16kN-25kN rod type porcelain insulator

Abstract

The utility model discloses a 16kN-25kN rod type porcelain insulator, comprising an insulating rod, the upper end and the lower end of the insulating rod are respectively fixed with an insertion block, the outer wall of each insertion block is provided with a group of round holes, the two ends of the insulating rod are respectively inserted with a second connecting cap and a first connecting cap, the inner wall of the first connecting cap is provided with a first slot, the inner wall of the first slot is provided with a group of first fixing holes, and the inner wall of the first slot is provided with a group of second fixing holes. The first fixing holes penetrate through the outer wall of one side of the first connecting cap, the round holes are inserted into the inner walls of the first inserting grooves, the first fixing holes are fixed to the inner walls of the round holes through bolts, second inserting grooves are formed in the inner wall of the second connecting cap, a set of second fixing holes are formed in the inner walls of the second inserting grooves, and the second fixing holes penetrate through the outer wall of one side of the second connecting cap. According to the utility model, the second connecting cap and the first connecting cap which are connected with the two ends of the insulating rod are fixed through bolts and bonding fixation, so that the stability of connection between the two ends of the insulating rod and the second connecting cap and the first connecting cap is improved, and the safety of the porcelain insulator in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rod porcelain insulator, especially to a 16kN - 25kN rod porcelain insulator. BACKGROUND

[0002] At present, the rod porcelain insulator is widely used in the catenary of electrified railway. The porcelain rod insulator is good in bending resistance and torsion resistance and excellent in mechanical performance, and the porcelain rod insulator has been widely used in the power supply system of the catenary of electrified railway, which makes great contribution to the safe operation of railway system and the rapid development of economic society.

[0003] In order to solve the above problems, through retrieval, the patent with the Chinese patent application number CN201721180564.3 discloses a porcelain composite insulator for catenary of electrified railway, which comprises a sleeve type metal accessory, a porcelain core rod, a silica gel umbrella cover and a single ear type metal accessory. However, the above technical solution does not set the corresponding mechanism that can effectively improve the overall connection strength of the rod porcelain insulator, so there is still the problem that the connection between the porcelain core rod and the upper and lower end connecting caps is only fixed by the adhesive, resulting in that the connection between the connecting caps and the porcelain core rod is not firm and safe enough. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a 16kN - 25kN rod porcelain insulator.

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

[0006] A 16kN - 25kN rod porcelain insulator, comprising an insulating rod, the insulating rod is fixed with an insertion block at the upper and lower ends respectively, a group of round holes are opened on the outer wall of the insertion block, a second connecting cap and a first connecting cap are respectively inserted at the two ends of the insulating rod, a first insertion slot is opened on the inner wall of the first connecting cap, a group of first fixing holes are opened on the inner wall of the first insertion slot, the first fixing holes penetrate the outer wall on one side of the first connecting cap, the round holes are inserted on the inner wall of the first insertion slot, and the first fixing holes are fixed on the inner wall of the round holes through bolts.

[0007] As a further scheme of the utility model, a second insertion slot is opened on the inner wall of the second connecting cap, a group of second fixing holes are opened on the inner wall of the second insertion slot, the second fixing holes penetrate the outer wall on one side of the second connecting cap, the insertion block at the other end of the insulating rod is inserted on the inner wall of the second insertion slot, and the second fixing holes are fixed on the inner wall of the round holes through bolts.

[0008] As a further scheme of the utility model, the inner walls of the second connecting cap and the first connecting cap are respectively provided with an adhesive layer.

[0009] As a further scheme of the utility model: the second connecting cap and the first connecting cap are fixed with gaskets on the inner walls of opposite sides.

[0010] As a further scheme of the utility model: the outer wall of the insulating rod is fixed with a plurality of first umbrella skirts and second umbrella skirts, the diameter of the first umbrella skirt is 200mm, and the diameter of the second umbrella skirt is 230mm.

[0011] As a further scheme of the utility model: the outer wall of the first connecting cap is fixed with a first connecting ring, the outer wall of the second connecting cap is fixed with a second connecting ring, the outer wall of the insulating rod is fixed with a second fixing ring and a first fixing ring, the second fixing ring is fixed on the outer wall of the second connecting ring through bolts, and the first connecting ring is fixed on the outer wall of the first fixing ring through bolts.

[0012] As a further scheme of the utility model: the outer walls of the first fixing ring and the second fixing ring are fixed with reinforcing blocks, and the reinforcing blocks are fixed on the outer wall of the insulating rod.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. the second connecting cap and the first connecting cap of two kinds of ways of bolt and bonding fixed two ends of insulating rod are fixed, effectively improve the stability of the connection between the two ends of insulating rod and the second connecting cap and the first connecting cap, improve the security when using porcelain insulator.

[0015] 2. after the second connecting cap and the first connecting cap are fixed at the two ends of the insulating rod, the first connecting ring and the second connecting ring on the outer walls of the second connecting cap and the first connecting cap can be fixed on the second fixing ring on the outer walls of the two ends of the insulating rod through bolts, thereby improving the tightness of the connection between the second connecting cap, the first connecting cap and the two ends of the insulating rod.

[0016] 3. the plurality of reinforcing blocks fixed on the outer wall of the second fixing ring can improve the overall strength of the first fixing ring on the outer wall of the insulating rod, thereby further improving the overall strength of the insulating rod and the second connecting cap and the first connecting cap fixed on the two ends. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 a kind of 16kN-25kN rod type porcelain insulator's front view structure schematic diagram is provided for the utility model;

[0018] Fig. 2 a kind of 16kN-25kN rod type porcelain insulator's first connecting cap structure schematic diagram is provided for the utility model;

[0019] Fig. 3 a kind of 16kN-25kN rod type porcelain insulator's second connecting cap structure schematic diagram is provided for the utility model.

[0020] In the diagram: 1-Insulating rod, 2-First umbrella skirt, 3-Second umbrella skirt, 4-Second fixing ring, 5-Second connecting cap, 6-Second fixing hole, 7-Reinforcing block, 8-First fixing ring, 9-First connecting cap, 10-First fixing hole, 11-First slot, 12-Adhesive layer, 13-Insertion block, 14-Round hole, 15-First connecting ring, 16-Gasket, 17-Second slot, 18-Second connecting ring. Detailed Implementation

[0021] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0022] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0023] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.

[0024] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0025] Example 1

[0026] A type of 16kN-25kN rod-shaped porcelain insulator, such as Figs. 1-3 As shown, it includes an insulating rod 1, with insert blocks 13 fixed at its upper and lower ends respectively. A set of round holes 14 are opened on the outer wall of the insert blocks 13. A second connecting cap 5 and a first connecting cap 9 are respectively inserted into the two ends of the insulating rod 1. A first slot 11 is opened on the inner wall of the first connecting cap 9. A set of first fixing holes 10 are opened on the inner wall of the first slot 11. The first fixing holes 10 penetrate through one side of the outer wall of the first connecting cap 9. The round holes 14 are inserted into the inner wall of the first slot 11. The first fixing holes 10 are fixed to the inner wall of the round holes 14 by bolts.

[0027] The second connecting cap 5 has a second slot 17 in the inner wall, and a group of second fixing holes 6 are formed in the inner wall of the second slot 17 and penetrate through one side of the outer wall of the second connecting cap 5; the plug 13 at the other end of the insulating rod 1 is inserted into the inner wall of the second slot 17, and the second fixing holes 6 are fixed to the inner wall of the circular hole 14 by bolts;

[0028] The second connecting cap 5 and the first connecting cap 9 are respectively provided with a glue layer 12 in the inner wall;

[0029] The second connecting cap 5 and the first connecting cap 9 are respectively fixed with a gasket 16 on the opposite inner wall;

[0030] The outer wall of the insulating rod 1 is respectively fixed with a plurality of first umbrella skirts 2 and second umbrella skirts 3; the diameter of the first umbrella skirt 2 is 200 mm, and the diameter of the second umbrella skirt 3 is 230 mm;

[0031] After the two ends of the insulating rod 1 are respectively inserted into the inner walls of the second connecting cap 5 and the first connecting cap 9, the two ends of the insulating rod 1 can be fixed and bonded to the inner walls of the second connecting cap 5 and the first connecting cap 9 through the glue layer 12 in the inner walls of the second connecting cap 5 and the first connecting cap 9; at this time, the plug 13 at the two ends of the insulating rod 1 is inserted into the second slot 17 and the first slot 11 in the inner walls of the second connecting cap 5 and the first connecting cap 9; then the staff can use the bolts to fix the plug 13 at the two ends of the insulating rod 1 in the inner walls of the second slot 17 and the first slot 11 through the first fixing hole 10, the second fixing hole 6 and the circular hole 14, so as to fix the connecting parts at the two ends of the insulating rod 1 in cooperation with the glue layer 12 in the inner walls of the second connecting cap 5 and the first connecting cap 9; the second connecting cap 5 and the first connecting cap 9 connected at the two ends of the insulating rod 1 are fixed by the two ways of bolt and bonding, which effectively improves the stability of the connection between the two ends of the insulating rod 1 and the second connecting cap 5 and the first connecting cap 9, and improves the safety of the porcelain insulator in use.

[0032] By arranging a plurality of first umbrella skirts 2 and second umbrella skirts 3 with different diameters on the outer wall of the insulating rod 1, the electrical clearance of the outer wall of the rod-type porcelain insulator is improved, the anti-fouling performance of the rod-type porcelain insulator in use is improved, and the probability of pollution flashover of the high-speed rail overhead contact system is reduced.

[0033] The first connecting ring 15 is fixed on the outer wall of the first connecting cap 9, the second connecting ring 18 is fixed on the outer wall of the second connecting cap 5, the second fixing ring 4 is fixed on the outer wall of the second connecting ring 18 by bolts, and the first connecting ring 15 is fixed on the outer wall of the first fixing ring 8 by bolts;

[0034] The first fixed ring 8 and the second fixed ring 4 are respectively fixed with the reinforcing blocks 7 which are fixed on the outer wall of the insulating rod 1.

[0035] Working principle: after the two ends of the insulating rod 1 are respectively inserted into the inner walls of the second connecting cap 5 and the first connecting cap 9, the two ends of the insulating rod 1 can be adhered and fixed on the inner walls of the second connecting cap 5 and the first connecting cap 9 through the adhesive layer 12 in the inner walls of the second connecting cap 5 and the first connecting cap 9, at this time, the plug blocks 13 at the two ends of the insulating rod 1 are inserted into the second insertion slot 17 and the first insertion slot 11 in the inner walls of the second connecting cap 5 and the first connecting cap 9, then the plug blocks 13 at the two ends of the insulating rod 1 can be fixed in the inner walls of the second insertion slot 17 and the first insertion slot 11 by using the bolts through the first fixed hole 10, the second fixed hole 6 and the circular hole 14, so as to fix the connecting parts at the two ends of the insulating rod 1 in cooperation with the adhesive layer 12 in the inner walls of the second connecting cap 5 and the first connecting cap 9.

[0036] After the second connecting cap 5 and the first connecting cap 9 are respectively fixed at the two ends of the insulating rod 1, the first connecting ring 15 and the second connecting ring 18 on the outer walls of the second connecting cap 5 and the first connecting cap 9 can be respectively fixed on the second fixed ring 4 on the outer walls of the insulating rod 1 through the bolts.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the inventive concept of the present application can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A 16kN-25kN rod type porcelain insulator, characterized in that, The utility model provides an insulating rod (1), the insulating rod (1) is fixed with the plug -in block (13) respectively on both ends, the plug -in block (13) outer wall opens a group of round holes (14), and the insulating rod (1) both ends are inserted with second connecting cap (5) and first connecting cap (9) respectively, and the first connecting cap (9) inner wall opens the first insertion slot (11), and the first insertion slot (11) inner wall opens a group of first fixed hole (10), and the first fixed hole (10) penetrates the first connecting cap (9) one side outer wall, and the round hole (14) is inserted on the inner wall of first insertion slot (11), and the first fixed hole (10) is fixed on the inner wall of round hole (14) through bolt.

2. A 16 kN - 25 kN rod type porcelain insulator according to claim 1, characterized in that, The second connecting cap (5) inner wall opens the second insertion slot (17), and the second insertion slot (17) inner wall opens a group of second fixed hole (6), and the second fixed hole (6) penetrates the second connecting cap (5) one side outer wall, and the plug -in block (13) of insulating rod (1) other end is inserted on the inner wall of second insertion slot (17), and the second fixed hole (6) is fixed on the inner wall of round hole (14) through bolt.

3. A 16-25 kN rod type porcelain insulator according to claim 2, characterized in that, The second connecting cap (5) and first connecting cap (9) inner wall are provided with adhesive layer (12) respectively.

4. A 16-25 kN rod type porcelain insulator according to claim 3, characterized in that, The second connecting cap (5) and first connecting cap (9) opposite side inner wall are fixed with gasket (16) respectively.

5. A 16 kN - 25 kN rod type porcelain insulator according to claim 2, characterized in that, The insulating rod (1) outer wall is fixed with a plurality of first umbrella skirt (2) and second umbrella skirt (3) respectively, and the diameter of first umbrella skirt (2) is 200mm, and the diameter of second umbrella skirt (3) is 230mm.

6. A 16kN-25kN rod type porcelain insulator according to claim 4, characterized in that, The first connecting cap (9) outer wall is fixed with first connecting ring (15), and the second connecting cap (5) outer wall is fixed with second connecting ring (18), and the insulating rod (1) outer wall is fixed with second fixed ring (4) and first fixed ring (8), and the second fixed ring (4) is fixed on the outer wall of second connecting ring (18) through bolt, and the first connecting ring (15) is fixed on the outer wall of first fixed ring (8) through bolt.

7. A 16kN-25kN rod type porcelain insulator according to claim 6, characterized in that, The first fixed ring (8) and second fixed ring (4) outer wall are fixed with reinforcing block (7) respectively, and the reinforcing block (7) is fixed on the outer wall of insulating rod (1).

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