CN218181969U

CN218181969U - Adjusting resistor for starting crane

Info

Publication number: CN218181969U
Application number: CN202221960955.8U
Authority: CN
Inventors: 韩井良; 韩彭
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-30
Anticipated expiration: 2032-07-27

Abstract

The utility model belongs to the technical field of resistors, in particular to a resistor for starting and adjusting a crane, which comprises a shell, wherein four installation pieces are detachably installed in the shell, and a plurality of resistance card main bodies are jointly detachably installed on the four installation pieces; the installed part is including the installation pole, and the side all has cup jointed two spacing swivel nuts about on the installation pole, and four spacing swivel nuts all with installation pole threaded connection, and the insulator has all been cup jointed to the left and right sides on the installation pole, and two insulators are all through two spacing swivel nuts fixed connection of homonymy on the installation pole, and the middle part of installation pole is provided with locating component. The utility model discloses an installation insulator can all be dismantled to the left and right sides on the installation pole, and insulating effect of step originally sets up dustproof pad respectively through the left and right sides at the mounting hole, plays the secondary insulation effect, improves insulating effect, and the elastic action through fastening spring to spacing fender ring application of force, avoids taking place the short circuit scaling loss between the resistance card main part, and the security is strong.

Description

Adjusting resistor for starting crane

Technical Field

The utility model relates to a resistor technical field, in particular to be used for hoist to start adjustment resistor.

Background

The resistor is formed by connecting a plurality of resistor discs in series, at present, the resistor discs adopt a row of central isolation porcelain piece isolation modes, namely, a first resistor disc and a second resistor disc are isolated by adopting a central isolation porcelain piece from top to bottom, a third resistor disc and a fourth resistor disc are isolated by adopting a central isolation porcelain piece, and the like, so that a row of central isolation porcelain piece isolation modes is formed. When the resistor is installed on a crane, in the using process, the central isolation porcelain piece is easy to loosen, the insulation effect between two resistance sheets is influenced, the insulation effect is not ideal, and because part of adjacent resistance sheets are not isolated, short circuit can be caused between the part of resistance sheets which are not isolated, and the safety performance is low. Therefore, we propose a crane start-up trimming resistor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a be used for hoist to start adjusting resistor, can effectively solve the problem among the background art.

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

the adjusting resistor for starting the crane comprises a shell, wherein four mounting pieces are detachably mounted in the shell, two of the four mounting pieces are arranged in a front-back mode, and a plurality of resistor disc main bodies are detachably mounted on the four mounting pieces together;

the installed part is including the installation pole, the side all has cup jointed two spacing swivel nuts No. one about on the installation pole, and four spacing swivel nuts all with installation pole threaded connection, the insulator has all been cup jointed, two to the left and right sides on the installation pole the insulator all is through two spacing swivel nuts fixed connection No. one of homonymy on the installation pole, the middle part of installation pole is provided with locating component.

Preferably, the left side and the right side of the outer surface of the mounting rod are both provided with connecting threads, and the connecting threads on the left side and the right side are of a reverse structure.

Preferably, locating component includes cassette and No. two spacing swivel nuts, the cassette is provided with a plurality ofly, and is a plurality of the cassette all cup joints on the installation pole and end to end in proper order the joint together, no. two spacing swivel nuts are provided with two, two No. two spacing swivel nuts respectively with the connecting thread threaded connection of the left and right sides, one side that the cassette of the left and right sides is close to No. two spacing swivel nuts all is provided with spacing fender ring, and the one end fixedly connected with fastening spring of cassette is kept away from to left spacing fender ring, fastening spring's one end fixed mounting has the packing ring.

Preferably, the four corners of the resistor disc main body are provided with mounting holes, the four mounting holes are respectively located between two adjacent clamping seats, the left side and the right side of the four corners of the resistor disc main body are provided with two dustproof cushions, and the two dustproof cushions are respectively located on the left side and the right side of the mounting holes.

Preferably, the casing includes roof and bottom plate, the equal demountable installation in the left and right sides of the opposition end of roof and bottom plate has the side fagging, two one side that the opposition end was kept away from to the side fagging all is provided with the recess, the opposition end of roof and bottom plate all is provided with the radiating groove of a plurality of upper and lower break-throughs.

Preferably, the mounting rod is detachably mounted with the two side supporting plates through a first limiting threaded sleeve on the left side and a second limiting threaded sleeve on the right side.

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

1. the utility model discloses in, through all can dismantling the installation insulator in the left and right sides on the installation pole, insulating effect of step originally, and set up dustproof pad respectively through the left and right sides at the mounting hole, insulate the isolation to the resistance card main part, play the secondary insulation effect, through setting up multiple insulation, improve insulating effect.

2. The utility model discloses in, the elastic action through fastening spring is to spacing fender ring application of force to improve the fastness of connecting between the cassette, avoid the cassette not hard up, it is fixed firm, thereby avoid taking place the short circuit scaling loss between the resistance card main part, the security is strong.

Drawings

FIG. 1 is a schematic view of the whole structure of the adjusting resistor for starting the crane according to the present invention;

fig. 2 is a schematic structural view of the mounting member for the crane starting adjustment resistor of the present invention;

FIG. 3 is a schematic structural diagram of the positioning assembly for the crane starting adjustment resistor of the present invention;

fig. 4 is the structure schematic diagram of the resistance card main body for the crane starting adjusting resistor.

In the figure: 1. a housing; 2. a mounting member; 3. a resistor disc main body; 4. a top plate; 5. a side supporting plate; 6. a base plate; 7. a heat sink; 8. a groove; 21. mounting a rod; 22. connecting threads; 23. an insulator; 24. a first limit screw sleeve; 25. a positioning assembly; 251. a card holder; 252. a second limit screw sleeve; 253. a limit stop ring; 254. a fastening spring; 255. a gasket; 31. mounting holes; 32. a dust-proof pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the resistor for starting and adjusting the crane comprises a shell 1, wherein four mounting pieces 2 are detachably mounted in the shell 1, two of the four mounting pieces 2 are arranged in a group in a front-back mode, and a plurality of resistor disc main bodies 3 are detachably mounted on the four mounting pieces 2 together; casing 1 includes roof 4 and bottom plate 6, and roof 4 and the equal demountable installation in the left and right sides of 6 opposition ends of bottom plate have a side fagging 5, and one side that opposition ends were kept away from to two side faggings 5 all is provided with recess 8, and roof 4 and bottom plate 6 opposition ends all are provided with the radiating groove 7 of a plurality of upper and lower break-throughs.

In the embodiment, the mounting part 2 comprises a mounting rod 21, the left side and the right side of the mounting rod 21 are respectively sleeved with two first limiting screw sleeves 24, the four first limiting screw sleeves 24 are respectively in threaded connection with the mounting rod 21, the left side and the right side of the mounting rod 21 are respectively sleeved with an insulator 23, the two insulators 23 are respectively fixedly connected to the mounting rod 21 through the two first limiting screw sleeves 24 on the same side, and the middle part of the mounting rod 21 is provided with a positioning component 25; the left side and the right side of the outer surface of the mounting rod 21 are both provided with connecting threads 22, and the connecting threads 22 on the left side and the right side are of reverse structures; the mounting rod 21 is detachably mounted with the two side supporting plates 5 through a first limiting screw sleeve 24 on the left side and a second limiting screw sleeve 24 on the right side; by detachably mounting the insulator 23 on the mounting rod 21 on both left and right sides, the insulating effect is initially obtained.

In this embodiment, the positioning assembly 25 includes a plurality of clamping seats 251 and a second limiting screw sleeve 252, the clamping seats 251 are provided with a plurality of clamping seats 251, the clamping seats 251 are all sleeved on the mounting rod 21 and are sequentially clamped together end to end, two second limiting screw sleeves 252 are provided, the two second limiting screw sleeves 252 are respectively in threaded connection with the connecting threads 22 on the left side and the right side, one sides of the clamping seats 251 on the left side and the right side, which are close to the second limiting screw sleeves 252, are provided with limiting stop rings 253, one end of the limiting stop ring 253 on the left side, which is far away from the clamping seats 251, is fixedly connected with a fastening spring 254, and one end of the fastening spring 254 is fixedly provided with a gasket 255; the elastic action through fastening spring 254 is to spacing retaining ring 253 application of force to improve the fastness of connecting between the cassette 251, avoid the cassette 251 not hard up, it is fixed firm, thereby avoid taking place the short circuit scaling loss between the resistance card main part 3, the security is strong.

In this embodiment, four corners of the resistor disc main body 3 are provided with mounting holes 31, the four mounting holes 31 are respectively located between two adjacent card seats 251, two gaskets 32 are respectively disposed on the left and right sides of the four corners of the resistor disc main body 3, and the two dustproof gaskets 32 are respectively located on the left and right sides of the mounting holes 31; the dust-proof pads 32 are provided on the left and right sides of the mounting hole 31, respectively, to insulate and isolate the resistor disc main body 3, thereby performing a secondary insulation function.

It should be noted that, the utility model discloses a be used for hoist to start adjusting resistor, in concrete use, earlier through the bolt with the left and right sides of 5 demountable installation of side backup pad at

roof

4 and 6 opposition ends of bottom plate, then will install pole 21 demountable installation between two side backup pads 5 through a spacing swivel nut 24 of the left and right sides, all demountable installation insulator 23 through the left and right sides on installation pole 21, insulating effect of step one at first, then through setting up dustproof pad 32 respectively in the left and right sides of mounting hole 31, insulate isolation to resistance card main part 3, play the secondary insulation effect, it is insulating effectual, and through setting up fastening spring 254 and packing ring 255 in one side of insulator 23, elastic action through fastening spring 254 is to spacing fender ring 253 application of force, thereby improve the fastness of connecting between cassette 251, avoid cassette 251 not hard up, it is fixed firm, thereby avoid taking place the short circuit scaling between the resistance card main part 3, the security is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Adjusting resistor for crane starting, comprising a housing (1), characterized in that: four mounting pieces (2) are detachably mounted in the shell (1), two of the four mounting pieces (2) are arranged in a group in a front-back mode, and a plurality of resistance card main bodies (3) are detachably mounted on the four mounting pieces (2) together;

installation part (2) are including installation pole (21), two spacing swivel nuts (24) have all been cup jointed to the side about installation pole (21) is gone up, and four spacing swivel nuts (24) all with installation pole (21) threaded connection, insulator (23) have all been cup jointed, two to the side about installation pole (21) insulator (23) all are through two spacing swivel nuts (24) fixed connection of homonymy on installation pole (21), the middle part of installation pole (21) is provided with locating component (25).

2. The resistor for crane startup adjustment according to claim 1, characterized in that: the left side and the right side of the outer surface of the mounting rod (21) are provided with connecting threads (22), and the connecting threads (22) on the left side and the right side are of a reverse structure.

3. The resistor for crane startup adjustment according to claim 2, characterized in that: the positioning assembly (25) comprises a plurality of clamping seats (251) and two limiting threaded sleeves (252), the clamping seats (251) are arranged, the clamping seats (251) are all sleeved on the installation rod (21) and are sequentially clamped end to end, the two limiting threaded sleeves (252) are arranged, the two limiting threaded sleeves (252) are respectively in threaded connection with the connecting threads (22) on the left side and the right side, limiting stop rings (253) are arranged on one sides, close to the two limiting threaded sleeves (252), of the clamping seats (251) on the left side and the right side, one ends, far away from the clamping seats (251), of the limiting stop rings (253) on the left side are fixedly connected with fastening springs (254), and gaskets (255) are fixedly arranged on one ends of the fastening springs (254).

4. The resistor as claimed in claim 2, wherein: the four corners of the resistor disc main body (3) are provided with mounting holes (31), the four mounting holes (31) are respectively located between two adjacent clamping seats (251), the left side and the right side of the four corners of the resistor disc main body (3) are provided with two dustproof pads (32), and the two dustproof pads (32) are respectively located on the left side and the right side of the mounting holes (31).

5. The resistor as claimed in claim 1, wherein: casing (1) includes roof (4) and bottom plate (6), all demountable installation has side fagging (5), two in the left and right sides of roof (4) and bottom plate (6) opposition end one side of keeping away from the opposition end in side fagging (5) all is provided with recess (8), the opposition end of roof (4) and bottom plate (6) all is provided with radiating groove (7) of a plurality of upper and lower break-over.

6. The resistor as claimed in claim 5, wherein: the mounting rod (21) is detachably mounted with the two side supporting plates (5) through a first limiting screw sleeve (24) on the left side and a second limiting screw sleeve on the right side.