Belt conveyor transfer station maintenance window electrically operated lifting seal curtain
Patent Information
- Application Number
- CN202522450603.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2026-10-23
- Estimated Expiration
- 2035-11-19
AI Technical Summary
[0003]传统维修窗普遍采用敞开式无密封设计，导致皮带机运转时粉尘从窗口外溢，成为厂房主要产尘源，严重污染周边环境并危害作业人员健康，极端天气下，风雨雪直接侵入厂房，侵蚀设备及现场设施，加剧设备损耗与安全隐患，此类设计缺陷不仅违背绿色环保生产要求，更成为制约矿山及同类工业场景高效、安全运行的行业共性难题
[0018]1.当使用该一种皮带运输机转运站维修窗电动升降密封帘时，该装置通过电动驱动实现维修窗口的密封与开启，在初始状态下，油帆布整体覆盖转运站维修窗口，当需要检修时，启动驱动机构放卷吊装机构，此时固定框架在自重作用下，其两侧沿窗帘框内腔竖向滑动，固定框架及油帆布平稳下降至底部，完全显露维修窗口，此时，工作人员需要将吊装机构分离，然后，启动驱动机构，随后，检修人员可操作检修葫芦沿预设轨道吊运设备进出，当检修完成后，启动驱动机构通过吊装机构带动固定框架上升，油帆布重新覆盖窗口形成密封，综上所述，该装置通过机械传动与密封结构的协同设计，实现了维修窗口的快速开启与可靠密封，在保障设备检修便利性的同时，有效控制粉尘扩散及天气侵蚀，适用于皮带运输机转运站等需要频繁检修且对密封要求高的工业场景。
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Figure CN224885482U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric lifting sealing curtain technology, and in particular to an electric lifting sealing curtain for the maintenance window of a belt conveyor transfer station. Background Technology
[0002] As a key node in industrial bulk material transportation, the design of maintenance windows at belt conveyor transfer stations directly affects dust control and equipment maintenance efficiency. Taking a certain iron mine as an example, its two belt conveyor production lines for crushing and dry beneficiation have an annual capacity of tens of millions of tons. All 15 transfer stations are equipped with large-sized maintenance windows, with electric hoist tracks extending out of the walls at the top for hoisting parts during equipment maintenance.
[0003] Traditional maintenance windows are generally open and unsealed, causing dust to spill out of the windows when the conveyor belt is running, becoming a major source of dust in the factory. This seriously pollutes the surrounding environment and endangers the health of workers. In extreme weather, wind, rain and snow directly enter the factory, corroding equipment and on-site facilities, exacerbating equipment wear and safety hazards. Such design flaws not only violate the requirements of green and environmentally friendly production, but also become a common industry problem that restricts the efficient and safe operation of mines and similar industrial scenarios.
[0004] Therefore, to address the problem of ineffective dust control when used in conveyor belt transfer station scenarios, an electrically operated lifting and sealing curtain for the maintenance window of a conveyor belt transfer station can be designed. When using this curtain, the device achieves sealing and opening of the maintenance window via electric drive. In the initial state, the tarpaulin completely covers the maintenance window. When maintenance is required, the drive mechanism and the unwinding and hoisting mechanism are activated. At this time, under its own weight, the fixed frame slides vertically along the inner cavity of the curtain frame on both sides, and the fixed frame and tarpaulin smoothly descend to the bottom, fully exposing the maintenance area. At this point, the staff needs to separate the hoisting mechanism and then start the drive mechanism. Subsequently, the maintenance personnel can operate the maintenance hoist to hoist the equipment in and out along the preset track. After the maintenance is completed, the drive mechanism is started to lift the fixed frame through the hoisting mechanism, and the tarpaulin is used to cover the window again to form a seal. In summary, this device achieves rapid opening and reliable sealing of the maintenance window through the coordinated design of mechanical transmission and sealing structure. While ensuring the convenience of equipment maintenance, it effectively controls dust diffusion and weather erosion. It is suitable for industrial scenarios such as belt conveyor transfer stations that require frequent maintenance and have high sealing requirements. Utility Model Content
[0005] Traditional maintenance windows generally adopt an open, unsealed design, which causes dust to spill out of the windows when the conveyor belt is running, becoming a major source of dust in the factory, seriously polluting the surrounding environment and endangering the health of workers. Therefore, when used in a transport transfer station setting, it is inconvenient to effectively control the spread of dust.
[0006] The technical solution of this utility model is as follows: an electric lifting and sealing curtain for the maintenance window of a belt conveyor transfer station, including a curtain frame and an oiled canvas. The oiled canvas is provided on the inner side of the curtain frame. A fixed frame is embedded and slidably provided on the top inner side of the curtain frame. A driving mechanism is provided above the fixed frame. The driving mechanism is connected to a hoisting mechanism. The upper end of the oiled canvas is fixedly connected to the fixed frame. Supporting mechanisms are symmetrically provided on both sides of the oiled canvas. The size of the oiled canvas covers the maintenance window of the transfer station.
[0007] Preferably, when using this type of electrically operated lifting and sealing curtain for the maintenance window of a belt conveyor transfer station, the device achieves the sealing and opening of the maintenance window through electric drive. In the initial state, the tarpaulin completely covers the maintenance window of the transfer station. When maintenance is required, the drive mechanism is activated to unload the hoisting mechanism. At this time, under its own weight, the fixed frame slides vertically along the inner cavity of the curtain frame on both sides. The fixed frame and the tarpaulin smoothly descend to the bottom, fully exposing the maintenance window. At this time, the staff needs to separate the hoisting mechanism, and then activate the drive mechanism. Subsequently, the maintenance personnel can operate the maintenance hoist to hoist the equipment in and out along the preset track. After the maintenance is completed, the drive mechanism is activated to lift the fixed frame through the hoisting mechanism, and the tarpaulin covers the window again to form a seal. In summary, this device achieves rapid opening and reliable sealing of the maintenance window through the coordinated design of mechanical transmission and sealing structure. While ensuring the convenience of equipment maintenance, it effectively controls dust diffusion and weather erosion. It is suitable for industrial scenarios such as belt conveyor transfer stations that require frequent maintenance and have high sealing requirements.
[0008] Preferably, the support mechanism includes clamps, and multiple sets of clamps are symmetrically arranged on both sides of the canvas, with two sets of clamps corresponding one to one and fixedly connected to the canvas by bolts.
[0009] Preferably, a mounting base is provided above the curtain frame, and the mounting base is fixedly connected to the inner side of the upper wall of the transfer station inspection window by bolt structure.
[0010] Preferably, the drive mechanism includes an electric hoist and a wire rope, with the electric hoist fixedly mounted on the side wall of the mounting base, and the wire rope wound inside the electric hoist.
[0011] Preferably, the lifting mechanism includes a hook and a lifting lug, with the hook fixedly installed at the lower end of the wire rope and the lifting lug fixedly installed at the top of the fixed frame, and the hook and the lifting lug are hooked together.
[0012] Preferably, a fixing seat is provided between the electric hoist and the fixed frame, and the fixing seat is fixedly connected to the inner side of the upper wall of the inspection window of the transfer station by bolt structure.
[0013] Preferably, a rotating shaft is rotatably installed inside the fixed base, and a guide wheel is fixedly sleeved on the side wall of the rotating shaft, with the wire rope slidably connected to the guide wheel.
[0014] Preferably, multiple sets of triangular support frames are fixedly installed inside the fixed frame, and the multiple sets of triangular support frames are arranged in a horizontal array.
[0015] Preferably, grooves are provided on both sides of the fixed frame, and multiple sets of sliding wheels are rotatably installed inside each groove, with the sliding wheels located between the groove and the inner cavity of the curtain frame.
[0016] Preferably, multiple sets of sliding wheels are arranged in a vertical array and are rotatably connected to the inner wall of the groove via a rotating shaft.
[0017] The beneficial effects of this utility model are:
[0018] 1. When using this type of electrically operated lifting and sealing curtain for the maintenance window of a belt conveyor transfer station, the device achieves sealing and opening of the maintenance window through electric drive. In the initial state, the tarpaulin completely covers the maintenance window of the transfer station. When maintenance is required, the drive mechanism is activated to unload the hoisting mechanism. At this time, under its own weight, the fixed frame slides vertically along the inner cavity of the curtain frame on both sides. The fixed frame and the tarpaulin smoothly descend to the bottom, fully exposing the maintenance window. At this time, the staff needs to separate the hoisting mechanism, and then activate the drive mechanism. Subsequently, the maintenance personnel can operate the maintenance hoist to hoist the equipment in and out along the preset track. After the maintenance is completed, the drive mechanism is activated to lift the fixed frame through the hoisting mechanism, and the tarpaulin covers the window again to form a seal. In summary, this device achieves rapid opening and reliable sealing of the maintenance window through the coordinated design of mechanical transmission and sealing structure. While ensuring the convenience of equipment maintenance, it effectively controls dust diffusion and weather erosion. It is suitable for industrial scenarios such as belt conveyor transfer stations that require frequent maintenance and have high sealing requirements.
[0019] 2. The tarpaulin completely covers the window to prevent dust from spilling out and polluting the environment, as well as to prevent extreme weather from corroding the internal equipment, effectively solving the problem of sealing the window during maintenance.
[0020] 3. The fixed frame slides into the curtain frame, and the guide wheels provide vertical guidance to ensure a smooth and vertical lifting process and prevent swaying.
[0021] 4. The electric hoist drive enables automated lifting and reducing the risk of manual operation. The quick hook-and-lug design improves work efficiency.
[0022] 5. Using conventional materials such as tarpaulin and triangular support frames, combined with standard parts for electric hoists, the overall cost is low and maintenance is simple. Attached Figure Description
[0023] Figure 1 The illustration shown is a first three-dimensional structural schematic diagram of an embodiment 1 of the electric lifting sealing curtain for the maintenance window of a belt conveyor transfer station according to this utility model;
[0024] Figure 2 The diagram shown is a partial plan view of the first embodiment of the electric lifting sealing curtain for the maintenance window of a belt conveyor transfer station according to this utility model.
[0025] Figure 3 The diagram shown is a second partial plan view of an embodiment 1 of the electric lifting sealing curtain for the maintenance window of a belt conveyor transfer station according to this utility model.
[0026] Figure 4 What is shown is Figure 1 Enlarged 3D structural diagram of the circled area;
[0027] Figure 5 The illustration shown is a partial three-dimensional structural diagram of a second embodiment of the electric lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to this utility model.
[0028] Figure 6 What is shown is Figure 5 Enlarged 3D structural diagram of the circled area;
[0029] Explanation of reference numerals in the attached drawings: 1. Curtain frame; 2. Fixed frame; 3. Canvas; 4. Clamping board; 5. Mounting base; 6. Electric hoist; 7. Steel wire rope; 8. Hook; 9. Lifting lug; 10. Fixed base; 11. Rotating shaft; 12. Guide wheel; 13. Triangular support frame; 14. Pulley. Detailed Implementation
[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0031] Example 1
[0032] Please see Figure 1 and Figure 4 This utility model provides an embodiment: an electric lifting and sealing curtain for the maintenance window of a belt conveyor transfer station, including a curtain frame 1 and an oilcloth 3. The oilcloth 3 is provided on the inner side of the curtain frame 1. A fixed frame 2 is embedded and slidably provided on the top inner side of the curtain frame 1. A driving mechanism is provided above the fixed frame 2. The driving mechanism is connected to a hoisting mechanism. The upper end of the oilcloth 3 is fixedly connected to the fixed frame 2. Supporting mechanisms are symmetrically provided on both sides of the oilcloth 3. The size of the oilcloth 3 covers the maintenance window of the transfer station.
[0033] Please see Figure 1 and Figure 2The support mechanism includes clamping plates 4. Multiple sets of clamping plates 4 are symmetrically arranged on both sides of the canvas 3. Two sets of clamping plates 4 correspond one to one and are fixedly connected to the canvas 3 by bolt structure. The clamping plates 4 on both sides and the bolt structure ensure that they are vertically tensioned. Multiple sets of triangular support frames 13 are fixedly arranged inside the fixed frame 2. The multiple sets of triangular support frames 13 are arranged in a horizontal array. The multiple sets of horizontal triangular support frames 13 inside the fixed frame 2 enhance the structural stability.
[0034] Please see Figure 3 and Figure 4 A mounting base 5 is provided above the curtain frame 1. The mounting base 5 is fixedly connected to the inner side of the upper wall of the transfer station inspection window by bolt structure. The mounting base 5 can securely install the drive mechanism inside the wall. The drive mechanism includes an electric hoist 6 and a steel wire rope 7. The electric hoist 6 is fixedly installed on the side wall of the mounting base 5. The steel wire rope 7 is wound and connected inside the electric hoist 6. Starting the electric hoist 6 can release the steel wire rope 7. The hoisting mechanism includes a hook 8 and a lifting lug 9. The hook 8 is fixedly installed at the lower end of the steel wire rope 7. The lifting lug 9 is fixedly installed at the top of the fixed frame 2. The hook 8 and the lifting lug 9 are hooked and connected. The hook 8 can drive the fixed frame 2 to achieve synchronous lifting and lowering movement by hooking with the lifting lug 9.
[0035] Please see Figure 3 and Figure 4 A fixed seat 10 is set between the electric hoist 6 and the fixed frame 2. The fixed seat 10 is fixedly connected to the inner side of the upper wall of the transfer station inspection window by bolt structure. The fixed seat 10 can stably install the guide mechanism inside the wall. A rotating shaft 11 is rotatably set inside the fixed seat 10. A guide wheel 12 is fixedly sleeved on the side wall of the rotating shaft 11. The wire rope 7 is slidably connected to the guide wheel 12. The guide wheel 12 guides vertically to ensure that the lifting process is stable and vertical.
[0036] When using this type of electric lifting sealing curtain for the maintenance window of the belt conveyor transfer station, the electric lifting sealing curtain is installed on the inner side of the wall of the maintenance window, and a fixed sealing curtain is installed in conjunction with it. The fixed sealing curtain is fixed to the outer side of the upper wall of the maintenance window by means of color steel sheet and profile. A groove is cut at the center line position to allow the track of the maintenance hoist, so as to ensure that the maintenance hoist can lift and transport maintenance equipment in and out without obstruction. At the same time, a canopy is installed on the outer side of the upper wall of the maintenance window to improve the overall protection performance. In addition, the maintenance window is designed to be open and not sealed.
[0037] The working principle of the electric lifting and sealing curtain for the maintenance window of the belt conveyor transfer station is as follows: The device achieves the sealing and opening of the maintenance window through electric drive. In the initial state, the canvas 3 is suspended from the top of the inner side of the curtain frame 1 through the fixed frame 2, and the side clamps 4 and bolt structure ensure its vertical tension.
[0038] When maintenance is required, start the electric hoist 6 to unwind the wire rope 7. After the wire rope 7 is vertically guided by the guide wheel 12, it is hooked and connected to the lifting lug 9 at the top of the fixed frame 2 through the hook 8. At this time, under its own weight, the fixed frame 2 slides vertically along the inner cavity of the curtain frame 1 on both sides. The fixed frame 2 and the canvas 3 descend smoothly to the bottom, fully exposing the maintenance window. At this time, the staff needs to separate the hook 8 from the lifting lug 9, and then start the electric hoist 6 to wind up the wire rope 7. Subsequently, the maintenance personnel can operate the maintenance hoist to hoist the equipment in and out along the preset track.
[0039] After the maintenance is completed, hook 8 is reattached to lifting lug 9, electric hoist 6 is started to wind up wire rope 7, and fixed frame 2 is raised. Canvas 3 is re-covered to form a seal. Multiple sets of horizontal triangular support frames 13 inside fixed frame 2 enhance structural stability. Sliding wheel 14 is connected to groove through a rotating shaft to ensure smooth and unobstructed lifting process.
[0040] In addition, when stormy or snowy weather occurs, the fixed frame 2 and multiple sets of clamps 4 are embedded in the inner cavities on both sides of the curtain frame 1, which can enhance the overall structure of the lifting and sealing curtain and prevent the canvas 3 from fluttering randomly.
[0041] In summary, firstly, the tarpaulin 3 completely covers the window, preventing dust from spilling out and polluting the environment, and avoiding the corrosion of internal equipment by extreme weather, effectively solving the problem of sealing the maintenance window. Secondly, the fixed frame 2 and the curtain frame 1 slide together, and with the guide wheel 12 for vertical guidance, ensure a smooth and vertical lifting process, avoiding swaying. Thirdly, the electric hoist 6 drives automated lifting, reducing the risk of manual operation, and the quick hook design of the hook 8 and the lifting lug 9 improves work efficiency. Fourthly, using conventional materials such as tarpaulin 3 and triangular support frame 13, combined with standard parts of the electric hoist 6, the overall cost is low and maintenance is simple. Fifthly, the combination design of the fixed sealing curtain on the outside of the wall and the canopy not only ensures unobstructed access for maintenance, but also improves rain and dust protection performance. Sixthly, it provides a reliable solution to the environmental problems caused by the failure of the maintenance window seal in the transfer station, meeting environmental protection and safe production requirements.
[0042] In summary, this device, through the coordinated design of mechanical transmission and sealing structure, achieves rapid opening and reliable sealing of the maintenance window. While ensuring the convenience of equipment maintenance, it effectively controls dust diffusion and weather erosion, demonstrating significant economic and social benefits. It is suitable for industrial scenarios such as belt conveyor transfer stations that require frequent maintenance and have high sealing requirements.
[0043] Through the above steps, when using this type of electric lifting and sealing curtain for the maintenance window of a belt conveyor transfer station, the device achieves the sealing and opening of the maintenance window through electric drive. In the initial state, the tarpaulin 3 completely covers the maintenance window of the transfer station. When maintenance is required, the drive mechanism is activated to unload the hoisting mechanism. At this time, the fixed frame 2 slides vertically along the inner cavity of the curtain frame 1 on both sides under its own weight. The fixed frame 2 and the tarpaulin 3 descend smoothly to the bottom, fully exposing the maintenance window. At this time, the staff needs to separate the hoisting mechanism and then activate the drive mechanism. Subsequently, the maintenance personnel can operate the maintenance hoist to hoist the equipment in and out along the preset track. After the maintenance is completed, the drive mechanism is activated to drive the fixed frame 2 to rise through the hoisting mechanism, and the tarpaulin 3 covers the window again to form a seal. In summary, this device achieves rapid opening and reliable sealing of the maintenance window through the coordinated design of mechanical transmission and sealing structure. While ensuring the convenience of equipment maintenance, it effectively controls dust diffusion and weather erosion. It is suitable for industrial scenarios such as belt conveyor transfer stations that require frequent maintenance and have high sealing requirements.
[0044] Example 2
[0045] Please see Figure 5 and Figure 6 The difference from Embodiment 1 is that grooves are opened on both sides of the fixed frame 2, and multiple sets of sliding wheels 14 are rotatably arranged inside each set of grooves. The sliding wheels 14 are located between the groove and the inner cavity of the curtain frame 1. The multiple sets of sliding wheels 14 are arranged in a vertical array and are rotatably connected to the inner wall of the groove through a rotating shaft.
[0046] Under its own weight, the fixed frame 2 has multiple sets of sliding wheels 14 in the grooves on both sides sliding vertically along the inner cavity of the curtain frame 1. The fixed frame 2 and the canvas 3 descend smoothly to the bottom, fully exposing the maintenance window. In summary, the fixed frame 2 slides with the curtain frame 1 through the sliding wheels 14 to ensure that the lifting process is stable and vertical, avoiding swaying.
[0047] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention 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 invention.
Claims
1. An electrically operated lifting and sealing curtain for a maintenance window at a belt conveyor transfer station, comprising a curtain frame (1), characterized in that: It also includes a canvas (3), the inner side of the curtain frame (1) is provided with a canvas (3), the top of the inner side of the curtain frame (1) is inlaid with and slidably provided with a fixed frame (2), a drive mechanism is provided above the fixed frame (2), the drive mechanism is connected to a hoisting mechanism, the upper end of the canvas (3) is fixedly connected to the fixed frame (2), and support mechanisms are symmetrically provided on both sides of the canvas (3). The size of the canvas (3) covers the maintenance window of the transfer station.
2. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 1, characterized in that: The support mechanism includes clamps (4). Multiple sets of clamps (4) are symmetrically arranged on both sides of the canvas (3), with two sets of clamps (4) corresponding one to one and fixedly connected to the canvas (3) by bolt structure.
3. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 1, characterized in that: A mounting base (5) is provided above the curtain frame (1), and the mounting base (5) is fixedly connected to the inner side of the upper wall of the transfer station inspection window by bolt structure.
4. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 3, characterized in that: The drive mechanism includes an electric hoist (6) and a wire rope (7). The electric hoist (6) is fixedly mounted on the side wall of the mounting base (5), and the wire rope (7) is wound inside the electric hoist (6).
5. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 4, characterized in that: The hoisting mechanism includes a hook (8) and a lifting lug (9). The hook (8) is fixedly installed at the lower end of the wire rope (7), and the lifting lug (9) is fixedly installed at the top of the fixed frame (2). The hook (8) and the lifting lug (9) are hooked and connected.
6. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 4, characterized in that: A fixed seat (10) is provided between the electric hoist (6) and the fixed frame (2). The fixed seat (10) is fixedly connected to the inner side of the upper wall of the transfer station inspection window by bolt structure.
7. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 6, characterized in that: The fixed base (10) is equipped with a rotating shaft (11) inside, and a guide wheel (12) is fixedly sleeved on the side wall of the rotating shaft (11). The wire rope (7) is slidably connected to the guide wheel (12).
8. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 1, characterized in that: Multiple sets of triangular support frames (13) are fixedly installed inside the fixed frame (2), and the multiple sets of triangular support frames (13) are arranged in a horizontal array.
9. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 1, characterized in that: The fixed frame (2) has grooves on both sides, and multiple sets of sliding wheels (14) are rotatably installed inside each groove. The sliding wheels (14) are located between the groove and the inner cavity of the curtain frame (1).
10. The electrically lifting and sealing curtain for the maintenance window of a belt conveyor transfer station according to claim 9, characterized in that: Multiple sets of sliding wheels (14) are arranged in a vertical array and are rotatably connected to the inner wall of the groove via a rotating shaft.