一种伸缩式皮带机拖车

Abstract

本实用新型公开了一种伸缩式皮带机拖车，包括可拆卸相连的牵引车和拖车，拖车上沿其前进方向依次设有转台、液压系统、电控系统和柴油发电机组，转台上设有上料皮带机和布料皮带机，上料皮带机可相对转台在竖直平面内倾转至拖车的后方，以将低处的混凝土输送至布料皮带机上，布料皮带机可相对转台沿拖车长度方向伸缩，其用于将混凝土输送至目的地；布料皮带机采用头部驱动方式，并设有皮带收放结构和管线伸缩机构，皮带收放结构能够随布料臂架伸缩而收放布料皮带，管线穿设在管线伸缩机构上，管线伸缩机构用于驱动管线随布料臂架伸长或收回。本实用新型的设备及运输成本低，且能够减少皮带张紧，减少过程中功率损失和皮带对臂架的影响。

Claims

1. A telescopic belt conveyor trailer, characterized in that, Includes a tractor (1) and a trailer (5), which are detachably connected. The trailer (5) is equipped with a turntable (6), a hydraulic system (4), an electrical control system (3) and a diesel generator set (2) in sequence along its forward direction. The turntable (6) can rotate horizontally and is equipped with a feeding conveyor and a placing conveyor. The feeding conveyor is located above the placing conveyor and can tilt relative to the turntable (6) in the vertical plane to the rear of the trailer (5). The feeding conveyor is used to transport concrete from a low position to the placing conveyor. The placing conveyor can extend and retract relative to the turntable (6) along the length of the trailer (5) and is used to transport concrete to the destination. The fabric conveyor belt includes a fabric boom (7), a drive assembly (10), a pipeline telescopic mechanism (11), a fabric belt (9), and a pipeline (12). The fabric boom (7) has N sections, N≥3, and the previous section of the fabric boom (7) can be retracted into the next section of the fabric boom (7) or extended from the next section of the fabric boom (7); The drive assembly (10) includes a head drive roller (101) and a belt retraction structure. The head drive roller (101) is located at the front end of the first section of the fabric boom (7). The belt retraction structure is located on the fabric boom (7). The fabric belt (9) is annularly tensioned between the head drive roller (101) and the belt retraction structure. The belt retraction structure can release the fabric belt (9) when the fabric boom (7) extends, so that it extends with the fabric boom (7) and can retract the fabric belt (9) when the fabric boom (7) retracts, so that it retracts with the fabric boom (7). The pipeline telescopic mechanism (11) is mounted on the fabric boom (7). The pipeline (12) passes through the pipeline telescopic mechanism (11). The head end of the pipeline (12) extends from the pipeline telescopic mechanism (11) and is connected to the head drive roller (101). Its rear end extends from the pipeline telescopic mechanism (11) and is connected to the power source. The pipeline telescopic mechanism (11) is used to drive the pipeline (12) to extend or retract with the fabric boom (7).

2. The retractable belt conveyor trailer of claim 1, wherein, The pipeline telescopic mechanism (11) includes N-1 sections of slide rail (111), which are respectively installed on the second to the Nth sections of the fabric boom (7). Each section of slide rail (111) is arranged along the telescopic direction of the fabric boom (7). Multiple sliding structures (112) are slidably installed on each section of slide rail (111). Multiple sliding structures (112) are arranged at intervals along the length direction of the corresponding slide rail (111). The height position of the previous section of slide rail (111) corresponds to the height position of the sliding structure (112) on the next section of slide rail (111). The pipeline (12) passes through the sliding structure (112) on each section of slide rail (111) in sequence.

3. The retractable belt conveyor trailer of claim 2, wherein, The sliding structure (112) at the rear end of each fabric boom (7) is fixed on the corresponding slide rail (111).

4. The retractable belt line trailer of claim 1, wherein, The drive assembly (10) also includes a tail drive roller (102), and a fabric belt (9) is annularly tensioned between the head drive roller (101), the tail drive roller (102) and the belt retraction structure.

5. The retractable belt conveyor trailer of claim 4, wherein, The belt retraction structure includes redirecting rollers (103) located at the rear end of the first section of the fabric boom (7), the front end of the Nth section of the fabric boom (7), and the front and rear ends of the remaining sections of the fabric boom (7). The fabric belt (9) sequentially passes over the tail drive roller (102), the head drive roller (101), the redirecting roller (103) at the rear end of the first section of the fabric boom (7), the redirecting roller (103) at the front end of the second section of the fabric boom (7), and the redirecting roller (103) at the rear end of the second section of the fabric boom (7). 3), ..., the reversing roller (103) at the front end of the N-1th section of the fabric boom (7), the reversing roller (103) at the rear end of the N-1th section of the fabric boom (7), and the reversing roller (103) at the front end of the Nth section of the fabric boom (7) reach the tail drive roller (102); the previous section of the fabric boom (7) extends out from the next section of the fabric boom (7), and the reversing roller (103) at the rear end of the previous section of the fabric boom (7) is located above and behind the reversing roller (103) at the front end of the next section of the fabric boom (7).

6. The telescoping belt conveyor trailer of claim 5, wherein, The drive assembly (10) also includes two tension rollers (104), which are located at the rear end of the Nth section of the fabric boom (7) and on both sides of the tail drive roller (102). The fabric belt (9) extends from both ends of the drive roller and passes over the corresponding tension rollers (104).

7. The retractable belt line trailer of claim 4, wherein, The power source is a power source, and the pipeline (12) is a cable; or, the power source is a hydraulic source, and the pipeline (12) is a hydraulic oil pipe.

8. The conveyor trailer of any of claims 1-7, wherein, A lifting cylinder is hinged between the rear end of the fabric boom (7) and the turntable (6), and the lifting cylinder is used to drive the fabric boom (7) to pitch.

9. The conveyor trailer of any of claims 1-7, wherein, The upper rear end of the trailer (5) is provided with a slewing bearing (54), which is rotatably connected to the turntable (6).

10. The conveyor trailer of any of claims 1-7, wherein, The lower front end of the trailer (5) is provided with hydraulic stabilizing outriggers (53). The hydraulic stabilizing outriggers (53) retract when the trailer (5) is moving and extend to support the ground when the trailer (5) is working.

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