一种皮带输送机用皮带头尾轮螺旋拉紧机构

Abstract

本实用新型公开了一种皮带输送机用皮带头尾轮螺旋拉紧机构，包括底座和皮带辊，还包括滑动架和辊架，滑动架的两侧平行且滑动设置有一对辊架，一对辊架之间转动安装有皮带辊；底座上设置有液压伸缩柱，滑动架通过液压伸缩柱滑动设置在底座上，且和辊架滑动方向平行；滑动架上端对应各个辊架的位置沿辊架滑动方向转动设置有丝杠轴，一对辊架分别螺纹套装在相对应的丝杠轴上，一对丝杠轴的同一端同时传动连接有转动杆。本实用新型通过液压伸缩柱操控滑动架进行自动移动，并在滑动架上通过丝杠轴设置有辊架，方便工作人员对皮带进行拆卸安装时，通过液压伸缩柱进行快速调节，不需要人工进行繁琐的转动工作。

Claims

1. A belt head and tail pulley spiral tensioning mechanism for a belt conveyor, comprising a base (1) and a belt roller (8), characterized in that, It also includes a sliding frame (3) and a roller frame (6). A pair of roller frames (6) are slidably arranged on both sides of the sliding frame (3). A belt roller (8) is rotatably installed between the pair of roller frames (6). A hydraulic telescopic column (2) is provided on the base (1). The sliding frame (3) is slidably arranged on the base (1) through the hydraulic telescopic column (2) and is parallel to the sliding direction of the roller frames (6). A lead screw shaft (4) is rotatably arranged on the upper end of the sliding frame (3) corresponding to the position of each roller frame (6) along the sliding direction of the roller frame (6). A pair of roller frames (6) are respectively threaded onto the corresponding lead screw shaft (4). A rotating rod (5) is simultaneously connected to the same end of the pair of lead screw shafts (4).

2. The head and tail pulley screw tensioner mechanism for a belt conveyor according to claim 1, characterized in that, The sliding frame (3) includes a frame plate (301), the lower end face of which is slidably mounted on the base (1), and the end face of the frame plate (301) is connected to a hydraulic telescopic column (2); the upper end face of the frame plate (301) is provided with two sets of support rods (305), and each set of support rods (305) is provided with a lead screw shaft (4) and a slide rod (306) parallel to the moving direction of the sliding frame (3), and the roller frame (6) is slidably mounted on the slide rod (306) and moved by the lead screw shaft (4).

3. The head and tail pulley screw take-up mechanism for a belt conveyor according to claim 2, characterized in that, The base (1) includes a T-shaped slide groove (101). A pair of T-shaped sliders (302) are arranged parallel to each other on the lower end face of the frame plate (301). The upper end face of the base (1) is provided with matching T-shaped slide grooves (101) corresponding to the positions of each T-shaped slider (302). The T-shaped sliders (302) are slidably installed in the T-shaped slide grooves (101).

4. The head and tail pulley screw take-up mechanism for a belt conveyor according to claim 2, characterized in that, The upper end face of the base (1) is provided with an installation sleeve (102), and the hydraulic telescopic column (2) is installed in the installation sleeve (102); the end of the frame plate (301) near the hydraulic telescopic column (2) is provided with a locking sleeve (303), and the locking sleeve (303) is provided with a first mounting bolt (304), and the telescopic end of the hydraulic telescopic column (2) is installed on the locking sleeve (303) through the first mounting bolt (304).

5. The head and tail pulley screw take-up mechanism for a belt conveyor according to claim 2, wherein The roller frame (6) includes a sliding hole (601) and a threaded hole (602). The roller frame (6) is provided with matching sliding holes (601) and threaded holes (602) at positions corresponding to the sliding rod (306) and the lead screw shaft (4). The roller frame (6) is slidably mounted on the sliding rod (306) through the sliding hole (601) and fitted onto the lead screw shaft (4) through the threaded hole (602). A locking bolt (7) is provided on the side of one of the roller frames (6) at a position corresponding to the sliding rod (306). The locking bolt (7) abuts against the sliding rod (306).

6. The head and tail pulley screw take-up mechanism for a belt conveyor according to claim 1, characterized in that, The rotating rod (5) includes a second bevel gear (501) and a rotating handwheel (502); the same end of a pair of lead screw shafts (4) extends through the sliding frame (3) and is provided with a first bevel gear (401); the rotating rod (5) is rotatably mounted on the side of the sliding frame (3) near the first bevel gear (401), and the rotating rod (5) is provided with a second bevel gear (501) corresponding to the position of each first bevel gear (401), and the first bevel gear (401) and the second bevel gear (501) mesh with each other; a rotating handwheel (502) is provided at one end of the rotating rod (5).

7. The head and tail pulley screw take-up mechanism for a belt conveyor according to claim 1, characterized in that, The roller frame (6) includes a top cover (603), the top cover (603) is detachably installed on the upper end of the roller frame (6), a bearing (607) is embedded between the upper end of the roller frame (6) and the top cover (603), and the two ends of the belt roller (8) are rotatably installed through the bearing (607).

8. The belt head and tail pulley spiral tensioning mechanism for a belt conveyor according to claim 7, characterized in that, The top cover (603) is symmetrically provided with second mounting ears (605) on both sides, and second mounting bolts (606) are provided on the second mounting ears (605); the roller frame (6) is provided with first mounting ears (604) corresponding to the positions of each second mounting ear (605) on its side, and the second mounting ears (605) are detachably mounted on the first mounting ears (604) by means of the second mounting bolts (606).

Images