CN104291214A - Remote control grab bucket capable of discharging in stable mode - Google Patents
Remote control grab bucket capable of discharging in stable mode Download PDFInfo
- Publication number
- CN104291214A CN104291214A CN201410421708.4A CN201410421708A CN104291214A CN 104291214 A CN104291214 A CN 104291214A CN 201410421708 A CN201410421708 A CN 201410421708A CN 104291214 A CN104291214 A CN 104291214A
- Authority
- CN
- China
- Prior art keywords
- valve
- grab bucket
- remote control
- discharging
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/14—Grabs opened or closed by driving motors thereon
- B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- 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
Abstract
The invention discloses a remote control grab bucket capable of discharging in a stable mode, the grab bucket comprises an upper bearer and a lower bearer, the upper bearer is connected to a bucket body and a transmission apparatus, a hydraulic system is arranged at the lower bearer, the lower bearer and the bucket body enable rotatable connection, the bucket body completes opening and closing under cooperation of the transmission apparatus and the hydraulic system, the hydraulic system comprises a housing and a solenoid valve reversing valve fixed at top of the housing, an oil inlet interface of the hydraulic system and an oil outlet interface of the hydraulic system are arranged at bottom of two sides of the housing, a buffer speed regulating valve is arranged at upper part of the left side, a buffer pressure-regulating valve is arranged at upper part of the right side, a safety valve is arranged at front part, and an oil return tube is arranged in the the grab bucket. According to the invention, based on the conventional hydraulic system, the buffer speed regulating valve and the buffer pressure-regulating valve are added, large pressure is removed, then a main valve is opened, great shock generated through instant release by a high-pressure oil-way is prevented, so that stable discharging can be realized.
Description
Technical field
The present invention relates to and a kind ofly grab the mechanical equipment unloading goods, be specifically related to a kind of remote control grab bucket of steady discharging.
Background technology
Grab bucket is a kind of loading-unload machine parts being applicable to the transport places such as railway goods yard, mine, harbour, for loading and unloading railway bulk cargo.Hydraulic grab is by hydraulic efficiency power unit for hydraulic ram provides power, thus drives the folding of two, left and right combination bucket or multiple jaw capture and draw off a kind of equipment of bulk material.And remote control grab bucket is a kind of hydraulic grab coordinating single rope hoisting crane to be controlled folding by wireless remote control emitter.
For object that is energy-conservation and minimizing hydraulic grab Hydraulic System Fever, no matter adopt which kind of mode, after rock rake lobe is completely closed, all have employed the control technology of off-load pressurize.Because the pressure size of off-load pressurize and the Grasping skill of grab bucket have direct relation, therefore wish larger dwell pressure.
Existing remote control grab bucket hydraulic efficiency pressure system, be generally high-pressure oil passage abrupt release, under immense pressure and speed, vibrations are large, comparatively large to the damage of machinery, also there is potential safety hazard.
Summary of the invention
According to above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide the remote control grab bucket of a kind of steady discharging, energy-conserving and environment-protective.
A kind of remote control grab bucket of steady discharging, described grab bucket comprises deck beam and through beam, deck beam is connected with bucket body and a driving device, through beam is provided with a hydraulic efficiency pressure system, for being rotatably connected between through beam and bucket body, described bucket body completes opening and closing under the cooperation of driving device and hydraulic efficiency pressure system, described hydraulic efficiency pressure system comprises shell and is fixed on the electromagnetic valve change-over valve of cover top portion, two side lower parts of described shell are provided with hydraulic efficiency pressure system oil inlet interface and hydraulic efficiency pressure system oil outlet interface, left upper portion is provided with buffering governor valve, right upper portion is provided with buffering pressure regulating valve, be provided with safety valve above, inside is provided with oil return pipe, described buffering pressure regulating valve oil inlet and hydraulic efficiency pressure system oil inlet interface, hydraulic efficiency pressure system oil outlet interface, safety valve is connected with electromagnetic valve oil inlet, electromagnetic valve oil outlet is connected with buffering governor valve oil inlet, buffering governor valve oil outlet is gentle to be reconstituted pressure valve oil outlet and is connected with oil return pipe.
Preferably, described solenoid directional control valve is two-position three way double electromagnet.
Preferably, described buffering governor valve is flow regulating valve.
Preferably, described buffering pressure regulating valve is by pass valve.
Preferably, described hydraulic circuit also comprises the check valve and back pressure valve gap that arrange below the first oil cylinder, the second oil cylinder, oil cylinder.
Preferably, described back pressure valve gap is arranged at below through beam.
Preferably, described bucket body is two flap-type, is formed a fixed connection between deck beam and bucket body by strut, for being movably hinged between through beam and grab bucket.
Preferably, the top of described deck beam is provided with equalizer bar, and equalizer bar is provided with long ring, and long ring is connected by shackle with between equalizer bar.
Beneficial effect of the present invention: the present invention adds on the basis of the hydraulic efficiency pressure system of routine that buffering governor valve is gentle reconstitutes pressure valve, opens main valve again, avoid high-pressure oil passage abrupt release and produce huge vibrations, thus realize steady discharging after shedding huge pressure; Use two-position three way double electromagnet change-over valve, when only needing to start, power consumption is a little, and idle not power consumption, power source life and work-hours extend greatly, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the remote control grab bucket of a kind of steady discharging of the present invention;
Fig. 2 is the hydraulic system structure schematic diagram of the remote control grab bucket of a kind of steady discharging of the present invention;
Fig. 3 is the hydraulic circuit schematic diagram of the remote control grab bucket of a kind of steady discharging of the present invention.
Number in the figure is described as follows: 1-equalizer bar, 2-deck beam, 3-strut, 4-through beam, 5-bucket body, the long ring of 6-, 7-shackle, 8-steel rope, 9-shell, 10-solenoid directional control valve, 11-hydraulic efficiency pressure system oil inlet interface, 12-hydraulic efficiency pressure system oil outlet interface, 13-cushions governor valve, 14-slip base, 15-cushions pressure regulating valve, 16-safety valve, 17-first oil cylinder, 18-second oil cylinder, 19-check valve, 20-back pressure valve gap.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of structural representation of remote control grab bucket of steady discharging, grab bucket comprises deck beam 2 and through beam 4, deck beam 4 is connected with bucket body 5 and a driving device, through beam 4 is provided with a hydraulic circuit, for being rotatably connected between through beam 4 and bucket body 5, the top of deck beam 2 is provided with equalizer bar 1, equalizer bar 1 is provided with long ring 6, long ring 6 is connected by shackle 7 with between equalizer bar 1, bucket body 5 is two flap-type, formed a fixed connection by strut 3 between deck beam 2 and bucket body 5, for being movably hinged between through beam 4 and bucket body 5, opening and closing is completed under the cooperation of driving device and hydraulic circuit.
As shown in Figure 2, a kind of hydraulic system structure schematic diagram of remote control grab bucket of steady discharging, described hydraulic efficiency pressure system comprises shell 9 and is fixed on the solenoid directional control valve 10 of cover top portion, two side lower parts of described shell 9 are provided with hydraulic efficiency pressure system oil inlet interface 11 and hydraulic efficiency pressure system oil outlet interface 12, left upper portion is provided with buffering governor valve 13, right upper portion is provided with buffering pressure regulating valve 15, be provided with safety valve 16 above, inside is provided with oil return pipe 8, described buffering pressure regulating valve 15 oil inlet and hydraulic efficiency pressure system oil inlet interface 11, hydraulic efficiency pressure system oil outlet interface 12, safety valve 16 is connected with solenoid directional control valve 10 oil inlet, solenoid directional control valve 10 oil outlet is connected with buffering governor valve 13 oil inlet, buffering governor valve 13 oil outlet is gentle to be reconstituted pressure valve 15 oil outlet and is connected with oil return pipe 8, solenoid directional control valve 10 is two-position three-way electromagnetic convertible valve, buffering governor valve 13 is flow regulating valve, buffering pressure regulating valve 15 is by pass valve.
As shown in Figure 3, a kind of hydraulic circuit schematic diagram of remote control grab bucket of steady discharging, valve unit is provided with in hydraulic circuit, described valve unit comprises solenoid directional control valve 10, described solenoid directional control valve is two-position three way double electromagnet, hydraulic circuit also comprises the check valve 19 and back pressure valve gap 20 that arrange below the first oil cylinder 17, second oil cylinder 18, oil cylinder, and back pressure valve gap 20 is arranged at below through beam 4.
Steel rope 8 one is fixed on slip base 14, and other end is fixed on equalizer bar 1, joining shackle 7 on equalizer bar 1, and grab bucket for convenience detach shackle 7 connects long ring 6, and long ring 6 directly hangs on suspension hook.When grabbing bucket closed, suspension hook rises, press and remote controller opens button, grab bucket under the effect of deadweight and loadage, first oil cylinder 17, second oil cylinder 18 stretches out, bucket body 5 is opened, after opening completely, suspension hook declines and grab bucket is put on stockpile, first oil cylinder 17, second oil cylinder 18 is regained under the Action of Gravity Field of slip base 14, after being recovered to the end, by the close push button on following remote controller, rise suspension hook again, grab bucket grabs goods under the effect in pulley multiplying power, now the first oil cylinder 17, second oil cylinder 18 is locked, until bucket body 5 is completely closed, such circulation of grabbing unloading completes.By this operating principle, cycling.The present invention adds on the basis of the hydraulic efficiency pressure system of routine that buffering governor valve is gentle reconstitutes pressure valve, opens main valve again, avoid high-pressure oil passage abrupt release and produce huge vibrations, thus realize steady discharging after shedding huge pressure; Use two-position three way double electromagnet change-over valve, when only needing to start, power consumption is a little, and idle not power consumption, power source life and work-hours extend greatly, energy-conserving and environment-protective.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineering staff in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (8)
1. the remote control grab bucket of a steady discharging, it is characterized in that: described grab bucket comprises deck beam and through beam, deck beam is connected with bucket body and a driving device, through beam is provided with a hydraulic efficiency pressure system, for being rotatably connected between through beam and bucket body, described bucket body completes opening and closing under the cooperation of driving device and hydraulic efficiency pressure system, described hydraulic efficiency pressure system comprises shell and is fixed on the electromagnetic valve change-over valve of cover top portion, two side lower parts of described shell are provided with hydraulic efficiency pressure system oil inlet interface and hydraulic efficiency pressure system oil outlet interface, left upper portion is provided with buffering governor valve, right upper portion is provided with buffering pressure regulating valve, be provided with safety valve above, inside is provided with oil return pipe, described buffering pressure regulating valve oil inlet and hydraulic efficiency pressure system oil inlet interface, hydraulic efficiency pressure system oil outlet interface, safety valve is connected with electromagnetic valve oil inlet, electromagnetic valve oil outlet is connected with buffering governor valve oil inlet, buffering governor valve oil outlet is gentle to be reconstituted pressure valve oil outlet and is connected with oil return pipe.
2. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, described solenoid directional control valve is two-position three way double electromagnet.
3. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, described buffering governor valve is flow regulating valve.
4. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, described buffering pressure regulating valve is by pass valve.
5. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, described hydraulic circuit also comprises the check valve and back pressure valve gap that arrange below the first oil cylinder, the second oil cylinder, oil cylinder.
6. the remote control grab bucket of steadily discharging as claimed in claim 5, it is characterized in that, described back pressure valve gap is arranged at below through beam.
7. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, described bucket body is two flap-type, is formed a fixed connection between deck beam and bucket body by strut, for being movably hinged between through beam and grab bucket.
8. the remote control grab bucket of steadily discharging as claimed in claim 1, it is characterized in that, the top of described deck beam is provided with equalizer bar, and equalizer bar is provided with long ring, and long ring is connected by shackle with between equalizer bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421708.4A CN104291214A (en) | 2014-08-26 | 2014-08-26 | Remote control grab bucket capable of discharging in stable mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421708.4A CN104291214A (en) | 2014-08-26 | 2014-08-26 | Remote control grab bucket capable of discharging in stable mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104291214A true CN104291214A (en) | 2015-01-21 |
Family
ID=52311211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421708.4A Pending CN104291214A (en) | 2014-08-26 | 2014-08-26 | Remote control grab bucket capable of discharging in stable mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104291214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896284A (en) * | 2015-06-11 | 2015-09-09 | 安庆市华鑫重工股份有限公司 | Piston type grab bucket deck beam lubricating device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002160890A (en) * | 2000-11-24 | 2002-06-04 | Tobu Jukogyo Co Ltd | Grab bucket |
| JP2004331338A (en) * | 2003-05-09 | 2004-11-25 | Tobu Jukogyo Co Ltd | Grab bucket |
| CN101085667A (en) * | 2006-06-09 | 2007-12-12 | 上海起帆科技股份有限公司 | Opening-closing control mechanism for single-rope bucket grab |
| CN101134552A (en) * | 2006-08-31 | 2008-03-05 | 天津中远船务工程有限公司 | Single-rope bivalve hydraulic remote control grab bucket |
| JP2010285226A (en) * | 2009-06-09 | 2010-12-24 | Tobu Jukogyo Co Ltd | Hydraulic control cylinder device for single rope type grab bucket |
| CN202508763U (en) * | 2012-03-02 | 2012-10-31 | 上海贯博起重设备有限公司 | Radio remote control electric hydraulic grab |
| CN202625624U (en) * | 2012-07-09 | 2012-12-26 | 江苏紫石机械制造有限公司 | Hydraulic control system of single-cable remote control grab bucket with overload protection |
| CN203439927U (en) * | 2013-08-01 | 2014-02-19 | 上海格鲁博机械有限公司 | Wireless remote control hydraulic grab bucket |
| CN103697000A (en) * | 2013-12-03 | 2014-04-02 | 上海中联重科桩工机械有限公司 | Hydraulic control system for realizing stepless speed change of actuating mechanism |
-
2014
- 2014-08-26 CN CN201410421708.4A patent/CN104291214A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002160890A (en) * | 2000-11-24 | 2002-06-04 | Tobu Jukogyo Co Ltd | Grab bucket |
| JP2004331338A (en) * | 2003-05-09 | 2004-11-25 | Tobu Jukogyo Co Ltd | Grab bucket |
| CN101085667A (en) * | 2006-06-09 | 2007-12-12 | 上海起帆科技股份有限公司 | Opening-closing control mechanism for single-rope bucket grab |
| CN101134552A (en) * | 2006-08-31 | 2008-03-05 | 天津中远船务工程有限公司 | Single-rope bivalve hydraulic remote control grab bucket |
| JP2010285226A (en) * | 2009-06-09 | 2010-12-24 | Tobu Jukogyo Co Ltd | Hydraulic control cylinder device for single rope type grab bucket |
| CN202508763U (en) * | 2012-03-02 | 2012-10-31 | 上海贯博起重设备有限公司 | Radio remote control electric hydraulic grab |
| CN202625624U (en) * | 2012-07-09 | 2012-12-26 | 江苏紫石机械制造有限公司 | Hydraulic control system of single-cable remote control grab bucket with overload protection |
| CN203439927U (en) * | 2013-08-01 | 2014-02-19 | 上海格鲁博机械有限公司 | Wireless remote control hydraulic grab bucket |
| CN103697000A (en) * | 2013-12-03 | 2014-04-02 | 上海中联重科桩工机械有限公司 | Hydraulic control system for realizing stepless speed change of actuating mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896284A (en) * | 2015-06-11 | 2015-09-09 | 安庆市华鑫重工股份有限公司 | Piston type grab bucket deck beam lubricating device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |