An intelligent centralized grounding box for railway traction depot

Abstract

The present invention belongs to the field of grounding technology, and discloses an intelligent centralized grounding box for a railway traction station, comprising a centralized grounding box body, and also comprising: a grounding assembly, wherein the grounding assembly is fixedly mounted in the centralized grounding box body. The present invention drives the negative lead pin rod to rotate through a transmission assembly to reel in the nylon rope and the connecting cable at the lower end, so that the nylon rope and the connecting cable at the lower end are wound around the outside of the negative lead pin rod, so that multiple devices are connected to the spare grounding busbar in the grounding assembly, and one of the devices is connected to the main grounding busbar through the transmission assembly, so that the grounding of one of the devices can be detected with the help of a detection device, and as the transmission assembly moves, each device is connected to the main grounding busbar in the grounding assembly in turn, and then the grounding condition of each device can be independently detected, thereby avoiding manual multiple disassembly and assembly of the connection between multiple devices and the grounding assembly, improving the efficiency of equipment grounding detection, and improving the safety of detection.

Description

Technical Field

[0001] The invention belongs to the technical field of grounding, and in particular is an intelligent centralized grounding box for a railway traction station. Background Art

[0002] As the core facility of the electrified railway power supply system, the railway traction depot is responsible for converting the high-voltage electricity of the public grid into traction power suitable for electric locomotives or EMUs, and providing a continuous and stable power supply for train operation through the contact network (or third rail). Its centralized grounding box connects the grounding terminals of equipment such as transformers, circuit breakers, and lightning arresters in a centralized manner to build a low-impedance grounding network, effectively eliminating safety hazards caused by potential differences. To ensure system reliability, it is necessary to regularly test the resistance and conductivity of each branch grounding wire to prevent the loss of overall protection function due to single-point failure. When conducting independent branch testing, in order to avoid interference with the parallel grounding path on the measurement results, the tested branch must be disconnected from the centralized grounding box or other parallel equipment. However, in existing testing methods, since the grounding lines are mostly connected by bolts and there are a large number of centralized grounding devices, the process of manually disassembling other branches is cumbersome and inefficient. Therefore, an intelligent centralized grounding box for railway traction depots is proposed. Summary of the Invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides an intelligent centralized grounding box for a railway traction depot, which solves the problem that when the existing equipment is centralized grounded and each branch is independently tested, the grounding lines are mostly connected by bolts and there are a large number of centralized grounding devices. The process of manually disassembling other branches is cumbersome and inefficient.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: an intelligent centralized grounding box for a railway traction station, comprising a centralized grounding box body, and further comprising:

[0005] A grounding assembly, the grounding assembly being fixedly mounted in the main body of the centralized grounding box;

[0006] A transmission assembly, the transmission assembly being arranged on the grounding assembly, and a control device for controlling the rotation of the transmission assembly being arranged on the main body of the centralized grounding box;

[0007] A connecting component, the connecting component being arranged on the grounding component and the transmission component;

[0008] The connecting assembly includes a docking frame, the top and bottom of which are connected to connecting cables, the ends of the two connecting cables are respectively connected to a second docking member and a first docking member via nylon ropes, and the second docking member and the first docking member are respectively fixed to the main needle rod and the negative needle rod;

[0009] A grounding cable is fixedly mounted on the docking frame, and the grounding cable is connected to the railway traction equipment;

[0010] Initially, the grounding cable is connected to the docking frame, and the connecting cable and nylon rope on the top of the docking frame are wrapped around the outside of the main lead pin rod, so that the grounding cable and the main lead pin rod are conductive, and the grounding cable is connected to the grounding assembly through the docking frame, the connecting cable, and the main lead pin rod, while the connecting cable at the bottom is detached and wrapped around the outside of the negative lead pin rod, so that the connecting cable at the bottom is disconnected from the negative lead pin rod.

[0011] Preferably, the grounding assembly includes a first connecting frame and a second connecting frame fixedly mounted in the main body of the centralized grounding box, the first connecting frame is fixedly mounted with a main grounding busbar, the second connecting frame is fixedly mounted with a spare grounding busbar, and the main grounding busbar is fixedly mounted with a detection pin;

[0012] The main lead pin rod is sleeved on the main grounding busbar, and the negative lead pin rod is sleeved on the spare grounding busbar;

[0013] The main grounding busbar and the backup grounding busbar are two independent grounding circuits.

[0014] Preferably, the transmission assembly includes a first support frame fixedly mounted between the main grounding busbar and the backup grounding busbar, a guide rod is fixedly mounted on the first support frame, and the docking frame slides vertically on the outside of the guide rod via a slide;

[0015] The end of the grounding cable is located in the main body of the centralized grounding box and is spiral-shaped.

[0016] Preferably, a second support frame is fixedly mounted on the side of the first support frame, and transmission rollers are provided at the four corners of the second support frame. A transmission belt is sleeved on the outside of the transmission rollers, and a first tooth area is provided at the bottom of the transmission belt, and a second tooth area is provided at the top of the transmission belt;

[0017] The two ends of the transmission belt are respectively provided with a first idle area and a second idle area.

[0018] Preferably, a transmission wheel is fixedly mounted on one end of the negative needle guide rod, and an outer annular array of teeth is provided on the transmission wheel, and one end of the teeth does not contact the transmission wheel.

[0019] Preferably, a driving motor for driving the transmission roller and the transmission belt to rotate is provided on the outside of the second support frame;

[0020] Initially, the grounding cables of multiple devices are connected to the main grounding busbar through the main pin rod. The transmission belt drives the transmission wheel and the main pin rod to rotate through the first tooth area, so that the grounding cables of multiple devices are disconnected from the main grounding busbar in turn and connected to the spare grounding busbar. The grounding cable of the last device is located in the second idle area, so that the last grounding cable remains connected to the main grounding busbar.

[0021] Preferably, when the first tooth area moves and engages with the last transmission wheel, the first tooth area drives the last grounding cable to disconnect from the main grounding busbar, and the first idle area is located at the first transmission wheel, and the first grounding cable is connected to the main grounding busbar.

[0022] Preferably, a first transmission frame is fixedly mounted on the main grounding busbar, a second spiral groove is formed on the outside of the main lead pin rod, the main lead pin rod passes through the first transmission frame, and a first slider located in the second spiral groove is provided in the first transmission frame;

[0023] A reset elastic member is provided between one end of the main needle guide rod and the first transmission frame;

[0024] A second transmission frame is fixedly mounted on the standby grounding busbar, a first spiral groove is formed on the outside of the negative lead pin rod, the negative lead pin rod passes through the second transmission frame, and a second slider located in the first spiral groove is provided in the second transmission frame.

[0025] Preferably, the sum of the lengths of the two connecting cables and the docking frame is greater than the distance between the main needle guide rod and the negative needle guide rod;

[0026] The negative needle-leading rod reels the nylon rope at the lower end and the connecting cable. When the connecting cable at the lower end contacts the negative needle-leading rod, the connecting cable at the upper end does not separate from the outside of the main needle-leading rod.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The present invention drives the negative lead pin rod to rotate through the transmission assembly to reel in the nylon rope and the connecting cable at the lower end, so that the nylon rope and the connecting cable at the lower end are wound around the outside of the negative lead pin rod, so that multiple devices are connected to the spare grounding busbar in the grounding assembly, and the connecting cable and the nylon rope at the upper end are separated from the outside of the main lead pin rod by the pulling force of the lower end, so as to achieve disconnection from the main lead pin rod, and one of the devices is connected to the main grounding busbar through the transmission assembly, so that the grounding of one of the devices can be detected with the help of the detection equipment, and as the transmission assembly moves, each device is connected to the main grounding busbar in the grounding assembly in turn, and then the grounding condition of each device can be independently detected, thereby avoiding manual disassembly and assembly of the connections between multiple devices and the grounding assembly for multiple times, thereby improving the efficiency of equipment grounding detection and improving the safety of detection;

[0029] The present invention connects the grounding of one of the devices to the main grounding busbar through a transmission assembly, so that the grounding of one of the devices can be detected by means of a detection needle using a detection device, while the other devices are connected to the standby grounding busbar. During the grounding detection of one of the devices, the other devices are connected to the standby grounding busbar, thereby avoiding safety hazards caused by the equipment being left ungrounded during the grounding detection process, thereby ensuring the safety of the detection personnel.

[0030] The present invention drives the transmission wheel and the negative needle introduction rod to rotate through the first tooth area. During the rotation of the negative needle introduction rod, the nylon rope and the connecting cable at the lower end are wound. At the same time, the first spiral groove cooperates with the second slider on the second transmission frame to make the transmission wheel and the negative needle introduction rod move toward the transmission belt. During this process, the nylon rope and the connecting cable at the lower end are evenly wound around the outside of the negative needle introduction rod. The rotation of the negative needle introduction rod and the main needle introduction rod can make the connecting cable evenly wound around the outside, thereby ensuring the stability of the connection between the connecting cable and the main needle introduction rod and the negative needle introduction rod, and then ensuring the grounding effect and avoiding the phenomenon of poor contact.

[0031] The present invention uses the negative lead-in needle rod to rotate to reel in the connecting cable and the nylon rope at the lower end. When the connecting cable contacts the negative lead-in needle rod and is wound around it once, the connecting cable at the upper end does not separate from the outside of the main lead-in needle rod. As the negative lead-in needle rod continues to reel in, the connecting cable can be completely separated from the outside of the main lead-in needle rod. In this process, a gap in the equipment grounding circuit is avoided, ensuring that the railway equipment is always in a grounded state, and avoiding safety hazards caused by power failure when the railway equipment grounding is detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the overall appearance of the present invention;

[0033] Figure 2 This is a schematic diagram of the appearance and structure of the grounding component, transmission component and connection component of the present invention;

[0034] Figure 3 This is a schematic diagram of the cross-sectional structure of the grounding assembly, transmission assembly and connection assembly of the present invention;

[0035] Figure 4 This is a schematic diagram of the disassembled structure of the grounding assembly, transmission assembly and connection assembly of the present invention;

[0036] Figure 5 This is a schematic diagram of the structure of the transmission belt and transmission wheel of the present invention;

[0037] Figure 6 For the present invention Figure 5 A in the middle is an enlarged structural diagram;

[0038] Figure 7This is a schematic diagram of the structure of the connection cable, the main lead-in needle rod, and the negative lead-in needle rod in the present invention;

[0039] Figure 8 This is a schematic diagram of the disassembled structure of the connection cable with the main lead pin rod and the negative lead pin rod of the present invention.

[0040] Figure: 1. Centralized grounding box body; 2. Control equipment; 3. Grounding assembly; 31. First connecting frame; 32. Main grounding busbar; 33. Second connecting frame; 34. Spare grounding busbar; 35. Detection pin; 4. Transmission assembly; 41. First support frame; 42. Guide rod; 43. Insulating slide; 44. Second support frame; 45. First idle area; 46. Transmission belt; 47. First tooth area; 48. Second tooth area; 49. , second idle area; 40, transmission roller; 5, connecting assembly; 51, main guide needle rod; 52, docking frame; 53, connecting cable; 54, nylon rope; 55, negative guide needle rod; 56, grounding cable; 57, first docking piece; 58, second docking piece; 511, first transmission frame; 512, reset elastic member; 513, first spiral groove; 514, second transmission frame; 515, transmission wheel; 516, teeth; 517, second spiral groove. DETAILED DESCRIPTION

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0042] like Figures 1 to 8 As shown, the present invention provides an intelligent centralized grounding box for a railway traction station, comprising a centralized grounding box body 1, and further comprising:

[0043] The grounding component 3 is fixedly mounted in the centralized grounding box body 1;

[0044] The transmission assembly 4 is provided on the grounding assembly 3, and the centralized grounding box body 1 is provided with a control device 2 for controlling the rotation of the transmission assembly 4;

[0045] The connecting component 5 is provided on the grounding component 3 and the transmission component 4;

[0046] The connecting assembly 5 includes a docking frame 52, the top and bottom of which are connected to connecting cables 53. The ends of the two connecting cables 53 are connected to a second docking member 58 and a first docking member 57 respectively through nylon ropes 54. The second docking member 58 and the first docking member 57 are respectively fixed to the main needle rod 51 and the negative needle rod 55.

[0047] A grounding cable 56 is fixedly mounted on the docking frame 52 and is connected to the railway traction equipment;

[0048] The initial grounding cable 56 is connected to the docking frame 52, and the connecting cable 53 and the nylon rope 54 at the top of the docking frame 52 are wrapped around the outside of the main lead pin rod 51, so that the grounding cable 56 and the main lead pin rod 51 are conductive, and the grounding cable 56 is connected to the grounding component 3 through the docking frame 52, the connecting cable 53, and the main lead pin rod 51, while the bottom connecting cable 53 is detached from the outside of the negative lead pin rod 55, so that the bottom connecting cable 53 and the negative lead pin rod 55 are disconnected.

[0049] The grounding wires of multiple devices in the railway traction station are connected to the grounding cable 56, and the grounding cable 56 is connected to the docking frame 52. The connecting cable 53 and the nylon rope 54 at the top of the initial docking frame 52 are wound around the outside of the main lead pin rod 51, so that the grounding cable 56 is connected to the main grounding busbar 32 in the grounding component 3 through the docking frame 52, the connecting cable 53, the main lead pin rod 51 and the grounding assembly 3. Multiple devices can be connected to the grounding assembly 3 through the main lead pin rod 51 to achieve centralized grounding. When it is necessary to independently detect the grounding conductivity or resistance of the equipment, the negative lead pin rod 55 is driven by the transmission assembly 4 to rotate and reel in the nylon rope 54 and the connecting cable 53 at the lower end, so that the nylon rope 54 and the connecting cable 53 at the lower end are wound around the negative lead pin rod The outside of 55 makes multiple devices connected to the spare grounding busbar 34 in the grounding component 3, and the connecting cable 53 and the nylon rope 54 at the upper end are separated from the outside of the main lead pin rod 51 by the tension of the lower end, so as to achieve the disconnection from the main lead pin rod 51, and one of the devices is connected to the main grounding busbar 32 through the transmission component 4, and the grounding of one of the devices can be detected with the help of the detection equipment. As the transmission component 4 moves, each device is connected to the main grounding busbar 32 in the grounding component 3 in turn, and then the grounding status of each device can be independently detected. In this process, manual disassembly and assembly of multiple devices and the connection of the grounding component 3 is avoided, thereby improving the efficiency of equipment grounding detection and ensuring the safety of detection.

[0050] like Figure 2-Figure 4 As shown, the grounding assembly 3 includes a first connecting frame 31 and a second connecting frame 33 fixedly mounted in the centralized grounding box body 1. The first connecting frame 31 is fixedly mounted with a main grounding busbar 32, the second connecting frame 33 is fixedly mounted with a backup grounding busbar 34, and the main grounding busbar 32 is fixedly mounted with a detection pin 35.

[0051] The main lead pin rod 51 is sleeved on the main ground busbar 32, and the negative lead pin rod 55 is sleeved on the spare ground busbar 34;

[0052] The main grounding busbar 32 and the backup grounding busbar 34 are two independent grounding circuits.

[0053] By using the transmission component 4 to connect the grounding of one of the devices to the main grounding busbar 32, the grounding of one of the devices can be detected by means of the detection equipment through the detection pin 35, while the other devices are connected to the spare grounding busbar 34. During the grounding detection process of one of the devices, the other devices are connected to the spare grounding busbar 34, avoiding the safety hazard caused by the equipment being in an ungrounded state without being shut down during the grounding detection process, thereby ensuring the safety of the detection personnel.

[0054] like Figure 3 、 Figure 4 and Figure 7 As shown, the transmission assembly 4 includes a first support frame 41 fixedly mounted between the main grounding busbar 32 and the backup grounding busbar 34. A guide rod 42 is fixedly mounted on the first support frame 41. The docking frame 52 slides vertically on the outside of the guide rod 42 through a slide 43.

[0055] The end of the grounding cable 56 is located inside the centralized grounding box body 1 and is spiral-shaped.

[0056] The transmission assembly 4 drives the negative guide needle rod 55 to rotate and reel in the nylon rope 54 and the connecting cable 53 at the lower end, thereby pulling the docking frame 52 downward, and moving downward along the outside of the guide rod 42 through the slide 43. The slide 43 improves the stability of the docking frame 52 moving downward along the guide rod 42, avoiding the deviation of the docking frame 52 during the movement, which causes multiple connecting cables 53 to contact each other. During the up and down movement of the docking frame 52, the spiral part of the grounding cable 56 stretches and contracts, avoiding the grounding cable 56 from being entangled.

[0057] like Figure 3-Figure 7 As shown, a second support frame 44 is fixedly mounted on the side of the first support frame 41. Transmission rollers 40 are provided at the four corners of the second support frame 44. A transmission belt 46 is sleeved on the outside of the transmission roller 40. A first toothed area 47 is provided at the bottom of the transmission belt 46, and a second toothed area 48 is provided at the top of the transmission belt 46.

[0058] The transmission belt 46 has a first idle area 45 and a second idle area 49 at both ends thereof.

[0059] A transmission wheel 515 is fixedly mounted on one end of the negative needle guide rod 55. A ring array of teeth 516 is provided on the outer surface of the transmission wheel 515. One end of the teeth 516 does not contact the transmission wheel 515.

[0060] A driving motor for driving the transmission roller 40 and the transmission belt 46 is provided on the outside of the second support frame 44;

[0061] Initially, the grounding cables 56 of multiple devices are connected to the main grounding busbar 32 via the main lead pin rod 51. The transmission belt 46 drives the transmission wheel 515 and the main lead pin rod 51 to rotate via the first tooth area 47, so that the grounding cables 56 of the multiple devices are disconnected from the main grounding busbar 32 and connected to the backup grounding busbar 34. The grounding cable 56 of the last device is located in the second idle area 49, so that the last grounding cable 56 remains connected to the main grounding busbar 32.

[0062] When the first tooth area 47 moves to engage with the last transmission wheel 515, the first tooth area 47 drives the last grounding cable 56 to disconnect from the main grounding busbar 32, and the first idle area 45 is located at the first transmission wheel 515, and the first grounding cable 56 is connected to the main grounding busbar 32.

[0063] When it is necessary to independently detect the grounding of multiple devices, the control device 2 controls the driving motor to drive the transmission roller 40 and the transmission belt 46 to rotate. Figure 5 Turn in the direction of the arrow and Figure 5 The rightmost end is the first transmission wheel 515. Initially, the grounding cables 56 of multiple devices are connected to the main grounding busbar 32. The first tooth region 47 drives the multiple transmission wheels 515 to rotate, disengaging them from the main grounding busbar 32 and connecting them to the backup grounding busbar 34. The last transmission wheel 515 is no longer engaged with the first tooth region 47. The second idle region 49 is located at the last transmission wheel 515. At this point, the last transmission wheel 515 is connected to the main grounding busbar 32, and the drive motor stops. This allows the grounding of the last device to be tested.

[0064] After the detection is completed, the control device 2 controls the drive motor to drive the transmission belt 46 to move again. At this time, the first idle area 45 is located at the first transmission wheel 515. The first transmission wheel 515 rotates in the opposite direction to connect the grounding cable 56 with the main grounding busbar 32, so that the grounding of the device connected to the first grounding cable 56 can be detected, and the first tooth area 47 engages with the last transmission wheel 515 to drive it to rotate, so that the grounding cable 56 is disconnected from the main grounding busbar 32. The transmission belt 46 moves in this way, passes through the first idle area 45 and overlaps with the transmission wheel 515 in turn, and the relative grounding cable 56 is connected to the main grounding busbar 32, and drives the first transmission wheel 515 to rotate in turn through the second tooth area 48, disconnecting it from the main grounding busbar 32.

[0065] Since one end of the tooth 516 does not contact the outside of the transmission wheel 515, the transmission wheel 515 is driven to rotate by engaging the first tooth area 47 with the tooth 516, and the nylon rope 54 and the connecting cable 53 at the lower end are wound around the outside of the negative needle guide rod 55. At this time, the transmission wheel 515 will not be able to rotate, and as the transmission belt 46 continues to move, the first tooth area 47 pushes the tooth 516 to lower the height of the tooth 516, ensuring the normal movement of the transmission belt 46 and the first tooth area 47.

[0066] like Figure 3 、 Figure 4 、 Figure 7 and Figure 8 As shown, a first transmission frame 511 is fixedly mounted on the main grounding busbar 32, a second spiral groove 517 is formed on the outside of the main lead pin rod 51, the main lead pin rod 51 passes through the first transmission frame 511, and a first slider located in the second spiral groove 517 is provided in the first transmission frame 511;

[0067] A reset elastic member 512 is provided between one end of the main needle guide rod 51 and the first transmission frame 511;

[0068] A second transmission frame 514 is fixedly mounted on the spare grounding busbar 34 . A first spiral groove 513 is formed on the outside of the negative lead pin rod 55 . The negative lead pin rod 55 passes through the second transmission frame 514 . A second slider located in the first spiral groove 513 is provided in the second transmission frame 514 .

[0069] The transmission wheel 515 and the negative needle introduction rod 55 are driven to rotate by the first tooth area 47. During the rotation of the negative needle introduction rod 55, the nylon rope 54 and the connecting cable 53 at the lower end are wound. At the same time, the first spiral groove 513 cooperates with the second slider on the second transmission frame 514 to make the transmission wheel 515 and the negative needle introduction rod 55 move toward the transmission belt 46. In this process, the nylon rope 54 and the connecting cable 53 at the lower end are evenly wound around the outside of the negative needle introduction rod 55. During the downward movement of the docking frame 52, the upper connecting cable 53 and the nylon rope 54 are separated from the outside of the main needle introduction rod 51, and the main needle introduction rod 51 cooperates with the first slider on the first transmission frame 511 through the second spiral groove 517 to make the main needle introduction rod 51 move away from the first connecting frame 31 and compress the reset elastic member 512.

[0070] The first tooth area 47 is out of contact with the transmission wheel 515. At this time, the reset elastic member 512 is reset to drive the main lead pin rod 51 to rotate in the opposite direction to reel in the nylon rope 54 and the connecting cable 53 at the upper end, and the lower end is out of contact with the outside of the negative lead pin rod 55, and the negative lead pin rod 55 moves in the opposite direction, so that it can be connected to the main grounding busbar 32 again. In this process, the negative lead pin rod 55 and the main lead pin rod 51 are rotated to make the connecting cable 53 evenly wrapped around the outside, thereby ensuring the stability of the connection between the connecting cable 53 and the main lead pin rod 51 and the negative lead pin rod 55, thereby ensuring the grounding effect and avoiding poor contact.

[0071] It is explained again that in the process of rotating the teeth 516 and the transmission wheel 515 through the transmission belt 46 and the first tooth area 47, the negative needle guide rod 55 cooperates with the first spiral groove 513 and the second slider on the second transmission frame 514 and the first spiral groove 513 to enable the transmission wheel 515 and the teeth 516 to move axially along the transmission belt 46.

[0072] like Figure 3 、 Figure 4 、 Figure 7 and Figure 8 As shown, the sum of the lengths of the two connecting cables 53 and the docking frame 52 is greater than the distance between the main needle guide rod 51 and the negative needle guide rod 55;

[0073] The negative needle introduction rod 55 reels the lower nylon rope 54 and the connecting cable 53 . When the lower connecting cable 53 contacts the negative needle introduction rod 55 , the upper connecting cable 53 does not separate from the outside of the main needle introduction rod 51 .

[0074] During the process of winding up the connecting cable 53 and the nylon rope 54 at the lower end by rotating the negative guide needle rod 55, when the connecting cable 53 contacts and wraps around the negative guide needle rod 55, the connecting cable 53 at the upper end does not separate from the outside of the main guide needle rod 51. As the negative guide needle rod 55 continues to reel in, the connecting cable 53 can be completely separated from the outside of the main guide needle rod 51. In this process, a gap in the equipment grounding circuit is avoided, ensuring that the railway equipment is always in a grounded state, and avoiding safety hazards caused by power failure when the railway equipment grounding is detected.

[0075] The working principle and use process of the present invention:

[0076] The grounding wires of multiple devices in the railway traction station are connected to the grounding cable 56, and the grounding cable 56 is connected to the docking frame 52. The connecting cable 53 and the nylon rope 54 at the top of the initial docking frame 52 are wrapped around the outside of the main lead pin rod 51, so that the grounding cable 56 is connected to the main grounding busbar 32 through the docking frame 52, the connecting cable 53, the main lead pin rod 51, and the main grounding busbar 32. Multiple devices can be connected to the main grounding busbar 32 through the main lead pin rod 51 to achieve centralized grounding.

[0077] When it is necessary to independently detect the grounding of multiple devices, the control device 2 controls the driving motor to drive the transmission roller 40 and the transmission belt 46 to rotate. Figure 5 Turn in the direction of the arrow and Figure 5 The rightmost end is the first transmission wheel 515. Since the grounding cables 56 of multiple devices are initially connected to the main grounding busbar 32, the first tooth area 47 drives multiple transmission wheels 515 and the negative lead-in rod 55 to rotate, and the nylon rope 54 and the connecting cable 53 at the lower end are reeled in, so that the nylon rope 54 and the connecting cable 53 at the lower end are wound around the outside of the negative lead-in rod 55, and multiple devices are connected to the spare grounding busbar 34. The connecting cable 53 and the nylon rope 54 at the upper end are pulled away from the outside of the main lead-in rod 51 by the tension at the lower end, so that they are separated from the main grounding busbar 32 and connected, and connected to the spare grounding busbar 34. The last transmission wheel 515 is not engaged with the first tooth area 47, and the second idle area 49 is located at the last transmission wheel 515. At this time, the last transmission wheel 515 is connected to the main grounding busbar 32, the drive motor stops working, and the grounding of the last device can be detected.

[0078] After the detection is completed, the control device 2 controls the drive motor to drive the transmission belt 46 to move again. At this time, the first idle area 45 is located at the first transmission wheel 515. The first transmission wheel 515 rotates in the opposite direction to connect the grounding cable 56 to the main grounding busbar 32, so that the grounding of the device connected to the first grounding cable 56 can be detected. The first tooth area 47 engages with the last transmission wheel 515 to drive it to rotate, so that the grounding cable 56 is disconnected from the main grounding busbar 32. The transmission belt 46 moves in this way, passes through the first idle area 45 and overlaps with the transmission wheel 515 in turn. The opposite grounding cable 56 is connected to the main grounding busbar 32, and drives the first transmission wheel 515 to rotate in turn through the second tooth area 48, and is disconnected from the main grounding busbar 32. In this process, the grounding condition of each device can be independently detected, avoiding manual disassembly and assembly of multiple devices and the grounding assembly 3.

[0079] The transmission assembly 4 drives the negative needle rod 55 to rotate and reel in the nylon rope 54 and the connecting cable 53 at the lower end, thereby pulling the docking frame 52 downward, and moving downward along the outside of the guide rod 42 through the slide 43. The slide 43 improves the stability of the docking frame 52 moving downward along the guide rod 42, avoiding the phenomenon that the docking frame 52 deviates during the movement and causes multiple connecting cables 53 to contact each other.

[0080] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0081] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent centralized grounding box for a railway traction station, comprising a centralized grounding box body (1), characterized in that: Also includes: A grounding component (3), the grounding component (3) is fixedly mounted in the centralized grounding box body (1); A transmission assembly (4), the transmission assembly (4) being arranged on the grounding assembly (3), and a control device (2) for controlling the rotation of the transmission assembly (4) being arranged on the centralized grounding box body (1); A connecting component (5), the connecting component (5) being arranged on the grounding component (3) and the transmission component (4); The connecting assembly (5) includes a docking frame (52), the top and bottom of the docking frame (52) are connected to connecting cables (53), the ends of the two connecting cables (53) are respectively connected to a second docking member (58) and a first docking member (57) through nylon ropes (54), and the second docking member (58) and the first docking member (57) are respectively fixed on the main needle guide rod (51) and the negative needle guide rod (55); A grounding cable (56) is fixedly mounted on the docking frame (52), and the grounding cable (56) is connected to railway traction equipment; Initially, the grounding cable (56) is connected to the docking frame (52), and the connecting cable (53) and the nylon rope (54) at the top of the docking frame (52) are wound around the outside of the main lead pin rod (51), so that the grounding cable (56) and the main lead pin rod (51) are connected, and the grounding cable (56) is connected to the grounding assembly (3) through the docking frame (52), the connecting cable (53), and the main lead pin rod (51), while the bottom connecting cable (53) is detached from the winding outside of the negative lead pin rod (55), so that the bottom connecting cable (53) and the negative lead pin rod (55) are disconnected; One end of the negative needle guide rod (55) is fixedly provided with a transmission wheel (515); The transmission assembly (4) includes a second support frame (44), a driving transmission roller (40), a transmission belt (46), a first idle area (45) and a second idle area (49); The grounding assembly (3) includes a main grounding busbar (32); A driving motor for driving the transmission roller (40) and the transmission belt (46) to rotate is provided on the outside of the second support frame (44); Initially, the grounding cables (56) of the plurality of devices are all connected to the main grounding busbar (32) through the main pin rod (51), and the transmission belt (46) drives the transmission wheel (515) and the main pin rod (51) to rotate through the first tooth area (47), so that the grounding cables (56) of the plurality of devices are disconnected from the main grounding busbar (32) in turn and connected to the spare grounding busbar (34), and the grounding cable (56) of the last device is located in the second idle area (49), so that the last grounding cable (56) remains connected to the main grounding busbar (32); When the first tooth area (47) moves to engage with the last transmission wheel (515), the first tooth area (47) drives the last grounding cable (56) to disconnect from the main grounding busbar (32), and the first idle area (45) is located at the first transmission wheel (515), and the first grounding cable (56) is connected to the main grounding busbar (32).

2. The intelligent centralized grounding box for railway traction depot according to claim 1, characterized in that: The grounding assembly (3) comprises a first connecting frame (31) and a second connecting frame (33) fixedly mounted in the centralized grounding box body (1); a main grounding busbar (32) is fixedly mounted on the first connecting frame (31); a spare grounding busbar (34) is fixedly mounted on the second connecting frame (33); and a detection pin (35) is fixedly mounted on the main grounding busbar (32); The main lead pin rod (51) is sleeved on the main ground busbar (32), and the negative lead pin rod (55) is sleeved on the standby ground busbar (34); The main grounding busbar (32) and the backup grounding busbar (34) are two independent grounding circuits.

3. The intelligent centralized grounding box for railway traction depot according to claim 2, characterized in that: The transmission assembly (4) includes a first support frame (41) fixedly mounted between a main grounding busbar (32) and a spare grounding busbar (34), a guide rod (42) being fixedly mounted on the first support frame (41), and the docking frame (52) vertically slides outside the guide rod (42) via a slide frame (43); The end of the grounding cable (56) is located inside the centralized grounding box body (1) and is spiral-shaped.

4. The intelligent centralized grounding box for railway traction depot according to claim 3, characterized in that: A second support frame (44) is fixedly mounted on the side of the first support frame (41), transmission rollers (40) are provided at the four corners of the second support frame (44), a transmission belt (46) is sleeved on the outside of the transmission roller (40), a first tooth region (47) is provided at the bottom of the transmission belt (46), and a second tooth region (48) is provided at the top of the transmission belt (46); A first idle area (45) and a second idle area (49) are respectively provided at both ends of the transmission belt (46).

5. The intelligent centralized grounding box for railway traction depot according to claim 4, characterized in that: The outer annular array of the transmission wheel (515) is provided with teeth (516), and one end of the teeth (516) does not contact the transmission wheel (515).

6. The intelligent centralized grounding box for railway traction depot according to claim 2, characterized in that: A first transmission frame (511) is fixedly mounted on the main grounding busbar (32), a second spiral groove (517) is provided on the outside of the main needle rod (51), the main needle rod (51) passes through the first transmission frame (511), and a first slider located in the second spiral groove (517) is provided in the first transmission frame (511); A reset elastic member (512) is provided between one end of the main needle guide rod (51) and the first transmission frame (511); A second transmission frame (514) is fixedly mounted on the spare grounding busbar (34), a first spiral groove (513) is provided on the outside of the negative lead pin rod (55), the negative lead pin rod (55) passes through the second transmission frame (514), and a second slider located in the first spiral groove (513) is provided in the second transmission frame (514).

7. The intelligent centralized grounding box for railway traction depot according to claim 1, characterized in that: The sum of the lengths of the two connecting cables (53) and a docking frame (52) is greater than the distance between the main needle guide rod (51) and the negative needle guide rod (55); The negative needle guide rod (55) reels the lower end nylon rope (54) and the connecting cable (53), and when the lower end connecting cable (53) contacts the negative needle guide rod (55), the upper end connecting cable (53) does not separate from the outside of the main needle guide rod (51).

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