Lubrication system for solving the problem of running jitter of a telescopic arm

Abstract

The utility model discloses the technical field of fork truck telescopic arm, discloses a lubricating system of solving telescopic arm operation jitter problem. The lubricating system includes: automatic lubricating pump is used for pumping out the lubricating grease to the oil line pipe according to setting time automatically, main distributor is connected with automatic lubricating pump through oil line pipe, to receive the lubricating grease of automatic lubricating pump pumping out, and the lubricating grease is respectively delivered to the front end and rear end of telescopic arm through oil line pipe, and the size of oil outlet of distributor delivery to the front end and rear end of telescopic arm is different, a plurality of friction blocks are respectively arranged in the front end and rear end of telescopic arm, and are connected with the oil outlet of main distributor through oil line pipe, to be used for the lubricating grease in oil line pipe to be sprinkled on the surface of telescopic arm, to form oil film on the surface of telescopic arm and continuously lubricate. The lubricating system solves the problem that the frequency of artificially adding lubricating grease is uncontrollable and the problem that the lubricating grease of different lubricating points cannot be accurately controlled, and avoids the pollution of redundant lubricating grease to the vehicle body.

Description

Technical Field

[0001] This utility model relates to the field of forklift telescopic boom technology, and specifically to a lubrication system for solving the problem of vibration during telescopic boom operation. Background Technology

[0002] Telescopic boom forklifts are multi-functional forklifts with off-road capabilities, enabling loading, unloading, stacking, and short-distance transport of packaged goods (or pallets), and allowing for extended boom operations. During use, telescopic booms of forklifts or reach stackers often experience vibration. Research and analysis indicate that this is mostly caused by lubrication issues. Problems such as unreasonable oil passage design in existing lubrication systems, non-standard component arrangement, and unsuitable lubricant selection lead to poor lubrication and thus vibration problems. Utility Model Content

[0003] The purpose of this utility model embodiment is to provide a lubrication system that solves the problem of vibration during the operation of a telescopic boom. This lubrication system solves the problem of uncontrollable frequency of manual grease application by incorporating an automatic lubrication pump. It delivers grease separately through a distributor and oil lines, addressing the issue of inaccurate control over grease application at different lubrication points, preventing excess grease from contaminating the vehicle body, and saving costs while solving the vibration problem during telescopic boom operation.

[0004] To achieve the above objectives, this utility model provides a lubrication system for solving the problem of vibration during telescopic boom operation, comprising: An automatic lubrication pump is used to automatically pump grease into the oil line according to a set time. The main distributor is connected to the automatic lubrication pump via an oil line to receive the grease pumped out by the automatic lubrication pump, and delivers the grease to the front and rear ends of the telescopic boom via the oil line. The sizes of the oil inlets of the main distributor to the front and rear ends of the telescopic boom are different. Multiple friction blocks are respectively disposed at the front and rear ends of the telescopic arm and connected to the oil outlet of the main distributor through oil pipes, so as to coat the surface of the telescopic arm with grease in the oil pipes to form an oil film on the surface of the telescopic arm for continuous lubrication.

[0005] Optionally, the friction block disposed at the front end of the telescopic arm includes: The first friction block is disposed between the fixed arm lower plate and the telescopic arm base plate of the telescopic arm, and the front end face of the first friction block is flush with the front end face of the fixed arm lower plate. A gap is provided near the side end face of the telescopic arm base plate to facilitate the discharge of friction debris.

[0006] Optionally, the friction block disposed at the front end of the telescopic arm includes: The second friction block is inserted and installed on both sides of the fixed arm side plate to apply grease to the surface of the telescopic arm.

[0007] Optionally, the friction block disposed at the rear end of the telescopic boom includes: The third friction block is located on the rear end face of the telescopic boom to apply lubricating grease to the surface of the telescopic boom.

[0008] Optionally, the friction block disposed at the rear end of the telescopic boom includes: The fourth friction block is located on both sides of the rear end of the telescopic arm to apply lubricating grease to the surface of the telescopic arm.

[0009] Optionally, the first friction block, the third friction block, and the fourth friction block are all configured as rectangular structures, and the top surface is configured as a diamond-shaped groove. The center of the rectangular structure is provided with a first oil injection hole, which is connected to the oil passage pipe and is used to inject the lubricating grease into the diamond-shaped groove.

[0010] Optionally, the rectangular structure has wedge-shaped notches on opposite sides and semi-circular grooves on opposite sides where no wedge-shaped notches are provided, for replacing the rectangular structure.

[0011] Optionally, the second friction block is configured as a circular structure, and a second oil injection hole is provided at the center of the circular structure.

[0012] Optionally, the lubrication system further includes: A proximity five-way distributor is connected to one of the oil lines of the main distributor and is used to deliver the grease to the first friction block and the second friction block.

[0013] Optionally, the lubrication system further includes: A remote seven-way distributor is connected to another oil line of the main distributor and is used to deliver the grease to the third and fourth friction blocks.

[0014] Through the above technical solution, this utility model provides a lubrication system that solves the problem of vibration during the operation of a telescopic boom. An automatic lubrication pump automatically pumps grease into the oil line according to a set time. The main distributor is connected to the automatic lubrication pump via the oil line to receive the grease pumped out. The grease is then delivered to the front and rear ends of the telescopic boom via the oil line. The oil inlets of the main distributor to the front and rear ends of the telescopic boom are of different sizes to control the grease discharge. Multiple friction blocks are respectively installed at the front and rear ends of the telescopic boom and connected to the oil inlets of the main distributor via the oil line to coat the surface of the telescopic boom with the grease, forming an oil film for continuous lubrication. The purpose of this utility model embodiment is to provide a lubrication system that solves the problem of vibration during the operation of a telescopic boom. This lubrication system solves the problem of uncontrollable frequency of manual grease application by incorporating an automatic lubrication pump. The separate delivery of grease through the distributor and oil line solves the problem of inaccurate control of grease application at different lubrication points, avoids excess grease contaminating the vehicle body, and saves costs while solving the problem of vibration during the operation of the telescopic boom.

[0015] Other features and advantages of this utility model embodiment will be described in detail in the following detailed description section. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the lubrication system structure for solving the problem of vibration during telescopic boom operation, according to an embodiment of this utility model. Figure 2 This is a schematic diagram of the telescopic arm and fixed arm and their orientation according to one embodiment of this utility model; Figure 3 This is a schematic diagram of a rectangular structure according to an embodiment of the present invention; Figure 4 This is a schematic diagram of a rectangular structure according to an embodiment of the present invention; Figure 5 This is a schematic diagram of a circular structure according to an embodiment of the present invention.

[0017] Explanation of reference numerals in the attached figures Detailed Implementation

[0018] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of the present invention.

[0019] In this embodiment of the utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used to describe the relative positional relationships of the components in relation to the directions shown in the accompanying drawings or in relation to the vertical, perpendicular, or gravitational directions.

[0020] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0021] like Figure 1 The diagram shown is a schematic representation of a lubrication system structure for solving the problem of vibration during telescopic boom operation, according to an embodiment of this utility model. Figure 2 The diagram shown is a schematic representation of the telescopic arm and fixed arm, and their orientation, according to an embodiment of this utility model. Figure 1 and Figure 2The lubrication system includes an automatic lubrication pump 1, a main distributor 2, and multiple friction blocks 3. Specifically, the automatic lubrication pump 1 automatically pumps grease into the oil line 11 according to a set time. The main distributor 2 is connected to the automatic lubrication pump 1 through the oil line 11 to receive the grease pumped out by the automatic lubrication pump 1 and deliver the grease to the front and rear ends of the telescopic boom 4 through the oil line 11. The oil inlets of the main distributor 2 to the front and rear ends of the telescopic boom 4 are of different sizes. Multiple friction blocks 3 are respectively set at the front and rear ends of the telescopic boom 4 and are connected to the oil inlets of the main distributor 2 through the oil line 11 to coat the grease in the oil line 11 onto the surface of the telescopic boom 4 to form an oil film for continuous lubrication. The automatic lubrication pump 1 operates at 8-hour intervals, with each lubrication session lasting 500 seconds. During these 500-second sessions, approximately 0.35-0.4 ml of grease is pumped out. This amount is consistent with the grease consumed during 8 hours of daily operation, ensuring the entire lubrication system provides an adequate supply of grease to maintain a continuous oil film between the telescopic arm 4 and the friction block 3. Furthermore, precise timing and oil quantity control prevents excess grease waste and vehicle contamination. In addition, because #0 grease has good fluidity but too low viscosity, it cannot form a good coating on the surface of the telescopic arm 4, which is not conducive to the formation of an oil film. #2 grease has high viscosity but poor fluidity, which is not conducive to the removal of friction debris and can easily cause blockage of the lubrication pipeline. #1 grease is more suitable, as it can ensure both fluidity and sufficient viscosity. To avoid the presence of air cavities in the lubrication pipeline, the oil line 11 should be filled with grease in advance before installation. If the entire assembly is completed and then the pump is used to fill the oil, the presence of air cavities in the pipeline will cause poor filling and affect the lubrication efficiency. The main distributor 2 adopts a design with different outlets and different discharge capacities, which can meet the oil supply needs within the lubrication time period without any excess waste.

[0022] In this embodiment, the friction block 3 disposed at the front end of the telescopic arm 4 includes a first friction block 31 and a second friction block 32. Specifically, the first friction block 31 is disposed between the fixed arm lower plate 5 and the telescopic arm base plate 41 of the telescopic arm 4. The telescopic arm 4 is naturally pressed against the upper surface of the first friction block 31 by gravity, and the front end face of the first friction block 31 is flush with the front end face of the fixed arm lower plate 5. A gap is provided near the side end face of the telescopic arm base plate 41, which can be 25mm. Because the first friction block 31 bears the greatest weight, friction debris is most likely to be generated here. This edge arrangement can quickly discharge friction debris with the movement of the telescopic arm 4, and also facilitates the replacement of the friction block 3. The second friction block 32 is inserted and installed on both sides of the fixed arm side plate 6. It adopts an insert installation. When the slider needs to be replaced, it can be pulled out and replaced in the left and right directions. At the same time, the gap with the outer surface of the telescopic arm 4 can be adjusted by adding or removing shims in the left and right directions to ensure that the friction block 3 is always in contact with the outer surface of the telescopic arm 4, so that grease can be applied to the surface of the telescopic arm 4, and the service life of the friction block 3 can be extended.

[0023] In this embodiment, the friction block 3 disposed at the rear end of the telescopic arm 4 includes a third friction block 33 and a fourth friction block 34. Specifically, the third friction block 33 is disposed on the rear end face of the telescopic arm 4 to coat the surface of the telescopic arm 4 with grease. The fourth friction block 34 is disposed on both sides of the rear end of the telescopic arm 4 to coat the surface of the telescopic arm 4 with grease.

[0024] In this embodiment, the first friction block 31, the third friction block 33, and the fourth friction block 34 are all configured as rectangular structures 7, with diamond-shaped grooves on their top surfaces. A first oil injection hole 71 is located at the center of the rectangular structure 7. After the lubricating grease is injected, it flows along the symmetrically arranged diamond-shaped grooves to various parts of the friction block 3 surface. In this embodiment, the oil groove width can be 6mm and the depth can be 5mm. This structure increases the grease-accommodating cavity, increases the grease capacity, and slows down grease consumption. Furthermore, the symmetrically arranged diamond-shaped grooves ensure uniform grease distribution and improve the penetration and spreadability of the grease film. The first oil injection hole 71 is connected to the oil pipe 11 and is used to inject the lubricating grease into the diamond-shaped grooves. Specifically, it can be as follows... Figure 3 As shown.

[0025] In this embodiment, wedge-shaped notches 72 are provided on opposite sides of the rectangular structure 7, and semi-circular grooves 73 are provided on opposite sides where the wedge-shaped notches 72 are not provided. The friction block 3 is designed with wedge-shaped notches 72 and semi-circular grooves 73. When replacing the friction block 3, a screwdriver can be inserted into the wedge-shaped notches 72 to pry up the friction block 3, and then a hook can be used to hook the semi-circular grooves 73 to pull out the friction block 3. Replacing the friction block 3 is convenient and efficient. Specifically, it can be done as follows: Figure 4 As shown.

[0026] In this embodiment, the second friction block 32 is configured as a circular structure 8, with a second oil injection hole 81 at its center. The second friction block 32 serves as the main friction block in the left-right direction, combining left-right limiting and reducing motion friction. Since frequent gap adjustments are required, its circular, small-faceted design facilitates installation and left-right gap adjustment. Specifically, it can be configured as follows... Figure 5 As shown.

[0027] In this embodiment, the lubrication system further includes a proximity five-way distributor 9 and a distance seven-way distributor 10. Specifically, the proximity five-way distributor 9 is connected to one oil line 11 of the main distributor 2 to deliver grease to the first friction block 31 and the second friction block 32. The distance seven-way distributor 10 is connected to another oil line 11 of the main distributor 2 to deliver grease to the third friction block 33 and the fourth friction block 34. The oil outlet of the main distributor 2 connected to the proximity five-way distributor 9 has a displacement of 0.14 ml / r, and the oil outlet connected to the distance seven-way distributor 10 has a displacement of 0.25 ml / r. This configuration can meet the oil supply requirements within the lubrication time period without causing excess waste.

[0028] Through the above technical solution, this utility model provides a lubrication system to solve the problem of vibration during the operation of a telescopic boom. An automatic lubrication pump 1 automatically pumps grease into an oil line 11 according to a set time. The oil line 11 connects a main distributor 2 to the automatic lubrication pump 1 to receive the grease pumped out. The grease is then delivered to the front and rear ends of the telescopic boom 4 via the oil line 11. The oil inlets of the main distributor 2 to the front and rear ends of the telescopic boom 4 are of different sizes to control the grease discharge. Multiple friction blocks 3 are respectively installed at the front and rear ends of the telescopic boom 4 and connected to the oil inlets of the main distributor 2 via the oil line 11 to coat the surface of the telescopic boom 4 with the grease in the oil line 11, forming an oil film for continuous lubrication. The purpose of this utility model embodiment is to provide a lubrication system that solves the problem of vibration during the operation of a telescopic boom 4. This lubrication system solves the problem of uncontrollable frequency of manual grease application by setting up an automatic lubrication pump 1. The grease is delivered separately through the distributor and oil line 11, which solves the problem of inaccurate control of grease application at different lubrication points, avoids excess grease from contaminating the vehicle body, solves the problem of vibration during operation of the telescopic boom 4, and saves costs.

[0029] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings; however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention. This includes combining various specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not describe the various possible combinations separately. However, these simple modifications and combinations should also be considered as the content disclosed in the present invention and are all within the protection scope of the present invention.

Claims

1. A lubrication system for solving the problem of vibration during the operation of a telescopic boom, characterized in that, The lubrication system includes: An automatic lubrication pump is used to automatically pump grease into the oil line according to a set time. The main distributor is connected to the automatic lubrication pump via an oil line to receive the grease pumped out by the automatic lubrication pump, and delivers the grease to the front and rear ends of the telescopic boom via the oil line. The sizes of the oil inlets of the main distributor to the front and rear ends of the telescopic boom are different. Multiple friction blocks are respectively disposed at the front and rear ends of the telescopic arm and connected to the oil outlet of the main distributor through oil pipes, so as to coat the surface of the telescopic arm with grease in the oil pipes to form an oil film on the surface of the telescopic arm for continuous lubrication.

2. The lubrication system according to claim 1, characterized in that, The friction block located at the front end of the telescopic arm includes: The first friction block is disposed between the fixed arm lower plate and the telescopic arm base plate of the telescopic arm, and the front end face of the first friction block is flush with the front end face of the fixed arm lower plate. A gap is provided near the side end face of the telescopic arm base plate to facilitate the discharge of friction debris.

3. The lubrication system according to claim 2, characterized in that, The friction block located at the front end of the telescopic arm includes: The second friction block is inserted and installed on both sides of the fixed arm side plate to apply grease to the surface of the telescopic arm.

4. The lubrication system according to claim 3, characterized in that, The friction block located at the rear end of the telescopic boom includes: The third friction block is located on the rear end face of the telescopic boom to apply lubricating grease to the surface of the telescopic boom.

5. The lubrication system according to claim 4, characterized in that, The friction block located at the rear end of the telescopic boom includes: The fourth friction block is located on both sides of the rear end of the telescopic arm to apply lubricating grease to the surface of the telescopic arm.

6. The lubrication system according to claim 5, characterized in that, The first friction block, the third friction block, and the fourth friction block are all configured as rectangular structures with diamond-shaped grooves on their top surfaces. A first oil injection hole is provided at the center of the rectangular structure. The first oil injection hole is connected to the oil passage pipe and is used to inject the lubricating grease into the diamond-shaped groove.

7. The lubrication system according to claim 6, characterized in that, The rectangular structure has wedge-shaped notches on its opposite sides, and semi-circular grooves on its opposite sides where no wedge-shaped notches are provided, for replacing the rectangular structure.

8. The lubrication system according to claim 3, characterized in that, The second friction block is configured as a circular structure, and a second oil injection hole is provided at the center of the circular structure.

9. The lubrication system according to claim 3, characterized in that, The lubrication system also includes: A proximity five-way distributor is connected to one of the oil lines of the main distributor and is used to deliver the grease to the first friction block and the second friction block.

10. The lubrication system according to claim 5, characterized in that, The lubrication system also includes: A remote seven-way distributor is connected to another oil line of the main distributor and is used to deliver the grease to the third and fourth friction blocks.

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