CN210074680U

CN210074680U - Tray type cable bridge with good protection effect

Info

Publication number: CN210074680U
Application number: CN201921182659.8U
Authority: CN
Inventors: 高海英; 郑佑建; 郑铭; 高文李
Original assignee: Tianjin Jzoma Cable Tray Co Ltd
Current assignee: Tianjin Jzoma Cable Tray Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-02-14
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a tray formula cable testing bridge that protecting effect is good, including a plurality of crane span structure main part and a plurality of fixed establishment, the crane span structure main part is including the crane span structure bottom plate that is the setting of U type and the crane span structure apron that is the setting of U type, through a plurality of fixed establishment fixed connection between two adjacent crane span structure main parts, all rotate between the lateral wall of a plurality of crane span structure bottom plate inner chamber and be connected with the axis of rotation, be equipped with five leading wheels in the axis of rotation, fixed establishment includes a bottom plate, an upper fixed plate, two sliding tray, two connecting rods, two spacing telescopic links, two first springs and two spacing holes, bottom plate and upper fixed plate all are the setting of U type, the one end of two connecting rods respectively with the both sides fixed connection on bottom. The utility model discloses make upper fixed plate and bottom plate more stable to being connected between crane span structure apron and the crane span structure bottom plate, also can be adjacent the connection between two crane span structure main parts more stable, better to the protective effect of cable.

Description

Tray type cable bridge with good protection effect

Technical Field

The utility model relates to a cable testing bridge specifically is a tray formula cable testing bridge that protecting effect is good.

Background

The tray type cable bridge has the advantages of light weight, large load, attractive appearance, simple structure, convenience in installation and the like. The cable laying device is suitable for installation of power cables and laying of control cables. The tray type cable bridge frame is divided into two types of plating and paint spraying for surface treatment, and can be subjected to special anti-corrosion treatment in a heavy corrosion environment.

When the conventional tray type cable bridge is used, the connection stability between two adjacent bridge main bodies is not high, and the protection effect of the tray type cable bridge on a cable is influenced. Therefore, the improvement is made, and the tray type cable bridge with good protection effect is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tray type cable bridge with good protection effect, which comprises a plurality of bridge main bodies and a plurality of fixing mechanisms, wherein each bridge main body comprises a bridge bottom plate in a U-shaped arrangement and a bridge cover plate in a U-shaped arrangement, two adjacent bridge main bodies are fixedly connected through a plurality of fixing mechanisms, a plurality of rotating shafts are rotatably connected between the side walls of the inner cavity of the bridge bottom plate, five guide wheels are arranged on the rotating shafts, each fixing mechanism comprises a lower fixing plate, an upper fixing plate, two sliding grooves, two connecting rods, two limiting telescopic rods, two first springs and two limiting holes, the lower fixing plate and the upper fixing plate are in a U-shaped arrangement, one ends of the two connecting rods are respectively and fixedly connected with the two sides of the top end of the lower fixing plate, and the other ends of the two connecting rods are respectively and fixedly connected with the column walls of the two limiting telescopic rods, the two limiting telescopic rods are respectively positioned in the inner cavities of the two sliding grooves and are respectively matched with the two limiting holes.

As an optimal technical scheme of the utility model, the dorsal part's of the looks both ends of crane span structure bottom plate and crane span structure apron are all fixed and are equipped with waist shape stopper, the opposite side of bottom plate and upper fixed plate all seted up with four the spacing groove that waist shape stopper matches, and two the total width of waist shape stopper is greater than the width of spacing groove.

As an optimal technical scheme of the utility model, the dovetail has all been seted up to the both sides on crane span structure bottom plate top, the equal fixedly connected with in both sides and two of crane span structure apron bottom the forked tail piece that the dovetail matches.

As a preferred technical scheme of the utility model, spacing telescopic link includes fixed block, second spring and gag lever post, the one end of second spring and the one end fixed connection of gag lever post, the other end and the fixed block inner chamber bottom fixed connection of second spring, just the second spring is located the inner chamber of fixed block.

As an optimal technical scheme of the utility model, spherical groove has been seted up to the other end of gag lever post, the gag lever post matches with spacing hole and pegs graft.

As a preferred technical scheme of the utility model, the one end of first spring and the top fixed connection of sliding tray inner chamber, the other end of first spring and the post wall fixed connection of spacing telescopic link.

As an optimal technical scheme of the utility model, fixed cover is equipped with four stoppers, four in the axis of rotation the stopper is located adjacent two respectively between the leading wheel.

As an optimal technical scheme of the utility model, radiating a plurality of waist shape hole, a plurality of are all seted up to the looks back of crane span structure bottom plate and crane span structure apron waist shape hole equidistance interval evenly distributed.

The utility model has the advantages that: this kind of tray formula cable testing bridge that protecting effect is good, through the crane span structure apron, the crane span structure bottom plate, mutually supporting of an upper fixed plate and bottom plate etc. is used, can be with crane span structure apron connection on the crane span structure bottom plate, promote an upper fixed plate downwards, spacing groove and waist shape stopper joint on messenger's upper fixed plate and the bottom plate, under the effect of second spring elastic potential energy, make gag lever post and spacing hole match grafting, fix an upper fixed plate and bottom plate, it is more stable to make an upper fixed plate and bottom plate be connected between crane span structure apron and the crane span structure bottom plate, also can be adjacent connection between two crane span structure main parts more stable, protecting effect to the cable is better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a tray-type cable tray with a good protection effect of the present invention;

fig. 2 is a sectional view of the structure of the upper fixing plate and the lower fixing plate of the tray-type cable bridge with good protection effect;

fig. 3 is an enlarged view of a structure at a position a in fig. 2 of the tray type cable bridge with a good protection effect.

In the figure: 1. a bridge deck; 2. a bridge cover plate; 3. a lower fixing plate; 4. an upper fixing plate; 5. a waist-shaped hole; 6. a waist-shaped limiting block; 7. a limiting groove; 8. a dovetail block; 9. a sliding groove; 10. a connecting rod; 11. a fixed block; 12. a first spring; 13. a second spring; 14. a limiting rod; 15. a limiting hole; 16. a rotating shaft; 17. a guide wheel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2 and 3, the utility model relates to a tray type cable bridge with good protection effect, which comprises a plurality of bridge main bodies and a plurality of fixing mechanisms, wherein each bridge main body comprises a U-shaped bridge bottom plate 1 and a U-shaped bridge cover plate 2, two adjacent bridge main bodies are fixedly connected through the plurality of fixing mechanisms, rotating shafts 16 are respectively and rotatably connected between the side walls of the inner cavities of the bridge bottom plates 1, five guide wheels 17 are arranged on the rotating shafts 16, each fixing mechanism comprises a lower fixing plate 3, an upper fixing plate 4, two sliding grooves 9, two connecting rods 10, two limiting telescopic rods, two first springs 12 and two limiting holes 15, the lower fixing plate 3 and the upper fixing plate 4 are both in U-shaped arrangement, one end of each connecting rod 10 is respectively and fixedly connected with two sides of the top end of the lower fixing plate 3, the other end of each connecting rod 10 is respectively and fixedly connected with the column walls of the two limiting telescopic rods, the two limiting telescopic rods are respectively positioned in the inner cavities of the two sliding grooves 9 and are respectively matched with the two limiting holes 15.

Wherein, the two ends of the opposite sides of the bridge base plate 1 and the bridge cover plate 2 are both fixedly provided with waist-shaped limit blocks 6, the opposite sides of the lower fixed plate 3 and the upper fixed plate 4 are both provided with limit grooves 7 matched with the four waist-shaped limit blocks 6, and the total width of the two waist-shaped limit blocks 6 is larger than the width of the limit grooves 7, when the two bridge main bodies are connected, the waist-shaped limit block 6 at the bottom end of one bridge base plate 1 is positioned in the inner cavity of the limit groove 7 at the bottom end of the lower fixed plate 3, the waist-shaped limit block 6 at the bottom end of the other bridge base plate 1 is positioned in the inner cavity of the limit groove 7 at the bottom end of the lower fixed plate 3, and the upper fixed plate 4 moves downwards, so that the limit groove 7 at the top end of the upper fixed plate 4 is clamped with the waist-shaped limit blocks 6 at the top ends of the two bridge cover plates 2, the two bridge main bodies are connected, the, the waist-shaped limiting block 6 is prevented from sliding in the inner cavity of the limiting groove 7.

Wherein, the dovetail has all been seted up to the both sides on 1 top of crane span structure bottom plate, the equal fixedly connected with in both sides of 2 bottoms of crane span structure apron and the forked tail piece 8 that two dovetails match, and the one end of dovetail is equipped with the opening, and the other end is sealed, when two fixed crane span structure main parts, can make two forked tail pieces 8 of 2 bottoms of crane span structure apron insert from the same end of two dovetails respectively, can improve the connection stability between crane span structure apron 2 and the crane span structure bottom plate 1.

Wherein, spacing telescopic link includes fixed block 11, second spring 13 and gag lever post 14, the one end of second spring 13 and the one end fixed connection of gag lever post 14, the other end and the 11 inner chamber bottom fixed connections of fixed block of second spring 13, and second spring 13 is located the inner chamber of fixed block 11, and when upper fixed plate 4 downstream, gag lever post 14 stretched into the inner chamber of fixed block 11 and makes second spring 13 be in compression state all the time.

Wherein, spherical groove has been seted up to the other end of gag lever post 14, and gag lever post 14 matches with spacing hole 15 and pegs graft, moves gag lever post 14 and pegs graft with spacing hole 15 up to upper fixed plate 4, and the top in close contact with of the bottom of upper fixed plate 4 and bottom plate 3 just in time, and the setting of spherical groove is convenient for utilize external instrument to release the inner chamber of spacing hole 15 with gag lever post 14.

Wherein, the one end of first spring 12 and the top fixed connection of sliding tray 9 inner chamber, the other end of first spring 12 and the column wall fixed connection of spacing telescopic link, when gag lever post 14 is pegged graft with spacing hole 15, first spring 12 is in compression state all the time, the setting of first spring 12 can be after the inner chamber of spacing hole 15 is released with gag lever post 14, under the elastic potential energy effect of first spring 12, can make upper fixed

plate

4 and 3 automatic parts of bottom plate, convenient to detach.

Wherein, fixed cover is equipped with four stoppers on the axis of rotation 16, and four stoppers are located respectively between two adjacent leading wheels 17, and the setting of stopper can prevent that five leading wheels 17 from sliding on axis of rotation 16.

Wherein, radiating a plurality of waist shape hole 5 has all been seted up to the looks back of crane span structure bottom plate 1 and crane

span structure apron

2, and 5 equidistance interval evenly distributed in a plurality of waist shape hole, the setting in waist shape hole 5 can do benefit to the heat dissipation.

When the bridge main body is connected, firstly, two dovetail blocks 8 at the bottom end of a bridge cover plate 2 can be respectively inserted into the same end of two dovetail grooves, the length of the dovetail grooves is equal to that of the dovetail blocks 8, then a waist-shaped limiting block 6 at the bottom end of one bridge base plate 1 is positioned in an inner cavity of a limiting groove 7 at the bottom end of a lower fixing plate 3, then a waist-shaped limiting block 6 at the bottom end of the other bridge base plate 1 is positioned in an inner cavity of a limiting groove 7 at the bottom end of the lower fixing plate 3, an upper fixing plate 4 is pushed to move downwards, a limiting groove 7 at the top end of the upper fixing plate 4 is clamped with the waist-shaped limiting blocks 6 at the top ends of the two bridge cover plates 2, when the upper fixing plate 4 moves downwards, a limiting rod 14 extends into an inner cavity of a fixing block 11 to enable a second spring 13 to be in a compressed state all the time, the upper fixing plate 4 and a limiting telescopic rod compress, under the elastic potential energy effect of second spring 13, make gag lever post 14 and spacing hole 15 match to peg graft, the bottom of an upper fixed plate 4 and the bottom in close contact with of bottom plate 3 simultaneously connect two crane span structure main parts, make the connection between two adjacent crane span structure main parts more stable, the setting of crane span structure bottom plate 1 inner chamber leading wheel 17 makes to be rolling friction between cable and leading wheel 17 when the pulling cable, can reduce the frictional force between cable and the crane span structure main part.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. A tray type cable bridge with good protection effect comprises a plurality of bridge main bodies and a plurality of fixing mechanisms, and is characterized in that each bridge main body comprises a U-shaped bridge bottom plate (1) and a U-shaped bridge cover plate (2), every two adjacent bridge main bodies are fixedly connected through a plurality of fixing mechanisms, a plurality of rotating shafts (16) are rotatably connected between the side walls of the inner cavity of each bridge bottom plate (1), five guide wheels (17) are arranged on each rotating shaft (16), each fixing mechanism comprises a lower fixing plate (3), an upper fixing plate (4), two sliding grooves (9), two connecting rods (10), two limiting telescopic rods, two first springs (12) and two limiting holes (15), the lower fixing plate (3) and the upper fixing plate (4) are arranged in a U shape, one ends of the two connecting rods (10) are fixedly connected with the two sides of the top end of the lower fixing plate (3) respectively, the other ends of the two connecting rods (10) are fixedly connected with the column walls of the two limiting telescopic rods respectively, the two limiting telescopic rods are located in the inner cavities of the two sliding grooves (9) respectively, and the two limiting telescopic rods are matched with the two limiting holes (15) respectively.

2. The tray type cable bridge stand with good protection effect as claimed in claim 1, wherein waist-shaped limit blocks (6) are fixedly arranged at two ends of the opposite sides of the bridge base plate (1) and the bridge cover plate (2), limit grooves (7) matched with the four waist-shaped limit blocks (6) are formed in the opposite sides of the lower fixing plate (3) and the upper fixing plate (4), and the total width of the two waist-shaped limit blocks (6) is greater than the width of the limit grooves (7).

3. The tray type cable bridge with a good protection effect according to claim 1, wherein dovetail grooves are formed in two sides of the top end of the bridge bottom plate (1), and dovetail blocks (8) matched with the two dovetail grooves are fixedly connected to two sides of the bottom end of the bridge cover plate (2).

4. The tray type cable bridge stand with good protection effect as claimed in claim 1, wherein the limiting telescopic rod comprises a fixing block (11), a second spring (13) and a limiting rod (14), one end of the second spring (13) is fixedly connected with one end of the limiting rod (14), the other end of the second spring (13) is fixedly connected with the bottom end of an inner cavity of the fixing block (11), and the second spring (13) is located in the inner cavity of the fixing block (11).

5. The tray type cable bridge frame with good protection effect as claimed in claim 4, wherein the other end of the limiting rod (14) is provided with a spherical groove, and the limiting rod (14) is inserted into the limiting hole (15) in a matching manner.

6. The tray type cable bridge stand with good protection effect as claimed in claim 1, wherein one end of the first spring (12) is fixedly connected with the top end of the inner cavity of the sliding groove (9), and the other end of the first spring (12) is fixedly connected with the column wall of the limiting telescopic rod.

7. The tray-type cable tray as claimed in claim 1, wherein four stoppers are fixedly attached to the rotating shaft (16) and located between two adjacent guide wheels (17).

8. The tray type cable bridge with good protection effect as claimed in claim 1, wherein a plurality of heat-dissipating waist-shaped holes (5) are formed on the opposite surfaces of the bridge base plate (1) and the bridge cover plate (2), and the plurality of waist-shaped holes (5) are uniformly distributed at equal intervals.