Railway fireproof heat-insulation cable wire duct

Abstract

The utility model relates to the technical field of cable slots, in particular to a railway fireproof heat insulation cable slot, which comprises a slot body, an inspection mechanism is arranged on the outer wall of the slot body, a fireproof heat insulation pad is fixedly connected to the inner wall of the slot body, and a cover plate is mounted at the top of the slot body. The inspection mechanism comprises a sliding plate fixedly connected to the outer wall of the groove body, inspection grooves are formed in the two sides of the inner wall of the groove body, a limiting plate is fixedly connected to the position, close to the corresponding position of the sliding plate, of the outer wall of the groove body, and a through groove is formed in the position, in front of the inspection grooves, of the interior of the sliding plate; a through groove is formed in the outer wall of the groove body, a protection plate is fixedly connected into the through groove, and a fixing plate is fixedly connected to the position, below the through groove, of the outer wall of the groove body, the railway fireproof heat insulation cable groove is designed, a cable is inspected through the inspection mechanism in the railway fireproof heat insulation cable groove, and the problem that when an existing fireproof heat insulation cable groove inspects the cable, the cable cannot be inspected easily is solved. And the inspection can be carried out only by taking down the wire duct cover plate, so that the operation wastes time and labor.

Description

Technical Field

[0001] The utility model relates to the technical field of cable ducts, in particular to a railway fireproof and heat-insulating cable duct. Background Art

[0002] Fireproof and heat-insulated cable ducts are a type of cable installation equipment commonly used in railways, but existing fireproof and heat-insulated cable ducts still have shortcomings. Specifically, when inspecting cables, the existing fireproof and heat-insulated cable ducts need to remove the cable duct cover for inspection, which is time-consuming and labor-intensive.

[0003] Therefore, a railway fireproof and heat-insulating cable duct is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a railway fireproof and heat-insulated cable duct to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A railway fireproof and heat-insulating cable duct comprises a duct body, an outer wall of the duct body is provided with an inspection mechanism, an inner wall of the duct body is fixedly connected with a fireproof and heat-insulating pad, and a cover plate is installed on the top of the duct body;

[0007] The inspection mechanism includes a sliding plate fixedly connected to the inner wall of the trough body, inspection grooves are opened on both sides of the inner wall of the trough body, a limit plate is fixedly connected to the outer wall of the trough body at a corresponding position close to the sliding plate, a through groove is opened inside the sliding plate and in front of the inspection groove, a protective plate is fixedly connected to the inside of the through groove, a fixed plate is fixedly connected to the outer wall of the trough body and below the through groove, a rotating shaft is rotatably connected to the inside of the fixed plate, a driving gear is fixedly connected to the top of the center of the outer wall of the rotating shaft, a transmission rack is fixedly connected to the outer wall of the sliding plate at the corresponding position of the driving gear, a worm wheel is fixedly connected to the center of the outer wall of the rotating shaft, and a worm is meshingly connected to the outer wall of the worm wheel.

[0008] As a preferred solution of the utility model, the trough body and the cover plate are both made of aluminum alloy, and the fireproof heat insulation pad is made of fireproof material.

[0009] As a preferred solution of the utility model, the sliding plate, the limit plate and the fixed plate are all made of aluminum alloy, the limit plate is a convex structure design, and the limit plate is provided with four groups. As a preferred solution of the utility model, the sliding plate is a concave structure design, the worm runs through and extends outside the fixed plate, and the connection method of the limit plate, the fixed plate and the sliding plate is a sliding connection.

[0010] As a preferred solution of the utility model, the driving gear passes through and extends outside the fixed plate, and the driving gear is connected to the transmission rack by a meshing connection.

[0011] As a preferred solution of the utility model, the protective plate is made of transparent acrylic glass, the connection between the worm and the fixed plate is a rotational connection, and multiple groups of through grooves and inspection grooves are provided.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a railway fireproof and heat-insulating cable duct is designed, and the inspection mechanism in the device is used to inspect the cables. The cover plate is removed, the cables are placed inside the duct body, and the cover plate is then covered. The duct body is installed at a suitable position. When inspecting the cables, the worm is rotated, and the worm drives the driving gear to rotate through the worm wheel. The rotating driving gear drives the sliding plate to move backward through the transmission rack. The sliding plate moving backward aligns the through groove with the inspection groove on the duct body. The maintenance personnel observe the cables in the duct body through the inspection groove. The inspection operation is time-saving and labor-saving, and solves the problem that the existing fireproof and heat-insulating ducts need to remove the duct cover plate for inspection when inspecting the cables, and the operation is time-consuming and labor-intensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the utility model;

[0016] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0017] In the figure: 1. trough body; 2. inspection mechanism; 3. fireproof and heat-insulating pad; 4. cover plate; 201. sliding plate; 202. inspection groove; 203. limit plate; 204. through groove; 205. protective plate; 206. fixed plate; 207. rotating shaft; 208. driving gear; 209. transmission rack; 210. worm wheel; 211. worm. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] For examples, see Figure 1-3, the utility model provides a technical solution:

[0020] A railway fireproof and heat-insulating cable duct comprises a duct body 1, an inspection mechanism 2 is arranged on the outer wall of the duct body 1, a fireproof and heat-insulating pad 3 is fixedly connected to the inner wall of the duct body 1, and a cover plate 4 is installed on the top of the duct body 1;

[0021] The tank body 1 and the cover plate 4 are both made of aluminum alloy, and the fireproof heat insulation pad 3 is made of fireproof material;

[0022] In this embodiment, reference Figure 2 and Figure 3 The inspection mechanism 2 includes a sliding plate 201 fixedly connected to the outer wall of the trough body 1, inspection grooves 202 are provided on both sides of the inner wall of the trough body 1, a limit plate 203 is fixedly connected to the outer wall of the trough body 1 and at a position corresponding to the sliding plate 201, a through groove 204 is provided inside the sliding plate 201 and in front of the inspection groove 202, a protective plate 205 is fixedly connected inside the through groove 204, a fixed plate 206 is fixedly connected to the outer wall of the trough body 1 and below the through groove 204, a rotating shaft 207 is rotatably connected inside the fixed plate 206, a driving gear 208 is fixedly connected above the center of the outer wall of the rotating shaft 207, a transmission rack 209 is fixedly connected to the outer wall of the sliding plate 201 and at a position corresponding to the driving gear 208, a worm wheel 210 is fixedly connected to the center of the outer wall of the rotating shaft 207, and a worm 211 is meshingly connected to the outer wall of the worm wheel 210;

[0023] The sliding plate 201, the limiting plate 203 and the fixed plate 206 are all made of aluminum alloy. The limiting plate 203 is designed as a convex structure. The limiting plate 203 is provided with four groups. The sliding plate 201 is designed as a concave structure. The worm 211 penetrates and extends to the outside of the fixed plate 206. The limiting plate 203, the fixed plate 206 and the sliding plate 201 are connected in a sliding manner. The driving gear 208 penetrates and extends to the outside of the fixed plate 206. The driving gear 208 and the transmission rack 209 are connected in a meshing manner. The protective plate 205 is made of transparent acrylic glass. The worm 211 is connected to the fixed plate 206 in a rotating manner. The through groove 204 and the inspection groove 202 are provided with multiple groups. When checking the cable, the worm is rotated. 211, the worm 211 will drive the driving gear 208 to rotate through the worm wheel 210, and the rotating driving gear 208 will drive the sliding plate 201 to move backward through the transmission rack 209. The sliding plate 201 that moves backward will make the through slot 204 align with the inspection slot 202 on the slot body 1. The maintenance personnel observe the cables in the slot body 1 through the inspection slot 202 and rotate the worm 211 in the opposite direction. The worm 211 will drive the driving gear 208 to rotate in the opposite direction through the worm wheel 210. The driving gear 208 that rotates in the opposite direction will drive the sliding plate 201 to move forward through the transmission rack 209. The sliding plate 201 that moves forward drives the through slot 204 to be offset from the inspection slot 202 on the slot body 1, and the sliding plate 201 covers the inspection slot 202 again.

[0024] The working process of the utility model is as follows: when the railway fireproof and heat-insulated cable duct designed by the present invention is in operation, the cover plate 4 is removed, the cable is placed inside the duct body 1, the cover plate 4 is then covered, and the duct body 1 is installed in a suitable position. When checking the cable, the worm 211 is rotated, and the worm 211 drives the driving gear 208 to rotate through the worm wheel 210. The rotating driving gear 208 drives the sliding plate 201 to move backward through the transmission rack 209. The sliding plate 201 moving backward aligns the through slot 204 with the through slot 204. The inspection slot 202 on the slot body 1 is used by the maintenance personnel to observe the cables in the slot body 1 through the inspection slot 202. After the inspection is completed, the worm 211 is rotated in the reverse direction. The worm 211 drives the driving gear 208 to rotate in the reverse direction through the worm wheel 210. The reversely rotating driving gear 208 drives the sliding plate 201 to move forward through the transmission rack 209. The sliding plate 201 moving forward drives the through slot 204 to be offset from the inspection slot 202 on the slot body 1, and the sliding plate 201 covers the inspection slot 202 again.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A railway fireproof and heat-insulated cable duct, comprising a duct body (1), characterized in that: The outer wall of the trough body (1) is provided with an inspection mechanism (2), the inner wall of the trough body (1) is fixedly connected with a fireproof heat insulation pad (3), and the top of the trough body (1) is installed with a cover plate (4); The inspection mechanism (2) comprises a sliding plate (201) fixedly connected to the outer wall of the trough body (1), inspection grooves (202) are provided on both sides of the inner wall of the trough body (1), a limiting plate (203) is fixedly connected to the outer wall of the trough body (1) at a position corresponding to the sliding plate (201), a through groove (204) is provided inside the sliding plate (201) and in front of the inspection groove (202), a protective plate (205) is fixedly connected inside the through groove (204), and the outer wall of the trough body (1) is provided with a protective plate (205) in the through groove. A fixed plate (206) is fixedly connected to the bottom of (204), a rotating shaft (207) is rotatably connected to the inside of the fixed plate (206), a driving gear (208) is fixedly connected to the top of the center of the outer wall of the rotating shaft (207), a transmission rack (209) is fixedly connected to the outer wall of the sliding plate (201) and at a position corresponding to the driving gear (208), a worm wheel (210) is fixedly connected to the center of the outer wall of the rotating shaft (207), and a worm (211) is meshingly connected to the outer wall of the worm wheel (210).

2. The railway fireproof and heat-insulated cable trunking according to claim 1 is characterized in that: The trough body (1) and the cover plate (4) are both made of aluminum alloy, and the fireproof heat insulation pad (3) is made of fireproof material.

3. The railway fireproof and heat-insulated cable trunking according to claim 1 is characterized by: The sliding plate (201), the limiting plate (203) and the fixing plate (206) are all made of aluminum alloy; the limiting plate (203) is designed as a convex-shaped structure; and four groups of the limiting plates (203) are provided.

4. The railway fireproof and heat-insulated cable trunking according to claim 1 is characterized by: The sliding plate (201) is designed as a concave-shaped structure, the worm (211) penetrates and extends outside the fixed plate (206), and the connection mode of the limiting plate (203), the fixed plate (206) and the sliding plate (201) is sliding connection.

5. The railway fireproof and heat-insulated cable trunking according to claim 1 is characterized by: The driving gear (208) penetrates through and extends outside the fixing plate (206), and the driving gear (208) and the transmission rack (209) are connected in a meshing manner.

6. The railway fireproof and heat-insulated cable trunking according to claim 1 is characterized by: The protective plate (205) is made of transparent acrylic glass, the worm (211) and the fixed plate (206) are connected in a rotational manner, and multiple groups of through grooves (204) and inspection grooves (202) are provided.

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