Combined rail-side support and signaling device for a backfill-free excavation pit

Abstract

Combined rail-side support for a backfill-free excavation, characterized in that it comprises a support platform (1), the bottom of the support platform (1) being arranged in an excavation (10), and the top of the support platform (1) extending upwards to the outside of the excavation (10); the combined rail-side bracket further comprises a first arrangement frame (2) and a second arrangement frame (3); the first arrangement frame (2) and the second arrangement frame (3) are detachably connected to a top surface of the support platform (1); the first arrangement frame (2) and the second arrangement frame (3) are arranged above the ground; the support platform (1) is suitable for supporting a signaling device (5); the first arrangement frame (2) is suitable for supporting a directional division box (6); and the second arrangement frame (3) is suitable for supporting a junction box (7).

Description

Technical area

[0001] The present utility model relates to the field of signaling systems and in particular to a combined rail-side bracket and a signaling device for a backfill-free excavation pit. background

[0002] A signaling system is the basic track-side equipment of railway and light rail traffic. The railway signaling system, which uses the basic signal as the main signal and instructs the driver to proceed according to the signaling system's indication, is one of the important components of the railway signaling system.

[0003] In the vehicle depot or parking lot, the signaling system is often configured to ensure safe and orderly train operation within the vehicle depot or parking lot. Proper design, installation, and maintenance of the signaling system can effectively control train traffic within the vehicle depot or parking lot to ensure overall safety and efficient operation. As described in Fig. 1, a cable 20 is generally laid through an underground tunnel in a vehicle depot or parking lot. When a signaling device needs to be installed next to a rail, the cable 20 is introduced into the excavation 10 by excavating the excavation 10 to communicate with the underground tunnel, and the cable 20 is connected to a junction box including a directional distribution box 6 and a junction box 7. An output line 30 of the junction box is connected to the signaling device 5. Further, a plurality of sets of brackets are provided in the excavation, and the directional division box 6, the junction box 7, and the signaling device 5 are each supported by a plurality of sets of brackets.

[0004] However, since multiple sets of brackets need to be installed in the excavation pit, all operators must descend into the pit for construction. Therefore, the process is extremely cumbersome, which not only increases the construction process and labor costs, but also makes the installation of multiple sets of brackets difficult because the excavation pit floor may be uneven. Summary of the utility model

[0005] The purpose of the utility model is therefore to develop a combined rail-side support and signaling system for a backfill-free excavation to solve the problem that, in the prior art, multiple sets of support are present in the excavation, all of which require operators to descend into the excavation for construction. This is extremely inconvenient and not only results in a longer construction process and higher labor costs, but also makes it difficult to install multiple sets of support due to the unevenness of the excavation floor.

[0006] The present utility model firstly provides a combined rail-side support for a backfill-free excavation pit, comprising a support platform, wherein the bottom of the support platform is arranged in an excavation pit, and the top of the support platform extends upwards to the outside of the excavation pit; the combined rail-side bracket further comprises a first assembly frame and a second assembly frame; the first assembly frame and the second assembly frame are releasably connected to a top surface of the support platform; the first assembly frame and the second assembly frame are located above the ground; the support platform is suitable for supporting / holding a signaling device; the first arrangement frame is suitable for supporting a directional distribution box; and the second arrangement frame is suitable for supporting a junction box.

[0007] The combined rail-side support of the present application comprises a support platform, the bottom surface of the support platform being disposed in an excavation and the top surface of the support platform extending upward to the outside of the excavation such that the support platform protrudes from the excavation; a first arranging frame and a second arranging frame are detachably connected to a top surface of the support platform; the first arranging frame and the second arranging frame are located above the ground; the support platform is suitable for supporting a signaling device; the first arranging frame is suitable for supporting a directional divider box; and the second arranging frame is suitable for supporting the junction box.Thus, the direction divider box and the junction box are indirectly arranged on the support platform. The support platform cooperates with the first arrangement frame and the second arrangement frame to support the signaling device, the direction divider box, and the junction box via the support platform. This reduces the arrangement of the bracket and shortens the working time of the personnel in the excavation. The process is simplified. It not only reduces the construction process and labor costs, but also reduces the number of brackets to be installed and the difficulty of installing the bracket at the bottom of the excavation, because the support platform must be arranged at the bottom of the excavation, thus accelerating the efficiency of the bracket installation.

[0008] Preferably, the first arrangement frame comprises two opposing bending rods, one end of the two bending rods forming a connecting portion near the support platform, and the connecting portion being used for a detachable connection to the support platform; and one end of the two bending rods remote from the support platform forms an arrangement section for the arrangement of the directional division box.

[0009] Preferably, the bending rod comprises a first vertical segment, a transverse segment and a second vertical segment connected in sequence; two first vertical segments arranged opposite each other form the connecting section; and the first vertical segment is bolted to the support platform.

[0010] Preferably, two second vertical segments arranged opposite each other form the arrangement section; and a screw hole corresponding to the direction division box is arranged on the second vertical segment.

[0011] Preferably, the first vertical segment, the transverse segment and the second vertical segment are all made of angle steel.

[0012] Preferably, the second arrangement bracket comprises a horizontal bar, an inclined bar and a vertical bar, wherein the horizontal bar, the inclined bar and the vertical bar form a triangular structure; and the vertical rod is screwed to the support platform.

[0013] Preferably, the horizontal bar is located above the top of the support platform; and A screw hole corresponding to the terminal box is arranged on the horizontal bar.

[0014] Preferably, the horizontal bar, the inclined bar and the vertical bar are all made of angle steel.

[0015] Preferably, the support platform is a frame construction. In a second aspect, the present utility model provides a signaling device for a backfill-free excavation pit, comprising a half-height column, the signaling device, the directional dividing box, the junction box and the combined rail-side bracket according to the present application; the half-height column is arranged on top of the support platform; the signaling device is arranged on top of the half-height column; the directional division box is arranged on the first arrangement frame; the junction box is arranged on the second arrangement frame; and the directional division box and the junction box are located above the ground.

[0016] In the signaling system described in this application, a half-height column is arranged on top of the support platform, and the signaling system is arranged on top of the half-height column. The signaling system controls the operation of the train through various light signals to ensure safe, efficient, and orderly operation of the train on the track. The half-height column is used to arrange the signaling system, the direction subdivision box is arranged on the first arrangement frame, and the junction box is arranged on the second arrangement frame. The direction subdivision box and the junction box are located above the ground, so that the direction subdivision box and the junction box are arranged indirectly on the support platform, and the signaling system, the direction subdivision box, and the junction box are supported by the support platform.This reduces the number of brackets required and shortens the operator's working time in the excavation pit during construction. Since the directional divider box and the junction box are connected to the support platform via the first and second arrangement frames, there is no need to excavate a large excavation pit, and the excavation area of ​​the excavation pit can be reduced, thereby saving construction costs and accelerating construction efficiency. Furthermore, it is also possible to arrange other auxiliary components on the support platform by adding arrangement frames to expand the function of the signaling system.

[0017] Compared with the prior art, the advantageous effects of the present utility model are as follows. 1. The combined rail-side bracket of the present application comprises a support platform, the bottom of the support platform being disposed in an excavation pit, and the top of the support platform extending upward to the outside of the excavation pit so that the support platform protrudes from the excavation pit; a first arranging frame and a second arranging frame are detachably connected to a top of the support platform; the first arranging frame and the second arranging frame are located above the ground; the support platform is suitable for supporting a signaling device; the first arranging frame is suitable for supporting a directional division box; and the second arranging frame is suitable for supporting the junction box.Thus, the direction divider box and the junction box are indirectly arranged on the support platform. The support platform cooperates with the first arrangement frame and the second arrangement frame to support the signaling device, the direction divider box, and the junction box via the support platform. This reduces the arrangement of the bracket and shortens the working time of the personnel in the excavation. The process is simplified. It not only reduces the construction process and labor costs, but because the support platform needs to be arranged at the bottom of the excavation, it also reduces the number of brackets and the difficulty of arranging the bracket at the bottom of the excavation, thus accelerating the efficiency of the bracket installation. 2. In the signaling system described in the present application, a half-height column is arranged on top of the support platform, and the signaling system is arranged on top of the half-height column. The signaling system controls the operation of the train through various light signals to ensure the safe, efficient, and orderly operation of the train on the line. The half-height column is used to arrange the signaling system, the direction division box is arranged on the first arrangement frame, and the junction box is arranged on the second arrangement frame. The direction division box and the junction box are located above the ground, so that the direction division box and the junction box are arranged indirectly on the support platform, and the signaling system, the direction division box, and the junction box are supported by the support platform.This reduces the number of brackets required and shortens the operator's working time in the excavation pit during construction. Since the directional divider box and the junction box are connected to the support platform via the first and second arrangement frames, there is no need to excavate a large excavation pit, and the excavation area of ​​the excavation pit can be reduced, thereby saving construction costs and accelerating construction efficiency. In addition, it is also possible to install other accessories on the support platform by adding arrangement frames to enhance the signaling system function. Short description of the drawings Fig. Figure 1 is a schematic representation of the arrangement of a signaling system according to the state of the art. Fig. 2 is a schematic representation of the arrangement of a signaling system according to the present application. Fig. 3 is a plan view of the signaling system of Fig. 2. Fig. 4 is a structural schematic view of a combined rail-side bracket according to the present application. Fig. 5 is a plan view of Fig. 4. Fig. 6 is a structural schematic view of a support platform. Fig. 7 is a structural schematic view of a first arrangement frame. Fig. 8 is a structural schematic view of a second arrangement frame.

[0018] The reference symbols in the drawings, 1-support platform, 11-upper plate, 12-vertical rod, 13-connecting plate, 14-lower plate, 2-first arrangement frame, 21-flexing rod, 211-first vertical segment, 212-transverse segment, 213-second vertical segment, 3-second arrangement frame, 31-horizontal rod, 32-inclined rod, 33-vertical rod, 4-half-height column, 5-signaling device, 6-directional division box, 7-junction box, 8-fixed base, 9-anti-skid stool, 10-excavation pit, 20-cable, 30-output line, 40-cover plate. Detailed description

[0019] The present utility model is explained in more detail below using specific examples. However, it should not be assumed that the scope of the above-mentioned subject matter of the present utility model is limited to the following examples. All technologies achieved based on the content of the present utility model fall within the scope of protection of the present utility model.

[0020] In the description of specific embodiments of the present utility model, the terms "upper," "lower," "left," "right," "center," "inner," "outer," and the like, when used, refer to any orientation or positional relationship unless otherwise specified, and are to be understood as expressions based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the product / device / apparatus of the present utility model is commonly used. These terms of orientation or positional relationship are used merely to facilitate description of aspects of the present utility model or to simplify the description of specific embodiments for those skilled in the art to quickly understand aspects.They do not imply that a particular device / part / element must have a particular orientation or be designed and operated in a particular positional relationship and should therefore not be construed as a limitation of the present utility model.

[0021] Furthermore, the presence of the terms "horizontal," "vertical," "overhanging," "parallel," and the like does not mean that the respective device / component / element must be absolutely horizontal or vertical, or overhanging, or parallel, but that it may be slightly inclined or offset. Where "horizontal" simply means that the direction is horizontal rather than "vertical," this does not mean that the structure must be completely horizontal, but that it may be slightly inclined. Alternatively, it can simply be assumed that the respective means / parts / elements arranged in a "horizontal," "vertical," "overhanging," "parallel" direction, etc., can be arranged with an error / deviation of ± 10%, more preferably within ± 8%, more preferably within ± 6%, more preferably within ± 5%, more preferably within ± 4%, relative to the respective direction.As long as the corresponding device / part / element is within the error / deviation range, its function can still be achieved in the solution of the present utility model.

[0022] Furthermore, the terms “first,” “second,” “third,” and the like in such sentences are used merely to distinguish between descriptions of the same or similar elements and are not to be understood as emphasizing or implying a relative importance of the respective element.

[0023] Furthermore, in the description of the examples of the present invention, "some," "a plurality," and "several" refer to at least two. It may be 2, 3, 4, 5, 6, 7, 8, 9, etc., and it may be more than 9.

[0024] Furthermore, the terms "providing," "assembling," "connecting," "connected," "equipped with," "laying," and "arranging" in the description of the technical solution of the present utility model should be understood in a broad sense, unless expressly stated / restricted / limited otherwise. For example, it may be a fixed connection, a detachable connection, or an integral connection, and it may be a connection means commonly used in technology, such as welding, riveting, bolting, screwing, etc. The connection may be a mechanical connection, an electrical connection, or a communication connection. They may be connected directly or indirectly via an intermediate medium, and there may be communication between the two elements. Example 1

[0025] As in the Fig. 2-5, the present embodiment discloses a combined rail-side support for a backfill-free excavation, comprising a support platform 1, wherein the bottom of the support platform 1 is arranged in an excavation 10 and the top of the support platform 1 extends upwards to the outside of the excavation 10; The combined rail-side bracket further comprises a first assembly frame 2 and a second assembly frame 3; the first assembly frame 2 and the second assembly frame 3 are detachably connected to a top surface of the support platform 1; the first assembly frame 2 and the second assembly frame 3 are arranged above the ground; the support platform 1 is adapted to support a signaling device 5; the first arrangement frame 2 is adapted to support a directional division box 6; and the second arrangement frame 3 is adapted to support a junction box 7.

[0026] The bottom surface of the support platform 1 is arranged in an excavation 10, and the top surface of the support platform 1 extends upward to the outside of the excavation 10, so that the support platform 1 protrudes from the excavation 10; a first arrangement frame 2 and a second arrangement frame 3 are detachably connected to an upper surface of the support platform 1; the first arrangement frame 2 and the second arrangement frame 3 are located above the ground; the support platform 1 is suitable for supporting a signaling device 5; the first arrangement frame 1 is suitable for supporting a directional division box 5; and the second arrangement frame 3 is suitable for supporting the junction box 7.Thus, the direction division box 6 and the junction box 7 are indirectly arranged on the support platform 1 by the support platform 1 cooperating with the first arrangement frame 2 and the second arrangement frame 3 to support the signaling device 5, the direction division box 6, and the junction box 7 through the support platform 1. This reduces the arrangement of the bracket and shortens the working time of the personnel in the excavation 10. The process is simplified. It not only reduces the construction process and labor costs, but also reduces the number of brackets and the difficulty of installing the bracket at the bottom of the foundation 10, since the support platform 1 must be arranged at the bottom of the excavation 10, thus accelerating the efficiency of the bracket installation.

[0027] In one or more embodiments, as described in the Fig. 4 and Fig. 5, the first arrangement frame 2 comprises two bending rods 21 arranged opposite each other, wherein one end of the two bending rods 21 near the support platform 1 forms a connecting portion, and the connecting portion is used for a detachable connection to the support platform 1; and one end of the two bending rods 21, which is remote from the support platform 1, forms an arranging section for arranging the direction division box 6.

[0028] The bending rod 21 is arranged on the support platform 1, and then the direction division box 6 is arranged on the bending rod 21, so that the direction division box 6 is indirectly arranged on the support platform 1 and the support platform 1 supports the direction division box 6 on the ground.

[0029] In an alternative embodiment, as in Fig. 7 shown, is Fig. 7a a side view of the bending rod 21, and Fig. 7b shows a top view of the flexure rod 21. The flexure rod 21 comprises a first vertical segment 211, a transverse segment 212, and a second vertical segment 213, which are connected to each other in sequence. Two first vertical segments 211, arranged opposite each other, form a connecting section. The first vertical segment 211 is bolted to the support platform 1.

[0030] The two second vertical segments 213, which are arranged opposite each other, form an arrangement section.

[0031] The second vertical segment 213 is provided with a bolt / screw hole corresponding to the directional division box 6.

[0032] As in Fig. As shown in Fig. 7b, the first vertical segment 211 is connected to an inner end of the transverse segment 212, and the second vertical segment 213 is connected to an outer end of the transverse segment 212, so that the bending rod 21 has a folded line shape.

[0033] Two opposing bending rods 21 form a first arrangement frame 2, two opposing first vertical segments 211 form a connecting section, and two opposing second vertical segments 213 form an arrangement section.

[0034] The distance between the two first vertical segments 211 is indirectly smaller than the distance between the two second vertical segments 213, and the first vertical segments 211 are connected to the support platform 1 via bolts, and further. As shown in Fig. 5, the first two vertical segments 211 are arranged on the front and rear side surfaces of the upper side of the support platform 1.

[0035] The second vertical segment 213 is provided with a bolt hole corresponding to the direction distribution box 6. The direction distribution box 6 is arranged on the second vertical segment 213 and then fixed to the second vertical segment 213 with a bolt.

[0036] In an alternative embodiment, the distance between the two second vertical segments 213 is adjusted by adjusting the length of the transverse segments 212 to allow the installation of junction boxes 6 of different sizes.

[0037] In an alternative embodiment, the first vertical segment 211, the transverse segment 212 and the second vertical segment 213 are all made of angle steel.

[0038] In one or more embodiments, as in Fig. 8 shown, is Fig. 8a a side view of the second arrangement bracket 3, Fig. 8b a front view of the second arrangement bracket 3 and Fig. 8c a top view of the second arrangement bracket 3.

[0039] The second arrangement frame 3 consists of a horizontal bar 31, an inclined bar 32 and a vertical bar 33. The horizontal bar 31, the inclined bar 32 and the vertical bar 33 form a triangular structure. The vertical rods 33 are screwed to the support platform 1.

[0040] The horizontal bar 31 is located above the top of the support platform 1.

[0041] The horizontal bar 31 is provided with a bolt hole corresponding to the terminal box 7.

[0042] The vertical rod 33 is screwed to the support platform 1 so that the horizontal rod 31 is positioned above the top of the support platform 1, and then the terminal box 7 is arranged on the horizontal rod 31, thereby indirectly positioning the terminal box 7 on the support platform 1. Thus, the support platform 1 supports the terminal box 7 on the ground.

[0043] Here, the side surface of the vertical rod 33 is provided with a bolt hole, and the vertical rod 33 is connected to the right side surface of the support platform 1 via a bolt, as shown in Fig. 5 shown.

[0044] A horizontal rod 31 is connected above the vertical rod 33, and the horizontal rod 31 is located above the top of the support platform 1. The horizontal rod 31 is provided with a bolt hole corresponding to the junction box 7, and the junction box 7 is arranged on the horizontal rod 31 by means of a screw.

[0045] In an alternative embodiment, the horizontal bar 31, the inclined bar 32 and the vertical bar 33 are all made of angle steel.

[0046] In one or more embodiments, as in Fig. 6 shown, is Fig. 6a a front view of the support platform 1 and Fig. 6b a side view of the support platform 1, The support platform 1 is a frame structure.

[0047] Herein, as in Fig. As shown in Figure 6, the support platform 1 includes a plurality of vertical bars 12, and adjacent vertical bars 12 are reinforced by a connecting plate 13. An upper plate 11 is connected to the top of the vertical bars 12. The upper plate 11 serves to connect the half-height columns 4, and a lower plate 14 is connected to the bottom of the vertical bars 12. The lower plate 14 serves to be arranged on the fixed base 8 at the bottom of the excavation pit 10.

[0048] As in Fig. As shown in Figure 6a, the connecting plate 13, which is located under the upper plate 11, is provided with a bolt hole in the horizontal direction. As shown in Fig. 5, the first vertical segment 211 of the bending rod 21 is connected to the connecting plate 13 by a bolt.

[0049] As in Fig. 6b, a vertical bolt hole is provided on the top of the vertical rod 12, and the vertical rod 33 of the second arrangement frame 3 is connected to the top of the vertical rod 12 by a bolt. Example 2

[0050] As in the Fig. 2-5, a signaling system for a backfill-free excavation comprises a half-height column 4, a signaling system 5, a direction subdivision box 6, a junction box 7 and a combined rail-side bracket according to one of claims 1-9,

[0051] The half-height column 4 is arranged on top of the support platform 1. The signaling device 5 is arranged on top of the half-height column 4. The direction division box 6 is arranged on the first arrangement frame 2. The junction box 7 is arranged on the second arrangement frame 3, and the direction division box 6 and the junction box 7 are located above the ground.

[0052] The signaling system 5 controls the operation of the train through various light signals to ensure safe, efficient, and orderly operation of the train on the line. The half-height pillar 4 is used to mount the signaling system 5. The directional subdivision box 6 is arranged on the first arrangement frame 2. The junction box 7 is arranged on the second arrangement frame 3, and the directional subdivision box 6 and the junction box 7 are located above the ground, so that the directional subdivision box 6 and the junction box 7 are indirectly arranged on the support platform 1. The signaling system 5, the directional subdivision box 6, and the junction box 7 are supported by the support platform 1. This reduces the arrangement of the bracket and reduces the operator's working time in the excavation during construction work.

[0053] In addition, since the directional separation box 6 and the junction box 7 are connected to the support platform 1 via the first assembly frame 2 and the second assembly frame 3, a large excavation pit 10 is not required, the excavation area of ​​the excavation pit 10 can be reduced, construction costs can be reduced, and construction efficiency can be accelerated. Furthermore, it is also possible to install other accessories on the support platform 1 by adding assembly frames to enhance the function of the signaling system.

[0054] The half-height columns 4 have different heights, and the corresponding half-height columns 4 are selected according to the height requirements of the signaling system 5. However, the signaling system 5 is arranged on the half-height columns 4 so that the indicator lights of the signaling system 5 can be seen by a train driver, with the signaling system 5 almost equivalent to that of a traffic light. A green, a yellow, and a red light are displayed, and whether a train can pass, decelerate, or stop is indicated by lights of different colors.

[0055] The present embodiment also discloses a construction method for installing the signaling device of the present application, and the specific steps are as follows. Step 1: A set of combined rail-side equipment supports used for a backfill-free excavation 10 is processed according to the parameters of the reserved size of the excavation 10 and the installation height of the 50 kgm steel rail, as shown in Fig. 4 shown; Step 2: According to the outdoor cable routing plan, after laying the signal cable at the reserved excavation pit 10, the installation of the support platform 1 is completed according to the boundary requirements for the construction of the trackside equipment. Step 3: A corresponding first arrangement frame 2 is selected according to the prepared support platform 1 to complete the fixing of the first arrangement frame 2 and the support platform 1, the fixing of the direction division box 6 and the first arrangement frame 2, and the formation of one end of the signal cable and the wiring. Step 4: After completion of the support platform 1, the half-height column 4 and the signaling system 5 are installed. Step 5: A corresponding second arrangement frame 3 is selected according to the model of the terminal box 7, the second arrangement frame 3 is fixed with the support platform 1, the terminal box 7 and the second arrangement frame 3, and the terminal box 7 is fixed with the flange of the half-height column 4 to complete the formation of a termination end of the signal cable and wiring. Step 6: The fixing of the axle counting box bracket and the support platform, the fixing of the axle counting box and its bracket, and the formation of a terminal end of the signal cable and wiring are completed according to the completed support platform 1. Step 7: According to the reserved size of the excavation pit 10 and the occupied area of ​​the rail-side equipment, the installation of the cross-pattern anti-skid steel plate bracket is completed, and the fixing of the cut cross-pattern anti-skid steel plate is completed, that is, a anti-skid stool 9 is installed on one side of the directional division box 6.

[0056] The foregoing are only preferred embodiments of the utility model and are not intended to limit the utility model. All modifications, equivalents, and improvements that are consistent with the spirit and principles of the utility model are intended to be included within the scope of this utility model.

[0057] The present utility model relates to the field of signaling equipment and to a combined rail-side bracket and signaling device for a backfill-free excavation. The combined rail-side bracket comprises a support platform, the bottom of the support platform being arranged in an excavation, and the top of the support platform extending upward to the outside of the excavation; a first arranging frame and a second arranging frame are detachably connected to a top of the support platform; the first arranging frame and the second arranging frame are located above the ground; the support platform is suitable for supporting / holding a signaling device; the first arranging frame is suitable for holding a directional divider box; and the second arranging frame is suitable for receiving the junction box.Thus, the direction divider box and the junction box are indirectly arranged on the support platform. The support platform cooperates with the first arrangement frame and the second arrangement frame to support the signaling device, the direction divider box, and the junction box via the support platform. This reduces the number of bracket arrangements and shortens the working time of the personnel in the excavation. At the same time, only the support platform needs to be arranged at the bottom of the excavation, thus reducing the number of bracket arrangements and alleviating the difficulty of arranging the bracket at the bottom of the excavation.

Claims

[1] Combined rail-side support for a backfill-free excavation pit, characterized by , comprising a support platform (1), wherein the bottom of the support platform (1) is arranged in an excavation pit (10), and the top of the support platform (1) extends upwards to the outside of the excavation pit (10); the combined rail-side bracket further comprises a first arrangement frame (2) and a second arrangement frame (3); the first arrangement frame (2) and the second arrangement frame (3) are detachably connected to a top surface of the support platform (1); the first arrangement frame (2) and the second arrangement frame (3) are arranged above the ground; the support platform (1) is suitable for supporting a signaling device (5); the first arrangement frame (2) is suitable for supporting a directional division box (6); and the second arrangement frame (3) is suitable for supporting a junction box (7). [2] Combined rail-side support for the backfill-free excavation pit according to claim 1, characterized by in that the first arrangement frame (2) comprises two mutually opposite bending rods (21), wherein one end of the two bending rods (21) near the support platform (1) forms a connecting portion, and the connecting portion serves for detachable connection to the support platform (1); and one end of the two bending rods (21) remote from the support platform (1) forms an arrangement portion for arranging the direction division box (6). [3] Combined rail-side support for the backfill-free excavation pit according to claim 2, characterized byin that the bending rod (21) comprises a first vertical segment (211), a transverse segment (212) and a second vertical segment (213) which are connected to one another in sequence; two first vertical segments (211) arranged opposite one another form the connecting section; and the first vertical segment (211) is screwed to the support platform (1). [4] Combined rail-side support for the backfill-free excavation pit according to claim 3, characterized by that two oppositely arranged second vertical segments (213) form the arrangement section; and a screw hole corresponding to the direction division box (6) is arranged on the second vertical segment (213). [5] Combined rail-side support for the backfill-free excavation pit according to claim 4, characterized by that the first vertical segment (211), the transverse segment (212) and the second vertical segment (213) are all made of angle steel. [6] Combined rail-side support for the backfill-free excavation pit according to claim 1, characterized by that the second arrangement frame (3) comprises a horizontal bar (31), an inclined bar (32) and a vertical bar (33), wherein the horizontal bar (31), the inclined bar (32) and the vertical bar (33) form a triangular structure; and the vertical bar (33) is connected to the support platform (1) by screws. [7] Combined rail-side support for the backfill-free excavation pit according to claim 6, characterized by that the horizontal bar (31) is arranged above the top of the support platform (1); and a screw hole corresponding to the connection box (7) is arranged on the horizontal bar (31). [8] Combined rail-side support for the backfill-free excavation pit according to claim 7, characterized bythat the horizontal bar (31), the inclined bar (32) and the vertical bar (33) are all made of angle steel. [9] Combined rail-side support for the backfill-free excavation pit according to claim 1, characterized by that the support platform (1) is a frame construction. [10] Signalling device for a backfill-free excavation pit, characterized bythat it comprises a half-height column (4), the signaling device (5), the directional dividing box (6), the junction box (7), and the combined rail-side bracket according to one of claims 1-9; wherein the half-height column (4) is arranged on the upper side of the support platform (1); the signaling device (5) is arranged on the upper side of the half-height column (4); the directional dividing box (6) is arranged on the first arrangement frame (2); the junction box (7) is arranged on the second arrangement frame (3); and the directional dividing box (6) and the junction box (7) are arranged above the ground.

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