Quick dismounting rail device for main transformer of electric locomotive

Abstract

This application relates to the field of electric locomotive technology, and in particular to a quick-release and installation guide rail device for the main transformer of an electric locomotive. The device includes a first rail, a second rail, and a crossbeam. The first rail is fixedly connected to the crossbeam by bolts. The first and second rails are symmetrically arranged around the crossbeam. Each of the first and second rails has a disassembly and assembly mechanism on one side. This application enables the first and second lifting blocks to quickly position and fix the lifting assembly by clamping the T-shaped blocks on both sides of the rail body, thereby achieving the effect of conveniently lifting the rail body using the lifting assembly. The symmetrical arrangement of the lifting blocks and the connecting structure of the screw ensures balanced force during lifting, improving the stability and efficiency of the disassembly and assembly operation.

Description

Technical Field

[0001] This application relates to the field of electric locomotive technology, and in particular to a quick-release guide rail device for the main transformer of an electric locomotive. Background Technology

[0002] Harmony locomotives are the main equipment for freight operations in my country's rail transit system. With the continuous increase in locomotive mileage, numerous problems have arisen with the locomotive's main transformer during use. To address these issues and eliminate potential safety hazards, we need to strengthen the daily maintenance and repair of the main transformer. The process typically involves the coordinated operation of a railcar and a lifting machine. The locomotive body and bogies must be separated. After lifting, one end of the bogie is pushed out, and the railcar is pushed in from the same end. The main transformer is then lowered onto the railcar and removed from the lifting area for maintenance. The operation is then completed and the locomotive returns via the same route. The main transformer disassembly and assembly process is complex, involving multiple trades, a wide range of parts to be disassembled and assembled, a long operation time, and a confined working space. This results in high labor intensity and fatigue for the operators.

[0003] Regarding the aforementioned technologies, the inventors have discovered the following shortcomings: Existing devices mostly rely on fixing methods such as bolts and welding, requiring each hole to be aligned and a large number of bolts to be tightened, which is time-consuming and labor-intensive, especially inconvenient to operate inside the space-constrained locomotive; it is impossible to achieve rapid hoisting and connection of tracks, and the disassembly and assembly process relies on manual alignment and repeated adjustments, which is inefficient. Utility Model Content

[0004] To address the problems mentioned in the background section, this application provides a quick-release guide rail device for the main transformer of an electric locomotive.

[0005] The quick-release guide rail device for the main transformer of an electric locomotive provided in this application adopts the following technical solution: A quick-release guide rail device for the main transformer of an electric locomotive includes a first rail, a second rail and a crossbeam. The first rail is fixedly connected to the crossbeam by bolts. The first rail and the second rail are symmetrically arranged with the crossbeam as the center. A disassembly and assembly mechanism is provided on one side of both the first rail and the second rail.

[0006] Both the first and second tracks include a track body, a slot, and a plate. The track body consists of a base, a support plate fixedly installed on the top of the base, and a slide rail on the top of the support plate. Slots are provided on both the left and right sides of the track body base, and plates are fixedly connected to both the left and right sides of the track body slide rail.

[0007] The above scheme adopts a layered structure design for the track body, combined with the dual guiding and limiting functions of the slot and the plate, to ensure accurate alignment during track splicing, while enhancing the longitudinal load-bearing capacity and deformation resistance of the track.

[0008] The disassembly and assembly mechanism includes a hoisting assembly for hoisting the track body and a connecting assembly for connecting the track body. Both the hoisting assembly and the connecting assembly include a base plate, a T-shaped locking block, and a limiting block. The base plate is fixedly installed at the bottom of the track body. T-shaped locking blocks are fixedly connected to both the left and right sides of the base plate. Limiting blocks are also fixedly installed on both the left and right sides of the base plate. The limiting blocks are movably engaged between the locking plate and the support plate of the track body.

[0009] Through the above scheme, the T-shaped locking block and the limiting block form a composite locking mechanism, which enables rapid positioning and rigid fixation of the track body during hoisting and splicing, significantly improving disassembly and assembly efficiency and operational safety.

[0010] Optionally, the hoisting assembly includes a first hoisting block, a first positioning hole, a T-shaped slot, a hoisting hole, a second hoisting block, and a first screw. The bottom of the first hoisting block has a T-shaped slot, and the first hoisting block is movably sleeved on one side of the T-shaped slot. The first positioning hole and the hoisting hole are opened through one side of the first hoisting block. The first hoisting block and the second hoisting block are symmetrically arranged with the track body as the center. The first screw is fixedly connected to one side of the second hoisting block. The first screw passes through the first positioning hole on one side of the first hoisting block, and the part of the first screw extending out of the first positioning hole is threadedly sleeved with a nut.

[0011] The above scheme uses symmetrical lifting blocks and screw locking structure to achieve balanced lifting and multi-point fixing of the track body. The lifting hole design facilitates connection with external equipment and ensures a stable and controllable lifting process.

[0012] Optionally, the connecting assembly includes a first connecting plate, an inner T-shaped slider, a second positioning hole, a second connecting plate, a second screw, and a support crossbar. The first connecting plate is movably sleeved on one side of the T-shaped block via the inner T-shaped slider. The inner T-shaped slider passes through one side of the first connecting plate. A second positioning hole passes through one side of the first connecting plate. The first connecting plate and the second connecting plate are symmetrically arranged with respect to the track body. A second screw is fixedly connected to one side of the second connecting plate. The second screw passes through the second positioning hole, and the portion of the second screw extending out of the second positioning hole is threadedly engaged with a nut. The connecting assembly is symmetrically arranged with respect to the support crossbar, and the support crossbar is fixedly installed on one side of the second connecting plate.

[0013] Through the above scheme, the inner T-shaped slider and the screw work together to form an adjustable connection mechanism, the support crossbar enhances the torsional resistance of the connecting components, and realizes high-precision splicing of multi-track units and uniform load distribution.

[0014] Optionally, the first track and the second track also include limiting holes, which are all opened on one side of the track body support plate, and the limiting holes are respectively fixedly sleeved with the first screw inside the hoisting assembly and the second screw inside the connecting assembly.

[0015] The above scheme forms a dual positioning system by combining the limiting hole and the screw, which not only ensures the vertical positioning accuracy of the hoisting components, but also strengthens the lateral constraint of the connecting components and improves the overall structural stability.

[0016] Optionally, both the first and second tracks are composed of multiple track bodies spliced ​​together along the axial direction, and adjacent track bodies are interlocked through the cooperation of slots, plates and connecting components.

[0017] Through the above scheme, the modular track body achieves rapid expansion and seamless splicing through the mechanical interlocking of the slot-plate and the synergistic effect of the connecting components, adapting to the working conditions of disassembling and assembling transformers of different lengths.

[0018] Optionally, at least two sets of symmetrically distributed limiting holes are provided at the splice of the adjacent track bodies. The axis of the limiting holes is perpendicular to the extension direction of the slide rail of the track body, and tie bolts for fixing the adjacent track bodies are inserted in the limiting holes.

[0019] The above scheme uses symmetrically distributed limiting holes and tie bolts to form a multi-point anchoring structure, which effectively eliminates track splicing gaps and improves the overall stiffness and shear resistance of the track system.

[0020] Optionally, the two ends of the support crossbar are provided with inclined reinforcing ribs that are connected to the second connecting plate, and the axial direction of the support crossbar is arranged spatially perpendicular to the extension direction of the slide rail of the track body.

[0021] The above scheme optimizes the stress state of the support crossbar by using inclined reinforcing ribs and a spatially vertical layout, significantly improving the bending strength and fatigue resistance of the connecting components under complex loads.

[0022] Optionally, the cross-section of the card plate is an inverted L-shaped structure, with its horizontal part fixedly connected to the slide rail sidewall of the track body, and its vertical part extending downward to form a guide surface that cooperates with the limiting block.

[0023] Through the above scheme, the inverted L-shaped plate guides the limiting block to be precisely engaged through the vertical guide surface, while the horizontal part provides a stable support surface, realizing the self-centering function and anti-overturning protection during track splicing.

[0024] Optionally, the sliding direction of the inner T-shaped slider is perpendicular to the extension direction of the slide rail of the track body.

[0025] The above solution enables the connecting components to have lateral adjustment capabilities through the vertical sliding design of the inner T-shaped slider, compensating for track manufacturing tolerances and ensuring the straightness and coplanarity requirements after splicing multiple track segments.

[0026] In summary, this application includes the following beneficial technical effects:

[0027] 1. This utility model includes a base plate, T-shaped locking blocks, a first lifting block, and a first screw in the lifting assembly. Through the sliding engagement of the T-shaped slot of the first lifting block with the T-shaped locking block of the base plate, and the threaded connection of the first screw through the first positioning hole and the nut, the first and second lifting blocks can quickly position and fix the lifting assembly by clamping the T-shaped locking blocks on both sides of the track body. This achieves the effect of conveniently lifting the track body using the lifting assembly. The symmetrical arrangement of the lifting blocks and screw connection structure ensures balanced force during lifting, improving the stability and efficiency of the assembly and disassembly operations.

[0028] 2. This utility model includes a first connecting plate, an inner T-shaped slider, a second connecting plate, a second screw, and a supporting crossbar in the connecting assembly. Through the sliding engagement of the inner T-shaped slider and the T-shaped locking block, and the threaded connection of the second screw through the second positioning hole and the nut, the first connecting plate and the second connecting plate can interlock with adjacent track bodies by clamping the T-shaped locking blocks on both sides of the track body. This achieves the effect of securely connecting multiple spliced ​​track bodies through the connecting assembly. The supporting crossbar, combined with inclined reinforcing ribs, enhances the deformation resistance of the connecting structure, ensuring the stability and reliability of the overall structure of the guide rail device during the disassembly and assembly of the main transformer. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0030] Figure 2 This is a partial structural diagram of an embodiment of this application;

[0031] Figure 3 This is a schematic diagram of the track body in an embodiment of this application;

[0032] Figure 4 This is a schematic diagram of a partial track structure in an embodiment of this application;

[0033] Figure 5 This is a partial structural diagram of the disassembly and assembly mechanism in an embodiment of this application;

[0034] Reference numerals: 1. First track; 101. Track body; 102. Limiting hole; 103. Slot; 104. Plate; 2. Second track; 3. Crossbeam; 4. Assembly / disassembly mechanism; 41. Lifting assembly; 42. Connecting assembly; 401. Base plate; 402. T-shaped block; 403. Limiting block; 404. First lifting block; 405. First positioning hole; 406. T-shaped slot; 407. Lifting hole; 408. Second lifting block; 409. First screw; 411. First connecting plate; 412. Inner T-shaped slider; 413. Second positioning hole; 414. Second connecting plate; 415. Second screw; 416. Support crossbar. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0036] This application discloses a quick-release guide rail device for the main transformer of an electric locomotive.

[0037] Please see Figure 1 The quick disassembly and assembly guide rail device for the main transformer of electric locomotive includes a first rail 1, a second rail 2 and a crossbeam 3. The first rail 1 is fixedly connected to the crossbeam 3 by bolts. The first rail 1 and the second rail 2 are symmetrically arranged with the crossbeam 3 as the center. A disassembly and assembly mechanism 4 is provided on one side of both the first rail 1 and the second rail 2.

[0038] Please see Figures 2 to 5 The first track 1 and the second track 2 both include a track body 101, a slot 103 and a plate 104. The track body 101 is composed of a base, a support plate fixedly installed on the top of the base and a slide rail on the top of the support plate. Slots 103 are provided on both the left and right sides of the base of the track body 101, and plates 104 are fixedly connected to both the left and right sides of the slide rail of the track body 101.

[0039] The first track 1 and the second track 2 also include limiting holes 102. The limiting holes 102 are both opened on one side of the support plate of the track body 101, and the limiting holes 102 are respectively fixedly sleeved with the first screw 409 inside the hoisting assembly 41 and the second screw 415 inside the connecting assembly 42.

[0040] The first track 1 and the second track 2 are both composed of multiple track bodies 101 spliced ​​together along the axial direction. Adjacent track bodies 101 are interlocked through the cooperation of slots 103, plates 104 and connecting components 42.

[0041] At least two sets of symmetrically distributed limiting holes 102 are provided at the splice of adjacent track bodies 101. The axis of the limiting hole 102 is perpendicular to the extension direction of the slide rail of the track body 101, and tie bolts for fixing the adjacent track bodies 101 are inserted in the limiting hole 102.

[0042] The disassembly and assembly mechanism 4 includes a hoisting assembly 41 for hoisting the track body 101 and a connecting assembly 42 for connecting the track body 101. Both the hoisting assembly 41 and the connecting assembly 42 include a base plate 401, a T-shaped locking block 402 and a limiting block 403. The base plate 401 is fixedly installed at the bottom of the track body 101. T-shaped locking blocks 402 are fixedly connected to both the left and right sides of the base plate 401. Limiting blocks 403 are also fixedly installed on both the left and right sides of the base plate 401. The limiting blocks 403 are movably locked between the locking plate 104 and the support plate of the track body 101.

[0043] The cross-section of the card plate 104 is an inverted L-shaped structure. Its horizontal part is fixedly connected to the slide rail side wall of the track body 101, and its vertical part extends downward to form a guide surface that cooperates with the limiting block 403.

[0044] The hoisting assembly 41 includes a first hoisting block 404, a first positioning hole 405, a T-shaped slot 406, a hoisting hole 407, a second hoisting block 408, and a first screw 409. The bottom of the first hoisting block 404 is provided with a T-shaped slot 406. The first hoisting block 404 is movably sleeved on one side of the T-shaped block 402 through the T-shaped slot 406. The first positioning hole 405 and the hoisting hole 407 are provided through one side of the first hoisting block 404. The first hoisting block 404 and the second hoisting block 408 are symmetrically arranged with the track body 101 as the center. The first screw 409 is fixedly connected to one side of the second hoisting block 408. The first screw 409 passes through the first positioning hole 405 on one side of the first hoisting block 404, and the part of the first screw 409 extending out of the first positioning hole 405 is threadedly sleeved with a nut.

[0045] The connecting assembly 42 includes a first connecting plate 411, an inner T-shaped slider 412, a second positioning hole 413, a second connecting plate 414, a second screw 415, and a support crossbar 416. The first connecting plate 411 is movably sleeved on one side of the T-shaped block 402 via the inner T-shaped slider 412. The inner T-shaped slider 412 is opened through one side of the first connecting plate 411. The second positioning hole 413 is opened through one side of the first connecting plate 411. The first connecting plate 411 and the second connecting plate 414 are symmetrically arranged with the track body 101 as the center. The second screw 415 is fixedly connected to one side of the second connecting plate 414. The second screw 415 passes through the second positioning hole 413, and the part of the second screw 415 extending out of the second positioning hole 413 is threadedly sleeved with a nut. The connecting assembly 42 is symmetrically arranged with the support crossbar 416 as the center. The support crossbar 416 is fixedly installed on one side of the second connecting plate 414.

[0046] The two ends of the support crossbar 416 are provided with inclined reinforcing ribs that are connected to the second connecting plate 414, and the axial direction of the support crossbar 416 is arranged spatially perpendicular to the extension direction of the slide rail of the track body 101.

[0047] The sliding direction of the inner T-shaped slider 412 is perpendicular to the extension direction of the slide rail of the track body 101.

[0048] Further explanation is needed: the disassembly and assembly mechanism 4, as the core component of the quick disassembly and assembly guide rail device for the main transformer of the electric locomotive, includes a hoisting assembly 41 and a connecting assembly 42, which respectively realize the functions of convenient hoisting and stable splicing of the track body 101. The hoisting assembly 41 slides into the T-shaped slot 406 of the first hoisting block 404 via a T-shaped locking block 402 on the base plate 401. This, combined with the threaded connection between the first screw 409, the first positioning hole 405, and the nut, allows the symmetrically arranged first hoisting block 404 and second hoisting block 408 to quickly clamp the T-shaped locking blocks 402 on both sides of the track body 101, achieving the positioning and fixation of the hoisting assembly 41. This provides a stable force support point for the hoisting of the track body 101, ensuring stability during the hoisting process. With balanced force distribution, the ease and safety of disassembly and assembly operations are improved. The connecting component 42 slides with the T-shaped slider 412 and T-shaped locking block 402 of the first connecting plate 411, and is connected by the threaded connection of the second screw 415 through the second positioning hole 413. This allows the first connecting plate 411 and the second connecting plate 414 to clamp the T-shaped locking block 402 of the adjacent track body 101. With the support crossbar 416 and its inclined reinforcing rib, the interlocking connection and structural reinforcement of multiple track bodies 101 are achieved. This design not only solves the problem of the stability of the splicing of track bodies 101, but also meets the assembly requirements of guide rails of different lengths through modular splicing. This ensures the overall structural stability of the guide rail device during the disassembly and assembly of the main transformer, effectively improving the efficiency of disassembly and assembly and reducing the difficulty of operation.

[0049] The implementation principle of the quick-release guide rail device for the main transformer of the electric locomotive in this application embodiment is as follows:

[0050] First, the equipment is symmetrically set with the first track 1 and the second track 2 around the crossbeam 3. The two are fixedly connected to the crossbeam 3 by bolts to form a stable support frame. The track body 101 consists of a base, a support plate and a slide rail. The slots 103 on both sides of the base and the slots 104 on both sides of the slide rail provide a basic interface for the subsequent installation of the track splicing and disassembly mechanism 4, ensuring the positioning accuracy and connection strength of the track body 101 on the crossbeam 3.

[0051] Secondly, the hoisting assembly 41 is fixed to the bottom of the track body 101 by the base plate 401. The T-shaped locking blocks 402 on both sides of the assembly slide and engage with the T-shaped locking slots 406 of the first hoisting block 404 to achieve rapid alignment of the hoisting blocks. The symmetrically arranged first hoisting block 404 and second hoisting block 408 pass through the first positioning hole 405 through the first screw 409 and are connected to the nut to clamp the T-shaped locking blocks 402 on both sides of the track body 101, forming a stable hoisting fulcrum. This structure ensures that the track body 101 is subjected to balanced force during hoisting, avoiding tilting or shaking, and providing a reliable force foundation for subsequent installation or disassembly.

[0052] Next, when multiple track bodies 101 need to be spliced ​​along the axial direction, the slots 103 and plates 104 of adjacent tracks are initially engaged to form a guide and position. The first connecting plate 411 of the connecting component 42 is sleeved on the T-shaped block 402 through the inner T-shaped slider 412, and is locked with the symmetrically arranged second connecting plate 414 through the second screw 415 through the second positioning hole 413, thus clamping and fixing the T-shaped blocks 402 of the adjacent tracks. The support crossbar 416 and its inclined reinforcing ribs further enhance the deformation resistance of the splice, so that multiple track segments form a continuous and stable whole, meeting the flexible combination requirements of guide rail length under different disassembly and assembly scenarios.

[0053] Next, after the guide rail device is installed and debugged, the main transformer moves along the extension direction of the guide rail by cooperating with the slide rail of the track body 101 through its own rollers or sliding mechanism. The limiting block 403 of the disassembly and assembly mechanism 4 is engaged between the clamping plate 104 and the support plate to form a lateral limit on the track body 101, preventing the slide rail from shifting when under force. The hoisting component 41 can assist in the hoisting and positioning of the main transformer when necessary, and the connecting component 42 ensures the structural stability of the track under heavy load, so that the main transformer can move safely and smoothly along the guide rail to the designated position.

[0054] Finally, when it is necessary to disassemble the main transformer or guide rail device, the screw and nut structure of the hoisting component 41 and the connecting component 42 are reversed to release the clamping force. The hoisting component 41 can quickly separate the rail body 101 from the hoisting equipment, and the connecting component 42 loosens the connection between adjacent rails. Using the guiding structure of the slot 103 and the plate 104, the rail body 101 can be quickly disassembled. The whole process avoids the cumbersome steps of traditional disassembly and assembly methods through modular design and precise cooperation between components, significantly improving the efficiency and safety of main transformer disassembly and assembly, and reducing the intensity of manual operation and time costs.

[0055] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A quick-release guide rail device for the main transformer of an electric locomotive, comprising a first rail (1), a second rail (2), and a crossbeam (3), characterized in that: The first track (1) is fixedly connected to the crossbeam (3) by bolts. The first track (1) and the second track (2) are symmetrically arranged with the crossbeam (3) as the center. The first track (1) and the second track (2) are each provided with a disassembly and assembly mechanism (4) on one side. The first track (1) and the second track (2) both include a track body (101), a slot (103) and a plate (104). The track body (101) consists of a base, a support plate fixedly installed on the top of the base, and a slide rail on the top of the support plate. Slots (103) are provided on both the left and right sides of the base of the track body (101), and plates (104) are fixedly connected to both the left and right sides of the slide rail of the track body (101). The disassembly and assembly mechanism (4) includes a hoisting assembly (41) for hoisting the track body (101) and a connecting assembly (42) for connecting the track body (101). Both the hoisting assembly (41) and the connecting assembly (42) include a base plate (401), a T-shaped locking block (402), and a limiting block (403). The base plate (401) is fixedly installed at the bottom of the track body (101). T-shaped locking blocks (402) are fixedly connected to both the left and right sides of the base plate (401). Limiting blocks (403) are also fixedly installed on both the left and right sides of the base plate (401). The limiting blocks (403) are movably locked between the locking plate (104) and the support plate of the track body (101).

2. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 1, characterized in that: The hoisting assembly (41) includes a first hoisting block (404), a first positioning hole (405), a T-shaped slot (406), a hoisting hole (407), a second hoisting block (408), and a first screw (409). The bottom of the first hoisting block (404) is provided with a T-shaped slot (406). The first hoisting block (404) is movably sleeved on one side of the T-shaped block (402) through the T-shaped slot (406). One side of the first hoisting block (404) has a through-hole. It has a first positioning hole (405) and a lifting hole (407). The first lifting block (404) and the second lifting block (408) are symmetrically arranged with the track body (101) as the center. A first screw (409) is fixedly connected to one side of the second lifting block (408). The first screw (409) passes through the first positioning hole (405) on one side of the first lifting block (404), and the part of the first screw (409) extending out of the first positioning hole (405) is threadedly connected to the nut.

3. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 1, characterized in that: The connecting assembly (42) includes a first connecting plate (411), an inner T-shaped slider (412), a second positioning hole (413), a second connecting plate (414), a second screw (415), and a support crossbar (416). The first connecting plate (411) is movably sleeved on one side of the T-shaped block (402) via the inner T-shaped slider (412). The inner T-shaped slider (412) is opened through one side of the first connecting plate (411), and the second positioning hole (413) is opened through one side of the first connecting plate (411). A connecting plate (411) and a second connecting plate (414) are symmetrically arranged with the track body (101) as the center. A second screw (415) is fixedly connected to one side of the second connecting plate (414). The second screw (415) passes through the second positioning hole (413), and the part of the second screw (415) extending out of the second positioning hole (413) is threadedly sleeved with a nut. The connecting assembly (42) is symmetrically arranged with the support crossbar (416) as the center. The support crossbar (416) is fixedly installed on one side of the second connecting plate (414).

4. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 2, characterized in that: The first track (1) and the second track (2) also include limiting holes (102). The limiting holes (102) are all opened on one side of the support plate of the track body (101), and the limiting holes (102) are fixedly sleeved with the first screw (409) inside the hoisting assembly (41) and the second screw (415) inside the connecting assembly (42), respectively.

5. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 1, characterized in that: The first track (1) and the second track (2) are both composed of multiple track bodies (101) spliced ​​together along the axial direction. Adjacent track bodies (101) are interlocked through the cooperation of slots (103), plates (104) and connecting components (42).

6. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 5, characterized in that: At least two sets of symmetrically distributed limiting holes (102) are provided at the splice of the adjacent track bodies (101). The axis of the limiting hole (102) is perpendicular to the extension direction of the slide rail of the track body (101), and tie bolts for fixing the adjacent track bodies (101) are inserted in the limiting hole (102).

7. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 3, characterized in that: The two ends of the support crossbar (416) are provided with inclined reinforcing ribs that are connected to the second connecting plate (414), and the axial direction of the support crossbar (416) is arranged in a spatially perpendicular manner to the extension direction of the slide rail of the track body (101).

8. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 1, characterized in that: The cross-section of the card plate (104) is an inverted L-shaped structure. Its horizontal part is fixedly connected to the slide rail side wall of the track body (101), and its vertical part extends downward to form a guide surface that cooperates with the limiting block (403).

9. The quick-release guide rail device for the main transformer of an electric locomotive according to claim 3, characterized in that: The sliding direction of the inner T-shaped slider (412) is perpendicular to the extension direction of the slide rail of the track body (101).

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