Amphibious firefighting water supply and drainage robot

Abstract

The amphibious fire-fighting water supply and drainage robot relates to a fire-fighting water supply and drainage device, and in particular to an amphibious fire-fighting water supply and drainage robot. The chassis component, the buoyancy tank, the drainage pump, the power device and the traveling device, the lower end of which is connected to the drainage pump, the chassis component is connected to the traveling device, the traveling device includes wheels and a transmission device, the two sides of the chassis component are respectively rotatably connected to two rotating shafts, the outer end of the rotating shaft is connected to the wheel, and the inner end is connected to the power device through the transmission device, and the buoyancy tank is installed at the upper end of the chassis component; the power device includes an engine and a hydraulic station driven by the engine, and the pressure oil provided by the hydraulic station acts on the hydraulic motor and the drainage pump through the oil pipe and the control valve system; the hydraulic motor realizes transmission through the transmission device and the wheel, and the hydraulic motor is installed on the chassis component, and a hydraulic oil tank and a fuel tank are installed on the chassis component. The drainage pump adopts a hydraulic slurry pump instead of other electric drainage pumps, thereby avoiding the risk of short circuit of the drainage pump.

Description

Technical Field

[0001] The invention relates to a fire-fighting water supply and drainage device, in particular to an amphibious fire-fighting water supply and drainage robot. Background Art

[0002] At present, drainage and rescue operations are becoming more and more important. The current drainage and rescue equipment is difficult to meet the use requirements. In particular, in drainage operations, rescue workers need to wade through water, which leads to greater work intensity and safety hazards for rescue workers. In addition, the existing drainage equipment has the following problems:

[0003] ① Equipment with a crawler chassis powered by a diesel engine or a gasoline engine can only travel on land and cannot travel on water, regardless of whether it is considered from the perspective of the engine or the weight;

[0004] ②Some equipment can only run underwater for a short time due to chassis sealing problems. If it runs in water for too long, once the equipment is flooded, it will cause damage to the internal electronic components, causing irreparable economic losses. Summary of the invention

[0005] The purpose of the present invention is to provide an amphibious fire-fighting water supply and drainage robot to address the deficiencies of the above-mentioned prior art, so as to ensure the personal safety of rescue personnel during drainage and rescue operations.

[0006] The present invention provides an amphibious fire-fighting water supply and drainage robot, which is characterized in that it includes a chassis component, a buoyancy tank, a drainage pump, a power unit and a traveling device. The power unit and the traveling device are installed on the upper end of the chassis component, and the lower end is connected to the drainage pump. The chassis component is connected to the traveling device, and the traveling device includes wheels and a transmission device. The two sides of the chassis component are rotatably connected to two rotating shafts respectively, the outer end of the rotating shaft is connected to the wheel, and the inner end is connected to the power unit through the transmission device. The buoyancy tank is installed on the upper end of the chassis component; the power unit includes an engine and a hydraulic station driven by it, and the pressure oil provided by the hydraulic station acts on the hydraulic motor and the drainage pump through the oil pipe and the control valve system; the hydraulic motor realizes transmission through the transmission device and the wheels, and the hydraulic motor is installed on the chassis component, and a hydraulic oil tank and a fuel tank are installed on the chassis component.

[0007] The upper end of the buoyancy box is provided with an opening, a cover plate is installed at the opening, the cover plate is hinged to one end wall of the buoyancy box, the cover plate and the buoyancy box are connected by a telescopic rod, and sealing strips are provided on the walls around the cover plate.

[0008] The two sides of the above-mentioned chassis component are respectively connected to the transmission box, and a transmission device is installed in the transmission box. The transmission device is a chain transmission device, and its specific structure includes: a double-row roller sprocket, a roller sprocket and a roller chain. The double-row roller sprocket is rotatably connected to the transmission box through a transmission shaft, and roller sprockets are respectively installed on both sides of the double-row roller sprocket. The roller sprocket is rotatably connected to the chassis component through a rotating shaft, and the double-row roller sprocket is connected to the roller sprockets on both sides through roller chains.

[0009] An automatic water pump is installed in the cavity of the transmission box, a drainage hole is arranged on the side wall of the floating box, and the water outlet of the automatic water pump is connected with the drainage hole on the side wall of the floating box through a pipeline.

[0010] The above-mentioned power device includes an engine, a hydraulic pump and a hydraulic motor. The engine is connected to the hydraulic pump, and the hydraulic pump is connected to the filter and the hydraulic oil tank in sequence through an oil pipe. The hydraulic pump is respectively connected to two first and second position four-way reversing valves through oil pipes; the first and second position four-way reversing valves are connected to the second two-position four-way reversing valves through oil pipes, the second two-position four-way reversing valve is connected to the drainage pump through the oil pipe, the first two-position four-way reversing valve is connected to the first three-position four-way reversing valve through the oil pipe, the first two-position four-way reversing valve, the first three-position four-way reversing valve, the second two-position four-way reversing valve and the drainage pump are respectively connected to the cooler, the filter and the hydraulic oil tank in sequence through oil pipes, the first three-position four-way reversing valve is connected to the hydraulic motor through a pipeline, and the hydraulic motor is connected to the first three-position four-way reversing valve through an oil pipe.

[0011] The hydraulic pump and the first two-position four-way reversing valve are connected to the oil inlet of the overflow valve through an oil pipe, and the overflow valve is connected to the cooler, the filter and the hydraulic oil tank in sequence through the oil pipe.

[0012] The above-mentioned second three-position four-way reversing valve is connected to one of the first two-position four-way reversing valves through an oil pipe, the second three-position four-way reversing valve is connected to the hydraulic pipe joint through an oil pipe, and the second three-position four-way reversing valve is connected to the cooler, filter and hydraulic oil tank in sequence through the oil pipe.

[0013] The above-mentioned third three-position four-way reversing valve is connected to another first two-position four-way reversing valve through an oil pipe, the third three-position four-way reversing valve is connected to the hydraulic cylinder through an oil pipe, and the third three-position four-way reversing valve is connected to the throttle valve, cooler, filter and hydraulic oil tank in sequence through an oil pipe.

[0014] The lower end of the chassis component is connected to the drainage pump through a connecting frame, the connecting frame is hinged to the chassis component, one end of the hydraulic cylinder is hinged to the chassis component, and the other end is hinged to the connecting frame.

[0015] Compared with the prior art, the present invention has the following outstanding beneficial effects:

[0016] 1. The buoyancy box of the device is sealed with the chassis components by EVA foam strips. The buoyancy box is made of light aluminum alloy and has a certain volume. According to the Archimedes principle, the device can float on the water surface. In addition, the device has a drainage pump that can drain the accumulated water inside the shell to the outside of the device through the drainage hole, thereby preventing the device from sinking to the bottom of the water due to too much accumulated water.

[0017] 2. The device drives the hydraulic system through the engine to drive the pump bodies and motors to work. Using the engine as a power source can drive all the components of the device to work, thereby reducing the weight and volume of the device.

[0018] 3. The drainage pump of this device adopts a hydraulic slurry pump instead of other electric drainage pumps, thus avoiding the risk of short circuit of the drainage pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the present invention.

[0020] Figure 2 It is a top view of the present invention.

[0021] Figure 3 It is a left side view of the present invention.

[0022] Figure 4 It is a right side view of the present invention.

[0023] Figure 5 It is a schematic diagram of the internal structure of the present invention.

[0024] Figure 6 It is a top view schematic diagram of the internal structure of the present invention.

[0025] Figure 7 It is a schematic structural diagram of the drainage pump and the connecting frame part of the present invention.

[0026] Figure 8 It is a schematic diagram of the hydraulic system structure of the power device of the present invention. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0028] like Figures 1 to 6 As shown, the present invention includes a chassis component 4, a buoyancy tank 1, a drainage pump 3, a power device 5 and a traveling device 2.

[0029] The upper end of the chassis component 4 is installed with a power unit 5 and a traveling device 2, and the lower end is connected to the drainage pump 3 through a connecting frame 103. The chassis component 4 is connected to the traveling device 2, and the traveling device 2 includes wheels 205 and a transmission device. The two sides of the chassis component 4 are rotatably connected to two rotating shafts respectively, the outer end of the rotating shaft is connected to the wheel 205, and the inner end is connected to the power unit 5 through the transmission device. The buoyancy tank 1 is installed at the upper end of the chassis component 4, and the buoyancy tank 1 and the chassis component 4 form a closed cavity, and the power unit 5 is placed in the cavity of the buoyancy tank 1.

[0030] The volume of the closed cavity formed by the buoyancy box 1 and the chassis component 4 is calculated according to the Archimedean principle. 浮 =G=ρ 液 V 排 At the same time, the buoyancy box 1 and the chassis component 4 are made of aluminum alloy material, which can make the device float on the water surface.

[0031] In the optimization scheme, an opening is provided at the upper end of the pontoon 1, and a cover plate 101 is installed at the opening. The cover plate 101 is hinged to one end wall of the pontoon 1, and the cover plate 101 is hinged to one end of a telescopic rod 102. The other end of the telescopic rod 102 is hinged to the pontoon 1. The extension and retraction of the telescopic rod 102 can control the opening and closing of the cover plate 101. Sealing strips are provided on the walls around the cover plate 101. When the cover plate 101 is buckled on the opening of the pontoon 1, the sealing strip can enable the cover plate 101 to seal the gap between the pontoons 1.

[0032] The two sides of the chassis component 4 are respectively connected to the transmission box 204, and a transmission device is installed in the transmission box 204. The transmission device is a chain transmission device, and its specific structure includes: a double-row roller sprocket 203, a roller sprocket 201 and a roller chain 202. The double-row roller sprocket 203 is rotatably connected to the transmission box 204 through a transmission shaft, and roller sprockets 201 are respectively installed on both sides of the double-row roller sprocket 203. The roller sprocket 201 is rotatably connected to the chassis component 4 through a rotating shaft, and the double-row roller sprocket 203 is connected to the roller sprockets 201 on both sides through roller chains 202.

[0033] In the optimized solution, the drainage pump 3 is a hydraulic slurry pump.

[0034] An automatic water pump 104 is installed in the cavity of the transmission box 204, and a drainage hole 105 is provided on the side wall of the pontoon 1. The water outlet of the automatic water pump 104 is connected to the drainage hole 105 on the side wall of the pontoon 1 through a pipe. The automatic water pump 104 has its own control circuit and sensor inside, and automatically senses once every 2 minutes and 30 seconds. When the sensed water level exceeds 2 cm, the automatic water pump 104 starts to discharge the accumulated water inside the transmission box 204 to the outside of the robot through the drainage hole 105.

[0035] The power device 5 used in the present invention includes an engine 501 and a hydraulic station driven by the engine 501. The pressure oil provided by the hydraulic station acts on the hydraulic motor 511 and the drainage pump 3 through the oil pipe and the control valve system. Figure 8 As shown, the power device 5 includes an engine 501, a hydraulic pump 504 and a hydraulic motor 511. The main shaft of the engine 501 is connected to the main shaft of the hydraulic pump 504 through a coupling. The oil inlet of the hydraulic pump 504 is connected to the filter 502 and the hydraulic oil tank 512 in sequence through an oil pipe. The oil outlet of the hydraulic pump 504 is connected to the P oil ports of the two first and second position four-way reversing valves 506 through oil pipes. The hydraulic pump 504 and the first and second position four-way reversing valves 506 are connected to the oil inlet of the overflow valve 508 through an oil pipe. The overflow valve 508 is connected to the cooler 509, the filter 502 and the hydraulic oil tank 512 in sequence through an oil pipe. When the pressure of the hydraulic oil flowing into the first and second position four-way reversing valve 506 is too high, the first overflow valve 508 works, and the hydraulic oil flows through the first overflow valve 508 and flows back into the hydraulic oil tank 512.

[0036] In the optimized solution, the hydraulic pump 504 is a Marzocchi double pump.

[0037] The A oil port of the first two-position four-way reversing valve 506 is connected to the P oil port of the second two-position four-way reversing valve 507 through an oil pipe, the B oil port of the second two-position four-way reversing valve 507 is connected to the oil inlet of the drainage pump 3 through an oil pipe, the B oil port of the first two-position four-way reversing valve 506 is connected to the P oil port of the first three-position four-way reversing valve 505 through an oil pipe, and the T oil port of the first two-position four-way reversing valve 506, the T oil port of the first three-position four-way reversing valve 505 and the second two-position four-way The T oil port and A oil port of the reversing valve 507 are connected to the oil outlet of the drain pump 3 in sequence through oil pipes, respectively; the A oil port of the first three-position four-way reversing valve 505 is connected to the oil inlet of the hydraulic motor 511 and the oil inlet of the two-position two-way manual valve 515 through pipelines, and the oil outlets of the hydraulic motor 511 and the two-position two-way manual valve 515 are connected to the B oil port of the first three-position four-way reversing valve 505 through oil pipes.

[0038] The P oil port of the second three-position four-way reversing valve 503 is connected to the B oil port of one of the first two-position four-way reversing valves 506 through an oil pipe, the A and B oil ports of the second three-position four-way reversing valve 503 are connected to the hydraulic pipe joint 513 through an oil pipe, and the T oil port of the second three-position four-way reversing valve 503 is connected to the cooler 509, the filter 502 and the hydraulic oil tank 512 in sequence through an oil pipe. When the hydraulic pipe joint 513 needs to be used, the first two-position four-way reversing valve 506 is started to make its P oil port communicate with the B oil port, and its T oil port communicate with the A oil port, and the second three-position four-way reversing valve 503 is started to make it communicate with the hydraulic pipe joint 513, and hydraulic oil can be injected into the hydraulic pipe joint.

[0039] The P oil port of the third three-position four-way reversing valve 516 is connected to the B oil port of another first two-position four-way reversing valve 506 through an oil pipe, the A and B oil ports of the third three-position four-way reversing valve 516 are connected to the hydraulic cylinder 514 through an oil pipe, and the T oil port of the third three-position four-way reversing valve 516 is connected to the throttle valve 517, the cooler 509, the filter 502 and the hydraulic oil tank 512 in sequence through an oil pipe. The first two-position four-way reversing valve 506 is started to make its P oil port communicate with the B oil port, and the third three-position four-way reversing valve 516 is started to make its P oil port communicate with the B oil port. At this time, hydraulic oil is injected into the hydraulic cylinder 514, and the hydraulic cylinder 514 extends. When the P oil port of the third three-position four-way reversing valve 516 is connected to the A oil port, hydraulic oil is injected into the hydraulic cylinder 514, and the hydraulic cylinder 514 contracts.

[0040] The first two-position four-way reversing valve 506 , the second two-position four-way reversing valve 507 , the first three-position four-way reversing valve 505 , the second three-position four-way reversing valve 503 and the third three-position four-way reversing valve 516 are all electromagnetic reversing valves.

[0041] like Figure 7 As shown, the connecting frame 103 is hinged to the chassis component 4, one end of the hydraulic cylinder 514 is hinged to the chassis component 4, and the other end is hinged to the connecting frame 103. When the hydraulic cylinder 514 is extended or retracted, it can drive the connecting frame 103 to rotate, and the connecting frame 103 can drive the drainage pump 3 to rotate, so that the position of the drainage pump 3 can be adjusted according to the water depth.

[0042] The hydraulic motor 511 is driven by the wheel 205 through the transmission device, the main shaft of the hydraulic motor 511 is fixedly connected to the double-row roller sprocket 203 in the transmission device, and the hydraulic motor is installed on the chassis component 4. In this embodiment, the hydraulic motor 511 is a bidirectional hydraulic motor.

[0043] The chassis component 4 is mounted with a hydraulic oil tank 512 and a fuel tank 510 . The fuel tank 510 is connected to the engine 501 via a pipeline, so that fuel can be input into the engine 501 .

[0044] In the optimization scheme, the two first- and second-position four-way reversing valves 506, the two second- and second-position four-way reversing valves 507 and the two overflow valves 508 are connected through a valve platform, and a plurality of channels are provided on the valve platform. The first- and second-position four-way reversing valve 506 is connected with the second two-position four-way reversing valve 507 and the overflow valve 508 through the channels on the valve platform, and the valve platform is installed on the chassis component 4.

[0045] The operation process is as follows: when using this device, connect the water outlet of the drainage pump 3 to the pipeline, start the first two-position four-way reversing valve 506 and the first three-position four-way reversing valve 505, so that the P oil port of the first two-position four-way reversing valve 506 is connected to the B oil port, and the P oil port of the first three-position four-way reversing valve 505 is connected to the A oil port, and the hydraulic oil is injected into the hydraulic motor 511. The hydraulic motor 511 drives the wheel 205 to rotate through the transmission device, so that the device enters the puddle, starts the first two-position four-way reversing valve 506 and the second two-position four-way reversing valve 507, so that the P oil port of the first two-position four-way reversing valve 506 is connected to the A oil port, and the P oil port of the second two-position four-way reversing valve 507 is connected to the B oil port, so that the drainage pump 3 works and the water in the puddle is pumped out through the pipeline.

[0046] It should be noted that the specific embodiments of the present invention have been described in detail. For those skilled in the art, various obvious changes to the present invention without departing from the spirit and scope of the present invention are within the protection scope of the present invention.

Claims

1. An amphibious fire-fighting water supply and drainage robot, characterized in that: The invention comprises a chassis component (4), a buoyancy box (1), a drainage pump (3), a power device (5) and a traveling device (2); the power device (5) and the traveling device (2) are installed at the upper end of the chassis component (4), and the lower end is connected to the drainage pump (3); the chassis component (4) is connected to the traveling device (2); the traveling device (2) comprises wheels (205) and a transmission device; two sides of the chassis component (4) are respectively rotatably connected to two rotating shafts; the outer ends of the rotating shafts are connected to the wheels (205), and the inner ends are connected to the power device (5) via the transmission device; the buoyancy box (1) is installed at the upper end of the chassis component (4); the power device (5) comprises an engine (501) and The hydraulic station driven by the hydraulic station provides pressure oil that acts on the hydraulic motor (511) and the drainage pump (3) through the oil pipe and the control valve system; the hydraulic motor (511) realizes transmission with the wheel (205) through the transmission device; the hydraulic motor (511) is installed on the chassis component (4); the chassis component (4) is equipped with a hydraulic oil tank (512) and a fuel tank (510); the upper end of the buoyancy box (1) is provided with an opening, and a cover plate (101) is installed at the opening; the cover plate (101) is hinged to one end wall of the buoyancy box (1); the cover plate (101) and the buoyancy box (1) are connected by a telescopic rod (102); the walls around the cover plate (101) are provided with The chassis component (4) is connected to a transmission box (204) on both sides respectively. A transmission device is installed in the transmission box (204). The transmission device is a chain transmission device. The specific structure of the transmission device includes: a double-row roller sprocket (203), a roller sprocket (201) and a roller chain (202). The double-row roller sprocket (203) is rotatably connected to the transmission box (204) via a transmission shaft. Roller sprockets (201) are installed on both sides of the double-row roller sprocket (203). The roller sprocket (201) is rotatably connected to the chassis component (4) via a rotating shaft. The double-row roller sprocket (203) is connected to the roller sprockets (201) on both sides via the roller chain (202). 1) connection; an automatic water pump (104) is installed in the cavity of the transmission box (204); a drainage hole (105) is provided on the side wall of the buoyancy box (1); the water outlet of the automatic water pump (104) is connected to the drainage hole (105) on the side wall of the buoyancy box (1) through a pipeline; the power device (5) comprises an engine (501), a hydraulic pump (504) and a hydraulic motor (511); the engine (501) is connected to the hydraulic pump (504); the hydraulic pump (504) is connected to the filter (502) and the hydraulic oil tank (512) in sequence through an oil pipe; the hydraulic pump (504) is connected to two first-position and second-position four-way reversing valves (506) through oil pipes;The first two-position four-way reversing valve (506) is connected to the second two-position four-way reversing valve (507) via an oil pipe, the second two-position four-way reversing valve (507) is connected to the drainage pump (3) via an oil pipe, the first two-position four-way reversing valve (506) is connected to the first three-position four-way reversing valve (505) via an oil pipe, the first two-position four-way reversing valve (506), the first three-position four-way reversing valve (505), and the second two-position four-way reversing valve (507) are connected to the drainage pump (3) via an oil pipe, The water pump (3) is connected to the cooler (509), the filter (502) and the hydraulic oil tank (512) in sequence through oil pipes, the first three-position four-way reversing valve (505) is connected to the hydraulic motor (511) through a pipeline, and the hydraulic motor (511) is connected to the first three-position four-way reversing valve (505) through an oil pipe; the hydraulic pump (504) and the first two-position four-way reversing valve (506) are connected to the oil inlet of the overflow valve (508) through the oil pipe. The overflow valve (508) is connected to a cooler (509), a filter (502) and a hydraulic oil tank (512) in sequence through an oil pipe; the second three-position four-way reversing valve (503) is connected to one of the first and second position four-way reversing valves (506) through an oil pipe, the second three-position four-way reversing valve (503) is connected to a hydraulic pipe joint (513) through an oil pipe, and the second three-position four-way reversing valve (503) is connected to a cooler (509), a filter (502) and a hydraulic oil tank (512) in sequence through an oil pipe; the third three-position four-way reversing valve (516) is connected to another first and second position four-way reversing valve (506) through an oil pipe, the third three-position four-way reversing valve (516) is connected to a hydraulic cylinder (514) through an oil pipe, and the third three-position four-way reversing valve (516) is connected to a throttle valve (517), a cooler (509), a filter (502) and a hydraulic oil tank (512) in sequence through an oil pipe. ; 2. The amphibious fire-fighting water supply and drainage robot according to claim 1, characterized in that: The lower end of the chassis component (4) is connected to the drainage pump (3) via a connecting frame (103); the connecting frame (103) is hinged to the chassis component (4); one end of the hydraulic cylinder (514) is hinged to the chassis component (4) and the other end is hinged to the connecting frame (103).

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