CN220562586U

CN220562586U - Tension adjusting device for contact net

Info

Publication number: CN220562586U
Application number: CN202321240251.8U
Authority: CN
Inventors: 杨辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2024-03-08
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of railway power supply, in particular to a tension adjusting device for a contact net, which comprises a bearing base and a mounting plate, wherein the mounting plate is fixedly connected to the upper end of the outer wall of the bearing base, a movable plate is movably connected to the middle of the inside of the mounting plate, and a contact net distribution line is fixedly connected to the upper end of the outer wall of the movable plate. According to the utility model, the movable plate can be changed in the vertical position on the outer wall surface of the fixed rod to pull or relax the whole contact network distribution line, so that the contact network distribution line can be used in a conventional straight-down state under different environments, the problem of internal use caused by different environments is avoided, different contact network distribution line use forces can be regulated by regulating springs, and thus the regulation force of the contact network distribution line in use can be regulated, the regulation operation can be completed by only rotating the screw rod, the operation is simple and quick, the use is convenient, and the use cost is low.

Description

Tension adjusting device for contact net

Technical Field

The utility model relates to the technical field of railway power supply, in particular to a tension adjusting device for a contact net.

Background

The overhead contact system is a high-voltage power transmission line which is erected along the upper space of a steel rail in a zigzag manner and is used for supplying current to a pantograph, the overhead contact system is a main framework of a railway electrification project, and the overhead contact system is a special-type power transmission line which is erected along the upper space of a railway and is used for supplying power to an electric locomotive. The contact line tension adjusting device comprises a contact suspension part, a supporting device, a positioning device, a support column and a foundation part, wherein in the prior art, when a large part of contact line is used, the contact line is possibly changed in winter and summer, so that the state of thermal expansion and cold contraction is caused, the line is possibly caused to droop or tighten, the normal use of the part is affected, and when the contact line is adjusted, the existing operation is complicated, the operation and the use can not be fast performed, and therefore, the tension adjusting device for the contact line is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a tension adjusting device for a contact net, which solves the problems that when most contact lines proposed in the background technology are used, the contact lines possibly cause thermal expansion and contraction states due to change of winter and summer seasons, and the lines possibly cause sagging or tightening states, so that the normal use of parts is influenced, and the conventional operation is complicated and the operation and the use cannot be performed quickly during the adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tension adjusting device for contact net, includes the bearing base, the mounting panel, mounting panel fixed connection is in the outer wall upper end of bearing base, fly leaf swing joint is in the middle of the inside of mounting panel, contact net distribution line fixed connection is in the outer wall upper end of fly leaf.

Preferably, two sets of four corner fixedly connected with bracing pieces in the middle of the inner wall of mounting panel, and the outer wall corner of bracing piece all sets up to convex, the inner wall of mounting panel is middle left and right sides fixedly connected with dead lever, and has cup jointed adjusting spring in the outer wall activity of dead lever.

Preferably, the spout has been seted up in the middle of the inside of mounting panel, and has the screw rod at the inner wall of spout through bearing swing joint, the outer wall upper end fixedly connected with of screw rod turns round the piece, and through screw movement fixedly connected with the swivel nut of screw rod outer wall looks adaptation in the middle of the inside of fly leaf.

Preferably, the left and right sides in the middle of the inside of fly leaf and the outer wall surface looks adaptation of dead lever, and the vertical swing joint of fly leaf is at the outer wall surface of dead lever.

Preferably, the diameter of the inner wall of the adjusting spring is consistent with the diameter of the outer wall of the fixed rod, the lower end of the outer wall of the adjusting spring is fixedly connected to the outer wall of the mounting plate at the lower side, and the upper end of the outer wall of the adjusting spring is fixedly connected to the lower end of the outer wall of the movable plate.

Preferably, the corners of the outer wall of the movable plate are arc-shaped, and the width of the outer wall of the movable plate is smaller than the whole width of the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: when the overhead line system is used, the movable plate can be changed in the vertical position on the outer wall surface of the fixed rod to pull or relax the whole overhead line system distribution line, so that the overhead line system distribution line can be used in a conventional straight state under different environments, the problem of internal use caused by different environments is avoided, different overhead line system distribution line use forces can be regulated through the regulating springs, the regulating force of the overhead line system distribution line in use can be regulated, the regulating operation can be completed only by rotating the screw rod, the overhead line system distribution line system is simple and quick, the use is convenient, and the use cost is low.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the structure of the present utility model;

fig. 4 is an enlarged partial schematic view of fig. 3 a according to the present utility model.

In the figure: 1. a bearing base; 2. a mounting plate; 3. a support rod; 4. a fixed rod; 5. an adjusting spring; 6. a chute; 7. a screw; 8. twisting blocks; 9. a movable plate; 10. a screw sleeve; 11. contact net distribution line.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the tension adjusting device for the overhead line system comprises a bearing base 1, a mounting plate 2, wherein the mounting plate 2 is fixedly connected to the upper end of the outer wall of the bearing base 1, a movable plate 9, the movable plate 9 is movably connected to the middle inside the mounting plate 2, an overhead line system distribution line 11, and the overhead line system distribution line 11 is fixedly connected to the upper end of the outer wall of the movable plate 9;

further, four corner fixedly connected with bracing piece 3 in the middle of the inner wall of two sets of mounting panels 2, and the outer wall corner of bracing piece 3 all sets up to convex, and the left and right sides fixedly connected with dead lever 4 in the middle of the inner wall of mounting panel 2, and has cup jointed adjusting spring 5 in the outer wall activity of dead lever 4, and this structure can make adjusting spring 5 be in the outer wall of dead lever 4 and be difficult for causing the state of slope.

Further, the spout 6 has been seted up in the middle of the inside of mounting panel 2, and has screw rod 7 through bearing swing joint at the inner wall of spout 6, and the outer wall upper end fixedly connected with of screw rod 7 turns round piece 8, and has the swivel nut 10 with screw rod 7 outer wall looks adaptation through the screw thread motion fixedly connected with in the middle of the inside of fly leaf 9, and this structure can drive contact net distribution line 11 and carry out certain vertical position and remove.

Further, the left and right sides in the middle of the inside of fly leaf 9 and the outer wall surface looks adaptation of dead lever 4, and fly leaf 9 vertical swing joint is at the outer wall surface of dead lever 4, and this structure can make fly leaf 9 be in certain horizontal vertical removal.

Further, the inner wall diameter of adjusting spring 5 is unanimous with the outer wall diameter of dead lever 4, and adjusting spring 5's outer wall lower extreme fixed connection is at the outer wall of downside mounting panel 2, and adjusting spring 5's outer wall upper end fixed connection is at the outer wall lower extreme of fly leaf 9, and this structure can make fly leaf 9 drive adjusting spring 5 and carry out certain vertical position and remove.

Further, the corners of the outer wall of the movable plate 9 are all arc-shaped, and the width of the outer wall of the movable plate 9 is smaller than the whole width of the mounting plate 2, so that the structure can reduce abrasion consumption between objects.

Working principle: when in use, the contact net distribution line 11 can be moved at a certain position according to different states of the contact net distribution line 11, so that the contact net distribution line 11 is in a certain straightening state, the contact net distribution line is moved to the edge of the outer wall of the mounting plate 2 through the bearing base 1 for use, then the outer wall of the torsion block 8 can be clamped by a spanner in a fitting way, the torsion block 8 can be rotated, when the torsion block 8 rotates, the screw rod 7 on the inner wall of the mounting plate 2 is driven to rotate the same as the torsion block 8, and then the screw rod 7 rotates in the middle of the mounting plate 2 through a bearing and drives the screw sleeve 10 on the outer wall of the screw rod 7 to vertically move by screw movement, the movable plate 9 drives the threaded sleeve 10 to vertically move, at this time, the movable plate 9 can vertically move up and down to a certain extent on the outer wall surface of the fixed rod 4, and meanwhile, when the movable plate 9 moves, the contact net distribution line 11 is driven to move at the same vertical distance, and meanwhile, the adjusting spring 5 on the outer wall of the fixed rod 4 is vertically extruded to a certain extent, so that the adjusting spring 5 causes partial deformation, and the contact net distribution line 11 can be used in different environments in a state of being connected in a straight, so that other influences caused by the contact net distribution line 11 in use are avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. Tension adjusting device for contact net, including bearing base (1), its characterized in that:

the mounting plate (2), the mounting plate (2) is fixedly connected with the upper end of the outer wall of the bearing base (1),

a movable plate (9), wherein the movable plate (9) is movably connected in the middle of the inside of the mounting plate (2),

and the contact net distribution line (11), wherein the contact net distribution line (11) is fixedly connected to the upper end of the outer wall of the movable plate (9).

2. A tension adjusting device for overhead line system according to claim 1, characterized in that: two sets of four corner fixedly connected with bracing piece (3) in the middle of the inner wall of mounting panel (2), and the outer wall corner of bracing piece (3) all sets up to convex, the left and right sides fixedly connected with dead lever (4) in the middle of the inner wall of mounting panel (2), and has cup jointed adjusting spring (5) in the outer wall activity of dead lever (4).

3. A tension adjusting device for overhead line system according to claim 1, characterized in that: the novel screw bolt is characterized in that a sliding groove (6) is formed in the middle of the inside of the mounting plate (2), a screw bolt (7) is movably connected to the inner wall of the sliding groove (6) through a bearing, a torsion block (8) is fixedly connected to the upper end of the outer wall of the screw bolt (7), and a threaded sleeve (10) matched with the outer wall of the screw bolt (7) is fixedly connected to the middle of the inside of the movable plate (9) through threaded movement.

4. A tension adjusting device for overhead line system according to claim 1, characterized in that: the left side and the right side of the middle inside of the movable plate (9) are matched with the outer wall surface of the fixed rod (4), and the movable plate (9) is vertically and movably connected with the outer wall surface of the fixed rod (4).

5. A tension adjusting device for overhead line system according to claim 2, characterized in that: the diameter of the inner wall of the adjusting spring (5) is consistent with the diameter of the outer wall of the fixed rod (4), the lower end of the outer wall of the adjusting spring (5) is fixedly connected to the lower side of the outer wall of the mounting plate (2), and the upper end of the outer wall of the adjusting spring (5) is fixedly connected to the lower end of the outer wall of the movable plate (9).

6. A tension adjusting device for overhead line system according to claim 1, characterized in that: the outer wall corners of the movable plate (9) are all arc-shaped, and the outer wall width of the movable plate (9) is smaller than the whole width of the mounting plate (2).