Automatic intelligent lifting cab apron for cave depot

By using the main drive motor and transmission rod system in conjunction with the automatic intelligent lifting of the lifting ramp, the problem of heavy equipment passing through the cave safety door is solved, achieving safe and reliable equipment lifting and sealing protection.

CN224185794UActive Publication Date: 2026-05-01CHAOYANG LIAOXI CIVIL AIR DEFENSE ENG PROTECTION FACILITIES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHAOYANG LIAOXI CIVIL AIR DEFENSE ENG PROTECTION FACILITIES CO LTD
Filing Date
2025-06-17
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The fixed thresholds of traditional cavern safety doors prevent heavy equipment from passing through directly, and existing lifting ramps are prone to slipping when supporting heavy equipment, posing a risk of equipment damage and seal failure.

Method used

The automatic and intelligent lifting of the lifting platform is achieved by using a main drive motor, transmission rod and main three-head horizontal gear box. The load-bearing pad is driven to slide by a dual-head drive motor to distribute the pressure. The manual rotating disc enables manual adjustment in the event of a power outage.

Benefits of technology

It enables the safe lifting and lowering of heavy equipment, avoids the risk of slippage of the lifting platform and equipment damage, and ensures the safety and sealing of the underground storage equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The automatic intelligent lifting cab apron for the cave depot comprises a bottom positioning plate, a main driving motor is fixedly installed on the bottom positioning plate, the output end of the main driving motor is in transmission connection with the input end of a main three-head horizontal gear box, and the two output ends of the main three-head horizontal gear box are both in transmission connection with first transmission rods; the ends, away from the main three-head horizontal gear box, of the first transmission rods are in transmission connection with the input end of the auxiliary three-head horizontal gear box. According to the intelligent lifting cab apron, automatic intelligent lifting of the lifting cab apron is achieved through cooperation of the main driving motor, the transmission rods and the main three-head horizontal gear box; four bearing cushion blocks are driven to slide through a double-end driving motor, so that the bearing cushion blocks can carry out bearing between the ground and the lifting cab apron, the pressure from the top of the lifting cab apron is dispersed, the risk of slipping of the lifting cab apron is avoided, manual adjustment can be achieved in the power failure state in cooperation with a manual rotating disc, and the working efficiency is improved. And the damage risk of the cave depot equipment is reduced.
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Description

Automatic intelligent lifting ramp in cave Technical Field

[0001] This utility model relates to the field of underground tunnel lifting ramp technology, and in particular to an automatic intelligent underground tunnel lifting ramp. Background Technology

[0002] Currently, traditional underground shelter entrances in China generally have a high fixed threshold due to airtight requirements, preventing heavy equipment from passing directly through. The threshold problem needs to be solved. The traditional method is to use wooden sleepers or steel plates. This method is not only time-consuming and labor-intensive, but also prone to damage to equipment and the threshold itself due to the unstable sliding of the sleepers or steel plates, often compromising the door's airtightness.

[0003] Some existing technologies use lifting ramps to raise heavy equipment to the height of the tunnel and allow it to enter the protective door. However, existing lifting ramps generally use screw connections to achieve lifting. When supporting heavy equipment, the screw connections cannot withstand the pressure and are prone to slippage, which may lead to equipment damage.

[0004] Therefore, it is essential to provide an automatic intelligent lifting ramp for underground tunnels to address the shortcomings of existing technologies. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and provide an automatic intelligent lifting platform for underground storage facilities. This platform achieves automatic intelligent lifting through the cooperation of a main drive motor, transmission rod, and main three-head horizontal gear box. Furthermore, by driving the sliding of four load-bearing blocks installed on a dual-head drive motor, the load-bearing blocks can support the platform between the ground and the lifting platform, distributing the pressure from the top of the platform and preventing the risk of slippage. In addition, a manual rotating disc allows for manual adjustment during power outages, reducing the risk of damage to the underground storage equipment.

[0006] The above-mentioned objectives of this utility model are achieved through the following technical means.

[0007] An automatic intelligent lifting platform for underground storage facilities is provided, including a bottom positioning plate. A main drive motor is fixedly installed on the bottom positioning plate. The output end of the main drive motor is driven by the input end of a main three-head horizontal gear box. Both output ends of the main three-head horizontal gear box are driven by a first transmission rod. The ends of the first transmission rods away from the main three-head horizontal gear box are driven by the input end of a secondary three-head horizontal gear box. The two output ends of the secondary three-head horizontal gear box are respectively driven by two second transmission rods. The ends of the second transmission rods away from the secondary three-head horizontal gear box are driven by the input end of a vertical double-head gear box. A lifting transmission screw is driven by the output end of the vertical double-head gear box. A lifting sleeve is screwed onto the top of the lifting transmission screw. The tops of the lifting sleeves are all fixedly installed on the same lifting platform.

[0008] Specifically, a dual-head drive motor is fixedly installed in the center of the bottom surface of the lifting platform. Both output ends of the dual-head drive motor are connected to a third transmission rod. The end of the third transmission rod away from the dual-head drive motor is connected to the input end of the back three-head horizontal gear box. Horizontal transmission screws are installed in the two output ends of the back three-head horizontal gear box. Four load-bearing pads are slidably embedded in the bottom surface of the lifting platform, and the horizontal transmission screws spiral through the load-bearing pads.

[0009] Preferably, a manual vertical gearbox is installed on each of the two first transmission rods and the third transmission rod. The input end of the manual vertical gearbox is equipped with a rotating disk, and the output end of the manual vertical gearbox is fixedly sleeved on the outside of the first transmission rod and the third transmission rod.

[0010] This invention achieves automatic and intelligent lifting of the lifting platform through the cooperation of the main drive motor, transmission rod, and main three-head horizontal gear box. Furthermore, by driving the sliding of four load-bearing pads installed on the dual-head drive motor, the load-bearing pads can support the platform between the ground and the lifting platform, distributing the pressure from the top of the lifting platform and avoiding the risk of slippage. In addition, the manual rotating disc allows for manual adjustment in the event of a power outage, reducing the risk of damage to the equipment in the underground storage facility. Attached Figure Description

[0011] The present invention will be further described with reference to the accompanying drawings, but the content of the drawings does not constitute any limitation on the present invention.

[0012] Figure 1 is a three-dimensional structural diagram of the automatic intelligent lifting ramp for cave dwellings of this utility model.

[0013] Figure 2 is a bottom view of the lifting platform of the automatic intelligent lifting platform for cave dwellings of this utility model.

[0014] Figure 3 is a three-dimensional structural diagram of the main three-head horizontal gear box of the automatic intelligent lifting platform for cave dwellings of this utility model.

[0015] Figure 4 is a three-dimensional structural diagram of the vertical double-headed gearbox of the automatic intelligent lifting ramp for caves of this utility model.

[0016] Figure 5 is a three-dimensional structural diagram of the manual vertical gear box of the automatic intelligent lifting ramp for caves of this utility model.

[0017] Figures 1 to 5 include:

[0018] 1. Bottom positioning plate;

[0019] 2. Main drive motor;

[0020] 3. Main three-head horizontal gearbox;

[0021] 4. First transmission rod;

[0022] 5. Secondary three-head horizontal gearbox;

[0023] 6. Second transmission rod;

[0024] 7. Vertical double-headed gearbox;

[0025] 8. Transmission screw;

[0026] 9. Lifting sleeve;

[0027] 10. Lifting ramp;

[0028] 11. Dual-head drive motor;

[0029] 12. Third transmission rod;

[0030] 13. Back of a three-headed horizontal gearbox;

[0031] 14. Horizontal transmission screw;

[0032] 15. Load-bearing pads;

[0033] 16. Manual vertical gearbox;

[0034] 17. Rotating disk. Detailed Implementation

[0035] The present invention will be further described in conjunction with the following embodiments.

[0036] Example 1.

[0037] As shown in Figures 1-5, the automatic intelligent lifting platform for the cave includes a bottom positioning plate 1. A main drive motor 2 is fixedly installed on the bottom positioning plate 1. The output end of the main drive motor 2 is driven to the input end of a main three-head horizontal gear box 3. Both output ends of the main three-head horizontal gear box 3 are driven to the first transmission rod 4. The end of the first transmission rod 4 away from the main three-head horizontal gear box 3 is driven to the input end of a secondary three-head horizontal gear box 5. The two output ends of the secondary three-head horizontal gear box 5 are respectively driven to the two second transmission rods 6. The end of the second transmission rod 6 away from the secondary three-head horizontal gear box 5 is driven to the input end of a vertical double-head gear box 7. A lifting transmission screw 8 is driven to the output end of the vertical double-head gear box 7. A lifting sleeve 9 is screwed to the top of the lifting transmission screw 8. The tops of the lifting sleeves 9 are all fixedly installed on the same lifting platform 10.

[0038] This application is used for transporting heavy-duty intelligent AGV transport vehicles, transport trailers, trucks, heavy trucks, tanks and other transport equipment to pass through the protective door of the cave. First, a rectangular groove is excavated in front of the threshold of the protective door of the cave. The bottom positioning plate 1 is fixedly installed at the bottom of the rectangular groove and fits into the rectangular groove. The main drive motor 2 is fixedly installed on the bottom positioning plate 1. The output of the main drive motor 2 drives the gear inside the main three-head horizontal gear box 3 to rotate, which in turn drives the two first transmission rods 4 to rotate.

[0039] The main three-head horizontal gear box 3, the secondary three-head horizontal gear box 5, and the back three-head horizontal gear box 13 have the same internal structure. They are all three bevel gears meshing and transmitting power. The input end is a bevel gear in one direction, and the output end is two bevel gears facing both ends in a direction perpendicular to the input end. This achieves the effect of one rod driving two rods in rotational transmission and also realizes the change of rotation direction.

[0040] The rotation of the two first transmission rods 4 drives the rotation of the four second transmission rods 6 through the auxiliary three-head horizontal gear box 5, and then drives the lifting transmission screw 8 to rotate through the vertical double-head gear box 7. The vertical double-head gear box 7 has two perpendicular bevel gears meshing inside, which changes the rotation direction of the second transmission rods 6 from horizontal to vertical, thereby driving the lifting transmission screw 8 to rotate. The spiral engagement between the lifting transmission screw 8 and the lifting sleeve 9 allows the four lifting sleeves 9 to simultaneously lift or lower the lifting platform 10, realizing the lifting of heavy intelligent AGV transport vehicles, transport trailers, trucks, heavy trucks, tanks and other transport equipment. When not in use, the top and bottom surfaces of the lifting platform 10 are flush. When in use, it is raised to the same height as the top surface of the cave threshold.

[0041] A dual-head drive motor 11 is fixedly installed at the center of the bottom surface of the lifting platform 10. Both output ends of the dual-head drive motor 11 are connected to the third transmission rod 12. The end of the third transmission rod 12 away from the dual-head drive motor 11 is connected to the input end of the back three-head horizontal gear box 13. Horizontal transmission screws 148 are installed at the two output ends of the back three-head horizontal gear box 13. Four load-bearing pads 15 are slidably embedded in the bottom surface of the lifting platform 10. The horizontal transmission screws 148 spirally pass through the load-bearing pads 15.

[0042] The bottom surface of the lifting platform 10 drives two third transmission rods 12 to rotate via the output of the dual-head drive motor 11. The two third transmission rods 12 drive four horizontal transmission screws 148 to rotate via the back three-head horizontal gear box 13, thereby driving the load-bearing pads 15 that are screwed to them to extend or retract from the bottom side of the lifting platform 10. When the lifting platform 10 is raised to a specified height and needs to bear the load for a long time, the four load-bearing pads 15 are extended, so that the ground is at the bottom, the load-bearing pads 15 are in the middle, and the lifting platform 10 is on top, which fits tightly and disperses the pressure from the top of the lifting platform 10, preventing the lifting platform 10 from slipping.

[0043] Manual vertical gearboxes 16 are installed on both first transmission rods 4 and third transmission rods 12. A rotating disk 17 is installed at the input end of the manual vertical gearboxes 16, and the output end of the manual vertical gearboxes 16 is fixedly sleeved on the outside of the first transmission rods 4 and third transmission rods 12.

[0044] The manual vertical gear box 16 drives the internal bevel gear to rotate through the rotating disk 17, which in turn drives another bevel gear meshing with it to rotate, thus achieving transmission. The other bevel gear is fixed to the outside of the first transmission rod 4 and the third transmission rod 12 through a hollow tube, so that the solid rotating disk 17 can manually drive the first transmission rod 4 and the third transmission rod 12, realizing manual lifting and the sliding out of the load-bearing pad 15.

[0045] This invention achieves automatic and intelligent lifting of the lifting platform 10 through the cooperation of the main drive motor 2, transmission rod and main three-head horizontal gear box 3. Furthermore, by driving the sliding of four load-bearing pads 15 installed on the dual-head drive motor 11, the load-bearing pads 15 can support the ground and the lifting platform 10, dispersing the pressure from the top of the lifting platform 10 and avoiding the risk of slippage of the lifting platform 10. In addition, with the help of the manual rotating disc 17, manual adjustment can be achieved in the event of a power outage, reducing the risk of damage to the equipment in the underground storage facility.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. An automatic intelligent lifting ramp for underground storage facilities, characterized by: The system includes a bottom positioning plate on which a main drive motor is fixedly mounted. The output end of the main drive motor is driven by the input end of a main three-head horizontal gear box. Both output ends of the main three-head horizontal gear box are driven by first transmission rods. The ends of the first transmission rods furthest from the main three-head horizontal gear box are driven by the input end of a secondary three-head horizontal gear box. The two output ends of the secondary three-head horizontal gear box are driven by two second transmission rods. The ends of the second transmission rods furthest from the secondary three-head horizontal gear box are driven by the input end of a vertical double-head gear box. A lifting transmission screw is driven by the output end of the vertical double-head gear box. A lifting sleeve is screwed onto the top of the lifting transmission screw. The tops of the lifting sleeves are all fixedly mounted on the same lifting plate.

2. The automatic intelligent lifting ramp for underground storage facilities according to claim 1, characterized in that: A dual-head drive motor is fixedly installed at the center of the bottom surface of the lifting platform. Both output ends of the dual-head drive motor are connected to a third transmission rod. The end of the third transmission rod away from the dual-head drive motor is connected to the input end of a three-head horizontal gear box. Horizontal transmission screws are installed at the two output ends of the three-head horizontal gear box. Four load-bearing pads are slidably embedded in the bottom surface of the lifting platform. The horizontal transmission screws spiral through the load-bearing pads.

3. The automatic intelligent lifting ramp for underground storage facilities according to claim 2, characterized in that: Each of the two first transmission rods and the third transmission rod is equipped with a manual vertical gear box. The input end of the manual vertical gear box is driven by a rotating disk, and the output end of the manual vertical gear box is fixedly sleeved on the outside of the first transmission rod and the third transmission rod.