Self-adaptive pressing method and pressing system for pea gravel pump pressing disc

Abstract

The invention discloses a self-adaptive pressing method and system for a pea gravel pump pressure plate, and the method comprises the steps: pressing the pea gravel pump pressure plate to a rotor through a hydraulic cylinder group, dividing the hydraulic cylinder group into a high-pressure region oil cylinder group opposite to a high-pressure region of the rotor, and a low-pressure region oil cylinder group opposite to a low-pressure region of the rotor, the oil pressure of the high-pressure area oil cylinder set and the oil pressure of the low-pressure area oil cylinder set are controlled respectively to conduct self-adaptive pressing, that is, according to the pressure characteristics or pressure changes of the high-pressure area and the low-pressure area, the corresponding high-pressure area oil cylinder set and the corresponding low-pressure area oil cylinder set are controlled to conduct pressure compensation, and therefore reliable sealing of the pea gravel pump is achieved. The automatic pressing function of the pea gravel pump in the using process can be achieved, and the pressing force of the pressing oil cylinder does not need to be manually adjusted all the time.

Description

Technical Field

[0001] The invention relates to the technical field of pea gravel pump seals, and in particular to an adaptive pressing method and a pressing system for a pea gravel pump pressure plate. Background Art

[0002] Pea gravel injection technology is mainly used in mining, underground tunnel support frames and structural reinforcement projects. At present, in the construction of hard rock tunnels at home and abroad, bean gravel is often injected behind the wall to fill the early support of the pipe segment. The bean gravel pump adopts the structure of a pistol wheel pressure plate for material supply and pneumatic conveying. Among them, good sealing between the pressure plate and the rotor is a necessary guarantee for the normal operation of the bean gravel pump. The key difficulty lies in how to improve the adaptability of the pressure plate's clamping mechanism to the working conditions. At present, the clamping mechanism of the bean gravel pump on the market often adopts manual operation to clamp, and the size of the clamping force depends on the operator's work experience. During the use of the equipment, the seal between the pressure plate and the rotor often fails due to changes in working conditions. As a result, the operator needs to pay attention to the sealing of the pressure plate at all times and adjust the clamping force of the clamping mechanism, which ultimately increases the difficulty of the operator's operation and seriously affects the construction efficiency.

[0003] In recent years, improving the intelligence of bean gravel pumps and the ease of use of products has gradually become a research focus. For example, the invention patent with application number CN202321486908.9 discloses a rotary friction pair lubrication energy-saving system and a bean gravel pump, which solves the problems of waste of related friction pair lubricating oil and serious rotation friction of bean gravel pumps in the prior art; for example, the invention patent with application number CN202310350684.7 discloses a bean gravel injection device, which forms a multi-stage screening and dust removal structure through a hopper and a screw conveyor. The dust-removed bean gravel is injected through a venturi tube connected to a compressed gas system, which not only produces less smoke and dust during the injection process, but also solves the technical problems of easy sealing failure of the rotor of the existing bean gravel delivery pump, short service life of the bonding plate, and large construction dust; for example, the invention patent with application number CN202223258395.4 discloses a bean gravel delivery pump wireless remote control system and a bean gravel delivery pump, which solves the technical problems of insufficient control convenience and safety of the existing bean gravel delivery pump. However, there is currently no good solution for the key mechanism of the pea gravel pump, the compression device. Therefore, it is necessary to design a pressure-adaptive pea gravel pump compression system.

[0004] It should be particularly noted that the above technical information is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as admitting or implying in any form that the above technical information constitutes the prior art already known to those skilled in the art. Summary of the invention

[0005] In view of the deficiencies in the above-mentioned background technology, the present invention proposes an adaptive clamping method and a clamping system for a pea gravel pump pressure plate, which solves the technical problem that the pistol wheel pressure plate in the pea gravel pump cannot achieve adaptive clamping and sealing.

[0006] The technical solution of this application is: A method for adaptively clamping a pressure plate of a bean gravel pump, which uses a hydraulic cylinder group to press the pressure plate of the bean gravel pump toward a rotor, and the hydraulic cylinder group is divided into a high-pressure area cylinder group opposite to the high-pressure area of ​​the rotor and a low-pressure area cylinder group opposite to the low-pressure area of ​​the rotor, and the oil pressures of the high-pressure area cylinder group and the low-pressure area cylinder group are controlled respectively to perform adaptive clamping, that is, according to the pressure characteristics or pressure changes of the high-pressure area and the low-pressure area, the corresponding high-pressure area cylinder group and the low-pressure area cylinder group are controlled to perform pressure compensation, so as to achieve reliable sealing of the bean gravel pump.

[0007] On the basis of the above technical solution, as a preferred method, the high-pressure area cylinder group is pressure-controlled by an oil pressure sensor, a proportional relief valve, and a reversing valve, and the low-pressure area cylinder group is pressure-controlled by a proportional pressure reducing valve and a reversing valve. A control unit is used to dynamically regulate the proportional relief valve, the proportional pressure reducing valve, and the corresponding reversing valve.

[0008] On the basis of the above technical solution, as a preferred method, the control unit dynamically adjusts the pressure of the high-pressure air circuit through the wind pressure sensor provided on the high-pressure air circuit of the proportional pneumatic ball valve and the bean gravel pump, and the wind pressure sensor and / or the proportional pneumatic ball valve are interlocked with the proportional relief valve, the proportional pressure reducing valve and the reversing valve.

[0009] On the basis of the above technical solution, as a preferred method, the pressure of the pipeline is collected by the wind pressure sensor, the air push force generated by the wind pressure is calculated by the control unit, and the clamping force of the high-pressure area cylinder group to balance the air push force is converted, the pressure of the proportional overflow valve and the proportional pressure reducing valve is controlled by the control unit, and the dynamic value of the target oil pressure is monitored by the oil pressure sensor to control the reversing valve to continuously replenish oil.

[0010] On the basis of the above technical solution, as a preferred method, the pressure of the hydraulic cylinder group is maintained by an accumulator and / or a hydraulic lock.

[0011] On the basis of the above technical solution, as a preferred method, the pressure of the pipeline is collected by a wind pressure sensor, the air push force generated by the wind pressure is calculated by the control unit, and the clamping force of the high-pressure area cylinder group to balance the air push force is converted, the pressure of the proportional overflow valve and the proportional pressure reducing valve is controlled by the control unit, and the dynamic value of the oil pressure monitored by the oil pressure sensor is used to control the reversing valve to switch the oil circuit for oil replenishment or cutoff.

[0012] A bean gravel pump pressure plate adaptive clamping system, adopts the bean gravel pump pressure plate adaptive clamping method described in any of the above technical solutions, the high-pressure area cylinder group includes clamping cylinder one and clamping cylinder one, the clamping cylinder one and clamping cylinder one are symmetrically arranged about the high-pressure chamber of the rotor, the low-pressure area cylinder group includes clamping cylinder three and clamping cylinder four, the clamping cylinder three and clamping cylinder four are symmetrically arranged about the low-pressure chamber of the rotor.

[0013] On the basis of the above technical solution, as a preferred technical solution, the pressure plate is located between the feed hopper and the rotor, the piston rod of the hydraulic cylinder group is connected to the pressure plate, and the piston cylinder is fixed in a direction away from the feed hopper.

[0014] On the basis of the above technical solution, as a preferred technical solution, the reversing valve connected to the high-pressure zone cylinder group and the reversing valve connected to the low-pressure zone cylinder group are the same electromagnetic reversing valve.

[0015] On the basis of the above technical solution, as a preferred technical solution, the control unit is a programmable logic controller, that is, a PLC is used for oil pressure control.

[0016] Compared with the existing technology, this method can realize the automatic clamping function of the bean gravel pump during use, and there is no need to manually adjust the clamping force of the clamping cylinder to ensure a good sealing effect. Therefore, this solution reduces the difficulty of operation and improves the work efficiency of operators on the basis of ensuring that the bean gravel pump sprays bean gravel. Figure 5 As shown in Figure 1, if the system is not interlocked with the wind pressure sensor, graded pressure control can also be achieved, but the compression force cannot continuously match the air lift force. Figure 7 As shown, the accumulator of the hydraulic system can be cancelled. At this time, the electromagnetic reversing valve is continuously energized, and the oil pressure sensor only monitors the target value. The corresponding effect can also be achieved, but the energy consumption will continue to increase. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0018] Figure 1 A schematic diagram of a hydraulic system according to an embodiment of the present invention; Figure 2 This is a simplified diagram of a pea gravel pump; Figure 3 It is the schematic diagram of the position of the hydraulic cylinder group; Figure 4 A logic control diagram of an embodiment of the present invention; Figure 5 A logic control diagram of another embodiment of the present invention; Figure 6 A schematic diagram of a hydraulic system according to another embodiment of the present invention; Figure 7 This is a logic control diagram of another embodiment of the present invention.

[0019] Description of Figure Numbers: Clamping cylinder one 1, clamping cylinder two 2, clamping cylinder three 3, clamping cylinder four 4, electronically controlled reversing valve 5, hydraulic lock 6, oil pressure sensor 7, proportional relief valve 8, accumulator 9, proportional pressure reducing valve 10, proportional pneumatic ball valve 11, wind pressure sensor 12, feed hopper 13, pressure plate 14, rotor 15, motor 16. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the core concept of the present invention and the following embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The present application provides these embodiments to make the present application thorough and complete, and to fully express the scope of the present application to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0022] It should be noted that, in the description of this application, unless otherwise specified, the meaning of "several" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial" and the like indicate positions or positional relationships only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on this application. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0023] In addition, the words "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0024] It should also be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0025] All terms used in this application have the same meaning as those understood by those of ordinary skill in the art to which this application belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0026] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0027] The core of the present invention is to provide a hydraulic system adaptive pressure control technology for a pea gravel pump pressure plate clamping mechanism.

[0028] In order to achieve the above-mentioned purpose, the bean gravel pump pressing system of the present invention mainly includes a pressing oil cylinder, an electric control reversing valve, a hydraulic lock, an oil pressure sensor, a proportional overflow valve, an accumulator, a proportional pressure reducing valve, a proportional pneumatic ball valve, and a wind pressure sensor. High-pressure air is connected to the bean gravel pump through an air intake pipeline, and the bean gravel pump is connected to a discharge pipeline to spray the bean gravel to the filling position. During the operation of the bean gravel pump, the inside of the bean gravel rotor material cavity is filled with bean gravel, and high-pressure gas enters the upper part of the bean gravel pump rotor material cavity through the air intake pipeline, and the bean gravel is blown out into the discharge pipeline using high-pressure gas. At present, the four pressing oil cylinders are evenly distributed, and one side of two of the pressing oil cylinders is the action area of ​​the high-pressure gas circuit and the bean gravel material cavity of the bean gravel pump rotor. There is high-pressure gas in this area, which causes the upper pressure plate edge of the bean gravel pump to be subjected to an upward gas top force, resulting in unbalanced force on the four pressing oil cylinders, causing the sealing failure of the upper pressure plate and the rotor, and reducing the conveying efficiency of the bean gravel pump.

[0029] In the pressure-adaptive pea gravel pump clamping system of the present invention, as described above, the pressure in the pea gravel jet pump pipeline is not constant, which causes the pressure inside the rotor cavity to change. At this time, the clamping device automatically adjusts the clamping force of the clamping cylinder according to the air pressure in the pipeline through the adaptive pressure control system, thereby achieving a stable sealing effect on the rotor body of the pea gravel pump.

[0030] The specific embodiments include the following: A method for adaptively compacting a pea gravel pump plate, such as Figure 2 As shown, a hydraulic cylinder group is used to press the pressure plate 14 of the bean gravel pump toward the rotor 15, and the hydraulic cylinder group is divided into a high-pressure area cylinder group opposite to the high-pressure area of ​​the rotor 15 and a low-pressure area cylinder group opposite to the low-pressure area of ​​the rotor 15. The oil pressures of the high-pressure area cylinder group and the low-pressure area cylinder group are controlled to perform adaptive compression, that is, according to the pressure characteristics or pressure changes of the high-pressure area and the low-pressure area, the corresponding high-pressure area cylinder group and the low-pressure area cylinder group are controlled to perform pressure compensation, so as to achieve reliable sealing of the bean gravel pump.

[0031] Based on the above embodiments, as a preferred method, Figure 5 and Figure 6 As shown, the pressure of the high-pressure zone cylinder group is controlled by the oil pressure sensor 7, the proportional relief valve 8, and the reversing valve, and the pressure of the low-pressure zone cylinder group is controlled by the proportional pressure reducing valve 10 and the reversing valve. The control unit is used to dynamically regulate the proportional relief valve 8, the proportional pressure reducing valve 10 and the corresponding reversing valve.

[0032] Based on the above embodiments, as a preferred method, Figure 4 and Figure 2As shown, the control unit dynamically adjusts the pressure of the high-pressure air circuit through the proportional pneumatic ball valve 11 and the wind pressure sensor 12 arranged on the high-pressure air circuit of the bean gravel pump, and the wind pressure sensor 12 and / or the proportional pneumatic ball valve 11 are interlocked with the proportional relief valve 8, the proportional pressure reducing valve 10 and the reversing valve.

[0033] Based on the above embodiments, as a preferred method, Figure 4 and Figure 6 As shown, the pressure of the pipeline is collected through the wind pressure sensor 12, the air pressure generated by the wind pressure is calculated by the control unit, and the pressing force of the high-pressure area cylinder group to balance the air pressure is converted, the pressure of the proportional relief valve 8 and the proportional pressure reducing valve 10 is controlled by the control unit, and the dynamic value of the target oil pressure is monitored by the oil pressure sensor 7 to control the reversing valve to continuously replenish oil.

[0034] Based on the above embodiments, as a preferred method, Figure 1 As shown, the hydraulic cylinder group is pressurized by the accumulator 9 and / or the hydraulic lock 6 .

[0035] Based on the above embodiments, as a preferred method, Figure 1 and Figure 4 As shown, the pressure of the pipeline is collected through the wind pressure sensor 12, the air pressure generated by the wind pressure is calculated by the control unit, and the pressing force of the high-pressure area cylinder group to balance the air pressure is converted, the pressure of the proportional relief valve 8 and the proportional pressure reducing valve 10 is controlled by the control unit, and the dynamic value of the oil pressure monitored by the oil pressure sensor 7 is used to control the switching oil circuit of the reversing valve to replenish or cut off the oil.

[0036] A pea gravel pump pressure plate adaptive compaction system, using the pea gravel pump pressure plate adaptive compaction method described in any of the above embodiments, such as Figure 3 As shown, the high-pressure area cylinder group includes a clamping cylinder 1 and a clamping cylinder 2, and the clamping cylinder 1 and the clamping cylinder 2 are symmetrically arranged about the high-pressure chamber of the rotor 15. The low-pressure area cylinder group includes a clamping cylinder 3 and a clamping cylinder 4, and the clamping cylinder 3 and the clamping cylinder 4 are symmetrically arranged about the low-pressure chamber of the rotor 15.

[0037] Based on the above embodiments, as a preferred embodiment, Figure 2 As shown, the pressure plate 14 is located between the feed hopper 13 and the rotor 15 , the piston rod of the hydraulic cylinder group is connected to the pressure plate 14 , and the piston cylinder is fixed in a direction away from the feed hopper 13 .

[0038] Based on the above embodiments, as a preferred embodiment, Figure 1 and Figure 6As shown, the reversing valve connected to the high-pressure area cylinder group and the reversing valve connected to the low-pressure area cylinder group are the same electromagnetic reversing valve.

[0039] Based on the above embodiments, as a preferred embodiment, Figure 4 , Figure 5 and Figure 7 As shown, the control unit is a programmable logic controller, that is, a PLC is used to control the oil pressure.

[0040] As another preferred implementation, as follows Figure 1 , Figure 2 As shown, it mainly includes a clamping cylinder 1, a clamping cylinder 2, a clamping cylinder 3, a clamping cylinder 4, an electric control reversing valve 5, a hydraulic lock 6, an oil pressure sensor 7, a proportional relief valve 8, an accumulator 9, a proportional pressure reducing valve 10, a proportional pneumatic ball valve 11, and a wind pressure sensor 12. Pea gravel is transported to a feed hopper 13 through a pea gravel conveyor belt, and the pea gravel in the feed hopper 13 falls into the material cavity of a rotating rotor 15, and is ejected from a discharge pipeline by the high-pressure gas of the high-pressure gas circuit.

[0041] like Figure 3 As shown, one side of the clamping cylinder 1 and the clamping cylinder 2 is the high-pressure gas circuit and the bean gravel material chamber action area of ​​the bean gravel pump rotor 15. There is high-pressure gas in this area, which causes the pressure plate 14 of the bean gravel pump to be subjected to an upward gas push force, resulting in unbalanced force on the four clamping cylinders, causing the seal failure of the pressure plate 14 and the rotor 15, and reducing the delivery efficiency of the bean gravel pump. Since the gas push force mainly acts on the clamping oil cylinder 1 1 and the clamping oil cylinder 2 2, the hydraulic system is set with graded pressure control, and the clamping force of the clamping oil cylinder 1 1 and the clamping oil cylinder 2 2 is controlled by the proportional relief valve 8, and the clamping force of the clamping oil cylinder 3 3 and 4 is controlled by the proportional pressure reducing valve 10. The pressure of the proportional relief valve 8 is greater than the pressure of the pressure reducing valve 10, which eventually leads to the clamping oil cylinder 1 1 and the clamping oil cylinder 2 2 near the gas push force being greater than the other two clamping oil cylinders 3 3 and 4 4. The difference between the pressure of the clamping oil cylinder 1 1 and the clamping oil cylinder 2 2 and the pressure of the clamping oil cylinder 3 3 and the clamping oil cylinder 4 4 is the gas push force. During the actual operation of the pump body, the proportional pneumatic ball valve 11 controls the air intake of the high-pressure pipeline, the motor 16 controls the rotation speed of the rotor 15, and the injection amount of the bean gravel pump is adjusted by controlling the proportional pneumatic ball valve 11 and the rotor 15.

[0042] As mentioned above, due to the inconsistent quality of bean gravel in the bean gravel jet pump pipeline, the opening of the proportional pneumatic ball valve 11, and the different rotation speeds of the rotor 15, the air pressure in the pipeline is not constant, resulting in changes in the pressure inside the cavity of the rotor 15. At this time, the clamping cylinder 1, clamping cylinder 2, clamping cylinder 3, and clamping cylinder 4 automatically adjust the clamping force of the clamping cylinder according to the air pressure in the pipeline through the adaptive pressure control system to achieve a stable sealing effect on the rotor body of the bean gravel pump. The specific control logic is as follows: Figure 4 As shown, the pressure of the pipeline is collected through the wind pressure sensor 12, the air pressure generated by the wind pressure is calculated through PLC operation, and the clamping force of the clamping cylinder 1 and the clamping cylinder 2 is converted to balance the air pressure. The pressure of the proportional relief valve 8 and the proportional pressure reducing valve 10 is controlled by PLC, and the electromagnetic reversing valve 5 is opened to fill oil, so as to increase the clamping force of the clamping cylinder 1 and the clamping cylinder 2. The pressure of the oil circuit is monitored in real time by the oil pressure sensor 7. When the oil pressure reaches the target value, the electromagnetic reversing valve 5 is closed, and the system is pressurized by the accumulator 9 and the hydraulic lock 6. When the oil pressure sensor 7 detects that the pressure is reduced, the PLC controls the electromagnetic reversing valve 5 to fill oil to ensure that the pressure of the hydraulic system meets the target value, so as to avoid the sealing failure of the pressure plate 14 and the rotor 15 due to the decrease in the clamping force.

[0043] The details not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0044] The above content shows and describes the basic principles, main features and beneficial effects of the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for adaptively compacting a pea gravel pump pressure plate, characterized in that: A hydraulic cylinder group is used to press a pressure plate (14) of a bean gravel pump toward a rotor (15), and the hydraulic cylinder group is divided into a high-pressure area cylinder group opposite to the high-pressure area of ​​the rotor (15) and a low-pressure area cylinder group opposite to the low-pressure area of ​​the rotor (15). The oil pressures of the high-pressure area cylinder group and the low-pressure area cylinder group are controlled respectively to perform adaptive pressing.

2. The method for adaptively compacting a pea gravel pump pressure plate according to claim 1, characterized in that: The pressure of the high-pressure zone oil cylinder group is controlled by means of an oil pressure sensor (7), a proportional relief valve (8), and a reversing valve, while the pressure of the low-pressure zone oil cylinder group is controlled by means of a proportional pressure reducing valve (10) and a reversing valve. The proportional relief valve (8), the proportional pressure reducing valve (10), and the corresponding reversing valve are dynamically regulated by a control unit.

3. The method for adaptively compacting a pea gravel pump pressure plate according to claim 2, characterized in that: The control unit dynamically adjusts the pressure of the high-pressure gas circuit through the proportional pneumatic ball valve (11) and a wind pressure sensor (12) provided on the high-pressure gas circuit of the bean gravel pump. The wind pressure sensor (12) and / or the proportional pneumatic ball valve (11) are interlocked with the proportional relief valve (8), the proportional pressure reducing valve (10) and the reversing valve for control.

4. The method for adaptively compacting a pea gravel pump pressure plate according to claim 2, characterized in that: The pressure of the pipeline is collected through the wind pressure sensor (12), the air pressure generated by the wind pressure is calculated by the control unit, and the pressing force of the high-pressure area cylinder group to balance the air pressure is converted. The pressure of the proportional relief valve (8) and the proportional pressure reducing valve (10) is controlled by the control unit, and the dynamic value of the target oil pressure is monitored by the oil pressure sensor (7) to control the reversing valve to continuously replenish oil.

5. The method for adaptively compacting a pea gravel pump pressure plate according to any one of claims 1 to 4, characterized in that: The hydraulic cylinder group is pressurized by an accumulator (9) and / or a hydraulic lock (6).

6. The method for adaptively compacting a pea gravel pump pressure plate according to claim 5, characterized in that: The pressure of the pipeline is collected through the wind pressure sensor (12), and the air pressure generated by the wind pressure is calculated by the control unit, and the pressing force of the high-pressure area cylinder group to balance the air pressure is converted. The pressure of the proportional relief valve (8) and the proportional pressure reducing valve (10) is controlled by the control unit, and the dynamic value of the oil pressure monitored by the oil pressure sensor (7) is used to control the switching of the reversing valve to replenish or cut off the oil circuit.

7. An adaptive clamping system for a pea gravel pump pressure plate, characterized in that: The method for adaptively clamping a pea gravel pump pressure plate according to any one of claims 2 to 6 is adopted, wherein the high-pressure zone cylinder group comprises a clamping cylinder one (1) and a clamping cylinder one (2), and the clamping cylinder one (1) and the clamping cylinder one (2) are symmetrically arranged with respect to the high-pressure chamber of the rotor (15), and the low-pressure zone cylinder group comprises a clamping cylinder three (3) and a clamping cylinder four (4), and the clamping cylinder three (3) and the clamping cylinder four (4) are symmetrically arranged with respect to the low-pressure chamber of the rotor (15).

8. The self-adaptive clamping system for a pea gravel pump pressure plate according to claim 7, characterized in that: The pressure plate (14) is located between the feed hopper (13) and the rotor (15); the piston rod of the hydraulic cylinder group is connected to the pressure plate (14); and the piston cylinder is fixed in a direction away from the feed hopper (13).

9. The self-adaptive clamping system for a pea gravel pump pressure plate according to claim 7 or 8, characterized in that: The reversing valve connected to the high-pressure zone oil cylinder group and the reversing valve connected to the low-pressure zone oil cylinder group are the same electromagnetic reversing valve.

10. The self-adaptive compacting method and compacting system of the pea gravel pump pressure plate according to claim 9, characterized in that: The control unit is a programmable logic controller.

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