Railway track circuit outdoor early warning device
The device stabilizes the connection between the track circuit power receiving end plug and voltage sensor using a limiting roller and connecting springs, ensuring stability and protection from environmental factors, thus enhancing maintenance convenience and extending the module's life.
Patent Information
- Application Number
- CN202420851241.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The outdoor early warning devices for railway track circuits experience instability in the connection with voltage sensors due to exposure, necessitating frequent maintenance.
The device incorporates a limiting roller and connecting springs to stabilize the connection between the track circuit power receiving end plug and the voltage sensor, while insulating contact blocks and guide sliders ensure the module's stability and ease of maintenance, protecting it from moisture.
The solution enhances the stability of the connection, prevents plug disconnection, and protects the module from environmental factors, improving maintenance convenience and extending its service life.
Smart Images

Figure CN222202555U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of railway track circuits, in particular to an outdoor early warning device for railway track circuits. Background Art
[0002] Track circuits are the key factor in determining whether the track section where the train is located is occupied. Track circuits can be used to automatically detect the location of trains and vehicles and control the display of signal machines. With track circuits, ground information can be transmitted to trains to control the safe operation of trains. Track circuits play a very important role in railway operations.
[0003] In the prior art, the outdoor early warning device for railway track circuits needs to connect the voltage sensor to the lead-in terminal plug during use. Monitoring the voltage at the receiving end is the focus of the daily work of the railway electrical department. However, since the device is often set outdoors, this leads to instability at the connection with the voltage sensor of the early warning device, resulting in the need for frequent maintenance.
[0004] After searching, it is found that a Chinese patent document discloses an outdoor early warning device for railway track circuit (publication number: CN218519684U), but it still has the following defects:
[0005] Although the above-mentioned railway track circuit outdoor early warning device realizes real-time monitoring of the outdoor voltage status of the track circuit, it can replace the current operation and maintenance method of manually monitoring the voltage status of the track circuit, reduce the workload of maintenance personnel, and issue alarms in time to facilitate accurate maintenance. However, it still has the problem that since the device is often set outdoors, there is instability in the connection with the voltage sensor of the early warning device, which leads to the need for frequent maintenance. Utility Model Content
[0006] In order to solve the problems raised in the above background technology, the utility model provides an outdoor early warning device for a railway track circuit, which has the advantages that the connection of the voltage sensor is sufficiently stable and has a protection function.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outdoor early warning device for a railway track circuit, comprising an installation shell, characterized in that: a railway track circuit early warning module is arranged inside the installation shell, the railway track circuit early warning modules are all penetrated through the inner side wall of the installation shell through lines, and are connected to voltage sensors, the voltage sensors are all installed on the outer side walls of the lead wire clamps, the lead wire clamps are symmetrically installed on the outer walls on both sides of the installation shell, and the outer walls on both sides of the installation shell are symmetrically installed with side plates, the side plates are penetrated and installed with guide sleeves, and one end of the guide sleeve is movably connected with a guide sleeve rod inside, the other end of the guide sleeve rod is connected to the mounting frame, and a limiting roller is arranged inside the mounting frame, the bottom end of the limiting roller is movably connected to the inner bottom end of the mounting frame, and the top end of the limiting roller is fixedly connected to the inner side wall of the second damping bearing through a connecting shaft, the second damping bearing is installed on the inner top of the mounting frame, and a connecting spring is symmetrically installed on the outer wall of one side of the mounting frame, and the other end of the connecting spring is connected to the side plate.
[0008] Preferably, the top of the railway track circuit warning module is in contact with four insulating contact blocks, and the tops of the four insulating contact blocks are connected to the bottom end of the connecting block, and the other bottom end of the connecting block is connected to the inner wall of the first damping bearing through a connecting shaft.
[0009] Preferably, the outer wall of the first damping bearing is connected to the top of the placement plate, a connecting spring is installed at the bottom end of the placement plate, and the bottom end of the connecting spring is connected to the top of the base, a guide cavity is symmetrically installed at the top of the base, and the top of the guide cavity is movably connected to a guide plate connected to the bottom end of the placement plate.
[0010] Preferably, guide sliders are installed on both sides of the placement plate, and the guide sliders are movably connected inside the guide slots. The guide slots are symmetrically installed on the inner walls of both sides of the installation shell, and the top of the installation shell is hinged with a shell cover plate through a hinge.
[0011] Preferably, a mounting sleeve is installed through the top of the lead wire fixture, and a connecting spring is installed at the inner top of the mounting sleeve, and the bottom end of the connecting spring is connected to the top of the extension sleeve rod, and an insulating stabilizing block is installed at the bottom end of the extension sleeve rod.
[0012] Preferably, a clamping block is installed on one side outer wall of the installation shell, and the clamping block is clamped to the top inner part of the clamping slot, and four fixing ears are installed on one side outer wall of the clamping slot.
[0013] Preferably, a movable sleeve is installed at the bottom end of the engaging groove, and a latch is movably connected inside the movable sleeve, one end of the latch is plugged into the inside of the slot, and the slot is penetrated and opened inside the engaging block.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] 1. The utility model limits the connected track circuit power receiving end plug by a limiting roller to ensure the stability of the connection between the track circuit power receiving end plug and the voltage sensor. At the same time, the limiting roller is subjected to the potential energy of the connection spring, so it has a certain pressure and can limit track circuit power receiving end plugs of different sizes. In this way, the device has no limitations during use and has good stability, avoiding the instability caused by the falling off of the track circuit power receiving end plug.
[0016] 2. The utility model is provided with a connecting spring, so that during use, the potential energy generated by the connecting spring ensures that the railway track circuit warning module placed on the placement plate is always above the installation shell, so that it is convenient to remove the placement plate connected to the railway track circuit warning module during maintenance, and the railway track circuit warning module will not be affected by factors such as moisture during daily monitoring, thereby improving the service life of the railway track circuit warning module, and effectively avoiding the problem of damage to the railway track circuit warning module caused by factors such as humid gas due to the contact between the railway track circuit warning module and the installation shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the assembled parts of the housing, the railway track circuit warning module, the placement plate and the housing cover plate installed in the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the combined parts of the side plate, the mounting frame and the limiting roller in the utility model;
[0020] Figure 4 It is a schematic diagram of the structure of the combined parts of the installation sleeve, the connecting spring, the extension sleeve rod and the insulating and stabilizing block in the utility model;
[0021] Figure 5 It is a schematic diagram of the combined parts structure of the engaging block and the engaging groove in the utility model.
[0022] In the figure: 1. Installation shell; 2. Railway track circuit warning module; 3. Insulation resistance block; 4. Connection block; 5. First damping bearing; 6. Placement plate; 7. Connection spring; 8. Base; 9. Guide cavity; 10. Guide plate; 11. Guide slider; 12. Guide slide groove; 13. Shell cover; 14. Lead wire fixture; 15. Side plate; 16. Guide sleeve; 17. Guide sleeve rod; 18. Mounting frame; 19. Limit roller; 20. Second damping bearing; 21. Connection spring; 22. Installation sleeve; 23. Connection spring; 24. Extension sleeve rod; 25. Insulation stabilization block; 26. Engagement block; 27. Engagement groove; 28. Fixing ear; 29. Movable sleeve; 30. Pin; 31. Slot. DETAILED DESCRIPTION
[0023] 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 in 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.
[0024] like Figures 1 to 5 As shown, the utility model provides an outdoor early warning device for a railway track circuit, including an installation shell 1, the top of the installation shell 1 is hinged with a shell cover plate 13 through a hinge, the interior of the installation shell 1 is movably connected with a placement plate 6, both side outer walls of the installation shell 1 are fixedly connected with lead wire clamps 14, and one end of the lead wire clamps 14 begins to have a plug-in cavity with a "U"-shaped structure, and a railway track circuit early warning module 2 is placed on the top of the placement plate 6, the railway track circuit early warning module 2 is electrically connected to the voltage sensor through a line, and the voltage sensors are fixedly connected to the inner bottom of the plug-in cavity, and the model of the voltage sensor is DVL-500.
[0025] The outer walls on both sides of the mounting shell 1 are symmetrically fixedly connected with side plates 15, and the outer side wall of one side of the side plate 15 is symmetrically fixedly connected with a connecting spring 21, the other end of the connecting spring 21 is fixedly connected to the outer wall of one side of the mounting frame 18, and the inner two ends of the mounting frame 18 are movably connected with a limiting roller 19, and the limiting roller 19 is set with an insulating material structure.
[0026] One end of the limiting roller 19 is movably connected to the inner bottom end of the mounting frame 18 through a connecting shaft, and the other end of the limiting roller 19 is fixedly connected to the inner wall of the second damping bearing 20 fixedly connected to the inner bottom end of the mounting frame 18. The railway track circuit early warning module 2 is set, so that during use, the railway track circuit early warning module 2 cooperates with the lead-in wire clamp 14 and the voltage sensor to monitor the connected track circuit power receiving end plug in real time, and when the track circuit power receiving end plug is connected, the connected track circuit power receiving end plug is limited by the limiting roller 19 to ensure the stability of the connection between the track circuit power receiving end plug and the voltage sensor. At the same time, the limiting roller 19 is subjected to the potential energy of the connecting spring 21, so that it has a certain pressure and can limit track circuit power receiving end plugs of different sizes.
[0027] Specifically, a guide sleeve rod 17 is fixedly connected to the middle of the outer wall of one side of the mounting frame 18, and the other end of the guide sleeve rod 17 is movably connected to the inside of one end of the guide sleeve 16. One end of the guide sleeve 16 passes through the fixed side plate 15, and the end face of the guide sleeve 16 is flush with the surface of the side plate 15. The guide structure formed by the guide sleeve 16 and the guide sleeve rod 17 makes the mounting frame 18 and the limiting roller 19 movably connected inside the mounting frame 18 more stable during adjustment and use.
[0028] Furthermore, four first damping bearings 5 are symmetrically fixedly connected to the top of the placement plate 6, and the inner side walls of the first damping bearings 5 are fixedly connected to the bottom end of the connecting block 4 through a connecting shaft, and the other bottom end of the connecting block 4 is fixedly connected to an insulating contact block 3, and the bottom end of the insulating contact block 3 is in conflict with the top of the railway track circuit early warning module 2. By setting the insulating contact block 3, the top of the railway track circuit early warning module 2 can be limited by the insulating contact block 3 during use, and the connecting block 4 can be movably adjusted by the first damping bearing 5, thereby facilitating the maintenance of the railway track circuit early warning module 2.
[0029] Furthermore, both sides of the placement plate 6 are fixedly connected with guide sliders 11 with a "convex" structure, and the guide sliders 11 are movably connected to the inside of the guide slide grooves 12 with the "convex" structure on the inner wall, and the guide slide grooves 12 are symmetrically fixedly connected to the inner walls of the installation shell 1 on both sides, and the inner bottom end of the installation shell 1 is fixedly connected with a base 8, the top of the base 8 is fixedly connected to the bottom end of the connecting spring 7, and the top of the connecting spring 7 is fixedly connected to the bottom end of the placement plate 6, and both sides of the bottom end of the placement plate 6 are fixedly connected with guide plates 10 with a rectangular structure, and the bottom end of the guide plate 10 is movably connected to the inside of the guide cavity 9, and the guide cavity 9 is symmetrically fixedly connected to the top of the base 8, through the setting of the connecting spring 7, so that during use, the elastic potential energy generated upward by the connecting spring 7 makes the railway track circuit early warning module 2 placed on the placement plate 6 always above the installation shell 1, so that during the maintenance process, it is convenient to remove the placement plate 6 connected with the railway track circuit early warning module 2, and during the daily monitoring process, the railway track circuit early warning module 2 will not be affected by factors such as moisture.
[0030] It is worth mentioning that the top of the lead-in wire clamp 14 is fixedly connected with the mounting sleeve 22, and the bottom end of the mounting sleeve 22 is movably connected with the extension sleeve rod 24, the bottom end of the extension sleeve rod 24 is fixedly connected to the top of the insulating stabilizing block 25, and the top end of the extension sleeve rod 24 is fixedly connected to the bottom end of the connecting spring 23, and the top end of the connecting spring 23 is fixedly connected to the inner top end of the mounting sleeve 22. Through the potential energy generated by the setting of the connecting spring 23, the extension sleeve rod 24 and the insulating stabilizing block 25 are moved downward to contact the top end of the track circuit receiving end plug, so that the connection between the track circuit receiving end plug and the voltage sensor is more stable.
[0031] It is worth noting that a snap block 26 with a "U"-shaped structure is fixedly connected to the outer wall of one side of the installation shell 1, and one end of the snap block 26 is snapped into the top inner part of the snap groove 27, and four fixing ears 28 for fixing the entire device are fixedly connected to the outer wall of one side of the snap groove 27, and the fixing ears 28 are set in an "L"-shaped structure. Through the provided snap block 26 and the snap groove 27, the snap block 26 and the snap groove 27 can be matched to connect the installation shell 1 and other components, so that the installation shell 1 can be quickly separated, which is more convenient during maintenance.
[0032] It is worth mentioning that a slot 31 is provided inside the bottom of one end of the locking block 26, and a pin 30 is inserted into the slot 31. One end of the pin 30 is movably connected to the inside of the movable sleeve 29, and the movable sleeve 29 is fixedly connected to the bottom of the locking groove 27. Through the provision of the pin 30, during use, the pin 30 is inserted into the inside of the slot 31, thereby limiting and fixing the device again, thereby improving the stability of the device during use.
[0033] Principle and process of this utility model:
[0034] First, the fixing ear 28 cooperates with the fixing bolt to limit and fix the engaging groove 27, and then the engaging block 26 and the engaging groove 27 are arranged, so that the engaging block 26 and the engaging groove 27 cooperate to connect the installation housing 1 and other parts, so that the installation housing 1 can be quickly separated, and after the connection, the latch 30 is inserted into the inside of the slot 31, so as to limit and fix again;
[0035] Secondly, the railway track circuit early warning module 2 is set up, so that during use, the railway track circuit early warning module 2 cooperates with the lead wire fixture 14 and the voltage sensor to monitor the connected track circuit power receiving end plug in real time, and when the track circuit power receiving end plug is connected, the connected track circuit power receiving end plug is limited by the limiting roller 19 to ensure the stability of the connection between the track circuit power receiving end plug and the voltage sensor, and at the same time, the limiting roller 19 is subjected to the potential energy of the connection spring 21, so as to have a certain pressure;
[0036] Then, the potential energy generated by the connection spring 23 is used to move downward, so that the extension sleeve 24 and the insulating stabilizing block 25 move downward to contact the top of the track circuit receiving end plug, so that the connection between the track circuit receiving end plug and the voltage sensor is more stable;
[0037] Finally, by setting the connecting spring 7, the potential energy generated by the connecting spring 7 during use makes the railway track circuit warning module 2 placed on the placement plate 6 always above the installation shell 1, so that during the maintenance process, it is convenient to remove the placement plate 6 connected with the railway track circuit warning module 2, and during the daily monitoring process, the railway track circuit warning module 2 will not be affected by factors such as moisture, thereby improving the service life of the railway track circuit warning module 2, and by setting the insulating contact block 3, the top of the railway track circuit warning module 2 is limited by the insulating contact block 3 during use, and the connecting block 4 can be movably adjusted by the first damping bearing 5, so as to facilitate the maintenance of the railway track circuit warning module 2. In this way, an outdoor warning device for the railway track circuit is completed.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0039] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A railway track circuit outdoor warning device, comprising a mounting housing (1), Features: The installation shell (1) is provided with a railway track circuit warning module (2) inside. The railway track circuit warning module (2) is penetrated through the inner wall of the installation shell (1) through a line and is connected to a voltage sensor. The voltage sensors are installed on the outer wall of a lead wire clamp (14). The lead wire clamp (14) is symmetrically installed on the outer walls of both sides of the installation shell (1). The outer walls of both sides of the installation shell (1) are symmetrically installed with side plates (15). The side plates (15) are penetrated and installed with a guide sleeve (16), and one end of the guide sleeve (16) is movably connected to the inside of the guide sleeve The guide sleeve rod (17) is connected to a mounting frame (18) at the other end thereof, and a limiting roller (19) is arranged inside the mounting frame (18), the bottom end of the limiting roller (19) is movably connected to the bottom end of the inside of the mounting frame (18), and the top end of the limiting roller (19) is fixedly connected to the inner side wall of a second damping bearing (20) through a connecting shaft, the second damping bearing (20) is mounted on the inner top end of the mounting frame (18), and a connecting spring (21) is symmetrically installed on one side outer wall of the mounting frame (18), and the other end of the connecting spring (21) is connected to the side plate (15).
2. The outdoor early warning device for railway track circuit according to claim 1, Features: The top end of the railway track circuit warning module (2) contacts four insulating contact blocks (3), and the top ends of the four insulating contact blocks (3) are connected to the bottom end of a connecting block (4), and the bottom end of the other end of the connecting block (4) is connected to the inner side wall of the first damping bearing (5) via a connecting shaft.
3. The outdoor early warning device for railway track circuit according to claim 2, Features: The outer wall of the first damping bearing (5) is connected to the top of the placement plate (6), the bottom end of the placement plate (6) is equipped with a connecting spring (7), and the bottom end of the connecting spring (7) is connected to the top of the base (8), the top of the base (8) is symmetrically equipped with a guide cavity (9), and the top of the guide cavity (9) is movably connected to a guide plate (10) connected to the bottom end of the placement plate (6).
4. The outdoor early warning device for railway track circuit according to claim 3, Features: Guide slide blocks (11) are installed on both sides of the placement plate (6), and the guide slide blocks (11) are movably connected to the inside of the guide slide groove (12). The guide slide groove (12) is symmetrically installed on the inner walls of the installation shell (1) on both sides, and the top of the installation shell (1) is hinged with a shell cover plate (13) through a hinge.
5. The outdoor early warning device for railway track circuit according to claim 1, Features: A mounting sleeve (22) is installed through the top of the lead wire fixture (14), and a connecting spring (23) is installed at the inner top of the mounting sleeve (22), and the bottom end of the connecting spring (23) is connected to the top of an extension sleeve rod (24), and an insulating stabilizing block (25) is installed at the bottom end of the extension sleeve rod (24).
6. The outdoor early warning device for railway track circuit according to claim 1, Features: A snap-fit block (26) is installed on one side outer wall of the installation shell (1), and the snap-fit block (26) is snapped into the top inner part of the snap-fit groove (27), and four fixing ears (28) are installed on one side outer wall of the snap-fit groove (27).
7. The outdoor early warning device for railway track circuit according to claim 6, Features: A movable sleeve (29) is installed at the bottom end of the engaging groove (27), and a latch (30) is movably connected inside the movable sleeve (29), one end of the latch (30) is plugged into the inside of a slot (31), and the slot (31) is penetrated and opened inside the engaging block (26).
Citation Information
Patent Citations
Railway track circuit outdoor early warning device
CN218519684U
