Sanding detection device for sanding pipe of sand box of rail transit locomotive

By installing rectangular fiber optic sensors on the surface of the sand-spreading pipe, the shortcomings of sand-spreading detection in rail transit locomotives have been solved, enabling real-time detection of sand inside the sand-spreading pipe and ensuring operational safety.

CN223808350UActive Publication Date: 2026-01-16TAIYUAN FULITONG ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202423229503.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

During the operation and maintenance of rail transit locomotives, high-speed trains, bullet trains, subways, and engineering vehicles, there is a lack of effective methods to check whether sand spreading is normal, which affects operational safety.

Method used

A rectangular fiber optic sensor is installed on the surface of the sand-spreading pipe. The fiber optic sensor is used to detect the flow of sand inside the sand-spreading pipe. The optical fiber emitted by the rectangular fiber optic sensor is cut by the sand to transmit the signal, thus realizing real-time detection.

Benefits of technology

It enables real-time monitoring of sand distribution inside the sand-spreading pipe, ensuring normal sand distribution and improving rail transit safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sanding detection device for a sanding pipe of a sand box of a rail transit locomotive, which comprises two rectangular optical fiber sensors which are symmetrically arranged on the surface of a sanding pipe body and are respectively arranged on the upper surface and the lower surface of the sanding pipe body, and the rectangular optical fiber sensors are respectively arranged on the upper surface and the lower surface of the sanding pipe body. Square through holes are symmetrically formed in the surface of the sanding pipe body and used for containing rectangular optical fiber sensors, and transmitting probes of the rectangular optical fiber sensors are inserted into the sanding pipe body. According to the sanding detection device for the sanding pipe of the sand box of the rail transit locomotive, the rectangular optical fiber sensors are arranged on the upper surface and the lower surface of the sanding pipe body in a penetrating mode respectively, the rectangular optical fiber sensors emit optical fibers, when sand flows in the sanding pipe body, the optical fibers are cut off by the sand, and therefore a receiver receives signals; and the sanding condition in the sanding pipe body can be conveniently detected in real time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit technical field, concretely is a kind of sanding detection device for rail transit locomotive sand box sanding pipe. BACKGROUND

[0002] In the transport tools such as locomotive, high-speed rail, motor car, subway and engineering operation vehicle in rail transit field, vehicle is equipped with sand box, in the process of vehicle operation, driver controls sanding valve of sand box to open through control console, to increase the friction of wheel rail on track, ensure braking capacity, sand box has sanding pipe, sand in sand box is scattered to track through sanding pipe.

[0003] Currently, there is no suitable method to check whether sanding is normal in the running process and the preparation process of rail transit locomotive, high-speed rail, motor car, subway and engineering vehicle, generally, after sanding in the preparation process, artificial must be used to check whether each sanding sanding is normal, after giving sanding instruction in the running process, whether sanding is normal is unknown to driver, whether sanding is normal can affect the safety of rail transit, under the condition of heavy load or the condition of needing sanding, if sanding is not normal, it can seriously affect the running safety of locomotive, high-speed rail, motor car, subway and engineering vehicle. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of sanding detection device for rail transit locomotive sand box sanding pipe, the device is arranged on the surface of sanding pipe with rectangular optical fiber sensor, to solve the problem raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of sanding detection device for rail transit locomotive sand box sanding pipe, including rectangular optical fiber sensor, the rectangular optical fiber sensor is installed on the surface of sanding pipe body, the rectangular optical fiber sensor is symmetrically provided with 2, 2 rectangular optical fiber sensor is respectively arranged on the upper and lower surfaces of sanding pipe body, the surface of sanding pipe body is symmetrically provided with square through hole and is accommodated rectangular optical fiber sensor, the transmitting probe of rectangular optical fiber sensor is inserted into the inside of sanding pipe body, the surface of rectangular optical fiber sensor is provided with connecting optical fiber.

[0006] Preferably, the surface of the rectangular optical fiber sensor is provided with a supporting structure, which supports the two rectangular optical fiber sensors, facilitating the connection of the rectangular optical fiber sensor and the surface of the sanding pipe body.

[0007] The above technical scheme uses the supporting structure to connect and support the rectangular optical fiber sensor, which is convenient for subsequent installation.

[0008] Preferably, the supporting structure comprises an upper clamping ring, the upper clamping ring is a semicircular ring structure, one end of the upper clamping ring is rotatably connected with a lower clamping ring, the lower clamping ring is a semicircular ring structure, the upper clamping ring and the lower clamping ring jointly form a circular ring structure, the other end surface of the upper clamping ring is provided with a cuboid protrusion, the other end surface of the lower clamping ring is provided with a rectangular groove, and the groove on the surface of the lower clamping ring is matched with the protrusion on the surface of the upper clamping ring.

[0009] By adopting the above technical scheme, the rotation and clamping between the upper clamping ring and the lower clamping ring can quickly connect the device.

[0010] Preferably, one side surface of the upper clamping ring is fixedly connected with one rectangular optical fiber sensor, one side surface of the lower clamping ring is fixedly connected with another rectangular optical fiber sensor, the surface of the upper clamping ring and the surface of the lower clamping ring are respectively fixedly provided with a wire ring, the wire ring is a circular ring structure, and the connecting optical fibers on the surfaces of the two rectangular optical fiber sensors are respectively slidably inserted into the inner wall of the wire ring.

[0011] By adopting the above technical scheme, the wire ring can support and arrange the connecting optical fibers of the rectangular optical fiber sensor.

[0012] Preferably, the surface of the rectangular optical fiber sensor is provided with a connecting structure, and the connecting structure can realize the connection and fixation between the rectangular optical fiber sensor and the sanding pipe body.

[0013] By adopting the above technical scheme, the connecting structure can realize the connection and fixation between the rectangular optical fiber sensor and the sanding pipe body.

[0014] Preferably, the connecting structure comprises a clamping block, the clamping block is an arc-shaped structure, the side surface of the clamping block is fixedly connected with the surface of the rectangular optical fiber sensor, the lower surface of the clamping block is fixedly provided with a gasket, and the surfaces of the clamping block and the gasket are threadedly connected with a fixing bolt.

[0015] By adopting the above technical scheme, the fixing bolt can fix the rectangular optical fiber sensor on the surface of the sanding pipe body.

[0016] Compared with the prior art, the device has the advantages that:

[0017] 1. The rectangular optical fiber sensors are respectively arranged on the upper and lower surfaces of the sanding pipe body, the rectangular optical fiber sensors emit optical fibers, when sand flows in the sanding pipe body, the optical fibers are cut off by the sand, so that the receiver receives signals, and the sanding situation in the sanding pipe body can be detected in real time.

[0018] 2. The device sets two rectangular optical fiber sensors on the upper and lower clamping ring surfaces respectively, and the upper and lower clamping ring surfaces are rotationally connected, so that the rectangular optical fiber sensor can be quickly inserted into the surface of the sanding pipe body by the rotationally connected upper and lower clamping rings during the installation process of the rectangular optical fiber sensor and the sanding pipe body, and the installation process of the rectangular optical fiber sensor is facilitated.

[0019] 3. The device sets a clamping block on the surface of the rectangular optical fiber sensor, the rectangular optical fiber sensor is inserted into the through hole on the surface of the sanding pipe body for connection and installation, when the clamping block contacts the outer surface of the sanding pipe body, the rectangular optical fiber sensor is just inserted into the sanding pipe body, and the rectangular optical fiber sensor and the sanding pipe body are connected by the fixed bolts on the surface of the clamping block. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a side view structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the upper and lower clamping ring connection structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the upper and lower clamping ring rotation front view structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the upper and lower clamping ring rotation rear view structure of the utility model.

[0025] In the drawing: 1, sanding pipe body; 2, rectangular optical fiber sensor; 3, connecting optical fiber; 4, upper clamping ring; 5, lower clamping ring; 6, wire ring; 7, clamping block; 8, gasket; 9, fixed bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of sanding detection device for rail transit locomotive sand box sanding pipe, including sanding pipe body 1, rectangular optical fiber sensor 2, connecting optical fiber 3, upper clamping ring 4, lower clamping ring 5, wire ring 6, clamping block 7, gasket 8, fixed bolt 9.

[0028] The rectangular optical fiber sensor 2 is installed on the surface of the sanding pipe body 1, and two rectangular optical fiber sensors 2 are symmetrically arranged on the upper and lower surfaces of the sanding pipe body 1. Square through holes are arranged symmetrically on the surface of the sanding pipe body 1 to accommodate the rectangular optical fiber sensors 2. The emission probe of the rectangular optical fiber sensor 2 is inserted into the interior of the sanding pipe body 1, and the surface of the rectangular optical fiber sensor 2 is provided with a connecting optical fiber 3.

[0029] As shown in Figure 1 and Figure 2 , when the sanding condition inside the sanding pipe body 1 is detected in real time using the device, the rectangular optical fiber sensor 2 is installed on the surface of the sanding pipe body 1, the emission probe of the rectangular optical fiber sensor 2 is inserted into the interior of the sanding pipe body 1, the connecting optical fiber 3 is externally connected to the signal receiving end, and the rectangular optical fiber sensor 2 is started. The sand inside the sanding pipe body 1 is detected in real time by using the optical fiber emitted by the rectangular optical fiber sensor 2. When the sanding process is performed by the sand flowing inside the sanding pipe body 1, the optical fiber emitted by the rectangular optical fiber sensor 2 is blocked by the sand, thereby transmitting the signal to the receiving end, so that the sanding condition inside the sanding pipe body 1 can be detected in real time.

[0030] The surface of the rectangular optical fiber sensor 2 is provided with a supporting structure, which supports and connects the two rectangular optical fiber sensors 2, and facilitates the connection between the rectangular optical fiber sensor 2 and the surface of the sanding pipe body 1. The supporting structure includes an upper clamping ring 4, which is a semicircular ring structure. One end of the upper clamping ring 4 is rotatably connected with a lower clamping ring 5, which is also a semicircular ring structure. The upper clamping ring 4 and the lower clamping ring 5 together form a circular ring structure. The other end surface of the upper clamping ring 4 is provided with a rectangular protrusion, and the other end surface of the lower clamping ring 5 is provided with a rectangular groove. The groove on the surface of the lower clamping ring 5 is matched with the protrusion on the surface of the upper clamping ring 4. One of the rectangular optical fiber sensors 2 is fixedly connected to the side surface of the upper clamping ring 4, and the other rectangular optical fiber sensor 2 is fixedly connected to the side surface of the lower clamping ring 5. Wire loops 6 are fixedly installed on the surfaces of the upper clamping ring 4 and the lower clamping ring 5. The wire loops 6 are circular ring structures. The connecting optical fibers 3 on the surfaces of the two rectangular optical fiber sensors 2 are respectively slidably inserted into the inner walls of the wire loops 6. The surface of the rectangular optical fiber sensor 2 is provided with a connecting structure, which can realize the connection and fixation between the rectangular optical fiber sensor 2 and the sanding pipe body 1. The connecting structure includes a clamping block 7, which is an arc-shaped structure. The side surface of the clamping block 7 is fixedly connected to the surface of the rectangular optical fiber sensor 2. A gasket 8 is fixedly arranged on the lower surface of the clamping block 7. The surfaces of the clamping block 7 and the gasket 8 are threadedly connected with a fixing bolt 9.

[0031] As shown in Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, when the rectangular optical fiber sensor 2 is connected with the sanding pipe body 1, the upper clamping ring 4 and the lower clamping ring 5 are rotated to open, the upper clamping ring 4 and the lower clamping ring 5 are sleeved on the outer surface of the sanding pipe body 1, and the recesses at the other ends of the upper clamping ring 4 and the lower clamping ring 5 are engaged with the protrusions, so that the annular structure formed by the upper clamping ring 4 and the lower clamping ring 5 wraps the outer surface of the sanding pipe body 1, and in the movement process, the upper clamping ring 4 and the lower clamping ring 5 drive the two rectangular optical fiber sensors 2 to be inserted into the square through holes in the surface of the sanding pipe body 1, the fixing bolt 9 is rotated, and the clamping block 7 and the gasket 8 are tightly attached to the surface of the sanding pipe body 1 by the fixing bolt 9, so that the installation process of the rectangular optical fiber sensor 2 is realized.

[0032] Working principle: when the sanding detection device for the sanding pipe of the rail transit locomotive sand box is used, the upper clamping ring 4 and the lower clamping ring 5 are rotated to open, the upper clamping ring 4 and the lower clamping ring 5 are sleeved on the outer surface of the sanding pipe body 1, and the recesses at the other ends of the upper clamping ring 4 and the lower clamping ring 5 are engaged with the protrusions to connect the upper clamping ring 4 and the lower clamping ring 5 to the outer surface of the sanding pipe body 1, at this time, the two rectangular optical fiber sensors 2 are inserted into the square through holes in the surface of the sanding pipe body 1, the rectangular optical fiber sensor 2 is connected with the surface of the sanding pipe body 1 by the fixing bolt 9, the rectangular optical fiber sensor 2 is started, when the sanding pipe body 1 has sand flowing for the sanding process, the optical fiber emitted by the rectangular optical fiber sensor 2 is blocked by the sand, and the signal is transmitted to the receiving end, so that the worker can detect the sanding condition in the sanding pipe body 1 in real time, and the practicability of the whole is increased.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sanding detection device for a sanding pipe of a rail transit locomotive sanding box, comprising a rectangular optical fiber sensor (2) installed on the surface of a sanding pipe body (1), characterized in that: Two of the rectangular optical fiber sensors (2) are symmetrically arranged, and the two rectangular optical fiber sensors (2) are arranged on the upper and lower surfaces of the sanding pipe body (1), the surface of the sanding pipe body (1) is symmetrically provided with a square through hole for accommodating the rectangular optical fiber sensor (2), the emission probe of the rectangular optical fiber sensor (2) is inserted into the inside of the sanding pipe body (1), and the surface of the rectangular optical fiber sensor (2) is provided with a connecting optical fiber (3).

2. The sanding detection device for the sanding pipe of the sand box of the rail transit locomotive of claim 1, characterized in that: The surface of the rectangular optical fiber sensor (2) is provided with a supporting structure, the supporting structure connects and supports the two rectangular optical fiber sensors (2), and the rectangular optical fiber sensor (2) is connected with the surface of the sanding pipe body (1).

3. The sanding detection device for a rail transit locomotive sand box sanding pipe according to claim 2, characterized in that: The supporting structure comprises an upper clamping ring (4), the upper clamping ring (4) is a semi-circular ring structure, one end of the upper clamping ring (4) is rotatably connected with a lower clamping ring (5), the lower clamping ring (5) is a semi-circular ring structure, the upper clamping ring (4) and the lower clamping ring (5) jointly form a circular ring structure, the other end surface of the upper clamping ring (4) is provided with a cuboid protrusion, the other end surface of the lower clamping ring (5) is provided with a rectangular groove, and the groove on the surface of the lower clamping ring (5) is matched with the protrusion on the surface of the upper clamping ring (4).

4. The sanding detection device for a rail transit locomotive sand box sanding pipe according to claim 3, characterized in that: One of the rectangular optical fiber sensors (2) is fixedly connected to the side surface of the upper clamping ring (4), the other rectangular optical fiber sensor (2) is fixedly connected to the side surface of the lower clamping ring (5), and the surfaces of the upper clamping ring (4) and the lower clamping ring (5) are respectively fixedly provided with a wire ring (6), the wire ring (6) is a circular ring structure, and the connecting optical fibers (3) on the surfaces of the two rectangular optical fiber sensors (2) are respectively slidably inserted into the inner wall of the wire ring (6).

5. The sanding detection device for a rail transit locomotive sand box sanding pipe of claim 1, wherein: The surface of the rectangular optical fiber sensor (2) is provided with a connecting structure, and the connecting structure can realize the connection and fixation between the rectangular optical fiber sensor (2) and the sanding pipe body (1).

6. The sanding detection device for a rail transit locomotive sand box sanding pipe according to claim 5, characterized in that: The connecting structure comprises a clamping block (7), the clamping block (7) is an arc-shaped structure, the side surface of the clamping block (7) is fixedly connected with the surface of the rectangular optical fiber sensor (2), the lower surface of the clamping block (7) is fixedly provided with a gasket (8), and the surfaces of the clamping block (7) and the gasket (8) are threadedly connected with a fixing bolt (9).