CN211556676U - Suspension insulator pin pulling device - Google Patents
Suspension insulator pin pulling device Download PDFInfo
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- CN211556676U CN211556676U CN202020072146.8U CN202020072146U CN211556676U CN 211556676 U CN211556676 U CN 211556676U CN 202020072146 U CN202020072146 U CN 202020072146U CN 211556676 U CN211556676 U CN 211556676U
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Abstract
The utility model relates to an electric power overhauls technical field, discloses a suspension insulator pulling pin device, include: the connecting rod, the shell and the two gear rods are respectively arranged on two sides of the connecting rod; the shell comprises a sleeve, an annular abutting part and a flat supporting part; the sleeve is fixedly connected with the supporting part, and the supporting part and the abutting part are fixedly connected at the edge of the abutting part; the connecting rod comprises a connecting part and a hooking part which are fixedly connected, and the connecting part penetrates through the sleeve and can swing along the sleeve as an axial point at one end far away from the sleeve; teeth are arranged on the outer side of the connecting part; the end part of the gear rod is provided with an incomplete gear, the gear rod is hinged on the shell through the incomplete gear and is meshed with teeth of the connecting part, and when the two gear rods move to be parallel to the connecting rod, no teeth on the incomplete gear are meshed with the connecting rod; the utility model discloses retrench the structure, made it can be used for the insulator of more booth apart from, secondly the degree of freedom of connecting rod is higher, under special angle, can be by manual control, be convenient for collude and get the R round pin.
Description
Technical Field
The utility model relates to an electric power overhauls technical field, particularly, relates to a suspension insulator pulling pin device.
Background
Along with the upgrading, upgrading and reconstruction of the overhead transmission line in China, insulators with excellent electrical performance are applied to the transmission line in large quantity, and the fixing pins are changed into R-shaped pins along with the replacement of the insulators; because the power transmission line runs in a natural environment for a long time, the power transmission line is difficult to avoid the influence of external environmental conditions, faults can occur along with the accumulation of time, such as the faults of insulator damage, bolt looseness of a strain clamp, wire damage and the like, the insulator needs to be replaced, the R-shaped locking pin of the insulator does not have a special pulling pin or a feeding tool in the replacement process, the replacement process is difficult, and the overhauling efficiency is influenced; in the maintenance of a power transmission line, the currently used insulator locking pin mainly uses a vice to clamp and knock the R pin out in an R-shaped pin pulling-out and feeding mode, but the vice can only pull out the R-shaped pin of a part of insulators, and the R pin is easier to be bent or broken in the feeding process of the R pin, so that the maintenance progress is influenced to cause economic loss, and the R pin is often pulled out by great force and is difficult to be pulled out by the vice.
If the chinese patent with application number 201811436911.3 discloses a composite insulator R pin handle conveyer, the two stressing handles 11 are moved inwards, the stressing gear 10 drives the worm to move downwards to the lowest position, the pin pulling hook 7 hooks the tail end of the R pin, then the two stressing handles 11 are moved outwards slowly, the stressing gear 10 drives the worm to move upwards, the worm drives the pin pulling hook 7 to move upwards, the pin pulling is completed, the whole structure is simple, but the operation is complex, firstly, the worm can move up and down only under the driving of the stressing handles 11, and in the high-altitude operation, the operation is very inconvenient, the stressing handles need to be operated repeatedly and accurately back and forth every time the pin is pulled, the construction efficiency is greatly influenced, and the worm can only move up and down to be not beneficial to hooking the R pin; secondly, the application is used for pulling out the R pin of the composite insulator and is not suitable for the suspension insulator, and the suspension insulator is not favorable for placing the large-volume fixing sleeve 1 because the interval between the umbrella disc and the metal end is small after the suspension insulator is installed; moreover, the worm screw can only move up and down, and the R pin is difficult to be directly hooked in practical operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension insulator pulling pin device, the further structure of having retrencied makes it can be practical for the insulator of more booth apart from, and secondly the degree of freedom of connecting rod is higher, under special angle, can be convenient for collude by manual control and get the R round pin.
The utility model discloses a realize like this: a suspension insulator pin pulling apparatus, comprising: the connecting rod, the shell and the two gear rods are respectively arranged on two sides of the connecting rod; the shell comprises a sleeve, an annular abutting part and a flat supporting part; the sleeve and the abutting part are coaxially arranged, the sleeve is fixedly connected with the supporting part, and the supporting part and the abutting part are fixedly connected at the edge of the abutting part; the connecting rod comprises a connecting part and a hooking part which are fixedly connected, and the connecting part penetrates through the sleeve and can swing along the sleeve as an axial point at one end far away from the sleeve; the hooking part is arranged through the abutting part; teeth are arranged on the outer side of the connecting part; the gear rod end is provided with an incomplete gear, the gear rod is hinged to the shell through the incomplete gear and is meshed with teeth of the connecting part, and when the two gear rods move to be parallel to the connecting rod, no teeth on the incomplete gear are meshed with the connecting rod.
Further, the connecting part is a round rod or a rectangular rod; the teeth arranged on the connecting part and the connecting part form a straight rack, a worm or a circular rack.
Furthermore, a handle for assisting the connecting part to be pulled out is arranged at one end, far away from the hooking part, of the connecting part.
Further, the hooking part comprises a connector and two connecting pieces, the middle of the connector is fixedly connected with the end of the connecting part, the middle of one connecting piece is hinged to one end of the connector, the middle of the other connecting piece is hinged to the other end of the connector, a compression spring is arranged between the end parts, close to the connecting part, of the two connecting pieces, and under the action of the compression spring, the other end of each connecting piece is abutted to the corresponding end of the corresponding connecting piece, and a concave angle is formed at the abutted part.
Furthermore, the annular abutting part abuts against the surface of the suspension insulator, the abutting part forms an arc shape, and pressure reduction rubber is further arranged between the abutting part and the suspension insulator.
Further, the thickness of the flat supporting part is smaller than the pipe diameter of the sleeve.
Further, if the pipe diameter of the sleeve is a, the rod diameter of the connecting rod is b, the length of the sleeve is c, and the length of the supporting part is d, then a/b is d/c.
The utility model has the advantages that: the utility model provides a suspension insulator pull pin device:
1: the flat supporting part and the circular abutting part can be applied to more working scenes, such as suspension insulators.
2: the connecting rod can swing relative to the sleeve, so that the degree of freedom of the connecting rod is enhanced, and the R pin can be conveniently hooked.
3: adopt incomplete gear wheel pole, make it in the biggest corner, the relative sleeve pipe motion under the direct control that the connecting rod can think has strengthened its use scene, very big increase the efficiency of colluding the R round pin.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic axial view of a suspension insulator pin pulling device provided by the present invention;
fig. 2 is a front view of the suspension insulator pin pulling device provided by the present invention;
fig. 3 is a side view of the suspension insulator pin pulling device provided by the present invention;
fig. 4 is a front cross-sectional view of the suspension insulator pin pulling device provided by the present invention under an operating condition;
fig. 5 is a front cross-sectional view of the suspension insulator pin pulling apparatus according to another embodiment of the present invention;
fig. 6 is a schematic structural view of a hooking portion in the suspension insulator pin pulling device provided by the present invention;
fig. 7 is another schematic structural diagram of the abutting portion in the suspension insulator pin pulling apparatus provided by the present invention;
fig. 8 is an installation schematic view of the suspension insulator pin pulling device provided by the present invention;
in the figure: 100-connecting rod, 110-connecting part, 120-hooking part, 121-connecting head, 122-connecting part, 123-compression spring, 130-handle, 200-shell, 210-sleeve, 220-supporting part, 230-abutting part, 231-decompression rubber, 300-gear rod, 310-incomplete gear and 400-suspension insulator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Example (b):
referring to fig. 1 to 4, a suspension insulator pin pulling device for pulling out an R pin in a suspension insulator 400 includes: connecting rod 100, shell 200 and set up respectively in two gear rods 300 of connecting rod 100 both sides through gear rod 300 drive set up in the connecting rod 100 of shell 200 extract R round pin two gear rods 300 come transmission moment through gear engagement connecting rod 100, through the setting of lever and two gear rods 300, the required power of the R round pin of very big reduction extract.
The housing 200 comprises a sleeve 210, an annular abutting part 230 and a flat supporting part 220, and the size of the whole structure of the flat supporting part 220 and the annular abutting part 230 is further reduced, so that the flat supporting part 220 and the annular abutting part 230 can be better arranged in the suspension insulator 400, as shown in fig. 8; the sleeve 210 and the abutting portion 230 are coaxially arranged, which facilitates the movement of the connecting rod 100, the sleeve 210 and the supporting portion 220 are fixedly connected, the supporting portion 220 and the abutting portion 230 are fixedly connected to the edge of the abutting portion 230, a certain middle cavity is reserved by the annular abutting portion 230, so that the end of the connecting rod 100 can move in the middle cavity of the abutting portion 230, specifically, in this embodiment, the abutting portion 230 is annular, but in other embodiments, on the premise that the size reduction is satisfied, and for better attaching to the surface of the insulator, the abutting portion 230 may be arranged in an arc shape, as shown in fig. 7, or in a semicircular or rectangular frame form, further, in order to reduce the direct acting force between the abutting portion 230 and the suspension insulator 400, a decompression rubber 231 is further arranged between the abutting portion 230 and the suspension insulator 400.
Connecting rod 100 includes mutual fixed connection's connecting portion 110 and the portion 120 of getting hooked, and connecting portion 110 passes sleeve pipe 210 and keeps away from sleeve pipe 210 one end can be followed sleeve pipe 210 and be the pivot point swing, guarantees connecting rod 100's degree of freedom, makes it can be better collude and get the R round pin, and is concrete, in this embodiment: if the pipe diameter of the sleeve 210 is a, the rod diameter of the connecting rod 100 is b, the length of the sleeve 210 is c, and the length of the support portion 220 is d, then a/b is d/c, so as to ensure the movement amount of the connecting rod 100 in the sleeve 210, it should be noted that in other embodiments, the setting may not be as above, and only the requirement that the connecting rod 100 can swing in the sleeve 210 is satisfied; the hooking portion 120 is provided through the abutting portion 230 to hook the R pin, and a general hook may be used, of course, for better working effect, a configuration may be adopted in which, specifically, the elastic member passes through the middle of the annular abutting portion 230, when the connecting rod 100 swings, the swinging angle of the connecting rod 100 can be limited by the annular abutting part 230, so that the device failure caused by the overlarge swinging angle can be avoided, and particularly, as shown in fig. 6, in this embodiment, the hooking portion 120 includes a connection head 121 and two connection members 122, the middle portion of the connection head 121 is fixedly connected to the end portion of the connection portion 110, the middle portion of one connection member 122 is hinged to one end of the connection head 121, the middle portion of the other connection member 122 is hinged to the other end of the connection head 121, a compression spring 123 is disposed between the end portions of the two connection members 122 near the connection portion 110, under the action of the compression spring 123, the other ends of the two connecting pieces 122 are abutted, and the abutted part forms a concave angle; after passing through the R pin, the R pin pushes against the concave angle and is hooked by the two connecting members 122.
The outer side of the connecting part 110 is provided with teeth; specifically, in the present embodiment, the connecting portion 110 is a round rod; set up in the tooth of round bar and connecting portion 110 formation circular rack, circular rack and the meshing of gear lever 300, come driving force through the meshing of tooth to make connecting rod 100 extract the R round pin, it is concrete, in order to make things convenient for operating personnel to operate connecting rod 100, the one end of keeping away from hook on connecting portion 110 and getting portion 120 is equipped with the handle 130 that is used for assisting connecting portion 110 to extract, makes connecting portion 110 swing and reciprocate in sleeve pipe 210 through manual control handle 130 to collude and get the R round pin.
An incomplete gear 310 is arranged at the end of the gear rod 300, the gear rod 300 is hinged on the housing 200 through the incomplete gear 310 and is meshed with the outside teeth of the supporting part 220, when the two gear rods 300 are arranged in parallel with the connecting rod 100, no teeth on the incomplete gear 310 are meshed with the connecting rod 100, that is, when the gear rod 300 moves to the edge of the housing 200 and faces upwards, as shown in fig. 5, at the moment, the teeth of the connecting rod 100 are not meshed with the teeth on the gear rod 300, so that a worker can control the connecting rod 100 through the handle 130 to enable the connecting rod 100 to swing freely to hook the R pin, and after the R pin is hooked, the teeth are re-meshed through the downward swing of the two gear rods 300 to pull out the R pin; the R-pin pullout force received by the operator is reduced by the lever of the gear lever 300 and the force component action of the two gear levers 300.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a suspension insulator pulling pin device which characterized in that includes: the gear transmission mechanism comprises a connecting rod (100), a shell (200) and two gear rods (300) which are respectively arranged at two sides of the connecting rod (100);
the housing (200) comprises a sleeve (210), an annular abutting part (230) and a flat supporting part (220); the sleeve (210) and the abutting part (230) are coaxially arranged, the sleeve (210) is fixedly connected with the supporting part (220), and the supporting part (220) and the abutting part (230) are fixedly connected at the edge of the abutting part (230);
the connecting rod (100) comprises a connecting part (110) and a hooking part (120) which are fixedly connected, wherein the connecting part (110) penetrates through the sleeve (210) and one end, far away from the sleeve (210), of the connecting part can swing along the sleeve (210) as an axial point; the hooking portion (120) is disposed through the abutting portion (230); teeth are arranged on the outer side of the connecting part (110);
the end part of the gear rod (300) is provided with an incomplete gear (310), the gear rod (300) is hinged on the shell (200) through the incomplete gear (310) and meshed with teeth of the connecting part (110), when the two gear rods (300) move to be parallel to the connecting rod (100), no teeth on the incomplete gear (310) are meshed with the connecting rod (100).
2. The suspension insulator pin pulling apparatus according to claim 1, wherein the connecting portion (110) is a round rod or a rectangular rod; the teeth arranged on the connecting part (110) and the connecting part (110) form a straight rack, a worm or a circular rack.
3. The suspension insulator pin pulling apparatus according to claim 2, wherein a handle (130) for assisting the pulling-out of the connecting portion (110) is provided at an end of the connecting portion (110) away from the hooking portion (120).
4. The suspension insulator pin pulling device according to claim 3, wherein the hooking part (120) comprises a connecting head (121) and two connecting pieces (122), the middle part of the connecting head (121) is fixedly connected with the end parts of the connecting parts (110), the middle part of one connecting piece (122) is hinged with one end of the connecting head (121), the middle part of the other connecting piece (122) is hinged with the other end of the connecting head (121), a compression spring (123) is arranged between the end parts of the two connecting pieces (122) close to the connecting parts (110), and under the action of the compression spring (123), the other end parts of the two connecting pieces (122) are abutted and the abutted part forms a concave angle.
5. The suspension insulator pin pulling device according to claim 1, wherein the annular abutting part (230) abuts against the surface of the suspension insulator, the abutting part (230) is arc-shaped, and a decompression rubber (231) is further arranged between the abutting part (230) and the suspension insulator.
6. The suspension insulator pin pulling apparatus according to claim 1, wherein the thickness of the flat support portion (220) is smaller than the pipe diameter of the bushing (210).
7. The suspension insulator pin pulling device according to claim 6, wherein if the pipe diameter of the sleeve (210) is a, the rod diameter of the connecting rod (100) is b, the length of the sleeve (210) is c, and the length of the support portion (220) is d, then a/b is d/c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072146.8U CN211556676U (en) | 2020-01-14 | 2020-01-14 | Suspension insulator pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072146.8U CN211556676U (en) | 2020-01-14 | 2020-01-14 | Suspension insulator pin pulling device |
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| Publication Number | Publication Date |
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| CN211556676U true CN211556676U (en) | 2020-09-22 |
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| CN202020072146.8U Active CN211556676U (en) | 2020-01-14 | 2020-01-14 | Suspension insulator pin pulling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572077A (en) * | 2021-08-24 | 2021-10-29 | 国网河南省电力公司平顶山供电公司 | Insulator string R-shaped pin ground potential steering dismounting device and method |
-
2020
- 2020-01-14 CN CN202020072146.8U patent/CN211556676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572077A (en) * | 2021-08-24 | 2021-10-29 | 国网河南省电力公司平顶山供电公司 | Insulator string R-shaped pin ground potential steering dismounting device and method |
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