Rail transit integrated grounding load switch device

Abstract

The utility model discloses a rail transit integrated grounding load switch device, which comprises a cabinet body, a contactor, a mounting rack, a contact knife switch, an isolation grounding knife switch and a control assembly, and is characterized in that the cabinet body comprises an accommodating cavity, the contactor is arranged in the accommodating cavity and can connect or disconnect a load circuit, and the mounting rack is arranged in the accommodating cavity and can connect or disconnect the load circuit; the contact disconnecting link is arranged on one side of the mounting frame and is connected with the contactor in parallel, the isolation grounding disconnecting link is arranged on the other side of the mounting frame, the contactor, the contact disconnecting link and the isolation grounding disconnecting link are connected through copper bars, and the isolation grounding disconnecting link can connect or disconnect a load circuit. The control assembly can control the opening and closing of the contactor, the contact disconnecting link and the isolation grounding disconnecting link. The technical scheme of the utility model facilitates the collection and transmission of the whole signal, facilitates the improvement of the installation convenience, saves the occupied area, and saves the workload of construction, on-site wiring and debugging.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to an integrated grounding load switch device for rail transportation. Background Art

[0002] With the continuous improvement of the automation and intelligence of subway maintenance operations, online isolation switches, grounding switches, etc. can all be remotely controlled, greatly improving the efficiency of on-site power outages and grounding wires. The status of the vehicle pantograph is often manually confirmed, and then the backstage personnel are notified by telephone to confirm whether the online isolation switch can be opened. Therefore, in the prior art, it is usually the case that due to the unconfirmed status of the vehicle pantograph or errors in information transmission, the backstage performs an opening operation on the online isolation switch without confirming that the vehicle has lowered the pantograph or misjudging whether the vehicle has lowered the pantograph, which may cause the isolation switch to arc and burn. In the prior art, a contactor cabinet, an isolating switch and a grounding cabinet are set to solve the above problems. However, this arrangement not only has a large number of devices, high equipment costs, and a large footprint, but also requires the mutual status of each device to be collected, which leads to a large number of connected communication cables, an increase in the on-site construction workload and an increase in the risk of failure. Utility Model Content

[0003] The embodiment of the utility model provides an integrated grounding load switch device for rail transit, which can facilitate the collection and transmission of overall signals while improving the convenience of installation, saving floor space, and saving the workload of construction, on-site wiring and debugging.

[0004] An embodiment of the utility model provides an integrated grounding load switch device for rail transit, including: a cabinet, a contactor, a mounting frame, a connecting knife switch, an isolating grounding knife switch and a control component. The cabinet includes a accommodating chamber. The contactor is arranged in the accommodating chamber, and the contactor can connect or disconnect the load circuit. The mounting frame is arranged in the accommodating chamber. The connecting knife switch is arranged on one side of the mounting frame, and the connecting knife switch and the contactor are arranged in parallel. The isolating grounding knife switch is arranged on the other side of the mounting frame, and the contactor, the connecting knife switch and the isolating grounding knife switch are connected by a copper busbar, and the isolating grounding knife switch can connect or disconnect the load circuit. The control component can control the opening and closing of the contactor, the connecting knife switch and the isolating grounding knife switch.

[0005] The technical solution of the utility model adopts the method of installing the contactor, the connecting knife switch, and the isolating grounding knife switch in a cabinet. The connecting knife switch and the isolating grounding knife switch are respectively located on opposite sides of the mounting frame. The control component controls the electrical operation and the position status of the connecting knife switch and the isolating grounding knife switch, so that the overall signal acquisition and transmission become simple and convenient, and the floor space is saved. The contactor, the connecting knife switch, and the isolating grounding knife switch are all installed in the cabinet, and are connected to each other with copper bars. When installing at the construction site, it is only necessary to install and fix the cabinet, eliminating the cables connecting the equipment to each other in the installation split setting scheme, greatly saving the construction workload and facilitating the convenience of installation. In addition, the contactor, the connecting knife switch, and the isolating grounding knife switch are easy to control inside the cabinet. The relevant debugging work of the contactor, the connecting knife switch, and the isolating grounding knife switch can be completed before the rail transit integrated grounding load switch device leaves the factory, which can greatly save the workload of on-site wiring and debugging.

[0006] According to the aforementioned embodiments of the utility model, the accommodating cavity includes a first cavity and a second cavity arranged in a vertical arrangement and connected, the first cavity includes a first sub-cavity and a second sub-cavity arranged in a horizontal arrangement and connected, the contactor is arranged in the first sub-cavity, and a secondary chamber is arranged in the second sub-cavity. The second cavity includes a third sub-cavity and a fourth sub-cavity arranged in a horizontal arrangement and connected, the connecting knife switch is arranged in the third sub-cavity, the connecting knife switch is located below the contactor, the isolating grounding knife switch is arranged in the fourth sub-cavity, and the isolating grounding knife switch is located below the secondary chamber. In the technical solution of the utility model, the first cavity includes a first sub-cavity and a second sub-cavity arranged in a horizontal arrangement, the second cavity includes a third sub-cavity and a fourth sub-cavity arranged in a horizontal arrangement and connected, the contactor is arranged in the first sub-cavity, the secondary chamber is arranged in the second sub-cavity, the connecting knife switch is arranged in the third sub-cavity, and the isolating grounding knife switch is arranged in the fourth sub-cavity, so that the internal structure of the cabinet is compact, the width of the integrated grounding load switch device for rail transit is reduced, which is conducive to saving the floor space of the integrated grounding load switch device for rail transit, and is convenient for installation between the two tracks of the vehicle section.

[0007] According to the aforementioned embodiment of the utility model, the cabinet includes a frame portion, and the frame portion includes a groove. The mounting frame includes a protrusion, and the protrusion can be matched with the groove to connect the mounting frame to the frame portion. In the technical solution of the utility model, the protrusion can be matched with the groove to connect the mounting frame to the frame portion, which ensures the accuracy of the overall structure of the integrated grounding load switch device for rail transit, and is conducive to improving the accuracy of the installation position of the connecting knife switch and the isolation grounding knife switch.

[0008] According to the aforementioned embodiment of the utility model, a first hanging bolt and a second hanging bolt are provided on the mounting frame, the connecting knife switch is installed on one side of the mounting frame through the first hanging bolt, and the isolating grounding knife switch is installed on the other side of the mounting frame through the second hanging bolt.

[0009] According to the aforementioned embodiment of the utility model, the cabinet includes: two outer cabinet doors and two side doors, the two outer cabinet doors are respectively arranged on opposite sides of the cabinet, each outer cabinet door is connected to the frame part, and each outer cabinet door can open or close the cabinet. The two side doors are respectively arranged on opposite sides of the cabinet, and each side door is detachably connected to the frame part. The technical solution of the utility model is to set two outer cabinet doors, so that the outer cabinet doors can be opened on the spot from two different directions in the front and back during operation and inspection and maintenance, without invading the lines and affecting the tracks on both sides. The two side doors are detachably connected to the frame part, which is convenient for inspection and maintenance.

[0010] According to the aforementioned embodiment of the utility model, the cabinet also includes: a mounting plate. The mounting plate is connected to the frame portion, and the contactor is arranged on the mounting plate. The technical solution of the utility model provides a mounting plate, and during the installation and removal process, the contactor can be placed on the mounting plate first, and then the contactor can be moved to a preset position in the cabinet, so that the contactor can be installed and removed conveniently and quickly, which is conducive to improving the safety during the installation and removal process.

[0011] According to the aforementioned embodiments of the utility model, the first cavity includes a first cabinet door and a second cabinet door, and the first cabinet door and the second cabinet door are respectively arranged on opposite sides of the first cavity, and the first cabinet door and the second cabinet door can open or close the first cavity respectively. The second cavity includes a third cabinet door and a fourth cabinet door, and the third cabinet door and the fourth cabinet door are respectively arranged on opposite sides of the second cavity, and the third cabinet door and the fourth cabinet door can open or close the second cavity respectively. In the technical solution of the utility model, the first cavity includes the first cabinet door and the second cabinet door, and the second cavity includes the third cabinet door and the fourth cabinet door. By setting a double-layer door structure designed in the front and back, it is beneficial to improve the protection effect.

[0012] According to the aforementioned implementation of the utility model, the first cabinet door is provided with an indicator light, a knife switch control button and a circuit control switch. The second cabinet door is provided with a first observation window, and the first observation window is used to observe the contactor status. In the technical solution of the utility model, by providing an indicator light, a knife switch control button and a circuit control switch on the first cabinet door, it is convenient for the operator to conduct on-site sequential control and sub-control electrical operations. The operator can observe the contactor status in time through the first observation window, and timely inspect and replace the contactor.

[0013] According to the aforementioned embodiment of the utility model, the third cabinet door includes: a first hand-operated lock and a second observation window and a third observation window. The first hand-operated lock can cooperate with the isolation grounding switch to control the isolation grounding switch to switch between the isolation position, the connection position and the connection position. The second observation window is used to observe the contact state of the isolation grounding switch, and the third observation window is used to observe the contact position of the isolation grounding switch. The fourth cabinet door includes: a second hand-operated lock and a fourth observation window. The second hand-operated lock can cooperate with the contact switch to control the switching of the contact of the contact switch. The fourth observation window is used to observe the contact state of the contact switch. In the technical solution of the utility model, by setting the first hand-operated lock on the third cabinet door and the second hand-operated lock on the fourth cabinet door, the first hand-operated lock can cooperate with the isolation grounding switch, and the second hand-operated lock can cooperate with the contact switch, which is convenient for the operator to operate. The operator can timely observe the contact state and position of the isolation grounding switch through the second observation window and the third observation window, and timely observe the contact state of the contact switch through the fourth observation window.

[0014] According to the aforementioned embodiment of the utility model, the cabinet further includes: a base and a buffer assembly, the base is arranged at the bottom of the cabinet, the buffer assembly is arranged between the base and the cabinet, and a hoisting part is arranged on the top of the cabinet. In the technical solution of the utility model, a hoisting part is arranged on the top of the cabinet for hoisting and transportation. The technical solution of the utility model can effectively reduce the influence of train vibration on the integrated grounding load switch device for rail transit by arranging a buffer assembly between the base and the cabinet, avoid the situation that the power supply wiring inside the integrated grounding load switch device for rail transit is loose and virtual connection occurs, thereby avoiding internal electrical control abnormalities. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the rail transit integrated grounding load switch device of the utility model when detecting a vehicle;

[0017] Figure 2 It is a schematic diagram of the first angle of connection of the contactor, the connecting knife switch and the isolating grounding knife switch structure in one embodiment of the rail transit integrated grounding load switch device of the utility model;

[0018] Figure 3 It is a second angle schematic diagram of the structural connection of the contactor, the connecting knife switch, and the isolating grounding knife switch in one embodiment of the rail transit integrated grounding load switch device of the utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure inside the cabinet of an embodiment of the rail transit integrated grounding load switch device of the utility model;

[0020] Figure 5 It is a schematic diagram of the connection between the frame part and the mounting frame of an embodiment of the integrated grounding load switch device for rail transit of the utility model;

[0021] Figure 6 This is a front view of the interior of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0022] Figure 7 This is a side view of the interior of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0023] Figure 8 This is a rear view of the interior of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0024] Fig. 9 This is a structural schematic diagram of an embodiment of a rail transit integrated grounding load switch device of the utility model with two outer cabinet doors opened;

[0025] Fig.10 This is a front view of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0026] Fig.11 It is a side view of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0027] Fig.12 This is a rear view of a cabinet of an embodiment of an integrated grounding load switch device for rail transit of the utility model;

[0028] Fig.13 This is a structural schematic diagram of a mounting frame of an embodiment of a rail transit integrated grounding load switch device of the utility model;

[0029] Fig.14 It is a first angle schematic diagram of the connecting knife switch and the isolating grounding knife switch structure installed on the mounting frame in one embodiment of the rail transit integrated grounding load switch device of the utility model;

[0030] Fig.15 It is a second angle schematic diagram of the connecting knife switch and the isolating grounding knife switch structure installed on the mounting frame in one embodiment of the rail transit integrated grounding load switch device of the utility model;

[0031] Fig.16This is a structural diagram of the first cabinet door and the third cabinet door of an embodiment of the integrated grounding load switch device for rail transit of the utility model;

[0032] Fig.17 This is a structural diagram of the second cabinet door and the fourth cabinet door of an embodiment of the rail transit integrated grounding load switch device of the utility model.

[0033] Description of Figure Numbers:

[0034] Integrated grounding load switch device for rail transit - 1000, contact network in front of the depot - 2000, contact network inside the depot - 3000, vehicle - 4000, pantograph - 5000, track - 6000;

[0035] Cabinet - 100, contactor - 200, mounting frame - 300, contact switch - 400, isolation grounding switch - 500, control component - 600, secondary room - 700;

[0036] First cavity 110, second cavity 120, frame part 130, outer cabinet door 140, side door 150, mounting plate 160, base 170, buffer assembly 180, hanging part 190, protrusion 310, first mounting part 320, second mounting part 330, first hanging bolt 340, second hanging bolt 350, first locking nut 360, first locking nut 370;

[0037] First cabinet door-111, second cabinet door-112, third cabinet door-121, fourth cabinet door-122, groove-131;

[0038] Indicator light 1111, switch control button 1112, circuit control switch 1113, first observation window 1121, first hand lock 1211, second observation window 1212, third observation window 1213, second hand lock 1221, fourth observation window 1222;

[0039] The contact network in front of the reservoir is connected to the copper busbar-A1, the contact network inside the reservoir is connected to the copper busbar-A2, the contact network grounding connection copper busbar-A3, the first sub-cavity-S1, the second sub-cavity-S2, the third sub-cavity-S3, the fourth sub-cavity-S4, the first direction-X1, the second direction-X2.

[0040] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0043] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0044] The embodiment of the utility model provides an integrated grounding load switch device for rail transit, which can realize the direct switching operation of the vehicle in the vehicle section without confirming the lowering state of the vehicle, and can realize the contact network grounding function. It can facilitate the collection and transmission of the overall signal, and is conducive to improving the convenience of installation, saving floor space, and saving the workload of construction, on-site wiring and debugging.

[0045] like Figures 1 to 5 As shown, an embodiment of the utility model provides a rail transit integrated grounding load switch device 1000, including: a cabinet 100, a contactor 200, a mounting frame 300, a connecting switch 400, an isolating grounding switch 500 and a control component 600.

[0046] like Figures 4 to 5 As shown, the cabinet 100 includes a housing cavity. The housing cavity includes a first cavity 110 and a second cavity 120 arranged vertically and connected, the first cavity 110 includes a first sub-cavity S1 and a second sub-cavity S2 arranged horizontally and connected, the contactor 200 is arranged in the first sub-cavity S1, and the contactor 200 can connect or disconnect the load circuit. The secondary chamber 700 is arranged in the second sub-cavity S2.

[0047] like Figures 4 to 5As shown, the second cavity 120 includes a third sub-cavity S3 and a fourth sub-cavity S4 arranged in a left-right arrangement and connected, and the connecting knife switch 400 is arranged in the third sub-cavity S3, and the connecting knife switch 400 is located below the contactor 200, and the connecting knife switch 400 is arranged in parallel with the contactor 200. The isolation grounding knife switch 500 is arranged in the fourth sub-cavity S4, and the isolation grounding knife switch 500 is located below the secondary chamber 700. The contactor 200, the connecting knife switch 400, and the isolation grounding knife switch 500 are connected by a copper bar, and the isolation grounding knife switch 500 and the connecting knife switch 400 are arranged back to back, and the isolation grounding knife switch 500 can connect or disconnect the load circuit. The control component 600 can control the opening and closing of the contactor 200, the connecting knife switch 400, and the isolation grounding knife switch 500.

[0048] By installing the contactor 200, the connecting knife switch 400, and the isolating grounding knife switch 500 in a cabinet 100, the connecting knife switch 400 and the isolating grounding knife switch 500 are respectively located on opposite sides of the mounting frame 300, and the control component 600 controls the electrical operation and the position status of the connecting knife switch 400 and the isolating grounding knife switch 500, so that the overall signal collection and transmission become simple and convenient, saving floor space. The contactor 200, the connecting knife switch 400, and the isolating grounding knife switch 500 are all installed in the cabinet 100, and are connected to each other by copper bars. When installing at the construction site, only the cabinet 100 needs to be installed and fixed, eliminating the cables connecting the devices in the installation split setting scheme, greatly saving the construction workload, and being conducive to improving the convenience of installation. In addition, the contactor 200, the connecting switch 400, and the isolating grounding switch 500 are easy to control inside the cabinet 100. The relevant debugging work of the contactor 200, the connecting switch 400, and the isolating grounding switch 500 can be completed before the rail transit integrated grounding load switch device 1000 leaves the factory, which can greatly save the workload of on-site wiring and debugging.

[0049] like Figures 1 to 3 As shown, the contactor switch 400 is connected in parallel on both sides of the contactor 200, replacing the contactor 200 to carry current for a long time. After the contactor 200 has connected the load circuit, the contactor 200 can be disconnected by closing the contactor switch 400, so as to avoid the contactor 200 being powered on for a long time and thus shortening its life. The isolation grounding switch 500 can be used as an isolating switch to connect and disconnect the circuit to form a break, and can also be used as a grounding switch to ground the contact network. When the contact network in the depot is shut down, the contactor 200, the contactor switch 400 and the isolation grounding switch 500 will be opened and closed according to the preset logic. Because the contactor 200 can disconnect the load circuit, there is no need to judge the lowering state of the pantograph 5000 of the vehicle 4000, which can greatly improve the operating efficiency.

[0050] like Figures 1 to 3As shown, the contact switch 400 has a first end and a second end. When the contact switch 400 is closed, the first end and the second end are connected. The contactor 200 has a third end and a fourth end. When the contactor 200 is closed, the third end and the fourth end are connected. The isolation grounding switch 500 includes a fifth end, a floating end and a grounding end. The contact network connection copper bar A1 in front of the warehouse is connected to the contact network 2000 in front of the warehouse, the contact switch 400 and the contactor 200 are closed, and the isolation grounding switch 500 is connected to the fifth end. One circuit leads to the contact switch 400, and the other leads to the contactor 200. The second end of the contact switch 400 and the fourth end of the contactor 200 are connected to the fifth end of the isolation grounding switch 500. The contact network connection copper bar A2 in the warehouse is connected to the contact network 3000 in the warehouse, and the contact network grounding connection copper bar A3 is grounded.

[0051] like Figures 4 to 8 As shown, the isolation grounding switch 500 in the cabinet 100 is located at the front and lower part of the integrated grounding load switch device 1000 for rail transit, and the connecting switch 400 is located at the rear of the integrated grounding load switch device 1000 for rail transit, and is installed back to back with the isolation grounding switch 500. A secondary chamber 500 is arranged above the isolation grounding switch 500, and a contactor 200 is placed above the connecting switch 400. The interior of the cabinet 100 is distributed in a "field" shape as a whole, so that the integrated grounding load switch device 1000 for rail transit is small in width and suitable for installation between two tracks 6000 of a vehicle 4000.

[0052] like Figure 5 As shown, the cabinet 100 includes a frame portion 130, and the frame portion 130 includes a groove 131. The mounting frame 300 includes a protrusion 310, and the protrusion 310 can be matched with the groove 131 to connect the mounting frame 300 to the frame portion 130. In the technical solution of the utility model, the protrusion 310 can be matched with the groove 131 to connect the mounting frame 300 to the frame portion 130, which ensures the accuracy of the overall structure of the integrated grounding load switch device 1000 for rail transit, and is conducive to improving the accuracy of the installation position of the connecting knife switch 400 and the isolation grounding knife switch 500.

[0053] like Figures 9 to 12As shown, the cabinet 100 includes: two outer cabinet doors 140 and two side doors 150. The two outer cabinet doors 140 are respectively arranged on opposite sides of the cabinet 100, each outer cabinet door 140 is connected to the frame part 130, and each outer cabinet door 140 can open or close the cabinet 100. The two side doors 150 are respectively arranged on opposite sides of the cabinet 100, and each side door 150 is detachably connected to the frame part 130. The technical solution of the utility model is to set two outer cabinet doors 140, so that the outer cabinet doors 140 can be opened on the spot from two different directions in the front and back during operation and inspection and maintenance, without invading the line and affecting the tracks 6000 on both sides. The two side doors 150 are detachably connected to the frame part 130, which is convenient for inspection and maintenance.

[0054] like Figure 5 As shown, the cabinet 100 further includes: a mounting plate 160. The mounting plate 160 is connected to the frame portion 130, and the contactor 200 is arranged on the mounting plate 160. The technical solution of the utility model provides the mounting plate 160, and during the installation and removal process, the contactor 200 can be placed on the mounting plate 160 first, and then the contactor 200 can be moved to a preset position in the cabinet 100, so that the contactor 200 can be installed and removed conveniently and quickly, which is conducive to improving the safety during the installation and removal process.

[0055] like Figures 13 to 15 As shown, the mounting frame 300 includes: a first mounting portion 320 and a second mounting portion 330. The first mounting portion 320 is arranged along the first direction X1, and the second mounting portion 330 is arranged along the second direction, and the first direction X1 and the second direction X2 are perpendicular to each other. The connecting knife switch 400 is arranged on the first mounting portion 320, and the isolating grounding knife switch 500 is arranged on the second mounting portion 330. The first mounting portion 320 and the second mounting portion 330 are connected to each other through a mosaic structure, which ensures the overall structural accuracy of the mounting frame 300, so that the connecting knife switch 400 and the isolating grounding knife switch 500 are accurately installed.

[0056] like Fig.13As shown, the first mounting portion 320 is provided with a first mounting bolt 340 and a first locking nut 360, and the second mounting portion 330 is provided with a second mounting bolt 350 and a second locking nut 370. The connecting knife switch 400 is installed on one side of the mounting frame 300 through the first mounting bolt 340 and the first locking nut 360, and the isolating grounding knife switch is installed on the other side of the mounting frame 300 through the second mounting bolt 350 and the second locking nut 370. When installing the connecting knife switch 400 and the isolating grounding knife switch 500, the connecting knife switch 400 and the isolating grounding knife switch 500 can be hung on the first mounting bolt 340 and the second mounting bolt 350 respectively to realize the positioning and mounting of the connecting knife switch 400 and the isolating grounding knife switch 500, and then the first mounting bolt 340, the first locking nut 360, the second mounting bolt 350, and the second locking nut 370 are locked to complete the fixing of the connecting knife switch 400 and the isolating grounding knife switch 500, so as to facilitate the installation of the assembler.

[0057] like Figure 16 to Figure 17 As shown, the first cavity 110 includes a first cabinet door 111 and a second cabinet door 112, which are respectively arranged on opposite sides of the first cavity 110, and the first cabinet door 111 and the second cabinet door 112 can respectively open or close the first cavity 110. The second cavity 120 includes a third cabinet door 121 and a fourth cabinet door 122, which are respectively arranged on opposite sides of the second cavity 120, and the third cabinet door 121 and the fourth cabinet door 122 can respectively open or close the second cavity 120. In the technical solution of the utility model, the first cavity 110 includes the first cabinet door 111 and the second cabinet door 112, and the second cavity 120 includes the third cabinet door 121 and the fourth cabinet door 122. By setting a double-layer door structure designed in the front and back, it is beneficial to improve the protection effect, and the protection level can reach IP65, and it can be installed in an outdoor environment.

[0058] like Figure 16 to Figure 17 As shown, the first cabinet door 111 is provided with an indicator light 1111, a knife switch control button 1112 and a circuit control switch 1113, and the control assembly 600 is provided on the first cabinet door 111. The second cabinet door 112 is provided with a first observation window 1121, and the first observation window 1121 is used to observe the state of the contactor 200. In the technical solution of the utility model, by arranging the indicator light 1111, the operation panel 1112, the knife switch control button 1112 and the circuit control switch 1113 on the first cabinet door 111, it is convenient for the operator to conduct on-site sequential control and sub-control electrical operation, and the operator can timely observe the state of the contactor 200 through the first observation window 1121, and timely repair and replace the contactor 200.

[0059] like Figure 16 to Figure 17As shown, the third cabinet door 121 includes: a first hand-operated lock 1211 and a second observation window 1212 and a third observation window 1213. The first hand-operated lock 1211 can cooperate with the isolation grounding switch 500 to control the isolation grounding switch 500 to switch between the fifth end, the floating end and the grounding end. The second observation window 1212 is used to observe the contact state of the isolation grounding switch 500, and the third observation window 1213 is used to observe the contact position of the isolation grounding switch 500. The fourth cabinet door 122 includes: a second hand-operated lock 1221 and a fourth observation window 1222. The second hand-operated lock 1221 can cooperate with the contact switch 400 to control the contact switching of the contact switch 400. The fourth observation window 1222 is used to observe the contact state of the contact switch 400. In the technical solution of the utility model, by setting a first hand lock 1211 on the third cabinet door 121 and a second hand lock 1221 on the fourth cabinet door 122, the first hand lock 1211 can cooperate with the isolation grounding switch 500, and the second hand lock 1221 can cooperate with the contact switch 400, which is convenient for the operator to operate. The operator can timely observe the contact state and position of the isolation grounding switch 500 through the second observation window 1212 and the third observation window 1213, and timely observe the contact state of the contact switch 400 through the fourth observation window 1222.

[0060] like Figure 4 As shown, the cabinet 100 also includes: a base 170 and a buffer assembly 180. The base 170 is arranged at the bottom of the cabinet 100. The buffer assembly 180 is arranged between the base 170 and the cabinet 100. The buffer assembly 180 includes a rubber shock-absorbing pad, which can not only bear the weight of the cabinet 100, but also absorb the energy generated by the vibration of the train operation. In the embodiment of the utility model, the shock-absorbing pad is made of rubber. In other embodiments, other materials that are conducive to shock absorption can also be used. This application does not limit the material of the shock-absorbing pad, and those skilled in the art can determine the material of the shock-absorbing pad according to actual needs. A hoisting part 190 is provided on the top of the cabinet 100. In this embodiment, the top of the cabinet 100 can be tilted, and the top of the cabinet 100 has an inclined surface for drainage. In the technical solution of the utility model, a hoisting part 190 is provided on the top of the cabinet 100 for hoisting and transportation. The technical solution of the utility model can effectively reduce the impact of train vibration on the integrated rail transit grounding load switch device 1000 by setting a buffer component 180 between the base 170 and the cabinet 100, avoid the loosening and virtual connection of the power connection inside the integrated rail transit grounding load switch device 1000, and thus avoid internal electrical control abnormalities.

[0061] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A rail transit integrated grounding load switch device, characterized in that: The rail transit integrated grounding load switch device comprises: A cabinet, the cabinet comprising a containing cavity; A contactor, the contactor is disposed in the accommodating cavity, and the contactor can connect or disconnect a load circuit; A mounting frame, the mounting frame being disposed in the accommodating cavity; A contact switch, which is arranged on one side of the mounting frame and is arranged in parallel with the contactor; An isolation grounding switch, which is arranged on the other side of the mounting frame, wherein the contactor, the contact switch and the isolation grounding switch are connected via a copper bus, and the isolation grounding switch can connect or disconnect a load circuit; and A control component, wherein the control component can control the opening and closing of the contactor, the connecting switch, and the isolating grounding switch.

2. The rail transit integrated grounding load switch device according to claim 1, characterized in that: The accommodating chamber comprises a first cavity and a second cavity which are arranged vertically and connected to each other, the first cavity comprises a first sub-cavity and a second sub-cavity which are arranged horizontally and connected to each other, the contactor is arranged in the first sub-cavity, and a secondary chamber is arranged in the second sub-cavity; The second cavity includes a third sub-cavity and a fourth sub-cavity which are arranged in left and right relation and are connected. The connecting knife switch is arranged in the third sub-cavity and is located below the contactor. The isolating grounding knife switch is arranged in the fourth sub-cavity and is located below the secondary chamber.

3. The rail transit integrated grounding load switch device according to claim 1, characterized in that: The cabinet includes a frame portion, and the frame portion includes a groove; The mounting bracket includes a protrusion, and the protrusion can be matched with the groove to connect the mounting bracket to the frame part.

4. The rail transit integrated grounding load switch device according to claim 1, characterized in that: The mounting frame is provided with a first hanging bolt and a second hanging bolt. The connecting knife switch is installed on one side of the mounting frame through the first hanging bolt, and the isolating grounding knife switch is installed on the other side of the mounting frame through the second hanging bolt.

5. The integrated rail transit grounding load switch device according to claim 3, characterized in that: The cabinet comprises: two outer cabinet doors, the two outer cabinet doors are respectively arranged on opposite sides of the cabinet body, each of the outer cabinet doors is connected to the frame portion, and each of the outer cabinet doors can open or close the cabinet body; and Two side doors are respectively arranged on opposite sides of the cabinet, and each of the side doors is detachably connected to the frame part.

6. The integrated rail transit grounding load switch device according to claim 3, characterized in that: The cabinet also includes: A mounting plate is connected to the frame portion, and the contactor is arranged on the mounting plate.

7. The rail transit integrated grounding load switch device according to claim 2, characterized in that: The first cavity comprises a first cabinet door and a second cabinet door, the first cabinet door and the second cabinet door are respectively arranged on two opposite sides of the first cavity, and the first cabinet door and the second cabinet door can respectively open or close the first cavity; The second cavity includes a third cabinet door and a fourth cabinet door. The third cabinet door and the fourth cabinet door are respectively arranged on two opposite sides of the second cavity. The third cabinet door and the fourth cabinet door can respectively open or close the second cavity.

8. The rail transit integrated grounding load switch device according to claim 7, characterized in that: The first cabinet door is provided with an indicator light, a switch control button and a circuit control switch, and the second cabinet door is provided with a first observation window, and the first observation window is used to observe the state of the contactor.

9. The rail transit integrated grounding load switch device according to claim 7, characterized in that: The third cabinet door comprises: A first hand operated lock, wherein the first hand operated lock can cooperate with the isolation grounding switch to control the isolation grounding switch to switch between an isolation position, a connection position, and a grounding position; and A second observation window and a third observation window, wherein the second observation window is used to observe the contact state of the isolation grounding switch, and the third observation window is used to observe the contact position of the isolation grounding switch; The fourth cabinet door comprises: A second hand lock, which can cooperate with the connecting knife switch to control the switching of the connecting knife switch contacts; and A fourth observation window, wherein the fourth observation window is used to observe the contact status of the contact switch.

10. The rail transit integrated grounding load switch device according to claim 1, characterized in that: The cabinet further comprises: a base and a buffer assembly, wherein the base is arranged at the bottom of the cabinet, the buffer assembly is arranged between the base and the cabinet, and a hanging part is arranged at the top of the cabinet.

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