CN218497063U

CN218497063U - Lightning arrester direct current reference voltage testing arrangement

Info

Publication number: CN218497063U
Application number: CN202222711422.2U
Authority: CN
Inventors: 李浩兴; 李华; 李炬基
Original assignee: Guangzhou Zhan'an Electric Power Technology Co ltd
Current assignee: Guangzhou Zhan'an Electric Power Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-17
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to an arrester testing arrangement technical field just discloses an arrester direct current reference voltage testing arrangement, including protection box, detecting instrument body suit is in the inboard of protection box, and the casing of detecting instrument body one side is provided with first groove and the plug of stepping down, the inside joint of plug has connecting wire, the inboard of first groove top of stepping down and the inboard of bottom are overlapped respectively and are equipped with bracing piece group and lead screw roof pressure adjusting part, and the reciprocal regulation of bracing piece group can be completely the suit in the inboard of first groove of stepping down. The bracing piece group, the second groove of stepping down, rubber external member, the cooperation of lead screw roof pressure adjusting part equipment back of setting form the regulation nature and assist and prop the mechanism, follow-up behind plug, connecting wire's connection, can provide the auxiliary stay of hoist and mount formula for connecting wire, reduce the not hard up probability after plug and connecting wire are connected.

Description

Lightning arrester direct current reference voltage testing arrangement

Technical Field

The utility model relates to an arrester testing arrangement technical field specifically is an arrester direct current reference voltage testing arrangement.

Background

The lightning arrester mainly refers to an electric appliance which is used for protecting electrical equipment from being damaged by high transient overvoltage and limiting follow current time and normally limiting follow current amplitude, and the existing lightning arrester usually adopts a targeted direct current reference voltage testing device for performance detection in order to ensure the performance as stability in the using process, for example, a lightning arrester tester adopts advanced technologies such as microcomputer sampling and control, and the like, can measure the full current, third harmonic, resistive current peak value, capacitive current, active power and the like of the zinc oxide lightning arrester under power frequency voltage, and greatly reduces the burden of workers.

However, the hard structure of the existing lightning arrester tester has a problem that the joint connection is easy to loosen, and the reason is that the joint of the detection wire and the joint inside the lightning arrester tester are vertically sleeved at ninety degrees, and the connection is easy to loosen in the connection process due to the gravity pull of the long wire inside the detection wire, and with the continuous development of related technologies and the technical emphasis of researchers in related fields, a scheme for solving the above-mentioned problems in the prior art is developed, for example, the currently disclosed CN202020064245.1 zinc oxide lightning arrester tester proposes that "the mounting plate 8 is fixed at the upper end of the tester main body 2 by screws, the supporting block 9 and the fixing ring 10 are further installed behind the wire 7, and the lower end of the wire 7 is wound outside the fixing ring 10 and then connected with the tester main body 2, the lower end of the wire 7 can be fixed, the connection wire 7 is prevented from being separated from the tester main body 2 due to stress, poor contact is prevented, the wire 7 is wound at the upper end of the fixing frame 12 after use, the fixing frame 12 is inserted into the slot 11, the fixing frame 12 is placed in the fixing slot 14, the connection wire 7 can be stored, the connection wire 7 is prevented from being wound mutually, and subsequent use is facilitated, however, the existing lightning arrester tester mainly comprises an instrument body and a protection box body which can be opened and closed in a reciprocating mode, an auxiliary wire supporting structure is additionally arranged on the instrument body through screws, although the pressure reducing effect is achieved, the additionally arranged auxiliary supporting structure belongs to a convex structure, the existing protection box body cannot be stored, and therefore, when the lightning arrester tester is used in practice, necessary installation tools are required to be detached in a reciprocating mode and the auxiliary supporting structure is carried, and the arrester tester is easy to lose while being troublesome in operation, there is a great limitation in practicality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a lightning arrester direct current reference voltage testing arrangement has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides a lightning arrester direct current reference voltage testing arrangement, includes protection box, detecting instrument body suit is in the inboard of protection box, and the casing of detecting instrument body one side is provided with first groove and plug of stepping down, the inside joint of plug has connecting wire, the inboard of first groove top of stepping down and the inboard of bottom are overlapped respectively and are equipped with bracing piece group and lead screw roof pressure adjusting part, and the inboard of the first groove of stepping down of suit can be completely the suit to bracing piece group reciprocating motion, the inside reciprocating motion structure of lead screw roof pressure adjusting part and the structure contact linkage of bracing piece group bottom, the second groove of stepping down that link up is seted up to the inner wall of bracing piece group top structure, and the inboard joint in second groove of stepping down has the rubber external member, the inboard of rubber external member bottom and the one end suit of connecting wire support the connecting wire.

Carefully, the inside of bracing piece group is provided with main semi-closed loop bar, and the inboard at main semi-closed loop bar both ends all fixed the cup joints first rotation axis, and the equal joint in middle part of two first rotation axes has the bracing piece, two the inboard of bracing piece bottom all fixed cup joints the second rotation axis, and two second rotation axes then respectively the joint in the inboard at first groove both ends of stepping down.

Carefully, main semi-closed loop bar is semi-closed shell structure, and the inboard at main semi-closed loop bar top casing is seted up in the second groove of stepping down, the inboard of main semi-closed loop bar and the end joint of bracing piece, and the inboard of main semi-closed loop bar can be accomodate to the whole suit of bracing piece.

Carefully, the inside of lead screw roof pressure adjusting part is provided with the lead screw, and the surface at lead screw both ends all is connected with the bearing frame through the bearing, and the bottom of bearing frame and the inner wall fixed connection of the first tank bottom of stepping down, the surface transmission of lead screw is connected with two swivel nuts, and the equal fixedly connected with kicking block in surface at two swivel nut tops, the surface of two kicking blocks respectively with the surface laminating of two second rotation axis bottoms.

Carefully, the end fixedly connected with of lead screw one end is turned round the piece, and turns round the piece activity and cup joints the inboard in the groove of stepping down and outstanding the top in the groove of stepping down, the friction groove has been seted up on the surface of turning round the piece.

Carefully, the inboard cover at first groove middle part of stepping down is equipped with spacing part, and spacing part's inside is provided with the baffle, and the both ends difference fixedly connected with compression spring of baffle, two the equal fixedly connected with dead lever of one end of compression spring, and the equal joint in inboard at two dead lever tops has T type pole, two the one end of T type pole is connected with the fixed surface of baffle both sides respectively, two the equal fixed connection in bottom of dead lever is on the inner wall of first groove bottom of stepping down.

Carefully, the inside of rubber external member is provided with the rubber pole, and the inboard at the second groove middle part of stepping down of rubber pole joint, and the both ends of rubber pole fixedly connected with rubber ring and block rubber respectively, block rubber and connecting wire's one end elasticity joint.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the bracing piece group, the second groove of stepping down, rubber external member, the cooperation of lead screw roof pressure adjusting part equipment back of setting form the regulation nature and assist and prop the mechanism, follow-up behind plug, connecting wire's connection, can provide the auxiliary stay of hoist and mount formula for connecting wire, reduce the not hard up probability after plug and connecting wire are connected.

2. The utility model discloses a bracing mechanism is assisted to the regulation of bracing piece group, second groove, rubber external member, lead screw roof pressure adjustment part cooperation equipment of stepping down, and its inside bracing piece group is that the roof pressure that accompanies the inside active structure of lead screw roof pressure adjustment part is adjusted and is carried out vertical support and the conversion of two states is accomodate in the rotation, then can be accomodate the protection jointly along with this integument of detecting instrument protection box, optimizes the result of use.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in partial section;

fig. 3 is a left side view of the support rod assembly of the present invention;

fig. 4 is a left side view of the top pressure adjusting component of the screw rod of the present invention;

fig. 5 is a schematic top view of the limiting member of the present invention.

In the figure: 1. a protective box body; 2. detecting the instrument body; 3. a first abdicating groove; 4. a set of support rods; 41. a primary semi-enclosed loop bar; 42. a support bar; 43. a first rotating shaft; 44. a second rotation shaft; 5. a second abdicating groove; 6. a rubber sleeve; 61. a rubber rod; 62. a rubber block; 63. a rubber ring; 7. the screw rod jacking and pressing adjusting part; 71. a screw rod; 72. a threaded sleeve; 73. twisting the block; 8. a plug; 9. connecting a lead; 10. a limiting component; 101. a baffle plate; 102. a T-shaped rod; 103. a compression spring; 104. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 3, fig. 5, a testing apparatus for dc reference voltage of lightning arrester, including a protection box 1, a detecting instrument body 2, the detecting instrument body 2 is sleeved on the inner side of the protection box 1, and a housing on one side of the detecting instrument body 2 is provided with a first abdicating groove 3 and a plug 8, the inner side of the middle part of the first abdicating groove 3 is sleeved with a limiting component 10, and the inside of the limiting component 10 is provided with a baffle 101, both ends of the baffle 101 are fixedly connected with compression springs 103 respectively, one end of each of the two compression springs 103 is fixedly connected with a fixing rod 104, the inner sides of the tops of the two fixing rods 104 are respectively clamped with a T-shaped rod 102, one end of each of the two T-shaped rods 102 is fixedly connected with the surface of both sides of the baffle 101, the bottoms of the two fixing rods 104 are fixedly connected on the inner wall of the bottom of the first abdicating groove 3, and the limiting component 10 provides the supporting and limiting using effect for the subsequent related components.

Referring to fig. 1, 2 and 3, a connecting wire 9 is clamped inside a plug 8, a supporting rod group 4 and a screw rod jacking adjusting part 7 are respectively sleeved on the inner side of the top and the inner side of the bottom of a first abdicating groove 3, the supporting rod group 4 can be completely sleeved on the inner side of the first abdicating groove 3 in a reciprocating manner, a main semi-closed loop bar 41 is arranged inside the supporting rod group 4, first rotating shafts 43 are fixedly sleeved on the inner sides of both ends of the main semi-closed loop bar 41, supporting rods 42 are clamped in the middle parts of the two first rotating shafts 43, second rotating shafts 44 are fixedly sleeved on the inner sides of the bottoms of the two supporting rods 42, the two second rotating shafts 44 are respectively clamped on the inner sides of both ends of the first abdicating groove 3, the main semi-closed loop bar 41 is of a semi-closed shell structure, the second abdicating groove 5 is arranged on the inner side of the shell on the top of the main semi-closed loop bar 41, the inner side of the main semi-closed loop bar 41 is clamped with the end of the supporting rod 42, the supporting rod 42 can be integrally sleeved on the inner side of the main semi-closed loop bar 41, the supporting rod group 4 can serve as a supporting part, and provide a reciprocating adjusting function in addition to provide a reciprocating function.

Referring to fig. 1, 2 and 4, a reciprocating structure inside the screw rod jacking and adjusting component 7 is in contact linkage with a structure at the bottom of the supporting rod group 4, a screw rod 71 is arranged inside the screw rod jacking and adjusting component 7, the surfaces of two ends of the screw rod 71 are connected with bearing seats through bearings, the bottom of each bearing seat is fixedly connected with the inner wall of the bottom of the first abdicating groove 3, two screw sleeves 72 are in transmission connection with the surface of the screw rod 71, jacking blocks are fixedly connected with the surfaces of the tops of the two screw sleeves 72, the surfaces of the two jacking blocks are respectively attached to the surfaces of the bottoms of the two second rotating shafts 44, a torsion block 73 is fixedly connected to an end of one end of the screw rod 71, the torsion block 73 is movably sleeved on the inner side of the first abdicating groove 3 and protrudes out of the top of the first abdicating groove 3, a friction groove is formed in the surface of the torsion block 73, and the jacking and adjusting component 7 serves as a power structure for movably overturning the supporting rod group 4, which can be greatly convenient for adjustment of workers and improve comfort in use.

Referring to fig. 1, 2, 3, and 4, a through second abdicating groove 5 is formed in an inner wall of a top structure of the support rod group 4, a rubber sleeve 6 is clamped inside the second abdicating groove 5, an inner side of a bottom of the rubber sleeve 6 is sleeved with one end of the connecting wire 9 to support the connecting wire 9, a rubber rod 61 is disposed inside the rubber sleeve 6, the rubber rod 61 is clamped inside a middle portion of the second abdicating groove 5, two ends of the rubber rod 61 are respectively and fixedly connected with a rubber ring 63 and a rubber block 62, the rubber block 62 is elastically clamped with one end of the connecting wire 9, the support rod group 4, the second abdicating groove 5, the rubber sleeve 6, and the screw rod jacking adjustment component 7 are assembled in a matching manner to form an adjustable auxiliary support mechanism, and then after the plug 8 and the connecting wire 9 are connected, a hoisting type auxiliary support can be provided for the connecting wire 9, and a loosening probability after the plug 8 and the connecting wire 9 are connected can be reduced.

The working principle is as follows: during the use, twist the inside piece 73 of turning round of lead screw roof pressure adjusting part 7, then it is rotatory to drive lead screw 71 by turning round piece 73, then according to the lead screw driven principle, the lead screw 71 of rotation state will mesh two swivel nuts 72 of transmission, then the kicking block of two swivel nuts 72 surface connections is close gradually and is pushed against two bracing pieces 42 of bracing piece group 4 inside, make two bracing pieces 42 drive main semi-closed loop bar 41 and the rubber external member 6 that main semi-closed loop bar 41 is connected turn over gradually and break away from first groove 3 of stepping down, until two bracing pieces 42 are the vertical form, main semi-closed loop bar 41 is the level form, rubber external member 6 is the vertical form, stop part 10 can shelter from spacing to one of bracing piece 42 of bracing piece group 4 inside this moment, then run through the inside 622 of rubber external member 6 with the plug 8 with connecting wire 9 after, utilize rubber external member 6, bracing piece group 4 to assist the support, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lightning arrester direct current reference voltage testing arrangement, includes protection box (1), detecting instrument body (2) suit is in the inboard of protection box (1), and the casing of detecting instrument body (2) one side is provided with first groove (3) and plug (8) of stepping down, the inside joint of plug (8) has connecting wire (9), its characterized in that: the inboard of first groove of stepping down (3) top and the inboard of bottom are overlapped respectively and are equipped with bracing piece group (4) and lead screw roof pressure regulating part (7), and bracing piece group (4) reciprocating motion can suit completely in the inboard of first groove of stepping down (3), the inside reciprocating motion structure of lead screw roof pressure regulating part (7) and the structure contact linkage of bracing piece group (4) bottom, the second groove of stepping down (5) that link up is seted up to the inner wall of bracing piece group (4) top structure, and the inboard joint in second groove of stepping down (5) has rubber external member (6), the inboard of rubber external member (6) bottom and the one end suit of connecting wire (9) support connecting wire (9).

2. The lightning arrester direct-current reference voltage testing device according to claim 1, characterized in that: the inside of bracing piece group (4) is provided with main semi-closed loop bar (41), and the inboard of main semi-closed loop bar (41) both ends all fixed the cup joints first rotation axis (43), and the equal joint in middle part of two first rotation axes (43) has bracing piece (42), two the inboard of bracing piece (42) bottom all is fixed to be cup jointed second rotation axis (44), and two second rotation axes (44) then respectively the joint in the inboard at first groove (3) both ends of stepping down.

3. The lightning arrester direct current reference voltage testing device according to claim 2, characterized in that: the main semi-closed loop bar (41) is of a semi-closed shell structure, the second abdicating groove (5) is formed in the inner side of the top shell of the main semi-closed loop bar (41), the inner side of the main semi-closed loop bar (41) is connected with the end of the supporting rod (42) in a clamping mode, and the supporting rod (42) can be integrally sleeved with the inner side of the main semi-closed loop bar (41).

4. The lightning arrester direct-current reference voltage testing device according to claim 2, characterized in that: the inside of lead screw roof pressure regulating part (7) is provided with lead screw (71), and the surface at lead screw (71) both ends all is connected with the bearing frame through the bearing, and the bottom of bearing frame and the inner wall fixed connection of first groove (3) bottom of stepping down, the surface transmission of lead screw (71) is connected with two swivel nuts (72), and the equal fixedly connected with kicking block in surface at two swivel nuts (72) tops, the surface of two kicking blocks respectively with the surface laminating of two second rotation axis (44) bottoms.

5. The lightning arrester direct current reference voltage testing device according to claim 4, characterized in that: the end fixedly connected with of lead screw (71) one end turns round piece (73), and turns round piece (73) activity and cup joints the inboard in first groove of stepping down (3) and the top of outstanding first groove of stepping down (3), the friction groove has been seted up on the surface of turning round piece (73).

6. The lightning arrester direct-current reference voltage testing device according to claim 1, characterized in that: the inboard cover at first groove (3) middle part of stepping down is equipped with spacing part (10), and the inside of spacing part (10) is provided with baffle (101), and the both ends of baffle (101) are fixedly connected with compression spring (103) respectively, two the equal fixedly connected with dead lever (104) of one end of compression spring (103), and the inboard equal joint at two dead lever (104) tops has T type pole (102), two the one end of T type pole (102) respectively with the fixed surface of baffle (101) both sides be connected, two the equal fixed connection in bottom of dead lever (104) is on the inner wall of first groove (3) bottom of stepping down.

7. The lightning arrester direct-current reference voltage testing device according to claim 1, characterized in that: the inside of rubber external member (6) is provided with rubber pole (61), and rubber pole (61) joint is in the inboard at second groove (5) middle part of stepping down, and the both ends of rubber pole (61) fixedly connected with rubber ring (63) and block rubber (62) respectively, block rubber (62) and the one end elasticity joint of connecting wire (9).