China Excavator Hitachi Double Quick Hitch Coupler Manufacturers Quick Bucket Change

Quick couplers (also called quick hitches) are used with construction machines to allow the rapid change of buckets and attachments on the machine. They remove the need to use hammers to manually drive out and insert the mounting pins for attachments. They can be used on excavator, mini excavator, backhoe loader and so on.
We can supply three type: hydraulic type, Double lock type and Mechanical type.
Multi-quick hitch
Multi-Quick Coupler SpecificationModelUnitRQH01D(a)RQH01D(b)RQH02DRQH04DRQH06DRQH08DRQH10D(a)RQH10D(b)Carrier WeightT1~22~44~66~810~1515~2725~3230~36Pin Diametermm3035/404550/5560/6570/809090/100Arm Width(W1)mm105~125110~135140~180185~220220~270300-340350~390390~420Center To Center(A1)mm120~140140~215185~290260~320340~430380~490460~530480~550Equipping Distance(A2)mm120~140140~215185~290260~320340~430380~490460~530480~550
Up and Down pin
center distance(H1)mm125125165-175200245275315 Working PressureBar40~24840~24840~24840~20540~20540~20540~20540~205Oil FlowL/min10~2010~2010~2010~2010~2010~2010~2010~20Unit WeightKg2023.551-80110185340500 Unit Lengthmm370400505-6106558209801060 Unit Widthmm220240275-330312440510560 Unit Highmm210210265-320335410490560 Lifting Eye RatingT112-3458
We can also product hydraulic type and double lock type.

Advantages:
1. Welding Technique: 17 years experience, full welding and not easy to crack.
2. Grease Nipple: Make pin not easy to wear
3. Double Lock System: Front jaw lock and Rear safety lock make the operation much safer. Which embrace the pins tightly even if the cylinder suddenly inoperation.
4. imported oil cylinder and not easy to damage
5. Without safety pin and excavator operator can operate it in the cab alone.
6. Wide range of application: Compared with fixed C to C distance(A) of routine quick hitch, multi quick hitch is more flexible. It is suitable for all attachments with the C to C distance(A) within its range.

1. Open the cylinder, and ensure slide is fully extended with front jaw safety lock open.
2. Line up attachments and engage front attachments pin.
3. Close the cylinder. This will retract the slide mechanism and this will visibly lock the front jaw safety latch around front attachment pin.
4. Open the cylinder again. The sliding mechanism will extend and engage the rear slide hook onto the rear attachment pin.
5. Proceed with connection test.


RAY ATTACHMENTS includes Changzhou Raymond International Trading Company and Changzhou Raymond Precision Machinery Co.,Ltd. It is a Integrated Company dedicated to production, research and development and sales of construction machinery attachments.with 17 years experience. The main products include earth auger, quick hitch, hydraulic breaker, vibro ripper and other heavy duty equipment. Our company covers an area of more than 20000 square meters and has more than 150 employees, including professional R & D teams and Sales Department. Welcome to visit!