Damping device for chassis of fire-fighting robot

Abstract

The utility model relates to the technical field of fire-fighting equipment, and discloses a damping device of a fire-fighting robot chassis, which comprises a connecting base, and a damping device is arranged at the top of the connecting base. The damping device comprises a connecting column piece, a damping telescopic rod piece, a middle connecting base, a buffering column piece, an elastic buffering cushion, a bearing plate, a middle connecting rod, a connecting block, a connecting body, a spring piece, a bearing base, a connecting air pipe, an annular air bag, a connecting air pipe piece and an air pump. According to the damping device of the fire-fighting robot chassis, by arranging the damping device body, multiple sets of damping structures at different positions can be arranged, buffering and damping are assisted at the same time, when impact force is small, an elastic buffering pad and a spring piece are used for buffering, and when the impact force is increased, a hard buffering assembly gradually intervenes, and higher supporting force is provided; in this way, effective damping can be achieved under vibration and impact of different degrees, and the damping effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a shock-absorbing device for a fire-fighting robot chassis. Background Art

[0002] As an advanced firefighting device, firefighting robots are playing an increasingly important role in modern firefighting and emergency rescue. They can replace firefighters in hazardous environments such as high temperatures, toxic substances, and explosives, performing firefighting, reconnaissance, and rescue tasks, effectively protecting firefighters' lives and improving firefighting and rescue efficiency. Firefighting robots are widely used in fire-prone areas such as industrial plants, warehouses, petrochemical plants, and high-rise buildings.

[0003] Prior art publication number CN211893444U discloses a shock-absorbing mechanism for a tracked chassis of a firefighting robot. The mechanism comprises a shock-absorbing mechanism assembly, a track wheel assembly connected to a frame via several shock-absorbing mechanism assemblies, the shock-absorbing mechanism assembly comprising a mounting base fixedly connected to the frame, a shock-absorbing slider assembly embedded in the mounting base, and several buffer mechanisms disposed between the shock-absorbing slider assembly and the mounting base; the shock-absorbing slider assembly is internally provided with a pivot mechanism rotatably connected to the track wheel assembly. The present utility model provides a shock-absorbing mechanism for a tracked chassis of a firefighting robot. The shock-absorbing mechanism is disposed on the exterior of the track wheel. The number of shock-absorbing mechanisms that can be installed is not limited by the wheel structure within the track wheel assembly, further enhancing the installation adaptability of the shock-absorbing mechanism.

[0004] The shock absorbing device of the above-mentioned fire-fighting robot chassis is outside the wheel body of the track wheel assembly, and is not restricted by the wheel body inside the track wheel assembly, especially the road wheel. The number of shock absorbing mechanism assemblies can be installed according to needs. However, the above-mentioned shock absorbing device has a single buffer component when in use, which only includes a shock absorbing slider, and the shock absorbing effect is poor, which cannot meet the use requirements and the effect during use is not good, and needs to be improved. Utility Model Content

[0005] The purpose of the present utility model is to provide a shock absorbing device for the chassis of a fire-fighting robot to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a shock absorbing device for a fire-fighting robot chassis, comprising a connecting base, a shock absorbing device is provided on the top of the connecting base, and an adjustment device is provided on the top of the connecting base.

[0007] The shock absorbing device includes a connecting column, a damping telescopic rod, an intermediate connecting seat, a buffer column, an elastic buffer pad, a receiving plate, an intermediate connecting rod, a connecting block, a connecting body, a spring member, a bearing base, a connecting air pipe, an annular airbag, a connecting air pipe member and an air pump. The connecting column is fixedly connected to the top of the connecting base, the damping telescopic rod is fixedly connected to the top of the connecting column, the intermediate connecting seat is fixedly connected to the top of the damping telescopic rod, the buffer column is fixedly connected to the top of the intermediate connecting seat, the elastic buffer pad is fixedly connected to the top of the buffer column, the connecting block is fixedly connected to the surface center of the intermediate connecting rod, the connecting body is fixedly connected to the bottom of the connecting block, the spring member is fixedly connected to the bottom of the connecting body, the bearing base is fixedly connected to the bottom of the spring member, and the bearing base is fixedly connected to the top center of the connecting base.

[0008] Preferably, the adjustment device includes a connecting plate, a pendulum carrier, a connecting cable, a pendulum ball part, a slide and a limiting sliding rod, the connecting plate is fixedly connected to the top left side of the connecting base near the front, the pendulum carrier is connected to the top of the connecting plate, the connecting cable is fixedly connected to the bottom left side of the pendulum carrier, the pendulum ball part is fixedly connected to the end of the connecting cable away from the bottom of the pendulum carrier, the slide is fixedly connected to the top of the connecting base, the pendulum ball part is slidably connected to the inside of the slide, and the limiting sliding rod is fixedly connected to the left side of the pendulum ball part.

[0009] Preferably, a sliding groove is opened on the left side of the slide, the rod diameter of the limiting sliding rod is adapted to the width of the sliding groove, the limiting sliding rod is slidably connected to the left side of the slide, the setting of the sliding groove is used in conjunction with the limiting sliding rod, and the pendulum ball part is limited when it slides in the opposite direction according to the moving direction of the device, thereby effectively reducing the vibration of the chassis.

[0010] Preferably, one end of the connecting air pipe away from the right side of the annular airbag is fixedly connected to the top of the air pump.

[0011] Preferably, the connecting air pipe is fixedly connected to the right side of the annular airbag on the right side, and the air pump is fixedly connected to the top right side of the connecting base.

[0012] Preferably, the receiving plate is fixedly connected to the top of the elastic buffer pad, and the middle connecting rod is fixedly connected to the side of the buffer column members close to each other.

[0013] Preferably, the annular airbag is fixedly connected to the surface of the damping telescopic rod, and the connecting air pipe is fixedly connected to the front of the annular airbag. The air pump is started to cooperate with the connecting air pipe to input gas into the interior of the annular airbag, so that the annular airbag is inflated, and the connecting air pipe is used to inflate both the left and right annular airbags, and then when the middle connecting seat swings up and down, it can hit the annular airbag to provide further cushioning.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The shock absorbing device of the chassis of the fire-fighting robot is equipped with a shock absorbing device, which can set up multiple groups of shock absorbing structures in different positions, and help to buffer and reduce shock at the same time. When the impact force is relatively small, the elastic buffer pad and the spring member are used for buffering. When the impact force increases, the harder buffer component gradually intervenes to provide stronger support force, and the damping telescopic rod also works. In this way, effective shock absorption can be achieved under different degrees of vibration and impact. When the shock absorbing device is in use, the buffer component is no longer single, and the shock absorption effect is good.

[0016] 2. The shock-absorbing device of the fire-fighting robot chassis is equipped with an adjustment device, which includes a pendulum consisting of a pendulum carrier, a connecting cable and a pendulum sphere. When the device moves, the inertial pendulum will automatically adjust its position according to the movement state of the vehicle. When encountering bumps, the inertia of the pendulum will generate a force in the opposite direction of the vibration, thereby reducing the vibration of the chassis and further increasing the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model connecting the air pipe, the annular air bag, the connecting air pipe fitting and the air pump;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the adjustment device of the utility model;

[0020] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0021] In the figure: 1. Connecting base; 2. Shock absorption device; 201. Connecting column; 202. Damping telescopic rod; 203. Intermediate connecting seat; 204. Buffer column; 205. Elastic buffer pad; 206. Socket plate; 207. Intermediate connecting rod; 208. Connecting block; 209. Connecting body; 210. Spring member; 211. Bearing base; 212. Connecting air pipe; 213. Annular airbag; 214. Connecting air pipe member; 215. Air pump; 3. Adjusting device; 301. Connecting plate; 302. Pendulum bearing member; 303. Connecting cable; 304. Pendulum ball member; 305. Sliding seat; 306. Limiting sliding rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 , the utility model provides the following technical solutions:

[0024] A shock absorbing device for a fire-fighting robot chassis comprises a connecting base 1, a shock absorbing device 2 is provided on the top of the connecting base 1, and an adjusting device 3 is provided on the top of the connecting base 1.

[0025] The shock absorbing device 2 includes a connecting column 201, a damping telescopic rod 202, an intermediate connecting seat 203, a buffer column 204, an elastic buffer pad 205, a receiving plate 206, an intermediate connecting rod 207, a connecting block 208, a connecting body 209, a spring 210, a bearing base 211, a connecting air pipe 212, an annular air bag 213, a connecting air pipe 214 and an air pump 215. The connecting column 201 is fixedly connected to the top of the connecting base 1, and the damping telescopic rod 202 is fixedly connected to the The top of the connecting column 201, the intermediate connecting seat 203 is fixedly connected to the top of the damping telescopic rod 202, the buffer column 204 is fixedly connected to the top of the intermediate connecting seat 203, the elastic buffer pad 205 is fixedly connected to the top of the buffer column 204, the connecting block 208 is fixedly connected to the surface center of the intermediate connecting rod 207, the connecting body 209 is fixedly connected to the bottom of the connecting block 208, the spring member 210 is fixedly connected to the bottom of the connecting body 209, and the supporting base 211 is fixedly connected. The bottom of the spring member 210 is connected, the supporting base 211 is fixedly connected to the top center of the connecting base 1, the annular airbag 213 is fixedly connected to the surface of the damping telescopic rod 202, and the connecting air pipe 214 is fixedly connected to the front of the annular airbag 213. The air pump 215 is started to cooperate with the connecting air pipe 212 to input gas into the inside of the annular airbag 213, so that the annular airbag 213 is inflated, and the connecting air pipe 214 is used to inflate the left and right annular airbags 213, and then the middle one is connected. When the socket 203 swings up and down, it can hit the annular airbag 213 to provide further cushioning. The end of the connecting air pipe 212 away from the right side of the right annular airbag 213 is fixedly connected to the top of the air pump 215. The connecting air pipe 212 is fixedly connected to the right side of the right annular airbag 213. The air pump 215 is fixedly connected to the top right side of the connecting base 1. The receiving plate 206 is fixedly connected to the top of the elastic buffer pad 205. The middle connecting rod 207 is fixedly connected to the side of the buffer column 204 close to each other.

[0026] The adjusting device 3 includes a connecting plate 301, a pendulum bearing member 302, a connecting cable 303, a pendulum ball member 304, a slide 305 and a limit sliding rod 306. The connecting plate 301 is fixedly connected to the top left side of the connecting base 1 near the front, the pendulum bearing member 302 is connected to the top of the connecting plate 301, the connecting cable 303 is fixedly connected to the bottom left side of the pendulum bearing member 302, the pendulum ball member 304 is fixedly connected to the end of the connecting cable 303 away from the bottom of the pendulum bearing member 302, and the slide 305 is fixed. It is fixedly connected to the top of the connecting base 1, the pendulum ball part 304 is slidably connected to the inside of the slide 305, the limiting sliding rod 306 is fixedly connected to the left side of the pendulum ball part 304, and a sliding groove is provided on the left side of the slide 305. The rod diameter of the limiting sliding rod 306 is adapted to the width of the sliding groove. The limiting sliding rod 306 is slidably connected to the left side of the slide 305. The setting of the sliding groove is used in conjunction with the limiting sliding rod 306. When the pendulum ball part 304 slides in the opposite direction according to the moving direction of the device, it is limited, thereby effectively reducing the vibration of the chassis.

[0027] When in use, the device is placed on the base surface, and then the bottom of the fire-fighting robot can be installed on the top of the receiving plate 206. Then, when in use, the shock-absorbing device 2 located on the top of the connecting base 1 can help to reduce shock. When in use, the up and down forces can be buffered by the elastic buffer pad 205 in the first step, and then brought down, the damping telescopic rod 202 is used to buffer the second step, and the middle connecting seat 203 will swing up and down. At this time, it is necessary to start the air pump 215 and cooperate with the connecting air pipe 212 to input gas into the annular airbag 213, so that the annular airbag 213 is inflated, and the connecting air pipe 214 is used to inflate the left and right annular airbags 213. Then, when the middle connecting seat 203 swings up and down, it can hit the annular airbag 213 for further buffering. The left and right buffer columns 204 are connected by the middle connecting rod 207 and the connecting block 208, and the bottom of the connecting block 208 is provided with a spring member 210 and The connecting body 209 can be provided with multiple groups of shock-absorbing structures in different positions, which can help to buffer and reduce shock at the same time. When the impact force is relatively small, the elastic buffer pad 205 and the spring member 210 are used for buffering. When the impact force increases, the harder buffer component gradually intervenes to provide stronger supporting force, and the damping telescopic rod 202 also takes effect, so that effective shock absorption can be achieved under different degrees of vibration and impact. When the shock-absorbing device is in use, the buffer component is no longer single, and the shock absorption effect is good, which can meet the use requirements and has a good effect when in use. An adjustment device 3 is provided on the top of the connecting base 1, which includes a pendulum composed of a pendulum bearing member 302, a connecting cable 303 and a pendulum ball member 304. When the device moves, the inertial pendulum will automatically adjust its position according to the movement state of the vehicle. When encountering bumps, the inertia of the pendulum will generate a force opposite to the vibration direction, thereby reducing the vibration of the chassis and further increasing the stability of the device.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing device for a fire-fighting robot chassis, comprising a connecting base (1), characterized in that: A shock absorbing device (2) is provided on the top of the connection base (1), and an adjustment device (3) is provided on the top of the connection base (1); The shock absorbing device (2) comprises a connecting column (201), a damping telescopic rod (202), an intermediate connecting seat (203), a buffer column (204), an elastic buffer pad (205), a receiving plate (206), an intermediate connecting rod (207), a connecting block (208), a connecting body (209), a spring member (210), a bearing base (211), a connecting air pipe (212), an annular air bag (213), a connecting air pipe member (214) and an air pump (215), wherein the connecting column (201) is fixedly connected to the top of the connecting base (1), the damping telescopic rod (202) is fixedly connected to the top of the connecting column (201), and the intermediate connecting seat ( 203) is fixedly connected to the top of the damping telescopic rod (202), the buffer column (204) is fixedly connected to the top of the intermediate connecting seat (203), the elastic buffer pad (205) is fixedly connected to the top of the buffer column (204), the connecting block (208) is fixedly connected to the surface center of the intermediate connecting rod (207), the connecting body (209) is fixedly connected to the bottom of the connecting block (208), the spring member (210) is fixedly connected to the bottom of the connecting body (209), the supporting base (211) is fixedly connected to the bottom of the spring member (210), and the supporting base (211) is fixedly connected to the top center of the connecting base (1).

2. The shock absorbing device for a firefighting robot chassis according to claim 1, characterized in that: The adjusting device (3) comprises a connecting plate (301), a pendulum bearing member (302), a connecting cable (303), a pendulum sphere member (304), a slide seat (305) and a limiting sliding rod (306), wherein the connecting plate (301) is fixedly connected to the top left side of the connecting base (1) near the front, the pendulum bearing member (302) is connected to the top of the connecting plate (301), the connecting cable (303) is fixedly connected to the bottom left side of the pendulum bearing member (302), the pendulum sphere member (304) is fixedly connected to an end of the connecting cable (303) away from the bottom of the pendulum bearing member (302), the slide seat (305) is fixedly connected to the top of the connecting base (1), the pendulum sphere member (304) is slidably connected to the inside of the slide seat (305), and the limiting sliding rod (306) is fixedly connected to the left side of the pendulum sphere member (304).

3. The shock absorbing device for a firefighting robot chassis according to claim 2, characterized in that: A sliding groove is provided on the left side of the slide seat (305), the rod diameter of the limiting sliding rod (306) is adapted to the width of the sliding groove, and the limiting sliding rod (306) is slidably connected to the left side of the slide seat (305).

4. The shock absorbing device for a firefighting robot chassis according to claim 1, characterized in that: One end of the connecting air pipe (212) away from the right side of the annular air bag (213) is fixedly connected to the top of the air pump (215).

5. The shock absorbing device for a firefighting robot chassis according to claim 1, characterized in that: The connecting air pipe (212) is fixedly connected to the right side of the right annular air bag (213), and the air pump (215) is fixedly connected to the right side of the top of the connecting base (1).

6. The shock absorbing device for a firefighting robot chassis according to claim 1, characterized in that: The receiving plate (206) is fixedly connected to the top of the elastic buffer pad (205), and the middle connecting rod (207) is fixedly connected to the side of the buffer column (204) that is close to each other.

7. The shock absorbing device for a firefighting robot chassis according to claim 1, characterized in that: The annular airbag (213) is fixedly connected to the surface of the damping telescopic rod (202), and the connecting air pipe (214) is fixedly connected to the front surface of the annular airbag (213).

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