CN115411682A - Interlocking device for bus duct jack box - Google Patents

Abstract

This application relates to an interlocking device for a busway plug-in box, which includes two movable racks that are slidably connected to the outer bottom wall of the plug-in box. The busway includes a rib fixed at each corner of itself, The opposite side walls of the two ribs on the top of the busway are provided with slots for the corresponding moving racks to be inserted, and the plug-in box is provided with a drive assembly for driving the two moving racks to move in opposite directions; the plug-in box There are two moving rods slidingly connected on the side wall, and the ends of the two moving rods away from each other are fixed with a bent plate. The outer side of the bent plate is slidably connected with a side plate that can be lifted. It is located between the bending plate and the splint; the plug box is provided with a moving assembly for driving the two moving rods to approach each other, and a positioning assembly for fixing the lifting height of the side plate is provided between the bending plate and the side plate. The application has the effect of making the plug-in box suitable for bus ducts of different sizes, so as to improve the applicability of the plug-in box.

Description

An interlocking device for a busway plug-in box

technical field

The present application relates to the technical field of bus duct installation, and in particular to an interlock device for a bus duct plug-in box.

Background technique

The busway is a closed metal device composed of copper and aluminum busbars, which is used to distribute large power to various components of the decentralized system. Wires and cables have been increasingly replaced in indoor low-voltage power transmission main line projects; plug-in boxes are installed every several meters on the bus duct to facilitate the branching of the bus duct.

The connection structure between the existing bus duct and the plug-in box includes several first connecting pieces fixed on the bottom of the plug-in box, and several second connecting pieces fixed on the top of the bus duct. After the first connecting piece is fitted and aligned with the corresponding second connecting piece, the first connecting piece and the second connecting piece are fixed by bolts and nuts, so as to realize the fixing of the plug box.

Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: due to the different sizes of bus ducts, the plug-in box can only be installed on a fixed type of bus duct, resulting in low applicability of the plug-in box.

Contents of the invention

In order to make the plug-in box applicable to bus ducts of different sizes and improve the applicability of the plug-in box, the present application provides an interlocking device for the bus duct plug-in box.

An interlocking device for a busway plug-in box provided by this application adopts the following technical scheme:

An interlocking device for a busway plug-in box, including two movable racks that are slidably connected to the outer bottom wall of the plug-in box. The busway includes a rib fixed at each corner of the busway. The opposite side walls of the two convex ribs on the top are provided with slots for the corresponding moving racks to be inserted into. The plug-in box is provided with a drive assembly for driving the two moving racks to move in opposite directions; the plug-in box is perpendicular to the busbar Two moving rods are slidably connected to the side wall in the length direction of the groove, and a bent plate is fixed at the ends of the two moving rods away from each other. The splint, the protruding ribs are sandwiched between the bent plate and the splint; the splice box is provided with a moving assembly for driving the two moving rods to approach each other, and there is a device between the bent plate and the side plate for adjusting the lifting height of the side plate. Fixed positioning components.

By adopting the above technical scheme, first adjust the width of the two side panels, place the plug-in box on the busway and make the two splints under the ribs, and then move the components to make the two moving bars close to each other and bend them The plate moves to the upper surface of the rib, and then the height of the side wall is adjusted until the splint and the bending plate clamp the rib, and the position of the side plate is fixed by the positioning component; at this time, the moving rack is aligned with the corresponding slot. Yes, the drive assembly drives the two moving racks to move in opposite directions and insert them into the corresponding slots, which can be applied to bus ducts of different widths and ribs of different sizes, improving the applicability of the plug-in box.

Optionally, the drive assembly includes a gear, a rotating rod and a lock nut. The rotating rod is rotatably connected to the inner bottom wall of the plug-in box and passes through it. The gear is located under the plug-in box and fixed coaxially with the rotating rod. The two moving The racks are respectively engaged on opposite sides of the gears, the side wall of the rotating rod located in the plug-in box is provided with threads, and the locking nut is threadedly connected to the rotating rod.

By adopting the above-mentioned technical solution, the gear can be rotated by turning the rotating rod, and the gear can drive the two moving racks to move in opposite directions at the same time, which improves the moving efficiency of the moving rack, and after the moving rack is inserted into the slot, Turning the locking nut to press it against the inner bottom wall of the plug-in box can complete the fixing of the moving rack, which improves the stability of the plug-in box after installation.

Optionally, two dovetail blocks are fixed on the moving rack, and the two dovetail blocks are respectively located close to different ends of the moving rack, and a number of corresponding dovetail blocks are provided on the outer bottom wall of the plug-in box. Sliding dovetail.

By adopting the above technical solution, when the gear drives the moving rack to move, the two dovetail blocks slide in the corresponding dovetail slots, which improves the movement stability of the moving rack and makes it more accurate when inserted into the slot.

Optionally, both sides of the plug-in box are fixed with support rods for being supported on the two ribs on the top of the busway.

By adopting the above technical solution, after the plug-in box is placed on the busway, the support rod is located on the upper surface of the rib, which can support the plug-in box and improve the convenience of adjusting the position of the side plate by moving the assembly.

Optionally, the moving assembly includes a guide box, a pull rope, a screw, and a fixing nut. The guide box is fixed on the outer wall of the plug-in box with openings at both ends, and the opposite ends of the two moving rods slide in the guide box. The screw rod penetrates from the middle part of the guide box and is rotationally connected with it. There are two stay cords, and the two ends of the stay cord are respectively fixed with the screw rod and the corresponding moving rod.

By adopting the above technical solution, turning the screw rod can make the pull rope pull the corresponding moving rod, and the guide box plays a guiding role for the moving rod, which improves the adjustment efficiency of the position of the side plate, and can also directly push the bending plate to make the moving rod move toward the Slide in the guide box, then turn the screw to tighten the rope, and then tighten it on the guide box through the fixing nut, so that the screw can be fixed, and the horizontal position of the moving rod and the side plate is also fixed, improving The stability of the plug-in box after installation is improved; after loosening the fixing nut, reversely turn the screw rod to release the rope, and then the moving rod can be pulled outward to adjust the width between the two side plates.

Optionally, the positioning assembly includes a helical rack, a ratchet, and a rotating shaft. An accommodation groove is provided on the outer wall of the bent plate, and the helical rack is fixed in the accommodation groove. A side wall facing the bent plate is provided with a groove, the rotating shaft is installed in the groove, the ratchet is rotatably connected on the rotating shaft, and one end of the ratchet faces downward and is stuck on the helical rack.

By adopting the above-mentioned technical scheme, the cooperation of the helical rack and the ratchet enables the side plate to move upwards, but cannot move downwards. After the side plate is pushed upwards so that the splint is pressed against the rib, the fixing can be completed automatically, which improves the convenience of operation. sex.

Optionally, one side of the accommodating groove is provided with a dislocation groove parallel to it, and one end of the rotating shaft extends out of the side plate, and the rotating shaft can slide along its own axis in the side plate.

By adopting the above-mentioned technical solution, when removing the plug-in box, push the outer end of the rotating shaft, so that the ratchet is detached from the helical rack horizontally and enters the misalignment groove. At this time, the side plate can be slid downward to release the splint and the clamping of the convex edge by the bent plate, and then pull the rotating shaft in the opposite direction, so that the pawl can be inserted into the helical rack again for the next installation.

Optionally, the bottom of the receiving tank is provided with a waiting tank connected to the dislocation tank.

By adopting the above technical scheme, after the pawl is separated from the helical rack and enters the dislocation groove, the side plate slides down to drive the pawl to slide down in the dislocation groove, and when the pawl slides to the waiting groove, the rotating shaft is then pulled to make the pawl enter the waiting position At this time, the pawl can be inserted into the helical rack by directly pushing the side plate upwards. It is not necessary to align the pawl with the gap between adjacent teeth on the helical rack and then slide in horizontally, which further improves the convenience of operation. sex.

Optionally, a spring is fixed in the groove, and the end of the spring is in contact with the pawl. When the pawl is stuck in the helical rack, the spring is in a natural state or a compressed state.

By adopting the above-mentioned technical scheme, when the rotating shaft is pushed to make the ratchet disengage from the helical rack, the spring will be compressed, and the side plate will slide down to the designated position, and after the rotating shaft is released, the spring can drive the ratchet and the rotating shaft to reset automatically, without the need for manual adjustment. The hand-pulled shaft further improves the convenience of operation.

Optionally, an elastic pad is fixed on the upper surface of the splint.

By adopting the above technical solution, the elastic pad can protect the rib and the splint on the one hand, and on the other hand, due to the certain distance between the adjacent teeth on the helical rack, the compression of the elastic pad can make the pawl more Accurate insertion into the best position on the helical rack improves the installation stability of the plug-in box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Make the two moving rods close to each other through the moving component, and then adjust the height of the side wall until the splint and the bending plate clamp the convex edge, fix the position of the side plate through the positioning component, and drive the two through the driving component. The moving rack moves in the opposite direction and is inserted into the corresponding slot, which can be applied to bus ducts of different widths and ribs of different sizes, which improves the applicability of the plug-in box;

2. Turn the screw to make the pull rope pull the corresponding moving rod, or directly push the bending plate to make the moving rod slide toward the guide box, then turn the screw to tighten the pull rope, and then use the fixing nut to make it Screwed on the guide box, the horizontal position of the moving rod and the side plate is also fixed, which improves the stability of the plug-in box after installation;

3. When the pawl slides to the waiting slot, pull the shaft to make the pawl enter the waiting slot. At this time, push the side plate directly to make the pawl enter the helical rack without aligning the pawl with the helical gear The gap between the adjacent teeth on the bar is then slid in horizontally, which further improves the convenience of operation.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present application;

Fig. 2 is a partial sectional view for showing the moving rack and the slot;

Fig. 3 is a structural schematic diagram showing the plug-in box and its installation structure;

Figure 4 is a partial sectional view showing the drive assembly;

Fig. 5 is a partial sectional view for showing a dovetail block and a dovetail groove;

Figure 6 is a partial sectional view showing the moving assembly;

Figure 7 is a partial sectional view showing the positioning assembly;

Figure 8 is a partial cross-sectional view showing the dislocation groove and the spring;

Fig. 9 is a partial sectional view showing the elastic pad.

In the figure, 1, bus duct; 11, convex edge; 12, slot; 2, plug-in box; 21, moving rack; 22, support rod; 23, dovetail block; 24, dovetail groove; 3, moving rod; 31. Bending plate; 311. Accommodating groove; 312. Dislocation groove; 313. Standing groove; 32. Side plate; 321. Groove; 322. Spring; 33. Splint; 331. Elastic pad; 4. Driving component; 41, gear; 42, rotating rod; 43, lock nut; 5, moving component; 51, guide box; 52, pull rope; 53, screw rod; , ratchet; 63, rotating shaft.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-9.

The embodiment of the present application discloses an interlocking device for a busway plug-in box.

Referring to Fig. 1 and Fig. 2, the busway 1 includes ribs 11 fixed at each corner of itself, and the length direction of the ribs 11 is consistent with the length direction of the busway 1; in this embodiment, the busway 1 is set horizontally, The plug box 2 is installed on the upper surface of the bus duct 1 . The interlocking device for the busway plug-in box includes two moving racks 21 horizontally slidably connected to the outer bottom wall of the plug-in box 2, and the two moving racks 21 are close to the end of the plug-in box 2, and the busway 1 The inner side walls of the two ribs 11 on the top are provided with slots 12 for the corresponding moving racks 21 to be inserted into. The plug-in box 2 is equipped with two moving racks 21 to move in opposite directions and fix them. The drive assembly 4; the bottom of the opposite side walls of the plug-in box 2 are horizontally fixed with support rods 22, the support rods 22 are attached to the upper surface of the rib 11, and the support rods 22 are located at the side of the plug-in box 2 close to the moving rack 21 one end.

Referring to Fig. 1 and Fig. 3, two moving rods 3 are horizontally slidably connected on the outer wall of the plug-in box 2 away from the moving rack 21 and perpendicular to the length direction of the rib 11, and the outer ends of the two moving rods 3 are vertically fixed There is a bent plate 31, and the bottom end of the bent plate 31 has a horizontal portion for placing on the rib 11; the outer side walls of the bent plate 31 are vertically slidably connected with side plates 32, and the bottom of the side plate 32 is fixed horizontally There is a splint 33 for tightening the lower surface of the protruding rib 11. The splice box 2 is provided with a moving assembly 5 for fixing the two moving rods 3 and simultaneously driving the two moving rods 3 close to each other. The bending plate 31 and the A positioning assembly 6 for fixing the height of the side plates 32 is arranged between the side plates 32 .

When installing the plug-in box 2, first adjust the width of the two side plates 32, then place the plug-in box 2 on the busway 1, the support rod 22 is attached to the upper surface of the rib 11, and then move the assembly 5 Make the two moving rods 3 close to each other until the horizontal part of the bent plate 31 fits on the upper surface of the rib 11, then the moving assembly 5 fixes the position of the moving rod 3, and then pushes the side plate 32 upward until the splint 33 After pressing against the lower surface of the convex rib 11, the positioning assembly 6 fixes the position of the side plate 32, so that the bent plate 31 and the splint 33 can stably clamp the convex rib 11 inside; Align the slots 12, insert the two moving racks 21 into the slots 12 through the drive assembly 4 and fix them, then the stable installation of the plug box 2 can be completed, and it can be applied to bus ducts 1 of different widths and different sizes of busbars. Ridge 11, the entire installation structure only needs to open slots 12 on the two ribs 11 on the bus duct 1, without the need for structural installation on the bus duct 1, and finally improves the applicability of the plug box 2.

Referring to Figures 3 and 4, the drive assembly 4 includes a rotating rod 42 pierced through the bottom of the plug-in box 2 and connected to it in rotation, a gear 41 coaxially fixed at the bottom of the rotating rod 42, and a locking nut 43 located inside the plug-in box 2 , the two moving racks 21 are respectively engaged on opposite sides of the gear 41, and the part of the circumferential side wall of the rotating rod 42 located in the socket box 2 is provided with threads, and is threadedly connected with the locking nut 43. Turning the rotating rod 42 can make the gear 41 drive the two moving racks 21 to move in opposite directions at the same time, which improves the convenience of inserting the moving racks 21 in the slot 12. After the moving rack 21 is inserted in the slot 12, the When the lock nut 43 is tightened, the rotating rod 42, the gear 41 and the moving rack 21 can be fixed, which improves the stabilizing effect of the plug box 2 after installation.

Referring to Fig. 5, two dovetail blocks 23 are fixed on each moving rack 21, and the two dovetail blocks 23 are respectively close to different ends of the moving rack 21. Block 23 slides in dovetail 24. When the moving rack 21 moves, the dovetail block 23 slides in the dovetail groove 24 , which improves the moving stability of the moving rack 21 and the accuracy of inserting into the slot 12 .

Referring to Fig. 3 and Fig. 6, the moving assembly 5 includes a guide box 51 horizontally fixed on the outer wall of the plug-in box 2 with openings at both ends, a screw rod 53 passing through the middle of the guide box 51 and rotatably connected with the guide box 51, fixed on the Two stay cords 52 on the screw rod 53 and located in the guide box 51, screwed on the screw rod 53 and fixed nuts 54 located outside the guide box 51; one end of the two moving rods 3 that are close to each other is inserted in the guide box 51 , the pull cord 52 is fixed between the screw rod 53 and the corresponding moving rod 3 . Turn the screw rod 53 to release the rope, and the moving rod 3 can be pulled outward to adjust the width of the two side plates 32; after the plug box 2 is placed on the bus duct 1, the moving rod 3 can be directly pushed into the guide box 51 , until the side plate 32 fits with the rib 11, then turn the screw 53 to draw the rope, to fix the position of the moving rod 3, or directly turn the screw 53 to draw the rope, so that the stay rope 52 can pull two The moving rod 3 slides inward, and finally the fixing nut 54 is tightened, the operation is convenient and the fixing effect is good.

Referring to Fig. 7, the outer wall of the bent plate 31 is vertically provided with a receiving groove 311, and the side wall of the side plate 32 opposite to the bent plate 31 is provided with a groove 321 communicating with the receiving groove 311, and the positioning assembly 6 includes a vertical fixing The helical rack 61 in the receiving groove 311, the rotating shaft 63 slidingly connected in the groove 321 and one end protruding from the side plate 32, the ratchet 62 rotatably connected to the rotating shaft 63 and one end stuck on the helical rack 61, The cooperation between the helical rack 61 and the ratchet 62 makes the side plate 32 only slide upwards, but not downwards, which improves the convenience of the clamping operation on the rib 11 .

Referring to Fig. 7 and Fig. 8, the outer wall of the bent plate 31 is vertically provided with a misalignment groove 312 connected to one side of the accommodation groove 311, the axis of the rotating shaft 63 is parallel to the arrangement direction of the accommodation groove 311 and the misalignment groove 312, and the rotating shaft 63 can drive the ratchet 62 to slide along its own axis direction; the bottom end of the receiving groove 311 is provided with a waiting slot 313 connected to the dislocation slot 312, and the waiting slot 313 is for the ratchet 62 to enter; The spring 322 on the 63, one end of the spring 322 abuts against the inner side wall of the groove 321, and the other end abuts against the pawl 62; when the pawl 62 is stuck in the helical rack 61, the spring 322 is in a natural state or a compressed state. In this example, it is specifically in a compressed state, which can always give the ratchet 62 a force in the horizontal direction, so that the cooperation between the ratchet 62 and the helical rack 61 is more reliable.

When it is necessary to release the clamping of the rib 11 by the bent plate 31 and the splint 33, push the outer end of the rotating shaft 63 to make the spring 322 continue to compress, and at the same time, the ratchet 62 is separated from the helical rack 61 and enters the dislocation groove 312. When the side plate 32 can be slid downward, when the ratchet 62 slides to the standby groove 313, the rotating shaft 63 is released, and the spring 322 drives the rotating shaft 63 to move, so that the ratchet 62 enters the standby groove 313, and the When installing for the first time, push the side plate 32 directly upwards to make the pawl 62 and the helical rack 61 cooperate again, which not only realizes the separation of the splint 33 and the rib 11, but also facilitates the next installation, and the pawl 62 and the helical tooth The refitting of the bar 61 does not require the pawl 62 to align with the gap between adjacent teeth on the helical rack 61, which improves the convenience of operation.

Referring to Figures 7 and 9, the upper surface of the splint 33 is fixed with a rubber elastic pad 331, which can not only protect the rib 11 and the splint 33, but also enable the pawl 62 to be inserted into the helical rack 61 more accurately. The best position on the top improves the installation stability of the plug-in box 2.

The implementation principle of an interlocking device for a busway plug-in box in the embodiment of the present application is: when installing the plug-in box 2, turn the screw 53 to release the rope to adjust the width of the two side plates 32, Then put the plug-in box 2 on the busway 1, and the support rod 22 fits on the upper surface of the rib 11, and the screw rod 53 can be directly rotated to draw the rope, so that the pull rope 52 pulls the two moving rods 3 to slide inward until After the horizontal portion of the bent plate 31 is attached to the upper surface of the rib 11 , the fixing nut 54 is tightened to fix the position of the moving rod 3 . Then the side plate 32 is pushed upwards, and the ratchet 62 moves up on the helical rack 61 until the clamping plate 33 presses the elastic pad 331 against the lower surface of the rib 11, the position of the side plate 32 is automatically fixed, and the bending plate 31 and The splint 33 clamps the convex rib 11 stably; at this time, the moving rack 21 is aligned with the corresponding slot 12, and the rotating rod 42 can make the gear 41 drive the two moving racks 21 to move in opposite directions at the same time. After inserting the moving rack 21 into the slot 12, tighten the lock nut 43 to fix it, and then the stable installation of the plug box 2 can be completed. It can be applied to bus ducts 1 of different widths and ribs 11 of different sizes. The entire installation structure only needs The slots 12 can be provided on the two protruding ribs 11 of the bus duct 1 , without structural installation on the bus duct 1 , and the applicability of the plug box 2 is finally improved.

The embodiments of this specific implementation mode are all preferred embodiments of the application, and are not intended to limit the scope of protection of the application. Therefore: all equivalent changes made according to the structure, shape, and principle of the application should be covered by the application. Within the protection scope of this application.

Claims (10)

1. The utility model provides an interlock for bus duct jack box which characterized in that: the bus duct comprises two movable racks (21) which are connected to the outer bottom wall of a jack box (2) in a sliding mode, the bus duct (1) comprises a convex rib (11) fixed at each corner of the bus duct, slots (12) for inserting the corresponding movable racks (21) are formed in the opposite side walls of the two convex ribs (11) positioned at the top of the bus duct (1), and a driving assembly (4) for driving the two movable racks (21) to move towards opposite directions is arranged on the jack box (2); two moving rods (3) are connected to one side wall, perpendicular to the length direction of the bus duct (1), of the jack box (2) in a sliding mode, a bending plate (31) is fixed to one end, away from each other, of each moving rod (3), a lifting side plate (32) is connected to the outer side of each bending plate (31) in a sliding mode, a clamping plate (33) is fixed to the bottom of each side plate (32), and the convex edge (11) is clamped between the corresponding bending plate (31) and the corresponding clamping plate (33); be equipped with on jack box (2) and be used for driving removal subassembly (5) that two carriage release levers (3) are close to each other, be equipped with between bent plate (31) and curb plate (32) and be used for going on fixed locating component (6) to curb plate (32) lifting height.

2. An interlock device for a busway jack box according to claim 1, wherein: drive assembly (4) include gear (41), bull stick (42) and lock nut (43), bull stick (42) rotate to be connected diapire in jack box (2) and run through it, gear (41) are located jack box (2) below and with bull stick (42) coaxial fixed, two move rack (21) and mesh respectively in the relative both sides of gear (41), bull stick (42) are located and are equipped with the screw thread on the lateral wall in jack box (2), lock nut (43) threaded connection is on bull stick (42).

3. An interlock device for a busway jack box according to claim 2, wherein: two Yan Weikuai (23) are fixed on the movable rack (21), the two Yan Weikuai (23) are respectively located at positions close to different end portions of the movable rack (21), and a plurality of dovetail grooves (24) for allowing the corresponding Yan Weikuai (23) to slide in are formed in the outer bottom wall of the plug box (2).

4. An interlock device for a busway jack box according to claim 2, wherein: and supporting rods (22) used for being erected on the two convex edges (11) at the top of the bus duct (1) are fixed on two sides of the jack box (2).

5. An interlock device for a busway jack box according to claim 1, wherein: remove subassembly (5) including direction box (51), stay cord (52), screw rod (53), fixation nut (54), direction box (51) are fixed on jack box (2) lateral wall and both ends opening sets up, two movable rod (3) relative one end all slide in direction box (51), screw rod (53) penetrate and rotate rather than being connected from the middle part of direction box (51), stay cord (52) are total two, the both ends of stay cord (52) are fixed with screw rod (53) and corresponding movable rod (3) respectively, fixation nut (54) threaded connection is located on the lateral wall outside direction box (51) screw rod (53).

6. An interlock device for a busway jack box according to claim 1, wherein: locating component (6) include rack (61) one side, pawl (62), pivot (63), have seted up holding tank (311) on bent plate (31) lateral wall, rack (61) one side is fixed in holding tank (311), curb plate (32) have seted up on the lateral wall towards bent plate (31) recess (321), install in recess (321) pivot (63), pawl (62) rotate to be connected on pivot (63), pawl (62) one end is down and the card is on rack (61) one side.

7. An interlocking device for a busway jack box according to claim 6, wherein: dislocation groove (312) rather than parallel is seted up to one side of holding tank (311), and curb plate (32) is extended to pivot (63) one end, and pivot (63) can slide along self axis direction in curb plate (32).

8. An interlock device for a busway jack box according to claim 7, wherein: the bottom of the accommodating groove (311) is provided with a to-be-positioned groove (313) communicated with the dislocation groove (312).

9. An interlock device for a busway jack box according to claim 7 or 8, wherein: a spring (322) is fixed in the groove (321), the end part of the spring (322) is in contact with the pawl (62), and when the pawl (62) is clamped in the helical rack (61), the spring (322) is in a natural state or a compressed state.

10. An interlock device for a busway jack box according to claim 6, wherein: an elastic pad (331) is fixed on the upper surface of the clamping plate (33).

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