Hydraulic tamping station control device

Abstract

The utility model discloses a hydraulic tamping station control device which comprises a motor oil pump, an electromagnetic relief valve group, a static pressure action control valve group, a vibration control valve group, a liquid supplementing valve group and a displacement sensor, the electromagnetic relief valve group is connected with an output oil way of the motor oil pump, and an input oil way of the static pressure action control valve group is connected with an output oil way of an electromagnetic relief valve. An output oil way of the static pressure action control valve set is connected with the static pressure high-frequency-response oil cylinder, an input oil way of the vibration control valve set is connected with an output oil way of the electromagnetic overflow valve, an output oil way of the vibration control valve set is connected with the static pressure high-frequency-response oil cylinder, and an input oil way of the liquid supplementing valve set is connected with the hydraulic oil tank and the output oil way of the static pressure action control valve set. An output oil way of the liquid supplementing valve set is connected with the static pressure high-frequency response oil cylinder, and the displacement sensor is arranged on the static pressure high-frequency response oil cylinder. According to the utility model, a coal cake can be vibrated after being pressed, so that the density of the coal cake is effectively improved, the lifting and pressing speed of the static pressure high-frequency response oil cylinder is effectively improved, and the compaction time of the coal cake is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic rammer station technical field especially relates to a kind of hydraulic rammer station control device. BACKGROUND

[0002] There are two forms of mechanical briquetting of non-recovery coke oven, and the briquette density of mechanical ramming is sufficient, but the noise and dust pollution are prominent. In recent years, hydraulic rammer station has gradually replaced it. The working environment of hydraulic rammer station is environmentally friendly, but it needs to compact the briquette in the same area multiple times to ensure the briquette density. Due to the short process time, it is not possible to compact the briquette in the same area multiple times, and in the production process, in order to save time, the briquette density cannot be effectively guaranteed.

[0003] Therefore, in view of the short process time and low density, a hydraulic rammer station control device is needed to solve the above technical problems. INVENTION CONTENTS

[0004] To solve the above technical problems in the prior art, the utility model provides a kind of hydraulic rammer station control device, comprising:

[0005] Motor oil pump, the motor oil pump is two, two motor oil pump is connected with the static pressure high frequency response oil cylinder control oil way, for providing hydraulic oil to the static pressure high frequency response oil cylinder;

[0006] Electromagnetic overflow valve group, the electromagnetic overflow valve group input oil way is connected with the motor oil pump output oil way, for ensuring that the motor oil pump output hydraulic oil oil pressure is stable;

[0007] Static pressure action control valve group, the static pressure action control valve group input oil way is connected with the electromagnetic overflow valve output oil way, static pressure action control valve group output oil way is connected with the static pressure high frequency response oil cylinder rod cavity and rodless cavity, for the static pressure high frequency response oil cylinder static pressure action control;

[0008] Vibration control valve group, the vibration control valve group input oil way is connected with the electromagnetic overflow valve output oil way, the vibration control valve group output oil way is connected with the static pressure high frequency response oil cylinder rod cavity and rodless cavity, for the static pressure high frequency response oil cylinder vibration action and frequency control;

[0009] Liquid supplement valve group, the liquid supplement valve group input oil way is connected with hydraulic oil tank and the static pressure action control valve group output oil way, the liquid supplement valve group output oil way is connected with the static pressure high frequency response oil cylinder rodless cavity, for the static pressure high frequency response oil cylinder rodless cavity fast oil filling;

[0010] Displacement sensor, the displacement sensor is arranged on the static pressure high frequency response oil cylinder, for detecting static pressure high frequency response oil cylinder moving position information.

[0011] Further, in the hydraulic tamping station control device, the electromagnetic overflow valve group comprises two electromagnetic overflow valves, two cartridge check valves and a pressure gauge, the two cartridge check valves are respectively arranged on the oil outlet oil paths of the two motor oil pumps, the oil inlet of the two electromagnetic overflow valves is respectively connected with the oil paths between the oil outlets of the two motor oil pumps and the oil inlets of the two cartridge check valves, the overflow outlets of the two electromagnetic overflow valves are connected with the oil return oil path of the hydraulic oil tank, and the pressure gauge is arranged on the oil outlet oil path of the cartridge check valve.

[0012] Further, in the hydraulic tamping station control device, the static pressure action control valve group comprises a first cartridge valve, a second cartridge valve, a third cartridge valve, a first sequence valve, a second sequence valve and a first hydraulic control check valve, the control end and the oil inlet of the first cartridge valve are connected with the output oil path of the cartridge check valve, the oil outlet of the first cartridge valve is connected with the oil inlet of the first sequence valve, and the oil outlet of the first sequence valve is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder.

[0013] The control end and the oil inlet of the second cartridge valve are connected with the output oil path of the cartridge check valve, the oil outlet of the second cartridge valve is connected with the oil inlet of the first hydraulic control check valve, the oil outlet of the first hydraulic control check valve is connected with the oil inlet of the second sequence valve, the rod cavity of the static pressure high-frequency response oil cylinder is communicated with the oil path between the oil outlet of the first hydraulic control check valve and the oil inlet of the second sequence valve, and the control end of the first hydraulic control check valve is connected with the oil path of the oil outlet of the first sequence valve.

[0014] The control end and the oil inlet of the third cartridge valve are respectively connected with the oil outlet of the second cartridge valve, and the oil outlet of the third cartridge valve is connected with the oil return oil path of the hydraulic oil tank.

[0015] Further, in the hydraulic tamping station control device, the vibration control valve group comprises a fourth cartridge valve, a high-pressure filter, a second hydraulic control check valve, an electromagnetic reversing valve, a high-frequency proportional valve, a third hydraulic control check valve and an accumulator, the oil inlet and the control end of the fourth cartridge valve are connected with the oil path of the oil outlet of the cartridge check valve, the oil outlet of the fourth cartridge valve is connected with the oil inlet of the high-pressure filter, the oil outlet of the high-pressure filter is respectively connected with the oil inlet of the second hydraulic control check valve and the pressure oil inlet of the electromagnetic reversing valve, the oil outlet of the accumulator is connected with the oil inlet of the second hydraulic control check valve, the inlet and outlet oil inlets of the electromagnetic reversing valve are respectively connected with the oil outlets and control oil inlets of the second hydraulic control check valve and the third hydraulic control check valve, the oil outlet of the second hydraulic control check valve is connected with the pressure oil inlet of the high-frequency proportional valve, the inlet and outlet oil inlets of the high-frequency proportional valve are connected with the oil inlet of the third hydraulic control check valve, and the oil outlet of the third hydraulic control check valve is respectively communicated with the rod cavity and the rodless cavity of the static pressure high-frequency response oil cylinder.

[0016] Further, in the hydraulic tamping station control device, the vibration control valve group further comprises a check valve, and the oil return oil paths of the electromagnetic reversing valve and the high-frequency proportional valve are connected with the hydraulic oil tank oil return oil path, and the check valve is arranged between the oil return oil paths of the electromagnetic reversing valve and the high-frequency proportional valve and the hydraulic oil tank oil return oil path.

[0017] Further, in the hydraulic tamping station control device, the liquid supplement valve group comprises a throttle valve and a liquid supplement valve, the oil inlet of the throttle valve is connected with the oil outlet of the second cartridge valve, the oil outlet of the throttle valve is connected with the control end of the liquid supplement valve, the oil inlet of the liquid supplement valve is connected with the hydraulic oil tank, and the oil outlet of the liquid supplement valve is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder.

[0018] Further, in the hydraulic tamping station control device, the hydraulic oil tank is provided with a butterfly valve between the liquid supplement valve and the motor oil pump.

[0019] Further, in the hydraulic tamping station control device, the rodless cavity oil inlet oil path of the static pressure high-frequency response oil cylinder is provided with a pressure sensor.

[0020] The hydraulic tamping station control device has the following advantages and beneficial effects:

[0021] The static pressure action control valve group and the vibration control valve group are matched to vibrate the coal cake after pressure is applied to the coal cake, so that the density of the coal cake is effectively improved, the liquid supplement valve group is arranged to effectively improve the lifting and pressing speed of the static pressure high-frequency response oil cylinder, and the coal cake compaction time is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only used to further understand the embodiments of the present application and constitute a part of the present application. For those skilled in the art, other drawings can also be obtained without creative labor. In the drawings:

[0023] Figure 1 The hydraulic principle diagram of the hydraulic tamping station control device.

[0024] EXPLANATION OF REFERENCE NUMERALS:

[0025] 100: hydraulic oil tank; 200: static pressure high-frequency response oil cylinder;

[0026] 1: motor oil pump;

[0027] 2: electromagnetic overflow valve group, 21: electromagnetic overflow valve, 22: cartridge check valve, 23: pressure gauge;

[0028] 3: static pressure action control valve group, 31: first cartridge valve, 32: second cartridge valve, 33: third cartridge valve, 34: first sequence valve, 35: second sequence valve, 36: first hydraulic control check valve;

[0029] 4: vibration control valve group, 41: fourth cartridge valve, 42: high pressure filter, 43: second hydraulic control check valve, 44: electromagnetic reversing valve, 45: high frequency proportional valve, 46: third hydraulic control check valve, 47: accumulator, 48: check valve;

[0030] 5: liquid supplement valve group, 51: throttle valve, 52: liquid filling valve;

[0031] 6: displacement sensor; 7: butterfly valve; 8: pressure sensor. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely below by combining with the utility model specific embodiment and corresponding drawings. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0033] As shown in the utility model hydraulic jolt ram control device includes: Figure 1 Motor oil pump 1, two motor oil pumps 1 are connected with static pressure high frequency response oil cylinder 200 control oil circuit, and are used for providing hydraulic oil for static pressure high frequency response oil cylinder 200;

[0034] Electromagnetic overflow valve group 2, the input oil circuit of electromagnetic overflow valve group 2 is connected with the output oil circuit of motor oil pump 1, and is used for ensuring that the output hydraulic oil pressure of motor oil pump 1 is stable;

[0035] Static pressure action control valve group 3, the input oil circuit of static pressure action control valve group 3 is connected with the output oil circuit of electromagnetic overflow valve 21, and the output oil circuit of static pressure action control valve group 3 is connected with the rod cavity and rodless cavity of static pressure high frequency response oil cylinder 200, and is used for static pressure action control for static pressure high frequency response oil cylinder 200;

[0036] Vibration control valve group 4, the input oil circuit of vibration control valve group 4 is connected with the output oil circuit of electromagnetic overflow valve 21, and the output oil circuit of vibration control valve group 4 is connected with the rod cavity and rodless cavity of static pressure high frequency response oil cylinder 200, and is used for vibration action and frequency control for static pressure high frequency response oil cylinder 200;

[0037]

[0038] ​The liquid supplementing valve group 5 is connected with the hydraulic oil tank 100 and the static pressure action control valve group 3 through the input oil line, and is connected with the rodless cavity of the static pressure high-frequency response oil cylinder 200 through the output oil line, and is used for quickly filling the rodless cavity of the static pressure high-frequency response oil cylinder 200 with oil;

[0039] The displacement sensor 6 is arranged on the static pressure high-frequency response oil cylinder 200, and is used for detecting the moving position information of the static pressure high-frequency response oil cylinder 200.

[0040] Further, in the hydraulic tamping station control device, the electromagnetic overflow valve group 2 comprises two electromagnetic overflow valves 21, two plug-in check valves 22 and a pressure gauge 23, the two plug-in check valves 22 are arranged on the oil outlet lines of the two motor oil pumps 1 respectively, the oil inlet of the two electromagnetic overflow valves 21 is connected with the oil line between the oil outlets of the two motor oil pumps 1 and the oil inlets of the two plug-in check valves 22 respectively, the overflow outlets of the two electromagnetic overflow valves 21 are connected with the oil return line of the hydraulic oil tank 100, and the pressure gauge 23 is arranged on the oil outlet line of the plug-in check valve 22, so that the safety of the hydraulic oil line is effectively ensured.

[0041] Further, in the hydraulic tamping station control device, the static pressure action control valve group 3 comprises a first plug-in valve 31, a second plug-in valve 32, a third plug-in valve 33, a first sequence valve 34, a second sequence valve 35 and a first hydraulic control check valve 36, the control end and the oil inlet of the first plug-in valve 31 are connected with the output oil line of the plug-in check valve 22, the oil outlet of the first plug-in valve 31 is connected with the oil inlet of the first sequence valve 34, and the oil outlet of the first sequence valve 34 is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder 200.

[0042] The control end and the oil inlet of the second plug-in valve 32 are connected with the output oil line of the plug-in check valve 22, the oil outlet of the second plug-in valve 32 is connected with the oil inlet of the first hydraulic control check valve 36, the oil outlet of the first hydraulic control check valve 36 is connected with the oil inlet of the second sequence valve 35, the rod cavity of the static pressure high-frequency response oil cylinder 200 is communicated with the oil line between the oil outlet of the first hydraulic control check valve 36 and the oil inlet of the second sequence valve 35, and the control end of the first hydraulic control check valve 36 is connected with the oil line between the oil outlet of the first sequence valve 34 and the oil inlet of the second sequence valve 35.

[0043] The control end and the oil inlet of the third plug-in valve 33 are connected with the oil outlet of the second plug-in valve 32 respectively, the oil outlet of the third plug-in valve 33 is connected with the oil return line of the hydraulic oil tank 100, the third plug-in valve 33 can be used for controlling the lowering and lifting of the static pressure high-frequency response oil cylinder 200, and the coal cake can be effectively subjected to static pressure.

[0044] Further, in the hydraulic tamping station control device, the vibration control valve group 4 further comprises a check valve 48, the return oil ports of the electromagnetic reversing valve 44 and the high-frequency proportional valve 45 are connected with the return oil circuit of the hydraulic oil tank 100, and the check valve 48 is arranged between the return oil ports of the electromagnetic reversing valve 44 and the high-frequency proportional valve 45 and the return oil circuit of the hydraulic oil tank 100, so as to effectively cut off the return oil circuits of the static pressure action control valve group 3 and the vibration control valve group 4.

[0045] Further, in the hydraulic tamping station control device, the vibration control valve group 4 further comprises a check valve 48, the return oil ports of the electromagnetic reversing valve 44 and the high-frequency proportional valve 45 are connected with the return oil circuit of the hydraulic oil tank 100, and the check valve 48 is arranged between the return oil ports of the electromagnetic reversing valve 44 and the high-frequency proportional valve 45 and the return oil circuit of the hydraulic oil tank 100, so as to effectively cut off the return oil circuits of the static pressure action control valve group 3 and the vibration control valve group 4.

[0046] Further, in the hydraulic tamping station control device, the supplement valve group 5 comprises a throttle valve 51 and a liquid filling valve 52, the inlet of the throttle valve 51 is connected with the outlet of the second cartridge valve 32, the outlet of the throttle valve 51 is connected with the control end of the liquid filling valve 52, the inlet of the liquid filling valve 52 is connected with the hydraulic oil tank 100, and the outlet of the liquid filling valve 52 is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder 200, so as to quickly supplement the liquid when the static pressure high-frequency response oil cylinder 200 is pressed, and quickly return the liquid when the static pressure high-frequency response oil cylinder 200 is lifted, thereby effectively ensuring the working efficiency of the static pressure high-frequency response oil cylinder 200 and saving production time.

[0047] Further, in the hydraulic tamping station control device, the supplement valve group 5 comprises a throttle valve 51 and a liquid filling valve 52, the inlet of the throttle valve 51 is connected with the outlet of the second cartridge valve 32, the outlet of the throttle valve 51 is connected with the control end of the liquid filling valve 52, the inlet of the liquid filling valve 52 is connected with the hydraulic oil tank 100, and the outlet of the liquid filling valve 52 is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder 200, so as to quickly supplement the liquid when the static pressure high-frequency response oil cylinder 200 is pressed, and quickly return the liquid when the static pressure high-frequency response oil cylinder 200 is lifted, thereby effectively ensuring the working efficiency of the static pressure high-frequency response oil cylinder 200 and saving production time.

[0048] Further, in the hydraulic tamping station control device, the supplement valve group 5 comprises a throttle valve 51 and a liquid filling valve 52, the inlet of the throttle valve 51 is connected with the outlet of the second cartridge valve 32, the outlet of the throttle valve 51 is connected with the control end of the liquid filling valve 52, the inlet of the liquid filling valve 52 is connected with the hydraulic oil tank 100, and the outlet of the liquid filling valve 52 is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder 200, so as to quickly supplement the liquid when the static pressure high-frequency response oil cylinder 200 is pressed, and quickly return the liquid when the static pressure high-frequency response oil cylinder 200 is lifted, thereby effectively ensuring the working efficiency of the static pressure high-frequency response oil cylinder 200 and saving production time.

[0049] The working principle is:

[0050] Static pressure fast action: start the motor oil pump 1 to pressurize the hydraulic oil in the hydraulic oil tank 100 and then deliver to the electromagnetic overflow valve group 2, at this time the electromagnetic overflow valve 21 is powered on to control the hydraulic pressure in the hydraulic oil way, the hydraulic oil in the safety pressure is delivered to the static pressure action control valve group 3, at this time the first cartridge valve 31 is powered on, the hydraulic oil enters the control end of the first cartridge valve 31 to make the first cartridge valve 31 work, at this time the hydraulic oil enters the control end of the first hydraulic control check valve 36 through the oil outlet of the first cartridge valve 31, controls the first hydraulic control check valve 36 to open, and supplies oil to the rodless cavity of the static pressure high-frequency response oil cylinder 200 through the first sequence valve 34, at the same time, the first hydraulic control check valve 36 works to suck open the liquid filling valve 52 through the throttle valve 51, so that the liquid filling valve 52 supplements the oil to the rodless cavity of the static pressure high-frequency response oil cylinder 200 through the hydraulic oil tank 100, thereby realizing the static pressure fast action;

[0051] Static pressure pressurization action: at the end of the static pressure fast action, the third cartridge valve 33 is powered on, at this time the hydraulic oil returns to the hydraulic oil tank 100 through the third cartridge valve 33, the liquid filling valve 52 is closed, and the displacement sensor 6 sends a signal to stop pressurization, thereby maintaining the static pressure pressurization action;

[0052] Vibration action: after the static pressure pressurization is completed, the fourth cartridge valve 41 is powered on to make the high-pressure filter 42 work, the filtered hydraulic oil enters the pressure oil port of the electromagnetic reversing valve 44, the second hydraulic control check valve 43 and the third hydraulic control check valve 46 are controlled to open through the electromagnetic reversing valve 44, at this time the accumulator 47 works to make the high-frequency proportional valve 45 work to supply oil to the rod cavity and the rodless cavity of the static pressure high-frequency response oil cylinder 200 through the third hydraulic control check valve 46, so that the static pressure high-frequency response oil cylinder 200 vibrates according to the set parameters of the high-frequency proportional valve 45;

[0053] Fast lifting action: after the vibration is completed, the electromagnetic reversing valve 44 and the fourth cartridge valve 41 are powered off, at this time the second cartridge valve 32 is powered on, the hydraulic oil opens the first hydraulic control check valve 36 through the oil outlet of the second cartridge valve 32, the hydraulic oil enters the rod cavity of the static pressure high-frequency response oil cylinder 200 through the oil outlet of the first hydraulic control check valve 36, at the same time, the hydraulic oil enters the control end of the liquid filling valve 52 through the throttle valve 51 to control the liquid filling valve 52 to open, at this time the hydraulic oil in the rodless cavity of the static pressure high-frequency response oil cylinder 200 returns to the hydraulic oil tank 100 quickly through the liquid filling valve 52, when the displacement sensor 6 sends a signal to stop lifting, thereby realizing the fast lifting action.

[0054] Compared with the prior art, the hydraulic jacking station control device has the following advantages and beneficial effects:

[0055] The utility model discloses a static pressure action control valve group and vibration control valve group's cooperation is carried out to the coal cake after pressing vibration, thereby effectively improve the density of coal cake, through the setting of liquid supplementing valve group effectively improve static pressure high frequency response oil cylinder lifting and down pressure speed, effectively reduce the coal cake compaction time

[0056] It should be noted that, in this paper, unless otherwise specified and limited, the term "connection" or its synonyms should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, for ordinary skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances. Moreover, such as "first" and "second" expressions are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. At the same time, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment. In addition, "before", "after", "left", "right", "up", "down" in this paper are with the placement state shown in the drawing as the reference.

[0057] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.

Claims

1. A hydraulic tamping station control device, which is arranged between a hydraulic oil tank and a static pressure high-frequency response oil cylinder oil path, controls the static pressure high-frequency response oil cylinder to the tamping station coal cake static pressure and vibration, characterized in that, The hydraulic tamping station control device comprises: Two motor oil pumps, which are connected with the static pressure high-frequency response oil cylinder control oil circuit and used for providing hydraulic oil for the static pressure high-frequency response oil cylinder; An electromagnetic overflow valve group, which is connected with the motor oil pump output oil circuit and used for ensuring that the motor oil pump output hydraulic oil pressure is stable; A static pressure action control valve group, which is connected with the electromagnetic overflow valve output oil circuit, and whose output oil circuit is connected with the static pressure high-frequency response oil cylinder rod cavity and rodless cavity and used for controlling the static pressure action of the static pressure high-frequency response oil cylinder; A vibration control valve group, which is connected with the electromagnetic overflow valve output oil circuit, and whose output oil circuit is connected with the static pressure high-frequency response oil cylinder rod cavity and rodless cavity and used for controlling the vibration action and frequency of the static pressure high-frequency response oil cylinder; A liquid supplement valve group, which is connected with the hydraulic oil tank and the static pressure action control valve group output oil circuit, and whose output oil circuit is connected with the static pressure high-frequency response oil cylinder rodless cavity and used for quickly filling the static pressure high-frequency response oil cylinder rodless cavity with oil; A displacement sensor, which is arranged on the static pressure high-frequency response oil cylinder and used for detecting the moving position information of the static pressure high-frequency response oil cylinder.

2. The hydraulic rammer station control device of claim 1, wherein The electromagnetic overflow valve group comprises two electromagnetic overflow valves, two cartridge valves and a pressure gauge, the two cartridge valves are arranged on the oil outlet oil circuits of the two motor oil pumps respectively, the oil inlet of the two electromagnetic overflow valves is connected with the oil circuits between the oil outlets of the two motor oil pumps and the oil inlets of the two cartridge valves respectively, the overflow outlets of the two electromagnetic overflow valves are connected with the hydraulic oil tank return oil circuit, and the pressure gauge is arranged on the oil outlet oil circuit of the cartridge valve.

3. The hydraulic rammer station control apparatus of claim 2, wherein The static pressure action control valve group comprises a first cartridge valve, a second cartridge valve, a third cartridge valve, a first sequence valve, a second sequence valve and a first hydraulic control check valve, the control end and the oil inlet of the first cartridge valve are connected with the output oil circuit of the cartridge valve, the oil outlet of the first cartridge valve is connected with the oil inlet of the first sequence valve, and the oil outlet of the first sequence valve is connected with the rodless cavity of the static pressure high-frequency response oil cylinder in communication; The control end and the oil inlet of the second cartridge valve are connected with the output oil circuit of the cartridge valve, the oil outlet of the second cartridge valve is connected with the oil inlet of the first hydraulic control check valve, the oil outlet of the first hydraulic control check valve is connected with the oil inlet of the second sequence valve, the rod cavity of the static pressure high-frequency response oil cylinder is connected with the oil circuit of the oil outlet of the first hydraulic control check valve and the oil inlet of the second sequence valve, and the control end of the first hydraulic control check valve is connected with the oil circuit of the oil outlet of the first sequence valve; The control end and the oil inlet of the third cartridge valve are connected with the oil outlet of the second cartridge valve respectively, and the oil outlet of the third cartridge valve is connected with the hydraulic oil tank return oil circuit.

4. The hydraulic rammer station control apparatus of claim 2, wherein The vibration control valve group comprises a fourth cartridge valve, a high-pressure filter, a second hydraulic control check valve, an electromagnetic reversing valve, a high-frequency proportional valve, a third hydraulic control check valve and an accumulator, the oil inlet of the fourth cartridge valve and the control end are connected with the oil outlet of the cartridge check valve, the oil outlet of the fourth cartridge valve is connected with the oil inlet of the high-pressure filter, the oil outlet of the high-pressure filter is connected with the oil inlet of the second hydraulic control check valve and the pressure oil inlet of the electromagnetic reversing valve, the oil outlet of the accumulator is connected with the oil inlet of the second hydraulic control check valve, the oil inlets and outlets of the electromagnetic reversing valve are connected with the oil outlets and control oil inlets of the second hydraulic control check valve and the third hydraulic control check valve, the oil outlet of the second hydraulic control check valve is connected with the pressure oil inlet of the high-frequency proportional valve, the oil inlets and outlets of the high-frequency proportional valve are connected with the oil inlet of the third hydraulic control check valve, and the oil outlet of the third hydraulic control check valve is communicated with the rod cavity and the rodless cavity of the static pressure high-frequency response oil cylinder.

5. The hydraulic rammer station control apparatus of claim 4, wherein, The vibration control valve group further comprises a check valve, the oil return inlets of the electromagnetic reversing valve and the high-frequency proportional valve are connected with the oil return oil circuit of the hydraulic oil tank, and the check valve is arranged between the oil return inlets of the electromagnetic reversing valve and the high-frequency proportional valve and the oil return oil circuit of the hydraulic oil tank.

6. The hydraulic rammer station control apparatus of claim 3, wherein The liquid supplement valve group comprises a throttle valve and a liquid filling valve, the oil inlet of the throttle valve is connected with the oil outlet of the second cartridge valve, the oil outlet of the throttle valve is connected with the control end of the liquid filling valve, the oil inlet of the liquid filling valve is connected with the hydraulic oil tank, and the oil outlet of the liquid filling valve is communicated with the rodless cavity of the static pressure high-frequency response oil cylinder.

7. The hydraulic rammer station control apparatus of claim 6, wherein Butterfly valves are arranged between the hydraulic oil tank and the liquid filling valve and the motor oil pump.

8. The hydraulic tamp station control of claim 1, wherein, A pressure sensor is arranged on the oil inlet oil circuit of the rodless cavity of the static pressure high-frequency response oil cylinder.

Images