A safe cable tray

Abstract

The invention discloses a safety cable tray, comprising a live detection mechanism, a ventilation trough, a control box, a waterproof docking mechanism, various internal support frames and various cable support mechanisms. The safety cable tray can detect the live state of the cable by using the live detection mechanism, so that the controller collects and controls the on and off state of the indicator light accordingly, so that the maintenance personnel can quickly know whether the cable is live, thereby enhancing the safety of maintenance; the ventilation trough can be used to store the cable, and has ventilation and heat dissipation performance, thereby extending the service life of the cable; the waterproof docking mechanism can realize the waterproof docking installation of the ends of adjacent ventilation troughs, thereby avoiding water ingress at the docking position during outdoor installation, thereby affecting the safety of the cable.

Description

Technical Field

[0001] The invention relates to a cable bridge, in particular to a safety cable bridge. Background Art

[0002] A cable tray is a type of cable tray used to place cables. Existing cable trays are dangerous during maintenance. For example, there is a problem of scratching the cables during cable laying, or the internal cables age faster due to poor heat dissipation during long-term use of the cable tray. When the cable tray is used outdoors and is not waterproof, if the cables in the cable tray are not disconnected from the power supply during maintenance by workers, it may cause certain dangers. Therefore, it is necessary to design a safe cable tray that can detect whether the cables inside are powered and issue a warning when the cables are powered, reminding workers to perform maintenance under power-off conditions. Summary of the invention

[0003] Purpose of the invention: To provide a safe cable tray that can detect and remind whether the cables inside are energized, and has heat dissipation and waterproof properties to ensure the safety of workers during maintenance.

[0004] Technical solution: The safety cable tray described in the present invention includes a live detection mechanism, a ventilation trough, a control box, a waterproof docking mechanism, various internal support frames and various cable support mechanisms; each internal support frame is detachably installed in the ventilation trough, the live detection mechanism is detachably installed on an internal support frame, and each cable support mechanism is detachably installed on the remaining internal support frames; the live detection mechanism detects the live state of the cable, and the cable support mechanism supports the cable in a cantilevered layered manner; the waterproof docking mechanism is used for waterproof docking installation of the ends of adjacent ventilation troughs; the control box is installed on the outside of the ventilation trough, and a controller is provided in the control box, and an indicator light electrically connected to the controller is provided on the control box; the controller is electrically connected to the live detection mechanism, and is used to collect the live state signal of the live detection mechanism and control the on and off state of the indicator light.

[0005] Furthermore, it also includes a wire trough support mechanism installed on the lower side of the ventilation wire trough, which is used to support the ventilation wire trough in an angle-adjustable manner.

[0006] Furthermore, the cable trough supporting mechanism includes a facade mounting plate, an oblique support rod, a cantilevered strip plate and an adjusting bolt; one end of the cantilevered strip plate is swing-hingedly mounted on the facade mounting plate, and the lower side surface of the ventilation cable trough is mounted on the upper side surface of the cantilevered strip plate; a strip adjustment seat is fixedly provided on the lower side surface of the cantilevered strip plate, and an adjusting slider is slidably mounted on the strip adjustment seat; the adjusting bolt is used to adjust the position of the adjusting slider; the lower end of the oblique support rod is hingedly mounted on the facade mounting plate, and the upper end is hingedly mounted on the adjusting slider.

[0007] Furthermore, the ventilation trough includes a bottom trough and a top cover; the top cover is covered on the upper opening of the bottom trough, and the top cover is detachably mounted on the internal support frame; a top ventilation pipe is connected to the top cover, and a water retaining cap is supported above the top ventilation pipe; various bottom ventilation windows are provided at the bottom of the bottom trough; side ventilation windows are provided on the vertical side walls of the bottom trough, and protruding water retaining plates are provided at the upper sides of the side ventilation windows.

[0008] Furthermore, the waterproof docking mechanism includes a waterproof docking belt and two pulling connection units; the waterproof docking belt is a rectangular frame structure as a whole, and the middle part of the lower side frame of the rectangular frame structure is disconnected; docking strip grooves are arranged on the two docking side edges of the waterproof docking belt, and the bottom wire troughs and top covers of two adjacent ventilation wire troughs are inserted into the docking strip grooves at corresponding positions; extrusion deformation holes are arranged through-through on the waterproof docking belt and between the docking strip grooves on both sides, and a semicircular notch connected to the extrusion deformation hole is arranged on the lower side edge at the disconnected position of the lower side frame of the waterproof docking belt; a water accumulation groove is arranged on the lower side groove edge of the docking strip groove in the upper side frame of the waterproof docking belt, and a connecting hole is arranged between the water accumulation groove and the extrusion deformation hole; the two pulling connection units are used for synchronously pulling the bottom wire troughs and top covers of two adjacent ventilation wire troughs.

[0009] Furthermore, the internal support frame includes a vertical support column, a top mounting bolt and a bottom mounting plate; the lower end of the vertical support column is fixed to the bottom mounting plate, and the bottom mounting plate is detachably mounted on the inner bottom of the ventilation trough; the upper end of the vertical support column is detachably mounted on the top of the ventilation trough by the top mounting bolt.

[0010] Furthermore, the live detection mechanism includes a strip mounting seat, an open-type transformer and two end pressing units; one end of the strip mounting seat is detachably mounted on a vertical support column, and a strip limiting groove is provided on the strip mounting seat; the lower side of the open-type transformer is inserted into the strip limiting groove; the two end pressing units are provided on both ends of the strip mounting seat, and are used to press and fix the two ends of the open-type transformer; the cable passes through the detection hole of the open-type transformer, and the open-type transformer is electrically connected to the signal acquisition end of the controller.

[0011] Furthermore, the end pressing unit includes a side flange-shaped bracket, a pressing bolt and a pressing seat; the side flange-shaped bracket is fixedly arranged on the strip-shaped mounting seat, and the pressing bolt is vertically threaded and screwed on the upper bracket of the side flange-shaped bracket; the pressing seat is rotatably installed on the lower end of the pressing bolt, and is used to press and fix the end of the open-type transformer.

[0012] Furthermore, side mounting seats are provided on both side brackets of the side U-shaped bracket; mounting sockets are provided on the side mounting seats; a side support rod is detachably inserted into the mounting sockets at the same height position on the corresponding sides of the two end pressing units, and a rotating support tube for supporting the cable is rotatably installed on the side support rod.

[0013] Furthermore, the cable support mechanism includes a cantilevered bar seat, two supporting side columns and various cantilevered support rods; one end of the cantilevered bar seat is detachably mounted on the vertical support column; the two supporting side columns are vertically fixed on the two ends of the cantilevered bar seat; the various cantilevered support rods are vertically fixed on the opposite sides of the two supporting side columns; a rotating support tube for supporting the cable is rotatably mounted on the cantilevered support rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects: the live state of the cable can be detected by utilizing the live detection mechanism, so that the controller can collect and control the on and off state of the indicator light accordingly, so that the maintenance personnel can quickly know whether the cable is live, thereby enhancing the safety of maintenance; the ventilation trough can be used to store the cables, and has ventilation and heat dissipation performance, thereby extending the service life of the cables; the waterproof docking mechanism can realize the waterproof docking installation of the ends of adjacent ventilation troughs, thereby avoiding water ingress at the docking position during outdoor installation, which affects the safety of cable use; the combination of the internal support frame and the cable support mechanism can realize the layered distribution of the cables, thereby facilitating the heat dissipation of the cables and facilitating the individual maintenance of each cable in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the local structure of the bridge frame of the present invention;

[0016] Figure 2 It is a schematic diagram of the installation structure of the live detection mechanism of the present invention;

[0017] Figure 3 It is a schematic diagram of the installation structure of the cable support mechanism of the present invention;

[0018] Figure 4 It is a schematic diagram of the top view of the charged detection mechanism of the present invention;

[0019] Figure 5 It is a schematic cross-sectional structural diagram of the waterproof docking mechanism of the present invention;

[0020] Figure 6 It is a circuit diagram of the present invention. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0022] Embodiment 1:

[0023] like Figure 1-6 As shown, the present invention discloses a safety cable tray including: a live detection mechanism, a ventilation cable duct, a control box 4, a waterproof docking mechanism, various internal support frames and various cable support mechanisms;

[0024] Each internal support frame is detachably installed in the ventilation duct at intervals, the live detection mechanism is detachably installed on one internal support frame, and each cable support mechanism is detachably installed on the remaining internal support frames; the live detection mechanism detects the live state of the cable 35, and the cable support mechanism supports the cable 35 in a cantilevered layered manner; the waterproof docking mechanism is used for waterproof docking installation of the ends of adjacent ventilation ducts; the control box 4 is installed on the outside of the ventilation duct, and a controller is provided in the control box 4, and an indicator light 5 electrically connected to the controller is provided on the control box 4; the controller is electrically connected to the live detection mechanism, and is used to collect the live state signal of the live detection mechanism and control the on and off state of the indicator light 5.

[0025] The live detection mechanism can be used to detect the live state of the cable 35, so that the controller can collect and control the on and off state of the indicator light 5 accordingly, so that the maintenance personnel can quickly know whether the cable 35 is live, thereby enhancing the safety of maintenance; the ventilation trough can be used to store the cable 35, and has ventilation and heat dissipation performance, thereby extending the service life of the cable 35; the waterproof docking mechanism can realize the waterproof docking installation of the ends of adjacent ventilation troughs, thereby avoiding water ingress at the docking position during outdoor installation, which affects the safe use of the cable 35; the combination of the internal support frame and the cable support mechanism can realize the layered distribution of the cable 35, thereby facilitating the heat dissipation of the cable 35 and facilitating the individual maintenance of each cable 35 in the later stage.

[0026] Furthermore, it also includes a wire trough support mechanism installed at the lower side of the ventilation wire trough, which is used to support the ventilation wire trough in an angle-adjustable manner. The wire trough support mechanism can support the ventilation wire trough in an angle-adjustable manner, thereby meeting the requirements of facade installation at different angles.

[0027] Furthermore, the wire trough supporting mechanism includes a facade mounting plate 8, a diagonal support rod 10, a cantilevered strip plate 7 and an adjusting bolt 12; one end of the cantilevered strip plate 7 is swing-hingedly mounted on the facade mounting plate 8, and the lower side surface of the ventilation wire trough is mounted on the upper side surface of the cantilevered strip plate 7; a strip adjustment seat 11 is fixedly arranged on the lower side surface of the cantilevered strip plate 7, and a T-shaped slide groove is arranged on the lower side surface of the strip adjustment seat 11, and an adjusting slider 31 is slidably mounted on the T-shaped slide groove; the adjusting bolt 12 is rotatably mounted on the end surface of the strip adjustment seat 11, and the end of the adjusting bolt 12 extends into the T-shaped slide groove, and is screwed on the adjusting slider 31 with a through thread, for adjusting the position of the adjusting slider 31; the lower end of the diagonal support rod 10 is hingedly mounted on the facade mounting plate 8, and the upper end is hingedly mounted on the adjusting slider 31; a facade mounting hole 9 is arranged on the facade mounting plate 8. The position of the adjusting slider 31 can be adjusted by using the adjusting bolt 12, thereby adjusting the upper end position of the diagonal support rod 10, and further adjusting the angle of the cantilevered strip plate 7; the installation stability of the adjusting slider 31 can be enhanced by using the T-shaped slide groove.

[0028] Further, the ventilation trough includes a bottom trough 1 and a top cover 2; the top cover 2 covers the upper opening of the bottom trough 1, and the top cover 2 is detachably mounted on the internal support frame; a top ventilation pipe 36 is connected to the top cover 2, and a water retaining cap 37 is supported by a supporting short column 38 above the top ventilation pipe 36; each bottom ventilation window 13 is arranged at the bottom of the bottom trough 1; a side ventilation window 28 is arranged on the vertical side wall of the bottom trough 1, and a convex water retaining plate 3 is arranged at the upper side of the side ventilation window 28. The water retaining cap 37 can play a role of water retaining at the top ventilation pipe 36, and the top ventilation pipe 36 can be protruded out of the top cover 2 by the arrangement, so as to prevent the water of the top cover 2 from spreading into the top ventilation pipe 36; the side ventilation window 28 can realize the side ventilation and heat dissipation of the ventilation trough; the bottom ventilation window 13 can realize the bottom ventilation and heat dissipation of the ventilation trough.

[0029] Further, a protective net 14 is provided at the gap between the bottom ventilation window 13, the side ventilation window 28, and the water retaining cap 37 and the top ventilation pipe 36. The protective net 14 can be used to protect the ventilation position to prevent foreign matter from entering the ventilation line groove.

[0030] Furthermore, the waterproof docking mechanism includes a waterproof docking belt 44 and two pulling connection units; the waterproof docking belt 44 is a rectangular frame structure as a whole, and the middle part of the lower side frame of the rectangular frame structure is disconnected; docking strip grooves 45 are arranged on the two docking side edges of the waterproof docking belt 44, and the bottom line trough 1 and the top cover 2 of the two adjacent ventilation line troughs are inserted into the docking strip grooves 45 at the corresponding positions; an extrusion deformation hole 55 is arranged through the docking strip grooves 45 on the waterproof docking belt 44 and located on both sides, and a semicircular notch 48 connected to the extrusion deformation hole 55 is arranged on the lower side edge at the disconnected position of the lower side frame of the waterproof docking belt 44; a water accumulation groove 46 is arranged on the lower side groove edge of the docking strip groove 45 in the upper side frame of the waterproof docking belt 44, and a connecting hole 47 is arranged between the water accumulation groove 46 and the extrusion deformation hole 55; the two pulling connection units are used for synchronously pulling the bottom line trough 1 and the top cover 2 of the two adjacent ventilation line troughs. The docking strip groove 45 can be used to insert the docking edges of the bottom wire trough 1 and the top cover 2, thereby enhancing the sealing of the docking edges; the extrusion deformation hole 55 can be used to keep the docking strip groove 45 and the insertion edges of the bottom wire trough 1 and the top cover 2 in an elastic pressing state when the two pulling connection units are pulled against each other, thereby ensuring the sealing of the docking edges; the water accumulation groove 46 can be used to receive the water that may leak at the upper side edge, and then flow into the extrusion deformation hole 55 through the connecting hole 47, and then continue to flow downward and be discharged from the semicircular notch 48; the design of disconnecting the middle part of the lower side frame can facilitate the later maintenance and installation of the cable 35, or replace the waterproof docking belt 44 without re-threading each cable 35.

[0031] Furthermore, both length sides of the top cover 2 are provided with folded edges 17 for buckling on the outer side of the upper edge of the bottom wire trough 1. The folded edges 17 can play a waterproof role at the edge and can also enhance the overall structural strength of the ventilation wire trough.

[0032] Furthermore, the tension connection unit includes a tension bolt 54, a tension support sleeve 53 and a tension support rod 52; tension bosses 49 are provided on the folded edges 17 at the butt ends of two adjacent ventilation troughs and on the bottom trough 1, and boss snap-in slots are provided on the sides of the tension bosses 49; two tension snap-in seats 50 are provided on the ends of the tension support rod 52 and the ends of the tension support sleeve 53, and tension snap-in slots 51 are provided on the tension snap-in seats 50; the end of the tension support rod 52 is inserted into the tension support sleeve 53, the tension bolt 54 is rotatably installed on the bottom of the tension support sleeve 53, and the tension bolt 54 is threadedly installed on the insertion end of the tension support rod 52; the tension snap-in slots 51 on the four tension snap-in seats 50 of the tension connection unit are snapped into the boss snap-in slots of the four tension bosses 49 on the corresponding side. The tension connection unit can be used to achieve the docking and locking of the ends of two adjacent ventilation troughs, and can also achieve the mutual connection of the grounding signals between the two adjacent ventilation troughs; the cooperation between the boss buckle slot and the tension buckle slot 51 can enhance the stability of the buckle installation; the insertion cooperation of the tension support sleeve 53 and the tension support rod 52 can achieve precise docking support of the docking ends; the tension bolt 54 can be used to achieve tension adjustment to ensure the structural strength during tension.

[0033] Furthermore, the internal support frame includes a vertical support column 16, a top mounting bolt 6 and a bottom mounting plate 24; the lower end of the vertical support column 16 is fixed to the bottom mounting plate 24, and the bottom mounting plate 24 is detachably mounted on the inner bottom of the ventilation trough; the upper end of the vertical support column 16 is detachably mounted on the top of the ventilation trough through the top mounting bolt 6. The bottom mounting plate 24 can enhance the installation stability of the lower end of the vertical support column 16, so that the gravity of the cable 35 after installation is concentrated on the vertical support column 16 and directly transmitted to the trough support mechanism, reducing the bearing pressure of the ventilation trough itself, and avoiding deformation of the ventilation trough structure when a large number of cables 35 are laid.

[0034] Furthermore, the live detection mechanism includes a strip mounting seat 21, an open-type mutual inductor 15 and two end pressing units; an end mounting seat 23 is provided on one end of the strip mounting seat 21, and the end mounting seat 23 is detachably mounted on the vertical support column 16 through a column mounting bolt 41, and a strip limiting groove 22 is provided on the strip mounting seat 21; the lower side of the open-type mutual inductor 15 is inserted into the strip limiting groove 22; the two end pressing units are arranged on both ends of the strip mounting seat 21, and are used to press and fix the two ends of the open-type mutual inductor 15; the cable 35 passes through the detection hole of the open-type mutual inductor 15, and the open-type mutual inductor 15 is electrically connected to the signal acquisition end of the controller. The strip-shaped limit groove 22 can be used to achieve insertion limit of the lower side of the open-type transformer 15, ensuring the stability of the installation of the open-type transformer 15; the open-type transformer 15 can facilitate the installation of the cable 35, thereby realizing the detection of the charged state of the cable 35; the two end pressing units can realize the detachable installation of the open-type transformer 15, thereby facilitating the laying of the cable 35.

[0035] Furthermore, the end pressing unit includes a side convex bracket 32, a pressing bolt 34 and a pressing seat 25; the side convex bracket 32 ​​is fixedly arranged on the strip-shaped mounting seat 21, and the pressing bolt 34 is screwed and installed on the upper bracket of the side convex bracket 32 ​​by vertically penetrating threads; the pressing seat 25 is rotatably installed on the lower end of the pressing bolt 34, and is used to press and fix the end of the open-type mutual inductor 15. By using the cooperation of the pressing bolt 34 and the pressing seat 25, the end of the open-type mutual inductor 15 can be pressed and fixed, and a detachable installation can be achieved.

[0036] Furthermore, guide grooves 29 are vertically arranged on the relative inner sides of the two side brackets of the side U-shaped bracket 32, and guide sliders slidably embedded in the guide grooves 29 are arranged on the sides of the pressing seat 25, thereby ensuring the stability of the pressing seat 25 during lifting and lowering adjustment.

[0037] Furthermore, a flexible pressing pad 27 is provided on the lower side of the pressing seat 25. The flexible pressing pad 17 can play the role of anti-slip and flexible pressing, thereby ensuring the pressing stability of the open-type mutual inductor 15.

[0038] Further, side mounting seats 30 are provided on both side brackets of the side U-shaped bracket 32; mounting jacks are provided on the side mounting seats 30; a side support rod 18 is detachably inserted into the mounting jacks at the same height positions on the corresponding sides of the two end pressing units. A rotating support tube 19 for supporting the cable 35 is rotatably mounted on the side support rod 18, and annular baffle plates 20 are provided at both ends of the rotating support tube 19. By means of the detachable insertion of the end of the side support rod 18, the hierarchical layout of the upper and lower layer cables 35 is facilitated. After the lower layer is laid, the upper layer side support rod 18 is installed. The hierarchical support of each side support rod 18 can also enable each cable 35 to pass through the central rectangular hole of the split-type current transformer 15 in a suspended manner, reducing the resistance of subsequent cable 35 pulling and avoiding the split-type current transformer 15 from tilting due to cable 35 pulling, ensuring the installation stability of the split-type current transformer 15.

[0039] Further, insertion square heads 26 are provided at both ends of the side support rod 18, and the end of the side support rod 18 is inserted into the mounting jack through the insertion square head 26; a positioning bolt 33 is threadedly installed on the side mounting seat 30, and the end of the positioning bolt 33 presses on the insertion square head 26. By means of the cooperation between the positioning bolt 33 and the insertion square head 26, the detachable installation of the side support rod 18 can be realized, thus facilitating the upper and lower layer layout of the cable 35.

[0040] Further, the cable support mechanism includes a cantilever strip seat 39, two support side columns 42 and each cantilever support rod 43; a cantilever mounting seat 40 is provided at one end of the cantilever strip seat 39; the cantilever mounting seat 40 is detachably installed on the vertical support column 16 through a column mounting bolt 41; the two support side columns 42 are vertically fixed at both ends of the cantilever strip seat 39; each cantilever support rod 43 is vertically fixed on the opposite side surfaces of the two support side columns 42; a rotating support tube 19 for supporting the cable 35 is rotatably mounted on the cantilever support rod 43, and annular baffle plates 20 are provided at both ends of the rotating support tube 19. The rotating support tube 19 can be used to realize rotating support, so that it is convenient to pull the cable 35 during subsequent maintenance and reduce the pulling resistance; the annular baffle plates 20 can be used to realize end limit, so that the cables 35 are located in their respective intervals, avoiding mutual influence during pulling and facilitating the alignment of each cable 35 during layout; each cantilever support rod 43 can be used to realize the cantilever hierarchical support of the cable 35, ensuring the heat dissipation performance of the cable 35 and also facilitating the arrangement and maintenance of the cable 35.

[0041] In the safety cable tray disclosed in the present invention, the controller adopts the existing single-chip controller and is provided with a data acquisition port; the open-type transformer 15 adopts the existing open-type current transformer 15 to realize the live detection of the cable 35; the indicator light 5 adopts the existing LED indicator light, which is flashing controlled by the controller.

[0042] When the safety cable tray disclosed in the present invention is in use, firstly, the facade mounting plate 8 is installed on the facade, and then the ventilation duct is installed on the cantilevered strip plate 7, and then the adjusting bolt 12 is rotated to adjust according to the installation angle so that the ventilation duct reaches the installation angle; then, the corresponding live detection mechanism and each cable support mechanism are installed on each internal support frame, and then the cable 35 is layered on the live detection mechanism and each cable support mechanism, and then the open-type mutual inductor 15 is closed and installed, and the pressing bolt 34 is adjusted to lock and fix it; then the top cover 2 is covered on the bottom duct 1; then, a waterproof docking strip 44 is installed between the ends of two adjacent ventilation ducts; and then, two pulling connection units are used to realize the pulling and fixing of the ends of two adjacent ventilation ducts.

[0043] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and details may be made without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A safe cable tray, characterized by: It comprises a live detection mechanism, a ventilation duct, a control box (4), a waterproof docking mechanism, various internal support frames and various cable support mechanisms; each internal support frame is detachably installed in the ventilation duct at intervals, the live detection mechanism is detachably installed on one internal support frame, and each cable support mechanism is detachably installed on each of the other internal support frames; the live detection mechanism detects the live state of the cable (35), and the cable support mechanism supports the cable (35) in a cantilevered layered manner; the waterproof docking mechanism is used to waterproofly dock the ends of adjacent ventilation ducts; the control box (4) is installed on the outside of the ventilation duct, and a controller is provided in the control box (4), and an indicator light (5) electrically connected to the controller is provided on the control box (4); the controller is electrically connected to the live detection mechanism, and is used to collect the live state signal of the live detection mechanism and control the on and off state of the indicator light (5); The ventilation trough comprises a bottom trough (1) and a top cover (2); the top cover (2) covers the upper opening of the bottom trough (1), and the top cover (2) is detachably mounted on an internal support frame; a top ventilation pipe (36) is connected to the top cover (2), and a water retaining cap (37) is supported above the top ventilation pipe (36); bottom ventilation windows (13) are arranged at the bottom of the bottom trough (1); side ventilation windows (28) are arranged on the vertical side walls of the bottom trough (1), and a protruding water retaining plate (3) is arranged at the upper side of the side ventilation window (28); The waterproof docking mechanism comprises a waterproof docking belt (44) and two pulling connection units; the waterproof docking belt (44) is a rectangular frame structure as a whole, and the middle part of the lower side frame of the rectangular frame structure is disconnected; docking strip grooves (45) are arranged on the two docking side edges of the waterproof docking belt (44), and the bottom wire grooves (1) and the top covers (2) of two adjacent ventilation wire grooves are inserted into the docking strip grooves (45) at corresponding positions; an extrusion bar is arranged on the waterproof docking belt (44) and between the docking strip grooves (45) on both sides. A compression deformation hole (55) is formed on the lower side of the waterproof butt joint strip (44) at the disconnected position of the lower side frame, and a semicircular notch (48) connected to the compression deformation hole (55) is provided; a water accumulation groove (46) is provided on the lower side groove edge of the butt joint strip groove (45) in the upper side frame of the waterproof butt joint strip (44), and a connecting hole (47) is provided between the water accumulation groove (46) and the compression deformation hole (55); two pulling connection units are used for synchronously pulling the bottom wire trough (1) and the top cover (2) of two adjacent ventilation wire troughs.

2. The safety cable tray according to claim 1 is characterized in that: It also includes a wire trough supporting mechanism installed on the lower side of the ventilation wire trough, which is used for supporting the ventilation wire trough in an angle-adjustable manner.

3. The safety cable tray according to claim 2 is characterized in that: The wire trough support mechanism comprises a vertical mounting plate (8), an oblique support rod (10), a cantilevered strip plate (7) and an adjusting bolt (12); one end of the cantilevered strip plate (7) is swingably hingedly mounted on the vertical mounting plate (8), and the lower side surface of the ventilation wire trough is mounted on the upper side surface of the cantilevered strip plate (7); a strip adjustment seat (11) is fixedly arranged on the lower side surface of the cantilevered strip plate (7), and an adjusting slider (31) is slidably mounted on the strip adjustment seat (11); the adjusting bolt (12) is used to adjust the position of the adjusting slider (31); the lower end of the oblique support rod (10) is hingedly mounted on the vertical mounting plate (8), and the upper end is hingedly mounted on the adjusting slider (31).

4. The safety cable tray according to claim 1 is characterized in that: The internal support frame comprises a vertical support column (16), a top mounting bolt (6) and a bottom mounting plate (24); the lower end of the vertical support column (16) is fixed to the bottom mounting plate (24), and the bottom mounting plate (24) is detachably mounted on the inner bottom of the ventilation trough; the upper end of the vertical support column (16) is detachably mounted on the top of the ventilation trough via the top mounting bolt (6).

5. The safety cable tray according to claim 4 is characterized in that: The live detection mechanism comprises a strip-shaped mounting seat (21), an open-type mutual inductor (15), and two end pressing units; one end of the strip-shaped mounting seat (21) is detachably mounted on a vertical support column (16), and a strip-shaped limiting groove (22) is provided on the strip-shaped mounting seat (21); the lower side of the open-type mutual inductor (15) is inserted into the strip-shaped limiting groove (22); the two end pressing units are provided on both ends of the strip-shaped mounting seat (21) and are used to press and fix the two ends of the open-type mutual inductor (15); a cable (35) passes through the detection hole of the open-type mutual inductor (15), and the open-type mutual inductor (15) is electrically connected to the signal collection end of the controller.

6. The safety cable tray according to claim 5 is characterized in that: The end pressing unit comprises a side convex bracket (32), a pressing bolt (34) and a pressing seat (25); the side convex bracket (32) is fixedly arranged on the strip-shaped mounting seat (21), and the pressing bolt (34) is vertically threadedly screwed on the upper bracket of the side convex bracket (32); the pressing seat (25) is rotatably mounted on the lower end of the pressing bolt (34) and is used to press and fix the end of the open-type mutual inductor (15).

7. The safety cable tray according to claim 6 is characterized in that: A side mounting seat (30) is provided on both side brackets of the side U-shaped bracket (32); a mounting socket is provided on the side mounting seat (30); a side support rod (18) is detachably inserted into the mounting socket at the same height position on the corresponding sides of the two end pressing units, and a rotating support tube (19) for supporting a cable (35) is rotatably installed on the side support rod (18).

8. The safety cable tray according to claim 1 is characterized in that: The cable support mechanism comprises a cantilevered bar seat (39), two supporting side columns (42) and cantilevered support rods (43); one end of the cantilevered bar seat (39) is detachably mounted on a vertical support column (16); the two supporting side columns (42) are vertically fixed on both ends of the cantilevered bar seat (39); the cantilevered support rods (43) are respectively vertically fixed on opposite sides of the two supporting side columns (42); a rotating support tube (19) for supporting the cable (35) is rotatably mounted on the cantilevered support rod (43).

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