Monitoring device for sealing force of HRS external locking turnout switch rail

Abstract

The utility model discloses an HRS external locking turnout switch rail close attaching force monitoring device which comprises a force measuring roller connected to two clamping plates of an HRS external locking device in a penetrating and sleeving mode, the force measuring roller comprises a rolling ring, and the rolling ring is arranged on the outer side of a lubricating ring in a penetrating and sleeving mode; the force measuring mechanism is sleeved with the lubricating ring in a penetrating mode; a sensor is arranged in the middle of the force measuring mechanism, and the sensor is located in the lubricating ring; and the free end of the force measuring mechanism is limited and fixed on the corresponding clamping plate through a fixing piece. According to the utility model, a layered roller force measurement mode is adopted, the inner layer is used for fixing the force measurement shaft, the outer layer rolling sleeve and the middle layer anti-attrition lubricating layer are adopted, so that the influence of rolling friction on force measurement in the turnout switch rail switching process is solved, the roller at the preset stress position is directly replaced, the assembly and disassembly are convenient, and the test result is convenient to read; and the operation and maintenance efficiency is obviously improved.

Description

Technical Field

[0001] This utility model relates to the field of rail transit safety, specifically to a monitoring device for the contact force of the switch rail of an HRS externally locked turnout, applicable to the monitoring device for the contact force of the switch rail of an HRS externally locked turnout. Background Technology

[0002] Generally, railway trains need to switch to different tracks during operation and when entering or leaving stations. These track switching points are equipped with turnouts, which are moved from one position to another by a switch machine, thus enabling the train to change tracks. A locking device is installed between the switch's switch rail and the stock rail. After the switch machine drives the switch rail into position, the locking device locks the switch rail and stock rail together, ensuring safe train operation. Once locked, the switch rail is tightly pressed against the stock rail.

[0003] The switch rail is an important component of the turnout switch. When the switch rail and the stock rail are in close contact, the train can travel through the switch. Moving the switch rail changes the contact between the switch rail and the stock rail, thus changing the direction of travel of the switch rail.

[0004] The tightness of the turnout switch rail fit describes the degree of connection between the turnout and the stock rail. It is a key factor affecting train operation and transportation efficiency, and a crucial aspect of turnout switch rail maintenance. Railway maintenance personnel typically conduct periodic checks of the turnout switch rail fit during track maintenance windows. This involves placing a metal plate of a specified size between the switch rail and the stock rail and observing the status of each component when the turnout is moved. This method is inefficient, untimely, and lacks a clear visual representation, failing to provide timely information on the fit and lacking an effective means of directly quantifying the degree of turnout switch rail fit. Therefore, the fit and tension of the turnout switch rail are crucial for its normal operation and are also important factors affecting safe train operation.

[0005] Existing devices for measuring adhesion force measure the force by clamping the testing device between gaps in the existing structure, but this method still has the following problems:

[0006] On the one hand, the installation location of the device is limited, and it needs to be able to detect accurate force feedback. Existing technologies use existing gaps or slots to install the contact force testing device in the designated position, which is complicated to operate and requires high precision in slotting, requiring the surface to be flat and not skewed.

[0007] On the other hand, the installation and dismantling process is quite complicated and time-consuming, increasing the workload of operators. In short, it is often very inconvenient.

[0008] Therefore, the key to solving the above-mentioned technical problems lies in the need for a turnout switch rail contact force monitoring device suitable for HRS external locking devices. Summary of the Invention

[0009] To address the numerous defects and shortcomings in the aforementioned background technology, this utility model has made improvements and innovations, aiming to provide a monitoring device for the contact force of the HRS external locking turnout switch rail. By designing a force-measuring roller with a size basically consistent with the standard part, it replaces the original roller. In use, only the original roller needs to be disassembled and replaced with the force-measuring roller. Compared with the original, by using a metal plate of a specified size to clamp between the switch rail and the stock rail, the status of each device when the turnout is turned is judged more quickly and accurately, and the contact status information can be obtained in a timely manner.

[0010] Another objective of this invention is to solve the problem of the influence of rolling friction of the HRS external locking roller on the force measurement during the switch point rail switching process by setting a layered roller force measurement method. This method uses a sensor on the inner connecting shaft, an outer rolling sleeve, and an intermediate anti-friction lubrication layer. It can directly replace the roller at the preset force position, making installation and removal convenient and test results easy to read, which helps to improve operation and maintenance efficiency.

[0011] To solve the above problems and achieve the objectives of the invention, this utility model provides a monitoring device for the contact force of the HRS external locking turnout switch points by adopting the following design structure and the following technical solution:

[0012] A monitoring device for the contact force of the switch point rail of an HRS external locking turnout includes a force measuring roller (1) that is sleeved and connected to two clamping plates (5) of the HRS external locking device. The force measuring roller (1) includes:

[0013] Rolling ring (2), which is sleeved on the outside of lubrication ring (3);

[0014] Lubricating ring (3) is fitted onto force measuring mechanism (4);

[0015] A force measuring mechanism (4) is provided with a sensor (41) in the middle of the force measuring mechanism (4), and the sensor (41) is located inside the lubrication ring (3);

[0016] The free end of the force measuring mechanism (4) is fixed to the corresponding clamping plate (5) by a fastener (45).

[0017] Preferably, the force measuring mechanism (4) includes:

[0018] A connecting shaft (46) is provided, with an externally threaded post connected to one end of the connecting shaft (46);

[0019] Sensor (41) is connected to the middle section of the connecting shaft (46) and is in close contact with the inner wall of the lubrication ring (3);

[0020] A plug (42) is connected to the other end of the connecting shaft (46), and an interface (44) is provided on the plug (42);

[0021] Limiting mechanism (43) is symmetrically distributed on the connecting shaft (46) on both sides of the sensor (41) and is in close contact with the clamping plate (5);

[0022] Interface (44) is connected to sensor (41) and is a female connector for data transmission.

[0023] In this invention, the interface (44) and the sensor (41) are connected by a connecting line.

[0024] Preferably, the sensor (41), plug (42), limiting mechanism (43) and the central axis of the external threaded column are all on the same axis.

[0025] Preferably, the rolling ring (2) is a cylindrical structure with open ends and a hollow interior.

[0026] Preferably, the lubrication ring (3) is a cylindrical structure with open ends and a hollow interior.

[0027] Preferably, the rolling ring (2), the lubrication ring (3), and the force measuring structure (4) are coaxially connected.

[0028] Preferably, the lubricating ring (3) is in close contact with the rolling ring (2) and the sensor (41).

[0029] Preferably, the distance between the two limiting mechanisms (43) is slightly greater than the length of the lubrication ring (3).

[0030] Preferably, the data measured by the sensor (41) is connected to an external data processing device through an interface (44).

[0031] In this utility model, the sensor (41) is used to collect data, and the external data processing device has functions such as receiving data and analyzing and comparing the received data, and can also realize the display of tightness information and the prompt of pre-alarm information.

[0032] Preferably, the sensor (41) is a pressure sensor, a smart pressure sensor, or an integrated sensor.

[0033] The working principle is as follows: Before installing the HRS external locking turnout switch point rail contact force monitoring device with the above-mentioned design structure, the operator first performs a force analysis at the installation location:

[0034] There are four rollers on the clamp plate (5) of the HRS external locking device. According to the structural characteristics of the HRS external locking device, under the condition of close contact between the turnout switch rails, rollers (54) and (52) can be simplified to be subjected to only vertical force, while rollers (51) and (53) can be simplified to two components of force in mutually perpendicular directions. The horizontal component x of roller (53) can be equivalent to the contact force F. Assuming that the force measured by the force measuring roller (1) is Fc, since the contact between roller (53) and the eccentric bolt (7) of the HRS external locking device is in arc contact, the formula for calculating the contact force is as follows:

[0035] F = x = Fc * cosθ

[0036] In the formula, θ is the angle between the interaction force Fc between the roller (53) and the eccentric bolt (7) and the horizontal direction.

[0037] First, turn the switch to make the side to be replaced and measured in the repulsion state. Remove the roller (53) in the middle of the HRS external locking device clamp (5). First, put the rolling ring (2) and the lubrication ring (3) together and insert them from the middle of the clamp (5). Make the through hole in the middle of the lubrication ring (3) and the positioning hole of the roller (53) symmetrical. Use one end of the external thread column of the force measuring mechanism (4) to pass through one side of the clamp (5), the lubrication ring (3) and the other side of the clamp (5) in sequence. The limiting mechanism is tightly connected to the clamp (5). The rolling ring (2), the lubrication ring (3) and the sensor (41) in the middle of the force measuring mechanism (4) are tightly connected. Use a tool to fix one end of the plug (42) of the force measuring mechanism (4). Use a tool to tighten the fixing part 45 that is used with it at the other end of the thread column to complete the replacement work.

[0038] Then, the turnout switch is activated, and the connecting rod (9) drives the bearing (54), clamp (5), bearing (52), and bearing (51), which in turn drive the clamp (62) and connecting element (61) to bring the switch rail (12) closer to the main rail (11), thus achieving the fit between the switch rail (12) and the main rail (11).

[0039] Finally, the operator uses a data transmission line to connect one end to the preset interface (44) on the plug (42) of the force measuring mechanism (4) and the other end to the host. The host uses software that is paired with the monitoring device for the contact force of the HRS external locking turnout switch rail to monitor the contact force of the HRS external locking turnout switch rail, display and record the data information, compare the data with the preset range through the software, and if the data exceeds the preset range, the software will issue an alarm message and wait for the subsequent maintenance personnel to handle it accordingly.

[0040] After the measurement is completed, the operator closes the software, removes the data transmission cable, and waits for the next data acquisition and recording.

[0041] In summary, the beneficial effects of this utility model compared with the prior art are as follows:

[0042] 1. This utility model replaces the roller at the clamping plate in the HRS external locking structure with a force measuring roller, making the installation and disassembly process more convenient. It does not require grooving or modification of the original HRS external locking structure, ensuring that the strength of the original HRS external locking structure remains unchanged.

[0043] 2. This utility model can collect and analyze data in a timely manner by building a monitoring platform. If the data exceeds the preset range, an alarm message will be displayed.

[0044] 3. The present invention is designed with a limiting mechanism to fix the force measuring mechanism in the middle of the clamping plate. The length of the rolling ring and the lubrication ring is slightly shorter than that of the limiting mechanism, so that the force on the force measuring roller can be completely transmitted to the sensor, and the surrounding connecting parts will not cause errors in the force transmission process.

[0045] 4. In this utility model, the interface is located on the plug, which makes it convenient for operators to use the data transmission line to record and compare data. Attached Figure Description

[0046] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0047] Figure 1 This is a schematic diagram of the overall structure of the HRS external locking structure;

[0048] Figure 2 This is a schematic diagram of the HRS external locking structure.

[0049] Figure 3 This is one of the schematic diagrams showing the usage state of this utility model;

[0050] Figure 4 This is the second schematic diagram of the usage state of this utility model;

[0051] Figure 5 This is a schematic diagram of the overall structure of this utility model;

[0052] Figure 6 This is an exploded view of the overall structure of this utility model;

[0053] Figure 7 This is a cross-sectional view of the present invention;

[0054] Figure 8 This is a force analysis diagram of this utility model;

[0055] In the figure, the numbers are: 1—force measuring roller, 11—basic rail, 12—switching rail;

[0056] 2—Rolling ring;

[0057] 3—Lubricating ring;

[0058] 4—Force measuring mechanism, 41—Sensor, 42—Plug, 43—Limiting mechanism, 44—Interface, 45—Fixed component, 46—Connecting shaft;

[0059] 5—clamping plate, 51—roller, 52—roller, 53—roller, 54—roller, 55—limiting roller;

[0060] 61—Connecting element; 62—Clamping handle;

[0061] 7—Eccentric bolt;

[0062] 8—Locked frame;

[0063] 9—Connecting rod. Detailed Implementation

[0064] To make the technical means, inventive features, and achieved objectives and effects of this utility model readily understandable, the technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0065] As per the instruction manual Figure 1 To the instruction manual Figure 8 The device shown is a monitoring device for the contact force of the switch point rail of an HRS external locking turnout, including a force measuring roller 1 that is sleeved and connected to two clamping plates 5 of the HRS external locking device. The force measuring roller 1 includes:

[0066] Rolling ring 2, which is fitted onto the outside of lubrication ring 3;

[0067] Lubricating ring 3 is fitted onto force measuring mechanism 4;

[0068] Force measuring mechanism 4, with sensor 41 located in the middle of the force measuring mechanism 4 and sensor 41 located inside the lubrication ring 3;

[0069] The free end of the force measuring mechanism 4 is fixed to the corresponding clamping plate 5 by the fixing member 45.

[0070] Furthermore, the force measuring mechanism 4 includes:

[0071] Connecting shaft 46, one end of which is connected to an externally threaded post;

[0072] Sensor 41 is connected to the middle section of connecting shaft 46 and is in close contact with the inner wall of lubrication ring 3;

[0073] The plug 42 is connected to the other end of the connecting shaft 46, and the plug 42 is provided with an interface 44;

[0074] The limiting mechanism 43 is symmetrically distributed on the connecting shafts 46 on both sides of the sensor 41 and is in close contact with the clamping plate 5.

[0075] Interface 44 is connected to sensor 41 and is a female connector for data transmission.

[0076] Before use, the roller 53 in the middle of the clamping plate 5 is removed, and the lubricating ring 3 is inserted into the middle of the rolling ring 2, so that the lubricating ring 3 and the rolling ring 2 are connected as one unit. The device is placed at the position of the roller 53. One end of the external threaded column of the force measuring mechanism 4 passes through one side of the clamping plate 5, the internal through hole of the lubricating ring 3, and the other side of the clamping plate 5 in sequence. At this time, the limiting mechanism of the force measuring mechanism 4 is tightly connected to the clamping plate 5, the sensor 41 is tightly connected to the internal through hole of the lubricating ring 3, the plug 42 is located outside one side of the clamping plate 5, and the external threaded column is located outside the other side of the clamping plate 5. The device is fixed by the fastener 45 that cooperates with the external threaded column at one end of the force measuring mechanism 4.

[0077] Example 2

[0078] In this invention, interface 44 and sensor 41 are connected by a connecting cable.

[0079] Furthermore, such as Figure 7 As shown, the sensor 41, plug 42, limiting mechanism 43 and the central axis of the external threaded column are all on the same axis.

[0080] Furthermore, the rolling ring 2 is a cylindrical structure with open ends and a hollow interior.

[0081] Furthermore, the lubrication ring 3 is a cylindrical structure with open ends and a hollow interior.

[0082] Furthermore, the rolling ring 2, the lubrication ring 3, and the force measuring structure 4 are coaxially connected.

[0083] Furthermore, the lubricating ring 3 is in close contact with the rolling ring 2 and the sensor 41 through a sleeve.

[0084] Furthermore, the distance between the two limiting mechanisms 43 is slightly greater than the length of the lubrication ring 3.

[0085] In this invention, the force measuring structure 4 is fixed on the clamping plate 5, the rolling ring 2 can roll, and the intermediate lubrication ring 3 reduces friction. This design solves the problem of the rolling friction of the rollers in the HRS external locking structure affecting the test results during the switching process of the turnout switch rail 12, and improves the accuracy of the test data.

[0086] In this invention, the close contact between the rolling ring 2, the lubricating ring 3, and the force measuring mechanism 4 makes the pressure on the sensor 41 more uniform; the length of the rolling ring 2 and the lubricating ring 3 is slightly smaller than the distance between them and the limiting mechanism 43, so that when the force measuring mechanism is subjected to force, the rolling ring 2 and the lubricating ring 3 will not rub against the inner wall of the clamping plate 5 and generate a relative force that affects the accuracy of the detection results.

[0087] Example 3

[0088] This embodiment 3 is the same as embodiments 1 and 2, except that the plug 42 is equipped with a dust cap that works with the interface 44. When reading and recording data, the operator removes the dust cap, connects one end of the data transmission line to the interface 44, and connects the other end of the data transmission line to the host. The host uses software that works with the HRS external locking turnout switch rail contact force monitoring device to monitor the HRS external locking turnout switch rail contact force, display contact force information, record and store data, and compare the data with the preset contact force range in the software. If the data exceeds the preset range, an alarm message and prompt are issued.

[0089] After the measurement is completed, the operator removes one end of the data transmission cable from interface 44, and tightens the dust cap to prevent rainwater, dust, etc. from entering and damaging the force measuring mechanism, and to ensure the reliability of the next data reading.

[0090] Furthermore, the data measured by the sensor 41 is connected to an external data processing device via interface 44.

[0091] In this invention, sensor 41 is used to collect data, and external data processing equipment has functions such as receiving data and analyzing and comparing the received data, and can also realize the display of adhesion information and the prompting of pre-alarm information.

[0092] Furthermore, the sensor 41 is a pressure sensor, a smart pressure sensor, or an integrated sensor.

[0093] In summary, a more specific embodiment of this utility model is as follows:

[0094] like Figure 6 As shown, a monitoring device for the contact force of the HRS external locking turnout switch tip rail includes a rolling ring 2, a lubrication ring 3, a force measuring mechanism 4, and a clamping plate 5.

[0095] Before installation and use, the operator should first perform a stress analysis at the installation location, such as... Figure 8 As shown:

[0096] There are four rollers on the clamp plate 5 of the HRS external locking device. Based on the structural characteristics of the HRS external locking device, under the condition of close contact with the turnout switch rail, rollers 54 and 52 can be simplified to be subjected to only vertical force, while rollers 51 and 53 can be simplified to two mutually perpendicular force components. The horizontal force x of roller 53 can be equivalent to the contact force F. Assuming the force measured by force-measuring roller 1 is Fc, since roller 53 and the eccentric bolt 7 of the HRS external locking device are in arc contact, the formula for calculating the contact force is:

[0097] F = x = Fc * cosθ

[0098] In the formula, θ is the angle between the interaction force Fc between the roller 53 and the eccentric bolt 7 and the horizontal direction.

[0099] First, operate the switch to put the side of the HRS external locking device to be measured for contact force in a repulsive state. Loosen the screws on one side of the HRS external locking device roller 53 and remove the roller 53 in the middle of the HRS external locking device clamping plate 5. Insert the rolling ring 2 and lubricating ring 3 together, ensuring tight contact between them. Insert the inserted rolling ring 2 and lubricating ring 3 from the middle of the clamping plate 5 and place them at the position of the roller 53. At this point, the through hole in the lubricating ring 3 and the positioning hole in the roller 53 are symmetrical. The force measuring mechanism 4 uses one end of its external threaded column to pass through one side clamping plate 5, the lubrication ring 3, and the other side clamping plate 5 in sequence. The limiting mechanism is tightly connected to the positioning hole of the roller 53 on the clamping plate 5. The rolling ring 2, the lubrication ring 3, and the sensor 41 in the middle of the force measuring mechanism 4 are tightly connected. At this time, the plug 42 is located outside one side clamping plate 5, and the external threaded column is located outside the other side clamping plate 5. Use a tool to fix the plug 42. Use a tool to tighten the fixing part 45 that is used with it at the other end of the force measuring mechanism 4's external threaded column to complete the replacement work.

[0100] Then, as Figure 1-2As shown, the operator operates the switch, causing the connecting rod 9 to move laterally towards the side where the switch rail 12 and the base rail 11 are in close contact. During this movement, the connecting rod 9 drives the roller 52, clamping plate 5, roller 54, and clamp handle 62 connected to the clamping plate to move towards the side requiring close contact. At this time, the roller 52 rolls below the connecting rod 9, and the rolling ring 2 on the outer layer of the force measuring roller 1 rolls in contact with the upper part of the connecting rod. Due to the setting of the lubrication ring 3, the rolling ring 2 can roll smoothly while the force measuring mechanism 4 is fixed. Then, the clamp handle 62 drives the connecting element 61 and the switch rail 12 to fit against the base rail 11. The roller 54 moves from one end of the "L-shaped groove" in the connecting rod 9 to the other end to achieve the limit. At this time, because The connecting rod 9 has an "L-shaped groove" structure. The clamping plate 5 is raised to a certain height, causing the force measuring roller 1 to move towards the eccentric bolt 7 and fit tightly against it. At this time, the force measuring roller 1 fits against the eccentric bolt 7, and the eccentric bolt 7 presses the rolling ring 2 and the lubrication ring 3 in sequence. Because the lengths of the rolling ring 2 and the lubrication ring 3 are slightly smaller than the distance between them and the limiting mechanism 43, and the rolling ring 2, the lubrication ring 3, and the force measuring mechanism 4 are in close contact, the pressure between the eccentric bolt 7 and the force measuring roller 1 can be completely transmitted to the sensor 41. The value is recorded as 0 when there is no pressure. When there is pressure, the sensor 41 transmits the signal to the storage location of the plug 42, waiting for the operator's subsequent operation.

[0101] Finally, the operator uses a data transmission cable to connect one end to the preset interface 44 on the force measuring mechanism 4 plug 42 and the other end to the host computer. The host computer uses software that is used in conjunction with the monitoring device for the contact force of the HRS external locking turnout switch rail to monitor the contact force of the HRS external locking turnout switch rail, displays and records the data information, compares the data with the preset range through the software, and issues an alarm if the data exceeds the preset range. Then, the operator waits for the corresponding maintenance or repair personnel to handle the situation.

[0102] After the measurement is completed, the operator closes the software, removes the data transmission cable, and waits for the next data acquisition and recording.

[0103] This invention relates to a monitoring platform for the contact force of HRS externally locked turnout switch points. The monitoring platform consists of a sensing module, a data module, and an interaction module. The sensing module is implemented using force-measuring rollers, the data module collects, transmits, and analyzes the force data, and the interaction module displays the contact force information and provides pre-alarm information.

[0104] This invention solves the problem of the influence of rolling friction of the HRS external locking roller on the force measurement during the switching of the turnout switch rail 12 by setting a layered roller force measurement method, which uses an inner fixed force measuring shaft, an outer rolling sleeve and an intermediate friction-reducing lubrication layer.

[0105] In this utility model, HRS refers to the external locking device of the turnout in the roller support transmission system.

[0106] In this utility model, the connection is either a fixed connection or a detachable connection. The fixed connection is either a welded connection or a directly machined integral structure, while the detachable connection is either an internal or external threaded connection, a snap-fit ​​connection, or a plug-in structure connection.

[0107] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A monitoring device for the contact force of the switch point rail of an HRS external locking turnout, comprising a force measuring roller (1) sleeved and connected to two clamping plates (5) of the HRS external locking device, characterized in that: The force measuring roller (1) includes: Rolling ring (2), which is sleeved on the outside of lubrication ring (3); Lubricating ring (3) is fitted onto force measuring mechanism (4); A force measuring mechanism (4) is provided with a sensor (41) in the middle of the force measuring mechanism (4), and the sensor (41) is located inside the lubrication ring (3); The free end of the force measuring mechanism (4) is fixed to the corresponding clamping plate (5) by a fastener (45).

2. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 1, characterized in that: The force measuring mechanism (4) includes: A connecting shaft (46) is provided, with an externally threaded post connected to one end of the connecting shaft (46); Sensor (41) is connected to the middle section of the connecting shaft (46) and is in close contact with the inner wall of the lubrication ring (3); A plug (42) is connected to the other end of the connecting shaft (46), and an interface (44) is provided on the plug (42); Limiting mechanism (43) is symmetrically distributed on the connecting shaft (46) on both sides of the sensor (41) and is in close contact with the clamping plate (5); Among them, the interface (44) is connected to the sensor (41), and the interface (44) is a female connector for data transmission.

3. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 2, characterized in that: The sensor (41), plug (42), limiting mechanism (43) and external threaded column center shaft are all mounted on the same axis.

4. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 1, characterized in that: The rolling ring (2) is a cylindrical structure with open ends and a hollow interior.

5. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 1, characterized in that: The lubrication ring (3) is a cylindrical structure with open ends and a hollow interior.

6. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 1, characterized in that: The rolling ring (2), lubrication ring (3) and force measuring mechanism (4) are coaxially connected.

7. The monitoring device for the contact force of the HRS external locking turnout switch points according to claim 1, characterized in that: The lubricating ring (3) is in close contact with the rolling ring (2) and the sensor (41).

8. A monitoring device for the contact force of HRS external locking turnout switch points according to claim 2, characterized in that: The distance between the two limiting mechanisms (43) is slightly greater than the length of the lubrication ring (3).

9. A monitoring device for the contact force of the HRS external locking turnout switch points according to claim 2, characterized in that: The data measured by the sensor (41) is connected to an external data processing device through an interface (44).

10. A monitoring device for the contact force of the HRS external locking turnout switch points according to claim 2, characterized in that: The sensor (41) is a pressure sensor, a smart pressure sensor, or an integrated sensor.

Images