Railway signal cable heating on-line monitoring device

Abstract

The utility model belongs to the field of cable temperature detection, and particularly relates to a railway signal cable heating on-line monitoring device which comprises a clamping assembly, the clamping assembly comprises an upper mounting plate and a lower mounting plate, and the upper mounting plate and the lower mounting plate are both of a semicircular tubular structure. Clamping plates are symmetrically mounted on the inner sides of the upper mounting plate and the lower mounting plate, first limiting rods are symmetrically and fixedly connected to the middle positions of the two side edges of each clamping plate, through grooves are symmetrically formed in the middle positions of the side walls of the upper mounting plate and the lower mounting plate, and the first limiting rods are movably inserted into the through grooves; the middle positions of the opposite side walls of the clamping plates on the two sides and the upper mounting plate and the lower mounting plate are respectively and fixedly provided with a spring I. According to the utility model, the clamping assembly and the fixing assembly are arranged, so that the temperature monitoring assembly can be conveniently installed on a cable, and the temperature of the cable can be conveniently monitored in real time through the temperature monitoring assembly; and when the temperature of the cable is monitored to be abnormal, maintenance personnel can be prompted to carry out maintenance in time.

Description

Technical Field

[0001] The utility model relates to the field of cable temperature detection, in particular to an online monitoring device for heating of railway signal cables. Background Art

[0002] The railway signal system is an important system to ensure the safety of train operation. It controls the normal operation of signal machines, track circuits and switch equipment through signal cables, thereby ensuring the safety of train operation. Therefore, achieving safe, reliable and stable operation of cables is of great significance to ensuring the efficiency of train operation and reducing operation risks.

[0003] Cables are prone to temperature rise in high voltage and high current environments due to core short circuit faults, insulation damage, loose connections, cable aging and other factors, which can burn through the insulation and eventually lead to cable fires, endangering driving safety. It is necessary to always pay attention to the temperature of the cable during operation. Existing cable temperature detection equipment usually installs a temperature sensor in an installation shell customized for the cable to detect the temperature of the cable. The installation of the sealing shell and cable set is time-consuming and labor-intensive. Therefore, an online monitoring device for heating of railway signal cables is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art and solve the problem that the installation of the installation shell and the cable set of the existing cable temperature detection equipment is time-consuming and labor-intensive, the utility model proposes an online monitoring device for heating of railway signal cables.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an online monitoring device for heating of railway signal cables, comprising a clamping assembly, wherein the clamping assembly comprises an upper mounting plate and a lower mounting plate, wherein the upper mounting plate and the lower mounting plate are both semicircular tubular structures, and the inner sides of the upper mounting plate and the lower mounting plate are symmetrically provided with clamping plates, and the middle positions of the two side edges of the clamping plates are symmetrically fixedly connected with a limiting rod, and the middle positions of the side walls of the upper mounting plate and the lower mounting plate are symmetrically provided with through grooves, and the limiting rod is movably inserted in the through grooves, and the middle positions of the side walls of the clamping plates on both sides relative to the upper mounting plate and the lower mounting plate are respectively fixedly provided with springs, and a temperature monitoring assembly for monitoring the cable temperature is arranged in the middle of the clamping plate, and the temperature monitoring assembly is installed on the cable by arranging the clamping assembly, so that the temperature monitoring assembly can be used to detect the temperature of the cable in real time.

[0006] Preferably, the temperature monitoring component includes a temperature sensor, a mounting rod is fixedly connected to the side wall of the temperature sensor, a through hole 1 is opened in the middle of the clamping plates on both sides, and a through hole 2 is opened in the middle position of the upper mounting plate and the lower mounting plate respectively, the through hole 1 and the through hole 2 are located on the same straight line, one side of the mounting rod passes through the through hole 1 and the through hole 2, and an anti-slip block is fixedly connected to the end of the mounting rod, a spring 2 is sleeved on the end of the mounting rod, the two ends of the spring 2 are respectively fixedly connected to the anti-slip block, the upper mounting plate and the lower mounting plate, and an infinite signal transmitter is fixedly installed on the upper mounting plate and the lower mounting plate respectively, the temperature sensor and the infinite signal transmitter are electrically connected, the temperature of the cable is monitored in real time through the temperature monitoring component, and when the temperature is abnormal, the abnormal signal is promptly transmitted to the background control center through the infinite signal transmitter to remind the maintenance personnel to repair it in time to ensure the normal operation of the cable.

[0007] Preferably, the sides of the upper mounting plate and the lower mounting plate are provided with fixing components, and the upper mounting plate and the lower mounting plate are fixed together by the fixing components, and fixing plates 1 are symmetrically fixedly connected to the side walls at both ends of the upper mounting plate, and fixing plates 2 are fixedly connected to the side walls at both ends of the lower mounting plate, and mounting holes are symmetrically opened at both ends of the fixing plate 1, and U-shaped grooves are symmetrically opened at both ends of the fixing plate 2, and bolts are installed in the middle of the grooves, and nuts are threaded on the bolts. The clamping assembly is fixedly installed on the cable by the fixing assembly, which is convenient for disassembly and assembly of the clamping assembly.

[0008] Preferably, two limiting rods are symmetrically fixedly connected to the side wall of the bolt, and a sliding groove is opened in the middle of the inner walls on both sides of the slot. The two limiting rods are slidably set in the sliding groove to limit the position of the bolt and facilitate tightening the nut.

[0009] Preferably, the upper mounting plate, the lower mounting plate, the limit plate and the end faces of the temperature sensor are initially on the same horizontal plane.

[0010] Preferably, the through hole one and the through hole two are both configured to be rectangular, and the mounting rod is adapted to the through hole one and the through hole two, so as to limit the position of the mounting rod.

[0011] Preferably, positioning devices are fixedly mounted on the side walls of the upper mounting plate and the lower mounting plate to facilitate positioning of the device and facilitate maintenance personnel to promptly determine the abnormal position.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model provides a clamping assembly and a fixing assembly to facilitate the fixing and installation of the rapid temperature monitoring assembly on the side of the cable. When in use, the upper mounting plate and the lower mounting plate are respectively clamped on both sides of the cable, the clamping plates on both sides are first in contact with the cable, and the temperature sensor is fitted with the cable. As the upper mounting plate and the lower mounting plate are closed toward the middle, the clamping plates on both sides are forced to move toward the inner sides of the upper mounting plate and the lower mounting plate, and the spring is compressed until the upper mounting plate and the lower mounting plate are completely merged together, and then fixed by the fixing assembly, which is convenient for installation. In addition, the clamping plates on both sides are pushed by the spring to clamp on both sides of the cable, so that it is suitable for clamping cables of different sizes and has a wider range of applications.

[0014] 2. The utility model facilitates real-time monitoring of the temperature of the cable through the temperature monitoring component. When the temperature of the cable is abnormal, the abnormal signal is remotely transmitted to the background control center through the wireless signal transmitter, prompting the maintenance personnel to carry out maintenance in time.

[0015] 3. The utility model sets a slide groove and a limiting rod. Before combining the upper mounting plate and the lower mounting plate, the bolt is first inserted into the slot, and the limiting rod is inserted into the slide groove at the same time. This can limit the position of the bolt so that the bolt will not easily fall out of the slot, and the bolt can be easily inserted into the mounting hole for easy fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0018] Figure 2 It is a partial cross-sectional view of the first embodiment;

[0019] Figure 3 For Example 1 Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 It is a front view of the first embodiment;

[0021] Figure 5 It is a top view of the first embodiment.

[0022] In the figure: 1. Clamping assembly; 101. Upper mounting plate; 102. Lower mounting plate; 103. Clamping plate; 104. Through slot; 105. Limit rod 1; 106. Spring 1; 2. Temperature monitoring assembly; 201. Temperature sensor; 202. Mounting rod; 203. Through hole 1; 204. Spring 2; 205. Anti-slip block; 206. Positioning device; 207. Infinite signal transmitter; 208. Through hole 2; 3. Fixing assembly; 301. Fixing plate 1; 302. Mounting hole; 303. Fixing plate 2; 304. Slot; 305. Bolt; 306. Slide; 307. Limit rod 2; 308. Nut. 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] Embodiment 1

[0025] See also Figure 1-5 As shown, a railway signal cable heating online monitoring device includes a clamping component 1, the clamping component 1 includes an upper mounting plate 101 and a lower mounting plate 102, the upper mounting plate 101 and the lower mounting plate 102 are both semicircular tubular structures, the inner sides of the upper mounting plate 101 and the lower mounting plate 102 are symmetrically mounted with clamping plates 103, the middle positions of the two side edges of the clamping plate 103 are symmetrically fixedly connected with limiting rods 105, the middle positions of the side walls of the upper mounting plate 101 and the lower mounting plate 102 are symmetrically opened with through grooves 104, the limiting rods 105 are movably inserted in the through grooves 104, and the clamping plates 103 on both sides are respectively fixedly mounted with springs at the middle positions of the side walls opposite to the upper mounting plate 101 and the lower mounting plate 102. 106, a temperature monitoring component 2 for monitoring the cable temperature is arranged in the middle of the clamping plate 103; when working, the upper mounting plate 101 and the lower mounting plate 102 are clamped on both sides of the cable respectively, the clamping plates 103 on both sides are in contact with the cable first, and the temperature sensor 201 is fitted with the cable, as the upper mounting plate 101 and the lower mounting plate 102 are closed toward the middle, the clamping plates on both sides are forced to move toward the inner side of the upper mounting plate 101 and the lower mounting plate 102, the spring 106 is compressed until the upper mounting plate 101 and the lower mounting plate 102 are completely merged together, and then fixed by the fixing component 3, the clamping plates 103 on both sides are pushed by the spring 106 to clamp on both sides of the cable, so that it is suitable for clamping cables of different sizes, and has a wider range of applications.

[0026] Preferably, the temperature monitoring component 2 includes a temperature sensor 201, a mounting rod 202 is fixedly connected to the side wall of the temperature sensor 201, a through hole 203 is opened in the middle of the clamping plates 103 on both sides, and a through hole 208 is opened in the middle position of the upper mounting plate 101 and the lower mounting plate 102 respectively, the through hole 1 203 and the through hole 208 are located on the same straight line, one side of the mounting rod 202 passes through the through hole 1 203 and the through hole 208, and an anti-slip block 205 is fixedly connected to the end of the mounting rod 202, a spring 204 is sleeved on the end of the mounting rod 202, and the two ends of the spring 204 are fixedly connected to the anti-slip block 205, the upper mounting plate 101 and the lower mounting plate 102, respectively, and the upper mounting plate 101 and the lower mounting plate 102 are respectively fixedly installed with an infinite signal The temperature sensor 201 is electrically connected to the wireless signal transmitter 207; when working, when the clamping plate 103 is about to fit the side wall of the cable, the temperature sensor 201 first contacts the side wall of the cable, and as the clamping plates 103 on both sides continue to move toward the middle until they are fitted on the side wall of the cable, the temperature sensor 201 is pushed to move toward the inside of the clamping plate 103, and by pushing the mounting rod 202 to move outward along the through hole 1 203 and through hole 2, the spring 204 is stretched, and the rebound trend of the spring 204 makes the temperature sensor 201 tightly fit on the side wall of the cable, so that the temperature of the cable is monitored in real time through the temperature sensor 201. When the temperature of the cable is abnormal, the abnormal signal is remotely transmitted to the background control center through the wireless signal transmitter 207, prompting the maintenance personnel to perform maintenance in time.

[0027] Preferably, the sides of the upper mounting plate 101 and the lower mounting plate 102 are provided with a fixing assembly 3, and the upper mounting plate 101 and the lower mounting plate 102 are fixed together by the fixing assembly 3, and the two end side walls of the upper mounting plate 101 are symmetrically fixedly connected with a fixing plate 1 301, and the two end side walls of the lower mounting plate 102 are fixedly connected with a fixing plate 2 303, and the two ends of the fixing plate 1 301 are symmetrically provided with mounting holes 302, and the two ends of the fixing plate 2 303 are symmetrically provided with U-shaped slots. 304, a bolt 305 is installed in the middle of the slot 304, and a nut 308 is threadedly connected to the bolt 305; when working, the bolt 305 is first installed in the slot 304, and when the upper mounting plate 101 and the lower mounting plate 102 are combined, the bolt 305 synchronously passes through the mounting hole 302, and then the nut 308 and the bolt 305 are threadedly connected to fix the fixing plate 1 301 and the fixing plate 2 303 together, so that the upper mounting plate 101 and the lower mounting plate 102 are fixed on the side wall of the cable.

[0028] Preferably, a second limiting rod 307 is symmetrically fixedly connected to the side wall of the bolt 305, and a sliding groove 306 is opened in the middle of the inner walls on both sides of the slot 304, and the second limiting rod 307 is slidably set in the sliding groove 306; when working, the bolt 305 is first inserted into the slot 304, and the second limiting rod 307 is inserted into the sliding groove 306 at the same time, so that the position of the bolt 305 can be limited, so that the bolt 305 will not easily fall out of the slot 304, and then the bolt 305 can be easily inserted into the mounting hole 302, which is convenient for fixation.

[0029] Preferably, the upper mounting plate 101, the lower mounting plate 102, the limiting plate and the end faces of the temperature sensor 201 are initially on the same horizontal plane; during operation, the temperature sensor 201 and the limiting plate are conveniently attached to the side wall of the cable in sequence.

[0030] Preferably, the through hole 1 203 and the through hole 208 are both set to be rectangular, and the mounting rod 202 is adapted to the through hole 1 203 and the through hole 208; during operation, it is convenient to limit the position of the mounting rod 202.

[0031] Embodiment 2

[0032] See also Figure 2 As shown, compared with Example 1, as another implementation of the utility model, a positioning device 206 is fixedly installed on the side walls of the upper mounting plate 101 and the lower mounting plate 102; when working, it is convenient to position the device and convenient for maintenance personnel to determine the abnormal position in time.

[0033] Working principle: during installation, first insert the bolt 305 into the slot 304, and at the same time insert the limit rod 207 into the slide groove 306, so as to limit the position of the bolt 305, so that the bolt 305 will not easily disengage from the slot 304, and then clamp the upper mounting plate 101 and the lower mounting plate 102 on both sides of the cable respectively, and the clamping plates 103 on both sides contact the cable first, and make the temperature sensor 201 fit the cable, as the upper mounting plate 101 and the lower mounting plate 102 close to the middle, the clamping plates on both sides are forced to move toward the inner side of the upper mounting plate 101 and the lower mounting plate 102, and the spring 106 is compressed until the upper mounting plate 101 and the lower mounting plate 102 are completely merged together, and then fixed by the fixing component 3, and the spring 106 pushes the clamping plates 103 on both sides to clamp on both sides of the cable, so that it is suitable for clamping cables of different sizes, and has a wider range of applications.

[0034] When the clamping plate 103 is about to fit against the side wall of the cable, the temperature sensor 201 first contacts the side wall of the cable, and as the clamping plates 103 on both sides continue to move toward the middle until they fit against the side wall of the cable, the temperature sensor 201 is pushed toward the inside of the clamping plate 103, and by pushing the mounting rod 202 to move outward along the through hole 1 203 and through hole 2, the spring 2 204 is stretched, and the rebound tendency of the spring 2 204 makes the temperature sensor 201 fit tightly against the side wall of the cable, so that the temperature of the cable is monitored in real time through the temperature sensor 201. When the temperature of the cable is abnormal, the abnormal signal is remotely transmitted to the background control center through the wireless signal transmitter 207, prompting the maintenance personnel to perform maintenance in time.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An online monitoring device for heating of railway signal cables, characterized in that: The invention comprises a clamping assembly (1), wherein the clamping assembly (1) comprises an upper mounting plate (101) and a lower mounting plate (102), wherein the upper mounting plate (101) and the lower mounting plate (102) are both semicircular tubular structures, and clamping plates (103) are symmetrically mounted on the inner sides of the upper mounting plate (101) and the lower mounting plate (102), and a limiting rod (105) is symmetrically fixedly connected to the middle position of the two sides of the clamping plate (103), and the upper mounting plate A through groove (104) is symmetrically provided in the middle of the side walls of the upper mounting plate (101) and the lower mounting plate (102); the limiting rod (105) is movably inserted into the through groove (104); springs (106) are fixedly installed in the middle of the side walls of the clamping plates (103) on both sides relative to the upper mounting plate (101) and the lower mounting plate (102); and a temperature monitoring component (2) for monitoring the cable temperature is provided in the middle of the clamping plates (103).

2. The railway signal cable heating online monitoring device according to claim 1 is characterized by: The temperature monitoring assembly (2) comprises a temperature sensor (201), a mounting rod (202) is fixedly connected to the side wall of the temperature sensor (201), a through hole (203) is provided in the middle of the clamping plates (103) on both sides, and a through hole (208) is provided in the middle of the upper mounting plate (101) and the lower mounting plate (102), respectively, the through hole (203) and the through hole (208) are located on the same straight line, and one side of the mounting rod (202) passes through the through hole (203) and the through hole (208). 08), and an anti-slip block (205) is fixedly connected to the end of the mounting rod (202), a second spring (204) is sleeved on the end of the mounting rod (202), and the two ends of the second spring (204) are respectively fixedly connected to the anti-slip block (205), the upper mounting plate (101) and the lower mounting plate (102), and an infinite signal transmitter (207) is respectively fixedly installed on the upper mounting plate (101) and the lower mounting plate (102), and the temperature sensor (201) and the infinite signal transmitter (207) are electrically connected.

3. The on-line monitoring device for heating of railway signal cables according to claim 2 is characterized in that: The upper mounting plate (101) and the lower mounting plate (102) are provided with fixing components (3) on their sides, and the upper mounting plate (101) and the lower mounting plate (102) are fixed together by the fixing components (3); the upper mounting plate (101) and the lower mounting plate (102) are symmetrically fixedly connected on the side walls at both ends of the upper mounting plate (101); the lower mounting plate (102) and the lower mounting plate (102) are fixedly connected on the side walls at both ends of the lower mounting plate (102); the fixing plates (301) and the lower ends of the fixing plates are symmetrically provided with mounting holes (302); the fixing plates (303) and the lower ends of the fixing plates are symmetrically provided with U-shaped slots (304); a bolt (305) is installed in the middle of the slot (304); and a nut (308) is threadedly connected to the bolt (305).

4. The on-line monitoring device for heating of railway signal cables according to claim 3 is characterized in that: A second limiting rod (307) is symmetrically fixedly connected to the side wall of the bolt (305), and a sliding groove (306) is opened in the middle of the inner walls on both sides of the clamping groove (304), and the second limiting rod (307) is slidably set in the sliding groove (306).

5. The on-line monitoring device for heating of railway signal cables according to claim 4 is characterized in that: The end surfaces of the upper mounting plate (101), the lower mounting plate (102), the limit plate and the temperature sensor (201) are initially located on the same horizontal plane.

6. The on-line monitoring device for heating of railway signal cables according to claim 5, characterized in that: The through hole one (203) and the through hole two (208) are both arranged in a rectangular shape, and the mounting rod (202) is adapted to the through hole one (203) and the through hole two (208).

7. The on-line monitoring device for heating of railway signal cables according to claim 6, characterized in that: Positioning devices (206) are fixedly mounted on the side walls of the upper mounting plate (101) and the lower mounting plate (102).

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