Electro-Hydraulic Clamshell Grab Bucket for Coal Bulk

April 02 07:07:12, 2020

Model NO.: en-1991
Certificates: ABS, BV, CCS, Ce
Brand Name: Enjue
Trademark: Enjue
Transport Package: Electrical Hydraulic Orange Peel Dredging Grab Is
Specification: 2.5-30t
Origin: China
HS Code: 843141000
 Clamshell Grab Bucket for Coal

1:Product information:
Four ropes ore bulk grab is an efficient tool for loading and unloading sands, coal, mineral powder and bulk chemical fertilizer. The mechanical structure for opening & closing is succinct and original. It is easy to use and can work under any circumstances in order. The grab is equipped for the crane which has two hoisting drums and used for grabbing bulk materials. Now the grabs are widely used in ports, electricity, vessel, metallurgy, preservation and transportation, and are exported in batches.Using 3D Virtual Design, by Collision and Interference Checking and taking Dynamic Simulation Test, the products can be showed in the stage of design Intuitively, which can secure the product's quality and outward appearance.
 
2:grab features.
The wide opening width enables outstanding performance in handling the iron bar and light weight enables operation efficiency.
Unlimited clockwise and anti-clockwise 360 degree rotatable
Special designed swing bearing for durability and big cylinder for more power
Check valve is embedded for better safety in case of shock, value enclosed for better safety from damage.
Wear resistant special solid steel is used and no extra reinforcement is required.
Flexible choices dependent on job environment
Rotating speed controlable.
Versatile applications including handling of stone and wood,  scrap handling, landscaping works, sorting and cleaningup.
Minimized hydraulic trouble which may occur during rotating works.
 
 3:FAQ :
If you are intrested in our  grab,please send us your detailed specifications as follow:
1,what's the cubage of the grab?
2,what's the lifting materials?then we can know what type grab suit you best
3,what's the proportion of the material?
4,what's the capturing the materials?
5,what's the working indutsry voltage there?
we will offer you the best suitbale hydraulic grab with the best prices and these specifications above can make it clear about your requirements! so i sincerely welcome your kinldy inquiry with the detialed specifications!
Thank you for your kindly cooperation!


4:Packaging & Shipping
Package: Normal wooden box, Strong wooden box or as your requirement.
Delivery Time: about 40 days since the date of receipt of the deposit
 
25
25T Remote-Control Bulk grab Specification
,/Grab type:
:25/ 25T Remote-Control Bulk grab
:YK25[8-10-12]10B-00
 
,:Technical questionnaire
:25t fit to 25t cran/size of grab:refer drawing
/ Empty grab opening time:12s  / cubage:6-12m3 
/ Empty grab closing time: 18s  / Rating burthen:~16t
/density:~1.0-2.0t/m3            / Grab dead weight:~9.2t
 
,/Technics standard:
 
1.Q345B,42CrMo,.HARDOX400,HRC50..Material of scoop is Q345B, material of all axes is 42CrMo, by tempering and grinding. Material lips is HARDOX400,and the rigidity should be reach HRC50.O ,the part's Material according to drawing.
 
2.,,,,,.The holes of up beam,pole,low beam and scoops are bored by machine, it can ensure the concentric,detailed allowance error according to drawing request.
 
3..,160um.All steel will blasting shot before machining. After completion of the production deal with the surface coating, Thickness of coating greater than 160um.
 
4.,.,.The activities of nodes need to consider lubrication, the attention of the design, such as lubricating device should not be bump. Installation of hydraulic cylinders to be used in spherical joints, and have the lubrication.
 
 
5.,,.3.All important place should go to beveling,and welded joints carry on the loss less crack detection, and the grade of welded joints must reach first-level.
 
6.,.The hydraulic system
 
And the part like the hydraulic cylinder,the hydraulic valve and so on will select famous factory's manufacture.
 
7.,,.,.The grab should act accurately, the operation is flexible, do not have the greatly sound. The double clamshell grab must design has the automatic balanced organization, causes grab double clamshell to opening or the closing time synchronization.
 
8.10mm,3mm.,.Whole dimension deviation of grab should less than 10mm, mostly install dimension deviation less than 3mm.If there are some special requests, machining according to drawing.
 
9.,.,3().
All the grabs are directly linked to the hooks of the cranes. When designed the grabs should match size. The grabs are connected with the hook of the cranes in links. The strength of the links can lift the 3 times weight in security (including the dead weight and the holding material weight).
 
10..The installation position of each vulnerable must be considered the replacement the conveniences
 
11.,"",,.Each grab must be painted related marking in conspicuous place, including "ENJUE"nameplate,the grab serial number , rating burthen and so on.
 
12..Other end mentioned technological requirement according to the Ministry of Communications related grab manufacture standard and enterprise standard execution.
 
,
1)/SWL:                      SWL25 T
2)./Sheave dia:                650mm
3)./Wire rope dia:            36mm
4)./Stroke:                    -1529mm
5)./Max. width when open:      3828mm
6)./Working height:             10000mm
7).()/Dead weight:                ~9.2T
 
 
,/materials;
1)./SCOOP                                       Q345B
2)./Stay bar:                                      Q345B
3)./Leave structure one of the bolster:        Q345B
4)./Pulley:                                        Q345B hot rolled
5)./Pulley axes:                                 42CrMo,strengthened
6)./Pulley axletree                      Famous-brand bearing of China
7)./Axes:                                         42CrMo,strengthened
8)./Bushing:                          ZGMn13
 
9).,/Bottom lips                      HARDOX500
10)./parts list                             /chart
 

Remote control
APLLO

Sealing parts		 PARKER
AMERICA

solenoid valve		 VICKERS
AMERICA

Hydraulic oil pipe		  EATON,MANULI
,

batteries		 STK
AMERICA

Cylinder
Local famous brand

Wire rope
 Local famous brand
Others Refer above
 
 
 
,/Techniques:
.(:1,,.2,,, )
Stencil plate unloading is cut with numerical control.(the merit: 1, slinky & indentation has no stress; 2,the aperture between the welding plates is thin, the welded stress is small and the welding line will not crazing.
2.(,)
It is protected by gas when welding, the welded stress is mall and the welding line will not crazing.
,,,,
The holes of up beam, press rods, low beam and scoops are bored by machine, it can ensure the concentric.
 
,/paint:
1., Sa2.5
All the surface of the steel structure is sand-shot to Sa2.5 grade.
2.80μm, ,80μm
Primer coating app. 80μm, top paint app. 80μm.
3.
Color of top paint: according to the customer.
 
 
,/ Work theory
,,,.,,,,,.,,.
---Closing Cycle:
    When the grab is opening, the moving board is connecting with top roof beam, and separate with down roof beam, at the that time, the hydraulic circuit system is opening, and the piston of hydraulic vat was pulled out by moving board. when grab the goods, the hook of the crane go down, the moving board go down along the hydraulic vat with the piston of the cylinder, when the moving board touch the stroke switch on the down roof beam, the stroke switch stop the electromagnetism valve to stop the hydraulic oil . The hook of the crane goes up with moving board and down roof beam, to make the grab close.
 
---Opening Cycle:
Press the radio switch, send the message to the receiver, then the electromagnetism valve open the hydraulic circuit system, the hydraulic vat was extended because of the gravity of goods and down roof beam, the down roof beam was separated from moving board, to make the grab open , and the grab can do the next closing cycle.
 
 
,/Other technical parameter
1./working voltage :       24/24V DC
2./Remote-Control distance:100()/>100m(beeline)
3./frequency :    /emission  321MHz ;/incept  331.7 MHz
4. :Charger 110-220/input 110-220V ; 2.2A /output2.2A
5. /Batteries  120(,20ºC)/Dry Cell 45A  Charging life is 120 hours non stop working (DC12~24V, new batteries)
 
Remark:
1. ,,.There is a buffer device equip on the valve of the hydraulic system on our company;s grab ,it is in order to lower the impact force when opening the grab.,thereby extending the service life of hydraulic cylinder system effectively.
 
,2-4/ Each 2-4 grab include below parts for free :
1)/hydraulic seal    1/set
2)/tools            1/set
3)remote control and receiver   1set (,)
4)/battery            1/set
5)/battery charge  1/set
    6)/grease nipple    20/unit
 
,/ Quality ensured:
,, (,,,).Within 18 months after the grabs delivered or 12 months after the operation date, we provide global sales service.(unusual employ attaint is exception, The quality ensured of import part such as hydraulic valves and pipe adapter the duration of insurance of supplier quality according to importing),
 
Documents
 
1),,,,, .
 When the supplier delivers goods, offer a crab bucket of general drawing, quick-wear parts pictures, part catalogue, user manual and maintenance manual etc.
2),
One Copy of Product Qualification Certificate
CCS BV RINA.(If request)
 
 
Contact Information
Nmae: Michael Gao
Phone:0086-17321346716



 
 

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