Double bolt, electric drive train water filling equipment pipe winding mechanism

Abstract

This invention discloses a hose reel mechanism for a double-bolt, electrically driven train water supply device, comprising a hose connector and two sets of water supply modules, each set of water supply modules including a reel assembly; for any set of water supply modules: the reel assembly includes two discs, a reel shaft, and a gear disc; the two discs and the gear disc rotate synchronously with the reel shaft, and the water supply pipe is wound between the two discs; the gear disc is used for transmission connection with an external electrically driven device via a transmission chain; the hose connector is located between the two reel assemblies; the hose connector has two inlets and two outlets; and the hose connector includes a pipe body and two mandrel tubes; and both inlets can be connected to an external water supply device; the reel shafts of both sets of water supply modules are hollow structures, and each reel shaft has a connecting pipe opening, so that the inner end of the water supply pipe can be connected to the inner cavity of the corresponding reel shaft; the mandrel tubes are connected to the inner cavity of the reel shaft and rotate synchronously.

Description

Technical Field

[0001] This invention relates to the field of train water supply components, and in particular to a hose reel mechanism for a double-bolt, electrically driven train water supply device. Background Technology

[0002] Currently, water supply stations on domestic trains typically have over twenty water supply wells or branches of the main pipeline between tracks, equipped with water hydrants (or groups of water hydrants). To accommodate the relative stopping positions of passing trains, the water hydrants are connected directly (or indirectly through water supply equipment) to water supply hoses to the nearest train water tank inlet. Currently, the water supply to the carriages after a train enters a station or stops requires manual operation. Water supply workers must manually insert the external water source connector into the train's own water supply interface, then open the water supply valve to begin supplying water. Once the train's water tank overflows, the water supply valve is manually closed, and the water supply hose is removed.

[0003] However, during peak train operating hours, a train is usually only equipped with about four water supply workers. On average, one water supply worker is responsible for water supply to multiple carriages or multiple trains. When the train stops at a station, the time is short, and the staff have to manually pull out the water pipes and connect them to the train's own water supply interface. After water supply, the water pipes are manually pulled back. Therefore, there is often not enough time to supply sufficient water to the next train.

[0004] In existing technologies, there is a type of solution that uses an electrically driven hose reel mechanism to automatically extend and retract the water pipe. While this type of equipment can reduce the workload of workers, it is often quite large. Given the limited spacing between two rows of rails, configuring a large-width (perpendicular to the rail direction) automatic water filling device would obstruct workers' access and reduce work efficiency. Furthermore, it is difficult to configure such equipment in stations with small track spacing. In addition, existing water filling devices are typically single-plug structures, meaning they can only accommodate one water pipe internally. Each water pipe requires a separate water filling device, resulting in an overall space occupation. Summary of the Invention

[0005] To address the problems mentioned in the background section, the present invention provides the following technical solution:

[0006] A hose reel mechanism for a double-bolt, electrically driven train water filling device includes a pipe joint and two sets of water filling modules, each set of water filling modules including a reel assembly;

[0007] For any water filling module:

[0008] The reel assembly includes two disks, a reel shaft, and a gear disk;

[0009] The two discs are the same size, and the gear disc is located at the outer end of one of the discs. Both discs and the gear disc rotate synchronously with the reel shaft. The water supply pipe of the train water supply equipment is wound between the two discs.

[0010] The gear disk is used to drive the external electric drive device through a transmission chain, so that when the external electric drive device drives the gear disk to rotate through the transmission chain, the entire reel assembly can be rotated, thereby realizing the automatic return of the water supply pipe.

[0011] The pipe fitting is located between the two reel assemblies, with each gear disc located on the outside of the corresponding reel assembly;

[0012] The pipe fitting has two inlets and two outlets;

[0013] Furthermore, the pipe fitting includes a pipe body and two mandrel tubes;

[0014] The middle part of the pipe body is divided into two parts by a partition, and the two water inlets are located at both ends of the pipe body respectively.

[0015] One end of each of the two mandrel tubes can be rotatably inserted into the tube body. The two mandrel tubes face opposite directions and are both perpendicular to the tube body. The two outlets are located at the ends of the two mandrel tubes that are away from the tube body.

[0016] Both mandrel tubes have multiple through holes in the part of the tube body, so that one water inlet is connected to one water outlet and the other water inlet is connected to the other water outlet.

[0017] Furthermore, both water inlets can be connected to external water supply equipment;

[0018] Both water supply modules have hollow reel shafts, and each reel shaft has a connecting pipe opening, allowing the inner end of the water supply pipe to communicate with the inner cavity of the corresponding reel shaft.

[0019] One mandrel tube is connected to the inner cavity of one reel shaft and rotates synchronously, while the other mandrel tube is connected to the inner cavity of another reel shaft and rotates synchronously.

[0020] In some embodiments, the system further includes a first bracket, a second bracket, and a third bracket, and the hose reel mechanism is integrally installed inside the outer casing of the train water supply equipment;

[0021] The bottom ends of the first bracket, the second bracket, and the third bracket are all fixedly connected to the inner wall of the bottom of the outer casing;

[0022] The inner sides of the first bracket and the second bracket are respectively fixedly installed with electrical control boxes for two water filling modules, and the outer ends of the reel shafts of the two water filling mechanisms are respectively rolled and supported on the top of the first bracket and the second bracket.

[0023] The top of the third bracket is fixedly connected to the bottom outer wall of the pipe joint.

[0024] In some embodiments, the disks are hollow, and each disk is connected to the reel shaft via a plurality of inner skeletons.

[0025] In some embodiments, for any water supply module, an air supply channel is formed inside the water supply pipe, the reel shaft and the pipe inlet, and an air supply interface communicating with the air supply channel is opened in the middle of the outer end of each reel shaft.

[0026] Both air supply interfaces can be connected to external air supply equipment, allowing external air to be delivered to the outer end connector of the water supply pipe through the air supply channel, so that the outer end connector of the water supply pipe can be pneumatically locked.

[0027] Compared with the prior art, the beneficial effects of the present invention are:

[0028] The present invention provides a double-bolt, electrically driven hose reeling mechanism for train water filling equipment, comprising two sets of water filling modules. Workers can simultaneously or separately remove both sets of water filling pipes as needed, reducing the number of water filling devices required at stations. Furthermore, the use of electric drive for automatic hose reeling makes operation more convenient and labor-saving for workers, resulting in lower labor intensity and higher water filling efficiency compared to mechanical hose reeling mechanisms. The two sets of water filling modules are connected as a whole through a bracket and pipe joints, resulting in a very compact overall structure. While maintaining the double-bolt structure, this effectively reduces the overall width of the train water filling equipment, providing more space for workers and allowing for deployment in train stations with limited space. Attached Figure Description

[0029] Figure 1 A schematic diagram of the hose reel mechanism for a double-bolt, electrically driven train water filling device provided by the present invention;

[0030] Figure 2 This is a schematic diagram from another perspective of the hose reel mechanism for the double-bolt, electrically driven train water filling device provided by the present invention;

[0031] Figure 3 This is a schematic diagram illustrating the principle of a pipe fitting.

[0032] Figure 4 This is a schematic diagram of the gas supply channel.

[0033] Figure 5 This is a schematic diagram showing the appearance of the hose reel mechanism for the double-bolt, electrically driven train water filling device provided by the present invention when it is installed inside the housing.

[0034] Explanation of reference numerals in the attached drawings: 1. Outer shell; 2. Reel assembly; 3. Air supply channel; 4. Air supply interface; 5. First bracket; 6. Second bracket; 7. Third bracket; 8. Pipe connector; 9. Protective cover; 21. Disc; 22. Reel shaft; 23. Frame; 24. Connecting pipe; 25. Gear disc; 81. Water inlet; 82. Water outlet; 83. Pipe body; 84. Mandrel tube; 85. Through hole; 86. Partition. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the following description, in conjunction with the accompanying drawings and specific embodiments, further explains how this invention is implemented.

[0036] Reference Figures 1-3 As shown, the present invention provides a hose reel mechanism for a double-bolt, electrically driven train water filling device, including a pipe joint 8 and two sets of water filling modules, each set of water filling modules including a reel assembly 2.

[0037] Furthermore, for any water filling module: the reel assembly 2 includes two discs 21, a reel shaft 22, and a gear disc 25; the two discs 21 are the same size, and the gear disc 25 is located at the outer end of one of the discs 21. Both discs 21 and the gear disc 25 rotate synchronously with the reel shaft 22. The water filling pipe of the train water filling equipment (not shown in the figure) is wound between the two discs 21; the gear disc 25 is used to drive the external electric drive equipment through the transmission chain, so that when the external electric drive equipment drives the gear disc 25 to rotate through the transmission chain, it can further rotate the entire reel assembly 2, thereby realizing the automatic return of the water filling pipe.

[0038] The pipe connector 8 is located between two reel assemblies 2, with each gear disc 25 located on the outside of its corresponding reel assembly 2. The pipe connector 8 has two inlets 81 and two outlets 82. Furthermore, the pipe connector 8 includes a pipe body 83 and two mandrel tubes 84. A partition 86 divides the inner cavity of the pipe body 83 into two parts at its center. The two inlets 81 are located at opposite ends of the pipe body 83. One end of each mandrel tube 84 is rotatably inserted into the pipe body 83. The two mandrel tubes 84 face opposite directions and are perpendicular to the pipe body 83. The two outlets 82 are located at the ends of the two mandrel tubes 84 furthest from the pipe body 83. Multiple through holes 85 are provided inside the pipe body 83, so that one water inlet 81 is connected to one water outlet 82, and another water inlet 81 is connected to another water outlet 82; and both water inlets 81 can be connected to external water supply equipment; the reel shafts 22 of both water filling modules are hollow structures, and both reel shafts 22 are provided with connecting pipe ports 24, so that the inner end of the water filling pipe can be connected to the inner cavity of the corresponding reel shaft 22; one mandrel tube 84 is connected to the inner cavity of one reel shaft 22 and rotates synchronously, and the other mandrel tube 84 is connected to the inner cavity of the other reel shaft 22 and rotates synchronously.

[0039] In one specific embodiment, a sealing ring or other structure can be provided between the tube body 83 and the mandrel tube 84 to prevent water leakage at the joint.

[0040] Preferably, the hose reel mechanism for the double-bolt, electrically driven train water filling equipment further includes a first bracket 5, a second bracket 6, and a third bracket 7, which are integrally installed inside the outer casing 1 of the train water filling equipment; the bottom ends of the first bracket 5, the second bracket 6, and the third bracket 7 are all fixedly connected to the inner wall of the bottom of the outer casing 1; two sets of electrical control boxes for water filling modules are fixedly installed on the inner sides of the first bracket 5 and the second bracket 6 respectively (the electrical control boxes are not shown in the figure, but it can be understood that the electrical control boxes are located in...). Figure 1 The hollow area inside the first support 5 and the second support 6 is located in the middle. The outer ends of the reel shafts 22 of the two water filling mechanisms are respectively rolled and supported on the top of the first support 5 and the second support 6. The top of the third support 7 is fixedly connected to the bottom outer wall of the pipe joint 8.

[0041] Preferably, the discs 21 are all hollow, and each disc 21 is connected to the reel shaft 22 through several inner skeletons 23, thereby reducing the overall weight of the equipment and making it easier for the operator to operate.

[0042] Preferably, refer to Figure 4As shown, for any water filling module, an air supply channel 3 is formed inside the water filling pipe, the reel shaft 22 and the connecting port 24. An air supply interface 4 connected to the air supply channel 3 is opened in the middle of the outer end of each reel shaft 22. Both air supply interfaces 4 can be connected to external air supply equipment, so that external air can be sent to the outer end connector of the water filling pipe through the air supply channel 3, so that the outer end connector of the water filling pipe can be pneumatically locked.

[0043] Additionally, refer to Figure 5 As shown, in one specific embodiment, the hose reel mechanism of the double-bolt, electrically driven train water filling equipment can be installed inside the outer casing 1 of the train water filling equipment. The outer casing 1 is rectangular in shape, and each of the left and right sides of the outer casing 1 has an outlet. When the water filling pipes of the two sets of water filling modules are completely housed inside the outer casing 1, the outer ends of the water filling pipes of the two sets of water filling modules are located at the two outlets respectively, and each outlet is provided with an openable and closable protective cover 9, so that the staff can take out the corresponding water filling pipes from the outlets on both sides simultaneously or at different times as needed to add water. Two water inlets are also provided at the bottom of the outer casing 1, and each of the two water inlets is provided with a water inlet valve. The external water supply pipe can pass through the water inlet and connect to the water inlet end of the water inlet valve. The two water inlets 81 of the pipe joint 8 can be connected to the water outlet ends of the two water inlet valves through the pipes inside the outer casing 1, thereby realizing the supply of water to the two sets of water filling modules.

[0044] In this specific embodiment, two air inlets are also provided next to the water inlet at the bottom of the outer casing 1 of the train water supply equipment. Two corresponding air valves can be installed inside the outer casing 1, and an external air supply device can be connected to the air inlet of the corresponding air valve through the air inlet. An existing rotary joint can be additionally installed at the air supply interface 3, allowing its inner end to rotate synchronously with the reel shaft 22, and its outer end to connect to the air outlet of the corresponding air valve through the air passage inside the outer casing 1, thereby achieving air supply. It is understood that the present invention provides… Figure 3 and Figure 4 This is only to demonstrate the internal workings of the tube structure and does not represent the actual dimensions or proportions.

[0045] Overall, for any water filling module, the two discs 21, gear disc 25, and corresponding spindle tube 84 of the reel assembly 2 can all rotate coaxially based on the same reel shaft 22; the two water filling mechanisms are connected as a whole by the bracket 6 and pipe joint 8; at the same time, the reel shaft 22 also integrates an air supply channel 3. Its overall structure is very compact, and while ensuring the double-bolt structure, it can effectively reduce the overall width of the train water filling equipment, thereby providing more space for staff and enabling it to be installed in train stations with limited space.

[0046] In one specific embodiment, the electrical control box can be equipped with a DC24V power supply and a PCB circuit board. The microprocessor on the PCB circuit board can be a C8051F340, a single-chip microcomputer with a main frequency of up to 48MHz, 4K RAM, 64K flash, and a TQFP48 package, offering stable performance and high cost-effectiveness. Two sets of servo motors can be fixedly installed on the inner wall of the outer casing 1, serving as the power assemblies for the two water filling modules. Each servo motor drives the corresponding gear disk 25 via a transmission chain, thereby driving the entire reel assembly 2 to achieve automatic return of the water filling pipe, making operation more convenient and labor-saving for workers. The outer casing 1 can also be equipped with control buttons for controlling the two water filling devices. The electrical control box of each water filling device is electrically connected to the corresponding control buttons, servo motors, water inlet valves, and air valves. Furthermore, the electrical control box of the water filling module can also have a built-in wireless module for wireless connection with external remote control devices.

[0047] When the water supply pipe is needed, it can be manually pulled out by the operator and connected to the train's water inlet via the water inlet connector. The operator can then operate it via the control button on the outer casing 1 or remotely via a remote control device. The operator controls the air valve to open and the external air supply device to automatically supply air to achieve pneumatic locking. The operator also controls the water supply valve to open and add water to the train. After the water is full, the operator controls the water supply valve to close it in time and then controls the water supply pipe to automatically retract.

[0048] In addition, during the water supply operation, if the water supply connector at the outer end of the water supply pipe is still connected to the train's water inlet, the electrical control box of the water supply module can detect the movement of the car body by the displacement of the water supply pipe (the displacement of the water supply pipe can cause the entire mechanical structure of the reel assembly 2 to rotate). This allows the external air supply equipment to automatically discharge gas, release the pneumatic lock, and cause the water supply connector to pop out from the train's water inlet under the reaction force of water pressure, thus achieving a safety control function and protecting the safety of the equipment and operators.

[0049] In summary, the double-bolt, electrically driven hose reeling mechanism for train water filling equipment provided by this invention comprises two sets of water filling modules. Workers can simultaneously or at different times remove both sets of water filling pipes as needed, reducing the number of water filling devices required at stations. Furthermore, the use of electric drive for automatic hose reeling makes operation more convenient and labor-saving for workers, resulting in lower labor intensity and higher water filling efficiency compared to mechanical hose reeling mechanisms. The two sets of water filling modules are connected as a whole through a bracket and pipe joints, resulting in a very compact overall structure. While maintaining the double-bolt structure, this effectively reduces the overall width of the train water filling equipment, providing workers with more space and allowing it to be installed in train stations with limited space.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A hose reel mechanism for a double-bolt, electrically driven train water filling device, characterized in that, Includes pipe fittings (8) and two sets of water filling modules, each of which includes a reel assembly (2); For any water filling module: The reel assembly (2) includes two disks (21), a reel shaft (22), and a gear disk (25); The two discs (21) are the same size, and the gear disc (25) is located at the outer end of one of the discs (21). Both discs (21) and the gear disc (25) rotate synchronously with the reel shaft (22). The water supply pipe of the train water supply equipment is wound between the two discs (21). The gear disk (25) is used to connect with an external electric drive device via a transmission chain, so that when the external electric drive device drives the gear disk (25) to rotate via the transmission chain, the entire reel assembly (2) can be rotated, thereby realizing the automatic return of the water pipe; The pipe fitting (8) is located between the two reel assemblies (2), and each gear disc (25) is located on the outside of the corresponding reel assembly (2); The pipe fitting (8) has two inlets (81) and outlets (82). Furthermore, the pipe fitting (8) includes a pipe body (83) and two mandrel tubes (84). The middle part of the pipe body (83) is divided into two parts by a partition (86), and the two water inlets (81) are located at the two ends of the pipe body (83); One end of each of the two mandrel tubes (84) is rotatably inserted into the tube body (83). The two mandrel tubes (84) face opposite directions and are both perpendicular to the tube body (83). The two outlets (82) are located at the ends of the two mandrel tubes (84) away from the tube body (83). Both mandrel tubes (84) have multiple through holes (85) in the part inside the tube body (83), so that one water inlet (81) is connected to one water outlet (82), and the other water inlet (81) is connected to the other water outlet (82); Furthermore, both water inlets (81) can be connected to external water supply equipment; Both water supply modules have hollow reel shafts (22), and each reel shaft (22) has a connecting pipe port (24) so ​​that the inner end of the water supply pipe can communicate with the inner cavity of the corresponding reel shaft (22). One of the mandrel tubes (84) is connected to the inner cavity of a reel shaft (22) and rotates synchronously; the other mandrel tube (84) is connected to the inner cavity of another reel shaft (22) and rotates synchronously. For any water supply module, the water supply pipe, the reel shaft (22) and the pipe opening (24) are all formed with an air supply channel (3), and each reel shaft (22) has an air supply interface (4) connected to the air supply channel (3) in the middle of its outer end. Both gas supply interfaces (4) can be connected to external gas supply equipment, so that external gas can be sent to the outer end connector of the water supply pipe through the gas supply channel (3) so that the outer end connector of the water supply pipe can be pneumatically locked. When the train starts moving during the water filling operation, if the outer end of the water filling pipe is still connected to the train's water inlet, the electrical control box of the water filling module can detect the movement of the car body through the displacement of the water filling pipe, thereby controlling the external air supply equipment to automatically discharge gas, release the pneumatic lock, and cause the water filling connector to pop out from the train's water inlet under the reaction force of water pressure.

2. The hose reel mechanism for a double-bolt, electrically driven train water filling device according to claim 1, characterized in that, It also includes a first bracket (5), a second bracket (6) and a third bracket (7), and the entire hose reel mechanism is installed inside the outer shell (1) of the train water filling equipment; The bottom ends of the first bracket (5), the second bracket (6) and the third bracket (7) are all fixedly connected to the inner wall of the bottom of the outer shell (1); The inner sides of the first bracket (5) and the second bracket (6) are respectively fixedly installed with two sets of electrical control boxes for water filling modules, and the outer ends of the reel shafts (22) of the two sets of water filling modules are respectively rolled and supported on the top of the first bracket (5) and the second bracket (6); The top of the third bracket (7) is fixedly connected to the bottom outer wall of the pipe joint (8).

3. The hose reel mechanism for a double-bolt, electrically driven train water filling device according to claim 1, characterized in that, The disks (21) are all hollow, and each disk (21) is connected to the reel shaft (22) through several inner skeletons (23).

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