A detachable pillar type lightning arrester without electrical exposed points

Abstract

A detachable pillar-type lightning arrester without electrical exposed points belongs to the field of lightning arresters. Specifically, it includes: a body, including a support frame, a protective sleeve connected to the surface of the support frame, a connecting frame connected to the end of the protective sleeve away from the support frame, a conductive column plugged in and connected to the inner side of the protective sleeve, and the two ends of the conductive column are connected to the surfaces of the support frame and the connecting frame by bolts; a connecting mechanism, including a connecting plate, the connecting plate is fixedly connected to the bottom end of the protective sleeve, and a connecting groove is provided at the top of the protective sleeve. The present invention realizes the connection effect between the protective sleeves under the plug-in connection of the connecting plate and the connecting groove, so that the protective sleeves protect the conductive column. Under the plug-in connection of the connecting ring and the plug-in ring, the connection effect between the protective sleeves is realized through the action of the abutment sheet and the supporting groove, and it is convenient to replace and assemble them, and convenient for subsequent maintenance and disassembly.

Description

Technical Field

[0001] The invention relates to the field of lightning arresters, in particular to a detachable pillar-type lightning arrester without electrical exposed points. Background Art

[0002] A lightning arrester is an electrical device used to protect electrical equipment from high transient overvoltage hazards and to limit the follow-through time and often also the follow-through amplitude.

[0003] The detachable pillar type lightning arrester is a type of lightning arrester, which is often used on live equipment and cables to achieve the effect of protecting them.

[0004] However, when the existing detachable pillar-type lightning arrester is used, in order to prevent the electrical points from being exposed, a ceramic sleeve is integrally cast on the lightning arrester to achieve its protective effect. However, in this way, when the internal device is damaged, the external cast ceramic sleeve needs to be broken. After the repair is completed, a secondary casting is performed, which is relatively inconvenient. In addition, during casting, it is easy to cause damage to the internal device or poor contact of the contact part, affecting its use effect. Summary of the invention

[0005] The object of the present invention is to provide a detachable pillar-type lightning arrester without electrical exposed points, so as to solve the problem proposed in the above-mentioned background technology that when the internal components are damaged, the external cast ceramic sleeve needs to be broken, and after the repair is completed, a secondary casting is performed, which is relatively inconvenient, and during casting, it is easy to cause damage to the internal components, or poor contact of the contact parts, thereby affecting its use effect.

[0006] To achieve the above object, the present invention provides the following technical solution: a detachable pillar-type lightning arrester without electrical exposed points, comprising:

[0007] The device body comprises a support frame, a protective sleeve is connected to the surface of the support frame, an end of the protective sleeve away from the support frame is connected to the connecting frame, a conductive column is plugged and connected to the inner side of the protective sleeve, and both ends of the conductive column are connected to the surfaces of the support frame and the connecting frame by bolts;

[0008] The connecting mechanism comprises a connecting plate, the connecting plate is fixedly connected to the bottom end of the protective sleeve, a connecting groove is provided at the top end of the protective sleeve, a screw barrel is fixedly connected to the outer surface of the protective sleeve, a push rod is connected to the inner side of the screw barrel through a thread, an insert ring is fixedly connected to the inner wall of the protective sleeve, a connecting ring is fixedly connected to the bottom end of the protective sleeve, a supporting groove is provided on the surface of the insert ring, a push piece is fixedly connected to the surface of the insert ring, and one end of the push piece is plugged and connected to the inner side of the supporting groove;

[0009] The detachable pillar-type lightning arrester without electrical exposed points realizes the connection effect between the protective sleeves under the plug-in connection between the connecting plate and the connecting groove, so that the protective sleeves protect the conductive column. Under the plug-in connection between the connecting ring and the plug-in ring, the connection effect between the protective sleeves is realized through the action of the abutment plate and the supporting groove, and it is convenient to replace and assemble it, and it is convenient for subsequent maintenance and disassembly and use.

[0010] Preferably, a protective mechanism is provided on the surface of the protective sleeve, and the protective mechanism includes a fixing ring, the fixing ring is fixedly connected to the surface of the connecting frame, the surface of the connecting frame is slidably connected with an adjusting ring, a sealing strip is connected between the adjusting ring and the fixing ring, the surface of the adjusting ring is fixedly connected with an adjusting rod, the surface of the adjusting rod is fixedly connected with a sliding block, the surface of the connecting frame is provided with an adjusting groove, the sliding block and the adjusting groove are slidably connected, the surface of the adjusting rod is connected with a screw ring through a threaded sleeve, the surface of the screw ring is fixedly connected with a resist ring, the resist ring and the connecting frame are abutted and connected, the surfaces of the adjusting ring and the fixing ring are provided with heat dissipation holes, and the inner side of the heat dissipation hole is fixedly connected with a retaining ring.

[0011] Preferably, the fixing ring and the adjusting ring have the same shape and size, the adjusting rod is in an "L" shape, the adjusting rod and the connecting frame are slidably connected, the adjusting groove is in a long groove shape, and a clamping plate is connected to the inner side of the adjusting groove.

[0012] Preferably, the diameter of the slider is larger than the diameter of the adjusting rod, the screw ring and the retaining ring form a "T" shape, and the retaining ring is made of rubber.

[0013] Preferably, the cross section of the heat dissipation hole is in a "Z" shape, the surface of the retaining ring is inclined, and the retaining ring acts on the end of the heat dissipation hole close to the outside.

[0014] Preferably, the connecting plate is connected to the bottom end of the protective sleeve in a plate shape, a circular groove is opened through the surface of the connecting plate, and the push rod passes through the screw barrel and the circular groove on the connecting plate for plug-in connection, and the size of the connecting groove is larger than the size of the connecting plate.

[0015] Preferably, the cross-section of the insert ring is in a right-angled trapezoidal shape, the connecting ring is in a circular ring shape, the connecting ring is plugged and connected to the surface of the insert ring, and the surface of the abutment sheet is in an arc shape and abuts and connects with the connecting ring.

[0016] Preferably, a guide mechanism is provided on the inner side of the protective sleeve, and the guide mechanism includes a limit plate, the limit plate is fixedly connected to the inner wall of the protective sleeve, the surface of the limit plate is movably connected with a ball, the outer surface of the ball is provided with a rotating rod, and the outer surface of the rotating rod is sleeved with a limit block, the surface of the limit block is fixedly connected with a support spring, the surface of the limit plate is fixedly connected with a fixing plate, and the surface of the fixing plate is fixedly connected with a resistance spring.

[0017] Preferably, the limit plate is in the form of an arc plate and is evenly distributed on the inner side of the protective sleeve. The abutting ball and the limit plate are correspondingly connected. A groove is provided on the surface of the limit plate, and sliding grooves are provided on both sides of the groove, and the limit block acts on the inner side of the sliding groove.

[0018] Preferably, the fixing plate is in a plate shape and acts on the surface of the limiting plate, one end of the resistance spring away from the fixing plate is fixedly connected with the resistance plate, and the resistance plate is pressed against the inner wall of the protective sleeve through the fixing plate and the resistance spring.

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

[0020] 1. During the use of the detachable pillar-type lightning arrester without electrical exposed points, the protective sleeves are connected to the connecting plate through the plug-in connection between the connecting plate and the connecting groove, so that the protective sleeves can protect the conductive column. Under the plug-in connection between the connecting ring and the plug-in ring, the protective sleeves can be connected through the action of the abutment sheet and the supporting groove, and the replacement and assembly of the protective sleeves are convenient, which is convenient for subsequent maintenance and disassembly.

[0021] 2. The detachable pillar-type lightning arrester without electrical exposed points can realize rapid maintenance and disassembly. Through the connection between the fixed ring and the connecting frame, the sliding connection between the adjusting ring and the connecting frame, under the action of the adjusting rod and the slider, the sliding limitation of the adjusting rod in the adjusting groove is realized. Through the connection between the abutment ring and the screw ring, the limiting support effect of the action position of the adjusting ring on the connecting frame is achieved. Under the action of the heat dissipation hole and the retaining ring, the heat generated by the conductive column can be discharged in time. Through the action of the retaining ring, the dust-proof effect can be achieved. Under the connection between the limit plate and the protective cover, the rotational connection between the abutment ball and the limit plate can realize the abutment and limitation effect of the socket position of the conductive column in the protective cover. Under the connection between the limit block and the support spring, the connection between the fixed plate and the retaining spring can realize the close abutment between the abutment ball and the conductive column, thereby improving its support and limiting range and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front perspective schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a partial three-dimensional exploded schematic diagram of the structure of the present invention;

[0024] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 4 It is a partial three-dimensional schematic diagram of the structure of the adjustment ring of the present invention;

[0026] Figure 5It is a schematic diagram of the structure of the protective cover of the present invention;

[0027] Figure 6 For the present invention Figure 5 A three-dimensional schematic diagram of the structure of the middle protective sleeve;

[0028] Figure 7 For the present invention Figure 6 A partial three-dimensional schematic diagram of the structure of the middle insert ring;

[0029] Figure 8 For the present invention Figure 6 A schematic three-dimensional cross-sectional view of the structure of the middle protective sleeve;

[0030] Fig. 9 For the present invention Figure 8 Schematic diagram of a partial three-dimensional cross-sectional view of the structure of the middle limit plate.

[0031] In the figure: 1 is a support frame; 11 is a protective cover; 12 is a connecting frame; 13 is a conductive column; 2 is a fixing ring; 21 is an adjusting ring; 22 is an adjusting rod; 23 is an adjusting groove; 24 is a screw ring; 25 is a resisting ring; 26 is a slider; 27 is a heat dissipation hole; 28 is a retaining ring; 3 is a connecting plate; 31 is a connecting groove; 32 is a screw barrel; 33 is a resisting rod; 34 is an insert ring; 35 is a connecting ring; 36 is a supporting groove; 37 is a resisting sheet; 4 is a limiting plate; 41 is a resisting ball; 42 is a limiting block; 43 is a supporting spring; 44 is a fixing plate; 45 is a resisting spring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figures 1 to 9 The present invention provides a detachable pillar-type lightning arrester without electrical exposed points, comprising:

[0034] The device body includes a support frame 1, a protective sleeve 11 is connected to the surface of the support frame 1, an end of the protective sleeve 11 away from the support frame 1 is connected to a connecting frame 12, a conductive column 13 is plugged and connected to the inner side of the protective sleeve 11, and both ends of the conductive column 13 are connected to the surfaces of the support frame 1 and the connecting frame 12 by bolts. Under the connection between the support frame 1 and the protective sleeve 11, the protective sleeve 11 and the conductive column 13 are sleeved to achieve a protective effect on the protective sleeve 11;

[0035] The connecting mechanism includes a connecting plate 3, which is fixedly connected to the bottom end of the protective sleeve 11. A connecting groove 31 is provided at the top of the protective sleeve 11. A screw barrel 32 is fixedly connected to the outer surface of the protective sleeve 11. A push rod 33 is connected to the inner side of the screw barrel 32 through a thread. A plug ring 34 is fixedly connected to the inner wall of the protective sleeve 11. A connecting ring 35 is fixedly connected to the bottom end of the protective sleeve 11. A supporting groove 36 is provided on the surface of the plug ring 34. A push piece 37 is fixedly connected to the surface of the plug ring 34. One end of the push piece 37 is plugged and connected to the inner side of the supporting groove 36. Through the connection between the protective sleeve 11 and the connecting plate 3, the connection and fixing effect between the protective sleeves 11 is achieved under the plug-in connection between the connecting plate 3 and the connecting groove 31. Through the plug-in connection between the connecting ring 35 and the plug ring 34, under the action of the supporting groove 36 and the push piece 37, a tight fit effect between the protective sleeves 11 is achieved.

[0036] Further, the surface of the protective sleeve 11 is provided with a protective mechanism, which includes a fixed ring 2, the fixed ring 2 is fixedly connected to the surface of the connecting frame 12, the surface of the connecting frame 12 is slidably connected with an adjusting ring 21, a sealing strip is connected between the adjusting ring 21 and the fixed ring 2, the surface of the adjusting ring 21 is fixedly connected with an adjusting rod 22, the surface of the adjusting rod 22 is fixedly connected with a slider 26, the surface of the connecting frame 12 is provided with an adjusting groove 23, the slider 26 is slidably connected to the adjusting groove 23, and the surface of the adjusting rod 22 is connected with a screw ring 2 through a threaded sleeve 4. A butt ring 25 is fixedly connected to the surface of the screw ring 24, and the butt ring 25 is butted against the connecting frame 12. Heat dissipation holes 27 are opened on the surfaces of the adjusting ring 21 and the fixing ring 2. A retaining ring 28 is fixedly connected to the inner side of the heat dissipation hole 27. Through the connection between the fixing ring 2 and the adjusting ring 21, the sealing between the adjusting ring 21 and the fixing ring 2 is in contact, so as to achieve the protection effect of the protective sleeve 11. Through the connection between the adjusting rod 22 and the slider 26, and the sliding connection between the slider 26 and the adjusting groove 23, the regulating effect of the action position of the adjusting ring 21 on the connecting frame 12 is achieved.

[0037] Furthermore, the shapes and sizes of the fixing ring 2 and the adjusting ring 21 are consistent, the adjusting rod 22 is in an "L" shape, the adjusting rod 22 and the connecting frame 12 are slidingly connected, the adjusting groove 23 is in the shape of a long groove, and a clamping plate is connected to the inner side of the adjusting groove 23. Through the connection between the adjusting ring 21 and the adjusting rod 22, under the action of the adjusting groove 23, the effect of regulating the position of the adjusting ring 21 on the connecting frame 12 is achieved.

[0038] Furthermore, the diameter of the slider 26 is larger than the diameter of the adjusting rod 22, the screw ring 24 and the retaining ring 25 form a "T" shape, the retaining ring 25 is made of rubber, and through the connection between the slider 26 and the adjusting rod 22, and the sliding connection between the slider 26 and the adjusting groove 23, the effect of limiting the position and angle of the adjusting rod 22 on the connecting frame 12 is achieved, and through the connection between the screw ring 24 and the retaining ring 25, and the abutting connection between the retaining ring 25 and the connecting frame 12, the effect of supporting the position of the adjusting rod 22 on the connecting frame 12 is achieved.

[0039] Furthermore, the cross-section of the heat dissipation hole 27 is in a "Z" shape, and the surface of the retaining ring 28 is inclined. The retaining ring 28 acts on the end of the heat dissipation hole 27 close to the outside world. Through the connection between the heat dissipation hole 27 and the adjustment ring 21, and the connection between the heat dissipation hole 27 and the fixed ring 2, the heat dissipation protection effect of the fixed ring 2 and the adjustment ring 21 on the protective cover 11 is achieved. Through the action of the retaining ring 28, dust is effectively prevented from entering the protective space formed by the fixed ring 2 and the adjustment ring 21.

[0040] Furthermore, the connecting plate 3 is connected to the bottom end of the protective sleeve 11 in a plate shape, and a circular groove is penetrated on the surface of the connecting plate 3, and the push rod 33 penetrates the screw barrel 32 and the circular groove on the connecting plate 3 for plug-in connection. The size of the connecting groove 31 is larger than the size of the connecting plate 3. Through the connection between the connecting plate 3 and the protective sleeve 11, the connection between the connecting groove 31 and the protective sleeve 11, under the plug-in connection between the connecting plate 3 and the connecting groove 31, the abutment effect of the protective sleeve 11 is achieved, and under the connection between the screw barrel 32 and the push rod 33, the effect of limiting the position of the connecting plate 3 in the connecting groove 31 is achieved. Through the connection between the plug ring 34 and the connecting ring 35, the plug-in fixing effect between the protective sleeves 11 is achieved. Combined with the appendix of the instruction manual Figure 6 It can be seen that the connecting ring 35 and the plug-in ring 34 are abutted and connected, and under the plug-in connection between the connecting plate 3 and the connecting groove 31, the connection support between the protective sleeve 11 is realized through the through connection of the abutment rod 33 and the connecting plate 3, thereby achieving the external protection effect of the conductive column 13.

[0041] Furthermore, the cross-section of the plug ring 34 is a right-angled trapezoid, and the connecting ring 35 is in a circular ring shape. The connecting ring 35 is plugged and connected to the surface of the plug ring 34. The surface of the retaining piece 37 is in a circular arc shape and is abutted and connected to the connecting ring 35. Through the connection between the plug ring 34 and the support groove 36, under the action of the support groove 36 and the retaining piece 37, the abutting support effect of the connecting ring 35 in the plug ring 34 is achieved. Under the connection between the plug ring 34 and the retaining piece 37, under the influence of the plug ring 34, when the connecting ring 35 and the plug ring 34 are abutted and connected, the retaining piece 37 and the connecting ring 35 are tightly abutted, completing the abutting support of the connecting ring 35 in the plug ring 34, thereby improving the connection stability effect between the protective sleeves 11, and the function of the retaining piece 37 has a guiding effect, which is convenient for defining the installation position between the protective sleeves 11, and facilitating the quick connection and installation operation of the protective sleeves 11.

[0042] Furthermore, a guiding mechanism is provided on the inner side of the protective sleeve 11, and the guiding mechanism includes a limit plate 4, which is fixedly connected to the inner wall of the protective sleeve 11, and the surface of the limit plate 4 is movably connected with a ball 41, and the outer surface of the ball 41 is provided with a rotating rod, and the outer surface of the rotating rod is sleeved with a limit block 42, and the surface of the limit block 42 is fixedly connected with a supporting spring 43, and the surface of the limit plate 4 is fixedly connected with a fixing plate 44, and the surface of the fixing plate 44 is fixedly connected with a resisting spring 45. Through the connection between the limit plate 4 and the protective sleeve 11, under the rotational connection between the ball 41 and the limit plate 4, the effect of limiting the support of the position of the conductive column 13 in the protective sleeve 11 is achieved.

[0043] Furthermore, the limit plate 4 is evenly distributed on the inner side of the protective sleeve 11 in the shape of an arc plate, the ball 41 and the limit plate 4 are correspondingly connected, a groove is provided on the surface of the limit plate 4, and sliding grooves are provided on both sides of the groove, and the limit block 42 acts on the inner side of the sliding groove. Through the connection between the limit block 42 and the support spring 43, under the action of the sliding groove in the groove on the surface of the limit plate 4, the elastic control effect of the position of the ball 41 in the limit plate 4 is achieved.

[0044] Furthermore, the fixed plate 44 is in a plate shape and acts on the surface of the limit plate 4, and the end of the resistance spring 45 away from the fixed plate 44 is fixedly connected to the resistance plate, and the resistance plate is pressed against the inner wall of the protective sleeve 11 through the fixed plate 44 and the resistance spring 45. Through the connection between the fixed plate 44 and the limit plate 4, and the connection between the resistance spring 45 and the fixed plate 44, elastic support is achieved for the action angle of the limit plate 4 in the protective sleeve 11, thereby achieving the effect of regulating the action position of the resistance ball 41 in the protective sleeve 11.

[0045] Working principle: When the protective sleeve 11 is used, the operator sequentially sleeves the protective sleeve 11 on the outer surface of the conductive column 13. When sleeved, the connecting plate 3 is inserted into the connecting groove 31, and then the abutment rod 33 is rotated to limit the position of the connecting plate 3 in the connecting groove 31. Through the plug-in connection of the connecting ring 35 and the plug ring 34, and the connection of the abutment sheet 37 and the support groove 36, the abutment support effect of the connecting ring 35 in the plug ring 34 is achieved. Under the action of 11, the protective effect of 13 is achieved to avoid the exposure of the electrical exposed points on 13, resulting in its surface Oxidation affects the transmission performance of the wire, and further affects the overall conductive transmission effect of the lightning arrester. Under the connection between the protective sleeve 11 and the conductive column 13, through the connection between the limit plate 4 and the protective sleeve 11, and the connection between the ball 41 and the limit plate 4, under the action of the limit block 42 and the support spring 43, the elastic regulation effect of the position of the ball 41 on the limit plate 4 is achieved. Through the connection between the fixed plate 44 and the support spring 45, the elastic support effect of the action angle of the limit plate 4 on the protective sleeve 11 is achieved, thereby achieving the effect of tight contact between the ball 41 and the conductive column 13.

[0046] Under the connection of the fixed ring 2 and the adjusting ring 21, the protective effect of the protective cover 11 and the conductive column 13 is achieved through the action of the fixed ring 2 and the adjusting ring 21. Under the connection of the adjusting ring 21 and the adjusting rod 22, the connection of the adjusting rod 22 and the slider 26, through the action of the screw ring 24 and the retaining ring 25, the regulating and supporting effect of the position of the adjusting ring 21 on the connecting frame 12 is achieved, so as to achieve the protective effect of the protective cover 11. Under the action of the heat dissipation holes 27 and the retaining ring 28, the heat dissipation of the protective cover 11 and the conductive column 13 is achieved. Through the action of the retaining ring 28, dust is effectively prevented from entering the protective space formed by the adjusting ring 21 and the fixed ring 2 from the heat dissipation holes 27, thereby affecting the use of the protective cover 11 and the conductive column 13.

[0047] The detachable pillar-type lightning arrester without electrical exposed points realizes the connection effect between the protective sleeves under the plug-in connection between the connecting plate and the connecting groove, so that the protective sleeves protect the conductive column. Under the plug-in connection between the connecting ring and the plug-in ring, the connection effect between the protective sleeves is realized through the action of the abutment plate and the supporting groove, and it is convenient to replace and assemble it, and it is convenient for subsequent maintenance and disassembly and use.

[0048] The invention can be widely used in the field of design and manufacture of lightning arresters.

Claims

1. A detachable pillar-type lightning arrester without electrical exposed points, characterized in that: include: The device body comprises a support frame (1); The upper surface of the support frame (1) is provided with a plurality of protective sleeves (11), forming a group of protective sleeves arranged vertically and coaxially; A connecting frame (12) is provided at one end of the protective sleeve group away from the supporting frame (1), and two ends of the protective sleeve group are respectively connected to the supporting frame (1) and the connecting frame (12); Conductive columns (13) are plugged and connected to the inner sides of the plurality of protective sleeves (11), and two ends of the conductive columns (13) are connected to the surfaces of the support frame (1) and the connecting frame (12) by bolts; A connecting mechanism, comprising a connecting plate (3); At least one connecting plate (3) is provided at the bottom end of each protective sleeve (11); At least one connecting groove (31) is provided at the top end of each protective sleeve (11); The connection groove (31) at the top end of each protective sleeve (11) is arranged to correspond to the position of the connection plate (3) at the bottom end of another protective sleeve (11) located above the protective sleeve (11); A plug-in structure is formed between the connection groove (31) of each protective sleeve (11) and the connection plate (3) at the bottom end of another protective sleeve (11) located above the protective sleeve (11); The outer surface of the protective sleeve (11) is fixedly connected with a screw barrel (32), the inner side of the screw barrel (32) is connected with a push rod (33) through a thread, the inner wall of the protective sleeve (11) is fixedly connected with an insert ring (34), the bottom end of the protective sleeve (11) is fixedly connected with a connecting ring (35), the surface of the insert ring (34) is provided with a supporting groove (36), the surface of the insert ring (34) is fixedly connected with a push piece (37), and one end of the push piece (37) is plugged and connected to the inner side of the supporting groove (36); The detachable pillar-type lightning arrester without electrical exposed points realizes the connection effect between two adjacent protective sleeves through the plug-in connection of the connecting plate and the connecting groove set between each protective sleeve, so that the protective sleeves protect the conductive column; under the plug-in connection of the connecting ring and the plug-in ring set between each protective sleeve, the connection effect between two adjacent protective sleeves is realized through the action of the abutment plate and the supporting groove, and it is convenient to replace and assemble it, and it is convenient for subsequent maintenance and disassembly and use.

2. A detachable pillar-type lightning arrester without electrical exposed points according to claim 1, characterized in that: The surface of the protective sleeve (11) is provided with a protective mechanism, the protective mechanism comprising a fixing ring (2), the fixing ring (2) is fixedly connected to the surface of the connecting frame (12), the surface of the connecting frame (12) is slidably connected with an adjusting ring (21), a sealing strip is connected between the adjusting ring (21) and the fixing ring (2), the surface of the adjusting ring (21) is fixedly connected with an adjusting rod (22), the surface of the adjusting rod (22) is fixedly connected with a sliding block (26), the surface of the connecting frame (12) is provided with an adjusting groove (23), the sliding block (26) and the adjusting groove (23) are slidably connected, the surface of the adjusting rod (22) is connected with a screw ring (24) through a threaded sleeve, the surface of the screw ring (24) is fixedly connected with a resist ring (25), the resist ring (25) and the connecting frame (12) are butt-connected, the surfaces of the adjusting ring (21) and the fixing ring (2) are provided with heat dissipation holes (27), the inner side of the heat dissipation hole (27) is fixedly connected with a retaining ring (28).

3. A detachable pillar-type lightning arrester without electrical exposed points according to claim 2, characterized in that: The fixed ring (2) and the adjusting ring (21) have the same shape and size, the adjusting rod (22) is in an "L" shape, the adjusting rod (22) and the connecting frame (12) are slidably connected, the adjusting groove (23) is in a long groove shape, and a clamping plate is connected to the inner side of the adjusting groove (23).

4. A detachable pillar-type lightning arrester without electrical exposed points according to claim 2, characterized in that: The diameter of the slider (26) is greater than the diameter of the adjusting rod (22); the screw ring (24) and the retaining ring (25) form a "T" shape; and the retaining ring (25) is made of rubber.

5. The detachable pillar-type lightning arrester without electrical exposed points according to claim 2, characterized in that: The cross section of the heat dissipation hole (27) is in a "Z" shape, the surface of the retaining ring (28) is inclined, and the retaining ring (28) acts on the end of the heat dissipation hole (27) close to the outside.

6. The detachable pillar-type lightning arrester without electrical exposed points according to claim 1, characterized in that: The connecting plate (3) is connected to the bottom end of the protective sleeve (11) in a plate shape, and a circular groove is formed on the surface of the connecting plate (3). The stop rod (33) passes through the screw barrel (32) and the circular groove on the connecting plate (3) for plug-in connection, and the size of the connecting groove (31) is larger than the size of the connecting plate (3).

7. The detachable pillar-type lightning arrester without electrical exposed points according to claim 1, characterized in that: The cross section of the insert ring (34) is in a right-angle trapezoidal shape, the connecting ring (35) is in a circular ring shape, the connecting ring (35) is plugged and connected to the surface of the insert ring (34), and the surface of the abutment sheet (37) is in an arc shape and abuts and connects with the connecting ring (35).

8. The detachable pillar-type lightning arrester without electrical exposed points according to claim 1, characterized in that: A guide mechanism is provided on the inner side of the protective sleeve (11), and the guide mechanism comprises a limit plate (4), the limit plate (4) is fixedly connected to the inner wall of the protective sleeve (11), the surface of the limit plate (4) is movably connected to a ball (41), the outer surface of the ball (41) is provided with a rotating rod, and the outer surface of the rotating rod is sleeved with a limit block (42), the surface of the limit block (42) is fixedly connected to a support spring (43), the surface of the limit plate (4) is fixedly connected to a fixing plate (44), and the surface of the fixing plate (44) is fixedly connected to a resistance spring (45).

9. A detachable pillar-type lightning arrester without electrical exposed points according to claim 8, characterized in that: The limit plate (4) is evenly distributed on the inner side of the protective sleeve (11) in the shape of an arc plate, the abutting ball (41) and the limit plate (4) are correspondingly connected, a groove is provided on the surface of the limit plate (4), and sliding grooves are provided on both sides of the groove, and the limit block (42) acts on the inner side of the sliding groove.

10. The detachable pillar-type lightning arrester without electrical exposed points according to claim 8, characterized in that: The fixing plate (44) is in a plate shape and acts on the surface of the limiting plate (4); one end of the resisting spring (45) away from the fixing plate (44) is fixedly connected to the resisting plate, and the resisting plate is abutted against the inner wall of the protective sleeve (11) through the fixing plate (44) and the resisting spring (45).

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