Adaptive flow regulation mechanism for plunger pumps

Abstract

This utility model discloses an adaptive flow regulation mechanism for a plunger pump, relating to the field of plunger pump technology. This adaptive flow regulation mechanism, through real-time monitoring by a pressure sensor and intelligent analysis by a microcontroller, allows the pressure sensor to detect sudden changes in the hydraulic system load immediately. The microcontroller reacts quickly, directing the electric telescopic rod to drive the rotating plate and baffle to adjust the oil intake. The entire process is completed in an instant, avoiding equipment jamming or impact caused by the slow response of traditional regulation methods, making operation smoother, and reducing the possibility of equipment damage due to sudden pressure changes. It achieves automatic and intelligent adjustment of flow output without manual intervention, greatly improving the automation level of the system.

Description

Technical Field

[0001] This utility model relates to the field of plunger pump technology, specifically to a plunger pump flow adaptive adjustment mechanism. Background Technology

[0002] In industrial hydraulic systems and hydraulic transmission systems for construction machinery, piston pumps serve as core power components, and the stability of their output flow directly affects system performance. Existing piston pump flow regulation largely relies on manual operation or mechanical feedback mechanisms, which suffer from problems such as response lag and low regulation accuracy. When the system load changes suddenly, the outlet pressure fluctuates drastically. If the flow rate cannot adapt in time, it may lead to equipment overload damage, decreased operating efficiency, or even safety accidents. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a plunger pump flow adaptive adjustment mechanism to solve the problems mentioned in the background section.

[0004] Existing plunger pumps rely heavily on manual operation or mechanical feedback mechanisms for flow regulation, which suffers from problems such as response lag and low regulation accuracy. When the system load changes suddenly, the outlet pressure will fluctuate drastically. If the flow rate cannot adapt in time, it may lead to equipment overload damage, reduced operating efficiency, or even safety accidents.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A plunger pump flow adaptive adjustment mechanism includes a plunger pump body. An oil inlet is fixedly connected to one side of the plunger pump body, and an oil outlet is fixedly connected to one side of the plunger pump body away from the oil inlet. A first mounting plate is fixedly connected to one end of the oil inlet. A fixing ring is fixedly connected to one side of the first mounting plate. A rotating plate is rotatably connected inside the fixing ring. A first sliding groove is formed on one side of the rotating plate. A baffle is slidably connected inside the first sliding groove. A second mounting plate is fixedly connected to one side of the fixing ring. A connecting port penetrating the surface is formed on one side of the second mounting plate, the rotating plate, and the first mounting plate. A pressure sensor is provided inside the oil outlet. A microcontroller is installed on one side of the plunger pump body.

[0007] Preferably, a second groove penetrating the surface of the second mounting plate is provided on one side, and a connecting block is slidably connected inside the second groove.

[0008] Preferably, one side of the connecting block is fixedly connected to the baffle.

[0009] Preferably, a connecting plate is fixedly connected to one side of the rotating plate.

[0010] Preferably, an electric telescopic rod is rotatably connected to one side of the fixed ring, and the output end of the electric telescopic rod is rotatably connected to the connecting plate.

[0011] Preferably, a third sliding groove is provided on one side of the fixing ring, and the outer side of the connecting plate is slidably connected to the third sliding groove.

[0012] Preferably, a connecting pipe is fixedly connected to one side of the second mounting plate.

[0013] This invention provides a plunger pump flow adaptive adjustment mechanism. Compared with the prior art, it has the following advantages:

[0014] This plunger pump flow adaptive adjustment mechanism, through real-time monitoring by a pressure sensor and intelligent analysis by a microcontroller, can complete pressure signal processing within milliseconds. Combined with the mechanical action of the electric telescopic rod, it achieves dynamic stepless adjustment of the flow rate, solving the problem of lag in traditional mechanical adjustment. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a side view of the present invention;

[0017] Figure 3 This is a schematic diagram of the first mounting plate structure of this utility model;

[0018] Figure 4 This is an exploded view of the present invention.

[0019] In the diagram: 1. Plunger pump body; 2. Microcontroller; 3. Oil inlet; 4. Oil outlet; 5. Pressure sensor; 6. Connecting pipe; 7. First mounting plate; 8. Rotating plate; 9. First slide groove; 10. Connecting plate; 11. Electric telescopic rod; 12. Fixing ring; 13. Baffle; 14. Second mounting plate; 15. Second slide groove; 16. Third slide groove; 17. Connecting block; 18. Connecting port. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 4This utility model provides a technical solution: a plunger pump flow adaptive adjustment mechanism, including a plunger pump body 1. An oil inlet 3 is fixedly connected to one side of the plunger pump body 1 to facilitate oil entry into the plunger pump body 1. An oil outlet 4 is fixedly connected to one end of the plunger pump body 1 away from the oil inlet 3 to better allow oil to leave the plunger pump body 1. A first mounting plate 7 is fixedly connected to one end of the oil inlet 3. A fixing ring 12 is fixedly connected to one side of the first mounting plate 7. A rotating plate 8 is rotatably connected inside the fixing ring 12. The rotating plate 8 rotates along the interior of the fixing ring 12. A first sliding groove 9 is provided on one side of the rotating plate 8. The rotation of the rotating plate 8 causes the first sliding groove 9 to rotate. The interior of the first sliding groove 9 slides... A baffle 13 is connected to the first slide groove 9. The first slide groove 9 rotates, causing the baffle 13 to move within the first slide groove 9. A second mounting plate 14 is fixedly connected to one side of the fixed ring 12. The second mounting plate 14, the rotating plate 8, and the first mounting plate 7 all have a connecting port 18 that penetrates their surfaces, allowing oil to enter the oil inlet 3 through the connecting port 18. A pressure sensor 5 is installed inside the oil outlet 4 to monitor the pressure of the oil outlet 4 in real time. A microcontroller 2 is installed on one side of the plunger pump body 1. When the system workload changes and the pressure of the oil outlet 4 changes, the second slide groove 15 transmits the pressure signal to the microcontroller 2. The microcontroller 2 analyzes and processes the pressure signal and compares it with the preset pressure value.

[0022] Furthermore, a second groove 15 penetrating its surface is provided on one side of the second mounting plate 14, and a connecting block 17 is slidably connected inside the second groove 15, and the connecting block 17 moves along the inside of the second groove 15.

[0023] Furthermore, one side of the connecting block 17 is fixedly connected to the baffle 13, and the movement of the baffle 13 causes the connecting block 17 to move as well.

[0024] Furthermore, a connecting plate 10 is fixedly connected to one side of the rotating plate 8, and the moving connecting plate 10 causes the rotating plate 8 to rotate.

[0025] Furthermore, an electric telescopic rod 11 is rotatably connected to one side of the fixed ring 12. The output end of the electric telescopic rod 11 is rotatably connected to the connecting plate 10. If the pressure value is higher than the preset upper limit, the microcontroller 2 sends a control command to the electric telescopic rod 11. The electric telescopic rod 11 rotates the rotating plate 8. The rotating plate 8 moves with the first slide groove 9 and the baffle 13. The baffle 13 moves with the connecting block 17 in the second slide groove 15. Multiple sets of baffles 13 move, partially blocking the connection port 18, reducing the amount of oil entering the oil inlet 3, thereby reducing the output flow of the plunger pump and lowering the pressure at the oil outlet 4. If the pressure value is lower than the preset lower limit, under the action of the electric telescopic rod 11, multiple sets of baffles 13 move away from one side of the connection port 18, increasing the area of ​​the connection port 18, increasing the amount of oil entering the oil inlet 3, increasing the output flow of the plunger pump, and causing the pressure at the oil outlet 4 to rise again.

[0026] Furthermore, a third sliding groove 16 is provided on one side of the fixing ring 12, and the outer side of the connecting plate 10 is slidably connected to the third sliding groove 16, and the connecting plate 10 moves along the inside of the third sliding groove 16.

[0027] Furthermore, a connecting pipe 6 is fixedly connected to one side of the second mounting plate 14, through which oil is introduced.

[0028] During operation, the pressure sensor 5 built into the oil outlet 4 collects the system pressure signal in real time and transmits the data synchronously to the microcontroller 2 on one side of the plunger pump body 1. The microcontroller 2 presets the normal operating pressure range of the system as the reference value for flow regulation. When the system load changes and causes the pressure at the oil outlet 4 to deviate from the preset range, the microcontroller 2 analyzes and compares the pressure signal. If the pressure is higher than the preset upper limit, it is determined that the load is too large and the output flow needs to be reduced; if the pressure is lower than the preset lower limit, it is determined that the load is too small and the output flow needs to be increased. Subsequently, the microcontroller 2 sends an action command to the electric telescopic rod 11. When it is necessary to reduce the flow, the electric telescopic rod 11 retracts, driving the rotating plate 8 to rotate along the fixed ring 12 through the connecting plate 10. The first sliding groove 9 of the rotating plate 8 rotates synchronously, pushing the baffle. The baffle 13 slides along the second groove 15 of the second mounting plate 14. Multiple baffles 13 cooperate to block the connection port 18, reducing the amount of oil entering the oil inlet 3, thereby reducing the output flow of the plunger pump and causing the pressure to drop back to the normal range. When the flow needs to be increased, the electric telescopic rod 11 extends, driving the rotating plate 8 to rotate in the opposite direction. The baffle 13 moves outward under the constraint of the first groove 9 and the second groove 15, releasing the blockage of the connection port 18, increasing the oil intake, increasing the output flow, and raising the pressure back to the preset range. The fixed ring 12, the first mounting plate 7 and the second mounting plate 14 form a continuous oil circuit through the connection port 18. The sliding cooperation between the rotating plate 8 and the baffle 13 ensures the stability of the adjustment process. The guiding effect of the connecting block 17 and the second groove 15 prevents the baffle 13 from shifting, ensuring the accuracy of the flow adjustment.

[0029] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flow self-adapting regulation mechanism for a plunger pump, comprising a plunger pump body (1), characterized in that: An oil inlet (3) is fixedly connected to one side of the plunger pump body (1). An oil outlet (4) is fixedly connected to one side of the plunger pump body (1) away from the oil inlet (3). A first mounting plate (7) is fixedly connected to one end of the oil inlet (3). A fixing ring (12) is fixedly connected to one side of the first mounting plate (7). A rotating plate (8) is rotatably connected inside the fixing ring (12). A first sliding groove (9) is opened on one side of the rotating plate (8). A baffle (13) is slidably connected inside the first sliding groove (9). A second mounting plate (14) is fixedly connected to one side of the fixing ring (12). A connecting port (18) penetrating through its surface is opened on one side of the second mounting plate (14), the rotating plate (8), and the first mounting plate (7). A pressure sensor (5) is provided inside the oil outlet (4). A micro controller (2) is installed on one side of the plunger pump body (1).

2. The plunger pump flow self-adaptive regulation mechanism of claim 1, wherein: The second mounting plate (14) has a second groove (15) extending through its surface on one side, and a connecting block (17) is slidably connected inside the second groove (15).

3. The plunger pump flow self-adaptive regulation mechanism of claim 2, wherein: One side of the connecting block (17) is fixedly connected to the baffle (13).

4. The plunger pump flow self-adaptive regulation mechanism of claim 1, wherein: A connecting plate (10) is fixedly connected to one side of the rotating plate (8).

5. The plunger pump flow self-adapting regulation mechanism according to claim 4, characterized in that: An electric telescopic rod (11) is rotatably connected to one side of the fixed ring (12), and the output end of the electric telescopic rod (11) is rotatably connected to the connecting plate (10).

6. The plunger pump flow self-adaptive regulation mechanism of claim 5, wherein: A third groove (16) is provided on one side of the fixing ring (12), and the outer side of the connecting plate (10) is slidably connected to the third groove (16).

7. The plunger pump flow self-adaptive regulation mechanism of claim 1, wherein: A connecting pipe (6) is fixedly connected to one side of the second mounting plate (14).

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