一种驱动前置的伸缩皮带机
By placing a drive unit and drive wheel at the front end of the telescopic boom, which directly acts on the load belt, and using a cable retraction mechanism to make the cable extend and retract with the boom, the problems of excessive belt tension and power loss in the existing technology are solved, thereby improving the service life and efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY SUNWARD ENG EQUIP CO LTD
- Filing Date
- 2025-09-23
- Publication Date
- 2026-07-17
AI Technical Summary
The belt drive of existing telescopic belt conveyors is located at the rear end of the boom, which causes the belt to be over-tensioned, reducing its service life, increasing power loss and operating costs. At the same time, the boom sways under stress, affecting its service life.
The drive unit and drive wheel are placed at the front end of the telescopic boom, directly acting on the load belt. The cable is arranged between the telescopic booms through a cable retraction mechanism, so that the cable extends and retracts with the boom, providing power support.
Reduce belt tension, decrease power loss, extend belt life, reduce impact on boom, and improve equipment efficiency and reliability.
Smart Images
Figure CN224512234U_ABST
Abstract
Claims
1. A drive-prepended telescopic belt conveyor, characterized in that, It includes a fabric boom, drive assembly, cable retraction mechanism, fabric belt (8) and cable (9). The fabric boom has N sections, where N≥3. The previous section of the fabric boom can retract into the next section of the fabric boom, or extend from the next section of the fabric boom. The drive assembly includes a drive unit (4), a drive wheel (5), and a belt retraction structure. The drive unit (4) and the drive wheel (5) are both located at the front end of the first section of the fabric boom. The drive unit (4) and the drive wheel (5) are connected by a drive to drive the drive wheel (5) to rotate. The belt retraction structure is located on the fabric boom. The fabric belt (8) is tensioned in a ring between the drive wheel (5) and the belt retraction structure. The belt retraction structure can release the fabric belt (8) when the fabric boom extends, so that it extends with the fabric boom. It can also retract the fabric belt (8) when the fabric boom retracts, so that it retracts with the fabric boom. The cable winding mechanism is located on the fabric boom. The cable (9) is threaded through the cable winding mechanism. The head end of the cable (9) extends from the cable winding mechanism and is electrically connected to the drive wheel (5). The rear end extends from the cable winding mechanism and is electrically connected to the power supply. The cable winding mechanism is used to drive the cable (9) to extend or retract with the fabric boom.
2. The drive-prepended telescopic belt conveyor according to claim 1, characterized in that, The cable winding and unwinding mechanism includes N-1 sections of cable chain. The cable (9) is installed in sections on the N-1 sections of cable chain. The moving end of the M-1 section of cable chain is connected to the rear end of the M-1 section of the fabric boom. The fixed end of the M-1 section of cable chain is fixed in the middle of the M-1 section of the fabric boom. When the M-1 section of the fabric boom retracts, it drives the main body of the M-1 section of cable chain to move from the front half of the M-1 section of the fabric boom to the rear half of the M-1 section of the fabric boom. Wherein, 2≤M≤N.
3. The drive-prepended telescopic belt conveyor according to claim 2, characterized in that, The cable retraction mechanism also includes a front drag chain groove of section N-1 and a rear drag chain groove of section N-1. The front drag chain groove of section N-1 and the rear drag chain groove of section N-1 are respectively arranged on the second to the Nth sections of the fabric boom. The front drag chain groove on the Mth section of the fabric boom is located directly in front of the rear drag chain groove on the same section of the fabric boom. When the M-1th section of the fabric boom is fully extended, the front end of the front drag chain groove on the Mth section of the fabric boom extends into the rear end of the M-1th section of the fabric boom. The fixed end of the M-th segment of the cable chain is fixed in the rear end of the front cable chain groove on the M-th section of the fabric boom. When the M-1 section of the fabric boom extends, the main body of the M-th segment of the cable chain is located in the front cable chain groove on the M-th section of the fabric boom. When the M-1 section of the fabric boom retracts, it drives the main body of the M-th segment of the cable chain to move to the rear cable chain groove on the M-th section of the fabric boom.
4. The drive-prepended telescopic belt conveyor according to claim 3, characterized in that, The positions of the front and rear drag chain grooves on the M-1 section of the fabric boom are more inward than those on the M section of the fabric boom.
5. The drive-prepended telescopic belt conveyor according to claim 3, characterized in that, The rear drag chain groove on section M of the fabric boom is positioned slightly higher than the front drag chain groove on the same section of the fabric boom.
6. The telescopic belt conveyor with front-mounted drive according to claim 2, characterized in that, The cable (9) is rotated and installed on each section of the drag chain.
7. The drive-prepended telescopic belt conveyor according to any one of claims 1 to 6, characterized in that The belt retraction structure includes driven wheels (6) located at the rear end of the first section of the fabric boom, the front end of the Nth section of the fabric boom, and the front and rear ends of the remaining sections of the fabric boom. The fabric belt (8) passes sequentially around the drive wheel (5), the driven wheel (6) at the rear end of the first section of the fabric boom, the driven wheel (6) at the front end of the second section of the fabric boom, the driven wheel (6) at the rear end of the second section of the fabric boom, ..., the driven wheel (6) at the front end of the N-1th section of the fabric boom, the driven wheel (6) at the rear end of the N-1th section of the fabric boom, and the driven wheel (6) at the front end of the Nth section of the fabric boom before reaching the drive wheel (5). The front and rear of the previous section of the fabric boom extends from the rear section of the fabric boom, and the driven wheel (6) at the rear end of the previous section of the fabric boom is located above and behind the driven wheel (6) at the front end of the rear section of the fabric boom.
8. The drive-prepended telescopic belt conveyor according to claim 7, characterized in that, The Nth section of the fabric boom has two driven wheels (6) at the rear end. The two driven wheels (6) at the rear end of the Nth section of the fabric boom are located at the upper and lower ends of the inner frame of the Nth section of the fabric boom.
9. The drive-prepended telescopic belt conveyor according to any one of claims 1-6, characterized in that, Each section of the fabric boom is also equipped with multiple rollers to support the fabric belt (8).
10. The drive-prepended telescopic belt conveyor according to any one of claims 1-6, characterized in that, The fabric boom has 3 sections.