Equipment hoisting opening cover plate of hydraulic switch

By using hydraulic switch technology and a cover plate lifting device controlled by a synchronous motor, the problem of the lifting port cover plate being unable to be raised or lowered was solved, enabling smooth transportation and a safe and efficient equipment replacement process.

CN224161639UActive Publication Date: 2026-04-24VALIANT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
VALIANT CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The existing equipment hoisting port cover cannot be raised or lowered, which leads to skewed hoisting operations and inconvenience in equipment transportation, increasing safety risks and operational difficulty.

Method used

It adopts hydraulic switch technology, which realizes the lifting and lowering of the cover plate through hydraulic rod and synchronous motor. Combined with the sliding connection of rollers and guide rails, it ensures that the cover plate is horizontally aligned with the floor, and is equipped with a rotating component for easy opening and closing.

Benefits of technology

This technology enables smooth lifting and lowering of the cover plate, reduces safety risks, improves the efficiency of equipment replacement and transportation, and reduces operational difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an equipment hoisting opening cover plate of a hydraulic switch, which comprises a carbon steel corbel, I-shaped steel is movably connected onto the carbon steel corbel, a guide rail is fixedly connected onto the I-shaped steel, a cross beam is slidably connected onto the guide rail, a main cover plate is rotatably connected onto the cross beam, a rotating component is arranged on the cross beam, and the main cover plate is fixedly connected onto the carbon steel corbel. A starting end cover plate is rotatably connected to the main cover plate, a frame is fixedly connected to the guide rail, the starting end cover plate is rotatably connected to the frame, a hydraulic rod is fixedly connected to the carbon steel corbel, and a baffle is fixedly connected to the I-shaped steel. And the equipment hoisting opening cover plate is lifted through synchronous lifting, so that the cover plate, the rollers, the guide rails and the floor are just located on the same horizontal plane, and opening and closing of the cover plate are facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of lifting port cover technology, and more specifically, to a lifting port cover for a hydraulic switch. Background Technology

[0002] Lifting port covers are special sheet materials used to cover the lifting ports of various equipment. They play an important role in industrial production and construction. Lifting port covers effectively protect the lifting ports, preventing dust and debris from entering the interior, reducing pollution and damage to the equipment, and extending the service life of the equipment. When the lifting port is not in use, the cover can also prevent personnel or objects from falling accidentally, avoiding safety accidents and providing a safe working environment for on-site workers. Publication number: CN203097159U provides a safety guardrail device for equipment lifting ports, which is installed at the equipment lifting port. It includes two main guardrails respectively hinged to the front and rear ends of the lifting port and two side guardrails respectively hinged to the left and right sides of the lifting port. The area of ​​each main guardrail is half the area of ​​the equipment lifting port. A support beam is set below the equipment lifting port. A single piston rod cylinder is set between each main guardrail and the support beam. The tail of the cylinder is hinged to the support beam through a connecting lug, and the head of the piston rod is hinged to the corresponding main guardrail through a connecting lug. The air supply port of the cylinder is connected to the air pressure system. This utility model realizes the opening and closing of the guardrail through pneumatic technology, making the operation of opening and closing the guardrail simple, convenient, time-saving and labor-saving.

[0003] However, existing technologies have some problems: existing equipment cannot lift the cover plate, making it inconvenient to open and close the cover plate. This may cause problems such as tilting and lifting during equipment replacement in multi-story buildings and difficulties in equipment transportation. Therefore, we propose a hydraulic switch for the equipment lifting port cover plate. Utility Model Content

[0004] One objective of this invention is to provide a new technical solution for the lifting port cover of a hydraulic switch.

[0005] According to a first aspect of this utility model, a lifting port cover for a hydraulic switch is provided, comprising a carbon steel bracket, an I-beam movably connected to the carbon steel bracket, a guide rail fixedly connected to the I-beam, a crossbeam slidably connected to the guide rail, a main cover plate rotatably connected to the crossbeam, a rotating assembly provided on the crossbeam, a starting end cover plate rotatably connected to the main cover plate, a frame fixedly connected to the guide rail, the starting end cover plate rotatably connected to the frame, a hydraulic rod fixedly connected to the carbon steel bracket, and a baffle fixedly connected to the I-beam.

[0006] Optionally, four sets of hydraulic rods are provided, and the four sets of hydraulic rods are respectively set at the four corners of the I-beam. Two sets of limiting steel plates are fixedly connected to the carbon steel bracket, and the I-beam is movably connected between the two sets of limiting steel plates through the hydraulic rods.

[0007] Optionally, rollers are rotatably connected to both sides of the crossbeam, the rollers are rotatably connected to the guide rail, and the crossbeam is slidably connected to the guide rail via the rollers.

[0008] Optionally, the main cover plate includes a front cover plate and a rear cover plate, which are rotatably connected to both sides of the crossbeam, and the starting end cover plate is rotatably connected to the front cover plate.

[0009] Optionally, the rotating assembly includes a gear bracket, which is fixedly connected to the crossbeam. A first rotating shaft and a second rotating shaft are rotatably connected to the gear bracket, and the first rotating shaft and the second rotating shaft are arranged vertically parallel on the gear bracket.

[0010] Optionally, a first gear is fixedly connected to the first rotating shaft, and the first gear is fixed to one end of the main cover plate near the crossbeam.

[0011] Optionally, a second gear is fixedly connected to the second rotating shaft, the second gear meshes with the first gear, and a counterweight arm is fixedly connected to the second gear.

[0012] Optionally, a connecting rod is rotatably connected to the end of the front cover plate away from the crossbeam, and the connecting rod is rotatably connected to the starting end cover plate.

[0013] According to one embodiment of this disclosure, by setting up a hydraulic rod, the lifting and lowering of the equipment hoisting port cover is realized synchronously, so that the cover, rollers, guide rails and the floor are exactly at the same level, which facilitates the opening and closing of the cover, solves the problem of skewed pulling and slanting during hoisting operations in multi-story buildings, the troublesome equipment transportation, reduces the safety risks in the equipment replacement process, and improves efficiency.

[0014] In this invention, when the cover plate of the hoisting port is closed, the hydraulic rod and the I-beam have a gap of cm and do not contact the I-beam. This ensures that the hydraulic device only bears the load of the cover plate and the I-beam, and not the load of the equipment to be replaced. When the hydraulic rod is idle, the cover plate, rollers, guide rails, and I-beam are supported by carbon steel brackets and limit steel plates, which avoids the hydraulic rod from being under long-term stress and thus reducing its service life. Each hydraulic rod is fixed on a separate carbon steel bracket, and the cylinders of the four sets of hydraulic rods are equipped with synchronous motors to ensure that the four hydraulic rods lift and lower synchronously, preventing unevenness during the platform lifting and lowering process.

[0015] This utility model is equipped with a rotating component. When the cover plate is folded, the front cover plate and the rear cover plate will rotate, thereby causing the first rotating shaft and the first gear to rotate. The second gear, which meshes with the first gear, will rotate in the opposite direction and drive the second rotating shaft and the counterweight arm to rotate together. The gravity of the counterweight arm provides force to the second gear to achieve the effect of saving effort.

[0016] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0018] Figure 1 This is a schematic diagram of the overall structure of the equipment lifting port cover of a hydraulic switch in one embodiment;

[0019] Figure 2 This is a schematic diagram showing the unfolded front cover of a hydraulic switch's equipment lifting port cover in one embodiment.

[0020] Figure 3 A schematic diagram of the folding front cover of a hydraulic switch's equipment lifting port cover in one embodiment;

[0021] Figure 4 This is a schematic diagram of the gear bracket of the device hoisting port cover of a hydraulic switch in one embodiment.

[0022] The following are marked in the diagram: 1. Carbon steel bracket; 2. I-beam; 3. Guide rail; 4. Crossbeam; 5. Main cover plate; 51. Front cover plate; 52. Rear cover plate; 6. Connecting rod; 7. Rotating assembly; 71. Gear bracket; 72. First rotating shaft; 73. Second rotating shaft; 74. First gear; 75. Second gear; 76. Counterweight arm; 8. Starting end cover plate; 9. Frame; 10. Hydraulic rod; 11. Limiting steel plate; 12. Roller; 13. Baffle. Detailed Implementation

[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0024] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0025] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0026] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0027] like Figure 1-4 As shown, a hydraulic switch equipment hoisting port cover plate is provided on each floor of a multi-story building. The device includes a carbon steel bracket 1, which is vertically fixed to the load-bearing steel beams on both sides of the building hoisting port using high-strength bolts. Its main function is to support the entire device.

[0028] Furthermore, an I-beam 2 is movably connected to the carbon steel bracket 1, and a hydraulic rod 10 is fixedly connected to the carbon steel bracket 1. There are four sets of hydraulic rods 10, which are respectively set at the four corners of the I-beam 2. Two sets of limiting steel plates 11 are fixedly connected to the carbon steel bracket 1. The I-beam 2 is movably connected between the two sets of limiting steel plates 11 through the hydraulic rods 10. The function of the limiting steel plates 11 is to ensure that the lifting and lowering process of the I-beam 2 is within the range of the carbon steel bracket 1, so as to prevent it from tipping over or falling.

[0029] Specifically, each side of the I-beam 2 has two sets of hydraulic rods 10. When the cover plate of the lifting port is closed, there is a 2cm gap between the hydraulic rods 10 and the I-beam 2, ensuring that they do not contact the I-beam 2. This ensures that the hydraulic device only bears the load of the cover plate and the I-beam 2, and not the load of the equipment to be replaced. When the hydraulic rods 10 are idle, the cover plate, rollers 12, guide rails 3, and I-beam 2 are supported by carbon steel brackets 1 and limit steel plates 11, preventing the hydraulic rods 10 from being under long-term stress and thus reducing their service life. Each hydraulic rod 10 is fixed to a separate carbon steel bracket 1. The cylinders of the four sets of hydraulic rods 10 are equipped with synchronous motors to ensure that the four hydraulic rods 10 lift and lower synchronously, preventing unevenness during the platform lifting process.

[0030] Furthermore, a guide rail 3 is fixedly connected to the I-beam 2, and a crossbeam 4 is slidably connected to the guide rail 3. Rollers 12 are rotatably connected to both sides of the crossbeam 4, and the rollers 12 are rotatably connected to the guide rail 3. The crossbeam 4 is slidably connected to the guide rail 3 through the rollers 12.

[0031] Furthermore, a main cover plate 5 is rotatably connected to the crossbeam 4. The main cover plate 5 includes a front cover plate 51 and a rear cover plate 52. The front cover plate 51 and the rear cover plate 52 are rotatably connected to both sides of the crossbeam 4, and the starting end cover plate 8 is rotatably connected to the front cover plate 51.

[0032] Furthermore, a connecting rod 6 is rotatably connected to the end of the front cover plate 51 away from the crossbeam 4, and the connecting rod 6 is rotatably connected to the starting end cover plate 8.

[0033] Furthermore, a rotating assembly 7 is provided on the crossbeam 4. The rotating assembly 7 includes a gear bracket 71, which is fixedly connected to the crossbeam 4. A first rotating shaft 72 and a second rotating shaft 73 are rotatably connected to the gear bracket 71. The first rotating shaft 72 and the second rotating shaft 73 are arranged vertically parallel on the gear bracket 71.

[0034] Specifically, a first gear 74 is fixedly connected to the first rotating shaft 72, and the first gear 74 is fixed to one end of the main cover plate 5 near the crossbeam 4.

[0035] Furthermore, a second gear 75 is fixedly connected to the second rotating shaft 73, the second gear 75 meshes with the first gear 74, and a counterweight arm 76 is fixedly connected to the second gear 75.

[0036] Specifically, when the cover is folded, the front cover 51 and the rear cover 52 will rotate, which will cause the first shaft 72 and the first gear 74 to rotate. The second gear 75, which meshes with the first gear 74, will rotate in the opposite direction and drive the second shaft 73 and the counterweight arm 76 to rotate together. The weight of the counterweight arm 76 will give force to the second gear 75 to achieve the effect of saving effort.

[0037] Furthermore, depending on the size of the lifting opening, multiple sets of main cover plates 5 can be set, and each set of main cover plates 5 is equipped with the aforementioned rotating component 7. By switching multiple main cover plates 5 between a folded state and an unfolded state, the opening and closing of the lifting opening can be realized.

[0038] Furthermore, a starting end cover plate 8 is rotatably connected to the main cover plate 5, and a frame 9 is fixedly connected to the guide rail 3. The starting end cover plate 8 is rotatably connected to the frame 9, and the starting end cover plate 8 is used to connect the main cover plate 5 and the frame 9.

[0039] Furthermore, a baffle 13 is fixedly connected to the I-beam 2. After the equipment is transported, the cover plate is pushed back onto the hoisting port along the guide rail 3. The baffle 13 can position the cover plate. When the cover plate touches the baffle 13, it is in its original position. The baffle 13 also serves as an anti-collision measure to prevent the cover plate from being pushed over and hitting the opposite wall. After the cover plate is in its original position, press and hold the descent button on the hydraulic platform control box. The cover plate will descend until it can no longer descend. Release the descent button and the cover plate will stop descending and maintain its current position. At this time, the hydraulic rod 10 is detached from the I-beam 2 and no longer bears weight.

[0040] The working process of this utility model is as follows: when the equipment in the workshop needs to be replaced, first pull the equipment to be replaced onto the cover plate, and then use an electric hoist to lift the equipment and move it more than 40cm away from the cover plate. The hydraulic lifting platform is equipped with an operation box. When using it, turn the knob to the open position. After the power indicator light illuminates normally, wait 20-30 seconds for the machine to start up. Select the floor to be operated and press the "Occupied" button. At this time, the "Occupied" light will illuminate, indicating that the floor has been successfully occupied. Press and hold the up button, and the cover will rise. Release the up button, and the cover will stop rising and remain in the current position. Raise the cover until the cover, roller 12, and guide rail 3 are flush with the ground outside the cover. Release the up button and keep the cover in the current position. Manually pull the cover away from the hoisting opening to open the hoisting opening cover. Press the "Occupied" button again, and the occupancy light will turn off, allowing other floors to be used. After opening all the covers on all floors in this manner, the equipment to be replaced can be lowered to the ground floor of the workshop and transported outdoors using the electric hoist. If the "Occupied" button is pressed on a certain floor, other floors will be unusable. In case of emergency, press the emergency stop button, the hydraulic station will stop working, the cover will remain in the current position, and the up and down buttons will become ineffective.

[0041] The aforementioned hydraulic switch equipment hoisting port cover, through the installation of a hydraulic rod 10, synchronously raises and lowers the cover, ensuring that the cover, rollers 12, and guide rails 3 are at the same horizontal level as the floor level, facilitating the transport of the cover. This solves the problems of skewed lifting and hoisting during equipment replacement in multi-story buildings, reduces the safety risks during equipment replacement, and improves efficiency.

[0042] In this invention, when the cover plate of the hoisting port is closed, the hydraulic rod 10 has a 2cm gap with the I-beam 2 and does not contact the I-beam 2. This ensures that the hydraulic device only bears the load of the cover plate and the I-beam 2, and does not bear the load of the equipment to be replaced. When the hydraulic rod 10 is idle, the cover plate, roller 12, guide rail 3, and I-beam 2 are supported by carbon steel brackets 1 and limiting steel plates 11, which avoids the hydraulic rod 10 from being under long-term stress and thus reducing its service life. Each hydraulic rod 10 is fixed on a separate carbon steel bracket 1. The cylinders of the four sets of hydraulic rods 10 are equipped with synchronous motors to ensure that the four hydraulic rods 10 are raised and lowered synchronously, preventing unevenness during the platform raising and lowering process.

[0043] This utility model is equipped with a rotating component 7. When the cover plate is folded, the front cover plate 51 and the rear cover plate 52 will rotate, thereby causing the first rotating shaft 72 and the first gear 74 to rotate. The second gear 75, which meshes with the first gear 74, will rotate in the opposite direction, and drive the second rotating shaft 73 and the counterweight arm 76 to rotate together. The gravity of the counterweight arm 76 provides force to the second gear 75 to achieve the effect of saving effort.

[0044] Although specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A lifting port cover for a hydraulic switch, comprising a carbon steel bracket (1), characterized in that: An I-beam (2) is movably connected to the carbon steel bracket (1). A guide rail (3) is fixedly connected to the I-beam (2). A crossbeam (4) is slidably connected to the guide rail (3). A main cover plate (5) is rotatably connected to the crossbeam (4). A rotating assembly (7) is provided on the crossbeam (4). A starting end cover plate (8) is rotatably connected to the main cover plate (5). A frame (9) is fixedly connected to the guide rail (3). The starting end cover plate (8) is rotatably connected to the frame (9). A hydraulic rod (10) is fixedly connected to the carbon steel bracket (1). A baffle (13) is fixedly connected to the I-beam (2).

2. The equipment hoisting port cover plate for a hydraulic switch according to claim 1, characterized in that: The hydraulic rods (10) are provided in four sets, and the four sets of hydraulic rods (10) are respectively set at the four corners of the I-beam (2). Two sets of limiting steel plates (11) are fixedly connected to the carbon steel bracket (1). The I-beam (2) is movably connected between the two sets of limiting steel plates (11) through the hydraulic rods (10).

3. The equipment hoisting port cover plate for a hydraulic switch according to claim 1, characterized in that: Rollers (12) are rotatably connected to both sides of the crossbeam (4). The rollers (12) are rotatably connected to the guide rail (3). The crossbeam (4) is slidably connected to the guide rail (3) through the rollers (12).

4. The equipment hoisting port cover plate for a hydraulic switch according to claim 1, characterized in that: The main cover plate (5) includes a front cover plate (51) and a rear cover plate (52), which are rotatably connected to both sides of the crossbeam (4), and the starting end cover plate (8) is rotatably connected to the front cover plate (51).

5. The equipment hoisting port cover plate for a hydraulic switch according to claim 4, characterized in that: The rotating assembly (7) includes a gear bracket (71), which is fixedly connected to the crossbeam (4). A first rotating shaft (72) and a second rotating shaft (73) are rotatably connected to the gear bracket (71). The first rotating shaft (72) and the second rotating shaft (73) are arranged vertically parallel on the gear bracket (71).

6. The equipment hoisting port cover plate for a hydraulic switch according to claim 5, characterized in that: A first gear (74) is fixedly connected to the first shaft (72), and the first gear (74) is fixed to one end of the main cover plate (5) near the crossbeam (4).

7. The equipment hoisting port cover plate for a hydraulic switch according to claim 6, characterized in that: A second gear (75) is fixedly connected to the second shaft (73), the second gear (75) meshes with the first gear (74), and a counterweight arm (76) is fixedly connected to the second gear (75).

8. The equipment hoisting port cover plate for a hydraulic switch according to claim 4, characterized in that: The front cover plate (51) is rotatably connected to a connecting rod (6) at the end away from the crossbeam (4), and the connecting rod (6) is rotatably connected to the starting end cover plate (8).

Citation Information

Patent Citations

  • Equipment hoisting port safe guardrail device

    CN203097159U