High-voltage switch cabinet cable bridge with telescopic function

Abstract

The utility model relates to the technical field of cable bridges, and discloses a high-voltage switch cabinet cable bridge with a telescopic function, which comprises upper fixing frames, lower fixing frames are arranged at the bottoms of the upper fixing frames, connecting blocks are connected between the upper fixing frames in a sliding manner, and sliding grooves are formed in the connecting blocks. And one ends of strong springs are fixedly connected to the interiors of the connecting blocks, sliding columns are fixedly connected to the other ends of the strong springs, balls are arranged on the sides, away from the strong springs, of the sliding columns, the strong springs are arranged in the sliding grooves, and limiting blocks are fixedly connected to the outer walls of the sliding columns. And limiting grooves are formed in the connecting blocks. According to the utility model, through cooperation of the upper fixing frame, the lower fixing frame, the balls, the sliding columns and other parts, the effect of telescoping the equipment is achieved, the problem that the specification of the equipment cannot be adjusted according to the specific thickness of a cable is solved, and the practicability of the equipment is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridges, in particular to a high-voltage switch cabinet cable bridge with a telescopic function. Background Art

[0002] High-voltage switchgear is an electrical device used to distribute, control and protect circuits in high-voltage power systems. These systems usually include substations, industrial equipment and power distribution networks. In order to support, install and protect cables during the use of high-voltage switchgear, we usually use cable trays for cable wiring systems around high-voltage switchgear and power distribution equipment.

[0003] However, the existing high-voltage switchgear cable trays are basically built according to fixed specifications and sizes. Once additional cables need to be added or cables of different specifications need to be replaced during the construction process, the corresponding cable trays may no longer be adaptable. At this time, the staff will need to find a cable tray of corresponding specifications for installation, which limits the scope of application of the equipment to a certain extent. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a high-voltage switch cabinet cable tray with a telescopic function, which is aimed at improving the problem that the high-voltage switch cabinet cable tray cannot be telescopically adjusted in size according to specific construction requirements.

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

[0006] A high-voltage switch cabinet cable tray with telescopic function, comprising an upper fixed frame, a lower fixed frame is arranged at the bottom of each upper fixed frame, a connecting block is slidably connected between each upper fixed frame, a sliding groove is provided inside each connecting block, one end of a strong spring is fixedly connected inside each connecting block, a sliding column is fixedly connected to the other end of each strong spring, and a ball is arranged on the side of each sliding column away from the strong spring;

[0007] The strong springs are all arranged inside the slide grooves, the outer walls of the slide columns are fixedly connected to the limiting blocks, the limiting grooves are arranged inside the connecting blocks, the limiting blocks are slidably connected inside the limiting grooves, and the outer walls of the connecting blocks are provided with limiting components.

[0008] The limiting assembly includes a fixed block and a spacer block. The fixed block is fixedly connected to the upper surface of the connecting block. The spacers are fixedly connected to the inside of the upper fixing frame and the lower fixing frame. The lower surfaces of the spacers are in contact with the connecting block.

[0009] The lower surface of the upper fixing frame is fixedly connected with a clamping block, and the clamping blocks are embedded and connected inside the lower fixing frame.

[0010] The clamping block and the lower fixing frame are both threadedly connected with bolts, and nuts are arranged at both ends of the bolts.

[0011] Anti-corrosion layers are arranged inside the upper fixing frame and the lower fixing frame.

[0012] A fireproof layer is arranged on one side of the anti-corrosion layer.

[0013] A strength layer is arranged on one side of the fireproof layer away from the anti-corrosion layer.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model pulls the upper fixed frame and the lower fixed frame on both sides, so that the ball will squeeze the strong spring through the sliding column. When the ball reaches the next reserved hole in the upper fixed frame and the lower fixed frame, the strong spring will push the ball back to the reserved hole for engagement through the reaction force generated by the restoring property. The set limit assembly can prevent the device from being pulled too far during the extension and retraction process, thereby achieving the effect of extending and retracting the device, solving the problem that the device cannot adjust the specifications according to the specific thickness of the cable, and improving the practicality of the device to a certain extent.

[0016] 2. The utility model drives the card block to fit into the corresponding lower fixed frame position through the upper fixed frame, and then uses bolts to connect the connections in series, and limits the position through nuts, so as to achieve a more stable equipment connection effect, solve the problem that the upper and lower connections of the bridge frame are not integral and the simple fixing with screws is too unstable, and enhances the stability of the equipment to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a high-voltage switch cabinet cable tray with a telescopic function proposed by the utility model;

[0018] Figure 2 This is a schematic cross-sectional structure diagram of an upper fixing frame and a lower fixing frame of a high-voltage switch cabinet cable tray with a telescopic function proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of a connection block of a high-voltage switch cabinet cable tray with a telescopic function proposed by the utility model;

[0020] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 This is a distribution diagram of the internal structure of an upper fixing frame and a lower fixing frame of a high-voltage switch cabinet cable tray with a telescopic function proposed by the utility model.

[0022] Legend:

[0023] 1. Upper fixed frame; 2. Lower fixed frame; 3. Connecting block; 4. Slide groove; 5. Powerful spring; 6. Slide column; 7. Ball bearing; 8. Limit block; 9. Limit groove; 10. Fixed block; 11. Spacer block; 12. Block; 13. Bolt; 14. Nut; 15. Anti-corrosion layer; 16. Fireproof layer; 17. Strength layer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-3 The utility model provides an embodiment: a high-voltage switch cabinet cable tray with a telescopic function, comprising an upper fixed frame 1, a lower fixed frame 2 is arranged at the bottom of the upper fixed frame 1, a connecting block 3 is slidably connected between the upper fixed frames 1, a sliding groove 4 is opened inside the connecting block 3, one end of a strong spring 5 is fixedly connected inside the connecting block 3, and the other end of the strong spring 5 is fixedly connected to a sliding column 6, and a ball 7 is arranged on the side of the sliding column 6 away from the strong spring 5;

[0026] The strong springs 5 ​​are all arranged inside the slide grooves 4, the outer walls of the slide columns 6 are fixedly connected to the limit blocks 8, the connection blocks 3 are provided with limit grooves 9, the limit blocks 8 are slidably connected inside the limit grooves 9, and the outer walls of the connection blocks 3 are provided with limit components; Figure 4 The limiting assembly includes a fixed block 10 and a spacer block 11. The fixed block 10 is fixedly connected to the upper surface of the connecting block 3. The spacer blocks 11 are fixedly connected to the inside of the upper fixed frame 1 and the lower fixed frame 2. The lower surface of the spacer blocks 11 is in contact with the connecting block 3.

[0027] Specifically, by pulling the upper fixed frames 1 on both sides, the lower fixed frames 2 on both sides are driven synchronously, so that the corresponding balls 7 are first acted upon by force, thereby generating a squeezing force on the strong spring 5 through the slide column 6, so that the balls 7 and the slide column 6 can be immersed deeper in the slide groove 4, so as not to hinder the upper fixed frames 1 and the lower fixed frames 2 on both sides from being pulled apart;

[0028] When the ball 7 is pulled to the next reserved hole corresponding to the upper fixed frame 1 or the lower fixed frame 2, the force on the ball 7 disappears, and the reaction force generated by the strong spring 5 due to the restorability will push the ball 7 to the reserved hole through the slide column 6, so that the positions of the upper fixed frame 1 and the lower fixed frame 2 on both sides are fixed, so that the effect of being retractable and adjusting the size according to the cable specifications and the number of lines is achieved;

[0029] The provided clamping block 12 can no longer be pulled when it is pulled to fit with the spacer 11, thereby preventing the upper fixing frames 1 on both sides and the lower fixing frames 2 on both sides from being pulled too far and thus being separated.

[0030] Reference Figure 1 , 2 and 5, the lower surface of the upper fixed frame 1 is fixedly connected with a clamping block 12, the clamping block 12 is embedded in the lower fixed frame 2, the clamping block 12 and the lower fixed frame 2 are threadedly connected with a bolt 13, both ends of the bolt 13 are provided with a nut 14, the upper fixed frame 1 and the lower fixed frame 2 are provided with an anti-corrosion layer 15, one side of the anti-corrosion layer 15 is provided with a fireproof layer 16, and the side of the fireproof layer 16 away from the anti-corrosion layer 15 is provided with a strength layer 17;

[0031] Specifically, the upper fixing frame 1 and the clamping block 12 are engaged with each other in the lower fixing frame 2 to achieve preliminary docking, and then the engaged connection is fixed in series by the bolts 13, and finally the position of the bolts 13 is fixed by the nuts 14 to achieve a stable connection between the upper fixing frame 1 and the lower fixing frame 2, so that it is not so easy to cause overall shaking due to the instability of the connection during use;

[0032] The anti-corrosion layer 15 is made of zinc. Galvanizing the outermost layer can make the equipment as a whole less susceptible to corrosion by corrosive substances in the atmosphere. The fireproof layer 16 is made of glass fiber reinforced plastic material to give the equipment certain fireproof properties. The innermost strength layer 17 is generally made of steel to provide a certain strength for the overall equipment.

[0033] Working principle: When the upper fixed frame 1 and the lower fixed frame 2 need to be stretched to adjust the number of cables and the size of the cables carried therein, the upper fixed frames 1 on both sides can be pulled so that the lower fixed frames 2 on both sides are driven synchronously, and the ball bearings 7 will be stressed to generate a squeezing force on the strong spring 5 through the slide column 6. At this time, the ball bearings 7 and the slide column 6 will first sink into the slide groove 4, so as not to hinder the expansion of the upper fixed frame 1 and the lower fixed frame 2 on both sides;

[0034] When the ball 7 is pulled to the next reserved hole corresponding to the upper fixed frame 1 or the lower fixed frame 2, the force on the ball 7 disappears, and the strong spring 5 will push the sliding column 6 and the ball 7 back to the original position through the reaction force generated by its own restorability. At this time, the ball 7 will be engaged with the corresponding reserved hole to fix the position of the upper fixed frame 1 and the lower fixed frame 2 after stretching. Because the limit block 8 can only slide in the limit groove 9, the sliding track of the sliding column 6 can be limited, and the deformation problem that may be caused by the uncoordinated extrusion force of the strong spring 5 can be effectively prevented;

[0035] The provided clamping block 12 will no longer be pulled when it is pulled to fit with the spacer 11, effectively preventing the upper fixing frame 1 and the lower fixing frame 2 on both sides from being separated due to the stretching process. Because the equipment is generally assembled by upper and lower docking, the clamping block 12 is driven by the upper fixing frame 1 to be embedded in the lower fixing frame 2, and then the bolts 13 are used to connect the overlapping positions of the docking together, so as to more stably fix the equipment together from top to bottom;

[0036] The anti-corrosion layer 15 is galvanized to prevent damage to the equipment caused by corrosion. The fire-proof layer 16 is flame-retardant fiber straw to a certain extent to control the spread of fire. The strength layer 17 is made of steel structure to ensure the strength of the overall equipment to a certain extent.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-voltage switch cabinet cable tray with telescopic function, characterized in that: It comprises an upper fixed frame (1), a lower fixed frame (2) is arranged at the bottom of the upper fixed frame (1), a connecting block (3) is slidably connected between the upper fixed frames (1), a sliding groove (4) is provided inside the connecting block (3), one end of a strong spring (5) is fixedly connected inside the connecting block (3), the other end of the strong spring (5) is fixedly connected to a sliding column (6), and a ball (7) is arranged on the side of the sliding column (6) away from the strong spring (5); The strong springs (5) are all arranged inside the slide grooves (4), the outer walls of the slide columns (6) are all fixedly connected to the limit blocks (8), the connection blocks (3) are all provided with limit grooves (9), the limit blocks (8) are all slidably connected inside the limit grooves (9), and the outer walls of the connection blocks (3) are provided with limit components.

2. A high-voltage switch cabinet cable tray with telescopic function according to claim 1, characterized in that: The limiting assembly comprises a fixed block (10) and a spacer block (11); the fixed block (10) is fixedly connected to the upper surface of the connecting block (3); the spacer blocks (11) are fixedly connected inside the upper fixing frame (1) and the lower fixing frame (2); and the lower surfaces of the spacer blocks (11) are in contact with the connecting block (3).

3. The high-voltage switch cabinet cable tray with telescopic function according to claim 1, characterized in that: The lower surface of the upper fixed frame (1) is fixedly connected with a clamping block (12), and the clamping block (12) is embedded in the interior of the lower fixed frame (2).

4. The high-voltage switch cabinet cable tray with telescopic function according to claim 3, characterized in that: The clamping block (12) and the lower fixing frame (2) are both threadedly connected with bolts (13), and nuts (14) are provided at both ends of the bolts (13).

5. The high-voltage switch cabinet cable tray with telescopic function according to claim 1, characterized in that: An anti-corrosion layer (15) is provided inside the upper fixing frame (1) and the lower fixing frame (2).

6. The high-voltage switch cabinet cable tray with telescopic function according to claim 5, characterized in that: A fireproof layer (16) is provided on one side of the anti-corrosion layer (15).

7. The high-voltage switch cabinet cable tray with telescopic function according to claim 6, characterized in that: A strength layer (17) is provided on the side of the fireproof layer (16) away from the anti-corrosion layer (15).

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