CN110867794A

CN110867794A - Circuit bridge frame device

Info

Publication number: CN110867794A
Application number: CN201911312408.1A
Authority: CN
Inventors: 孙爱勤
Original assignee: Shanghai Zhengda Electrical Appliance Group Co Ltd
Current assignee: Shanghai Zhengda Electrical Appliance Group Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-03-06

Abstract

The invention discloses a circuit bridge frame device which comprises more than two groups of bridge frame units which are mutually butted, wherein each group of bridge frame units comprises a bottom plate, a cover plate and two side plates which are mutually spliced, mounting grooves are formed in two sides of each side plate, guide rails matched with the mounting grooves are formed in two sides of the bottom plate, and the side plates and the bottom plate are fixedly connected through a lock catch structure. The design that forms by the plate concatenation, easily deposit the transportation after the shaping, simple structure is convenient for the field assembly fixed, it includes a plurality of crane span structure units that dock each other, every unit all has four board spare concatenations to constitute, constitute the tray unit that holds the cable through two blocks of curb plates and a bottom plate, the both sides of curb plate set up the mounting groove, the bottom plate both sides all set up the guide rail, it realizes the butt joint of curb plate and bottom plate to go into the mounting groove through the parallel cartridge of guide rail and is connected, and cooperate the hasp, accomplish on-the-spot fixed, the direction correction is realized through the unsmooth cooperation of mounting groove and guide rail in the connection between each plate of this structural design, guarantee.

Description

Circuit bridge frame device

Technical Field

The invention relates to the technical field of cable bridge construction, in particular to a line bridge device.

Background

The existing circuit laying adopts a groove type tray structure, namely: integrally forming a capacity tray for laying the cables. The tray structure product in the prior art is generally formed by one-time molding of metal materials or multiple times of combination welding, and has the advantages of large volume, heavy relative weight and large occupied space in production and transportation.

Such a structure causes great inconvenience in transportation, fabrication and installation. The manufacturing cost is high, the finished product is large in size, the transportation is inconvenient, the cost is high, meanwhile, the installation is inconvenient, and the labor cost is high. If the field has errors, the field can not be rectified, which causes the defects of long construction period, high cost and the like. The product is generally produced according to the order, and all items belong to non-standard production, so that the large-batch inventory type production is difficult to realize, and the conditions of serious waste of personnel and resources and the like are caused.

To sum up, how to effectively solve the technical problems of inconvenient transportation, multiple field assembly and use problems, poor universality and the like of the tray for accommodating cables adopted in the current line construction after design and forming is a problem which needs to be solved urgently by technical personnel in the field.

Disclosure of Invention

In view of the above, the present invention is directed to a line bridge device, which has a structural design to effectively solve the technical problems of inconvenient transportation, many problems in field assembly and use, poor versatility, etc. after a tray for accommodating cables is designed and molded in the current line construction.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a circuit bridge frame device, includes the crane span structure unit of mutual butt joint more than two sets of, every group the crane span structure unit is including the bottom plate, apron and two curb plates of mutual concatenation, the both sides of curb plate all are provided with the mounting groove, the both sides of bottom plate all be provided with mounting groove complex guide rail, the curb plate with the bottom plate passes through the hasp structural connection and fixes.

Preferably, in the above-mentioned line bridge device, the side plates are respectively used for completely coinciding with the two side structures connected to the cover plate and the bottom plate, and are symmetrical about the center line of the side plates, and the two side plate structures in the same bridge unit are completely coinciding.

Preferably, in the above-mentioned circuit bridge device, the hasp structure includes spring bolt and lockhole, the spring bolt interval is predetermine the distance and is followed the length direction of curb plate, the spring bolt is located the mounting groove position stretches out to the inslot, the lockhole also interval is predetermine distance evenly distributed in the corresponding position of guide rail, the curb plate passes through spring bolt and lockhole cooperation with the bottom plate and is connected fixedly.

Preferably, in the line bridge frame device, the lock tongues are provided with insertion openings facing in the same direction, and the opening direction of the insertion openings is parallel to the length direction of the side plate; the lock hole side edges on the bottom plate are also provided with inserting openings, and the side plates and the bottom plate are connected through the lock tongues and the inserting openings in the lock holes in an engaged and embedded mode.

Preferably, in the line bridge device, both sides of the side plate are provided with a hemming structure facing the opposite side plate, and the mounting groove is formed by the hemming structures; and the two sides of the bottom plate are also provided with curled edge structures facing the side plate direction, and the guide rail is formed by the curled edge structures.

Preferably, in the line bridge frame device, the lock tongues are formed by integrally connecting corners of cut holes on the plate of the side plate; the two sides of the cover plate are provided with curling structures which are clamped outside the mounting groove, the curling structures are provided with inward-concave bosses at preset intervals, and the side plate and the cover plate are connected through the matching of the bosses and the cut holes in the side plate.

Preferably, in the line bridge device, the line bridge device further includes a connecting plate for butting the bridge unit, a crimping structure is also arranged on one side of the connecting plate for matching with the crimping structure of the side plate to form a plug-in fit, and the connecting plate is tightly attached to two adjacent side plates from the outer side to form a connection.

Preferably, in the line bridge device, a plurality of connecting through holes are uniformly distributed at the end sections on the side plates, connecting through holes are also arranged at corresponding positions of the connecting plates, and the connecting through holes on the side plates and the connecting plates are aligned and matched with auxiliary connecting pieces to realize connection and fixation.

Preferably, in the line bridge device, a plurality of groups of straight reinforcing ribs are uniformly distributed on the bottom plate along the length direction.

Preferably, in the line bridge device, a plurality of groups of annular reinforcing rib holes are uniformly distributed on the bottom plate along the length direction, a longitudinal inter-hole reinforcing rib is further arranged between adjacent annular reinforcing rib holes, and a cable fixing hole is arranged between adjacent longitudinal inter-hole reinforcing ribs.

Preferably, there are a plurality of long semicircle shaping muscle along length direction evenly distributed on the bottom plate, it is a plurality of long semicircle shaping muscle is all followed bottom plate width direction extends and is parallel to each other, and is adjacent all be provided with the edge between the long semicircle shaping muscle a plurality of circle bumps of bottom plate width direction evenly distributed.

Preferably, outer ring pressing ribs are uniformly distributed on the bottom plate along the length direction, and forming bosses are buckled in the outer ring pressing ribs.

Preferably, the molding boss is a groove-shaped boss or a ladder-shaped boss.

The invention provides a circuit bridge device which comprises more than two groups of bridge units which are mutually butted, wherein each group of bridge units comprises a bottom plate, a cover plate and two side plates which are mutually spliced, mounting grooves are formed in two sides of each side plate, guide rails matched with the mounting grooves are arranged in two sides of the bottom plate, and the side plates and the bottom plate are fixedly connected through a locking structure. This circuit crane span structure device has given a design that is formed by the plate concatenation, easily deposit the transportation after the shaping, simple structure is convenient for the field assembly fixed, it includes a plurality of crane span structure units that dock each other, every unit all has four boards of board piece concatenation to constitute, constitute the tray unit that holds the cable through two blocks of curb plates and a bottom plate, the both sides of curb plate set up the mounting groove, the bottom plate both sides all set up the guide rail, it realizes the butt joint of curb plate and bottom plate to go into the mounting groove through the parallel cartridge of guide rail and is connected, and cooperate the hasp, accomplish on-the-spot fixed, connection between each plate of this structural design realizes the direction through the unsmooth cooperation of mounting groove and guide rail and rectifies, guarantee the quality of butt joint, and accomplish the structure locking after the butt joint through the hasp structure, no longer use the technical means such. In conclusion, the line bridge frame device provided by the invention has the advantages of simple structure, unified relative design, adaptability to different practical conditions, simplicity in field butt joint and assembly, low labor cost in operation and capability of effectively solving the technical problems of inconvenience in transportation, multiple field assembly and use problems, poor universality and the like after the tray for accommodating cables adopted in the existing line construction is designed and formed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a bridge unit in a line bridge apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a docking portion of a bridge unit in a line bridge apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an end face structure of a bridge unit in a line bridge apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a side plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 5 is a partial structural view of the area A in FIG. 4;

FIG. 6 is a schematic diagram illustrating a partial structure of a base plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 7 is a partial structural view of the area B in FIG. 6;

fig. 8 is a partial structural view illustrating a bottom plate and a side plate of a circuit bridge apparatus according to an embodiment of the present invention after being integrally connected;

FIG. 9 is a partial structural view of the region D in FIG. 8;

FIG. 10 is a schematic view of a portion of a cover plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 11 is a partial structural view of the region C in FIG. 10;

FIG. 12 is a schematic view of a portion of another alternative backplane of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 13 is a schematic view of a portion of a third base plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 14 is a schematic diagram illustrating a portion of a fourth exemplary backplane of a circuit bridge assembly in accordance with an embodiment of the present invention;

FIG. 15 is a schematic diagram illustrating a portion of a fifth base plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 16 is a schematic diagram illustrating a portion of a sixth base plate of a circuit bridge assembly according to an embodiment of the present invention;

FIG. 17 is a schematic end view of another embodiment of a bridge unit of a line bridge apparatus;

fig. 18 is a schematic end view of a bridge unit of another line bridge apparatus according to an embodiment of the present invention.

The drawings are numbered as follows:

the cable fixing structure comprises a bottom plate 1, side plates 2, a cover plate 3, a crimping structure 4, a cut hole 5, a connecting through hole 6, a boss 7, a bridge unit 8, a connecting plate 9, a bolt 10, a socket 11, a lock hole 12, an annular reinforcing rib hole 13, a longitudinal inter-hole reinforcing rib 14, a cable fixing hole 15, a straight reinforcing rib 16, a regular hole 17, a long semicircular forming rib 18, a round convex point 19, an outer ring pressing rib 20, a groove-shaped boss 21 and a ladder-shaped boss 22.

Detailed Description

The embodiment of the invention discloses a line bridge device, which aims to solve the technical problems that a tray for accommodating cables adopted in the existing line construction is inconvenient to transport after being designed and molded, has multiple field assembly and use problems and is poor in universality.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, fig. 1 is a schematic structural diagram of a bridge unit in a circuit bridge apparatus according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a docking portion of a bridge unit in a line bridge apparatus according to an embodiment of the present invention; FIG. 3 is a schematic diagram of an end face structure of a bridge unit in a line bridge apparatus according to an embodiment of the present invention; FIG. 4 is a schematic diagram illustrating a side plate of a circuit bridge assembly according to an embodiment of the present invention; FIG. 5 is a partial structural view of the area A in FIG. 4; FIG. 6 is a schematic diagram illustrating a partial structure of a base plate of a circuit bridge assembly according to an embodiment of the present invention; FIG. 7 is a partial structural view of the area B in FIG. 6; fig. 8 is a partial structural view illustrating a bottom plate and a side plate of a circuit bridge apparatus according to an embodiment of the present invention after being integrally connected; FIG. 9 is a partial structural view of the region D in FIG. 8; FIG. 10 is a schematic view of a portion of a cover plate of a circuit bridge assembly according to an embodiment of the present invention; FIG. 11 is a partial structural view of the region C in FIG. 10; FIG. 12 is a schematic view of a portion of another alternative backplane of a circuit bridge assembly according to an embodiment of the present invention; FIG. 13 is a schematic view of a portion of a third base plate of a circuit bridge assembly according to an embodiment of the present invention; FIG. 14 is a schematic diagram illustrating a portion of a fourth exemplary backplane of a circuit bridge assembly in accordance with an embodiment of the present invention; FIG. 15 is a schematic diagram illustrating a portion of a fifth base plate of a circuit bridge assembly according to an embodiment of the present invention; fig. 16 is a partial structural diagram of a sixth base plate of a line bridge apparatus according to an embodiment of the present invention.

The invention provides a circuit bridge device which comprises more than two groups of bridge units 8 which are mutually butted, wherein each group of bridge units 8 comprises a bottom plate 1, a cover plate 3 and two side plates 2 which are mutually spliced, mounting grooves are formed in two sides of each side plate 2, guide rails matched with the mounting grooves are formed in two sides of each bottom plate 1, and the side plates 2 and the bottom plates 1 are fixedly connected through a locking structure.

The embodiment provides a design of circuit crane span structure device that is formed by plate concatenation, easily deposit the transportation after the shaping, simple structure is convenient for the field assembly fixed, it includes a plurality of crane span structure units 8 that dock each other, every unit all has four board spare concatenations to constitute, constitute the tray unit that holds the cable through two curb plates 2 and a bottom plate 1, the both sides of curb plate 2 set up the mounting groove, bottom plate 1 both sides all set up the guide rail, it realizes the butt joint of curb plate 2 and bottom plate 1 to go into the mounting groove through the parallel cartridge of guide rail, and cooperate the hasp, accomplish on-the-spot fixed, connection between each plate of this structural design realizes the direction through the unsmooth cooperation of mounting groove and guide rail and rectifies, guarantee the quality of butt joint, and accomplish the structural locking after the butt joint through the hasp structure, no longer use the technical means of welding etc., the degree of difficulty.

In conclusion, the line bridge frame device provided by the invention has the advantages of simple structure, unified relative design, adaptability to different practical conditions, simple field butt joint and assembly, low labor cost in operation and the like, and effectively solves the technical problems of inconvenient transportation, more field assembly and use problems, poor universality and the like after the tray for accommodating cables adopted in the current line construction is designed and formed.

The side plates 2 are respectively used for being completely consistent with the structures of the two sides connected with the cover plate 3 and the bottom plate 1, the structures are symmetrical about the center line of the side plates 2, and the structures of the two side plates 2 in the same bridge unit 8 are completely consistent. The technical scheme that this embodiment provided has further optimized the commonality of design, and reduced the equipment degree of difficulty, and the curb plate 2 structure of the same crane span structure unit 8 left and right sides is identical completely, and this is just reduced the manufacturing cost of curb plate 2, and need not distinguish about during the equipment again, has reduced the assembly degree of difficulty, and curb plate 2 design is also symmetrical about the central line simultaneously, this is that curb plate 2 is used for the both sides structure of being connected with bottom plate 1 and apron 3 unanimously, need not to distinguish when making the equipment equally and has reduced the assembly degree of difficulty from top to bottom.

The lock catch structure comprises lock tongues 10 and lock holes 12, the lock tongues 10 are spaced at a preset distance along the length direction of the side plate 2, the lock tongues 10 are positioned in the installation groove and extend into the groove, the lock holes 12 are also uniformly distributed at corresponding positions of the guide rail at intervals of the preset distance, and the side plate 2 and the bottom plate 1 are matched, connected and fixed through the lock tongues 10 and the lock holes 12; on the basis of the design, furthermore, the lock tongues 10 are all provided with inserting ports 11 facing to the same direction, and the opening direction of the inserting ports 11 is parallel to the length direction of the side plate 2; the side edges of the lock holes 12 on the bottom plate 1 are also provided with inserting holes 11, and the side plates 2 and the bottom plate 1 are connected through mutual engagement and embedding of the inserting holes 11 on the lock tongues 10 and the lock holes 12.

Among the technical scheme that this embodiment provided, given the concrete design of hasp structure, the hasp structure includes complex spring bolt 10 and lockhole 12, and spring bolt 10 is located the mounting groove of curb plate 2, and lockhole 12 is located bottom plate 1's guide rail position, and when curb plate 2 and bottom plate 1 concatenation, through the process of guide rail slip plug-in mounting groove, spring bolt 10 also can push into lockhole 12, and it is spacing to form to lock effectively.

Furthermore, the opposite insertion holes 11 are formed in the bolt 10 and the lock hole 12, so that when the bolt 10 is inserted into the lock hole 12 in a sliding manner, the insertion holes 11 which are mutually embedded form further firm limit, and the firm locking degree of the lock catch structure is improved.

The two sides of the side plate 2 are both provided with a hemming structure 4 facing the side plate 2 at the opposite side, and a mounting groove is formed by the hemming structures 4; the two sides of the bottom plate 1 are also provided with a hemming structure 4 facing the side plate 2, and the hemming structure 4 forms a guide rail. The technical scheme that this embodiment provided has optimized the structural design of mounting groove and guide rail, and it is the turn-up structure 4 constitution at plate edge, and this simple structure, accessible rolling mode shaping, the processing of being convenient for just can provide the spacing effect of good cartridge to can promote plate intensity.

The lock tongues 10 are formed by integrally connecting the corners of the cut holes 5 on the plate of the side plate 2; both sides of apron 3 are provided with turn-up structure 4, and turn-up structure 4 clamps in the mounting groove outside, and every interval preset distance all is provided with the boss 7 of indent on turn-up structure 4, through the cooperation of boss 7 and the tangent hole 5 on curb plate 2, connects curb plate 2 and apron 3.

The technical scheme provided by the embodiment optimizes the forming design of the lock tongue 10, the lock tongue 10 is formed by cutting a hole 5 in the side plate 2, the corner plate piece obtained by the cut hole 5 is not removed, the base part and the plate piece are integrally connected, the extending part is used as the lock tongue 10, and the through hole directly obtained by the cut hole 5 is used as a structure for being in limit fit with the boss 7 on the cover plate 3. This technical scheme obtains the structure that is used for being connected with curb plate 2 and apron 3 simultaneously on the curb plate 2 through same manufacturing procedure, has simplified production processes, the cost is reduced.

The circuit bridge device further comprises a connecting plate 9 used for butting the bridge unit 8, a crimping structure 4 is also arranged on one side of the connecting plate 9 and used for being matched with the crimping structure 4 of the side plate 2 to form insertion fit, and the connecting plate 9 is tightly attached to two adjacent side plates 2 from the outer side to form connection. A plurality of connecting through holes 6 are uniformly distributed at the end head section on the side plate 2, the connecting through holes 6 are also arranged at the corresponding positions of the connecting plates 9, and the side plate 2 is aligned with the connecting through holes 6 on the connecting plates 9 and is matched with an auxiliary connecting piece to realize connection and fixation.

The technical solution provided in this embodiment further provides a docking manner between adjacent bridge units 8, that is, the docking manner is implemented by using a connection plate 9, two sides of the connection plate 9 are respectively connected and fixed with respective side plates 2 of the adjacent bridge units 8, and since the same bridge unit 8 has two side plates 2, the connection between two groups of bridge units 8 is preferably completed by using two connection plates 9.

A plurality of groups of straight reinforcing ribs 16 are uniformly distributed on the bottom plate 1 along the length direction, or the reinforcing ribs and the regular holes 17 are arranged at the same time; or, a plurality of groups of annular reinforcing rib holes 13 are uniformly distributed on the bottom plate 1 along the length direction, longitudinal inter-hole reinforcing ribs 14 are further arranged between the adjacent annular reinforcing rib holes 13, and cable fixing holes 15 are arranged between the adjacent longitudinal inter-hole reinforcing ribs 14.

The technical scheme provided by the embodiment provides three common designs of the bottom plate 1 respectively, namely a groove-type imperforate reinforcing forming rib, a tray-type perforate reinforcing rib, a ladder-type forming ladder stop and a reinforcing forming rib, so as to adapt to different application scenes and assembly requirements.

A plurality of long semicircular forming ribs 18 can be uniformly distributed on the bottom plate 1 along the length direction, the long semicircular forming ribs 18 extend along the width direction of the bottom plate 1 and are parallel to each other, a plurality of circular convex points 19 uniformly distributed along the width direction of the bottom plate 1 are arranged between every two adjacent long semicircular forming ribs 18, namely, a plurality of circular convex points 19 are arranged in intervals formed by the long semicircular forming ribs 18, specifically, three circular convex points 19 can be arranged in each interval, and the number can be adjusted according to the condition and is within the protection range of the invention.

In the device provided by the embodiment of the invention, outer ring pressing ribs 20 are uniformly distributed on the bottom plate 1 along the length direction, the outer ring pressing ribs 20 are in an annular structure, and a forming boss 7 is buckled at the inner ring of the annular structure. The forming boss 7 may be a groove-shaped boss 21, that is, includes two transverse bosses 7, the extending direction of which is parallel to the width direction of the base plate 1, and a transverse groove is formed between the two transverse bosses 7. The shaped projection 7 may also be a ladder-shaped projection 22, i.e. comprising two transverse projections 7 extending parallel to the width of the base plate 1, wherein a plurality of longitudinal projections 7 are arranged in front of the two transverse projections 7 to form a ladder shape.

The bottom plate 1 is punched and formed into a required structure by a punch press, certain reinforcing ribs or reinforcing ribs among holes are punched, the bottom plate 1 is formed into a corrugated shape by rolling forming, namely, the structure of the guide rail is obtained, a concave-convex rib-shaped structure in the direction of the extension degree is manufactured, the strength is improved, and the guide rails connected with the side plates 2 are arranged on the left side and the right side.

The corrugated type is formed by the bottom plate 1, the corrugated type is assembled by the bottom plate 1 and the side plates 2, the bottom is flushed, the situation that deformation cannot be generated radially after cable laying is guaranteed, the guide rails on the two sides of the bottom plate 1 are connected with the mounting grooves of the side plates 2 in a dual-connection mode, the radial direction is controlled and bearing force is provided by the mounting grooves, the axial direction is connected with the spring bolt 10 in the mounting groove through the lock hole 12 in the guide rail, the spring bolt 10 is located and assembled, the spring bolt is interlocked with the lock hole 12, and the whole structure is locked by fixing the width.

The technical scheme of each embodiment is to modularize and unify the design of the line bridge frame device so as to reduce the cost of production, storage, transportation and assembly, so as to adapt to different scene requirements, the following different standard models are provided: preferably, the height of the side plate 2 is set to four specifications of 75, 100, 150 and 200, and the bottom plate 1 can be customized to 9 specifications of 100, 150, 200, 300, 400, 500, 600, 800, 1000 and the like according to the specification.

Referring to fig. 17 and 18, fig. 17 is a schematic end view of a bridge unit in another line bridge apparatus according to an embodiment of the present invention; fig. 18 is a schematic end view of a bridge unit of another line bridge apparatus according to an embodiment of the present invention.

The attached figures of the specification show another design of the side plate 2 and the corresponding bottom plate 1 and cover plate 3, and in the design, the side plate 2 adopts a design with different sizes of upper and lower curled edges, so that the design of the bottom plate 1 and the cover plate 3 can be unified, the structures of the bottom plate 1 and the cover plate 3 are consistent, the component design is further simplified, and the production and processing difficulty is reduced.

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.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a circuit bridge frame device, its characterized in that includes more than two sets of crane span structure units (8) that dock each other, every group crane span structure unit (8) are including bottom plate (1), apron (3) and two curb plates (2) of splicing each other, the both sides of curb plate (2) all are provided with the mounting groove, the both sides of bottom plate (1) all be provided with mounting groove complex guide rail, curb plate (2) with bottom plate (1) are connected fixedly through the hasp structure.

2. Line bridge installation according to claim 1, characterised in that the side plates (2) are configured to be identical for the two sides of the connection with the cover plate (3) and the base plate (1), respectively, symmetrically with respect to the median line of the side plates (2), and the two side plates (2) within the same bridge unit (8).

3. The line bridge frame device of claim 2, wherein the lock catch structure comprises a lock tongue (10) and a lock hole (12), the lock tongue (10) is arranged at a preset interval along the length direction of the side plate (2), the lock tongue (10) is arranged at the installation groove and extends out of the installation groove, the lock hole (12) is also arranged at a preset interval and is uniformly distributed at the corresponding position of the guide rail, and the side plate (2) and the bottom plate (1) are connected and fixed in a matched mode through the lock tongue (10) and the lock hole (12).

4. A line bridge structure device according to claim 3, wherein the locking tongues (10) are provided with insertion openings (11) facing in the same direction, the opening direction of the insertion openings (11) being parallel to the length direction of the side plate (2); the side edges of the lock holes (12) in the bottom plate (1) are also provided with inserting holes (11), and the inserting holes (11) are mutually meshed, embedded and connected with the side plates (2) and the bottom plate (1) through the lock tongues (10) and the lock holes (12).

5. Line bridge device according to claim 2, characterized in that both sides of the side plate (2) are provided with a crimping structure (4) towards the opposite side plate (2), the mounting groove being constituted by the crimping structure (4); and two sides of the bottom plate (1) are also provided with curling structures (4) facing the side plates (2), and the guide rails are formed by the curling structures (4).

6. The line bridge frame device according to any one of claims 3 to 5, wherein the locking tongues (10) are formed by integrally connecting the corners of the cut-out holes (5) on the plate of the side plate (2); both sides of apron (3) are provided with turn-up structure (4), turn-up structure (4) clamp in the mounting groove outside, every interval preset distance all is provided with boss (7) of indent on turn-up structure (4), through the cooperation of boss (7) and curb plate (2) cut-off hole (5), connect curb plate (2) and apron (3).

7. Line bridge device according to claim 6, further comprising a connection plate (9) for docking the bridge unit (8), wherein the connection plate (9) is also provided with a crimping structure (4) on one side for engaging the crimping structure (4) of a side plate (2) to form a plug-in fit, and wherein the connection plate (9) abuts against two adjacent side plates (2) from the outside to form a connection.

8. The line bridge frame device according to claim 7, wherein a plurality of connecting through holes (6) are uniformly distributed on the end sections of the side plates (2), the connecting through holes (6) are also arranged at corresponding positions of the connecting plates (9), and the side plates (2) are aligned with the connecting through holes (6) on the connecting plates (9) and matched with auxiliary connecting pieces to realize connection and fixation.

9. A line bridge frame device according to claim 6, wherein a plurality of groups of straight reinforcing ribs (16) are uniformly distributed on the bottom plate (1) along the length direction.

10. The line bridge frame device according to claim 6, wherein a plurality of groups of annular reinforcing rib holes (13) are uniformly distributed on the bottom plate (1) along the length direction, longitudinal inter-hole reinforcing ribs (14) are further arranged between adjacent annular reinforcing rib holes (13), and cable fixing holes (15) are arranged between adjacent longitudinal inter-hole reinforcing ribs (14).

11. The line bridge device of claim 1, wherein a plurality of long semicircular forming ribs (18) are uniformly distributed on the bottom plate (1) along the length direction, the long semicircular forming ribs (18) extend along the width direction of the bottom plate (1) and are parallel to each other, and a plurality of round convex points (19) are uniformly distributed between the adjacent long semicircular forming ribs (18) along the width direction of the bottom plate (1).

12. The line bridge device of claim 1, wherein outer ring pressing ribs (20) are uniformly distributed on the bottom plate (1) along the length direction, and forming bosses (7) are buckled in the outer ring pressing ribs (20).

13. Line bridge device according to claim 12, characterized in that said shaped boss (7) is embodied as a groove-shaped boss (21) or as a ladder-shaped boss (22).