Line protection device for railway electrification

Abstract

The utility model relates to a line protection device for railway electrification, which comprises a device body, a supporting block is fixedly connected in the device body, a placing box is fixedly connected at the top of the supporting block, a placing plate is slidably connected in the placing box, a straight rod is fixedly connected in the device body, and a connecting rod is fixedly connected in the straight rod. A top plate is fixedly connected to the top end of the straight rod, a threaded rod is in threaded connection with the interior of the top plate, the bottom end of the threaded rod is rotationally connected with a lower pressing plate through a bearing, and a fixing plate is fixedly connected to the bottom of the lower pressing plate; through arrangement of the placing plate, cables can be conveniently placed in a classified manner, through cooperation of sliding connection of the placing plate and the sliding groove, the cables can be conveniently detached for replacement or maintenance, through arrangement of the threaded rod, the threaded rod drives the lower pressing plate and the fixing plate to move downwards when rotating, the fixing plate is used for fixing the cables at the top, and the cables are prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection device, especially relates to a line protection device for railway electrification. BACKGROUND

[0002] With the rapid development of modern economy, railway line, urban rail line and urban road have entered the stage of rapid development. It is inevitable that there will be a three-dimensional intersection between the railway line, the urban rail line and the urban road. If the to-be-built urban rail line or urban road is designed below the existing railway, the existing railway needs to be supported and protected before the construction of the urban rail line or urban road to avoid subsidence of the existing railway line due to soil excavation below the existing railway line, thereby affecting the safe operation of the existing railway. In the railway, the live cable is exposed to the air for a long time and is prone to corrosion, so the line protection device is generally used to protect it.

[0003] The existing protection device has the following problems:

[0004] 1. Different cables are generally stacked together, which makes it inconvenient to place the cables in categories and causes cable entanglement, which can damage the cables during use;

[0005] 2. The top cover and the protection device are fixed by bolts, and if the cable needs to be installed inside the device or needs to be maintained, it is troublesome to open the cover plate, and it takes a lot of time to install and remove it. INVENTION CONTENT

[0006] The utility model provides a line protection device for railway electrification for solving at least one of the above technical problems.

[0007] The utility model provides a line protection device for railway electrification, which comprises a device body, a support block is fixedly connected inside the device body;

[0008] Through the arrangement of the support block, the support block is fixedly connected to the bottom end inside the device body during use, and the top end of the support block is fixedly connected with a placing box, so as to support the placing box.

[0009] The top of the support block is fixedly connected with a placing box;

[0010] Through the arrangement of the placing box, the placing box is fixedly connected to the top end of the support block during use, so as to limit the cable.

[0011] The inside of the placing box is slidably connected with a placing plate;

[0012] Through the arrangement of the placing plate, the placing plate is slidably connected inside the placing box during use, so as to classify and place the cable.

[0013] The inside of the device body is fixedly connected with a straight rod;

[0014] Through the arrangement of the straight rod, the straight rod is distributed at the four corners of the bottom end of the device body during use, and the top end of the straight rod is fixedly connected with the top plate, so as to achieve the effect of supporting and fixing the top plate; and the four corners of the lower pressing plate are slidingly connected with the surface of the straight rod, so as to achieve the effect of limiting the lower pressing plate.

[0015] Preferably, the top end of the straight rod is fixedly connected with a top plate;

[0016] Through the arrangement of the top plate, the top plate is fixedly connected at the top end of the straight rod during use, and the middle part of the top plate is threadedly connected with the threaded rod, so as to achieve the effect of providing a connection position for the threaded rod.

[0017] The inside of the top plate is threadedly connected with a threaded rod;

[0018] Through the arrangement of the threaded rod, the threaded rod is threadedly connected in the middle part of the top plate during use, so as to achieve the effect of providing a pressing force for the lower pressing plate.

[0019] The bottom end of the threaded rod is rotatably connected with the lower pressing plate through a bearing;

[0020] Through the arrangement of the lower pressing plate, the lower pressing plate is rotatably connected at the bottom end of the threaded rod during use, so as to achieve the effect of providing a pressing force for the fixed plate.

[0021] Preferably, the bottom of the lower pressing plate is fixedly connected with a fixed plate;

[0022] Through the arrangement of the fixed plate, the fixed plate is fixedly connected at the bottom end of the lower pressing plate during use, and the fixed plate and the placing plate are used in cooperation, so as to achieve the effect of clamping and fixing the cable.

[0023] The top of the device body is slidingly connected with a top cover;

[0024] Through the arrangement of the top cover, the top cover is slidingly connected at the top end of the device body during use, so as to achieve the effect of protecting the device body.

[0025] One side of the top cover is fixedly connected with a connecting rod;

[0026] Through the arrangement of the connecting rod, the connecting rod is fixedly connected on both sides of the top cover during use, and the other end of the connecting rod is fixedly connected with a mounting plate, so as to achieve the effect of fixedly connecting the mounting plate and the top cover;

[0027] Through the arrangement of the connecting rod, the surface of the connecting rod is sleeved with a compression spring during use, so as to achieve the effect of limiting the compression spring;

[0028] The two sides of the pull plate are in sliding connection with the surface of the connecting rod during use, so that the pull plate is limited.

[0029] Preferably, one end of the connecting rod is fixedly connected with a mounting plate.

[0030] The middle part of the mounting plate is in sliding connection with a pull rod during use, so that the pull rod is limited.

[0031] The inside of the mounting plate is in sliding connection with a pull rod.

[0032] The pull rod is in sliding connection with the middle part of the mounting plate during use, so that the pull plate is conveniently pulled.

[0033] One end of the pull rod is fixedly connected with a pull plate, and the pull plate is in sliding connection with the connecting rod.

[0034] The pull plate is in sliding connection with the surface of the connecting rod during use, so that the pull plate is conveniently pulled.

[0035] Preferably, the outer surface of the connecting rod is sleeved with a compression spring, and the two ends of the compression spring are fixedly connected with the mounting plate and the pull plate.

[0036] The compression spring is fixedly connected between the mounting plate and the pull plate during use, and the compression spring is sleeved on the surface of the connecting rod, so that the pull plate is provided with elastic force.

[0037] One side of the pull plate is fixedly connected with a plug rod.

[0038] The plug rod is fixedly connected to one side of the pull plate during use, and the plug rod is inserted into the fixed hole on the two sides of the device body, so that the top cover and the device body are fixed.

[0039] Preferably, the inner wall of the device body is provided with a heat dissipation hole, and the heat dissipation hole is located on the two sides of the device body.

[0040] The heat dissipation holes are distributed on the two sides of the device body during use, so that the heat generated by the cable during work is dissipated, and the service life of the cable is prolonged.

[0041] Preferably, the inner wall of the placing box is provided with a sliding groove, and the sliding groove is in sliding connection with the placing plate.

[0042] The sliding grooves are distributed on the two sides of the inner wall of the placing box during use, and the sliding grooves are in sliding connection with the placing plate, so that the placing plate is conveniently disassembled, replaced or repaired.

[0043] Preferably, one end of the threaded rod is fixedly connected with a rotating disc, and the rotating disc is circular in shape.

[0044] Through the setting of the rotating disc, the rotating disc is fixedly connected at the top end of the threaded rod during use, so that the threaded rod is conveniently rotated, and convenience is improved.

[0045] Preferably, the inner wall of the device body is provided with a fixing hole, and the size of the fixing hole is matched with the size of the insertion rod.

[0046] Through the setting of the fixing hole, the fixing hole is distributed on both sides of the inner wall of the device body during use, and the fixing hole and the insertion rod are used in cooperation with each other, so that the fixing effect between the top cover and the device body is achieved.

[0047] Preferably, one end of the pull rod is fixedly connected with a pull head, and the outer surface of the pull head is fixedly connected with an anti-skid sleeve.

[0048] Through the setting of the pull head, the pull head is fixedly connected at one end of the pull rod during use, so that the pull rod is conveniently pulled, and convenience is improved.

[0049] Through the setting of the anti-skid sleeve, the anti-skid sleeve is fixedly connected on the surface of the pull head during use, so that the anti-skid effect is achieved when the pull head is pulled.

[0050] Compared with the prior art, the utility model has the advantages that,

[0051] 1. The line protection device for railway electrification is convenient for classifying and placing cables through the setting of the placing plate, is convenient for disassembling, replacing or repairing through the sliding connection of the placing plate and the sliding groove, and makes the threaded rod drive the lower pressing plate and the fixed plate to move downward when the threaded rod rotates, fixes the cables at the top by the fixed plate, and avoids the cables from falling off.

[0052] 2. The line protection device for railway electrification makes the insertion rod pull out from the fixing hole in the device body and separates the top cover from the device body when the pull rod drives the pull plate to slide on the outer surface of the connecting rod and compresses the compression spring when the pull rod is pulled to two sides, so that the top cover can be disassembled, operation is simple, and disassembling time is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0053] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0054] Figure 1 It is a structural schematic view of the utility model;

[0055] Figure 2 It is a structural side view of the utility model;

[0056] Figure 3The utility model discloses structure overhead view shows the structure of the utility model.

[0057] Reference signs:

[0058] 1, device body;2, support block;3, placing box;4, placing plate;5, straight bar;6, top plate;7, threaded rod;8, lower pressing plate;9, fixed plate;10, top cover;11, connecting rod;12, mounting plate;13, pull rod;14, pull plate;15, compression spring;16, plug rod;17, heat dissipation hole;18, sliding groove;19, turntable;20, pull head. DETAILED DESCRIPTION

[0059] The utility model will be further described below with the drawings.

[0060] Example one

[0061] As Figure 1 shown, Figure 1 The utility model discloses structure schematic view shows the structure of the utility model.

[0062] As Figure 2 shown, Figure 2 The utility model discloses structure side view shows the structure of the utility model.

[0063] As Figure 3 shown, Figure 3 The utility model discloses structure overhead view shows the structure of the utility model.

[0064] The utility model provides a line protection device for railway electrification, including device body 1, the inside fixed connection of device body 1 has support block 2;

[0065] Through the setting of support block 2, when using, support block 2 is fixedly connected to the bottom end inside device body 1, and the top end of support block 2 is fixedly connected with placing box 3, so as to reach the effect of supporting placing box 3.

[0066] The top of support block 2 is fixedly connected with placing box 3;

[0067] Through the setting of placing box 3, when using, placing box 3 is fixedly connected to the top end of support block 2, so as to reach the effect of limiting cable.

[0068] The inside of placing box 3 is slidably connected with placing plate 4;

[0069] Through the setting of placing plate 4, when using, placing plate 4 is slidably connected inside placing box 3, so as to reach the effect of classifying and placing cable.

[0070] The inside of device body 1 is fixedly connected with straight bar 5;

[0071] The straight rod 5 is arranged at the four corners of the bottom end of the device body 1, and the top end of the straight rod 5 is fixedly connected with the top plate 6, so as to support and fix the top plate 6.

[0072] The top end of the straight rod 5 is fixedly connected with the top plate 6;

[0073] The top plate 6 is fixedly connected at the top end of the straight rod 5, and the middle part of the top plate 6 is threadedly connected with the threaded rod 7, so as to provide a connection position for the threaded rod 7.

[0074] The inside of the top plate 6 is threadedly connected with the threaded rod 7;

[0075] The threaded rod 7 is threadedly connected in the middle part of the top plate 6, so as to provide a downward pressure for the pressing plate 8.

[0076] The bottom end of the threaded rod 7 is rotatably connected with the pressing plate 8 through a bearing;

[0077] The pressing plate 8 is rotatably connected at the bottom end of the threaded rod 7, so as to provide a downward pressure for the fixed plate 9.

[0078] The bottom end of the pressing plate 8 is fixedly connected with the fixed plate 9;

[0079] The fixed plate 9 is fixedly connected at the bottom end of the pressing plate 8, and is used in cooperation with the placing plate 4, so as to clamp and fix the cable.

[0080] The top end of the device body 1 is slidably connected with the top cover 10;

[0081] The top cover 10 is slidably connected at the top end of the device body 1, so as to protect the device body 1.

[0082] One side of the top cover 10 is fixedly connected with the connecting rod 11;

[0083] The connecting rod 11 is fixedly connected at both sides of the top cover 10, and the other end of the connecting rod 11 is fixedly connected with the mounting plate 12, so as to fixedly connect the mounting plate 12 with the top cover 10;

[0084] The surface of the connecting rod 11 is sleeved with the compression spring 15, so as to limit the compression spring 15;

[0085] Through the setting of the connecting rod 11, the two sides of the pull plate 14 are in sliding connection with the surface of the connecting rod 11 in use, so that the limiting effect of the pull plate 14 is achieved.

[0086] One end of the connecting rod 11 is fixedly connected with the mounting plate 12.

[0087] Through the setting of the mounting plate 12, the middle part of the mounting plate 12 is in sliding connection with the pull rod 13 in use, so that the limiting effect of the pull rod 13 is achieved.

[0088] The pull rod 13 is in sliding connection with the inside of the mounting plate 12.

[0089] Through the setting of the pull rod 13, the pull rod 13 is in sliding connection with the middle part of the mounting plate 12 in use, so that the effect of facilitating the pulling of the pull plate 14 is achieved.

[0090] One end of the pull rod 13 is fixedly connected with the pull plate 14, and the pull plate 14 is in sliding connection with the connecting rod 11.

[0091] Through the setting of the pull plate 14, the pull plate 14 is in sliding connection with the surface of the connecting rod 11 in use, so that the effect of facilitating the pulling of the plug rod 16 is achieved.

[0092] The compression spring 15 is sleeved on the outer surface of the connecting rod 11, and the two ends of the compression spring 15 are fixedly connected with the mounting plate 12 and the pull plate 14, respectively.

[0093] Through the setting of the compression spring 15, the compression spring 15 is fixedly connected between the mounting plate 12 and the pull plate 14 in use, and the compression spring 15 is sleeved on the surface of the connecting rod 11, so that the effect of providing the pull plate 14 with elasticity is achieved.

[0094] One side of the pull plate 14 is fixedly connected with the plug rod 16.

[0095] Through the setting of the plug rod 16, the plug rod 16 is fixedly connected to one side of the pull plate 14 in use, and the plug rod 16 is inserted into the fixed hole on the two sides of the device body 1, so that the effect of fixing the top cover 10 and the device body 1 is achieved.

[0096] Through the setting of the placing plate 4, the cables are conveniently classified and placed. Through the setting of the threaded rod 7, the threaded rod 7 drives the downward movement of the lower pressing plate 8 and the fixed plate 9 when rotating, and the cables on the top are fixed by the fixed plate 9, so that the cables are prevented from falling off. Through the setting of the pull rod 13, the pull rod 13 drives the pull plate 14 to slide on the outer surface of the connecting rod 11 when pulled to the two sides, so that the compression spring 15 is compressed, the plug rod 16 is pulled out of the fixed hole in the device body 1, the top cover 10 is separated from the device body 1, and the top cover 10 can be removed, which is simple in operation and reduces the disassembly time.

[0097] Example Two

[0098] As Figure 2 shown, Figure 2 is a structural side view of the utility model;

[0099] The utility model provides a line protection device for railway electrification, including device body 1, the inside fixed connection of device body 1 has support block 2;

[0100] Through the setting of support block 2, when using, support block 2 is fixedly connected to the bottom end inside device body 1, and the top end of support block 2 is fixedly connected with placing box 3, to reach the effect of supporting placing box 3.

[0101] The top of support block 2 is fixedly connected with placing box 3;

[0102] Through the setting of placing box 3, when using, placing box 3 is fixedly connected to the top end of support block 2, to reach the effect of limiting cable.

[0103] The inside of placing box 3 is slidably connected with placing plate 4;

[0104] Through the setting of placing plate 4, when using, placing plate 4 is slidably connected inside placing box 3, to reach the effect of classifying and placing cable.

[0105] The inside of device body 1 is fixedly connected with straight rod 5;

[0106] Through the setting of straight rod 5, when using, straight rod 5 is distributed at the four corners of the bottom end of device body 1, and the top end of straight rod 5 is fixedly connected with top plate 6, to reach the effect of supporting and fixing top plate 6;And the four corners of lower pressing plate 8 are slidably connected with the surface of straight rod 5, to reach the effect of limiting lower pressing plate 8.

[0107] The top end of straight rod 5 is fixedly connected with top plate 6;

[0108] Through the setting of top plate 6, when using, top plate 6 is fixedly connected to the top end of straight rod 5, and the middle part of top plate 6 is screwedly connected with threaded rod 7, to reach the effect of providing connecting position for threaded rod 7.

[0109] The inside of top plate 6 is screwedly connected with threaded rod 7;

[0110] Through the setting of threaded rod 7, when using, threaded rod 7 is screwedly connected in the middle part of top plate 6, to reach the effect of providing pressing force for lower pressing plate 8.

[0111] The bottom end of threaded rod 7 is rotatably connected with lower pressing plate 8 through bearing;

[0112] Through the setting of lower pressing plate 8, when using, lower pressing plate 8 is rotatably connected to the bottom end of threaded rod 7, to reach the effect of providing pressing force for fixed plate 9.

[0113] The bottom of the lower pressing plate 8 is fixedly connected with a fixing plate 9;

[0114] Through the setting of the fixing plate 9, the fixing plate 9 is fixedly connected at the bottom end of the lower pressing plate 8 in use, and is used in cooperation with the placement plate 4, so as to achieve the effect of clamping and fixing the cable.

[0115] The top of the device body 1 is slidably connected with a top cover 10;

[0116] Through the setting of the top cover 10, the top cover 10 is slidably connected at the top end of the device body 1 in use, so as to achieve the effect of protecting the device body 1.

[0117] One side of the top cover 10 is fixedly connected with a connecting rod 11;

[0118] Through the setting of the connecting rod 11, the connecting rod 11 is fixedly connected at both sides of the top cover 10 in use, and the other end of the connecting rod 11 is fixedly connected with a mounting plate 12, so as to achieve the effect of fixedly connecting the mounting plate 12 with the top cover 10;

[0119] Through the setting of the connecting rod 11, the surface of the connecting rod 11 is sleeved with a compression spring 15 in use, so as to achieve the effect of limiting the compression spring 15;

[0120] Through the setting of the connecting rod 11, both sides of the pull plate 14 are slidably connected with the surface of the connecting rod 11 in use, so as to achieve the effect of limiting the pull plate 14.

[0121] One end of the connecting rod 11 is fixedly connected with the mounting plate 12;

[0122] Through the setting of the mounting plate 12, the middle part of the mounting plate 12 is slidably connected with a pull rod 13 in use, so as to achieve the effect of limiting the pull rod 13.

[0123] The inside of the mounting plate 12 is slidably connected with the pull rod 13;

[0124] Through the setting of the pull rod 13, the pull rod 13 is slidably connected at the middle part of the mounting plate 12 in use, so as to achieve the effect of conveniently pulling the pull plate 14.

[0125] One end of the pull rod 13 is fixedly connected with the pull plate 14, and the pull plate 14 is slidably connected with the connecting rod 11;

[0126] Through the setting of the pull plate 14, the pull plate 14 is slidably connected on the surface of the connecting rod 11 in use, so as to achieve the effect of conveniently pulling the plug rod 16.

[0127] The outer surface of the connecting rod 11 is sleeved with the compression spring 15, and both ends of the compression spring 15 are fixedly connected with the mounting plate 12 and the pull plate 14, respectively;

[0128] Through the setting of the compression spring 15, the compression spring 15 is fixedly connected between the mounting plate 12 and the pull plate 14 in use, and the compression spring 15 is sleeved on the surface of the connecting rod 11, so that the effect of providing the pull plate 14 with elasticity is achieved.

[0129] One side of the pull plate 14 is fixedly connected with the insertion rod 16.

[0130] Through the setting of the insertion rod 16, the insertion rod 16 is fixedly connected on one side of the pull plate 14 in use, and the insertion rod 16 is inserted into the fixed hole on the two sides of the device body 1, so that the effect of fixing the top cover 10 and the device body 1 is achieved.

[0131] The inner wall of the device body 1 is provided with the heat dissipation holes 17, and the heat dissipation holes 17 are located on the two sides of the device body 1.

[0132] Through the setting of the heat dissipation holes 17, the heat dissipation holes 17 are distributed on the two sides of the device body 1 in use, so that the effect of facilitating the heat generated by the cable in operation to be dissipated and prolonging the service life of the cable is achieved.

[0133] The inner wall of the placing box 3 is provided with the sliding grooves 18, and the sliding grooves 18 are slidably connected with the placing plate 4.

[0134] Through the setting of the sliding grooves 18, the sliding grooves 18 are distributed on the two sides of the inner wall of the placing box 3 in use, and the sliding grooves 18 are slidably connected with the placing plate 4, so that the effect of facilitating the placing plate 4 to be disassembled, replaced or repaired is achieved.

[0135] In use, the cable is placed in the inside of the placing plate 4, and the cable is classified and placed through the placing plate 4, and the placing plate 4 and the sliding grooves 18 are slidably connected, so that the placing plate 4 can be disassembled, replaced or repaired, after the placing plate 4 is placed, the threaded rod 7 is rotated, the threaded rod 7 is rotatably connected with the pressing plate 8, so as to drive the pressing plate 8 and the fixed plate 9 to move downward, the cable at the top is fixed by the fixed plate 9, and the cable is prevented from falling off.

[0136] Example three

[0137] As shown in the figure, Figure 3 the structure top view of the utility model is shown in the figure, Figure 3 the structure top view of the utility model is shown in the figure,

[0138] The utility model provides a line protection device for railway electrification, which comprises a device body 1, and a supporting block 2 is fixedly connected in the inside of the device body 1.

[0139] Through the setting of the supporting block 2, the supporting block 2 is fixedly connected to the bottom end in the inside of the device body 1 in use, and the top end of the supporting block 2 is fixedly connected with the placing box 3, so that the effect of supporting the placing box 3 is achieved.

[0140] The top of the supporting block 2 is fixedly connected with a placing box 3;

[0141] Through the setting of the placing box 3, the placing box 3 is fixedly connected at the top end of the supporting block 2 during use, so that the effect of limiting the cable is achieved.

[0142] The inside of the placing box 3 is slidably connected with a placing plate 4;

[0143] Through the setting of the placing plate 4, the placing plate 4 is slidably connected inside the placing box 3 during use, so that the effect of classifying and placing the cable is achieved.

[0144] The inside of the device body 1 is fixedly connected with a straight rod 5;

[0145] Through the setting of the straight rod 5, the straight rod 5 is distributed at the four corners of the bottom end of the device body 1 during use, and the top end of the straight rod 5 is fixedly connected with a top plate 6, so that the effect of supporting and fixing the top plate 6 is achieved; and the four corners of the lower pressing plate 8 are slidably connected with the surface of the straight rod 5, so that the effect of limiting the lower pressing plate 8 is achieved.

[0146] The top end of the straight rod 5 is fixedly connected with the top plate 6;

[0147] Through the setting of the top plate 6, the top plate 6 is fixedly connected at the top end of the straight rod 5 during use, and the middle part of the top plate 6 is threadedly connected with the effect of the threaded rod 7, so that the effect of providing a connection position for the threaded rod 7 is achieved.

[0148] The inside of the top plate 6 is threadedly connected with the threaded rod 7;

[0149] Through the setting of the threaded rod 7, the threaded rod 7 is threadedly connected in the middle part of the top plate 6 during use, so that the effect of providing a pressing force for the lower pressing plate 8 is achieved.

[0150] The bottom end of the threaded rod 7 is rotatably connected with the lower pressing plate 8 through a bearing;

[0151] Through the setting of the lower pressing plate 8, the lower pressing plate 8 is rotatably connected at the bottom end of the threaded rod 7 during use, so that the effect of providing a pressing force for the fixed plate 9 is achieved.

[0152] The bottom of the lower pressing plate 8 is fixedly connected with the fixed plate 9;

[0153] Through the setting of the fixed plate 9, the fixed plate 9 is fixedly connected at the bottom end of the lower pressing plate 8 during use, and is used in cooperation with the placing plate 4, so that the effect of clamping and fixing the cable is achieved.

[0154] The top of the device body 1 is slidably connected with a top cover 10;

[0155] Through the setting of the top cover 10, the top cover 10 is slidably connected at the top end of the device body 1 during use, so that the effect of protecting the device body 1 is achieved.

[0156] One side of the top cover 10 is fixedly connected with the connecting rod 11;

[0157] Through the setting of the connecting rod 11, the connecting rod 11 is fixedly connected on both sides of the top cover 10 in use, and the other end of the connecting rod 11 is fixedly connected with the mounting plate 12, so as to achieve the effect of fixedly connecting the mounting plate 12 with the top cover 10;

[0158] Through the setting of the connecting rod 11, the surface of the connecting rod 11 is sleeved with the compression spring 15 in use, so as to achieve the effect of limiting the compression spring 15;

[0159] Through the setting of the connecting rod 11, both sides of the pull plate 14 are slidably connected with the surface of the connecting rod 11 in use, so as to achieve the effect of limiting the pull plate 14.

[0160] One end of the connecting rod 11 is fixedly connected with the mounting plate 12;

[0161] Through the setting of the mounting plate 12, the middle part of the mounting plate 12 is slidably connected with the pull rod 13 in use, so as to achieve the effect of limiting the pull rod 13.

[0162] The inside of the mounting plate 12 is slidably connected with the pull rod 13;

[0163] Through the setting of the pull rod 13, the pull rod 13 is slidably connected in the middle part of the mounting plate 12 in use, so as to achieve the effect of facilitating pulling the pull plate 14.

[0164] One end of the pull rod 13 is fixedly connected with the pull plate 14, and the pull plate 14 is slidably connected with the connecting rod 11;

[0165] Through the setting of the pull plate 14, the pull plate 14 is slidably connected on the surface of the connecting rod 11 in use, so as to achieve the effect of facilitating pulling the plug rod 16.

[0166] The outer surface of the connecting rod 11 is sleeved with the compression spring 15, and both ends of the compression spring 15 are fixedly connected with the mounting plate 12 and the pull plate 14 respectively;

[0167] Through the setting of the compression spring 15, the compression spring 15 is fixedly connected between the mounting plate 12 and the pull plate 14 in use, and the compression spring 15 is sleeved on the surface of the connecting rod 11, so as to achieve the effect of providing elasticity for the pull plate 14.

[0168] One side of the pull plate 14 is fixedly connected with the plug rod 16;

[0169] Through the setting of the plug rod 16, the plug rod 16 is fixedly connected on one side of the pull plate 14 in use, and the plug rod 16 is inserted into the fixed hole on both sides of the device body 1, so as to achieve the effect of fixing the top cover 10 with the device body 1.

[0170] The inner wall of the device body 1 is provided with heat dissipation holes 17, which are located on both sides of the device body 1.

[0171] Through the arrangement of the heat dissipation holes 17, the heat dissipation holes 17 are distributed on both sides of the device body 1 during use, so as to achieve the effect of facilitating the dissipation of heat generated by the cable during operation and prolonging the service life of the cable.

[0172] The inner wall of the placing box 3 is provided with a sliding groove 18, which is in sliding connection with the placing plate 4.

[0173] Through the arrangement of the sliding groove 18, the sliding groove 18 is distributed on both sides of the inner wall of the placing box 3 during use, and the sliding groove 18 is in sliding connection with the placing plate 4, so as to achieve the effect of facilitating the disassembly, replacement or maintenance of the placing plate 4.

[0174] One end of the threaded rod 7 is fixedly connected with a rotating disc 19, and the rotating disc 19 is circular in shape.

[0175] Through the arrangement of the rotating disc 19, the rotating disc 19 is fixedly connected to the top end of the threaded rod 7 during use, so as to achieve the effect of facilitating the rotation of the threaded rod 7 and increase the convenience.

[0176] The inner wall of the device body 1 is provided with a fixing hole, and the size of the fixing hole is matched with the size of the insertion rod 16.

[0177] Through the arrangement of the fixing hole, the fixing hole is distributed on both sides of the inner wall of the device body 1 during use, and the fixing hole is used in cooperation with the insertion rod 16, so as to achieve the effect of fixing the top cover 10 and the device body 1.

[0178] By pulling out the insertion rod 16 from the fixing hole, the top cover 10 is separated from the device body 1, and the top cover 10 can be removed.

[0179] One end of the pull rod 13 is fixedly connected with a pull head 20, and the outer surface of the pull head 20 is fixedly connected with an anti-skid sleeve.

[0180] Through the arrangement of the pull head 20, the pull head 20 is fixedly connected to one end of the pull rod 13 during use, so as to achieve the effect of facilitating the pulling of the pull rod 13 and increase the convenience.

[0181] Through the arrangement of the anti-skid sleeve, the anti-skid sleeve is fixedly connected to the surface of the pull head 20 during use, so as to achieve the effect of preventing slipping when pulling the pull head 20.

[0182] When it is necessary to disassemble the top cover 10, the pull head 20 is pulled to both sides, the pull plate 14 is driven to slide on the outer surface of the connecting rod 11, the compression spring 15 is compressed, the insertion rod 16 is pulled out from the fixing hole in the device body 1, the top cover 10 is separated from the device body 1, and the top cover 10 can be removed, which is simple in operation and reduces the disassembly time.

[0183] Although the present application has been described with reference to the preferred embodiments, various modifications can be made to the application without departing from the scope thereof. In particular, individual features mentioned in each of the embodiments can be permissibly combined with each other in any way, provided that there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A line protection device for railway electrification, characterized in that, The device includes a main body, a support block fixedly connected inside the main body, a placement box fixedly connected to the top of the support block, the placement box can limit the cable, a placement plate is slidably connected inside the placement box, and straight rods are fixedly connected inside the main body, the straight rods being distributed at the four corners of the bottom of the main body.

2. The railway electrification line protection device according to claim 1, characterized in that, A top plate is fixedly connected to the top of the straight rod, and a threaded rod is threaded inside the top plate. The bottom end of the threaded rod is rotatably connected to the lower pressure plate through a bearing. The four corners of the lower pressure plate are slidably connected to the surface of the straight rod.

3. A railway electrification line protection device according to claim 2, characterized in that, A fixing plate is fixedly connected to the bottom of the lower pressure plate, and a top cover is slidably connected to the top of the device body. A connecting rod is fixedly connected to one side of the top cover, and the connecting rods are distributed on both sides of the top cover.

4. A railway electrification line protection device according to claim 3, characterized in that, One end of the connecting rod is fixedly connected to a mounting plate, and a pull rod is slidably connected inside the mounting plate. The pull rod is slidably connected to the middle of the mounting plate, thereby achieving the effect of limiting the pull rod. One end of the pull rod is fixedly connected to a pull plate, and the pull plate is slidably connected to the connecting rod.

5. A railway electrification line protection device according to claim 4, characterized in that, A compression spring is fitted onto the outer surface of the connecting rod. The two ends of the compression spring are fixedly connected to the mounting plate and the pull plate, respectively, thereby providing elastic force to the pull plate. A plug rod is fixedly connected to one side of the pull plate, and the other end of the plug rod is connected to the fixing holes on both sides of the device body, thereby fixing the top cover to the device body.

6. A railway electrification line protection device according to claim 5, characterized in that, The inner wall of the device body is provided with heat dissipation holes, which are located on both sides of the device body, so as to facilitate the dissipation of heat generated by the cable during operation and extend the service life of the cable.

7. A railway electrification line protection device according to claim 6, characterized in that, The inner wall of the placement box is provided with a sliding groove, which is distributed on both sides of the inner wall of the placement box. The sliding groove is slidably connected to the placement plate, thereby facilitating the disassembly of the placement plate for replacement or maintenance.

8. A railway electrification line protection device according to claim 7, characterized in that, A turntable is fixedly connected to one end of the threaded rod. The turntable is fixedly connected to the top of the threaded rod. The turntable is circular in shape, thereby facilitating the rotation of the threaded rod.

9. A railway line protection device for electrification according to claim 8, characterized in that, The inner wall of the device body is provided with fixing holes, which are distributed on both sides of the inner wall of the device body. The size of the fixing holes is adapted to the size of the insertion rod. The fixing holes and the insertion rod are connected to each other to achieve the effect of fixing the top cover to the device body.

10. A railway electrification line protection device according to claim 9, characterized in that, One end of the pull rod is fixedly connected to a pull head, thereby facilitating the pulling of the pull rod. The outer surface of the pull head is fixedly connected to an anti-slip sleeve, thereby achieving an anti-slip effect when pulling the pull head.

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