mechanical thumb for excavator Backhoe
Having a BONOVO mechanical thumb attached to your machinery . They will considerably improve your excavator’s polyvalence by allowing it pick up, grasp, and hold cumbersome material like rocks, trunks, concrete and branches, without any difficulty. Since both the bucket and the thumb rotate on the same axis, the thumb tip and bucket teeth maintain an even grip on the load when rotating.
In order to achieve a more perfect flt, bonovo can customlze the size according to the needs of customers.
1-40 ton
MATERIAL
HARDOX450.NM400,Q355
WORKING CONDITIONS
Thumb makes it easier to pick, hold and move awkward material that does not fit into the bucket.
Mechanical
Having a BONOVO mechanical thumb attached to your machinery . They will considerably improve your excavator’s polyvalence by allowing it pick up, grasp, and hold cumbersome material like rocks, trunks, concrete and branches, without any difficulty. Since both the bucket and the thumb rotate on the same axis, the thumb tip and bucket teeth maintain an even grip on the load when rotating.
Specification
| Tonnes | Type | A/mm | B/mm | C/mm | D/mm | weight/Kg |
| 1-2T | mechanical | 788 | 610 | 108 | 200 | 32 |
| 2-3T | mechanical | 844 | 750 | 108 | 234 | 45 |
| 3-4T | mechanical | 1030 | 800 | 118 | 270 | 87 |
| 5-6T | mechanical | 1287 | 907 | 138 | 270 | 105 |
| 7-8T | mechanical | 1375 | 1150 | 180 | 310 | 155 |
| 12-14T | mechanical | 1590 | 1405 | 232 | 400 | 345 |
| 14-18T | mechanical | 1645 | 1550 | 232 | 400 | 345 |
| 20-25T | mechanical | 1720 | 1750 | 250 | 450 | 392 |
Details of our specifications
Customizable width
Thumb width can be adjusted according to the customer's actual working conditions, commonly for two teeth modeling. The two teeth are serrated, which can better fix the material.
Mechanica
Thumb is divided into mechanical and hydraulic. mechanical is fixed on the connecting rod, the bearing part of the three-hole design can adjust the Angle of the thumb to complete the work more efficiently, while the connecting rod doesn't need to be removed. With fixed supporting, the thumb can be close to the stick arm.
Painting
Difference colors can be chosen as per request to fit different machines. Before painting, sand blasting process will be also used to be prepared for the better appereance. Two times painting are used to enhances color durability.
Application Scenario
