CN102198911A - Remote control reversing electrohydraulic grab bucket - Google Patents
Remote control reversing electrohydraulic grab bucket Download PDFInfo
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- CN102198911A CN102198911A CN2009103042325A CN200910304232A CN102198911A CN 102198911 A CN102198911 A CN 102198911A CN 2009103042325 A CN2009103042325 A CN 2009103042325A CN 200910304232 A CN200910304232 A CN 200910304232A CN 102198911 A CN102198911 A CN 102198911A
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- grab bucket
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Abstract
The invention relates to mechanical equipment for grabbing and unloading goods, in particular to a remote control reversing electrohydraulic grab bucket. The grab bucket comprises a frame and a hanging device arranged at the upper end of the frame, and is characterized by also comprising a remote control device and a driving device, wherein the driving device consists of a hydraulic pump, a control valve block, an electric motor and at least two hydraulic oil cylinders; the electric motor connected with the hydraulic pump provides power for the hydraulic pump, and the hydraulic pump is connected with and drives the hydraulic oil cylinders through the control valve block; the remote control device comprises a transmitter and a receiver; the transmitter transmits a wireless signal to control the receiver; and the receiver is in control connection with the control valve block. The invention has the advantages that: the opening, closing and stopping of the grab bucket are controlled by the remote control device, so that the utilization rate and service efficiency of the grab bucket are improved; and the requirement of frequent operation is met, the service life of the grab bucket is prolonged, and the grab bucket is suitable for occasions on which the feeding amount of materials is needed to be controlled and operation is particularly frequent.
Description
Technical field
The present invention relates to a kind of mechanical equipment that unloads goods of grabbing, be specifically related to a kind of remote control commutation electric hydraulic bucket.
Background technology
Domestic existing electric hydraulic bucket, major part are to rely on the mode of electrical motor rotating to control the unlatching of grab bucket with closed.This mode is simple and reliable, need not control cable and widely use at home, is the main type of present electric hydraulic bucket.But, need electrical motor just to change, stop, reversing, stop action respectively once because every unlatching of electric hydraulic bucket and closure are once.Require high electric hydraulic bucket for frequent use, capacity rating, because the starting current of electrical motor is bigger, the very easily overheated and damage of motor.The inertia of motor again is bigger, is not easy to accurately and controls at any time the open amount of grabbing bucket, and therefore generally a suitable not needs is controlled the grab bucket that struggles against the lobe movement position and use under two end position states of complete opening and complete closure.
And existing at present remote control grab bucket patent, its control be the single rope grab of drive device not, with electric hydraulic bucket be dissimilar grab buckets.This type of grab bucket relies on the closed grab bucket of hoisting crane and grasps material, utilize remote control equipment (RCE) (electromagnetic valve with one two of remote controls comes the modulated pressure cylinder action) to make grab bucket can open discharging aloft, save original single rope grab and need land the operating process of opening, improved the efficient of grab bucket.But can not ACTIVE CONTROL grab bucket closed, operation inconvenience.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of remote control commutation electric hydraulic bucket is provided, this grab bucket combines the advantage of single rope remote control grab bucket and electric hydraulic bucket, and can remote control control the function that three running statees were opened, stop, closed to electric hydraulic bucket by adopting the electromagnetic valve commutation to have.
The object of the invention realizes being finished by following technical scheme:
A kind of remote control commutation electric hydraulic bucket is used for hoisting crane, and this grab bucket comprises frame and be located at the erecting by overhang of frame upper end that it is characterized in that: described grab bucket also comprises remote control equipment (RCE) and an actuating device; Described actuating device is made up of Hydraulic Pump, control cock piece, electrical motor and two hydraulic rams at least, and wherein said Hydraulic Pump relies on connected electrical motor that power is provided, and connects, drives described hydraulic ram by the control cock piece; Described remote control equipment (RCE) comprises the emitter and receiver composition, and described transmitter transmits radio signals is controlled described receiver, the described control cock piece of described receiver control linkage.
Described control cock piece includes electromagnetic valve, is provided with at least two electromagnet in the described electromagnetic valve and finishes open and close to control described hydraulic grab, stops three kinds of actions.
Also be provided with the bucket lobe identical on the described frame with described hydraulic ram quantity, described bucket lobe is symmetrical arranged, its upper end is articulated in frame lower, and its outer face is connected with cooresponding hydraulic ram movable end by bearing pin, and the fixed end and the frame of described hydraulic ram are hinged.
Described projector is the battery powered stand-alone assembly of an employing.
Described projector is fixedly set on the control desk of described hoisting crane.
Advantage of the present invention is: the unlatching of grab bucket, closure and stop by remote control equipment (RCE) control, and make the comformability of grab bucket applying working condition more extensive, improved the Occupation coefficient and the service efficiency of grab bucket; Adapt to the requirement of frequent operation, prolonged grab bucket service life, can control grab bucket delicately and opening and closing big or small degree, need to be specially adapted to control material injected volume, and the frequent especially occasion of work.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is fluid control schematic diagram of the present invention;
Accompanying drawing 3 is remote control equipment (RCE) structural representation of the present invention.
The specific embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical personnel of the same trade:
As Figure 1-3, label is represented respectively: projector 1, receiver 2, electric supply installation 3, electrical motor 4, Hydraulic Pump 5, control cock piece 6, hydraulic ram 7, frame 8, fuel tank 9, bucket lobe 10, oil cylinder guard shield 11, cable installation 12, erecting by overhang 13, electromagnetic valve Vd, shuttle valve Vs, unloader valve Vr, filter F, hydraulic control one-way valve: Vca, Vcb; Electromagnet: DTa, DTb; Oil pipe: A, B, P.
As shown in Figure 1, remote control commutation electric hydraulic bucket is made up of electromagnetic valve commutation electric hydraulic bucket and remote control equipment (RCE) two parts in the present embodiment, and electromagnetic valve commutation electric hydraulic bucket includes mechanical device and actuating device.
Mechanical device is made of frame 8, bucket lobe 10, erecting by overhang 13, oil cylinder guard shield 11 etc., and actuating device comprises Hydraulic Pump 5, control cock piece 6, hydraulic ram 7, fuel tank 9, cable installation 12, electric supply installation 3 and electrical motor 4.
Frame 8 is base paries of this grab bucket, and various equipments all connect with frame, and is electric also mounted thereto with hydraulic part.Bucket lobe 10 is work pieces, contacts with grabbing material, and its end is fixed on the bottom of frame 8 with bearing pin, connects with hydraulic ram 7 with a bearing pin in addition.Rely on stretching of hydraulic ram 7 to drive and control 10 motions of bucket lobe, finish extracting and let-down material.The other end of hydraulic ram 7 also is fixed on the top of frame 8 by a bearing pin, become the attachment point of hydraulic ram 7.Oil cylinder guard shield 11 is fixed on the outside of hydraulic ram 7 on the frame 8, is to be used for protecting hydraulic ram 7 to avoid damaged in collision.Erecting by overhang 13 is these grab buckets and the connector of hoisting crane, can be the chain link of this figure style, directly hang on the suspension hook of hoisting crane, and also can be the connecting device of steel rope, directly connect with steel rope on the hoisting crane.
Fuel tank 9 is actually frame 8 nethermost parts, and Hydraulic Pump 5 is equipped with in the inside, and the outlet of Hydraulic Pump 5 connects with control cock piece 6, and control cock piece 6 connects with hydraulic ram 7 by pipeline.
Power supply from hoisting crane comes inserts in the electric supply installation 3 of this grab bucket by cable installation 12.Electric supply installation 3 is directly sent three plase alternating current into electrical motor 4 (see figure 3)s, and by a transformation rectifying device, two electromagnet DTa, the DTb of electromagnetic valve Vd provide direct supply on receiver 2 and control cock piece 6 in addition.
Remote control equipment (RCE) by projector 1 be installed in the exterior receiver 2 of this grab bucket frame and form.It is indoor that projector 1 can be installed in crane operation, also can use powered battery, hand-held move operation.The power supply of receiver 2 is by electric supply installation 3 supply, and receiver 2 converts the signal of the projector 1 that receives the control signal of last two electromagnet DTa, DTb of electromagnetic valve Vd to, and this grab bucket is operated in the position of control electromagnetic valve Vd.
Grab bucket shown in Figure 1 is a multi-clove type in the present embodiment, obviously suitably increases and decreases the quantity of bucket lobe 10 and hydraulic ram 7, and its principle of work is still identical.So the quantity of bucket lobe 10 and hydraulic ram 7 is under the situation that satisfies other operation elements and operating mode among the present invention, quantity is not limited.
Now in conjunction with Fig. 2, Fig. 3, the principle of work of this grab bucket is described as follows:
New field of technical activity: hoisting crane by cable installation 12 and electric supply installation 3 to electrical motor 4 power supply (see figure 1)s, motor rotation.Receiver 2 (see figure 3)s are supplied with in electric supply installation 3 output DC sources simultaneously.This moment electromagnetic valve Vd two equal no powers of electromagnet DTa, DTb, electromagnetic valve Vd is in the meta (see figure 2).By the Hydraulic Pump 5 that the electrical motor 4 that is rotating drives, the hydraulic oil of its output flows to oil return oil filter F by the inside of the electromagnetic valve Vd of oil pipe P on control cock piece 6, flows back to fuel tank 9 again.Hydraulic ram 7 is not worked, and grab bucket is in halted state.
Grab bucket is opened: projector 1 (see figure 3) is sent the grab bucket open command by coding.After receiver 2 is received instruction, this coding is translated into the control signal that cooresponding electromagnet DTb connects.The electromagnet DTb adhesive of switching on, the electromagnetic valve Vd (see figure 2) on the control cock piece 6 is to shifting left.This moment, the hydraulic oil of Hydraulic Pump output entered the hydraulic control one-way valve Vcb of stack through oil pipe P, electromagnetic valve Vd, entered the beam hanger chamber of hydraulic ram 7 again by the oil pipe B on the control cock piece 6, made the piston rod withdrawal of hydraulic ram 7.This moment hydraulic ram 7 rodless cavities hydraulic oil, by oil pipe A, hydraulic control one-way valve Vca (because hydraulic control one-way valve Vcb has pressure oil to pass through, therefore hydraulic control one-way valve Vca oppositely opens), electromagnetic valve Vd inside arrives return filter F again, the oil of hydraulic ram 7 rodless cavities is got back to fuel tank 9.Hydraulic ram 7 can be withdrawn by the control requirement.This moment, hydraulic ram 7 drove bucket lobe 10 (see figure 1)s by the oil cylinder bearing pin, made bucket lobe 10 Unscrews.When hydraulic ram 7 is withdrawn into end position, hydraulic ram 7 stop motions, bucket lobe 10 is opened fully.Hydraulic Pump 5 continues fuel feeding at this moment, and the pressure in hydraulic ram 7 rod chambers raises rapidly.This pressure signal has passed to unloader valve Vr by shuttle valve Vs right channel.When force value was equal to or greater than the setting value of unloader valve Vr, unloader valve Vr opened, and unnecessary hydraulic oil is got back to filter F by Hydraulic Pump 5 through oil pipe P, unloader valve Vr and returned fuel tank 9.The overvoltage damage of Hydraulic Pump 5 and a large amount of heatings of hydraulic efficiency pressure system have been prevented.
Grab bucket is closed: projector 1 (see figure 3) is sent the grab bucket close command by coding.After receiver 2 is received instruction, this coding is translated into the control signal that cooresponding electromagnet DTa connects.The electromagnet DTa adhesive of switching on, the electromagnetic valve Vd (see figure 2) right shift on the control cock piece 6.This moment, the hydraulic oil of Hydraulic Pump 5 outputs entered the hydraulic control one-way valve Vca of stack through oil pipe P, electromagnetic valve Vd, entered the rodless cavity of hydraulic ram 7 again by the oil pipe A on the control cock piece 6, and the piston rod of hydraulic ram 7 is stretched out.This moment hydraulic ram 7 rod chambers hydraulic oil, by oil pipe B, hydraulic control one-way valve Vcb (because hydraulic control one-way valve Vca has pressure oil to pass through, therefore hydraulic control one-way valve Vcb oppositely opens), electromagnetic valve Vd inside arrives return filter F again, the oil of hydraulic ram 7 rod chambers is got back to fuel tank 9.Hydraulic ram 7 can be stretched out by the control requirement.This moment, hydraulic ram 7 drove bucket lobe 10 (see figure 1)s by the oil cylinder bearing pin, made bucket lobe 10 rotating closed.When hydraulic ram 7 reaches end position, hydraulic ram 7 stop motions, bucket lobe 10 is rotating closed.Hydraulic Pump 5 continues fuel feeding at this moment, and the pressure in hydraulic ram 7 rodless cavities raises rapidly.This pressure signal has passed to unloader valve Vr by shuttle valve Vs left channel.When force value was equal to or greater than the setting value of unloader valve Vr, unloader valve Vr opened, and unnecessary hydraulic oil is got back to filter F by Hydraulic Pump 5 through oil pipe P, unloader valve Vr and returned fuel tank 9.The overvoltage damage of Hydraulic Pump 5 and a large amount of heatings of hydraulic efficiency pressure system have been prevented.
Unloader valve Vr also has the function of overflow simultaneously.Malfunctioning or when phenomenon of the failure that other system pressure raises occurring, unloader valve Vr can carry out overflow according to the pressure of setting, and damages to prevent Hydraulic Pump 5 overloads when the control signal of shuttle valve Vs.
Grab bucket stops: projector 1 (see figure 3) is sent grab bucket halt instruction (perhaps having stopped the emission of unlatching and closure signal) by coding.After receiver 2 is received instruction, this coding is translated into the control signal of cooresponding all electromagnet of disconnection.Electromagnetic valve Vd (see figure 2) on the control cock piece 6 is got back to meta.This moment, hydraulic grab was got back to above-mentioned new field of technical activity state, and all motions stop fully.The oil stream of Hydraulic Pump 5 is directly got back to fuel tank 9.
Above accompanying drawing 2 fluid control schematic diagrams and wherein control cock piece 6 described structures be a kind of embodiment.Those of ordinary skills can recognize that obviously the Hydraulic Pump in the fluid control schematic diagram can be a fix-displacement pump shown in Figure 2, can also be controllable capacity pumps.Control grab bucket by control cock piece 6 and finish out, stop, close under the prerequisite of three kinds of running statees satisfying, this control cock piece 6 can be 3-position 4-way formula, inserted valve compound type or other structural shapes.Therefore, under the precondition that does not break away from the claim limited range, still can carry out various improvement and conversion, not repeat them here fluid control schematic diagram and control cock piece 6.
Claims (5)
1. a remote control commutation electric hydraulic bucket is used for hoisting crane, and this grab bucket comprises frame and be located at the erecting by overhang of frame upper end that it is characterized in that: described grab bucket also comprises remote control equipment (RCE) and an actuating device; Described actuating device is made up of Hydraulic Pump, control cock piece, electrical motor and two hydraulic rams at least, and wherein said Hydraulic Pump relies on connected electrical motor that power is provided, and connects, drives described hydraulic ram by the control cock piece; Described remote control equipment (RCE) comprises the emitter and receiver composition, and described transmitter transmits radio signals is controlled described receiver, the described control cock piece of described receiver control linkage.
2. a kind of remote control commutation electric hydraulic bucket according to claim 1 is characterized in that described control cock piece includes electromagnetic valve, is provided with at least two electromagnet in the described electromagnetic valve and finishes open and close to control described hydraulic grab, stops three kinds of actions.
3. a kind of remote control commutation electric hydraulic bucket according to claim 1, it is characterized in that also being provided with on the described frame bucket lobe identical with described hydraulic ram quantity, described bucket lobe is symmetrical arranged, its upper end is articulated in frame lower, its outer face is connected with cooresponding hydraulic ram movable end by bearing pin, and the fixed end and the frame of described hydraulic ram are hinged.
4. a kind of remote control commutation electric hydraulic bucket according to claim 1 is characterized in that described projector is the battery powered stand-alone assembly of an employing.
5. a kind of remote control commutation electric hydraulic bucket according to claim 1 is characterized in that described projector is fixedly set on the control desk of described hoisting crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103042325A CN102198911A (en) | 2009-07-10 | 2009-07-10 | Remote control reversing electrohydraulic grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103042325A CN102198911A (en) | 2009-07-10 | 2009-07-10 | Remote control reversing electrohydraulic grab bucket |
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| Publication Number | Publication Date |
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| CN102198911A true CN102198911A (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009103042325A Pending CN102198911A (en) | 2009-07-10 | 2009-07-10 | Remote control reversing electrohydraulic grab bucket |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310211A (en) * | 2014-08-26 | 2015-01-28 | 上海港怡动力系统有限公司 | High-temperature-resistant electric grab bucket |
| CN105936478A (en) * | 2016-06-23 | 2016-09-14 | 扬州市百思特机械设备有限公司 | Novel overhead endless rope freight transport cable car |
| CN108680378A (en) * | 2018-08-02 | 2018-10-19 | 杭州瀚陆物探工程技术有限公司 | A kind of deep-sea mobile television grab bucket |
| CN108726379A (en) * | 2018-08-30 | 2018-11-02 | 恩倍力（昆山）机械有限公司 | Hydraulic grab wireless supervisory control system and method |
| CN108824387A (en) * | 2018-05-24 | 2018-11-16 | 河北工程大学 | A kind of remote control dross grab bucket |
| CN112897330A (en) * | 2020-12-24 | 2021-06-04 | 恩倍力（昆山）机械有限公司 | Operating system and method of electric hydraulic gripping apparatus in container handling equipment |
-
2009
- 2009-07-10 CN CN2009103042325A patent/CN102198911A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310211A (en) * | 2014-08-26 | 2015-01-28 | 上海港怡动力系统有限公司 | High-temperature-resistant electric grab bucket |
| CN105936478A (en) * | 2016-06-23 | 2016-09-14 | 扬州市百思特机械设备有限公司 | Novel overhead endless rope freight transport cable car |
| CN108824387A (en) * | 2018-05-24 | 2018-11-16 | 河北工程大学 | A kind of remote control dross grab bucket |
| CN108680378A (en) * | 2018-08-02 | 2018-10-19 | 杭州瀚陆物探工程技术有限公司 | A kind of deep-sea mobile television grab bucket |
| CN108726379A (en) * | 2018-08-30 | 2018-11-02 | 恩倍力（昆山）机械有限公司 | Hydraulic grab wireless supervisory control system and method |
| CN112897330A (en) * | 2020-12-24 | 2021-06-04 | 恩倍力（昆山）机械有限公司 | Operating system and method of electric hydraulic gripping apparatus in container handling equipment |
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Application publication date: 20110928 |