CN215370393U - Grate cooler hydraulic control system based on magnetic grid ruler - Google Patents
Grate cooler hydraulic control system based on magnetic grid ruler Download PDFInfo
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- CN215370393U CN215370393U CN202121540414.5U CN202121540414U CN215370393U CN 215370393 U CN215370393 U CN 215370393U CN 202121540414 U CN202121540414 U CN 202121540414U CN 215370393 U CN215370393 U CN 215370393U
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Abstract
The utility model provides a grate cooler hydraulic control system based on a magnetic grid ruler, which comprises: a plurality of subunits arranged in parallel; wherein each subunit comprises: the device comprises a unit oil station, a hydraulic oil cylinder and a magnetic grid ruler arranged on the hydraulic oil cylinder; each unit oil station comprises a servo driving module, a servo motor, a gear pump and an oil circulating module; the servo motor drives the gear pump, and the outlet of the gear pump is connected with the hydraulic oil cylinder; the inlet of the gear pump is connected with the oil liquid circulation module; the servo driving module is respectively connected with the servo motor and the magnetic grid ruler. Each subunit can work independently, and only the fault part can be maintained without stopping when the fault occurs. The position of the oil cylinder can be fed back by adopting the magnetic grid ruler, so that synchronous control is realized.
Description
Technical Field
The utility model relates to the technical field of hydraulic control, in particular to a grate cooler hydraulic control system based on a magnetic grid ruler.
Background
At present, in the existing cement production field at home and abroad, the grate cooler undertakes the links of continuously conveying and cooling clinker, a hydraulic driving system adopted by a grate bed movable grate plate of the grate cooler at present generally comprises a hydraulic pump, a proportional valve, a reversing valve, a pipeline, a hydraulic cylinder and other complex hardware frameworks, and a set of pump station supplies driving power of each hydraulic cylinder. Under the condition, once a hydraulic cylinder shunt system has a fault, the whole hydraulic drive system must be stopped for maintenance, so that the production efficiency is seriously influenced, and the maintenance cost is increased. And the whole hydraulic control system adopts precise hydraulic control elements such as a hydraulic pump, a proportional valve and the like, and when impurities and the like appear in hydraulic oil, faults such as inaccurate control, control failure and the like are easily caused. In addition, because the hydraulic cylinders cannot feed back the position of the operation process, the hydraulic cylinders cannot realize real synchronization, so that the grid plates and the connecting pieces thereof are subjected to pulling forces in different directions, and the grid plates and the connecting pieces thereof are easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic control system of a grate cooler based on a magnetic grid ruler, which can effectively solve the problems.
The utility model is realized by the following steps:
a grate cooler hydraulic control system based on magnetic grid ruler comprises:
a plurality of subunits arranged in parallel; wherein each subunit comprises: the device comprises a unit oil station, a hydraulic oil cylinder and a magnetic grid ruler arranged on the hydraulic oil cylinder; each unit oil station comprises a servo driving module, a servo motor, a gear pump and an oil circulating module; the servo motor drives the gear pump, and the outlet of the gear pump is connected with the hydraulic oil cylinder; the inlet of the gear pump is connected with the oil liquid circulation module; the servo driving module is respectively connected with the servo motor and the magnetic grid ruler.
As a further improvement, the hydraulic control system is connected to an industrial personal computer system, the industrial personal computer system comprises an industrial personal computer and a shunt switch power supply connected with the industrial personal computer, the shunt switch power supply is respectively connected to each subunit, and each subunit independently provides a working power supply.
As a further improvement, each subunit is connected in parallel and is connected to the industrial personal computer through an Ethernet bus.
The utility model has the beneficial effects that:
the utility model provides a grate cooler hydraulic control system based on magnetic grid rulers. Each subunit is provided with an independent oil way, each oil cylinder is independently controlled, the downtime during the failure can be reduced, even the shutdown can be avoided, only part of parts can be adjusted, and the production efficiency is increased. And the unit type oil station can be quickly replaced, and the switching time is greatly shortened.
The servo motor is adopted, the flow of the oil pump is controlled through the rotating speed of the servo motor, the pressure and the flow of hydraulic oil are accurately controllable, the buffer effect is achieved when the oil cylinder is reversed, the reversing with low impact or even no impact can be achieved, and the service lives of the oil cylinder and an oil way are prolonged.
The gear pump is a constant delivery pump, and the fault rate is low, and maintains the convenience.
The magnetic grid ruler is arranged on the hydraulic cylinder, the position of the hydraulic cylinder in the operation process is detected through the magnetic grid ruler, and the position is fed back to the servo driving module to control the flow compensation position by controlling the rotating speed of the servo motor, so that the synchronous control of the hydraulic cylinders in the subunits is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a hydraulic control system of a grate cooler provided by an embodiment of the utility model.
Fig. 2 is a schematic connection structure diagram of a hydraulic control system of a grate cooler provided by the embodiment of the utility model.
The system comprises a 1-subunit, a 11-unit oil station, a 11a-1# unit oil station, a 11b-2# unit oil station, a 11c-3# unit oil station, a 11a '-first power supply shunt circuit, a 11 b' -second power supply shunt circuit, a 11c '-third power supply shunt circuit, a 11 a' -first Ethernet bus, a 11b '-second Ethernet bus, a 11 c' -third Ethernet bus, a 111-servo drive module, a 112-servo motor, a 113-gear pump, a 114-oil circulation module, a 12-hydraulic oil cylinder, a 13-magnetic grid ruler and a 2-industrial personal computer system.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a hydraulic control system of a grate cooler based on a magnetic grid ruler comprises:
a plurality of subunits 1 arranged in parallel, each of which works independently; wherein each subunit 1 comprises: the device comprises a unit oil station 11, a hydraulic oil cylinder 12 and a magnetic grid ruler 13 arranged on the hydraulic oil cylinder 12; each unit oil station 11 comprises a servo driving module 111, a servo motor 112, a gear pump 113 and an oil circulating module 114; the servo motor 112 drives the gear pump 113, and an outlet of the gear pump 113 is connected with the hydraulic oil cylinder 12; the inlet of the gear pump 113 is connected with the oil liquid circulation module 114; the servo driving module 111 is respectively connected to the servo motor 112 and the magnetic scale 13.
Hydraulic control system is connected to industrial computer system 2, industrial computer system 2 is connected to the main power supply, industrial computer system 2 include the industrial computer and with the branch switch power supply that the industrial computer is connected, branch switch power supply is connected to each respectively subunit 1, for each subunit 1 provides working power supply alone. Each subunit 1 is connected in parallel in a communication connection mode and is connected to the industrial personal computer through an Ethernet bus.
In this embodiment, referring to fig. 2, a connection situation of the hydraulic control system is described below, in practice, the unit oil station includes multiple sets, 3 sets are used in this embodiment, the unit oil station 11 includes # 1 unit oil station 11a, # 2 unit oil station 11b, and # 3 unit oil station 11c, and power supply branches of each unit oil station 11 and the industrial personal computer system are defined as a first power supply branch 11a ', a second power supply branch 11b ', and a third power supply branch 11c ', respectively, and power supply of each unit oil station 11 is independent, so that non-stop maintenance of equipment can be realized, that is, when a certain subunit fails, only a branch power supply of this subunit needs to be cut off for maintenance, and other subunits can continue to operate normally. And each subunit is provided with an independent oil way, and each oil cylinder is independently controlled, so that the downtime during the fault can be reduced, even the part adjustment can be carried out without the shutdown, the production efficiency is increased, and the maintenance cost is greatly reduced. The unit type oil station can realize quick replacement and greatly shorten the switching time.
In this embodiment, referring to fig. 2, an ethernet connection bus between each unit oil station 11 and the industrial personal computer is defined as a first ethernet bus 11a ", a second ethernet bus 11 b", and a third ethernet bus 11c ", each unit oil station 11 is connected to the industrial personal computer through a set of network cables, the industrial personal computer independently sends set working parameters to each unit oil station 11, and various working parameters of each subunit 1 can be obtained through the ethernet bus. The industrial personal computer is further connected to a central control system, such as a host computer.
The working principle is as follows: the industrial computer system is connected with a plurality of subunits, and each subunit comprises an independent servo driving module, a servo motor, a gear pump, an oil circulating module, a hydraulic cylinder and a magnetic grid ruler arranged on the hydraulic cylinder. The required working parameters are input into the industrial personal computer and transmitted to the oil stations 11 of each unit through an Ethernet bus, and the servo driving module 111 controls the flow of the gear pump 113 by controlling the rotating speed of the servo motor 112, so that the speed of the hydraulic oil cylinder 12 is controlled. In the working process, the position of the hydraulic oil cylinder 12 is detected through the magnetic grid ruler 13 and fed back to the servo driving module 111, and the servo driving module 111 changes the rotating speed of the servo motor 112 to control the flow compensation position, so that the synchronous control of each hydraulic oil cylinder 12 is realized.
The magnetic grid ruler 13 is a linear displacement sensor, can monitor the initial position, the process position and the speed of the hydraulic oil cylinder 12 in real time, accurately feed back the working state, ensure the synchronous accurate control of multiple cylinders and reduce the reactive actions such as mutual dragging in the multi-cylinder linkage process; meanwhile, by real-time position feedback and the characteristic that the servo motor 112 can control the rotating speed through current and voltage, the working position of each hydraulic oil cylinder 12 is adjusted in time, the acceleration and deceleration planning is carried out, the low-impact reversing is realized, the running process is more stable, the oil pipe is prevented from bursting during reversing, and the service lives of a grate bed connecting piece, the hydraulic oil cylinders and an oil way are prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a cold quick-witted hydraulic control system of comb based on magnetic grid chi which characterized in that includes:
a plurality of subunits arranged in parallel;
wherein each subunit comprises: the device comprises a unit oil station, a hydraulic oil cylinder and a magnetic grid ruler arranged on the hydraulic oil cylinder; each unit oil station comprises a servo driving module, a servo motor, a gear pump and an oil circulating module; the servo motor drives the gear pump, and the outlet of the gear pump is connected with the hydraulic oil cylinder; the inlet of the gear pump is connected with the oil liquid circulation module; the servo driving module is respectively connected with the servo motor and the magnetic grid ruler.
2. The hydraulic control system of the grate cooler based on the magnetic grid ruler as claimed in claim 1, wherein the hydraulic control system is connected to an industrial personal computer system, the industrial personal computer system comprises an industrial personal computer and a shunt switch power supply connected with the industrial personal computer, the shunt switch power supply is connected to each subunit respectively, and the shunt switch power supply provides a working power supply for each subunit independently.
3. The hydraulic control system of the grate cooler based on the magnetic grid ruler as claimed in claim 2, wherein each subunit is connected in parallel and is connected to the industrial personal computer through an Ethernet bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540414.5U CN215370393U (en) | 2021-07-07 | 2021-07-07 | Grate cooler hydraulic control system based on magnetic grid ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540414.5U CN215370393U (en) | 2021-07-07 | 2021-07-07 | Grate cooler hydraulic control system based on magnetic grid ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370393U true CN215370393U (en) | 2021-12-31 |
Family
ID=79607674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540414.5U Active CN215370393U (en) | 2021-07-07 | 2021-07-07 | Grate cooler hydraulic control system based on magnetic grid ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370393U (en) |
-
2021
- 2021-07-07 CN CN202121540414.5U patent/CN215370393U/en active Active
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