CN217362016U

CN217362016U - Plugging device for bus duct jack box

Info

Publication number: CN217362016U
Application number: CN202221207444.9U
Authority: CN
Inventors: 孙爱勤
Original assignee: Shanghai Zhenda Complete Sets Of Electrical Co ltd
Current assignee: Shanghai Zhenda Complete Sets Of Electrical Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-02
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a bus duct jack box, include: the plug box body, participate in seat subassembly, articulated mounting and pull out plug device, pull out plug device and include casing, drive mechanism, chain, with the chain meshed sprocket, drive mechanism is mobilizable to be set up in the casing, drive mechanism's power input end sets up outside the casing, drive mechanism and sprocket connection drive, sprocket and chain all set up in the casing, the one end of chain stretches out in the plug box body, participate in seat subassembly, articulated mounting and pull out plug device and all set up in the same one side of plug box body. The structure provided by the application is small in size, the stability of the splicing of the bus duct jack box and the bus duct is improved, the normal operation of equipment is ensured, and potential safety hazards are reduced; meanwhile, the convenience of pulling out the bus duct jack box is improved. The plugging device and the pin base assembly are arranged on the same side of the plugging box body, so that the strength of the plugging box body around the pin base assembly is improved, the plugging is more powerful, and the deformation of a bottom plate of the plugging box is reduced.

Description

Plugging device for bus duct jack box

Technical Field

The utility model relates to a bus duct jack box technical field, more specifically say, relate to a bus duct jack box pulls out insertion apparatus.

Background

The bus duct jack box on the current market all is the plug-in type structure, and the copper pile head that inserts in the bus duct socket seat is participated in with the electrically conductive copper of jack box bottom to accomplish jack box electrical connection, external connection mainly is latch hook and deflector around fix the jack box on the bus duct, just can fix outside latch hook after only inside copper is participated in and is target in place with the grafting of copper pile head. The same is true of the extraction of the connector box, mainly the separation of the copper pins from the copper pile heads. Copper is participated in and is mainly had the spring clamping piece that copper conducting strip and manganese steel made, and the clamping-force through the spring leaf is participated in the electrically conductive copper sheet of copper participated in and is lived with the pile head centre gripping in the bus duct socket seat, guarantees the reliability of circular telegram, and in order to keep the clamping piece of spring, the copper is participated in between two conducting strips clearance little, leads to inserting the clamping-force of pile head too big, and single copper is participated in and only needs about 30 kilograms power can insert the copper pile head with copper. When 5 participate in to peg graft together, the resistance is very big, leads to the bottom half to warp, and can lead to pegging graft not in place, leads to jack box operation in-process, participates in and pile head contact temperature on the high side to lead to insulating ageing, cause the short circuit accident, cause the power failure phenomenon. Meanwhile, the volume of the plug-in box of more than 400A is too large, and the box body cannot be optimized when the standard design is followed.

To sum up, how to solve the problems of improper plugging and overlarge volume of the existing bus duct plugging box is a problem to be urgently solved by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a less bus duct jack box of volume, this bus duct jack box can realize pegging graft and target in place, and is convenient for extract.

In order to achieve the above object, the present invention provides the following technical solutions:

a bus duct jack box, comprising: the pin base assembly, the hinge device and the plug device are arranged on the same side of the plug box body.

Preferably, drive mechanism includes worm gear mechanism and drive assembly, the worm outer end of worm gear mechanism does drive mechanism's power input end, worm gear of worm gear mechanism with drive assembly connects the drive, drive assembly with the sprocket is connected.

Preferably, the driving assembly comprises a transmission shaft, a first bevel gear and a second bevel gear meshed with the first bevel gear, the first bevel gear is coaxially connected with a worm wheel of the worm gear mechanism, and the second bevel gear is coaxially connected with the chain wheel through the transmission shaft.

Preferably, a chain groove is formed in the housing, and the other end of the chain is connected with the chain groove through an elastic member.

Preferably, the housing is a U-shaped housing, and the pin base assembly is disposed between U-shaped arms of the U-shaped housing.

Preferably, the chain grooves are formed in two U-shaped arms of the U-shaped shell, the chain is arranged in each chain groove, the chain wheels are arranged on two sides of the U-shaped shell, and the transmission mechanisms are symmetrically arranged in the U-shaped shell.

Preferably, a circuit breaker is arranged in the plug box body and is installed in the plug box body through an installation plate.

Preferably, the hinge device comprises a jack box guide plate and a guide groove arranged on the jack box guide plate, and the guide groove is used for being hinged with a positioning bolt of the bus duct.

When needs are pegged graft, articulate the set point bolt in the bus duct with articulated mounting, through power input end input power to drive mechanism in, drive mechanism drives the sprocket and rotates, sprocket and chain meshing, because the outer end of chain is fixed, under the moment of torsion effect of sprocket, makes the sprocket move along the chain, and the sprocket moves towards the bus duct promptly, and the sprocket drives whole grafting box and moves towards the bus duct, makes the grafting box rotate around articulated mounting's pin joint to be connected completely with the bus duct. When the plug box is pulled out, power is input through the power input end, the transmission mechanism drives the chain wheel to rotate along the chain wheel in the opposite direction, the pin and the pile head can be separated through the thrust of the mutual locking of the chains, and the plug box is pulled out from the bus duct.

Aiming at a large-volume jack box with the volume of more than 400A, the bus duct jack box provided by the application has a smaller structural volume, improves the stability of splicing the bus duct jack box and the bus duct, ensures the normal operation of equipment and reduces potential safety hazards; meanwhile, the convenience of pulling out the bus duct jack box is improved. The plugging device and the pin base assembly are arranged on the same side of the plugging box body, so that the strength of the plugging box body around the pin base assembly is improved, the plugging is more powerful, and the deformation of a bottom plate of the plugging box is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an internal structure view of a bus duct jack box provided by the present invention;

fig. 2 is an application schematic diagram of the bus duct jack box provided by the present invention;

fig. 3 is an exploded view of the plugging device provided by the present invention;

fig. 4 is a structural diagram of a transmission mechanism provided with a bearing according to the present invention;

fig. 5 is a structural diagram of a transmission mechanism without a bearing according to the present invention.

In FIGS. 1-5:

the device comprises a 1-plugging device, a 2-mounting plate, a 3-plugging box body, a 4-circuit breaker, a 5-worm, a 6-pin base assembly, a 7-bus duct, an 8-guide groove, a 9-plugging box guide plate, a 10-elastic piece, a 11-shell, a 12-chain wheel, a 13-positioning bolt, a 14-tensioning bolt, a 15-side plate, a 16-U-shaped arm, a 17-chain groove, an 18-chain, a 19-bottom plate, a 20-small flying joint, a 21-first bearing, a 22-second bearing, a 23-first bevel gear and a 24-second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

The core of the utility model is to provide a less bus duct jack box of volume, this bus duct jack box can realize pegging graft and target in place, and is convenient for extract.

Referring to fig. 1 to 5, a bus duct jack box includes: plug box 3, plug foot seat subassembly 6, hinge means and pull out plug device 1, pull out plug device 1 include casing 11, drive mechanism, chain 18, with the sprocket 12 of 18 meshings of chain, drive mechanism mobilizable set up in casing 11, drive mechanism's power input end set up in outside the casing 11, drive mechanism with sprocket 12 is connected the drive, sprocket 12 with chain 18 all set up in the casing 11, the one end of chain 18 stretch out in plug box 3, plug foot seat subassembly 6 hinge means reaches pull out plug device 1 all set up in same one side of plug box 3.

It should be noted that the hinge device is disposed outside the plug box 3, the pin base assembly 6 and the plug device 1 are both disposed in the plug box 3, the pin base assembly 6 protrudes out of the side surface of the box to be connected with the bus duct 7, the chain 18 is movably disposed in the housing 11, and one end of the chain extending out of the plug box 3 is used for being connected with the tensioning bolt 14 of the bus duct 7.

When the plugging device needs to be plugged, the hinging device is hinged to a positioning bolt 13 of the bus duct 7, power is input into the transmission mechanism through a power input end, the transmission mechanism drives the chain wheel 12 to rotate, the chain wheel 12 is meshed with the chain 18, the chain wheel 12 moves along the chain 18 under the action of torque of the chain wheel 12, namely the chain wheel 12 moves towards the bus duct 7, the chain wheel 12 drives the whole plugging box body 3 to move towards the bus duct 7, and the plugging box body 3 rotates around a hinged point of the hinging device to be completely connected with the bus duct 7. When the jack box is pulled out, power is input through the power input end, the transmission mechanism drives the chain wheel 12 to rotate along the reverse direction of the rotation of the chain wheel 12, the pin and the pile head can be separated through the thrust of the mutual locking of the chains 18, and the jack box is pulled out from the bus duct 7.

Aiming at a large-volume jack box with the volume of more than 400A, the bus duct jack box provided by the application has a smaller structural volume, improves the stability of splicing the bus duct jack box with the bus duct 7, ensures the normal operation of equipment and reduces potential safety hazards; meanwhile, the convenience of pulling out the bus duct jack box is improved. The plugging device and the pin base assembly 6 are arranged on the same side of the plugging box body 3, so that the strength of the plugging box body 3 around the pin base assembly 6 is improved, the plugging is more powerful, and the deformation of the bottom plate 19 of the plugging box is reduced.

On the basis of the above embodiment, as a further preferable option, the transmission mechanism includes a worm and gear 5 mechanism and a driving component, an outer end of a worm 5 of the worm and gear 5 mechanism is a power input end of the transmission mechanism, a worm wheel of the worm and gear 5 mechanism is connected with the driving component for driving, and the driving component is connected with the sprocket 12. The small flying joint 20 of 1/4 is set at the outer end of the worm 5, and the plug-in and pull-out can be realized by clockwise or anticlockwise rotating with an electric wind gun or a ratchet wrench through a sleeve connecting rod with 1/4. The position of the worm 5 can be arranged at the tail part of the plug box, and also can be arranged at the top part of the plug box, meanwhile, the plug box body 3 can be provided with a stop door, and when the switch is closed, the stop door is opened to perform the rotation operation of the worm 5. The worm gear mechanism has a self-locking function, when the worm 5 is not rotated, the internal meshing mechanism cannot rotate automatically to form a locked state, and the jack box and the bus duct 7 are always in a combined state.

On the basis of the above embodiment, as a further preferred, the driving assembly includes a transmission shaft, a first bevel gear 23 and a second bevel gear 24 engaged with the first bevel gear 23, the first bevel gear 23 is coaxially connected with the worm wheel of the worm gear 5 mechanism, and the second bevel gear 24 is coaxially connected with the sprocket 12 through the transmission shaft. The axes of the first bevel gear 23 and the second bevel gear 24 are perpendicular to each other, and the bevel gears can convert longitudinal rotation into transverse rotation, so that the arrangement of the driving assembly is more convenient, and the occupied space of the driving assembly is saved.

Preferably, the drive shaft is mounted to the housing by a first bearing 21 and the worm 5 is mounted to the housing by a second bearing 22, ensuring rotational stability of the worm 5 and the drive shaft.

When the worm 5 is rotated, the chain 18 is driven to run, the chain 18 may rotate along the sprocket 12360 °, and the chain 18 is blocked, in order to avoid the above problem, on the basis of the above embodiment, as a further preference, a chain slot 17 is arranged in the housing 11, the other end of the chain 18 is connected with the chain slot 17 through the elastic element 10, and the elastic element 10 is in a stretching state, so as to ensure that the chain 18 is always tensioned, and prevent the chain 18 from being blocked.

In order to further save installation space, it is further preferable that the housing 11 is a U-shaped housing, and the socket assembly 6 is disposed between the U-shaped arms 16 of the U-shaped housing.

In order to ensure more stable transmission, on the basis of the above embodiment, as a further preference, the chain grooves 17 are arranged in the two U-shaped arms 16 of the U-shaped shell, the chain 18 is arranged in each chain groove 17, the chain wheels 12 are arranged on both sides of the U-shaped shell, and the transmission mechanism is symmetrically arranged in the U-shaped shell. The U-shaped shell symmetry sets up in the curb plate 15 of grafting box 3, makes the relative grafting box 3 of U-shaped shell be symmetrical structure, all sets up chain 18 in the U-shaped arm 16 through two symmetries at the U-shaped shell to make the both sides of grafting box 3 can synchronous motion, avoid grafting box 3's curb plate 15 to take place deformation, promote the stability that grafting box 3 pulled out the process of inserting.

The U-shaped casing includes U-shaped skeleton, and the both sides and the middle part of U-shaped skeleton set up the installation cavity, and both sides set up curb plate 15 respectively to device such as installation chain 18, sprocket 12, transmission shaft, elastic component 10, bottom set up bottom plate 19, so that install drive assembly.

Preferably, the U-shaped shell is cast and processed by aluminum alloy and then machined, so that the anti-corrosion plug box has the advantages of good anti-corrosion effect, light weight and the like, and the overall weight of the plug box is reduced as much as possible.

In order to further promote the security, on the basis of above-mentioned embodiment, as further preferred, set up circuit breaker 4 in the grafting box 3, circuit breaker 4 pass through mounting panel 2 install in the grafting box 3, circuit breaker 4 is connected with plug pin seat subassembly 6 to avoid the incident that transships and cause.

In addition to the above embodiment, it is further preferable that the hinge device includes a jack box guide plate 9 and a guide groove 8 provided in the jack box guide plate 9, and the guide groove 8 is used for being hinged with a positioning bolt 13 of the bus duct 7. The inner end of the guide groove 8 is arranged to turn sideways so as to improve the stability of hinging with the positioning bolt 13 and avoid the positioning bolt 13 from shaking in the guide groove 8.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a bus duct jack box has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a bus duct jack box which characterized in that includes: plug box body (3), pin base subassembly (6), hinge means and pull out plug device (1), pull out plug device (1) including casing (11), drive mechanism, chain (18), with chain (18) engaged sprocket (12), drive mechanism mobilizable set up in casing (11), drive mechanism's power input end set up in outside casing (11), drive mechanism with sprocket (12) are connected the drive, sprocket (12) with chain (18) all set up in casing (11), the one end of chain (18) stretch out in plug box body (3), pin base subassembly (6) hinge means and pull out plug device (1) all set up in same one side of plug box body (3).

2. The bus duct jack box of claim 1, wherein the transmission mechanism comprises a worm gear mechanism and a driving assembly, the outer end of a worm (5) of the worm gear mechanism is a power input end of the transmission mechanism, a worm wheel of the worm gear mechanism is connected with the driving assembly for driving, and the driving assembly is connected with the chain wheel (12).

3. The bus duct jack box of claim 2, wherein the driving assembly comprises a transmission shaft, a first bevel gear (23) and a second bevel gear (24) meshed with the first bevel gear (23), the first bevel gear (23) is coaxially connected with a worm wheel of the worm gear mechanism, and the second bevel gear (24) is coaxially connected with the chain wheel (12) through the transmission shaft.

4. A bus duct jack box according to claim 1, characterized in that a chain groove (17) is arranged in the shell (11), and the other end of the chain (18) is connected with the chain groove (17) through an elastic member (10).

5. A bus duct jack box according to claim 4, wherein the housing (11) is a U-shaped housing, the pin base assembly (6) being disposed between U-shaped arms (16) of the U-shaped housing.

6. A bus duct jack box according to claim 5, characterized in that the chain grooves (17) are arranged in two U-shaped arms (16) of the U-shaped shell, the chain (18) is arranged in each chain groove (17), the chain wheels (12) are arranged on two sides of the U-shaped shell, and the transmission mechanisms are symmetrically arranged in the U-shaped shell.

7. The bus duct jack box of claim 1, characterized in that a circuit breaker (4) is arranged in the jack box body (3), and the circuit breaker (4) is installed in the jack box body (3) through an installation plate (2).

8. The bus duct jack box of claim 1, wherein the hinge device comprises a jack box guide plate (9) and a guide groove (8) arranged on the jack box guide plate (9), and the guide groove (8) is used for being hinged with a positioning bolt (13) of the bus duct (7).