Automatic oiling device for stacker-reclaimer chain

Abstract

The application discloses a kind of automatic oiling devices of stacker-reclaimer chain, belong to chain oiling technical field, including tensioning oil cylinder, one end of tensioning oil cylinder is connected electric oil pump, the other end of tensioning oil cylinder is connected valve block group, the surface of valve block group is fixedly connected with high-pressure ball valve, the present application is driven tensioning oil cylinder telescoping by electric oil pump, to drive tensioning oil cylinder extrusion lubricating oil into valve block group, lubrication is carried out to chain by high-pressure ball valve spouts, without manual oiling, the problem of low efficiency of the existing stacker-reclaimer chain oiling lubrication mode is solved, and the efficiency of chain oiling is improved.

Description

Technical Field

[0001] This invention belongs to the field of chain lubrication technology, specifically relating to an automatic lubrication device for stacker-reclaimer chains. Background Technology

[0002] A bucket wheel stacker-reclaimer is a high-efficiency loading and unloading machine used in large dry bulk cargo yards, capable of both stacking and reclaiming materials. It consists of a belt conveyor arm that can tilt and swing horizontally, along with bucket wheels at its front end, a frame, and a running mechanism. The belt can run in both directions. During reclaiming, materials are picked up by the bucket wheel and delivered through the conveyor arm. During stacking, goods transported by the main conveyor are thrown into the yard through the conveyor arm.

[0003] The chain of a stacker-reclaimer needs to be lubricated during use. Generally, lubrication is done manually, but manual lubrication is inefficient and not conducive to production. Therefore, it is necessary to improve the lubrication method of the stacker-reclaimer chain. Summary of the Invention

[0004] The purpose of this invention is to overcome the problem of low efficiency in existing stacker-reclaimer chain lubrication methods and to provide an automatic lubrication device for stacker-reclaimer chains.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic lubrication device for a stacker-reclaimer chain includes a tensioning cylinder, one end of which is connected to an electric oil pump, and the other end of which is connected to a valve block assembly. A high-pressure ball valve is fixedly connected to the surface of the valve block assembly.

[0007] Furthermore, a pressure transmitter with a digital display is fixedly installed at the end of the valve block assembly, and the pressure transmitter with a digital display is connected to the electrical control box.

[0008] Furthermore, a mesh-shielded cable connects the digital display pressure transmitter to the electrical control box.

[0009] Furthermore, a safety relief valve is fixedly installed on one side of the valve block assembly and on one side of the electric oil pump.

[0010] Furthermore, pressure gauges are fixedly installed on the other side of the valve block assembly and the other side of the electric oil pump.

[0011] Furthermore, a first hose is installed between the tensioning cylinder and the electric oil pump.

[0012] Furthermore, a second hose is installed between the tensioning cylinder and the valve block assembly.

[0013] Furthermore, the tensioning cylinder contains lubricating oil.

[0014] An automatic lubrication method for stacker-reclaimer chains, utilizing an automatic lubrication device for stacker-reclaimer chains, includes the following steps: an electric oil pump drives the extension and retraction of a tensioning cylinder, the extension and retraction of the tensioning cylinder compresses lubricating oil into a valve block assembly, and the lubricating oil is sprayed out through a high-pressure ball valve connected to the surface of the valve block assembly to lubricate the chain.

[0015] Furthermore, a digital pressure transmitter fixed at the end of the valve block assembly monitors the oil pressure inside the tensioning cylinder in real time. When the oil pressure is lower than the preset value, the chain is started; when the oil pressure is higher than the preset value, the chain is stopped; when the pressure is higher than the preset value, lubricating oil flows out from the safety relief valve.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects:

[0017] This invention uses an electric oil pump to drive the tensioning cylinder to extend and retract, thereby causing the tensioning cylinder to squeeze lubricating oil into the valve block assembly. The oil is then sprayed out through a high-pressure ball valve to lubricate the chain, eliminating the need for manual lubrication. This solves the problem of low efficiency in existing chain lubrication methods for stacker-reclaimers and improves the efficiency of chain lubrication.

[0018] This invention uses a digital pressure transmitter to monitor the oil pressure inside the cylinder in real time. The program is set with logic that the chain starts when the pressure is lower than the set value and stops when the pressure is higher than the set value. The high-pressure ball valve design allows for manual oiling, and the safety relief valve allows oil to flow out when the pressure is higher than the set value, thus improving the efficiency of chain oiling. Attached Figure Description

[0019] The accompanying drawings are provided to further understand the invention and constitute a part of this invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the electrical control box structure of the present invention.

[0022] In the diagram: 1. Tensioning cylinder; 2-1. First hose; 2-2. Second hose; 3. Electric oil pump; 4. Pressure gauge; 5. Pressure transmitter with digital display; 6. Shielded mesh cable; 7. High-pressure ball valve; 8. Valve block assembly; 9. Safety relief valve; 10. Electrical control box. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0025] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0026] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0027] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0028] Example 1

[0029] An automatic lubrication device for a stacker-reclaimer chain includes a tensioning cylinder 1, one end of which is connected to an electric oil pump 3, and the other end of which is connected to a valve block assembly 8. A high-pressure ball valve 7 is fixedly connected to the surface of the valve block assembly 8.

[0030] A digital pressure transmitter 5 is fixedly installed at the end of the valve block assembly 8, and the digital pressure transmitter 5 is connected to the electrical control box 10.

[0031] A mesh shielded cable 6 connects the digital pressure transmitter 5 to the electrical control box 10.

[0032] Safety relief valves 9 are fixedly installed on one side of valve block assembly 8 and one side of electric oil pump 3.

[0033] Pressure gauges 4 are fixedly installed on the other side of valve block assembly 8 and the other side of electric oil pump 3.

[0034] The first hose 2-1 is installed between the tensioning cylinder 1 and the electric oil pump 3.

[0035] A second hose 2-2 is installed between the tensioning cylinder 1 and the valve block assembly 8.

[0036] The tensioning cylinder 1 contains lubricating oil.

[0037] An automatic lubrication method for stacker-reclaimer chains, utilizing an automatic lubrication device for stacker-reclaimer chains, includes the following steps: an electric oil pump 3 drives the extension and retraction of a tension cylinder 1, the extension and retraction of the tension cylinder 1 compresses lubricating oil into a valve block assembly 8, and the lubricating oil is sprayed out through a high-pressure ball valve 7 connected to the surface of the valve block assembly 8 to lubricate the chain.

[0038] The pressure transmitter 5 with digital display fixed at the end of the valve block assembly 8 monitors the oil pressure inside the tension cylinder 1 in real time. When the oil pressure is lower than the preset value, the chain is started. When the oil pressure is higher than the preset value, the chain is stopped. When the pressure is higher than the preset value, lubricating oil flows out from the safety relief valve 9.

[0039] Example 2

[0040] See Figure 1-2 This embodiment provides a technical solution:

[0041] An automatic lubrication device for a stacker-reclaimer chain includes a tension cylinder 1. The inlet of the tension cylinder 1 is connected to an electric oil pump 3 via a first rubber hose 2-1, and the outlet of the tension cylinder 1 is connected to a valve block assembly 8 via a rubber hose 2-2. A high-pressure ball valve 7 is fixedly connected to the surface of the valve block assembly 8. The electric oil pump 3 drives the tension cylinder 1 to extend and retract, thereby causing the tension cylinder 1 to squeeze lubricating oil through the rubber hose 2-2 into the valve block assembly 8, and then spraying it out through the high-pressure ball valve 7 to lubricate the chain. The high-pressure ball valve 7 is designed to allow for manual lubrication.

[0042] As an example of the present invention, a digital pressure transmitter 5 is fixedly provided on the upper end of the valve block assembly 8, and the digital pressure transmitter 5 is connected to the electrical control box 10 through a mesh shielded cable 6. The digital pressure transmitter 5 arranged on site is an analog quantity, which detects the oil pressure in the cylinder in real time. The program is set with logic that when the pressure is lower than the set value, the chain starts and when the pressure is higher than the set value, the chain stops.

[0043] As an example of the present invention, a safety relief valve 9 is fixedly provided on both one side of the valve block assembly 8 and the other side of the electric oil pump 3. When the pressure of the safety relief valve 9 is greater than the set value, oil flows out from the relief valve.

[0044] As an example of the present invention, pressure gauges 4 are fixedly provided on the other side of the valve block assembly 8 and the other side of the electric oil pump 3.

[0045] Working principle: During use, the electric oil pump 3 drives the tension cylinder 1 to extend and retract, thereby causing the tension cylinder 1 to squeeze lubricating oil through the hose 2 into the valve block assembly 8, which is then sprayed out through the high-pressure ball valve 7 to lubricate the chain. The digital pressure transmitter 5 installed on site is an analog quantity that monitors the oil pressure in the tension cylinder 1 in real time. The program is set with logic that when the pressure is lower than the set value, the chain starts, and when the pressure is higher than the set value, the chain stops. The high-pressure ball valve 7 is designed to allow for manual oiling. When the pressure is higher than the set value, oil flows out from the safety relief valve 9.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit its scope of protection. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that after reading the present invention, they can still make various changes, modifications or equivalent substitutions to the specific implementation of the invention, but these changes, modifications or equivalent substitutions are all within the scope of protection of the pending claims of the invention.

Claims

1. An automatic oiling device for a stacker-reclaimer chain, characterized in that, The system includes a tensioning cylinder (1) containing lubricating oil. One end of the tensioning cylinder (1) is connected to an electric oil pump (3) via a first hose (2-1), and the other end of the tensioning cylinder (1) is connected to a valve block assembly (8) via a second hose (2-2). A high-pressure ball valve (7) is fixedly connected to the surface of the valve block assembly (8). The high-pressure ball valve (7) is used for automatic oil injection lubrication or manual oil filling. A digital pressure transmitter (5) is fixedly installed at the end of the valve block assembly (8), and the digital pressure transmitter (5) is connected to the electrical control box (10) through a mesh shielded cable (6). Safety relief valves (9) are fixedly installed on one side of the valve block assembly (8) and one side of the electric oil pump (3); pressure gauges (4) are fixedly installed on the other side of the valve block assembly (8) and the other side of the electric oil pump (3). The electric oil pump (3) drives the tension cylinder (1) to extend and retract. The extension and retraction of the tension cylinder (1) squeezes the lubricating oil into the valve block assembly (8). The lubricating oil is sprayed out through the high-pressure ball valve (7) connected to the surface of the valve block assembly (8) to lubricate the chain. When the oil pressure in the tension cylinder (1) is greater than the preset value, the lubricating oil flows out from the safety relief valve (9). The digital pressure transmitter (5) detects the oil pressure inside the tension cylinder (1) in real time. When the oil pressure is lower than the preset value, the chain is started. When the oil pressure is higher than the preset value, the chain is stopped.

2. A method for automatically lubricating a stacker-reclaimer chain, utilizing the automatic chain lubrication device for a stacker-reclaimer as described in claim 1, characterized in that... The process includes the following steps: the electric oil pump (3) drives the tension cylinder (1) to extend and retract, and the extension and retraction of the tension cylinder (1) squeezes the lubricating oil into the valve block assembly (8). The lubricating oil is sprayed out through the high-pressure ball valve (7) connected to the surface of the valve block assembly (8) to lubricate the chain; or manual lubrication is performed through the high-pressure ball valve (7). The pressure transmitter (5) with digital display fixed at the end of the valve block assembly (8) detects the oil pressure inside the tension cylinder (1) in real time. When the oil pressure is lower than the preset value, the chain is started. When the oil pressure is higher than the preset value, the chain is stopped. When the pressure is higher than the preset value, the lubricating oil flows out from the safety relief valve (9).

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