CN215071288U - Subway contact net isolator overhauls appurtenance - Google Patents

Abstract

The utility model belongs to the technical field of subway contact net overhauls, especially, a subway contact net isolator overhauls appurtenance, to and present staircase is the integral type structure usually, can not dismantle the problem of carrying to it, the scheme as follows now proposes, it includes two backup pads, one side that two backup pads are close to each other all is equipped with a plurality of footboards, the equal fixed mounting in both sides of a plurality of footboards has the fixture block, a plurality of draw-in grooves have all been seted up to one side that two backup pads are close to each other, a plurality of fixture block swing joint are in corresponding draw-in groove, the through-hole has been seted up to one side of footboard, the dwang is installed in the bottom rotation of footboard, the top of dwang extends to in the through-hole and fixed mounting has the worm, first pivot is installed to the through-hole internal rotation, the fixed cover in the outside of first pivot is equipped with the worm wheel, worm and worm wheel mesh mutually. The utility model has the advantages of reasonable design, the convenience is to the concatenation and the dismantlement of two backup pads and a plurality of footboard, has improved its portability, and the practicality is good.

Description

Subway contact net isolator overhauls appurtenance

Technical Field

The utility model relates to a subway contact net overhauls technical field, especially relates to a subway contact net isolator overhauls appurtenance.

Background

The overhead contact system is a high-voltage transmission line which is erected along a zigzag shape above a steel rail in an electrified railway and is used for a pantograph to draw current. The overhead contact system is a main framework of the railway electrification engineering and is a special power transmission line which is erected along a railway line and supplies power to an electric locomotive. The contact type subway contact net comprises a contact suspension part, a supporting device, a positioning device, a supporting column and a foundation, and after the contact net of the subway is formally used, an isolating switch of the contact net needs to be periodically overhauled.

However, at present, climbing maintenance is carried out on the mode that the escalator is generally used manually, the escalator at present is generally of an integrated structure and cannot be disassembled to be carried, and therefore an auxiliary tool for maintenance of a disconnecting switch of a subway overhead line system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and present staircase is integral type structure usually, can not dismantle the shortcoming of carrying to it, and a subway contact net isolator that proposes overhauls appurtenance.

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

an auxiliary tool for overhauling a disconnecting switch of a subway contact net comprises two supporting plates, wherein a plurality of pedals are arranged on one sides of the two supporting plates close to each other, clamping blocks are fixedly arranged on two sides of the pedals, a plurality of clamping grooves are formed in one sides of the two supporting plates close to each other, the clamping blocks are movably connected in the corresponding clamping grooves, a through hole is formed in one side of each pedal, a rotating rod is rotatably arranged at the bottom of each pedal, the top end of the rotating rod extends into the through hole and is fixedly provided with a worm, a first rotating shaft is rotatably arranged in the through hole, a worm wheel is fixedly sleeved on the outer side of the first rotating shaft and is meshed with the worm wheel, connecting grooves are formed in one sides of the two corresponding clamping blocks close to each other, two ends of the first rotating shaft extend into the corresponding connecting grooves and are fixedly provided with first conical gears, second rotating shafts are rotatably arranged in the two connecting grooves, and second conical gears are fixedly arranged at the top ends of the two second rotating shafts, two first bevel gears mesh with corresponding second bevel gear mutually, and the equal fixed mounting in bottom of two second pivots has the rectangular pole, and the outside of two rectangular poles is all slided the cover and is equipped with the threaded rod, has all seted up the thread groove on the bottom inner wall of two draw-in grooves, two threaded rods and corresponding thread groove phase-matchs.

Preferably, the bottom of footboard has seted up the mounting hole, and the outer lane of bearing is fixed to be installed in the mounting hole, and the dwang is cup jointed with the inner circle of bearing is fixed, conveniently rotates the installation dwang.

Preferably, two vertical plates are fixedly installed in the through hole, and the first rotating shaft is rotatably installed in the two vertical plates, so that the first rotating shaft is conveniently rotatably installed.

Preferably, a transverse plate is fixedly installed in the connecting groove, and the second rotating shaft is rotatably installed on the inner side of the transverse plate and is conveniently rotatably installed.

Preferably, the top of the threaded rod is provided with a rectangular groove, and the threaded rod is slidably sleeved on the outer side of the rectangular rod through the rectangular groove, so that the threaded rod is conveniently slidably sleeved.

Preferably, a threaded hole is formed in the inner wall of the bottom of the connecting groove, and the threaded rod is connected in the threaded hole in a threaded mode, so that the threaded rod can move conveniently.

In the utility model, the subway contact net isolator overhaul auxiliary tool can rotate the threaded rod through rotating the dwang, the meshing transmission of the worm and the worm wheel and the meshing transmission of the first bevel gear and the second bevel gear and the common cooperation of the rectangular rod and the threaded rod, and can rotate the threaded rod, and in addition, through the common cooperation of the threaded hole and the threaded groove, two threaded rods can be screwed in or out of the corresponding threaded groove, so that the two support plates and a plurality of pedals can be conveniently spliced and disassembled;

the utility model has the advantages of reasonable design, the convenience is to the concatenation and the dismantlement of two backup pads and a plurality of footboard, has improved its portability, and the practicality is good.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of an auxiliary tool for overhauling a disconnecting switch of a subway contact network provided by the utility model;

fig. 2 is a schematic sectional structure view of a main view of the auxiliary tool for overhauling the disconnecting switch of the subway overhead line system provided by the utility model;

fig. 3 is a schematic structural view of a part a of the auxiliary tool for overhauling the disconnecting switch of the subway overhead line system provided by the utility model;

fig. 4 is the utility model provides a subway contact net isolator overhauls appurtenance's B part's schematic structure diagram.

In the figure: 1. a support plate; 2. a pedal; 3. a clamping block; 4. a card slot; 5. a through hole; 6. rotating the rod; 7. a worm; 8. a first rotating shaft; 9. a worm gear; 10. connecting grooves; 11. a first bevel gear; 12. a second rotating shaft; 13. a second bevel gear; 14. a rectangular bar; 15. a threaded rod; 16. a threaded hole; 17. a thread groove.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-4, an auxiliary tool for overhauling a disconnecting switch of a subway contact network comprises two support plates 1, wherein a plurality of pedals 2 are arranged on the mutually close sides of the two support plates 1, fixture blocks 3 are fixedly arranged on the two sides of the pedals 2, a plurality of clamping grooves 4 are arranged on the mutually close sides of the two support plates 1, the fixture blocks 3 are movably connected in the corresponding clamping grooves 4, a through hole 6 is formed in one side of each pedal 2, a rotating rod 5 is rotatably arranged at the bottom of each pedal 2, the top end of each rotating rod 5 extends into the through hole 6 and is fixedly provided with a worm 7, a first rotating shaft 8 is rotatably arranged in the through hole 6, a worm wheel 9 is fixedly sleeved on the outer side of each first rotating shaft 8, the worm 7 is meshed with the worm wheel 9, connecting grooves 10 are respectively arranged on the mutually close sides of the two corresponding fixture blocks 3, the two ends of each first rotating shaft 8 extend into the corresponding connecting grooves 10 and are fixedly provided with a first bevel gear 11, all rotate in two spread grooves 10 and install second pivot 12, the equal fixed mounting in top of two second pivots 12 has second bevel gear 13, two first bevel gear 11 mesh with corresponding second bevel gear 13 mutually, the equal fixed mounting in bottom of two second pivots 12 has rectangular pole 14, the outside of two rectangular poles 14 is all slided the cover and is equipped with threaded rod 15, threaded groove 17 has all been seted up on the bottom inner wall of two draw-in grooves 4, two threaded rod 15 and corresponding threaded groove 17 phase-matches.

In this embodiment, the mounting hole has been seted up to the bottom of footboard 2, and the fixed mounting has the outer lane of bearing in the mounting hole, and dwang 5 cup joints with the inner circle of bearing is fixed, conveniently rotates installation dwang 5.

In this embodiment, fixed mounting has two risers in the through-hole 6, and first pivot 8 rotates to be installed in two risers, conveniently rotates first pivot 8 of installation.

In this embodiment, fixed mounting has the diaphragm in the connecting groove 10, and second pivot 12 rotates and installs the inboard at the diaphragm, conveniently rotates installation second pivot 12.

In this embodiment, a rectangular groove is opened at the top of the threaded rod 15, and the threaded rod 15 is slidably sleeved on the outer side of the rectangular rod through the rectangular groove, so that the threaded rod 15 is conveniently slidably sleeved.

In this embodiment, a threaded hole 16 is formed in the inner wall of the bottom of the connecting groove 10, and the threaded rod 15 is screwed in the threaded hole 16, so that the threaded rod 15 can move conveniently.

In the utility model, when in use, two support plates 1 can be butted with a plurality of pedals 2 through the common matching of the clamping block 3 and the clamping groove 4, then the threaded rod 15 can be rotated through rotating the rotating rod 5, through the meshing transmission of the worm 7 and the worm wheel 9 and the meshing transmission of the first bevel gear 11 and the second bevel gear 13, and through the common matching of the rectangular rod 14 and the threaded rod 15, in addition, the two threaded rods 15 can be screwed into the corresponding threaded grooves 17 through the common matching of the threaded holes 16 and the threaded grooves 17, the butt joint and the fixation of the pedals 2 and the two support plates 1 can be completed, the splicing use is convenient, after the use is completed, the threaded rods 15 can be screwed out of the threaded grooves 17 through reversely rotating the rotating rod 5, the fixation of the pedals 2 and the two support plates 1 can be released, and the two support plates 1 and the plurality of pedals 2 can be disassembled, is convenient to carry and use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a subway contact net isolator overhauls appurtenance, includes two backup pads (1), its characterized in that, one side that two backup pads (1) are close to each other all is equipped with a plurality of footboards (2), and the equal fixed mounting in both sides of a plurality of footboards (2) has fixture block (3), and one side that two backup pads (1) are close to each other all has seted up a plurality of draw-in grooves (4), and a plurality of fixture block (3) swing joint is in corresponding draw-in groove (4), through-hole (6) have been seted up to one side of footboard (2), the bottom of footboard (2) is rotated and is installed dwang (5), the top of dwang (5) extends to in through-hole (6) and fixed mounting has worm (7), through-hole (6) is installed first pivot (8), the outside fixed cover of first pivot (8) is equipped with worm wheel (9), worm (7) mesh with worm wheel (9), two corresponding fixture blocks (3) are close to one side each other and have all seted up spread groove (10), the both ends of first pivot (8) extend to in corresponding spread groove (10) and fixed mounting have first conical gear (11), all rotate in two spread grooves (10) and install second pivot (12), the equal fixed mounting in top of two second pivots (12) has second conical gear (13), two first conical gear (11) mesh with corresponding second conical gear (13), the equal fixed mounting in bottom of two second pivots (12) has rectangular pole (14), the outside of two rectangular poles (14) is all slided the cover and is equipped with threaded rod (15), threaded groove (17) have all been seted up on the bottom inner wall of two draw-in grooves (4), two threaded rod (15) and corresponding threaded groove (17) phase-match.

2. The auxiliary tool for overhauling the disconnecting switch of the subway overhead line system according to claim 1, wherein a mounting hole is formed in the bottom of the pedal (2), an outer ring of a bearing is fixedly mounted in the mounting hole, and the rotating rod (5) is fixedly sleeved with an inner ring of the bearing.

3. The subway overhead line system isolating switch overhauling auxiliary tool as claimed in claim 1, wherein two vertical plates are fixedly installed in the through hole (6), and the first rotating shaft (8) is rotatably installed in the two vertical plates.

4. The auxiliary tool for overhauling the disconnecting switch of the subway overhead line system according to claim 1, wherein a transverse plate is fixedly installed in the connecting groove (10), and the second rotating shaft (12) is rotatably installed on the inner side of the transverse plate.

5. The auxiliary tool for overhauling the disconnecting switch of the subway overhead line system according to claim 1, wherein a rectangular groove is formed in the top of the threaded rod (15), and the threaded rod (15) is slidably sleeved on the outer side of the rectangular rod through the rectangular groove.

6. The auxiliary tool for overhauling the disconnecting switch of the subway overhead line system according to claim 1, wherein a threaded hole (16) is formed in the inner wall of the bottom of the connecting groove (10), and the threaded rod (15) is in threaded connection with the threaded hole (16).

Images