Fire-resistant bus duct with built-in joint protection structure
By building a joint protection structure into the bus duct, including a fire extinguishing mechanism and a joint protection drive component, the problem of fire extinguishing in the bus duct during fire is solved, synchronous fire extinguishing and uniform force are achieved, and safety and service life are improved.
Patent Information
- Application Number
- CN202422604238.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing bus duct is difficult to extinguish fire in the event of fire, which affects the safety of use.
A fire-resistant busbar duct with a built-in interlocking structure is designed, which includes a fire extinguishing mechanism and an interlocking drive assembly. Synchronous fire extinguishing operation is achieved by using components such as a dry powder storage box, a cover, a baffle and a servo motor, and multi-position synchronous drive is achieved through a combined drive unit and a worm structure.
When a fire occurs in the bus duct, it can effectively extinguish the fire, prevent the fire from spreading, improve the safety of use, and extend the service life through the uniform stress structure.
Smart Images
Figure CN223451580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bus duct technical field, concretely is a kind of fireproof bus duct of built-in joint guarantee structure. BACKGROUND
[0002] Bus duct is a kind of closed metal device formed by copper and aluminum bus column, to distribute large power for each element of dispersion system. In indoor low-voltage power transmission trunk line engineering project, it has been increasingly replaced by wire and cable. In actual use process, bus duct can cause fire due to excessive load or short circuit and other reasons, the existing bus duct has certain fire resistance, but it is difficult to achieve fire extinguishing function when fire occurs, affect the safety of use, therefore, the present application provides a kind of fireproof bus duct of built-in joint guarantee structure. SUMMARY
[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of fireproof bus duct of built-in joint guarantee structure, effectively solve the problem that the existing bus duct does not have fire extinguishing function.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of fireproof bus duct of built-in joint guarantee structure, including bus duct shell, the inside of bus duct shell is inserted and is provided with several conductive busbar, the top of bus duct shell is inserted and is provided with fire extinguishing mechanism, fire extinguishing mechanism is by dry powder storage box, cover plate, several baffles and joint guarantee drive assembly, dry powder storage box is inserted in the top of bus duct shell and is fixedly connected, cover plate is connected to the top of dry powder storage box, baffle is inserted and is connected to the bottom of dry powder storage box side, joint guarantee drive assembly is connected to the bottom of dry powder storage box one side and with the inside wall of bus duct shell is connected, joint guarantee drive assembly is by servo motor, worm, several combined drive units and strip drive beam, servo motor is fixedly connected to one end in the inside of bus duct shell, worm is fixedly connected to the output shaft of servo motor, strip drive beam is fixedly connected with baffle, combined drive unit is connected between worm, strip drive beam and bus duct shell.
[0005] Preferably, the inside of the bus duct shell forms several dry powder storage chambers, and the side of the dry powder storage chamber is of an inclined structure.
[0006] Preferably, the bottom end of the inside of the bus duct shell is provided with several discharge grooves and several flat inner grooves, the discharge grooves are in communication with the dry powder storage chamber and the flat inner groove, and the baffle is inserted into the discharge grooves and the flat inner groove.
[0007] Preferably, the side of the top end and the bottom end of the baffle is fixedly provided with a sealing ring.
[0008] Preferably, the side of the dry powder storage box is fixedly provided with an L-shaped limiting plate, and the top end of the strip-shaped driving beam is provided with a strip-shaped sliding groove in sliding connection with the L-shaped limiting plate.
[0009] Preferably, the combined driving unit is composed of a rotating shaft, a worm gear, a gear and a rack, one end of the rotating shaft is inserted into the bus duct shell and is in rotary connection with the bus duct shell, the worm gear and the gear are both sleeved on the rotating shaft and are fixedly connected with the rotating shaft, the worm gear is in meshing connection with a worm, and the rack is fixedly connected to the bottom end of the strip-shaped driving beam and is in meshing connection with the gear.
[0010] Preferably, a plurality of supports are fixedly arranged on one side of the interior of the bus duct shell, and the worm is inserted into the supports and is in rotary connection with the supports through bearings.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] (1) In work, the fire extinguishing mechanism composed of the dry powder storage box, the cover plate, the plurality of baffles and the mutual guarantee driving assembly can extinguish fire when the bus duct catches fire, avoids the spread of fire, and thus improves the safety of use.
[0013] (2) The mutual guarantee driving assembly composed of the servo motor, the worm, the plurality of combined driving units and the strip-shaped driving beam can realize synchronous driving when extinguishing fire, so that the plurality of baffles move synchronously, so that the plurality of discharge grooves are in an open state, forming a multi-position synchronous fire extinguishing operation, effectively blocking the spread of fire. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model.
[0015] In the drawings:
[0016] Figure 1 It is a schematic view of the fireproof bus duct structure with the built-in mutual guarantee structure of the utility model;
[0017] Figure 2 It is a side sectional view of the bus duct shell of the utility model;
[0018] Figure 3 It is a schematic view of the fire extinguishing mechanism structure of the utility model;
[0019] Figure 4 It is a schematic view of the mutual guarantee driving assembly structure of the utility model;
[0020] Figure 5 It is a schematic view of the utility modelFigure 4 a local enlarged view of the circle in the figure;
[0021] In the figure: 1, bus duct shell; 2, conductive busbar; 3, fire extinguishing mechanism; 4, dry powder storage box; 5, cover plate; 6, baffle; 7, mutual protection driving assembly; 8, servo motor; 9, worm; 10, combined driving unit; 11, strip driving beam; 12, dry powder storage chamber; 13, discharge groove; 14, flat inner groove; 15, sealing ring; 16, L-shaped limiting plate; 17, strip sliding groove; 18, rotating shaft; 19, worm wheel; 20, gear; 21, rack; 22, support; 23, bearing. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] By Figures 1 to 4 The utility model discloses a built-in mutual protection structure's fireproof bus duct, including bus duct shell 1, the inside of bus duct shell 1 is inserted and is provided with a plurality of conductive busbar 2, the top of bus duct shell 1 is inserted and is provided with fire extinguishing mechanism 3, and fire extinguishing mechanism 3 is by dry powder storage box 4, cover plate 5, a plurality of baffle 6 and mutual protection driving assembly 7 constitute, and dry powder storage box 4 is inserted in the top of bus duct shell 1 and is fixedly connected, and cover plate 5 is connected to the top of dry powder storage box 4, and baffle 6 is inserted and is connected to the bottom end of dry powder storage box 4 side edge, and mutual protection driving assembly 7 is connected to the bottom end of dry powder storage box 4 one side and is connected with the inside wall of bus duct shell 1, and mutual protection driving assembly 7 is by servo motor 8, worm 9, a plurality of combined driving unit 10 and strip driving beam 11 constitute, and servo motor 8 is fixedly connected to one end in the inside of bus duct shell 1, and worm 9 is fixedly connected to the output shaft of servo motor 8, and strip driving beam 11 is fixedly connected with baffle 6, and combined driving unit 10 is connected between worm 9, strip driving beam 11 and bus duct shell 1;
[0024] When the fire occurs, servo motor 8 drives worm 9 to rotate, and worm 9 drives combined driving unit 10 to work, and combined driving unit 10 drives strip driving beam 11 to move, and strip driving beam 11 drives baffle 6 to move synchronously, so that the dry powder in dry powder storage box 4 falls on conductive busbar 2, realizes the fire extinguishing of covering type, avoids the spread of fire;
[0025] By Figure 1 、 Figure 2 and Figure 5The inside of the bus duct shell 1 is formed with a plurality of dry powder storage chambers 12, the side of the dry powder storage chamber 12 is of an inclined structure, the bottom end of the inside of the bus duct shell 1 is provided with a plurality of discharge grooves 13 and a plurality of flat inner grooves 14, the discharge groove 13 is communicated with the dry powder storage chamber 12 and the flat inner groove 14, the baffle 6 is inserted into the discharge groove 13 and the flat inner groove 14, and the top end and the bottom end of the baffle 6 are both fixedly provided with a sealing ring 15;
[0026] The dry powder storage chamber 12 can store dry powder, the discharge groove 13 can discharge dry powder, the flat inner groove 14 can install and limit the baffle 6, and the sealing ring 15 can improve the sealing performance of the connection between the baffle 6 and the bus duct shell 1, thereby avoiding dry powder leakage;
[0027] By Figure 1 , Figure 2 , Figure 4 and Figure 5 The side of the dry powder storage box 4 is fixedly provided with an L-shaped limiting plate 16, the top end of the strip-shaped driving beam 11 is provided with a strip-shaped sliding groove 17 which is slidingly connected with the L-shaped limiting plate 16, the combined driving unit 10 is composed of a rotating shaft 18, a worm wheel 19, a gear 20 and a rack 21, one end of the rotating shaft 18 is inserted into the bus duct shell 1 and is rotationally connected with the bus duct shell 1, the worm wheel 19 and the gear 20 are both sleeved on the rotating shaft 18 and are fixedly connected with the rotating shaft 18, the worm wheel 19 is meshingly connected with the worm 9, the rack 21 is fixedly connected to the bottom end of the strip-shaped driving beam 11 and is meshingly connected with the gear 20, and one side of the inside of the bus duct shell 1 is fixedly provided with a plurality of supports 22, the worm 9 is inserted into the support 22 and is rotationally connected with the support 22 through a bearing 23;
[0028] The combined structure of the rotating shaft 18, the worm wheel 19, the gear 20 and the rack 21 can realize multi-position synchronous driving, improve the uniformity of stress, and further improve the service life, and the support 22 can realize multi-position support of the worm 9, thereby improving the stability of the worm 9.
[0029] In work, the fire extinguishing mechanism composed of the dry powder storage box, the cover plate, the plurality of baffles and the mutual protection driving assembly can extinguish fire when the bus duct catches fire, thereby avoiding the spread of fire and improving the safety of use; the mutual protection driving assembly composed of the servo motor, the worm, the plurality of combined driving units and the strip-shaped driving beam can realize synchronous driving when extinguishing fire, so that the plurality of baffles move synchronously, so that the plurality of discharge grooves are in an open state, forming a multi-position synchronous fire extinguishing operation, effectively blocking the fire; the combined driving unit composed of the rotating shaft, the worm wheel, the gear and the rack can realize multi-position synchronous driving, improve the uniformity of stress.
Claims
1. A fire-resistant bus duct with a built-in joint protection structure, comprising a bus duct housing (1), characterized in that: The busbar housing (1) is provided with a plurality of conductive busbars (2) inserted therein, and the top of the busbar housing (1) is provided with a fire extinguishing mechanism (3) inserted therein, the fire extinguishing mechanism (3) being composed of a dry powder storage box (4), a cover plate (5), a plurality of baffles (6) and a joint protection drive assembly (7), the dry powder storage box (4) being inserted through the top of the busbar housing (1) and being fixedly connected thereto, the cover plate (5) being connected to the top of the dry powder storage box (4), the baffle (6) being inserted through and connected to the bottom end of the side of the dry powder storage box (4), and the joint protection drive assembly (7) being connected to the dry powder storage box (4). The bottom end of one side of the box (4) is connected to the inner wall of the bus duct housing (1); the joint drive assembly (7) is composed of a servo motor (8), a worm (9), a plurality of combined drive units (10) and a strip drive beam (11); the servo motor (8) is fixedly connected to one end inside the bus duct housing (1); the worm (9) is fixedly connected to the output shaft of the servo motor (8); the strip drive beam (11) is fixedly connected to the baffle (6); and the combined drive unit (10) is connected between the worm (9), the strip drive beam (11) and the bus duct housing (1).
2. The fire-resistant bus duct with a built-in joint protection structure according to claim 1, characterized in that: A plurality of dry powder storage chambers (12) are formed inside the busbar housing (1), and the sides of the dry powder storage chambers (12) are inclined structures.
3. The fire-resistant bus duct with a built-in joint protection structure according to claim 2, characterized in that: The bottom end of the busbar housing (1) is provided with a plurality of discharge grooves (13) and a plurality of flat inner grooves (14); the discharge grooves (13) are connected to the dry powder storage chamber (12) and the flat inner grooves (14); and the baffles (6) are inserted into the discharge grooves (13) and the flat inner grooves (14).
4. The fire-resistant bus duct with a built-in joint protection structure according to claim 1, characterized in that: Sealing rings (15) are fixedly provided on the sides of the top and bottom ends of the baffle (6).
5. The fire-resistant bus duct with a built-in joint protection structure according to claim 1, characterized in that: An L-shaped limiting plate (16) is fixedly provided on the side of the dry powder storage box (4), and a strip-shaped sliding groove (17) is provided at the top end of the strip-shaped driving beam (11) and is slidably connected to the L-shaped limiting plate (16).
6. The fire-resistant bus duct with a built-in joint protection structure according to claim 1, characterized in that: The combined drive unit (10) is composed of a rotating shaft (18), a worm wheel (19), a gear (20) and a rack (21); one end of the rotating shaft (18) is inserted into the busbar housing (1) and is rotatably connected thereto; the worm wheel (19) and the gear (20) are both sleeved on the rotating shaft (18) and fixedly connected thereto; the worm wheel (19) is meshedly connected to the worm (9); and the rack (21) is fixedly connected to the bottom end of the strip-shaped drive beam (11) and is meshedly connected to the gear (20).
7. The fire-resistant bus duct with a built-in joint protection structure according to claim 1, characterized in that: A plurality of supports (22) are fixedly provided on one side of the interior of the busbar duct housing (1), and the worm (9) is inserted into the supports (22) and is rotationally connected thereto via a bearing (23).