CN203187348U - Hydraulic synchronous lifting device - Google Patents
Hydraulic synchronous lifting device Download PDFInfo
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- CN203187348U CN203187348U CN 201320137235 CN201320137235U CN203187348U CN 203187348 U CN203187348 U CN 203187348U CN 201320137235 CN201320137235 CN 201320137235 CN 201320137235 U CN201320137235 U CN 201320137235U CN 203187348 U CN203187348 U CN 203187348U
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- oil cylinder
- pumping plant
- controller
- lifting device
- claw
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Abstract
The utility model discloses a hydraulic synchronous lifting device which comprises a plurality of oil cylinders, a plurality of oil cylinder controllers used for collecting displacement synchronous signals or load synchronous signals of the oil cylinders, a plurality of pump station controllers and an industrial personal computer. Each oil cylinder controller is connected with one of the oil cylinders through a cable. Each pump station controller controls at least one of the oil cylinder controllers through the Ethernet so as to receive the displacement synchronous signals or the load synchronous signals. The industrial personal computer is connected with the pump station controllers through a concentrator so as to send displacement signals or load signals in a main order oil cylinder of the oil cylinders to the pump station controllers so that displacement of pistons in the oil cylinders can be controlled. According to the hydraulic synchronous lifting device, a controlling network is formed among the oil cylinders, between the oil cylinders and the pump stations, and among the pump stations through the Ethernet, all data are transmitted and shared through the network, and on-spot line connection is facilitated.
Description
Technical field
The utility model is about the hydraulic pressure lift technology, concretely, is about a kind of hydraulic synchronizing lifting device.
Background technology
Along with the development of construction industries such as electric power, metallurgy, petrochemical industry, building, hydraulic lifting apparatus in especially big heavy part and buildings or structures installation in occupation of very important position.
Install for the lifting of large-sized structural parts, a plurality of suspension centres need be set, namely need nearly tens, dozens or even hundreds of oil cylinder works simultaneously.And at present traditional hydraulic lift system control scale is limited, only can be suitable for the less lifting project of suspension centre, is difficult to adapt to extensive, many suspension centres and promotes the required requirements such as cluster control of engineering.In addition, existing hydraulic lift system is various in the signal cable wiring between pumping plant and the hydraulic actuating cylinder, between pumping plant and the pumping plant, puts to no little inconvenience in promoting on-the-spot complicated harsh environment, and has influenced reliability and the safety of elevator system.
In addition, when using hydraulic lift system to promote weight, the synchro control of hydraulic actuating cylinder motion is extremely important.As asynchronous, then be prone to inclination and the unbalance stress of suspended object, there is great potential safety hazard, also can reduce service life and the load-carrying capacity of equipment simultaneously.
The utility model content
The utility model provides a kind of hydraulic synchronizing lifting device, and the complicated wiring in, many suspension centres elevator system extensive to reduce between pumping plant and oil cylinder and pumping plant and the pumping plant realizes the synchronous lifting control of a plurality of oil cylinders.
To achieve these goals, the utility model provides a kind of hydraulic synchronizing lifting device, and described hydraulic synchronizing lifting device comprises: a plurality of oil cylinders, be used for to gather displacement synchronous signal or a plurality of oil cylinder controllers of load synchronizing signal, a plurality of pumping plant controller and the industrial computer of described oil cylinder; Each described oil cylinder controller connects one of them described oil cylinder by cable; Each described pumping plant controller connects at least one described oil cylinder controller by ethernet, to receive described displacement synchronous signal or load synchronizing signal; Described industrial computer connects described pumping plant controller by concentrator, makes the displacement signal of oil cylinder or load signal send to described pumping plant controller with main in the described oil cylinder, to control the apportioning valve of described oil cylinder.
Further, be provided with fuel tank in the described pumping plant controller, connect described oil pipe.
Further, each described pumping plant controller connects two or four described oil cylinders by described oil pipe.
Further, described hydraulic synchronizing lifting device also comprises: first claw is fixed on the upper blocking seat of described piston, and is electrically connected described oil cylinder controller; Second claw is fixed on the following deck of described oil cylinder bottom surface, and is electrically connected described oil cylinder controller.
Further, described first claw is made of the intermediate plate of multi-disc taper.
Further, described second claw is made of the intermediate plate of multi-disc taper.
Further, described fuel tank is provided with the apportioning valve of delivery quality in the described oil pipe of control.
The beneficial effects of the utility model are, after using hydraulic synchronizing lifting device of the present utility model, between oil cylinder and the oil cylinder, between oil cylinder and the pumping plant, formed a control network by Industrial Ethernet between pumping plant and the pumping plant, all data are all transmitted and are shared by this network, greatly facilitate field wiring.
Hydraulic lift system of the present utility model has configuration and configurability preferably, when hardware annexations such as pumping plant, oil cylinder change, only need to finish predetermined function by carry out simple parameters modification (as each control station IP, oil cylinder pumping plant subordinate relation etc.) at master controller.
By the co-operation of master controller and each pumping plant controller, each oil cylinder controller, can realize displacement synchronous, load synchronously, promote various control strategy such as group's composite sync control, improve whole control accuracy and performance.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the hydraulic synchronizing lifting device of the utility model embodiment;
Fig. 2 is claw and the connection structure scheme drawing thereof of the utility model embodiment;
Fig. 3 is the claw structure scheme drawing of the utility model embodiment;
Fig. 4 is the displacement synchronous control realization flow figure of the utility model embodiment;
Fig. 5 is the lifting group configuration scheme drawing of the utility model embodiment;
Fig. 6 is the load synchro control realization flow figure of the utility model embodiment;
Fig. 7 is the lifting group composite sync control realization flow figure of the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of hydraulic synchronizing lifting device, and this hydraulic synchronizing lifting device comprises: a plurality of oil cylinders (S1 to Sn among Fig. 1), a plurality of oil cylinder controller (A1 to An among Fig. 1), a plurality of pumping plant controller (B1 to Bn among Fig. 1) and industrial computer 101.
The number of oil cylinder equates with the number of oil cylinder controller among Fig. 1, each oil cylinder controller connects one of them oil cylinder by cable, oil cylinder S1 connects oil cylinder one controller A1, oil cylinder S2 connects oil cylinder two controller A2 ... oil cylinder Sn-1 connects oil cylinder N-1 controller An-1, and oil cylinder Sn-1 connects oil cylinder N controller An.
Each pumping plant controller connects at least one above-mentioned oil cylinder controller by ethernet, and in a preferred embodiment, each pumping plant controller connects two or four above-mentioned oil cylinder controllers by ethernet.
Being provided with fuel tank in the pumping plant controller, is the oil cylinder fuel feeding by oil pipe, and each pumping plant controller can connect two or four oil cylinders by oil pipe, and one of them oil cylinder need connect the pumping plant controller by two oil pipes.
Preferably, fuel tank is provided with the apportioning valve of delivery quality in the control oil pipe, and the aperture of resize ratio valve can be controlled the speed that oil cylinder promotes weight.
As shown in Figure 2, hydraulic synchronizing lifting device of the present utility model also comprises two claws up and down, and wherein, top claw 201 is electrically connected the oil cylinder controller, and is fixed on the oil cylinder inner carrier by upper blocking seat assembly 202; Following claw 203 is fixed on the bottom surface of oil cylinder by following deck assembly 204, and is electrically connected the oil cylinder controller.Claw 201 and claw 203 are used for blocking the steel strand 210 that hang up weight, and claw hydraulic actuating cylinder 205 and claw hydraulic actuating cylinder 206 are respectively applied to control engaging and the separation of claw 201 and 203 pairs of steel strand 210 of claw.
When promoting weight, the oil cylinder controller is controlled claw 201 and claw 203 by the control signal that signal wire (SW) reception pumping plant controller transmits.At first, claw 201 blocks steel strand 210, and claw 203 separates with steel strand 210, and the oil in the fuel tank makes the oil cylinder inner carrier move up by the bottom of oil pipe 208 injection oil cylinders, and claw 201 engages with steel strand 210, moves up together with piston.When piston moves to main hydraulic cylinder 207 tops, claw 203 blocks steel strand, claw 201 separates with steel strand 210, oil in the fuel tank injects the top of oil cylinder by oil pipe 209, make the oil cylinder inner carrier move down, when piston moves to main hydraulic cylinder 207 bottoms, claw 201 blocks steel strand 210, claw 203 separates with steel strand 210, oil in the fuel tank injects the bottom of oil cylinder by oil pipe, make the oil cylinder inner carrier move up, claw 201 engages with steel strand 210, moves up together with piston.So claw 201 cooperates repeatedly with claw 203, and weight is risen to predetermined altitude.
As shown in Figure 3, claw 201 and claw 203 constitute (generally being made of three intermediate plates) by the intermediate plate 301 of multi-disc taper, and claw 201 and claw 203 are fixed on the different master jaw assemblies 303 by screw 302 respectively.In addition, be equipped with O type circle 304 on claw 201 and the claw 203, claw 201 and claw 203 also are provided with claw state sensor (scheming not shown), open and closed condition to detect claw.
As shown in Figure 1, hydraulic synchronizing lifting device of the present utility model can be divided into four-layer structure, be followed successively by from top to bottom among the figure: actuating unit layer, oil cylinder controller layer, pumping plant controller layer and master controller layer.The layer at mechanical device such as oil cylinder and claw place is the actuating unit layer, is the control object of hydraulic synchronizing lifting device.
The layer at oil cylinder controller place is called the oil cylinder key-course, the oil cylinder controller layer is made of the PLC of supporting industry Ethernet protocol, finish oil cylinder piston displacement, oil cylinder upper and lower cavity pressure, the claw collection of signal such as put in place, and by Industrial Ethernet and the communication of pumping plant controller.
The layer at pumping plant controller place is called the pumping plant controller layer, the pumping plant controller layer is made of the PLC of supporting industry Ethernet protocol equally, the acquisition of signal of realizing relevant oil cylinder in the hydraulic lift system reaches the control that realizes Hydraulic Elements by oil pipe, and by Industrial Ethernet and master controller communication.
The layer at industrial computer 102 places is called the master controller layer, by the data communication of Industrial Ethernet realization with all pumping plant controllers, oil cylinder controller, be responsible for the realization of whole synchro control strategy, and good user interface is provided, realize the real-time monitoring of all oil cylinders of lifting process, pumping plant.
Be embodied as the example explanation specific embodiment of the present utility model with the different control policy of hydraulic lift system below.
Hydraulic synchronizing lifting device of the present utility model can realize that displacement synchronous, load reach various control strategies such as promoting the control of group's composite sync, explanation respectively below synchronously.
1, displacement synchronous.
Displacement synchronous comprises dual mode, and a kind of is direct displacement synchronous, namely each suspension centre height synchronously, another kind is indirect displacement synchronous, i.e. each oil cylinder piston displacement of same lifting process synchronously.
Be example with a lifting process, the step that displacement synchronous control realizes comprises as shown in Figure 4:
Step S401: at first set the main parameters such as oil cylinder, oil cylinder pumping plant subordinate relation and hoisting speed that make, arrange and finish the laggard step S402 of going into.
As shown in Figure 5, arrange that main to make the effect of oil cylinder be that the hoisting speed of each oil cylinder is calibrated, realize synchronously.The stay cord displacement pickup is set on the oil cylinder, displacement for detection of piston in the hydraulic actuating cylinder, when the stay cord displacement pickup detects other oil cylinders when inconsistent with the main hoisting speed that makes cylinder, the pumping plant controller can be controlled in the fuel tank apportioning valve that should this oil cylinder, makes its hoisting speed make cylinder consistent with main.
Step S402: begin to promote.
Step S403: gather each oil cylinder piston displacement signal value or suspension centre altitude signal value by each oil cylinder controller, by agreement and affiliated pumping plant controller and master controller communications such as Modbus/TCP.
Step S404: master controller obtains each cylinder piston motion shift value or suspension centre altitude signal value by industrial ethernet protocol.
Step S405: will lead the displacement signal that makes oil cylinder by master controller and be sent to each pumping plant controller as the reference signal, and control each oil cylinder apportioning valve etc. by each pumping plant, and realize the PID control of displacement tracking.
Step S406: master controller can monitor the running condition of each oil cylinder, finishes until a lifting process.
2, load is synchronous.
Need pay attention to the occasion of suspension centre load equalization at some, the working load synchro control.In order to realize the load synchro control, need in oil cylinder, install pressure sensor, to detect the hydraulic actuating cylinder load.
Be example with a lifting process, load synchro control performing step comprises as shown in Figure 6:
Step S601: at first set the master and make parameters such as oil cylinder, oil cylinder pumping plant subordinate relation and hoisting speed, enter step S602 then.
Step S602: begin to promote.
Step S603: gather each oil cylinder upper and lower cavity pressure by each oil cylinder controller, and according to the real-time load of oil cylinder calculation of parameter, then by agreement and affiliated pumping plant controller and master controller communications such as Modbus/TCP.
Step S604: master controller obtains the load value of each oil cylinder by industrial ethernet protocol.
Step S605: will lead the load signal that makes oil cylinder by master controller and be sent to each pumping plant controller as the reference signal, and control each oil cylinder apportioning valve etc. by each pumping plant, and realize the PID control of load equalization.
Step S606: a lifting process is finished.
3, promote the control of group's composite sync.
When large scale structure is promoted, adopt to promote the composite sync control that the group carries out displacement and load, be example with a lifting process, promote group's composite sync performing step as shown in Figure 7, this step comprises:
Step S701: at first arrange and promote the group configuration parameter, comprise each group oil cylinder, group's master cylinder, main cylinder and other parameter configuration of making of group, the example of group configuration (has 3 to promote the group: group 1, group 2, group 3 as shown in Figure 5 among Fig. 5, the master of each group makes cylinder be respectively oil cylinder 1, oil cylinder 5, oil cylinder 9, and group's master cylinder is oil cylinder 1).
Step S702: promote group's composite sync lifting process and begin.
Step S703: the piston displacement (or suspension centre height) with group's master cylinder is reference signal, controls the apportioning valve etc. that each group master makes cylinder, makes each group master make cylinder realize displacement synchronous.
Step S704: each promotes in the group, and making the load signal of cylinder with the master is reference signal, controls the apportioning valve of other each oil cylinders in the group etc., makes group interior each oil cylinder realize load equalization.
Step S705: promote group's composite sync lifting process and finish.
By the utility model, between oil cylinder and the oil cylinder, between oil cylinder and the pumping plant, formed a control network by Industrial Ethernet between pumping plant and the pumping plant, all data are all transmitted and are shared by this control network, have made things convenient for field wiring.
Hydraulic lift system of the present utility model has configuration and configurability preferably, when hardware annexations such as pumping plant, oil cylinder change, only need to finish predetermined function by carry out simple parameters modification (as each control station IP, oil cylinder pumping plant subordinate relation etc.) at master controller.
By the co-operation of master controller and each pumping plant controller, each oil cylinder controller, can realize displacement synchronous, load synchronously, promote various control strategy such as group's composite sync control, will improve whole control accuracy and performance.
Those skilled in the art should understand that embodiment of the present utility model can be provided as method, system or computer program.Therefore, the utility model can adopt complete hardware embodiment, complete software embodiment or in conjunction with the form of the embodiment of software and hardware aspect.And the utility model can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to disc storage, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The utility model is to describe with reference to diagram of circuit and/or the block scheme of the method for the utility model embodiment, equipment (system) and computer program.Being interpreted as can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block scheme and/or square frame and diagram of circuit and/or the block scheme and/or the combination of square frame.Can provide these computer program instructions to the treater of general computer, single-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the treater of computing machine or other programmable data processing device produce the device that is used for being implemented in flow process of diagram of circuit or a plurality of flow process and/or square frame of block scheme or a plurality of square frame appointed functions.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of diagram of circuit or a plurality of flow process and/or square frame of block scheme or a plurality of square frame.
These computer program instructions also can be loaded on computing machine or other programmable data processing device, make and carry out the sequence of operations step producing computer implemented processing at computing machine or other programmable devices, thereby be provided for being implemented in the functional steps of appointment in flow process of diagram of circuit or a plurality of flow process and/or square frame of block scheme or a plurality of square frame in the instruction that computing machine or other programmable devices are carried out.
Use specific embodiment in the utility model principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change.In sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a hydraulic synchronizing lifting device is characterized in that, described hydraulic synchronizing lifting device comprises: a plurality of oil cylinders, be used for to gather displacement synchronous signal or a plurality of oil cylinder controllers of load synchronizing signal, a plurality of pumping plant controller and the industrial computer of described oil cylinder;
Each described oil cylinder controller connects one of them described oil cylinder by cable; Each described pumping plant controller connects at least one described oil cylinder controller by ethernet, to receive described displacement synchronous signal or load synchronizing signal, the fuel tank of each described pumping plant controller connects at least one described oil cylinder by oil pipe; Described industrial computer connects described pumping plant controller by concentrator, makes the displacement signal of oil cylinder or load signal send to described pumping plant controller with main in the described oil cylinder, to control the displacement of piston in the described oil cylinder.
2. hydraulic synchronizing lifting device according to claim 2 is characterized in that, is provided with fuel tank in the described pumping plant controller, and described fuel tank connects described oil pipe.
3. hydraulic synchronizing lifting device according to claim 3 is characterized in that, each described pumping plant controller connects two or four described oil cylinders by described oil pipe.
4. according to claim 1 or 3 described hydraulic synchronizing lifting devices, it is characterized in that described hydraulic synchronizing lifting device also comprises:
First claw is fixed on the upper blocking seat of described piston, and is electrically connected described oil cylinder controller;
Second claw is fixed on the following deck of described oil cylinder bottom surface, and is electrically connected described oil cylinder controller.
5. hydraulic synchronizing lifting device according to claim 4 is characterized in that, described first claw is made of the intermediate plate of multi-disc taper.
6. hydraulic synchronizing lifting device according to claim 4 is characterized in that, described second claw is made of the intermediate plate of multi-disc taper.
7. according to claim 5 or 6 described hydraulic synchronizing lifting devices, it is characterized in that described fuel tank is provided with the apportioning valve of delivery quality in the described oil pipe of control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137235 CN203187348U (en) | 2013-03-25 | 2013-03-25 | Hydraulic synchronous lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137235 CN203187348U (en) | 2013-03-25 | 2013-03-25 | Hydraulic synchronous lifting device |
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| CN203187348U true CN203187348U (en) | 2013-09-11 |
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| CN 201320137235 Expired - Fee Related CN203187348U (en) | 2013-03-25 | 2013-03-25 | Hydraulic synchronous lifting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708375A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Large-scale structure weighing hydraulic control structure based on speed control |
| CN104947598A (en) * | 2015-07-07 | 2015-09-30 | 中铁二局股份有限公司 | Large tonnage girder hydraulic synchronization lifting-up construction equipment and method |
| CN107215804A (en) * | 2017-07-12 | 2017-09-29 | 杭州圣基建筑特种工程有限公司 | A kind of multiple spot single-acting jack synchro-lift system and control method |
| CN107797542A (en) * | 2016-09-07 | 2018-03-13 | 马哈机器制造有限公司 | Equipment control device |
| CN108127954A (en) * | 2017-12-25 | 2018-06-08 | 重庆蔡氏液压设备有限公司 | A kind of frame type hydraulic press |
-
2013
- 2013-03-25 CN CN 201320137235 patent/CN203187348U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708375A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Large-scale structure weighing hydraulic control structure based on speed control |
| CN103708375B (en) * | 2013-12-17 | 2016-04-13 | 天津大学 | Large structure based on speed control is weighed hydraulic control architectures |
| CN104947598A (en) * | 2015-07-07 | 2015-09-30 | 中铁二局股份有限公司 | Large tonnage girder hydraulic synchronization lifting-up construction equipment and method |
| CN104947598B (en) * | 2015-07-07 | 2016-08-17 | 中铁二局工程有限公司 | A kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment and method |
| CN107797542A (en) * | 2016-09-07 | 2018-03-13 | 马哈机器制造有限公司 | Equipment control device |
| CN107215804A (en) * | 2017-07-12 | 2017-09-29 | 杭州圣基建筑特种工程有限公司 | A kind of multiple spot single-acting jack synchro-lift system and control method |
| CN107215804B (en) * | 2017-07-12 | 2018-11-27 | 杭州圣基建筑特种工程有限公司 | A kind of multiple spot single-acting jack synchro-lift system and control method |
| CN108127954A (en) * | 2017-12-25 | 2018-06-08 | 重庆蔡氏液压设备有限公司 | A kind of frame type hydraulic press |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200325 |