembled at the same time, and the end part of the main pin shaft is the second plug (4) in a working state and is temporarily replaced by the oil cup (2).

4. An oiling formula caterpillar track assembly for track, its characterized in that: the novel oil cylinder comprises a main pin shaft (1), an oil cup (2) arranged on the main pin shaft (1), a first plug (3) used for protecting the oil cup (2), a pin sleeve (5) arranged outside the main pin shaft (1), spacing rings (6) at two ends of the main pin shaft (1) and chain track links (7), wherein the chain track assembly main pin shaft (1) is reserved with the lubricating oil cup (2).

5. An oil impregnated caterpillar assembly for a caterpillar according to claim 4, wherein: the oil cup (2) and the first plug (3) are designed by adopting 55-degree conical threads.

6. An oil impregnated caterpillar assembly for a caterpillar according to claim 4, wherein: after the assembly of the spacing ring (6) and the pin bush (5) of the caterpillar track assembly is completed, a unilateral reserved gap between the spacing ring (6) and the caterpillar track joint (7) is 0.3-0.5mm.

7. An oil impregnated caterpillar assembly for a caterpillar according to claim 4, wherein: the caterpillar assembly can be provided with a second plug (4), the second plug is replaced by an oil cup (2) when oiling, and the second plug (4) is replaced after oiling is completed; the caterpillar track assembly can be provided with the oil cup (2) and the first plug (3) in sequence, the first plug (3) is detached firstly during oiling, and the first plug (3) is arranged after oiling is completed.