Electric power engineering cable protection device

Abstract

The utility model provides an electric power engineering cable protection device which comprises a fireproof protection barrel, a fire extinguishing bin is arranged at the inner end of the fireproof protection barrel, a fire extinguishing nozzle is arranged at the lower end of the fire extinguishing bin, an elastic frame is arranged at the inner end of the fire extinguishing nozzle, a linkage frame is arranged at the upper end of the elastic frame, a threaded rod is arranged at the inner end of the linkage frame, and a rotating shaft is arranged at the upper end of the threaded rod. A linkage gear is arranged at the upper end of the rotating shaft, a linkage rack is arranged at the outer end of the linkage gear, a positioning gear is arranged at the inner end of the linkage rack, a motor is arranged at the upper end of the positioning gear, a positioning seat is arranged at the outer end of the elastic frame, a positioning shaft is arranged at the inner end of the positioning seat, and a positioning hook plate is arranged at the outer end of the positioning shaft. The problems that according to the cable protection design, the position needing cooling and fire extinguishing cannot be automatically aligned, and the fire extinguishing protection device is inconvenient to install are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection technical field, specifically, relate to power engineering cable protection device. BACKGROUND

[0002] The role of the power cable protection device in fire prevention mainly reflects in the following aspects:

[0003] Fireproof isolation: in the cable dense area, especially in the cable dense channel or cable tunnel, the fireproof isolation measure can effectively prevent the spread of fire. For example, using fireproof slot box or other fireproof isolation device can limit the spread of fire when the cable catches fire.

[0004] Application of fireproof material: the fireproof cable bridge is made of fireproof coating or fireproof material, which can maintain structural integrity in fire, prevent flame spread and improve overall fireproof grade.

[0005] High temperature resistance: the fireproof cable bridge can withstand high temperature environment, prevent the cable from melting or damaging due to high temperature in fire, and ensure that the cable system can still transmit power and signal under fire conditions.

[0006] In the prior art, during the use of the cable protection device, the angle of the fire extinguishing nozzle cannot be adjusted automatically to align with the position that needs to be cooled during the fire prevention process. Therefore, we improve it and propose the power engineering cable protection device. UTILITY MODEL CONTENT

[0007] The utility model aims at: aiming at the problem that the current cable protection design cannot automatically align with the position that needs to be cooled and extinguished.

[0008] In order to realize the above utility model purpose, the utility model provides the following technical scheme:

[0009] The power engineering cable protection device is used to improve the above problems.

[0010] The application is as follows:

[0011] The power engineering cable protection device comprises a fireproof protection cylinder, the inner end of the fireproof protection cylinder is provided with a fire extinguishing bin, the lower end of the fire extinguishing bin is provided with a fire extinguishing nozzle, the inner end of the fire extinguishing nozzle is provided with an elastic frame, the upper end of the elastic frame is provided with a linkage frame, the inner end of the linkage frame is provided with a threaded rod, the upper end of the threaded rod is provided with a rotating shaft, the upper end of the rotating shaft is provided with a linkage gear, the outer end of the linkage gear is provided with a linkage rack, the inner end of the linkage rack is provided with a positioning gear, the upper end of the positioning gear is provided with a motor, the outer end of the elastic frame is provided with a positioning seat, the inner end of the positioning seat is provided with a positioning shaft, and the outer end of the positioning shaft is provided with a positioning hook plate.

[0012] As the preferred technical scheme of the present application, the fire extinguishing bin is embedded in the inner end of the fire protection cylinder, the number of the fire extinguishing nozzles is set as several groups, the fire extinguishing nozzles are connected with the fire extinguishing bin in penetration, the elastic frame slides along the fire extinguishing nozzle, and the upper end of the elastic frame is fixedly connected with the linkage frame.

[0013] As the preferred technical scheme of the present application, the outer end of the linkage frame is provided with a frame groove, the frame groove is embedded and installed in the inner surface of the lower end of the fire extinguishing bin, the inner surface of the upper end of the fire extinguishing bin is fixedly connected with a sealing plate, and the sealing plate is movably connected with the inner end of the linkage frame.

[0014] As the preferred technical scheme of the present application, the linkage frame is movably connected with the rotating shaft, and the lower end of the rotating shaft is fixedly connected with the threaded rod.

[0015] As the preferred technical scheme of the present application, the outer end of the linkage rod is provided with a threaded groove, the threaded grooves are arranged at the inner end of the elastic frame at equal intervals, the upper end of the rotating shaft is fixedly connected with the linkage gear, and the outer end of the linkage gear is meshingly connected with the linkage rack.

[0016] As the preferred technical scheme of the present application, the outer end of the linkage rack is provided with a ring groove, the linkage rack is meshingly connected with the positioning gear, the upper end of the positioning gear is movably connected with the motor, and the top end of the fire protection cylinder is provided with a solar cell panel.

[0017] As the preferred technical scheme of the present application, the inner end of the fire protection cylinder is provided with a plurality of groups of movable grooves, the inner end of each group of movable grooves is provided with a central shaft, the outer end of the central shaft is provided with a elastic plate, the lower end of the elastic plate is provided with a limiting sliding block, and the limiting sliding blocks between adjacent two groups are provided with a limiting arc-shaped rod.

[0018] As the preferred technical scheme of the present application, the inner end of each group of movable grooves is fixedly connected with the central shaft, the outer end of the central shaft is connected with the elastic plate through a ruler spring, and the lower end of the elastic plate is fixedly connected with the limiting sliding block.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] In the scheme of the present application:

[0021] When a fire signal is received by the sensor located in the fireproof protection cylinder, the motor is driven to operate, the motor drives the positioning gear to rotate, the positioning gear drives the linkage rack to rotate along the ring groove, the linkage rack drives the linkage gear to rotate, the linkage gear drives the rotating shaft connected at the lower end to rotate, the rotating shaft drives the lower end threaded rod to rotate, the elastic frame in the fire extinguishing nozzle is driven to move downward, after the linkage frame at the upper end of the elastic frame is separated from the sealing plate, the fire extinguishing gas can be quickly discharged outward, in the process of moving downward of the elastic frame, the positioning seat and the positioning shaft are connected with the positioning hook plate, and when the elastic frame continues to move downward, the positioning hook plate positions the positioning seat, in the process of moving of the part at the lower end of the elastic frame, bending is generated, until the linkage frame at the upper end of the elastic frame is clamped into the frame groove, and then the fire extinguishing gas can be accurately sprayed to the fire extinguishing position. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The overall structure schematic diagram of the power engineering cable protection device provided in the application is shown in the figure.

[0023] Figure 2 The side cross-sectional structure diagram of the power engineering cable protection device provided in the application is shown in the figure.

[0024] Figure 3 The front view of the power engineering cable protection device provided in the application is shown in the figure. Figure 2

[0025] The front view of the power engineering cable protection device provided in the application is shown in the figure. Figure 4 Figure 2

[0026] Figure 5 The internal structure schematic diagram of the fireproof protection cylinder of the power engineering cable protection device provided in the application is shown in the figure.

[0027] Figure 6 The front view of the power engineering cable protection device provided in the application is shown in the figure. Figure 5

[0028] Figure 7 The limit sliding block horizontal cross-sectional view of the power engineering cable protection device provided in the application is shown in the figure.

[0029] Indications in the figure are as follows:

[0030] 1, fireproof protection cylinder; 2, fire extinguishing bin; 3, fire extinguishing nozzle; 4, elastic frame; 5, threaded groove; 6, threaded rod; 7, linkage gear; 8, linkage rack; 9, positioning gear; 10, motor; 11, positioning seat; 12, positioning shaft; 13, positioning hook plate; 14, frame groove; 15, linkage frame; 16, sealing plate; 17, elastic plate; 18, central shaft; 19, limit sliding block; 20, limit arc-shaped rod. DETAILED DESCRIPTION​​​

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0032] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model. It should be noted that the embodiments in the utility model and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0033] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] As shown in Figures 1-6 The utility model discloses an electric power engineering cable protection device, including fireproof protection cylinder 1, the inner end of fireproof protection cylinder 1 is equipped with fire extinguishing bin 2, the lower end of fire extinguishing bin 2 is equipped with fire extinguishing nozzle 3, the inner end of fire extinguishing nozzle 3 is equipped with elastic frame 4, the upper end of elastic frame 4 is equipped with linkage frame 15, the inner end of linkage frame 15 is equipped with threaded rod 6, the upper end of threaded rod 6 is equipped with rotating shaft, the upper end of rotating shaft is equipped with linkage gear 7, the outer end of linkage gear 7 is equipped with linkage rack 8, the inner end of linkage rack 8 is equipped with positioning gear 9, the upper end of positioning gear 9 is equipped with motor 10, the outer end of elastic frame 4 is equipped with positioning seat 11, the inner end of positioning seat 11 is equipped with positioning shaft 12, the outer end of positioning shaft 12 is equipped with positioning hook plate 13.

[0035] Fire extinguishing bin 2 is embedded in the inner end of fireproof protection cylinder 1, the number of fire extinguishing nozzle 3 is set as several groups, fire extinguishing nozzle 3 is connected with fire extinguishing bin 2, elastic frame 4 slides along the inside of fire extinguishing nozzle 3, and the upper end of elastic frame 4 is fixedly connected with linkage frame 15.

[0036] The outer end of linkage frame 15 is equipped with frame slot 14, and frame slot 14 is embedded and installed in the inner surface of the lower end of fire extinguishing bin 2, the upper end inner surface of fire extinguishing bin 2 is fixedly connected with sealing plate 16, and sealing plate 16 is movably connected to the inner end of linkage frame 15.

[0037] Linkage frame 15 is movably connected with rotating shaft, and the lower end of rotating shaft is fixedly connected with threaded rod 6.

[0038] The outer end of the linkage rod is provided with a threaded groove 5, which is evenly arranged at the inner end of the elastic frame 4. The upper end of the rotating shaft is fixedly connected to the linkage gear 7, and the outer end of the linkage gear 7 is meshed with the linkage rack 8.

[0039] The outer end of the linkage rack 8 is provided with an annular groove, and the linkage rack 8 is meshed with the positioning gear 9. The upper end of the positioning gear 9 is movably connected with the motor 10, and a solar panel is installed on the top of the fireproof protective cylinder 1.

[0040] When this application is used:

[0041] In normal times when there is no fire, the solar panel supplies power to motor 10;

[0042] When a fire occurs, the sensor located inside the fireproof protective cylinder 1 receives the fire signal, which drives the motor 10 to operate. The motor 10 drives the positioning gear 9 to rotate, which in turn drives the linkage rack 8 to rotate along the annular groove. The rotation of the linkage rack 8 drives the linkage gear 7 to rotate, which in turn drives the rotating shaft connected at the lower end to rotate. The threaded rod 6 at the lower end of the rotating shaft rotates, causing the elastic frame 4 inside the fire extinguishing nozzle 3 to move downward. After the linkage frame 15 at the upper end of the elastic frame 4 separates from the sealing plate 16, it can quickly drive the fire extinguishing gas to disperse outward. During the downward movement, the elastic frame 4 is connected to the positioning hook plate 13 through the positioning seat 11 and the positioning shaft 12. As the elastic frame 4 continues to move downward, the positioning hook plate 13 positions the positioning seat 11. During the movement, the lower part of the elastic frame 4 bends until the linkage frame 15 at the upper end of the elastic frame 4 is engaged in the frame groove 14, thereby enabling precise spraying of fire extinguishing gas to the fire extinguishing area.

[0043] The structure inside the fire extinguishing chamber 2 is consistent with the internal structure of existing fire extinguishing equipment. In this application, only the structure of the fire extinguishing nozzle 3 has been changed.

[0044] like Figure 7 As shown, in a preferred embodiment, based on the above method, the inner end of the fireproof protective cylinder 1 is further provided with multiple sets of movable grooves, the inner end of each set of movable grooves is provided with a central shaft 18, the outer end of the central shaft 18 is provided with a spring plate 17, the lower end of the spring plate 17 is provided with a limiting slider 19, and a limiting arc rod 20 is provided between two adjacent sets of limiting sliders 19.

[0045] The inner end of each set of movable slots is fixedly connected to the central shaft 18, and the outer end of the central shaft 18 is connected to the spring plate 17 through a ruler spring. The lower end of the spring plate 17 is fixedly connected to the limit slider 19.

[0046] In use, the fireproof protection cylinder 1 is inserted into the upper end of the cable connecting rod, and the elastic plate 17 in the movable slot drives the fireproof protection cylinder 1 to be clamped into the upper end of the cable connecting rod to realize positioning, and the inside of the elastic plate 17 is the elastic structure inside the tape measure in the prior art, in the process of inserting the fireproof protection cylinder 1 into the upper end of the cable connecting rod, the lower end of the elastic plate 17 rotates to the inner end of the movable slot, and when the fireproof protection cylinder 1 continues to slide, the lower end of the elastic plate 17 is elastically moved outward, the linkage of the limiting arc-shaped rod 20 connected to the elastic plate 17 pushes the linkage sliding block, and the clamping and positioning of the fireproof protection cylinder 1 are facilitated.

[0047] The above embodiments are only used to illustrate the technical solutions described in the utility model and not to limit the utility model, although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, therefore any modification or equivalent replacement of the utility model, and all technical solutions and improvements without departing from the spirit and scope of the utility model are all covered in the claim scope of the utility model.

Claims

1. A power engineering cable protection device comprising a fire protection tube (1), characterized in that, The inner end of the fireproof protection cylinder (1) is provided with a fire extinguishing bin (2), the lower end of the fire extinguishing bin (2) is provided with a fire extinguishing nozzle (3), the inner end of the fire extinguishing nozzle (3) is provided with an elastic frame (4), the upper end of the elastic frame (4) is provided with a linkage frame (15), the inner end of the linkage frame (15) is provided with a threaded rod (6), the upper end of the threaded rod (6) is provided with a rotating shaft, the upper end of the rotating shaft is provided with a linkage gear (7), the outer end of the linkage gear (7) is provided with a linkage rack (8), the inner end of the linkage rack (8) is provided with a positioning gear (9), the upper end of the positioning gear (9) is provided with a motor (10), the outer end of the elastic frame (4) is provided with a positioning seat (11), the inner end of the positioning seat (11) is provided with a positioning shaft (12), and the outer end of the positioning shaft (12) is provided with a positioning hook plate (13).

2. The power engineering cable protection device according to claim 1, characterized in that, The fire extinguishing bin (2) is embedded in the inner end of the fireproof protection cylinder (1), the number of the fire extinguishing nozzles (3) is set as several groups, the fire extinguishing nozzle (3) is connected with the fire extinguishing bin (2) in penetration, the elastic frame (4) slides up and down along the fire extinguishing nozzle (3), and the upper end of the elastic frame (4) is fixedly connected with the linkage frame (15).

3. An electrical power engineering cable protection device according to claim 2, characterised in that, The outer end of the linkage frame (15) is provided with a frame groove (14), and the frame groove (14) is embedded and installed in the inner surface of the lower end of the fire extinguishing bin (2), the upper end inner surface of the fire extinguishing bin (2) is fixedly connected with a sealing plate (16), and the sealing plate (16) is movably connected with the inner end of the linkage frame (15).

4. An electrical power engineering cable protection device according to claim 3, characterised in that, The linkage frame (15) is movably connected with the rotating shaft, and the lower end of the rotating shaft is fixedly connected with the threaded rod (6).

5. An electrical power engineering cable protection device according to claim 4, characterised in that, The outer end of the linkage rod is provided with a threaded groove (5), the threaded grooves (5) are arranged at equal intervals in the inner end of the elastic frame (4), the upper end of the rotating shaft is fixedly connected with the linkage gear (7), and the outer end of the linkage gear (7) is meshingly connected with the linkage rack (8).

6. An electrical power engineering cable protection device according to claim 5, characterised in that, The outer end of the linkage rack (8) is provided with a ring groove, the linkage rack (8) is meshingly connected with the positioning gear (9), the upper end of the positioning gear (9) is movably connected with the motor (10), and the top end of the fireproof protection cylinder (1) is provided with a solar cell panel.

7. The power engineering cable protection device according to claim 1, characterized in that, The inner end of the fireproof protection cylinder (1) is provided with a plurality of groups of movable grooves, the inner end of each group of movable grooves is provided with a central shaft (18), the outer end of the central shaft (18) is provided with a resilient plate (17), the lower end of the resilient plate (17) is provided with a limiting sliding block (19), and the limiting sliding blocks (19) between adjacent two groups are provided with a limiting arc-shaped rod (20).

8. The power engineering cable protection device according to claim 7, characterized in that, The inner end of each group of movable grooves is fixedly connected with the central shaft (18), the outer end of the central shaft (18) is connected with the resilient plate (17) through a ruler spring, and the lower end of the resilient plate (17) is fixedly connected with the limiting sliding block (19).

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