Simple device for replacing belt idler
Patent Information
- Application Number
- CN202522114632.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-09-30
AI Technical Summary
但托辊长期高负荷运转、卷入杂物,易磨损或卡辊,导致皮带跑偏、异常磨损,影响生产,需及时维护更换
[0014] 1. The simplified device for replacing belt idlers in this technical solution can directly lift the belt through the lifting bracket, eliminating the need for manual lifting. It can be operated by one person, reducing manpower input. The movable pressing rod, together with the limiting shaft, through rod and other components, can stably fix the lifting height, prevent belt shaking, and reduce the risk of mechanical injury when replacing idlers.
Smart Images

Figure CN224738204U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of replacement device technology, and in particular to a simple device for replacing belt idlers. Background Technology
[0002] In coal mine production, belt idlers support the conveyor belt and ensure stable coal transportation. However, long-term high-load operation and the accumulation of debris can cause wear or jamming of the idlers, leading to belt misalignment and abnormal wear, which affects production and requires timely maintenance and replacement.
[0003] The existing replacement method requires the use of two to four simple devices to replace the belt idlers. Two simple devices require the use of wooden sticks to lift the belt, and one simple device requires the use of a person to disassemble and replace the idlers. This not only consumes manpower and increases the physical burden on workers, but also poses risks such as falls from heights and mechanical injuries due to multiple people working and workers shuttling through the belt. Utility Model Content
[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a simple device for replacing belt idlers. It does not require manual lifting and can be operated by one person, reducing manpower input, can stably fix the lifting height, avoid belt shaking, reduce the risk of mechanical injury when replacing idlers, adapt to different working scenarios, improve the stability of the device, and ensure work safety.
[0005] This utility model also provides a simple device for replacing belt idlers, including a support rod, one end of which is fixedly connected to a first horizontal support, and the other end of which is fixedly connected to a second horizontal support. A lifting support is movably connected to the support rod and the first horizontal support, and a movable pressing rod is movably connected to the support rod.
[0006] According to the present invention, a simple device for replacing belt rollers is provided, wherein universal wheels are fixedly connected to both ends of the first horizontal support and the second horizontal support, and side brake pads are movably connected to the sides of the universal wheels.
[0007] According to the present invention, a simple device for replacing belt rollers is provided, wherein a matching groove is provided on the lifting bracket, a limiting shaft is fixedly connected in the matching groove, and a first collar is fixedly connected to one end of the movable pressing rod, the first collar being sleeved and movably connected to the limiting shaft.
[0008] According to the present invention, a simple device for replacing belt rollers is provided, wherein a limiting groove is provided on the movable pressing rod, a limiting rod is fixedly connected to the support rod, and the limiting rod is movably connected to the limiting groove.
[0009] According to the present invention, a simple device for replacing belt rollers is provided, wherein a semi-circular plate is fixedly connected to the second horizontal support, and a plurality of reserved slots are provided on the semi-circular plate; a second shaft collar is fixedly connected to the other end of the movable pressing rod; and a through rod is movably connected to the reserved slot and the limiting shaft respectively.
[0010] According to the present invention, a simple device for replacing belt rollers is provided, wherein one end of the through rod is fixedly connected to a limiting piece, the limiting piece is movably connected to the side of the semi-circular plate, and a handle is fixedly connected to the side of the limiting piece.
[0011] According to the present invention, a simple device for replacing belt rollers is provided, wherein a plurality of extension blocks are fixedly connected to the support rod, and a square pull-out groove is correspondingly provided on the extension block, and a square pull-out block is movably connected through the square pull-out groove.
[0012] According to the present invention, a simple device for replacing belt rollers is provided, wherein a limiting lever is fixedly connected to the upper end of the square pull block, and the limiting lever is movably connected to the side of the movable pressing rod.
[0013] Beneficial effects:
[0014] 1. The simplified device for replacing belt idlers in this technical solution can directly lift the belt through the lifting bracket, eliminating the need for manual lifting. It can be operated by one person, reducing manpower input. The movable pressing rod, together with the limiting shaft, through rod and other components, can stably fix the lifting height, prevent belt shaking, and reduce the risk of mechanical injury when replacing idlers.
[0015] 2. The casters at both ends of the first and second horizontal supports facilitate the movement of the device, and the side brake pads can fix the position to adapt to different working scenarios; the square pull block and square pull slot work together to help fix the movable pressing rod through the limit lever, improve the stability of the device and ensure the safety of operation. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a structural diagram of a simple device for replacing belt rollers according to the present invention;
[0018] Figure 2 The present utility model proposes Figure 1 Enlarged view of point A in the middle;
[0019] Figure 3 This is a cross-sectional view of a simple device for replacing belt rollers according to the present invention;
[0020] Figure 4 This is a cross-sectional view of the fixed structure of a simple device for replacing belt rollers according to the present invention.
[0021] Legend:
[0022] 1. Support rod; 2. First horizontal support; 3. Second horizontal support; 4. Lifting support; 5. Matching slot; 6. Limiting rod; 7. Movable pressing rod; 8. Semicircular plate; 9. Extension block; 10. Caster wheel; 11. Side brake pad; 12. Reserved slot; 13. Through rod; 14. Limiting piece; 15. Handle; 16. Square pull-out slot; 17. Square pull-out block; 18. Limiting shaft; 19. First axle collar; 20. Limiting movable slot; 21. Second axle collar; 22. Limiting lever. Detailed Implementation
[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0024] Reference Figure 1-4 This utility model provides a simple device for replacing belt idlers, which includes a support rod 1. One end of the support rod 1 is fixedly connected to a first horizontal support 2, and the other end of the support rod 1 is fixedly connected to a second horizontal support 3 to enhance the structural stability of the support rod 1. A lifting support 4 is movably connected to the support rod 1 and the first horizontal support 2. A movable pressing rod 7 is movably connected to the support rod 1 and is used to adjust the height of the lifting support 4.
[0025] Specifically, the first horizontal support 2 and the second horizontal support 3 are fixedly connected to the two ends of the universal wheels 10, and the sides of the universal wheels 10 are movably connected to the side brake pads 11. The side brake pads 11 can fix the universal wheels 10 and prevent the device from shifting during operation.
[0026] Specifically, the lifting bracket 4 has a matching groove 5, and a limiting shaft 18 is fixedly connected in the matching groove 5. One end of the movable pressing rod 7 is fixedly connected to a first collar 19, which is movably connected to the limiting shaft 18. Through the cooperation between the first collar 19 and the limiting shaft 18, the movable pressing rod 7 can drive the lifting bracket 4 to rotate and adjust.
[0027] Specifically, a limiting groove 20 is provided on the movable pressing rod 7, and a limiting rod 6 is fixedly connected to the support rod 1. The limiting rod 6 is movably connected through the limiting groove 20. The limiting rod 6 cooperates with the limiting groove 20 to limit the range of motion of the movable pressing rod 7 and prevent it from deviating.
[0028] Specifically, a semicircular plate 8 is fixedly connected to the second horizontal support 3. Multiple reserved slots 12 are provided on the semicircular plate 8. A second collar 21 is fixedly connected to the other end of the movable pressing rod 7. A through rod 13 is movably connected through the reserved slot 12 and the limiting shaft 18 respectively. The through rod 13 is inserted into different reserved slots 12 to fix the position of the movable pressing rod 7, thereby fixing the height of the support bracket 4.
[0029] Specifically, one end of the through rod 13 is fixedly connected to a limiting piece 14, which is movably connected to the side of the semi-circular plate 8. A handle 15 is fixedly connected to the side of the limiting piece 14, which facilitates the operator to insert and remove the through rod 13.
[0030] Specifically, multiple extension blocks 9 are fixedly connected to the support rod 1. A square pull-out groove 16 is correspondingly provided on the extension block 9. A square pull-out block 17 is movably connected through the square pull-out groove 16. The square pull-out block 17 can move along the square pull-out groove 16.
[0031] Specifically, the upper end of the square pull block 17 is fixedly connected to a limiting lever 22, which is movably connected to the side of the movable pressing rod 7. The height of the lifting bracket 4 can be further adjusted by inserting different square pull slots 16.
[0032] Working principle:
[0033] When in use, push the device; the casters 10 will move the entire unit to the work site. Lower the side brake pads 11 to fix the position. Rotate the movable pressing rod 7; through the cooperation of the first collar 19 and the limiting shaft 18, the lifting bracket 4 will lift the belt. The limiting rod 6 will move within the limiting movable groove 20 to limit the range. Insert the through rod 13 through the second collar 21 into the corresponding reserved groove 12 to fix the lifting height. Move the square pull block 17 so that the limiting lever 22 abuts against the movable pressing rod 7 for auxiliary fixation, and then the idler roller can be replaced.
[0034] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A simple device for replacing belt idlers, comprising a support rod (1), characterized in that: One end of the support rod (1) is fixedly connected to a first horizontal support (2), and the other end of the support rod (1) is fixedly connected to a second horizontal support (3). A lifting support (4) is movably connected to the support rod (1) and the first horizontal support (2), and a movable pressing rod (7) is movably connected to the support rod (1).
2. The simple device for replacing belt idlers according to claim 1, characterized in that, The first horizontal support (2) and the second horizontal support (3) are fixedly connected to each other at both ends, and the sides of the horizontal support (10) are movably connected to each other with side brake pads (11).
3. The simple device for replacing belt idlers according to claim 1, characterized in that, The lifting bracket (4) has a matching slot (5), and a limiting shaft (18) is fixedly connected in the matching slot (5). One end of the movable pressing rod (7) is fixedly connected to a first collar (19), which is sleeved and movably connected to the limiting shaft (18).
4. The simple device for replacing belt idlers according to claim 1, characterized in that, The movable pressing rod (7) has a limiting groove (20), and the support rod (1) is fixedly connected to a limiting rod (6), which is movably connected to the limiting groove (20).
5. A simple device for replacing belt idlers according to claim 1, characterized in that, A semicircular plate (8) is fixedly connected to the second horizontal support (3). A plurality of reserved slots (12) are provided on the semicircular plate (8). A second collar (21) is fixedly connected to the other end of the movable pressing rod (7). A through rod (13) is movably connected to the reserved slot (12) and the limiting shaft (18).
6. A simple device for replacing belt idlers according to claim 5, characterized in that, One end of the through rod (13) is fixedly connected to a limiting piece (14), which is movably connected to the side of the semicircular plate (8). A handle (15) is fixedly connected to the side of the limiting piece (14).
7. A simple device for replacing belt idlers according to claim 1, characterized in that, Multiple extension blocks (9) are fixedly connected to the support rod (1). A square pull-out groove (16) is correspondingly provided on the extension block (9). A square pull-out block (17) is movably connected through the square pull-out groove (16).
8. A simple device for replacing belt idlers according to claim 7, characterized in that, The upper end of the square pull block (17) is fixedly connected to a limiting lever (22), and the limiting lever (22) is movably connected to the side of the movable pressing rod (7).