Automatic butt joint device for fire hydrant

Abstract

The invention discloses an automatic butt joint device for fire hydrants, which belongs to the technical field of fire-fighting robots and comprises an electric lift truck, a rotating platform arranged on the electric lift truck, a metal frame assembly arranged on the upper side of the rotating platform, and a first electric push rod fixed at one end of the upper side of the metal frame assembly. The second electric push rod separation device is fixed to the upper side of the other end of the metal frame assembly and further connected with the supporting device, and meanwhile the end, close to the supporting device, of the second electric push rod separation device is further connected with the butt joint assembly. The angle adjusting assembly and the supporting device are both arranged on the upper side of the end, close to the second electric push rod, of the metal frame assembly, the water hose box assembly is arranged on the upper side of the rotating platform and located on one side of the metal frame assembly, and one end of the water hose box assembly is connected with the metal frame assembly. The fire hydrant in a fire scene is connected through the structure, and the flexibility of the fire-fighting robot and sufficient water sources can be guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of fire-fighting robots, and in particular to an automatic docking device for fire hydrants. Background Art

[0002] Firefighting robots can replace firefighting and rescue personnel to enter unknown or dangerous fire scenes to carry out firefighting and rescue work. Current firefighting robots need to be manually connected to water sources outside the fire scene before entering the fire scene. On the one hand, the water hose will limit the working range of the firefighting robot in the fire scene; on the other hand, the water source of the fire truck is limited, and there may be a problem of insufficient water source. Based on this, the present invention provides a fire hydrant automatic docking device. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic docking device for fire hydrants, which can be used to connect fire hydrants in a fire scene to ensure the flexibility of a fire-fighting robot and the sufficiency of water sources.

[0004] To achieve the above-mentioned objectives, the present invention provides an automatic docking device for a fire hydrant, comprising an electric lifting vehicle, a rotating platform, a metal frame assembly, a first electric push rod, a second electric push rod disengagement device, a supporting device, an angle adjustment assembly, a docking assembly and a water hose box assembly. The rotating platform is arranged on the electric lifting vehicle, the metal frame assembly is arranged on the upper side of the rotating platform, the first electric push rod is fixed to one end of the upper side of the metal frame assembly, the second electric push rod disengagement device is fixed to the upper side of the other end of the metal frame assembly, the second electric push rod disengagement device is connected to the supporting device, and at the same time, the end of the second electric push rod disengagement device close to the supporting device is also connected to the docking assembly, the angle adjustment assembly and the supporting device are both arranged on the upper side of the metal frame assembly close to one end of the second electric push rod disengagement device, the water hose box assembly is arranged on the upper side of the rotating platform, the water hose box assembly is located on one side of the metal frame assembly, and one end of the water hose box assembly is connected to the metal frame assembly.

[0005] Preferably, the electric lift vehicle comprises a lift vehicle body and a lift platform, and the lift platform is arranged on the upper side of the lift vehicle body.

[0006] Preferably, the rotating platform includes a platform base, a first servo motor and a rotating table. The platform base is fixed to the upper side of the lifting platform in the electric lifting vehicle, and the rear end of the platform base has a cylindrical depression with the same diameter as the rotating table. A rotating column is arranged at the center position of the depression. The first servo motor is sleeved on the outside of the rotating column, and the center of the lower side of the rotating table is sleeved on the outside of the first servo motor.

[0007] Preferably, the metal frame assembly includes a metal frame, a slide rail, a slider and a slide rail connecting platform. The metal frame is arranged in the middle position of the upper side of the rotating table, the slide rail is arranged inside the metal frame, there are several sliders, and they are all "T-shaped" structures. The bottom end of each slider passes through the slide rail, and the top end is located on the upper side of the slide rail. The slide rail connecting platform is connected to the end of the slide rail close to the center of the lifting platform, and the slide rail connecting platform is also connected to the first electric push rod.

[0008] Preferably, the first electric push rod includes a first base, a first cylinder body and a first push rod, one end of the first base is connected to the metal frame, and the other end is connected to the first cylinder body, the first push rod is arranged inside the first cylinder body, and one end of the first push rod outside the first cylinder body is connected to the slide rail connecting platform.

[0009] Preferably, the second electric push rod disengagement device includes a second base, a second push rod, a baffle, a driven rod, a connecting rod and a disengagement pin. The second base is fixed above the slide rail connecting platform, the second push rod is located inside the second base, the baffle is arranged on the second base close to one end of the second push rod, the middle position of the driven rod is fixedly connected to the end of the second push rod away from the second base, there are two connecting rods, one end of each connecting rod is respectively connected to the two ends of the driven rod, and the other ends of the two connecting rods are respectively connected to the two ends of the disengagement pin, and the upper side of the middle position of the disengagement pin passes through the supporting device and the docking assembly.

[0010] Preferably, the water hose box assembly includes a water hose box body, a fixing seat and a water hose box cover. The water hose box body is arranged on one side of the metal frame assembly on the upper side of the rotating platform. One end of the water hose box fixing seat is connected to the water hose box body, and the other end is sleeved on the outside of the end of the slide rail close to the first base. The water hose box cover is connected to the side of the water hose box body away from the metal frame.

[0011] Preferably, the angle adjustment assembly includes a motor box, a second servo motor, a drive disk and an adjustment plate. The bottom of the motor box is fixed on the side above the slide rail connecting platform close to the first electric push rod. The second servo motor is arranged inside the motor box. One side of the drive disk passes through the motor box and is connected to the second servo motor. There are three adjustment plates, and one end of the three adjustment plates is fixed on the other side of the drive disk in a centrally symmetrical manner. The other ends of the three adjustment plates are all connected to the docking assembly.

[0012] Preferably, the docking assembly includes a connecting disk, a connecting cylinder, a fixed cylinder, a third drive motor, a valve drive disk assembly and a docking device, the connecting disk is fixed at one end of the connecting cylinder, the connecting disk is also connected to the adjusting plate, the other end of the connecting cylinder is connected to the fixed cylinder, the third drive motor is arranged at one end inside the fixed cylinder, the valve drive disk assembly passes through the fixed cylinder and is connected to the third drive motor, and the docking device is fixed to the other end of the fixed cylinder by a water hose sleeve.

[0013] Preferably, the valve drive disc assembly includes a valve drive disc body, a drive disc fixing cylinder and a drive claw. One side of the drive disc body is connected to the third drive motor. There are three drive disc fixing cylinders, which are centrally symmetrically arranged on the other side of the drive disc body. A spring is arranged inside each drive disc fixing cylinder. There are also three drive claws, and each drive claw is respectively connected to a drive disc fixing cylinder.

[0014] Therefore, the present invention adopts an automatic fire hydrant docking device of the above structure, which greatly increases the working range of the fire-fighting robot in the fire scene by using a water hose box assembly, and can realize autonomous connection of fire hydrants, ensuring the flexibility of the fire-fighting robot at work and sufficient water source. At the same time, an electric lifting vehicle, a rotating platform and an angle adjustment assembly are used to enable the present invention to autonomously connect fire hydrants at different heights and angles.

[0015] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall front view of an automatic docking device for fire hydrants of the present invention;

[0017] Figure 2 It is an exploded schematic diagram of a rotating platform of a fire hydrant automatic docking device of the present invention;

[0018] Figure 3 A schematic diagram of a metal frame assembly of a fire hydrant automatic docking device of the present invention;

[0019] Figure 4 It is a schematic diagram of a first servo motor and a hose box assembly of a fire hydrant automatic docking device of the present invention being assembled on a metal frame assembly;

[0020] Figure 5 It is a schematic diagram of a second electric push rod disengagement device of a fire hydrant automatic docking device of the present invention;

[0021] Figure 6 It is an exploded schematic diagram of an angle adjustment assembly of an automatic docking device for a fire hydrant according to the present invention;

[0022] Figure 7 This is a structural diagram of a docking assembly of an automatic docking device for a fire hydrant according to the present invention;

[0023] Figure 8 It is an exploded schematic diagram of a valve drive disc assembly of a fire hydrant automatic docking device of the present invention;

[0024] Reference numerals

[0025] 1. Electric lift; 11. Lift body; 12. Lifting platform; 2. Rotating platform; 21. Platform base; 22. First servo motor; 23. Rotating table; 3. Metal frame assembly; 31. Metal frame; 32. Slide rail; 33. Sliding block; 34. Slide rail connecting platform; 4. First electric push rod; 41. First base; 42. First cylinder; 43. First push rod; 5. Second electric push rod disengagement device; 51. Second base; 52. Second push rod; 53. Baffle; 54. Follower rod; 55. Connecting rod; 56. Disengagement pin; 6 , hose box assembly; 61, hose box body; 62, fixing seat; 63, hose box cover; 7, angle adjustment assembly; 71, motor box; 72, second servo motor; 73, drive disk; 74, adjustment sheet; 8, supporting device; 9, docking assembly; 91, connecting disk; 92, connecting cylinder; 93, fixing cylinder; 94, third driving motor; 95, valve driving disk assembly; 951, driving disk body; 952, driving disk fixing cylinder; 953, driving claw; 954, spring; 96, docking device; 97, hose sleeve. DETAILED DESCRIPTION

[0026] Example

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0033] like Figure 1-Figure 8 As shown, a fire hydrant automatic docking device includes an electric lifting vehicle 1, a rotating platform 2, a metal frame assembly 3, a first electric push rod 4, a second electric push rod disengaging device 5, a supporting device 8, an angle adjustment assembly 7, a docking assembly 9 and a water hose box assembly 6. The rotating platform 2 is arranged on the electric lifting vehicle 1, the metal frame assembly 3 is arranged on the upper side of the rotating platform 2, the first electric push rod 4 is fixed to one end of the upper side of the metal frame assembly 3, the second electric push rod disengaging device 5 is fixed to the upper side of the other end of the metal frame assembly 3, the second electric push rod disengaging device 5 is connected to the supporting device 8, and the end of the second electric push rod disengaging device 5 close to the supporting device 8 is also connected to the docking assembly 9, the angle adjustment assembly 7 and the supporting device 8 are both arranged on the upper side of the metal frame assembly 3 close to one end of the second electric push rod disengaging device 5, the water hose box assembly 6 is arranged on the upper side of the rotating platform 2, the water hose box assembly 6 is located on one side of the metal frame assembly 3, and one end of the water hose box assembly 6 is connected to the metal frame assembly 3.

[0034] The electric lift truck 1 includes a lift truck body 11 and a lift platform 12 . The lift platform 12 is disposed on the upper side of the lift truck body 11 .

[0035] The rotating platform 2 includes a platform base 21, a first servo motor 22 and a rotating table 23. The platform base 21 is fixed to the upper side of the lifting platform 12 in the electric lifting vehicle 1, and the rear end of the platform base 21 has a cylindrical depression with the same diameter as the rotating table 23. A rotating column is arranged at the center of the depression. The first servo motor 22 is sleeved on the outside of the rotating column, and the lower center of the rotating table 23 is sleeved on the outside of the first servo motor 22.

[0036] The metal frame assembly 3 includes a metal frame 31, a slide rail 32, a slider 33 and a slide rail connecting platform 34. The metal frame 31 is arranged in the middle position of the upper side of the rotating table 23, the slide rail 32 is arranged inside the metal frame 31, there are several sliders 33, and they are all "T-shaped" structures. The bottom end of each slider 33 passes through the slide rail 32, and the top end is located on the upper side of the slide rail 32. The slide rail connecting platform 34 is connected to the end of the slide rail 32 close to the center of the lifting platform 12, and the slide rail connecting platform 34 is also connected to the first electric push rod 4.

[0037] The first electric push rod 4 includes a first base 41, a first cylinder body 42 and a first push rod 43. One end of the first base 41 is connected to the metal frame 31, and the other end is connected to the first cylinder body 42. The first push rod 43 is arranged inside the first cylinder body 42, and one end of the first push rod 43 outside the first cylinder body 42 is connected to the slide rail connecting platform 34.

[0038] The second electric push rod disengagement device 5 includes a second base 51, a second push rod 52, a baffle 53, a driven rod 54, a connecting rod 55 and a disengagement pin 56. The second base 51 is fixed above the slide rail connecting platform 34, and the second push rod 52 is located inside the second base 51. The baffle 53 is arranged on the second base 51 at one end close to the second push rod 52. The middle position of the driven rod 54 is fixedly connected to the end of the second push rod 52 away from the second base 51. There are two connecting rods 55, one end of each connecting rod 55 is respectively connected to the two ends of the driven rod 54, and the other ends of the two connecting rods 55 are respectively connected to the two ends of the disengagement pin 56, and the upper side of the middle position of the disengagement pin 56 passes through the supporting device 8 and the docking assembly 9.

[0039] The water hose box assembly 6 includes a water hose box body 61, a fixing seat 62 and a water hose box cover 63. The water hose box body 61 is arranged on one side of the metal frame assembly 3 on the upper side of the rotating platform 2. One end of the water hose box fixing seat 62 is connected to the water hose box body 61, and the other end is sleeved on the outside of the end of the slide rail 32 close to the first base 41. The water hose box cover 63 is connected to the side of the water hose box body 61 away from the metal frame 31.

[0040] The angle adjustment assembly 7 includes a motor box 71, a second servo motor 72, a drive disk 73 and an adjustment plate 74. The bottom of the motor box 71 is fixed on the side above the slide rail connecting platform 34 close to the first electric push rod 4. The second servo motor 72 is arranged inside the motor box 71. One side of the drive disk 73 passes through the motor box 71 and is connected to the second servo motor 72. There are three adjustment plates 74, and one end of the three adjustment plates 74 is fixed on the other side of the drive disk 73 in a centrally symmetrical manner. The other ends of the three adjustment plates 74 are all connected to the docking assembly 9.

[0041] The docking assembly 9 includes a connecting disk 91, a connecting cylinder 92, a fixed cylinder 93, a third drive motor 94, a valve drive disk assembly 95 and a docking device 96. The connecting disk 91 is fixed at one end of the connecting cylinder 92, and the connecting disk 91 is also connected to the adjusting plate 74. The other end of the connecting cylinder 92 is connected to the fixed cylinder 93. The third drive motor 94 is arranged at one end inside the fixed cylinder 93. The valve drive disk assembly 95 passes through the fixed cylinder 93 and is connected to the third drive motor 94. The docking device 96 is fixed to the other end of the fixed cylinder 93 by a water hose sleeve 97.

[0042] The valve drive disc assembly 95 includes a valve drive disc body 951, a drive disc fixing cylinder 952 and a drive claw 953. One side of the drive disc body 951 is connected to the third drive motor 94. There are three drive disc fixing cylinders 952. The three drive disc fixing cylinders 952 are centrally symmetrically arranged on the other side of the drive disc body 951. A spring 954 is arranged inside each drive disc fixing cylinder 952. There are also three drive claws 953. Each drive claw 953 is respectively connected to a drive disc fixing cylinder 952.

[0043] The docking device 96 in the embodiment of the present invention adopts the KYK65 type tube-thread male interface specified in GB 12514.3-2006.

[0044] During operation, the hose in the hose box assembly 6 is connected to the docking device 96, and the electric lifting vehicle 1 is controlled to move so that the device is parked next to the fire hydrant cabinet door. Then, the lifting platform 12 is adjusted to make the docking assembly 9 rise to be flush with the fire hydrant. Then, the rotating table 23 in the rotating platform 2 rotates under the drive of the first servo motor 22. During this process, the metal frame assembly 3 on the upper side of the rotating platform 2, the first servo motor 22, the second electric push rod disengagement device 5, the hose box assembly 6 and the docking assembly 9 will rotate together with the rotating table 23 until the valve drive disk assembly 95 and the docking device 96 in the docking assembly 9 are facing the fire hydrant. Then, the first push rod 43 in the first electric push rod 4 extends to push the slide rail connecting platform 34 to move, and at the same time, the slide rail 32 The metal frame 31 will also be extended out under the drive of the slider 33 and the slide rail connecting platform 34, and the water hose box assembly 6 will move with the slide rail 32 until the valve drive disk assembly 95 and the docking device 96 are respectively connected to the fire hydrant valve and the fire hydrant, and then the second push rod 52 in the second electric push rod disengagement device 5 will work, and the second push rod 52 will push the driven rod 54 to move away from the docking assembly 9, and the driven rod 54 will pull the connecting rod 55 to make the disengagement pin 56 disengage from the supporting device 8 and the connecting tube 92, leaving the docking assembly 9 at the position of the fire hydrant, and then the third servo motor will work to control the valve drive disk assembly 95 to rotate to open the fire hydrant valve to start water supply; after the work is completed, the same method is used to retrieve the docking assembly 9 and return all the structures to their original positions.

[0045] Therefore, the present invention adopts an automatic fire hydrant docking device of the above structure, which greatly increases the working range of the fire-fighting robot in the fire scene by using a water hose box assembly, and can realize autonomous connection of fire hydrants, ensuring the flexibility of the fire-fighting robot at work and sufficient water source. At the same time, an electric lifting vehicle, a rotating platform and an angle adjustment assembly are used to enable the present invention to autonomously connect fire hydrants at different heights and angles.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A fire hydrant automatic docking device, characterized in that: The utility model comprises an electric lifting vehicle, a rotating platform, a metal frame assembly, a first electric push rod, a second electric push rod detaching device, a supporting device, an angle adjustment assembly, a docking assembly and a water hose box assembly. The rotating platform is arranged on the electric lifting vehicle, the metal frame assembly is arranged on the upper side of the rotating platform, the first electric push rod is fixed to one end of the upper side of the metal frame assembly, the second electric push rod detaching device is fixed to the upper side of the other end of the metal frame assembly, the second electric push rod detaching device is connected to the supporting device, and at the same time, the end of the second electric push rod detaching device close to the supporting device is also connected to the docking assembly, the angle adjustment assembly and the supporting device are both arranged on the upper side of the metal frame assembly close to one end of the second electric push rod detaching device, the water hose box assembly is arranged on the upper side of the rotating platform, the water hose box assembly is located on one side of the metal frame assembly, and one end of the water hose box assembly is connected to the metal frame assembly.

2. The automatic docking device for fire hydrants according to claim 1, characterized in that: The electric lift comprises a lift body and a lift platform, wherein the lift platform is arranged on the upper side of the lift body.

3. The automatic docking device for fire hydrants according to claim 2, characterized in that: The rotating platform includes a platform base, a first servo motor and a rotating table. The platform base is fixed on the upper side of the lifting platform in the electric lifting vehicle, and the rear end of the platform base has a cylindrical depression with the same diameter as the rotating table. A rotating column is arranged at the center position of the depression. The first servo motor is sleeved on the outside of the rotating column, and the lower center of the rotating table is sleeved on the outside of the first servo motor.

4. The automatic docking device for fire hydrants according to claim 3, characterized in that: The metal frame assembly includes a metal frame, a slide rail, a slider and a slide rail connecting platform. The metal frame is arranged in the middle position of the upper side of the rotating table, the slide rail is arranged inside the metal frame, there are several sliders, and they are all "T-shaped" structures. The bottom end of each slider passes through the slide rail, and the top end is located on the upper side of the slide rail. The slide rail connecting platform is connected to the end of the slide rail close to the center of the lifting platform, and the slide rail connecting platform is also connected to the first electric push rod.

5. The automatic docking device for fire hydrants according to claim 4, characterized in that: The first electric push rod includes a first base, a first cylinder body and a first push rod. One end of the first base is connected to the metal frame, and the other end is connected to the first cylinder body. The first push rod is arranged inside the first cylinder body, and one end of the first push rod outside the first cylinder body is connected to the slide rail connecting platform.

6. The automatic docking device for fire hydrants according to claim 5, characterized in that: The second electric push rod disengagement device includes a second base, a second push rod, a baffle, a driven rod, a connecting rod and a disengagement pin. The second base is fixed above the slide rail connecting platform, the second push rod is located inside the second base, the baffle is arranged on the second base close to one end of the second push rod, the middle position of the driven rod is fixedly connected to one end of the second push rod away from the second base, there are two connecting rods, one end of each connecting rod is respectively connected to the two ends of the driven rod, and the other ends of the two connecting rods are respectively connected to the two ends of the disengagement pin, and the upper side of the middle position of the disengagement pin passes through the supporting device and the docking assembly.

7. The automatic docking device for fire hydrants according to claim 6, characterized in that: The water hose box assembly includes a water hose box body, a fixing seat and a water hose box cover. The water hose box body is arranged on one side of the metal frame assembly on the upper side of the rotating platform. One end of the water hose box fixing seat is connected to the water hose box body, and the other end is sleeved on the outside of the slide rail close to one end of the first base. The water hose box cover is connected to the side of the water hose box body away from the metal frame.

8. The automatic docking device for fire hydrants according to claim 7, characterized in that: The angle adjustment assembly includes a motor box, a second servo motor, a drive disk and an adjustment plate. The bottom of the motor box is fixed on the side above the slide rail connecting platform close to the first electric push rod. The second servo motor is arranged inside the motor box. One side of the drive disk passes through the motor box and is connected to the second servo motor. There are three adjustment plates, and one end of the three adjustment plates is fixed on the other side of the drive disk in a centrally symmetrical manner. The other ends of the three adjustment plates are all connected to the docking assembly.

9. The automatic docking device for fire hydrants according to claim 8, characterized in that: The docking assembly includes a connecting disk, a connecting cylinder, a fixed cylinder, a third drive motor, a valve drive disk assembly and a docking device. The connecting disk is fixed at one end of the connecting cylinder, and the connecting disk is also connected to the adjusting plate. The other end of the connecting cylinder is connected to the fixed cylinder. The third drive motor is arranged at one end inside the fixed cylinder. The valve drive disk assembly passes through the fixed cylinder and is connected to the third drive motor. The docking device is fixed to the other end of the fixed cylinder by a water hose sleeve.

10. The automatic docking device for fire hydrants according to claim 9, characterized in that: The valve drive disc assembly includes a valve drive disc body, a drive disc fixing cylinder and a drive claw. One side of the drive disc body is connected to the third drive motor. There are three drive disc fixing cylinders, which are centrally symmetrically arranged on the other side of the drive disc body. A spring is arranged inside each drive disc fixing cylinder. There are also three drive claws, each of which is connected to a drive disc fixing cylinder.

Images