A hanging cage for replacing the corrugated steel panels of a coal conveyor bridge

Abstract

This utility model discloses a hanging cage for replacing color steel plates on coal conveyor trestle bridges, belonging to the technical field of aerial work platform equipment. The hanging cage includes a frame composed of splicing rods and connectors, and a load-bearing plate. The key feature is the presence of a locking mechanism and a sliding mechanism on the frame. The locking mechanism includes a rotating plate, a fixing block, a U-shaped plate, and screws. The rotating plate closes the opening, and the screws lock the U-shaped plate and fixing block, forming a reliable enclosed space for the hanging cage. The sliding mechanism includes a base, a rotating column, a pulley, an oil storage block, and a ball stopper. The outer circumference of the rotating column has a groove, allowing the ball stopper to roll on the surface. When the ball stopper rolls into the groove, the oil leakage hole connected to the oil storage block is opened for lubrication; when it slides out of the groove, the oil leakage hole is sealed. This utility model significantly improves operational safety through a reliable locking mechanism, while the self-lubricating sliding mechanism adapts to dusty environments, effectively reducing wear and extending the equipment's service life.

Description

Technical Field

[0001] This utility model relates to the field of high-altitude work equipment technology, and in particular to a hanging cage for replacing the color steel plates of a coal conveyor trestle. Background Technology

[0002] Coal conveyor bridges are critical passageways used for transporting coal in thermal power plants, ports, and other locations. Their structure is typically a long, narrow truss structure high off the ground. Due to constant exposure to the natural environment, the corrugated steel sheet cladding on the outside of the bridge ages and corrodes, requiring regular replacement and maintenance.

[0003] To ensure the safety of maintenance personnel, such high-altitude operations typically require the use of suspended cages or baskets that can move along the trestle structure as working platforms. Existing general-purpose suspended cages have their pulleys or sliding parts directly exposed to the external environment when moved. However, the working environment of coal conveyor trestle bridges is extremely harsh, with large amounts of coal dust and grime filling the air.

[0004] When these dust particles intrude into the sliding mechanism of the hanging cage, they mix with the lubricating grease to form an abrasive sludge. This not only fails to lubricate but also drastically increases sliding resistance and severely wears down critical components such as rotating shafts and pulleys. Over time, this can lead to jamming, abnormal noises, or even complete seizure during cage movement, affecting construction efficiency and posing safety hazards to workers at height due to uneven movement. Furthermore, this unstable operating state places higher demands on the cage's safety devices, such as door locks. Conventional locking structures face severe challenges to their reliability under continuous vibration and impact conditions.

[0005] Therefore, this utility model proposes a hanging cage for replacing the color steel plates of coal conveying trestle, in order to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the problems in the existing technology of the hanging cage used for replacing the color steel plate of coal conveying trestle, the moving mechanism is prone to wear and unstable movement in dusty environments, and the safety locking device has low reliability, this utility model aims to provide a hanging cage with an improved structure that can effectively solve the above problems for replacing the color steel plate of coal conveying trestle.

[0007] This utility model provides a hanging cage for replacing the color steel plate of a coal conveying trestle, including a frame formed by splicing multiple splicing rods and multiple connecting parts, a load-bearing plate fixedly connected to the bottom of the frame, and a sliding mechanism fixedly connected to the top of the frame; the hanging cage also includes a locking mechanism rotatably connected to the frame.

[0008] The locking mechanism consists of a rotating plate, a fixed block, a U-shaped plate, and screws, while the sliding mechanism consists of a support plate, a base, a rotating column, a pulley, an oil storage block, an oil leakage hole, a groove, and a plug ball.

[0009] Furthermore, the fixing block is fixedly connected to the frame, the rotating plate is rotatably connected to the frame, the U-shaped plate is rotatably connected to the rotating plate, and the screw is threadedly connected to the U-shaped plate and can pass through the U-shaped plate to abut against the fixing block to achieve locking. The support plate is fixedly connected to the frame, the base is fixedly connected to the support plate, the rotating column is rotatably connected to the base, the pulley is rotatably sleeved on the rotating column, the oil storage block is fixedly connected to the outer wall of the base, the base has an oil leakage hole communicating with the oil storage block, the outer circumferential surface of the rotating column has a groove, and the plug ball is movably accommodated on the outer circumferential surface of the rotating column to seal or open the oil leakage hole when the rotating column rotates.

[0010] Preferably, a buffer pad is fixedly connected to the inner wall of the U-shaped plate. When the U-shaped plate rotates to a position that fits against the fixed block, the buffer pad fits against the splicing rod of the frame.

[0011] Preferably, the rotating plate is rotatably connected to one splicing rod of the frame via a pin, and the fixing block is fixedly connected to another splicing rod of the frame.

[0012] Preferably, the outlet of the oil leakage hole is located on the outer peripheral surface of the rotating column, the plug ball is accommodated in an annular groove on the outer peripheral surface of the rotating column and can roll along the annular groove, and the groove is provided on the groove wall of the annular groove.

[0013] Furthermore, when the ball rolls to a position outside the groove, its surface blocks the outlet of the oil leak hole; when the ball rolls into the groove, its surface disengages from blocking the outlet of the oil leak hole.

[0014] Preferably, the sliding mechanism further includes an oil injection assembly, which includes an oil injection pipe and a sealing cap. One end of the oil injection pipe is connected to the oil storage block, and the sealing cap is detachably sealed to the other end of the oil injection pipe.

[0015] Preferably, the oil storage block is made of a porous oil-absorbing material.

[0016] Preferably, the bottom of the frame is rotatably connected to an auxiliary wheel, and the support plate is fixedly connected to a connector at the top of the frame.

[0017] This utility model has the following beneficial effects: 1. This utility model solves the problem of insufficient sturdiness and safety hazards in existing high-altitude work cage locking devices by setting a locking mechanism consisting of a rotating plate, a U-shaped plate, a fixing block, and screws. It achieves the technical effect of forming a reliable closed structure for the cage and greatly improving the safety during operation.

[0018] 2. This utility model, by setting a sliding mechanism with an oil storage block, an oil leakage hole, a groove and a plug ball, can automatically seal or open the oil leakage hole as the rotating column rotates, solving the problems of easy wear and inconvenient lubrication and maintenance of the existing hanging cage moving mechanism in the dusty environment of the coal conveying trestle. It achieves the technical effects of intelligent lubrication on demand, reducing component wear and extending the overall service life of the equipment.

[0019] 3. This utility model solves the problems of unstable movement and difficulty in replenishing lubricating oil in existing hanging cages by adding auxiliary wheels and equipping the sliding mechanism with an oil injection component with a sealing cover. It achieves the technical effect of making the hanging cage movement process more stable and subsequent maintenance more convenient and efficient. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of a hanging cage for replacing the color steel plate of a coal conveying trestle, as proposed in this utility model. Figure 2 This is a schematic diagram of the structure of a buffer pad for replacing the color steel plate of a coal conveying trestle, as proposed in this utility model. Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0021] Legend: 1. Splicing rod; 2. Connecting parts; 3. Load-bearing plate; 4. Locking mechanism; 41. Rotating plate; 42. Fixing block; 43. U-shaped plate; 44. Buffer pad; 45. Screw; 5. Auxiliary wheels; 6. Sliding mechanism; 61. Support plate; 62. Base; 63. Rotating column; 64. Pulley; 65. Groove; 66. Oil reservoir; 67. Oil leakage hole; 68. Plug ball; 69. Oil injection assembly; 691. Oil injection pipe; 692. Sealing cap. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Example

[0023] Please refer to Figures 1 to 4This utility model provides a hanging cage for replacing the color steel plate of a coal conveying trestle, which aims to solve the problems of insufficiently secure safety locking devices and easy wear of the moving mechanism in dusty environments in the prior art.

[0024] like Figure 1 As shown, the hanging cage used for replacing the color steel plate of the coal conveying trestle includes a frame formed by splicing multiple splicing rods 1 and multiple connecting parts 2. The bottom of the frame is fixedly connected to a load-bearing plate 3, the top of the frame is fixedly connected to a sliding mechanism 6, and a locking mechanism 4 is rotatably connected to the frame. The load-bearing plate 3 is used to provide a standing platform for the workers. The bottom of the frame is also rotatably connected to an auxiliary wheel 5, which is used to assist the stable movement of the hanging cage.

[0025] Reference Figure 1 The locking mechanism 4 includes a rotating plate 41, a fixing block 42, a U-shaped plate 43, and a screw 45. The fixing block 42 is fixedly connected to the frame, the rotating plate 41 is rotatably connected to the frame, the U-shaped plate 43 is rotatably connected to the rotating plate 41, and the screw 45 is threadedly connected to the U-shaped plate 43 and can pass through the U-shaped plate 43 to abut against the fixing block 42 to achieve locking. (Refer to...) Figure 2 and Figure 3 The inner wall of the U-shaped plate 43 is also fixedly connected with a buffer pad 44.

[0026] Reference Figure 1 and Figure 2 The sliding mechanism 6 includes a support plate 61, a base 62, a rotating column 63, and a pulley 64. The support plate 61 is fixedly connected to the connector 2 at the top of the frame. The base 62 is fixedly connected to the support plate 61. The rotating column 63 is rotatably connected to the base 62. The pulley 64 is rotatably sleeved on the rotating column 63. An oil storage block 66 is fixedly connected to the outer wall of the base 62. An oil leakage hole 67 communicating with the oil storage block 66 is opened on the base 62. A groove 65 is opened on the outer circumferential surface of the rotating column 63. A plug ball 68 is also movably accommodated on the outer circumferential surface of the rotating column 63. The plug ball 68 is used to block or open the oil leakage hole 67 when the rotating column 63 rotates. Figure 2 and Figure 4 The sliding mechanism 6 also includes an oil injection assembly 69, which includes an oil injection pipe 691 and a sealing cap 692. One end of the oil injection pipe 691 is connected to the oil storage block 66, and the sealing cap 692 is detachably sealed to the other end of the oil injection pipe 691.

[0027] Reference Figure 1 , Figure 2 and Figure 3The locking mechanism 4 is used to close the opening of the hanging cage. The rotating plate 41 is rotatably connected to a splicing rod 1 of the frame via a pin. The fixing block 42 is fixedly connected to another opposite splicing rod 1 of the frame. The U-shaped plate 43 is rotatably connected to the side of the rotating plate 41 away from its rotating axis. A buffer pad 44 is fixedly connected to the inner wall of the U-shaped plate 43. When it is necessary to close the hanging cage, the rotating plate 41 is pulled to bring it close to the fixing block 42. Then the U-shaped plate 43 is rotated so that the U-shaped plate 43 surrounds the fixing block 42 and another splicing rod 1. At this time, the buffer pad 44 is tightly attached to the outer wall of the splicing rod 1. Finally, the screw 45 threaded on the U-shaped plate 43 is tightened. The end of the screw 45 passes through the U-shaped plate 43 and abuts against the fixing block 42 to achieve locking. The pressure applied by the screw 45 firmly locks the U-shaped plate 43 onto the fixing block 42, thereby reliably fixing the rotating plate 41 in the closed position, thus forming a closed and stable working space.

[0028] As a preferred embodiment, refer to Figure 2 and Figure 4 The outlet of the oil leakage hole 67 is located on the outer peripheral surface of the rotating column 63. An annular groove is formed on the outer peripheral surface of the rotating column 63. The plug ball 68 is accommodated in the annular groove and can roll along the annular groove. The groove 65 is set on the groove wall of the annular groove. When the plug ball 68 rolls to a position outside the groove 65, its ball surface seals the outlet of the oil leakage hole 67. When the plug ball 68 rolls into the groove 65, its ball surface is no longer sealed to the outlet of the oil leakage hole 67.

[0029] In another preferred embodiment, the sliding mechanism 6 further includes an oil injection assembly 69, which includes an oil injection pipe 691 and a sealing cap 692. One end of the oil injection pipe 691 is connected to the oil storage block 66, and the sealing cap 692 is detachably sealed to the other end of the oil injection pipe 691.

[0030] As a further preferred embodiment, an auxiliary wheel 5 is rotatably connected to the bottom of the frame, while the support plate 61 of the sliding mechanism 6 is fixedly connected to the connector 2 at the top of the frame, providing a stable installation base for the sliding mechanism 6.

[0031] The working principle is as follows: After the operator enters the hanging cage and stands on the load-bearing plate 3, they first pull the rotating plate 41 to rotate it to the position where the opening of the hanging cage is closed. Then, they rotate the U-shaped plate 43 connected to the rotating plate 41 so that the buffer pad 44 on the U-shaped plate 43 fits against the splicing rod 1 of the frame. At the same time, the U-shaped plate 43 contacts the fixing block 42. Finally, they tighten the screw 45. The end of the screw 45 moves forward and presses against the fixing block 42, thereby firmly locking the U-shaped plate 43 and achieving safe closure of the entire hanging cage. Through the coordinated action of the locking mechanism 4 and the frame, this utility model solves the problem that the existing hanging cage safety locking is not secure enough.

[0032] When the cage needs to be moved, external force is applied to move the cage along the coal conveyor bridge. The auxiliary wheels 5 at the bottom assist the cage to roll smoothly. At the same time, the sliding mechanism 6 at the top works, and its pulley 64 rotates. The pulley 64 drives the rotating column 63 to rotate synchronously. The blocking ball 68, which is contained in the annular groove on the outer circumference of the rotating column 63, also rolls. When the rotating column 63 rotates to a specific angle, the blocking ball 68 will roll into the groove 65 on the wall of the annular groove. At this time, the ball of the blocking ball 68 is released from the seal on the outlet of the oil leakage hole 67, and the lubricating oil inside the oil storage block 66 is released through... The oil flows out through the drain hole 67 to lubricate the rotating contact surface between the rotating column 63 and the pulley 64. When the rotating column 63 continues to rotate, after the plug ball 68 slides out of the groove 65, its ball surface will re-seal the drain hole 67, stopping the oil supply. Through this cooperation of the plug ball 68, the groove 65 and the drain hole 67, lubrication on demand is achieved, solving the problem of easy wear of the moving mechanism in a dusty environment. When the lubricating oil in the oil storage block 66 is exhausted, the sealing cover 692 of the oil injection component 69 can be opened, and lubricating oil can be added to the oil storage block 66 through the oil injection pipe 691.

Claims

1. A hanging cage for replacing the color steel plate of a coal conveying trestle, comprising a frame formed by splicing multiple splicing rods (1) and multiple connecting parts (2), wherein a load-bearing plate (3) is fixedly connected to the bottom of the frame and a sliding mechanism (6) is fixedly connected to the top of the frame. Its features are, A locking mechanism (4) is rotatably connected to the frame. The locking mechanism (4) includes a rotating plate (41), a fixing block (42), a U-shaped plate (43), and a screw (45). The fixing block (42) is fixedly connected to the frame. The rotating plate (41) is rotatably connected to the frame. The U-shaped plate (43) is rotatably connected to the rotating plate (41). The screw (45) is threaded to the U-shaped plate (43) and can pass through the U-shaped plate (43) to abut against the fixing block (42). The sliding mechanism (6) includes a support plate (61), a base (62) fixedly connected to the support plate (61), a rotating column (63) rotatably connected to the base (62), and a pulley (64) rotatably sleeved on the rotating column (63). An oil storage block (66) is fixedly connected to the outer wall of the base (62). An oil leakage hole (67) is opened on the base (62) to connect the oil storage block (66) and the rotating column (63). A groove (65) is opened on the outer peripheral surface of the rotating column (63). A plug ball (68) is also movably accommodated on the outer peripheral surface of the rotating column (63). The plug ball (68) is used to block or open the oil leakage hole (67) when the rotating column (63) rotates.

2. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The inner wall of the U-shaped plate (43) is fixedly connected with a buffer pad (44). When the U-shaped plate (43) rotates to a position that fits against the fixed block (42), the buffer pad (44) fits against the splicing rod (1) of the frame.

3. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The sliding mechanism (6) further includes an oil injection assembly (69), which includes an oil injection pipe (691) and a sealing cap (692). One end of the oil injection pipe (691) is connected to the oil storage block (66), and the sealing cap (692) is detachably sealed to the other end of the oil injection pipe (691).

4. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The bottom of the frame is also rotatably connected to an auxiliary wheel (5).

5. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The rotating plate (41) is rotatably connected to one splicing rod (1) of the frame via a pin, and the fixing block (42) is fixedly connected to another splicing rod (1) of the frame.

6. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The support plate (61) is fixedly connected to the connector (2) at the top of the frame.

7. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, The oil storage block (66) is made of porous oil-absorbing material.

8. The hanging cage for replacing the color steel plates of a coal conveyor trestle according to claim 1, characterized in that, When the rotating column (63) rotates, the plug ball (68) rolls on the outer circumferential surface of the rotating column (63) due to gravity or centrifugal force, so as to block the oil leakage hole (67) when it slides into the groove (65) and open the oil leakage hole (67) when it slides out of the groove (65).

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