Centralized lubrication device and engineering machine

Abstract

The utility model discloses a centralized lubricating device and engineering machinery, including swing arm, rocker, pull rod, the swing arm includes two left and right interval arrangement's swing arm board, two the swing arm board between installation has with both fixed connection's swing arm crossbeam, swing arm crossbeam with the middle part of rocker has first hinged joint, the front end of rocker with one end of pull rod has second hinged joint, the other end of pull rod with third hinged joint has to shovel, the rear end of rocker with fourth hinged joint has to turn bucket oil cylinder, first hinged joint, second hinged joint, third hinged joint, fourth hinged joint are connected with one end of first lubrication hose, second lubrication hose, third lubrication hose, fourth lubrication hose respectively, and one swing arm board's outside surface is equipped with oil -passing block, and the oil -passing block has opened four oil grooves. The utility model leads to the lubrication of hinged joint to the swing arm outside same place and the position of suitable height, and reduces the difficulty of filling.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, and in particular to a centralized lubrication device and engineering machinery. Background Technology

[0002] To meet the functional requirements of loaders, pivot pins are needed to form rotating pairs in the loader's working device, articulations, and front and rear frame steering mechanisms. To ensure loader operation, lubricating oil needs to be added to these pivot pins regularly to reduce wear between the pins and bushings / structural components. However, due to the numerous and varied lubrication points on the working device—some high off the ground, others low, and some located on the inner side—lubrication becomes difficult and inefficient. Utility Model Content

[0003] The purpose of this utility model is to provide a centralized lubrication device and engineering machinery to solve the problems of numerous and varied lubrication points on the working device in the prior art, some of which are high off the ground and some are low and located on the inside, resulting in difficulty and low efficiency in lubricating oil filling.

[0004] To achieve the above objectives, the present invention provides a centralized lubrication device, including a boom, a rocker arm, and a tie rod. The boom includes two boom plates spaced apart to the left and right, and a boom crossbeam fixedly connected to the two boom plates. The boom crossbeam has a first hinge point with the middle of the rocker arm, the front end of the rocker arm has a second hinge point with one end of the tie rod, the other end of the tie rod has a third hinge point with the bucket, and the rear end of the rocker arm has a fourth hinge point with the bucket cylinder. The first, second, third, and fourth hinge points are respectively connected to one end of a first, second, third, and fourth lubrication hose, respectively. An oil passage block is provided on the outer side of one of the boom plates, and the oil passage block has four oil grooves. The other ends of the first, second, third, and fourth lubrication hoses are respectively connected to the four oil grooves.

[0005] Furthermore, the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose are equipped with connectors at both ends.

[0006] Furthermore, the first hinge point, the second hinge point, the third hinge point, and the fourth hinge point are equipped with pins.

[0007] Furthermore, the middle part of the first lubrication hose is fixed to the boom, the middle parts of the second lubrication hose and the fourth lubrication hose are fixed to the boom and the rocker arm, and the middle part of the third lubrication hose is fixed to the boom, the rocker arm and the tie rod.

[0008] Furthermore, the middle portions of the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose are secured by pipe clamps and nuts.

[0009] Furthermore, the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose are tied together along the extension path from the rocker arm to the boom plate, and the second lubrication hose and the third lubrication hose are tied together along the extension path of the rocker arm.

[0010] Furthermore, the oil passage block is bolted to the outer side of one of the boom plates.

[0011] Furthermore, the oil passage block is equipped with four oil cups, and the four oil cups are respectively connected to the four oil grooves.

[0012] Furthermore, two support plates are fixedly connected to the upper side of the boom beam, the two support plates are spaced apart from each other on the left and right, and the two support plates have the first hinge point with the middle of the rocker arm.

[0013] This utility model also provides an engineering machinery, including an engineering machinery body and a centralized lubrication device as described in any of the above technical solutions, wherein the centralized lubrication device is disposed on the engineering machinery body.

[0014] In summary, the application of the technical solution of this utility model has the following beneficial effects: The structural design of this utility model is reasonable. (1) By setting up a boom, rocker arm and tie rod, the boom includes two boom plates that are spaced apart on the left and right. A boom beam that is fixedly connected to the two boom plates is installed between the two boom plates. The boom beam and the middle of the rocker arm have a first hinge point. The front end of the rocker arm and one end of the tie rod have a second hinge point. The other end of the tie rod and the bucket have a third hinge point. The rear end of the rocker arm and the bucket cylinder have a fourth hinge point. Thus, by using the first hinge point, the second hinge point, the third hinge point and the fourth hinge point, the functional requirements of the boom, rocker arm and tie rod of engineering machinery (such as loaders) can be met. (2) By setting the first hinge point, the second hinge point, the third hinge point, and the fourth hinge point to be connected to one end of the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose respectively, and providing an oil passage block on the outer side of one of the boom plates with four oil grooves, the other ends of the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose are respectively connected to the four oil grooves; thus, when lubrication is needed later, lubricating oil can be uniformly added to the oil passage block to lubricate the first hinge point, the second hinge point, the third hinge point, and the fourth hinge point. From this analysis, it can be seen that this utility model provides a way to reduce the difficulty of adding lubrication, simplify the lubrication process, and improve the efficiency of adding lubrication by leading the lubrication of the bucket and tie rod hinge point, the tie rod and rocker arm hinge point, the rocker arm and boom beam hinge point, and the bucket cylinder and rocker arm hinge point to the same location on the outside of the boom at a suitable height. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Explanation of reference numerals in the attached drawings: boom (1), rocker arm (2), tie rod (3), first hinge point (4), second hinge point (5), third hinge point (6), fourth hinge point (7), first lubrication hose (8), second lubrication hose (9), third lubrication hose (10), fourth lubrication hose (11), oil block (12), connector (13), pipe clamp (14), nut (15), bolt (16), oil cup (17); boom plate (101), boom crossbeam (102), support plate (103). Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, but this does not constitute a limitation on the scope of protection of the present utility model.

[0018] In this utility model, for clearer description, the following explanation is provided: The observer faces the attached... Figure 1When observing, the area in front of the observer is designated as right, and the area behind the observer is designated as left. It should be noted that the terms "front end," "rear end," "left side," "right side," "middle," "above," and "below" used in this document indicate orientations or positional relationships based on the accompanying drawings. These are merely for the purpose of clearly describing the present invention and do not indicate or imply that the structure or component referred to must have a specific orientation or be constructed in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used only for the purpose of clarity or simplification of description and should not be construed as indicating or implying relative importance or quantity.

[0019] See Figure 1This embodiment provides a centralized lubrication device, including a boom 1, a rocker arm 2, and a tie rod 3. The boom 1 includes two boom plates 101 spaced apart to the left and right. A boom crossbeam 102 is installed between the two boom plates 101 and fixedly connected to them. The boom crossbeam 102 and the middle of the rocker arm 2 have a first hinge point 4. The front end of the rocker arm 2 and one end of the tie rod 3 have a second hinge point 5. The other end of the tie rod 3 and the bucket (not shown in the figure) have a third hinge point 6. The rear end of the rocker arm 2 and the bucket cylinder (Figure 6) are connected to the bucket cylinder. (Not shown in the image) has a fourth hinge point 7; the first hinge point 4, the second hinge point 5, the third hinge point 6, and the fourth hinge point 7 are respectively connected to one end of the first lubrication hose 8, the second lubrication hose 9, the third lubrication hose 10, and the fourth lubrication hose 11, and one of the boom plates 101 has an oil passage block 12 on its outer side, the oil passage block 12 has four oil grooves, and the other ends of the first lubrication hose 8, the second lubrication hose 9, the third lubrication hose 10, and the fourth lubrication hose 11 are respectively connected to the four oil grooves. Function: (1) By setting up boom, rocker arm and tie rod, the boom includes two boom plates spaced apart on the left and right, and a boom crossbeam fixedly connected to the two boom plates is installed between the two boom plates. The boom crossbeam and the middle of the rocker arm have a first hinge point, the front end of the rocker arm and one end of the tie rod have a second hinge point, the other end of the tie rod and the bucket have a third hinge point, and the rear end of the rocker arm and the bucket cylinder have a fourth hinge point; thus, by using the first hinge point, the second hinge point, the third hinge point and the fourth hinge point, the boom, rocker arm and tie rod functional requirements of engineering machinery (such as loaders) can be met. (2) By setting the first hinge point, the second hinge point, the third hinge point, and the fourth hinge point to be connected to one end of the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose respectively, and providing an oil passage block on the outer side of one of the boom plates with four oil grooves, the other ends of the first lubrication hose, the second lubrication hose, the third lubrication hose, and the fourth lubrication hose are respectively connected to the four oil grooves; thus, when lubrication is needed later, lubricating oil can be uniformly added to the oil passage block to lubricate the first hinge point, the second hinge point, the third hinge point, and the fourth hinge point. From this analysis, it can be seen that this utility model provides a way to reduce the difficulty of adding lubrication, simplify the lubrication process, and improve the efficiency of adding lubrication by leading the lubrication of the bucket and tie rod hinge point, the tie rod and rocker arm hinge point, the rocker arm and boom beam hinge point, and the bucket cylinder and rocker arm hinge point to the same location on the outside of the boom at a suitable height.

[0020] Specifically, the first lubrication hose 8, the second lubrication hose 9, the third lubrication hose 10, and the fourth lubrication hose 11 are equipped with connectors 13 at both ends. Function: The connectors 13 at both ends allow for better connection of the lubrication hoses. One connector at one end of each of the four lubrication hoses can be connected to the hinge point between the bucket and the tie rod, the hinge point between the tie rod and the rocker arm, the hinge point between the rocker arm and the boom beam, and the hinge point between the bucket cylinder and the rocker arm, respectively. The other connector at the other end of each of the four lubrication hoses is connected to the oil passage block.

[0021] Specifically, the first hinge point 4, the second hinge point 5, the third hinge point 6, and the fourth hinge point 7 are equipped with pins. Function: The pins help form a smoother rotating pair. Thus, by directing the lubrication of the pins at the hinge points of the bucket and tie rod, the tie rod and rocker arm, the rocker arm and boom beam, and the bucket cylinder and rocker arm to the same location on the outside of the boom at a suitable height, the difficulty of lubrication is reduced, the lubrication process is simplified, and the lubrication efficiency is improved.

[0022] Specifically, the middle portion of the first lubrication hose 8 is fixed to the boom, the middle portions of the second lubrication hose 9 and the fourth lubrication hose 11 are fixed to the boom 1 and the rocker arm 2, and the middle portion of the third lubrication hose 10 is fixed to the boom 1, the rocker arm 2, and the tie rod 3. Function: By fixing the lubrication hoses at their middle portions, tangled wiring is avoided.

[0023] Specifically, the middle sections of the first lubrication hose 8, the second lubrication hose 9, the third lubrication hose 10, and the fourth lubrication hose 11 are secured by pipe clamps 14 and nuts 15. Function: Pipe clamps 14 and nuts 15 facilitate the securing of the lubrication hoses.

[0024] Specifically, the first lubrication hose 8, the second lubrication hose 9, the third lubrication hose 10, and the fourth lubrication hose 11 are bundled together along the extension path from the rocker arm 2 to the boom plate 101, and the second lubrication hose 9 and the third lubrication hose 10 are bundled together along the extension path of the rocker arm 2. Function: Bundling them together achieves more uniform routing of the lubrication hoses.

[0025] Specifically, the oil drain block 12 is installed on the outer side of one of the boom plates 101 by bolts 16. Function: The oil drain block is installed at a suitable height on the outside of the boom by bolts, which can better achieve the purpose of installation and fixation.

[0026] Specifically, the oil passage block 12 is equipped with four oil cups 17, which are connected to four oil grooves respectively. Function: Lubricating oil can be added to the oil cups on the oil passage block to lubricate the hinge pins at various points inside the device, thereby ensuring the operational stability of loader and other construction machinery.

[0027] Specifically, two support plates 103 are fixedly connected to the upper side of the boom beam 102. The two support plates 103 are spaced apart from each other on the left and right sides, and the two support plates 103 have a first hinge point 4 with the middle of the rocker arm 2. Function: The supporting function of the two support plates 103 makes it easier for the rocker arm 2 to rotate.

[0028] This utility model also provides an engineering machinery, including the engineering machinery body and a centralized lubrication device according to any of the above-mentioned technical solutions, wherein the centralized lubrication device is disposed on the engineering machinery body. Function: The centralized lubrication device of this utility model can be applied to engineering machinery such as loaders.

[0029] In summary, the centralized lubrication device of this utility model has a simple structure and can greatly reduce the difficulty of lubricating oil filling, improve filling efficiency and safety at a low cost, and realize manual centralized lubrication of engineering machinery such as loaders.

[0030] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A centralized lubrication device, comprising a boom (1), a rocker arm (2), and a tie rod (3), characterized in that: The boom (1) includes two boom plates (101) spaced apart on the left and right. A boom crossbeam (102) is installed between the two boom plates (101) and fixedly connected to them. The boom crossbeam (102) has a first hinge point (4) with the middle of the rocker arm (2). The front end of the rocker arm (2) has a second hinge point (5) with one end of the tie rod (3). The other end of the tie rod (3) has a third hinge point (6) with the bucket. The rear end of the rocker arm (2) has a fourth hinge point (7) with the bucket cylinder. The first hinge point (4), the... The second hinge point (5), the third hinge point (6), and the fourth hinge point (7) are respectively connected to one end of the first lubrication hose (8), the second lubrication hose (9), the third lubrication hose (10), and the fourth lubrication hose (11). An oil passage block (12) is provided on the outer side of one of the boom plates (101). The oil passage block (12) has four oil grooves. The other end of the first lubrication hose (8), the second lubrication hose (9), the third lubrication hose (10), and the fourth lubrication hose (11) are respectively connected to the four oil grooves.

2. The centralized lubrication device according to claim 1, characterized in that: The first lubrication hose (8), the second lubrication hose (9), the third lubrication hose (10), and the fourth lubrication hose (11) are equipped with connectors (13) at both ends.

3. The centralized lubrication device according to claim 1, characterized in that: The first hinge point (4), the second hinge point (5), the third hinge point (6), and the fourth hinge point (7) are equipped with pins.

4. The centralized lubrication device according to claim 1, characterized in that: The middle part of the first lubrication hose (8) is fixed on the boom (1), the middle parts of the second lubrication hose (9) and the fourth lubrication hose (11) are fixed on the boom (1) and the rocker arm (2), and the middle part of the third lubrication hose (10) is fixed on the boom (1), the rocker arm (2) and the pull rod (3).

5. A centralized lubrication device according to claim 4, characterized in that: The middle parts of the first lubrication hose (8), the second lubrication hose (9), the third lubrication hose (10), and the fourth lubrication hose (11) are fixed by a pipe clamp (14) and a nut (15).

6. A centralized lubrication device according to claim 4, characterized in that: The first lubrication hose (8), the second lubrication hose (9), the third lubrication hose (10), and the fourth lubrication hose (11) are tied together on the extension path from the rocker arm (2) to the boom plate (101), and the second lubrication hose (9) and the third lubrication hose (10) are tied together on the extension path of the rocker arm (2).

7. The centralized lubrication device according to claim 1, characterized in that: The oil passage block (12) is installed on the outer side of one of the boom plates (101) by bolts (16).

8. The centralized lubrication device according to claim 1, characterized in that: The oil passage block (12) is provided with four oil cups (17), and the four oil cups (17) are respectively connected to the four oil grooves.

9. A centralized lubrication device according to any one of claims 1 to 8, characterized in that: Two support plates (103) are fixedly connected to the upper side of the boom beam (102). The two support plates (103) are spaced apart from each other on the left and right. The two support plates (103) have the first hinge point (4) at the middle of the rocker arm (2).

10. An engineering machinery, comprising an engineering machinery body, characterized in that: It also includes a centralized lubrication device as described in any one of claims 1 to 9, wherein the centralized lubrication device is disposed on the body of the engineering machinery.

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