Rescue device suitable for dump pit
By designing a rescue device that includes ladder components, lifting components, and rescue baskets suitable for garbage pits, the problems of speed, efficiency, and safety in rescue operations within garbage pits were solved. This enabled the smooth evacuation of trapped personnel and real-time feedback from environmental monitoring, thereby improving the reliability and safety of the rescue operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PUXIANG BIOENERGY CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-05
AI Technical Summary
Existing rescue equipment is insufficient for rapid, efficient, and safe rescue operations inside landfills. In particular, due to the high temperature and humidity environment and complex garbage accumulation inside landfills, common rescue ladders and devices are not applicable, and the risks for rescue personnel entering are high.
A rescue device was designed, comprising a ladder assembly, a lifting assembly, and a rescue basket. The ladder assembly is fixed to the unloading door of the garbage pit, the lifting assembly is used to hoist the rescue basket, and the rescue basket is used to carry the trapped personnel. Combined with a telescopic arm, a monitoring assembly, and an automatic cable system, a safe and stable rescue operation is achieved.
It enables the efficient and safe evacuation of trapped personnel from garbage pits, ensuring the rapid completion of rescue operations, and improves the accuracy and safety of rescue through monitoring components and remote control.
Smart Images

Figure CN224199047U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rescue device technology, specifically to a rescue device suitable for garbage pits. Background Technology
[0002] Waste-to-energy incineration plants typically store at least 7-10 days' worth of waste. Household waste is complex in composition, with a high organic content. After a certain period of storage, it produces and emits foul-smelling pollutants, primarily hydrogen sulfide (H2S), ammonia (NH3), and methane (CH4). Prolonged inhalation of these harmful gases can cause significant harm to the human body. Furthermore, the high temperature and humidity within the waste pit, coupled with the complex waste accumulation, increases the risk of collapse and other dangerous situations. If a worker accidentally falls into the waste pit, commonly available rescue ladders and devices are unsuitable for rescue operations. Rescue stretchers cannot smoothly traverse the waste surface to reach the trapped person, and rescuers themselves face significant risks entering the pit. Therefore, a specialized, targeted rescue device is urgently needed. Utility Model Content
[0003] The technical problem this invention aims to solve is the difficulty of using existing conventional rescue equipment to carry out rescue operations quickly, efficiently, and safely in landfill pits. The invention provides a compact, easy-to-operate, and highly stable rescue device suitable for landfill pits.
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0005] A rescue device suitable for a landfill pit includes: a ladder assembly, a lifting assembly, and a rescue basket. One end of the ladder assembly is detachably connected to the stop of the landfill pit's unloading gate, and the other end of the ladder assembly extends into the landfill pit to facilitate rescue personnel entering the pit. The lifting assembly is connected to both the rescue basket and the stop of the landfill pit's unloading gate. The lifting assembly is used to lift the rescue basket into and out of the landfill pit, and the rescue basket is used to carry trapped personnel inside the landfill pit.
[0006] As a further improvement of this utility model, the lifting assembly includes a telescopic arm, a support base, a cable, and a rotating seat; the lower part of the support base is provided with a horizontal steel bar, which is used to connect the vehicle stop of the garbage pit unloading door; the top of the support base is connected to one side of the rotating seat through a bearing; the bottom of the telescopic arm is connected to the rotating seat; one end of the cable is connected to the winch on the rotating seat; the other end of the cable passes through the top of the telescopic arm and is provided with a hook, which is used to connect the rescue basket.
[0007] As a further improvement of this utility model, the telescopic arm is provided with a hydraulic cylinder, which is used to drive the telescopic arm to extend and retract.
[0008] As a further improvement of this utility model, a monitoring component is provided at the top of the telescopic arm, which is used to monitor the environmental conditions inside the garbage pit.
[0009] As a further improvement of this utility model, the monitoring component includes a camera, a lighting fixture, and a gas sensor.
[0010] As a further improvement of this utility model, the winch is connected to a motor to realize automatic cable winding and unwinding; or the winch is equipped with a manual wheel to realize manual cable winding and unwinding.
[0011] As a further improvement of this utility model, the bottom of the support base is provided with multiple universal wheels.
[0012] As a further improvement of this utility model, the rescue basket is provided with a foldable guardrail on the side, and the foldable guardrail is provided with a fixing buckle and a sling on the side. The fixing buckle is located on the side of the sling to fix the sling, and the sling is connected to the hook.
[0013] As a further improvement of this utility model, the rescue basket is equipped with an oxygen inhaler and a safety belt.
[0014] As a further improvement of this utility model, the bottom of the rescue basket is a perforated mesh.
[0015] Compared with the prior art, the advantages of this utility model are:
[0016] This utility model provides a rescue device for garbage pits. By fixing one end of the ladder assembly to the stop of the garbage pit's unloading gate, rescuers can enter the garbage pit using the ladder assembly. At the same time, the lifting assembly is connected to the stop of the garbage pit's unloading gate, thus securing the lifting assembly. The lifting assembly is then used to hoist a rescue basket into and out of the garbage pit. By using the rescue basket to carry the trapped personnel in the garbage pit, the trapped personnel can be safely brought out of the garbage pit, ensuring that the rescue operation is completed efficiently and safely. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structural principle of the ladder assembly in a specific embodiment of this utility model;
[0018] Figure 2 This is a schematic diagram illustrating the structural principle of the lifting assembly in a specific embodiment of this utility model;
[0019] Figure 3 This is a schematic diagram of the structural principle of the movable support platform in a specific embodiment of this utility model;
[0020] Figure 4 This is a schematic diagram illustrating the structural principle of the multifunctional rescue basket in a specific embodiment of this utility model;
[0021] Legend: 1. Ladder body; 2. Support lug; 3. Triangular steel plate; 4. Hook; 5. Monitoring component; 6. Telescopic arm; 7. Motor; 8. Winch; 9. Hydraulic cylinder; 10. Bearing; 11. Horizontal steel; 12. Casters; 13. Oxygen inhaler; 14. Safety belt; 15. Fixing buckle; 16. Hollow mesh; 17. Sling; 18. Foldable guardrail; 19. Support base; 20. Cable; 21. Rotating seat; 22. Hook; 100. Ladder assembly; 200. Lifting assembly; 300. Rescue basket. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and specific preferred embodiments, but this does not limit the scope of protection of the present invention.
[0023] In the description of this utility model, it should be understood that the terms "side", "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.
[0025] Example
[0026] like Figure 1 and Figure 2 As shown, the rescue device of this utility model applicable to garbage pits includes: a ladder assembly 100, a lifting assembly 200, and a rescue basket 300. One end of the ladder assembly 100 is detachably connected to the stop of the garbage pit unloading door, and the other end of the ladder assembly 100 extends into the garbage pit to facilitate the entry of rescue personnel into the garbage pit. The lifting assembly 200 is connected to both the rescue basket 300 and the stop of the garbage pit unloading door. The lifting assembly 200 is used to lift the rescue basket 300 into and out of the garbage pit, and the rescue basket 300 is used to carry the trapped personnel in the garbage pit.
[0027] In this embodiment, by fixing one end of the ladder assembly 100 to the stop of the garbage pit unloading door, rescuers can enter the garbage pit using the ladder assembly 100. At the same time, the lifting assembly 200 is connected to the stop of the garbage pit unloading door, thus fixing the lifting assembly 200. The rescue basket 300 is then hoisted into and out of the garbage pit using the lifting assembly 200. The rescue basket 300 carries the trapped personnel in the garbage pit, allowing them to be brought out of the garbage pit smoothly, ensuring that the rescue operation is completed efficiently and safely.
[0028] like Figure 1 As shown, the ladder assembly 100 includes a ladder body 1 formed by hinged sections of ladders connected by pins. One end of the ladder body 1 is provided with a vertical hook 4, which secures the ladder body 1 to the stop of the garbage unloading gate. Furthermore, a triangular steel plate 3 is provided at the connection between the ladder body 1 and the hook 4 to enhance the stability and support strength of the ladder assembly 100.
[0029] In this embodiment, the length of the ladder body 1 can be adjusted according to the depth of the garbage pit. Furthermore, each ladder section is connected by a pin, allowing the ladder body 1 to move like a hinge, facilitating on-site movement and use. Additionally, the ladder body 1 is equipped with several support lugs 2 to ensure a certain distance between the ladder body 1 and the garbage pit wall, facilitating access for rescue personnel.
[0030] like Figure 2 and Figure 3 As shown, the lifting assembly 200 includes a telescopic arm 6, a support base 19, a cable 20, and a rotating seat 21. A horizontal steel bar 11 is provided at the bottom of the support base 19. In use, the horizontal steel bar 11 is inserted into the drainage hole of the unloading gate of the garbage pit to quickly fix the lifting assembly 200 and shorten rescue time. The top of the support base 19 is connected to one side of the rotating seat 21 via a bearing 10, and the bottom of the telescopic arm 6 is connected to the rotating seat 21, allowing the rotating seat 21 to drive the telescopic arm 6 to rotate 360° on the support base 19. One end of the cable 20 is connected to a winch 8 on the rotating seat 21, and the other end of the cable 20 passes through the top of the telescopic arm 6 and is equipped with a hook 22, which is used to connect the rescue basket 300. By raising and lowering the cable 20 through the winch 8, the rescue basket 300 can be moved in and out of the garbage pit.
[0031] In this embodiment, the telescopic arm 6 is composed of multiple high-strength alloy arm segments nested together. A hydraulic cylinder 9 is provided inside the telescopic arm 6, which drives the telescopic arm 6 to extend and retract, allowing for flexible length adjustment.
[0032] In this embodiment, a monitoring component 5 is provided at the top of the telescopic arm 6. The monitoring component 5 is used to monitor the environmental conditions inside the garbage pit. Furthermore, the monitoring component 5 includes a camera, lighting fixtures, and a gas sensor, which can provide real-time feedback on the visual, lighting, and gas conditions inside the garbage pit, making the rescue environment visible and the parameters controllable, thereby improving the accuracy and safety of the rescue.
[0033] In this embodiment, the winch 8 is connected to the motor 7 to achieve automatic winding and unwinding of the cable 20. In other embodiments, a manual wheel can also be installed on the winch 8 to achieve manual winding and unwinding of the cable 20, which is simple, reliable, and unaffected by the location or failure of the power supply or the load.
[0034] like Figure 3 As shown, the support base 19 has multiple casters 12 at its bottom. The support base 19 is a frame structure made of high-temperature and corrosion-resistant material. The support base 19 has multiple casters 12 with locking function at its bottom, which facilitates quick movement and positioning around the garbage pit.
[0035] like Figure 2 and Figure 4 As shown, the rescue basket 300 is equipped with a foldable guardrail 18 on its side. During rescue operations, the foldable guardrail 18 is unfolded to prevent debris from colliding with trapped personnel. A fixing buckle 15 and a sling 17 are provided on the side of the foldable guardrail 18. The fixing buckle 15 is located on the side of the sling 17 to secure the sling 17. The sling 17 is connected to the hook 22, thus connecting the rescue basket 300 to the lifting assembly 200.
[0036] In this embodiment, the bottom of the rescue basket 300 is a perforated mesh 16, which reduces weight and facilitates drainage and slag removal.
[0037] In this embodiment, the rescue basket 300 is equipped with an oxygen concentrator 13 and a safety belt 14 to ensure the safety and basic physiological needs of the trapped personnel during the rescue process.
[0038] In this embodiment, the control console can also be wirelessly connected to the monitoring component 5, motor 7, and hydraulic cylinder 9 on the telescopic arm 6. Operators can then precisely control the rescue device from a safe area away from the garbage pit, based on camera feedback, to complete the rescue mission, avoiding direct exposure of rescue personnel to a dangerous environment. This rapid rescue device enables quick and reliable rescue in case of emergencies at the garbage pit.
[0039] Upon receiving an alarm indicating that someone is trapped inside a garbage pit, rescuers quickly move the rescue equipment to a suitable position within the pit and secure the lifting assembly 200 using the locking function of the casters 12 and horizontal steel bars 11 at the bottom of the movable support base 19. The operator stands at a control console away from the garbage pit and activates the telescopic rescue arm. Adjusting the length of the telescopic arm 6 using the electric hydraulic cylinder 9 according to the pit's depth and the trapped person's location, the operator simultaneously uses a high-definition camera at the front of the telescopic arm 6 to observe the garbage accumulation, gas distribution, and the exact location of the trapped person. Sufficient lighting assists in observation. As the operator approaches the trapped person, the foldable guardrails 18 around the multi-functional rescue basket 300 are deployed, and the basket 300 is slowly lowered to the trapped person's side. Under remote guidance from the rescuers, the trapped person fastens their safety harness 14 and connects to the oxygen inhaler 13. The telescopic arm 6 is then activated to lift the trapped person out of the garbage pit. If the trapped person is unconscious, they can also enter the garbage pit via the ladder assembly 100. Throughout the process, operators can monitor the situation in real time using the remote control system, respond flexibly, and ensure that the rescue operation is completed efficiently and safely.
[0040] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A rescue device suitable for landfills, characterized in that, include: The system includes a ladder assembly (100), a lifting assembly (200), and a rescue basket (300). One end of the ladder assembly (100) is detachably connected to the stop of the garbage pit unloading gate, and the other end of the ladder assembly (100) extends into the garbage pit to facilitate the entry of rescue personnel into the garbage pit. The lifting assembly (200) is connected to both the rescue basket (300) and the stop of the garbage pit unloading gate. The lifting assembly (200) is used to lift the rescue basket (300) into and out of the garbage pit, and the rescue basket (300) is used to carry trapped personnel inside the garbage pit.
2. The rescue device for landfills according to claim 1, characterized in that, The lifting assembly (200) includes a telescopic boom (6), a support base (19), a cable (20), and a rotating seat (21). The support base (19) has a horizontal steel bar (11) at its lower part, which is used to connect the vehicle stop of the garbage pit unloading door. The top of the support base (19) is connected to one side of the rotating seat (21) through a bearing (10). The bottom of the telescopic boom (6) is connected to the rotating seat (21). One end of the cable (20) is connected to the winch (8) on the rotating seat (21). The other end of the cable (20) passes through the top of the telescopic boom (6) and is provided with a hook (22). The hook (22) is used to connect the rescue basket (300).
3. The rescue device for landfills according to claim 2, characterized in that, The telescopic arm (6) is equipped with a hydraulic cylinder (9), which is used to drive the telescopic arm (6) to extend and retract.
4. The rescue device for landfills according to claim 2, characterized in that, The telescopic arm (6) is equipped with a monitoring component (5) at its top, which is used to monitor the environmental conditions inside the landfill.
5. The rescue device for landfills according to claim 4, characterized in that, The monitoring component (5) includes a camera, lighting fixtures, and a gas sensor.
6. The rescue device for landfills according to claim 2, characterized in that, The winch (8) is connected to the motor (7) to enable automatic winding and unwinding of the cable (20); or the winch (8) is equipped with a manual wheel to enable manual winding and unwinding of the cable (20).
7. The rescue device for landfills according to claim 2, characterized in that, The bottom of the support base (19) is provided with multiple casters (12).
8. The rescue device for landfills according to any one of claims 2 to 7, characterized in that, The rescue basket (300) is provided with a foldable guardrail (18) on the side. The foldable guardrail (18) is provided with a fixing buckle (15) and a sling (17) on the side. The fixing buckle (15) is located on the side of the sling (17) for fixing the sling (17). The sling (17) is connected to the hook (22).
9. The rescue device for landfills according to claim 8, characterized in that, The rescue basket (300) is equipped with an oxygen inhaler (13) and a safety belt (14).
10. The rescue device for landfills according to claim 8, characterized in that, The bottom of the rescue basket (300) is a perforated mesh (16).