CN114233710A - Hydraulic control system and control method for horizontal-in and horizontal-out shifting mechanism of vertical pressing station - Google Patents
Hydraulic control system and control method for horizontal-in and horizontal-out shifting mechanism of vertical pressing station Download PDFInfo
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- CN114233710A CN114233710A CN202210170698.6A CN202210170698A CN114233710A CN 114233710 A CN114233710 A CN 114233710A CN 202210170698 A CN202210170698 A CN 202210170698A CN 114233710 A CN114233710 A CN 114233710A
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- oil cylinder
- oil
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- box body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F9/00—Transferring of refuse between vehicles or containers with intermediate storage or pressing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
- F15B2013/0448—Actuation by solenoid and permanent magnet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention belongs to the technical field of vertical pressure station displacement mechanisms, and particularly relates to a hydraulic control system of a vertical pressure station horizontal in-out displacement mechanism, wherein an oil inlet of a gear pump is communicated with a hydraulic oil tank, an oil outlet of the gear pump is communicated with an oil inlet of a control valve group, and an oil return port of the control valve group is communicated with the hydraulic oil tank; the control valve group comprises a turning oil cylinder, a translation oil cylinder, a claw oil cylinder, a locking oil cylinder, an opening and closing oil cylinder and a push-pull oil cylinder; the turning oil cylinder, the translation oil cylinder, the claw oil cylinder, the locking oil cylinder, the opening and closing oil cylinder and the push-pull oil cylinder are connected to an oil inlet and an oil return port of the control valve group through corresponding three-position four-way electromagnetic valves; two-way hydraulic locks are arranged between the large cavity of the claw oil cylinder and the small cavity of the claw oil cylinder, between the large cavity of the locking oil cylinder and the small cavity of the locking oil cylinder, between the large cavity of the opening and closing oil cylinder and the small cavity of the opening and closing oil cylinder and between the large cavity of the push-pull oil cylinder and the small cavity of the push-pull oil cylinder. The modular design that this application high expansibility required down based on station quantity, nimble configuration valve unit.
Description
Technical Field
The invention belongs to the technical field of vertical pressing station shifting mechanisms, and particularly relates to a hydraulic control system and a hydraulic control method for a vertical pressing station horizontal in-out shifting mechanism.
Background
Along with the improvement of the centralized treatment degree of the urban garbage, the garbage treatment capacity is larger and larger, and the treatment capacity and environmental protection requirements on the transfer station are gradually improved. The most abundant products on the market today are the horizontal compression type. The horizontal compression box body has a butt joint port, and the industry problems of leakage, leakage and the like are generally existed; the horizontal straight-press type transfer station has larger rebound in the compression process, which affects the operation efficiency, and meanwhile, garbage inclusion generally exists; the horizontal compression technology cannot realize garbage classification transfer, and the vertical compression technology is urgently to be popularized.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a hydraulic control system of a horizontal in-and-out shifting mechanism of a vertical pressing station.
The invention is realized by the following technical scheme: a hydraulic control system of a vertical pressure station horizontal in-out shifting mechanism is characterized in that an oil inlet of a gear pump is communicated with a hydraulic oil tank, an oil outlet of the gear pump is communicated with an oil inlet of a control valve group, and an oil return port of the control valve group is communicated with the hydraulic oil tank; the control valve group comprises a turning oil cylinder, a translation oil cylinder, a claw oil cylinder, a locking oil cylinder, an opening and closing oil cylinder and a push-pull oil cylinder; the turning oil cylinder, the translation oil cylinder, the claw oil cylinder, the locking oil cylinder, the opening and closing oil cylinder and the push-pull oil cylinder are connected to an oil inlet and an oil return port of the control valve group through corresponding three-position four-way electromagnetic valves; two-way hydraulic locks are arranged between the large cavity of the claw oil cylinder and the small cavity of the claw oil cylinder, between the large cavity of the locking oil cylinder and the small cavity of the locking oil cylinder, between the large cavity of the opening and closing oil cylinder and the small cavity of the opening and closing oil cylinder and between the large cavity of the push-pull oil cylinder and the small cavity of the push-pull oil cylinder.
Furthermore, the overturning oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve I, the translation oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve II, the claw oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve III, the locking oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve IV, the opening and closing oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve V, and the push-pull oil cylinder is connected into an oil inlet and an oil return port of the control valve group through a three-position four-way solenoid valve VI.
Furthermore, the overturning oil cylinders are provided with two groups, the two groups of overturning oil cylinders are connected in parallel, and a one-way balance valve I is arranged between a large cavity of each overturning oil cylinder and a small cavity of each overturning oil cylinder.
Furthermore, a one-way balance valve II is arranged between the large cavity of the translation oil cylinder and the small cavity of the translation oil cylinder.
Furthermore, the opening and closing oil cylinders are provided with two groups, the two groups of opening and closing oil cylinders are arranged in parallel, and a large cavity of each group of opening and closing oil cylinder is also connected with a flow distributing and collecting valve in series.
Furthermore, an electromagnetic unloading valve is arranged between an oil outlet of the gear pump and an oil inlet of the control valve group.
Furthermore, an oil return filter is arranged between an oil return port of the control valve group and the hydraulic oil tank.
The application also provides a control method of the hydraulic control system of the horizontal in-and-out shifting mechanism of the vertical pressing station, wherein a box body is in place before loading, a gear pump is driven by a motor to supply oil to a control valve group, when the box body is transversely placed into the shifting mechanism, YV5 is electrified, a three-position four-way electromagnetic valve II is positioned at a right station, a small cavity of a translation oil cylinder feeds oil, a cylinder rod of the translation oil cylinder retracts, and the box body is translated to the bottom of the shifting mechanism along with a turnover frame; subsequently, YV8 is electrified, the three-position four-way solenoid valve IV is positioned at a left station, oil is fed into a large cavity of the locking oil cylinder, a cylinder rod of the locking oil cylinder extends out, and the upper-layer locking pin shaft extends out of the fixed box body through the link mechanism; meanwhile, YV7 is electrified, the three-position four-way solenoid valve III is positioned at the right station, oil is fed into a small cavity of the claw oil cylinder, and a cylinder rod of the claw oil cylinder retracts to drive the claw to synchronously fix the box body; subsequently, YV3 is electrified, the three-position four-way solenoid valve I is positioned at the right station, oil is fed into a small cavity of the turnover oil cylinder, a cylinder rod of the turnover oil cylinder retracts, and the box body rotates to be in a vertical state along with the turnover frame; then YV13 is electrified, the three-position four-way solenoid valve VI is positioned at the right station, oil is fed into the small cavity of the push-pull oil cylinder, the cylinder rod of the push-pull oil cylinder retracts, and the shifting fork is driven to open the bolt of the box body; finally, YV10 is electrified, the three-position four-way electromagnetic valve V is positioned at the left station, oil is fed into the large cavity of the opening and closing oil cylinder, the cylinder rod of the opening and closing oil cylinder extends out to drive the box door to be opened, and the box body is vertically placed to be ready for receiving garbage;
after the compression of the garbage in the box body is finished, YV11 is electrified, the three-position four-way electromagnetic valve V is positioned at a right station, the small cavity of the opening and closing oil cylinder takes oil, and the cylinder rod of the opening and closing oil cylinder retracts to drive the box door to be closed; then, YV12 is electrified, the three-position four-way solenoid valve VI is positioned at a left station, oil is fed into a large cavity of the push-pull oil cylinder, a cylinder rod of the push-pull oil cylinder extends out, and a shifting fork is driven to close a box body bolt; then, YV2 is electrified, the three-position four-way solenoid valve I is positioned at the left station, oil is fed into the large cavity of the turnover oil cylinder, the cylinder rod of the turnover oil cylinder extends out, and the box body rotates to be in a horizontal state along with the turnover frame; subsequently, YV9 is electrified, the three-position four-way electromagnetic valve IV is positioned at the right station, oil is fed into a small cavity of the locking oil cylinder, a cylinder rod of the locking oil cylinder retracts, and the upper-layer locking pin shaft retracts through the link mechanism to loosen the box body; meanwhile, YV6 is electrified, the three-position four-way solenoid valve III is positioned at the left station, oil is fed into the large cavity of the claw oil cylinder, the cylinder rod of the claw oil cylinder extends out to drive the claw to extend out, and the box body is loosened; finally, YV4 is electrified, the three-position four-way solenoid valve II is positioned at the left station, oil is fed into the large cavity of the translation oil cylinder, the cylinder rod of the translation oil cylinder extends out, and the box body translates to the top of the displacement mechanism along with the roll-over stand; the box is transported away from the vertical pressing station.
The invention has the beneficial effects that: 1. the modular design under the requirement of high expansibility is adopted, and the control valve group is flexibly configured based on the number of stations; 2. flow and pressure protection are shared, and the action consistency of each station is ensured; 3. according to the characteristics of each action, the function superposition valve group is configured in a differentiation mode, and the functions of action stabilization, hovering, explosion prevention, speed reduction and synchronous action are achieved.
Drawings
FIG. 1 is a hydraulic schematic of the present invention;
FIG. 2 is a hydraulic schematic of the control valve assembly of the present invention;
FIG. 3 is a schematic view of the indexing mechanism of the present invention;
FIG. 4 is a schematic structural view of the fastening frame of the present invention;
FIG. 5 is a schematic view of the structure of the case of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic structural view of the roll-over stand of the present invention;
FIG. 8 is a schematic structural view of the upper layer of the roll-over stand of the present invention;
FIG. 9 is a schematic view of the structure of the lower layer of the roll-over stand of the present invention;
fig. 10 is a schematic structural view of the door opening mechanism of the present invention.
In the figure, 1, a motor, 2, a gear pump, 3, an electromagnetic unloading valve, 4, a control valve group, 4-1, a turnover oil cylinder, 4-2, three-position four-way solenoid valves I, 4-3, a translation oil cylinder, 4-4, three-position four-way solenoid valves II, 4-5, a claw oil cylinder, 4-6, three-position four-way solenoid valves III, 4-7, a locking oil cylinder, 4-8, three-position four-way solenoid valves IV, 4-9, an opening and closing oil cylinder, 4-10, three-position four-way solenoid valves V, 4-11, a push-pull oil cylinder, 4-12, three-position four-way solenoid valves VI, 5, one-way balance valves I, 6, a flow dividing and collecting valve, 7, an oil return filter, 8, a hydraulic oil tank, 9, one-way balance valves II, 11, a fixed frame, 12, a box body, 13, a turnover frame, 14, a door opening mechanism, 15 and a connecting pin shaft, 11-1 parts of fixed frame underframe, 11-2 parts of fixed frame inclined support, 11-3 parts of fixed frame vertical frame, 11-11 parts of underframe mounting seat, 11-12 parts of drain hole, 11-31 parts of oil cylinder mounting seat, 11-32 parts of pin shaft seat, 11-33 parts of vertical frame mounting seat, 12-1 parts of box underframe, 12-2 parts of pull rod, 12-3 parts of shaft hole, 12-4 parts of roller, 12-5 parts of locking pin shaft, 12-6 parts of telescopic pin shaft, 12-7 parts of sliding frame, 13-1 parts of turnover frame upper layer, 13-2 parts of turnover frame lower layer, 13-11 parts of upper layer steel frame, 13-12 parts of upper layer stop block, 13-13 parts of supporting roller, 13-14 parts of translation roller, 13-15 parts of upper layer mounting seat, 13-16 parts of connecting rod, 13-17 parts of connecting rod, 13-18 parts of upper-layer locking pin shaft, 13-19 parts of upper-layer support, 13-110 parts of upper-layer barrier strip, 13-111 parts of upper-layer sliding rod, 13-112 parts of upper-layer sliding support, 13-21 parts of hook claw, 13-22 parts of lower-layer steel frame, 13-23 parts of lower-layer barrier strip, 13-24 parts of lower-layer mounting seat, 13-25 parts of lower-layer pin shaft seat, 13-26 parts of lower-layer connecting frame, 14-1 parts of lower-layer mounting seat, 14-1 parts of door opening fixing frame, 14-2 parts of door opening pin shaft, 14-3 parts of opening and closing frame, 14-4 parts of shifting fork, 14-5 parts of door opening pin shaft and lug ring.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
As shown in fig. 3 to 10, the vertical pressing station horizontal in-out displacement mechanism comprises a fixed frame 11, a roll-over stand 13, a roll-over cylinder 4-1, a door opening mechanism 14 and a connecting pin 15, wherein the roll-over stand 13 is fixedly connected to the fixed frame 11, the fixed end of the roll-over cylinder 4-1 is mounted on the fixed frame 11, the telescopic end of the roll-over cylinder 4-1 is connected to the roll-over stand 13, a box body 12 is fixed on the roll-over stand 13, and the door opening mechanism 14 is fixed on the roll-over stand 13 to control a back door of the box body 12;
as shown in fig. 4, the fixing frame 11 comprises a fixing frame underframe 11-1, a fixing frame stand 11-3 and a fixing frame inclined support 11-2, an underframe mounting seat 11-11 fixed with foundation bolts of a civil engineering foundation is arranged below the fixing frame underframe 11-1, a stand mounting seat 11-33 fixed with the foundation bolts of the civil engineering foundation is arranged on the side surface of the fixing frame stand 11-3, a pin shaft seat 11-32 for connection and fixation is arranged on the upper layer of the fixing frame stand 11-3, the pin shaft seat 11-32 is hinged with a roll-over frame 13, and an oil cylinder mounting seat 11-31 for mounting a roll-over oil cylinder 4-1 is arranged on the fixing frame stand 11-3;
as shown in figures 7 to 9, the roll-over stand 13 is divided into an upper layer and a lower layer, and comprises a roll-over stand upper layer 13-1, a roll-over stand lower layer 13-2 and a translation oil cylinder 4-3, wherein the translation oil cylinder 4-3 connects an upper layer mounting seat 13-15 of the roll-over stand upper layer 13-1 with a lower layer mounting seat 13-26 of the roll-over stand lower layer 13-2, and the roll-over stand upper layer 13-1 and the roll-over stand lower layer 13-2 can slide in parallel.
As shown in figures 7 and 8, the upper layer 13-1 of the roll-over stand comprises an upper layer steel frame 13-11, an upper layer stop dog 13-12, a supporting roller 13-13, a translation roller 13-14, an upper layer mounting seat 13-15, a connecting rod 13-16, an upper layer locking pin 13-17, an upper layer support 13-18, an upper layer barrier strip 13-19, an upper layer sliding rod 13-110, an upper layer sliding support 13-111, a locking oil cylinder 4-7, a hook oil cylinder 4-5 and a hook 13-112, the lower layer 13-2 of the roll-over stand comprises a lower layer 13-21, a lower layer barrier strip 13-22, a lower layer mounting seat 13-23, a lower layer pin shaft seat 13-24, a lower layer connecting frame 13-25 and a lower layer mounting seat 13-26, and the lower layer barrier strip 13-22 of the lower layer 13-2 of the roll-over stand locks the upper layer 13-1 of the roll-over stand at the lower layer 13-13 In the middle of the-2, a lower-layer pin shaft seat 13-24 of the lower layer 13-2 of the roll-over stand and a pin shaft seat 11-32 on a fixed frame vertical stand 11-3 are hinged together through a connecting pin shaft 15, the telescopic end of a roll-over oil cylinder 4-1 is connected with a lower-layer mounting seat 13-23 of the lower layer 13-2 of the roll-over stand, the fixed end of the roll-over oil cylinder 4-1 is connected with an oil cylinder mounting seat 11-31 of the fixed frame vertical stand 11-3, and the roll-over oil cylinder 4-1 can drive the roll-over stand 13 and the box body 12 to turn over within the range of 90 degrees.
As shown in fig. 5 and 6, the container 12 is a compressed storage space for garbage, the container 12 includes a container base frame 12-1, a pull rod 12-2, a shaft hole 12-3, rollers 12-4, a locking pin 12-5, a telescopic pin 12-6 and a sliding frame 12-7, the locking pin 12-5, the telescopic pin 12-6 and the sliding frame 12-7 are disposed on a rear door of the container 12, specifically, the locking pin 12-5, the telescopic pin 12-6 and the sliding frame 12-7 are slidably connected with the rear door of the container 12, the locking pin 12-5 is hinged with the sliding frame 12-7 through a tripod, and the telescopic pin 12-6 is hinged with the sliding frame 12-7 through a connecting rod. The rear door of the box body 12 is used for feeding materials, the front door is provided with a hook ring, the hook ring is in butt joint with a pull arm hook transfer trolley, the shaft hole 12-3 is arranged on the bottom frame 12-1 of the box body, and the pull rod 12-2 is fixed on the bottom frame 12-1 of the box body.
The bottom of the upper steel frame 13-11 of the upper layer 13-1 of the roll-over stand is provided with a translation roller 13-14, and the translation roller 13-14 rolls on the upper part of the lower layer 13-2 of the roll-over stand. In the butt joint process of the box body 12 and the upper layer 13-1 of the roll-over stand, the hook claws 13-112 are turned down by the pushing of the hook claw oil cylinders 4-5, the contraction of the locking oil cylinders 4-7 contracts the upper layer locking pin shafts 13-17 at the front ends of the connecting rods 13-16, and a placing space of the box body 12 is reserved; then when the box body 12 is placed, the roller 12-4 at the bottom of the box body 12 is firstly contacted with the upper part of the upper steel frame 13-11, the upper layer stop block 13-12 and the supporting roller 13-13 enable the box body 12 to move towards the rear end along the linear direction until the roller 12-4 enters into the middle of the upper layer barrier strip 13-19 and the upper layer support 13-18, in order to enable the box body 12 and the turnover frame 13 to be firmly locked together, the upper layer locking pin shaft 13-17 needs to be penetrated into the shaft hole 12-3 of the box body 12, the shaft hole 12-3 of the box body 12 is smaller, in order to realize accurate butt joint, the claw cylinder 4-5 needs to be retracted to rotate the claw 13-112 upwards, the claw 13-112 drives the pull rod 12-2 at the bottom of the box body 12 to push the roller 12-4 of the box body 12 to be completely contacted with the upper layer support 13-18 of the turnover frame 13-1 tightly, the locking oil cylinders 4-7 extend to sequentially push the upper sliding rods 13-110, the connecting rods 13-16 and the upper locking pin shafts 13-17 to extend outwards, the upper locking pin shafts 13-17 penetrate into the shaft holes 12-3 of the box body 12, and the box body 12 and the roll-over stand 13 are firmly locked together.
After the box body 12 and the upper layer 13-1 of the roll-over stand are locked, the roll-over oil cylinder 4-1 turns over the box body 12 and the upper layer 13-1 of the roll-over stand, the translation oil cylinder 4-3 pushes the lower layer 13-2 of the roll-over stand to extend towards the rear end, so that the box body 12 is tightly attached to the bottom frame 11-1 of the fixed mount after descending, and a drain hole at the bottom of the box body 12 is butted with the drain hole 11-12 of the fixed mount.
As shown in figure 10, the door opening mechanism 14 comprises a door opening fixing frame 14-1, an opening and closing oil cylinder 4-9, a door opening pin shaft 14-2, an opening and closing frame 14-3, a push-pull oil cylinder 4-11, a shifting fork 14-4 and an ear ring 14-5, wherein the door opening fixing frame 14-1 is arranged on a lower layer connecting frame 13-25 of a lower layer 13-2 of the roll-over stand, the opening and closing frame 14-3 of the door opening mechanism 14 is connected with the door opening fixing frame 14-1 through the door opening pin shaft 14-2, one end of the opening and closing oil cylinder 4-9 is connected with the door opening fixing frame 14-1, and the other end is connected with the opening and closing frame 14-3. When the opening and closing cylinder 4-9 drives the opening and closing frame 14-3 to retract, the opening and closing frame 14-3 is attached to the rear door of the box body 12, the push-pull cylinder 4-11 is arranged on the opening and closing frame 14-3, the push-pull cylinder 4-11 is provided with the shifting fork 14-4, the shifting fork 14-4 is hinged and fixed with the sliding frame 12-7, the shifting fork 14-4 is driven by the push-pull cylinder 4-11 to pull the sliding frame 12-7 of the box body 12, the sliding frame 12-7 drives the locking pin shaft 12-5 of the box body 12 to retract, the telescopic pin shaft 12-6 extends out, the telescopic pin shaft 12-6 extends outwards and enters the ear ring 14-5 of the opening and closing mechanism 14, so that the rear door of the box body 12 and the opening and closing frame 14-3 are relatively fixed, and then the opening and closing frame 14-3 is driven by the opening and closing cylinder 4-9 to drive the rear door of the box body 12 to upwards turn over, the rear door of the case 12 is opened.
As shown in fig. 1 and 2, in the hydraulic control system of the vertical pressing station horizontal in-out shifting mechanism, an oil inlet of a gear pump 2 is communicated with a hydraulic oil tank 8, an oil outlet of the gear pump 2 is communicated with an oil inlet P of a control valve group 4, and an oil return port T of the control valve group 4 is communicated with the hydraulic oil tank 8; the control valve group 4 comprises a turnover oil cylinder 4-1, a translation oil cylinder 4-3, a claw oil cylinder 4-5, a locking oil cylinder 4-7, an opening and closing oil cylinder 4-9 and a push-pull oil cylinder 4-11; the overturning oil cylinder 4-1, the translation oil cylinder 4-3, the claw oil cylinder 4-5, the locking oil cylinder 4-7, the opening and closing oil cylinder 4-9 and the push-pull oil cylinder 4-11 are connected to an oil inlet and an oil return port of the control valve group 4 through corresponding three-position four-way electromagnetic valves; specifically, as shown in fig. 1, a turnover cylinder 4-1 is connected to an oil inlet and an oil return port of a control valve group 4 through a three-position four-way solenoid valve i 4-2, a translation cylinder 4-3 is connected to the oil inlet and the oil return port of the control valve group 4 through a three-position four-way solenoid valve ii 4-4, a claw cylinder 4-5 is connected to the oil inlet and the oil return port of the control valve group 4 through a three-position four-way solenoid valve iii 4-6, a locking cylinder 4-7 is connected to the oil inlet and the oil return port of the control valve group 4 through a three-position four-way solenoid valve iv 4-8, an opening cylinder 4-9 is connected to the oil inlet and the oil return port of the control valve group 4 through a three-position four-way solenoid valve v 4-10, and a push cylinder 4-11 is connected to the oil inlet and the oil return port of the control valve group 4 through a three-position four-way solenoid valve vi 4-12.
As shown in fig. 1 and 2, two-way hydraulic locks are arranged between the large cavity of the claw cylinder 4-5 and the small cavity of the claw cylinder 4-5, between the large cavity of the locking cylinder 4-7 and the small cavity of the locking cylinder 4-7, between the large cavity of the opening cylinder 4-9 and the small cavity of the opening cylinder 4-9, and between the large cavity of the push-pull cylinder 4-11 and the small cavity of the push-pull cylinder 4-11; the bidirectional hydraulic lock is used for the oil cylinder to play a self-locking role when the system does not supply oil to the oil cylinder. One-way throttle valves are arranged on an oil path leading to the large cavity of the locking oil cylinder 4-7, an oil path leading to the small cavity of the locking oil cylinder 4-7, an oil path leading to the large cavity of the opening and closing oil cylinder 4-9, an oil path leading to the small cavity of the opening and closing oil cylinder 4-9, an oil path leading to the large cavity of the push-pull oil cylinder 4-11 and an oil path leading to the small cavity of the push-pull oil cylinder 4-11, and the one-way throttle valves are used for adjusting the stretching speed of the oil cylinders.
As shown in fig. 1 and 2, the two groups of the turnover cylinders 4-1 are arranged in parallel, a one-way balance valve i 5 is arranged between a large cavity of each group of the turnover cylinders 4-1 and a small cavity of the turnover cylinder 4-1, and the one-way balance valve i 5 provides a supporting force for the turnover cylinder 4-1 to ensure the stable operation of the turnover cylinder.
As shown in fig. 1 and 2, a one-way balance valve ii 9 is arranged between the large cavity of the translation cylinder 4-3 and the small cavity thereof, and the one-way balance valve ii 9 provides a supporting force for the translation cylinder 4-3 to ensure stable operation thereof.
As shown in fig. 1 and 2, the opening and closing cylinders 4-9 are provided with two groups, the two groups of opening and closing cylinders 4-9 are arranged in parallel, and the large cavity of each group of opening and closing cylinders 4-9 is also connected in series with a flow dividing and collecting valve 6.
As shown in fig. 1, an electromagnetic unloading valve 3 is further arranged between an oil outlet of the gear pump 2 and an oil inlet of the control valve group 4. When the electromagnetic unloading valve 3 is in a normally closed state and YV1 is not electrified, hydraulic oil is unloaded to the hydraulic oil tank 8 through the spring cavity of the electromagnetic unloading valve 3. When the system works, YV1 is electrified, the electromagnetic unloading valve 3 builds pressure, and hydraulic oil enters the control valve group 4.
As shown in fig. 1, an oil return filter 7 is disposed between an oil return port of the control valve group 4 and a hydraulic oil tank 8, and the oil return filter 7 is used for filtering impurities in hydraulic oil.
The application also provides a control method of the hydraulic control system of the horizontal in-and-out shifting mechanism of the vertical pressing station, as shown in fig. 1-10, a box body 12 is in place before loading, a gear pump 2 is driven by a motor 1 to supply oil to a control valve group 4, when the box body 12 is transversely placed into the shifting mechanism, YV5 is electrified, a three-position four-way electromagnetic valve II 4-4 is positioned at a right station, oil is fed into a small cavity of a translation oil cylinder 4-3, a cylinder rod of the translation oil cylinder 4-3 retracts, and the box body 12 is translated to the bottom of the shifting mechanism along with a turnover frame 13; subsequently, YV8 is electrified, the three-position four-way electromagnetic valve IV 4-8 is positioned at the left station, the large cavity of the locking oil cylinder 4-7 is filled with oil, the rod of the locking oil cylinder 4-7 extends out, meanwhile, YV7 is electrified, the three-position four-way electromagnetic valve III 4-6 is positioned at the right station, the small cavity of the claw oil cylinder 4-5 is filled with oil, the claw oil cylinder 4-5 retracts to enable the claw 13-112 to rotate upwards, the claw 13-112 drives the pull rod 12-2 at the bottom of the box body 12 to push the roller 12-4 of the box body 12 to be completely in close contact with the upper layer bracket 13-18 of the upper layer 13-1 of the turnover frame, the locking oil cylinder 4-7 extends to sequentially push the upper layer sliding rod 13-110, the connecting rod 13-16 and the upper layer locking pin shaft 13-17 to extend outwards, the upper layer locking pin shaft 13-17 is inserted into the shaft hole 12-3 of the box body 12, the box 12 and the roll-over stand 13 are locked firmly together. Subsequently, YV3 is electrified, the three-position four-way solenoid valve I4-2 is positioned at the right station, oil is fed into the small cavity of the turnover oil cylinder 4-1, the cylinder rod of the turnover oil cylinder 4-1 retracts, and the box body 12 rotates to be in a vertical state along with the turnover frame 13; then YV13 is electrified, the three-position four-way electromagnetic valve VI 4-12 is located at the right station, oil is fed into a small cavity of the push-pull oil cylinder 4-11, a cylinder rod of the push-pull oil cylinder 4-11 retracts, the shifting fork 14-4 pulls the sliding frame 12-7 of the box body 12 under the driving of the push-pull oil cylinder 4-11, the sliding frame 12-7 drives the locking pin shaft 12-5 of the box body 12 to retract, the telescopic pin shaft 12-6 extends out, the telescopic pin shaft 12-6 extends outwards and enters an ear ring 14-5 of the door opening mechanism 14, finally, YV10 is electrified, the three-position four-way electromagnetic valve V4-10 is located at the left station, oil is fed into a large cavity of the opening-closing oil cylinder 4-9, a cylinder rod of the opening-closing oil cylinder 4-9 extends out to drive a box door of the box body 12 to open, and the box body 12 is vertically placed to receive garbage.
After the compression of the garbage in the box body is finished, YV11 is electrified, the three-position four-way electromagnetic valve V4-10 is positioned at the right station, oil is fed into a small cavity of the opening and closing oil cylinder 4-9, and a cylinder rod of the opening and closing oil cylinder 4-9 retracts to drive the box door to be closed; subsequently, YV12 is electrified, the three-position four-way electromagnetic valve VI 4-12 is positioned at a left station, oil is fed into a large cavity of the push-pull oil cylinder 4-11, a cylinder rod of the push-pull oil cylinder 4-11 extends out, the shifting fork 14-4 pushes the sliding frame 12-7 of the box body 12 under the driving of the push-pull oil cylinder 4-11, the sliding frame 12-7 drives the locking pin shaft 12-5 of the box body 12 to extend out, the telescopic pin shaft 12-6 retracts, and the box door of the box body 12 is locked; then, YV2 is electrified, the three-position four-way electromagnetic valve I4-2 is positioned at the left station, oil is fed into the large cavity of the turnover oil cylinder 4-1, the cylinder rod of the turnover oil cylinder 4-1 extends out, and the box body 12 rotates to be in a horizontal state along with the turnover frame 13; subsequently, YV9 is electrified, the three-position four-way electromagnetic valve IV 4-8 is positioned at the right station, oil is fed into the small cavity of the locking oil cylinder 4-7, the cylinder rod of the locking oil cylinder 4-7 retracts, and the upper locking pin shaft 13-17 retracts through the upper sliding rod 13-110 and the connecting rod 13-16 to loosen the box body 12; meanwhile, YV6 is electrified, the three-position four-way electromagnetic valve III 4-6 is positioned at the left station, oil is fed into the large cavity of the claw oil cylinder 4-5, the cylinder rod of the claw oil cylinder 4-5 extends out, the claw 13-112 is driven to turn downwards, and the box body 12 is loosened; finally, YV4 is electrified, the three-position four-way solenoid valve II 4-4 is positioned at the left station, oil is fed into the large cavity of the translation oil cylinder 4-3, the cylinder rod of the translation oil cylinder 4-3 extends out, and the box body 12 translates to the top of the displacement mechanism along with the upper layer 13-1 of the roll-over stand; the box 12 is transported away from the vertical pressing station.
The control valve bank is used for a shifting mechanism, if the number of the shifting mechanisms in the vertical pressing station is large, the same expansion valve block can be directly added on the original valve bank, the expansion capability is strong, and the installation is convenient and fast.
Claims (8)
1. The utility model provides a vertical pressure station tie advances horizontal play position changing mechanism hydraulic control system which characterized in that: an oil inlet of the gear pump (2) is communicated with a hydraulic oil tank (8), an oil outlet of the gear pump (2) is communicated with an oil inlet of the control valve group (4), and an oil return port of the control valve group (4) is communicated with the hydraulic oil tank (8); the control valve group (4) comprises a turnover oil cylinder (4-1), a translation oil cylinder (4-3), a claw oil cylinder (4-5), a locking oil cylinder (4-7), an opening and closing oil cylinder (4-9) and a push-pull oil cylinder (4-11); the overturning oil cylinder (4-1), the translation oil cylinder (4-3), the claw oil cylinder (4-5), the locking oil cylinder (4-7), the opening and closing oil cylinder (4-9) and the push-pull oil cylinder (4-11) are connected to an oil inlet and an oil return port of the control valve group (4) through corresponding three-position four-way electromagnetic valves; bidirectional hydraulic locks are arranged between the large cavity of the claw oil cylinder (4-5) and the small cavity of the claw oil cylinder (4-5), between the large cavity of the locking oil cylinder (4-7) and the small cavity of the locking oil cylinder (4-7), between the large cavity of the opening oil cylinder (4-9) and the small cavity of the opening oil cylinder (4-9) and between the large cavity of the push-pull oil cylinder (4-11) and the small cavity of the push-pull oil cylinder (4-11).
2. The hydraulic control system of the vertical pressing station horizontal in-and-out shifting mechanism according to claim 1, characterized in that: the overturning oil cylinder (4-1) is connected into an oil inlet and an oil return port of the control valve group (4) through a three-position four-way electromagnetic valve I (4-2), the translation oil cylinder (4-3) is connected into the oil inlet and the oil return port of the control valve group (4) through a three-position four-way electromagnetic valve II (4-4), the claw oil cylinder (4-5) is connected into the oil inlet and the oil return port of the control valve group (4) through a three-position four-way electromagnetic valve III (4-6), the locking oil cylinder (4-7) is connected into the oil inlet and the oil return port of the control valve group (4) through a three-position four-way electromagnetic valve IV (4-8), the opening oil cylinder (4-9) is connected into the oil inlet and the oil return port of the control valve group (4) through a three-position four-way electromagnetic valve V (4-10), and the push-pull oil cylinder (4-11) is connected into the oil inlet and the oil return port of the control valve group (4) through a three-position four-way electromagnetic valve VI (4-12).
3. The hydraulic control system of the vertical pressing station horizontal in-and-out shifting mechanism according to claim 1, characterized in that: the overturning oil cylinders (4-1) are arranged in two groups, the two groups of overturning oil cylinders (4-1) are arranged in parallel, and a one-way balance valve I (5) is arranged between a large cavity of each group of overturning oil cylinder (4-1) and a small cavity of the overturning oil cylinder.
4. The hydraulic control system of the vertical pressing station horizontal in-and-out shifting mechanism according to claim 1, characterized in that: a one-way balance valve II (9) is arranged between the large cavity of the translation oil cylinder (4-3) and the small cavity of the translation oil cylinder.
5. The hydraulic control system of the vertical pressing station horizontal in-and-out shifting mechanism according to claim 1, characterized in that: the opening and closing oil cylinders (4-9) are provided with two groups, the two groups of opening and closing oil cylinders (4-9) are arranged in parallel, and the large cavity of each group of opening and closing oil cylinders (4-9) is also connected with a flow distributing and collecting valve (6) in series.
6. The hydraulic control system of the vertical pressing station horizontal in-out shifting mechanism according to any one of claims 1 to 5, wherein: an electromagnetic unloading valve (3) is further arranged between an oil outlet of the gear pump (2) and an oil inlet of the control valve group (4).
7. The hydraulic control system of the vertical pressing station horizontal in-out shifting mechanism according to any one of claims 1 to 5, wherein: and an oil return filter (7) is arranged between an oil return port of the control valve group (4) and the hydraulic oil tank (8).
8. A control method of the hydraulic control system of the vertical pressing station horizontal in-out shifting mechanism, which adopts the method as claimed in claim 2, is characterized in that: before loading, the box body is in place, the gear pump (2) is driven by the motor (1) to supply oil to the control valve group (4), when the box body is transversely placed into the position changing mechanism, YV5 is electrified, the three-position four-way electromagnetic valve II (4-4) is positioned at the right station, a small cavity of the translation oil cylinder (4-3) is filled with oil, a cylinder rod of the translation oil cylinder (4-3) retracts, and the box body is translated to the bottom of the position changing mechanism along with the turnover frame; subsequently, YV8 is electrified, the three-position four-way solenoid valve IV (4-8) is positioned at a left station, oil is fed into a large cavity of the locking oil cylinder (4-7), a cylinder rod of the locking oil cylinder (4-7) extends out, and the upper-layer locking pin shaft extends out of the fixed box body through the link mechanism; meanwhile, YV7 is electrified, the three-position four-way solenoid valve III (4-6) is positioned at the right station, oil is fed into a small cavity of the claw oil cylinder (4-5), and a cylinder rod of the claw oil cylinder (4-5) retracts to drive a claw, so that the box body is synchronously fixed; subsequently, YV3 is electrified, the three-position four-way solenoid valve I (4-2) is positioned at the right station, oil is fed into the small cavity of the turnover oil cylinder (4-1), the cylinder rod of the turnover oil cylinder (4-1) retracts, and the box body rotates to be in a vertical state along with the turnover frame; then, YV13 is electrified, the three-position four-way solenoid valve VI (4-12) is positioned at the right station, oil is fed into the small cavity of the push-pull oil cylinder (4-11), the cylinder rod of the push-pull oil cylinder (4-11) retracts, and the shifting fork is driven to open the bolt of the box body; finally, YV10 is electrified, the three-position four-way solenoid valve V (4-10) is positioned at the left station, the large cavity of the opening and closing oil cylinder (4-9) takes oil, the cylinder rod of the opening and closing oil cylinder (4-9) extends out to drive the box door to be opened, and the box body is vertically placed at the moment to be ready for receiving garbage;
after the compression of the garbage in the box body is finished, YV11 is electrified, the three-position four-way electromagnetic valve V (4-10) is positioned at the right station, oil is fed into a small cavity of the opening and closing oil cylinder (4-9), and a cylinder rod of the opening and closing oil cylinder (4-9) retracts to drive a box door to be closed; subsequently, YV12 is electrified, the three-position four-way solenoid valve VI (4-12) is positioned at a left station, oil is fed into a large cavity of the push-pull oil cylinder (4-11), a cylinder rod of the push-pull oil cylinder (4-11) extends out, and a shifting fork is driven to close a box body bolt; then, YV2 is electrified, the three-position four-way solenoid valve I (4-2) is positioned at the left station, oil is fed into the large cavity of the turnover oil cylinder (4-1), the cylinder rod of the turnover oil cylinder (4-1) extends out, and the box body rotates to be in a horizontal state along with the turnover frame; subsequently, YV9 is electrified, the three-position four-way solenoid valve IV (4-8) is positioned at the right station, oil is fed into the small cavity of the locking oil cylinder (4-7), the cylinder rod of the locking oil cylinder (4-7) retracts, and the upper locking pin shaft retracts through the link mechanism to loosen the box body; meanwhile, YV6 is electrified, the three-position four-way solenoid valve III (4-6) is positioned at the left station, oil is fed into the large cavity of the claw oil cylinder (4-5), the cylinder rod of the claw oil cylinder (4-5) extends out, the claw is driven to extend out, and the box body is loosened; finally, YV4 is electrified, the three-position four-way solenoid valve II (4-4) is positioned at the left station, oil is fed into the large cavity of the translation oil cylinder (4-3), the cylinder rod of the translation oil cylinder (4-3) extends out, and the box body translates to the top of the displacement mechanism along with the roll-over stand; the box is transported away from the vertical pressing station.
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| CN202210170698.6A CN114233710B (en) | 2022-02-24 | 2022-02-24 | Hydraulic control system and control method for horizontal-in and horizontal-out shifting mechanism of vertical pressing station |
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| CN202210170698.6A CN114233710B (en) | 2022-02-24 | 2022-02-24 | Hydraulic control system and control method for horizontal-in and horizontal-out shifting mechanism of vertical pressing station |
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