CN217769349U - Cable bridge - Google Patents

Abstract

The application relates to a cable bridge, which comprises a first bridge, a second bridge and a third bridge; the first bridge frame is provided with a first cable installation cavity section, the second bridge frame is provided with a second cable installation cavity section, the third bridge frame is provided with a third cable installation cavity section, the first end of the first bridge frame is rotatably connected with the first end of the second bridge frame, the second end of the second bridge frame is rotatably connected with the first end of the third bridge frame, and the first cable installation cavity section is sequentially communicated with the second cable installation cavity section and the third cable installation cavity section to form a cable installation cavity. This application has realized folding again behind the crane span structure installation cable, need not get into the scene and installs the cable again, has improved the operating efficiency effectively.

Description

Cable bridge

Technical Field

The application relates to the technical field of cable testing bridges, in particular to a cable testing bridge.

Background

Cable bridges are used to protect cables, while existing cable bridges are divided into structures such as groove, tray, ladder and grid, and are composed of brackets, support arms and mounting accessories. The inner bridge frame of the building can be independently erected and also can be laid on various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized, and the inner bridge frame is arranged on an outdoor bridge frame outside the building. Generally, the bridge is composed of a bridge groove body and a cover plate, and is formed by processing a steel plate through processes of shearing, folding, punching, welding and the like. The groove body structure is an integral fixed structure, has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like, and can achieve the bearing and bending resistance required by bridges of different specifications by adopting different steel plate thicknesses.

With the increasing use of cables, the lengths and field spans of the cables are increased, the requirements on cable bridges are increased, and the length of the bridge is increased, so that the transportability of the bridge is influenced. In the prior art for solving the problems, the cable bridge frame compresses the volume by folding the side wall of the cable bridge frame or arranging a telescopic device so as to reduce the volume during transportation. In the practical application process, the bending angle is too large or the actual length of the cable is increased in the bending process, so that the cable is abraded or damaged in the bending process, the cable needs to be further installed only when the cable bridge reaches the laying place, and the actual installation efficiency is low.

Disclosure of Invention

The application provides a cable crane span structure to solve current cable crane span structure and can not fold and transport after the installation cable, need the on-the-spot installation cable, lead to the problem that operating efficiency is low.

The application provides a cable testing bridge, include: a first bridge having a first cable mounting cavity section; a second bridge having a second cable mounting cavity section; a third bridge having a third cable-mounting cavity section. The first end of the first bridge frame is rotatably connected with the first end of the second bridge frame, the second end of the second bridge frame is rotatably connected with the first end of the third bridge frame, and the first cable installation cavity section is sequentially communicated with the second cable installation cavity section and the third cable installation cavity section to form a cable installation cavity.

Further, first crane span structure includes first cell body, and the second crane span structure includes the second cell body, and the third crane span structure includes the third cell body, and the first end of first cell body diapire rotationally is connected with the one end of second cell body diapire, and the other end of second cell body diapire rotationally is connected with the one end of third cell body diapire.

Furthermore, a first limiting assembly is arranged between the first groove body and the second groove body, a second limiting assembly is arranged between the second groove body and the third groove body, the first limiting assembly limits the angle alpha between the bottom wall in the groove of the first groove body and the bottom wall in the groove of the second groove body to be less than or equal to 180 degrees, and the second limiting assembly limits the angle beta between the bottom wall in the groove of the third groove body and the bottom wall in the groove of the second groove body to be less than or equal to 180 degrees.

Further, the first limiting assembly comprises a first connecting rod, a second connecting rod and a first locking rod, the second limiting assembly comprises a third connecting rod, a fourth connecting rod and a second locking rod, the first end of the first connecting rod is rotatably arranged on the side wall of the first groove body, the second end of the first connecting rod is rotatably connected with the first end of the second connecting rod, the second end of the second connecting rod is rotatably connected with the side wall of the second bridge frame, the first end of the first locking rod is rotatably arranged on the second connecting rod, when the first connecting rod is parallel to the second connecting rod, the second end of the first locking rod is provided with a first clamping groove, and the first clamping groove is clamped with a first locking lug arranged on the first connecting rod; the first end of the third connecting rod is rotatably arranged on the side wall of the second groove body, the second end of the third connecting rod is rotatably connected with the first end of the fourth connecting rod, the second end of the fourth connecting rod is rotatably connected with the side wall of the third bridge, the first end of the second locking rod is rotatably arranged on the fourth connecting rod, when the third connecting rod is parallel to the fourth connecting rod, the second end of the second locking rod is provided with a second clamping groove, and the second clamping groove is clamped with a second locking lug arranged on the third connecting rod.

Furthermore, the first groove body comprises a first side plate and a second side plate, the second groove body comprises a third side plate and a fourth side plate, the third groove body comprises a fifth side plate and a sixth side plate, the distance between the first side plate and the second side plate, the distance between the third side plate and the fourth side plate and the distance between the fifth side plate and the sixth side plate are equal, and the thicknesses of the first side plate, the second side plate, the third side plate, the fourth side plate, the fifth side plate and the sixth side plate are equal.

Furthermore, the angles between one side of the first side plate close to the third side plate and one side of the second side plate close to the fourth side plate and the bottom wall of the first groove body groove are both A, the angles between one side of the second side plate close to the first side plate and one side of the fourth side plate close to the second side plate and the bottom wall of the second groove body groove are both B, the sum of the angle A and the angle B is 90 degrees, the angles between one side of the third side plate close to the fifth side plate and one side of the fourth side plate close to the sixth side plate and the bottom wall of the second groove body groove are both C, the angles between one side of the fifth side plate close to the third side plate and one side of the sixth side plate close to the fourth side plate and the bottom wall of the third groove body groove are both D, and the sum of the angle C and the angle D is 90 degrees.

Further, the second bridge frame further comprises a turning cover body, the turning cover body comprises a connecting plate, a seventh side plate and an eighth side plate, and the connecting plate is rotatably connected with the fifth side plate and the sixth side plate respectively.

Further, the seventh side plate includes a first V-shaped block and a second V-shaped block, the eighth side plate includes a third V-shaped block and a fourth V-shaped block, a first V-shaped groove may be formed between the first side plate and the third side plate, a second V-shaped groove may be formed between the second side plate and the fourth side plate, a third V-shaped groove may be formed between the fifth side plate and the third side plate, and a fourth V-shaped groove may be formed between the sixth side plate and the fourth side plate; the overturning body can be overturned and matched with the first groove body, the second groove body and the third groove body, the first V-shaped block is inserted into the first V-shaped groove, the second V-shaped block is inserted into the third V-shaped groove, the third V-shaped block is inserted into the second V-shaped groove, the fourth V-shaped block is inserted into the fourth V-shaped groove, and the overturning body and the second groove body form a second cable installation cavity section.

Furthermore, the third bridge further comprises a support connecting rod group, the support connecting rod group is arranged at one end, far away from the second groove body, of the third bridge, and the support connecting rod group is used for supporting the first bridge after the first bridge is turned over.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the method provided by the embodiment of the application provides a cable bridge, wherein the cable bridge comprises a first bridge, a second bridge and a third bridge; the first bridge frame is provided with a first cable installation cavity section, the second bridge frame is provided with a second cable installation cavity section, the third bridge frame is provided with a third cable installation cavity section, the first end of the first bridge frame is rotatably connected with the first end of the second bridge frame, the second end of the second bridge frame is rotatably connected with the first end of the third bridge frame, and the first cable installation cavity section is sequentially communicated with the second cable installation cavity section and the third cable installation cavity section to form a cable installation cavity. Through the rotatable coupling between first crane span structure and second crane span structure and the third crane span structure, when cable installation cavity segmentation design has realized that the crane span structure is folding, but cable installation cavity section folding combination, folding make the whole length of crane span structure reduce, the transportation of being convenient for. After this application has realized the cable installation and has entered the crane span structure, the crane span structure is folded again and is convenient for transport in order to reduce the length of crane span structure, and crane span structure and cable need not be installed once more after getting into the scene simultaneously, have improved field operation's efficiency effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic perspective view illustrating a cable tray according to an embodiment of the present disclosure;

FIG. 2 illustrates a perspective view of the cable tray of FIG. 1 after folding;

FIG. 3 illustrates a front view schematic of the cable tray of FIG. 1;

FIG. 4 illustrates a partial schematic view of the cable tray of FIG. 1;

FIG. 5 illustrates a schematic view of a cable mounting cavity of the cable tray of FIG. 1;

FIG. 6 is a schematic view illustrating an unfolded state of the cable tray of FIG. 1;

FIG. 7 shows a schematic cross-sectional view of the cable tray of FIG. 1 in a cable direction;

fig. 8 shows a cross-sectional schematic view of the cable tray of fig. 1 after folding.

Wherein the figures include the following reference numerals:

1. a cable set; 2. a cable interface; 10. a first bridge frame; 11. a first tank body; 111. a first side plate; 112. a second side plate; 12. a first cover plate; 20. a second bridge; 21. a second tank body; 211. a third side plate; 212. a fourth side plate; 22. turning over the cover body; 30. a third bridge frame; 31. a third tank body; 311. a fifth side plate; 312. a sixth side plate; 32. a second cover plate; 33. a support linkage; 40. a first limiting component; 41. a first link; 42. a second link; 43. a first locking lever; 50. a second limiting component; 51. a third link; 52. a fourth link; 53. a second locking lever; 60. a lifting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

As shown in fig. 1 and 2, an embodiment of the present application provides a cable tray, including: the cable installation structure comprises a first bridge frame 10, a second bridge frame 20 and a third bridge frame 30, wherein the first bridge frame 10 is provided with a first cable installation cavity section, the second bridge frame 20 is provided with a second cable installation cavity section, the third bridge frame 30 is provided with a third cable installation cavity section, and the first cable installation cavity section is sequentially communicated with the second cable installation cavity section and the third cable installation cavity section to form a cable installation cavity. The first end of the first bridge 10 is rotatably connected to the first end of the second bridge 20 and the second end of the second bridge 20 is rotatably connected to the first end of the third bridge 30.

Through the rotatable connection between the first bridge frame 10 and the second bridge frame 20 and between the second bridge frame 20 and the third bridge frame 30, the folding combination of the cable installation cavity sections is realized while the bridge frame is folded through the segmented design of the cable installation cavity, and the folding enables the overall length of the bridge frame to be reduced, so that the transportation is facilitated. After this application has realized the cable installation and has entered the crane span structure, the crane span structure is folded again and is convenient for transport in order to reduce the length of crane span structure, and crane span structure and cable need not be installed once more after getting into the scene simultaneously, have improved field operation's efficiency effectively.

As shown in fig. 1 to fig. 5, in the technical solution of the embodiment of the present application, the first bridge 10 includes a first tank 11, the second bridge 20 includes a second tank 21, the third bridge 30 includes a third tank 31, a first end of a bottom wall of the first tank 11 is rotatably connected to one end of a bottom wall of the second tank 21, and another end of the bottom wall of the second tank 21 is rotatably connected to one end of a bottom wall of the third tank 31. Specifically, in the technical scheme of this application embodiment, realize rotationally connecting through setting up the fixed axle between first cell body 11 and the second cell body 21, the one end welding pipe that is close to second cell body 21 at first cell body 11, second cell body 21 is close to the one end welding pipe of first cell body 11, two places pipe internal diameters are the same, pipe length cooperation sets up, length is less than the width of first cell body 11 and second cell body 21 after the pipe cooperation, insert the fixed axle in the complex pipe, fixed axle one end diameter is greater than the pipe diameter, partly diameter slightly is less than the pipe with pipe complex body of rod, insert the bolt in the pinhole of the other end of pipe after the assembly, the fixed axle is fixed in the pipe this moment, first cell body 11 realizes rotatable the connection with second cell body 21. The second groove body 21 and the third groove body 31 are also rotatably connected through arranging a circular tube. In the technical solution of the embodiment of the present application, the rotatable connection between the adjacent groove bodies is not limited to using circular pipes and fixed shafts, and may also be implemented by adding hinges.

As shown in fig. 3 and 4, in the technical solution of the embodiment of the present application, a first limiting component 40 is disposed between the first tank body 11 and the second tank body 21, a second limiting component 50 is disposed between the second tank body 21 and the third tank body 31, the first limiting component 40 limits an angle α between an inner bottom wall of the first tank body 11 and an inner bottom wall of the second tank body 21 to be less than or equal to 180 °, and the second limiting component 50 limits an angle β between an inner bottom wall of the third tank body 31 and an inner bottom wall of the second tank body 21 to be less than or equal to 180 °. The relative rotation direction between the first groove body 11 and the second groove body 21 and the relative rotation direction between the second groove body 21 and the third groove body 31 are limited through the arrangement of the first limiting component 40 and the second limiting component 50, namely, the first groove body 11 only rotates along the opening direction of the first groove body 11, in the process, the space enclosed by the first groove body 11 is overlapped with the space enclosed by the second groove body 21, the actual installation space of the cable group 1 is relatively reduced, the reduction direction is along the direction of the cable installation cavity, namely, the installation length of the cable group 1 is reduced, the actual length of the cable group 1 is larger than the installation length at the moment, a certain gap exists between the cable installation cavity and the cable group 1, so that the redundant length part of the cable group 1 can be contained in the cable installation cavity, the structure of the second limiting component 50 is the same as that of the first limiting component, the arrangement mode is also the same, and the arrangement mode is the same as that of the first limiting component 40.

As shown in fig. 3 and fig. 4, in the technical solution of the embodiment of the present application, the first limiting assembly 40 includes a first connecting rod 41, a second connecting rod 42, and a first locking rod 43, the second limiting assembly 50 includes a third connecting rod 51, a fourth connecting rod 52, and a second locking rod 53, a first end of the first connecting rod 41 is rotatably disposed on a side wall of the first trough 11, a second end of the first connecting rod 41 is rotatably connected with a first end of the second connecting rod 42, a second end of the second connecting rod 42 is rotatably connected with a side wall of the second bridge 20, a first end of the first locking rod 43 is rotatably disposed on the second connecting rod 42, a second end of the first locking rod 43 is disposed with a first locking slot, and when the first connecting rod 41 is parallel to the second connecting rod 42, the first locking slot is engaged with a first locking protrusion disposed on the first connecting rod 41; the first end of the third link 51 is rotatably disposed on the sidewall of the second slot 21, the second end of the third link 51 is rotatably connected to the first end of the fourth link 52, the second end of the fourth link 52 is rotatably connected to the sidewall of the third bridge 30, the first end of the second locking lever 53 is rotatably disposed on the fourth link 52, the second end of the second locking lever 53 is disposed with a second locking slot, and when the third link 51 is parallel to the fourth link 52, the second locking slot is engaged with the second locking protrusion disposed on the third link 51.

As shown in fig. 3 and 4, in the technical solution of the embodiment of the present application, the rotation angle setting between the first groove body 11 and the second groove body 21 is realized by providing the first limiting component 40 between the two, specifically, the first connecting rod 41 is disposed on one side of one of the side plates of the first groove body 11 facing the groove body, a cylindrical bump is disposed on the side, the corresponding first connecting rod 41 is a long-strip-shaped metal plate, the two ends of the first connecting rod 41 are arc-shaped, the two ends of the first connecting rod 41 are provided with circular holes, the diameter of the circular hole far away from one end of the second groove body 21 is in clearance fit with the cylindrical bump, a first locking block is disposed between the two circular holes of the first connecting rod 41, the first locking block is cylindrical, and the first connecting rod 41 is disposed in the groove. The second groove body 21 and the first groove body 11 are provided with a side plate corresponding to the side plate provided with the cylindrical convex block, the cylindrical convex block is arranged, a second connecting rod 42 is long strip-shaped metal plate, two ends of the second connecting rod are arc-shaped, round holes are formed in two ends of the second connecting rod 42, the diameter of the round hole far away from one end of the first groove body 11 is in clearance fit with the cylindrical convex block, the diameter of the round hole close to one end of the first connecting rod 42 is equal to that of the round hole close to the second groove body 21 of the first connecting rod 41, a fixing shaft is inserted in a superposition mode of the round holes during installation, the first connecting rod 41 can rotate relative to the second connecting rod 42, the cylindrical convex block is arranged between the two round holes of the second connecting rod 42 and used for installing the first locking rod, the first locking rod 43 is made of metal plate, the round hole is arranged at one end of the first locking rod and is in clearance fit with the cylindrical convex block of the second connecting rod 42, the first locking rod 43 can rotate relative to the second connecting rod 42, a round slot is arranged along one side of the length direction, and the slot is not matched with the first locking rod 42 when the first connecting rod 41 and the second connecting rod 42 are in the same straight line. The distance between the installation positions of the first link 41 and the first tank 11 and the bottom wall of the first tank 11 is equal to the distance between the installation positions of the second link 42 and the second tank 21 and the bottom wall of the second tank 21, and the length of the first link 41 is equal to that of the second link 42. The second limiting component 50 is arranged in the same manner and has the same structure, and is used for limiting the rotation angle between the second chute body 21 and the third chute body 31. The advantage that sets up like this is that, and spacing subassembly sets up inside the cable installation cavity, and simple structure installs well, installs at inner structure compactness pleasing to the eye.

As shown in fig. 3 and fig. 4, in the technical solution of the embodiment of the present application, the first limiting component 40 is disposed in the first groove body 11 and the second groove body 21, and the second limiting component 50 is disposed in the second groove body 21 and the third groove body 31. It should be noted that, in the present application, the first limiting component 40 and the second limiting component 50 may also be disposed at positions other than the side walls, and the arrangement manner is similar to the above-mentioned structure, and the principle is the same. The first limiting assemblies 40 can also be provided with multiple groups according to the number of the side plates of the first groove body 11 and the second groove body 21, and the second limiting assemblies 50 can also be provided with multiple groups according to the number of the side plates of the second groove body and the third groove body 31.

As shown in fig. 5, in the solution of the embodiment of the present application, the first tank 11 includes a first side plate 111 and a second side plate 112, the second tank 21 includes a third side plate 211 and a fourth side plate 212, the third tank 31 includes a fifth side plate 311 and a sixth side plate 312, a distance between the first side plate 111 and the second side plate 112, a distance between the third side plate 211 and the fourth side plate 212, and a distance between the fifth side plate 311 and the sixth side plate 312 are all equal, and thicknesses of the first side plate 111, the second side plate 112, the third side plate 211, the fourth side plate 212, the fifth side plate 311, and the sixth side plate 312 are all equal. The advantage of setting up like this is, each cable installation chamber section diameter size of crane span structure is equal, and cable group 1 can not receive the influence of cross-section change in the in-process of carrying out the folding.

As shown in fig. 3 to 5, in the technical solution of the embodiment of the present application, angles between one side of the first side plate 111 close to the third side plate 211 and one side of the second side plate 112 close to the fourth side plate 212 and the inner bottom wall of the first tank 11 are both a, angles between one side of the second side plate 112 close to the first side plate 111 and one side of the fourth side plate 212 close to the second side plate 112 and the inner bottom wall of the second tank 21 are both B, a sum of the angles a and B is 90 °, angles between one side of the third side plate 211 close to the fifth side plate 311 and one side of the fourth side plate 212 close to the sixth side plate 312 and the inner bottom wall of the second tank 21 are both C, angles between one side of the fifth side plate 311 close to the third side plate 211 and one side of the sixth side plate 312 close to the fourth side plate 212 and the inner bottom wall of the third tank 31 are both D, and a sum of the angles C and D is 90 °. In the process of turning the first tank body 11, the angle change range between the bottom wall in the tank of the first tank body 11 and the bottom wall in the tank of the second tank body 21 is more than or equal to 90 degrees and less than or equal to 180 degrees, the angle change range between the bottom wall in the tank of the second tank body 21 and the bottom wall in the tank of the third tank body 31 is more than or equal to 90 degrees and less than or equal to 180 degrees, and the advantage of the arrangement is that the first tank body 11 can be turned over at two positions to realize 180-degree folding of the bridge, so that the occupied space of the bridge is saved to the maximum extent, meanwhile, part of the space of the second bridge 20 in the process is compressed, the volume of the folded bridge is reduced, and the shape of the folded bridge is regular and more convenient to transfer and transport. Specifically, in a preferred embodiment provided by the present application, the angle a, the angle B, the angle C, and the angle D are 45 °, at this time, the height of the first tank body 11 is equal to the height of the second tank body 21, the cross sections of the first cable installation cavity section and the second cable installation cavity section are equal, the connection is more compact, and the second cable installation cavity section and the third cable installation cavity section are arranged in the same manner.

As shown in fig. 1 to 3, 5 and 8, in the technical solution of the embodiment of the present application, the second bridge 20 further includes a flip body 22, and the flip body 22 includes a connecting plate, a seventh side plate and an eighth side plate, and the connecting plate is rotatably connected to the fifth side plate 311 and the sixth side plate 312 respectively. The cover 22 is provided to cooperate with the second bridge 20 to form a cable-receiving cavity section with the second bridge 20 when the bridge is unfolded, to cooperate with the first bridge 10 and the third bridge 30, and to provide waterproof and dustproof functions. The connecting plate is specifically a rectangular plate, one corner of the connecting plate is connected with the fifth side plate 311 in a hinge mode, and the other corner of the connecting plate is connected with the sixth side plate 312 in a hinge mode, so that the connecting plate can rotate relatively, and the flip body is driven to rotate.

As shown in fig. 1, 6, and 7, in the technical solution of the embodiment of the present application, the hoisting ring 60 is further included, the hoisting ring 60 is used to hoist the bridge frame, the hoisting ring 60 is respectively disposed on the first bridge frame 10 and the third bridge frame 30, and at this time, the arrangement of the flip body 22 ensures that the first bridge frame 10 and the third bridge frame 30 will not deflect towards the second groove 21 when being stressed in the hoisting process, thereby ensuring the stability of the bridge frame when the bridge frame is installed.

As shown in fig. 3 to 5, in the technical solution of the embodiment of the present application, the seventh side plate includes a first V-shaped block and a second V-shaped block, the eighth side plate includes a third V-shaped block and a fourth V-shaped block, a first V-shaped groove may be formed between the first side plate 111 and the third side plate 211, a second V-shaped groove may be formed between the second side plate 112 and the fourth side plate 212, a third V-shaped groove may be formed between the fifth side plate 311 and the third side plate 211, and a fourth V-shaped groove may be formed between the sixth side plate 312 and the fourth side plate 212; the turning cover body 22 can be matched with the first groove body 11, the second groove body 21 and the third groove body 31 in a turning mode, the first V-shaped block is inserted into the first V-shaped groove, the second V-shaped block is inserted into the third V-shaped groove, the third V-shaped block is inserted into the second V-shaped groove, the fourth V-shaped block is inserted into the fourth V-shaped groove, and the turning cover body 22 and the second groove body 21 form a second cable installation cavity section.

It should be noted that the distance between the seventh side plate and the eighth side plate is greater than the distance between the outer wall of the third side plate 211 and the outer wall of the second side plate 112, when the flip body 22 is matched with the second groove 21, the upper edge of the second groove 21 can be buckled to completely prevent dust or water vapor from entering, the distance between the first V-shaped block and the third V-shaped block is equal to the distance between the first side plate 111 and the second side plate 112, and the distance between the second V-shaped block and the fourth V-shaped block is equal to the distance between the first side plate 111 and the second side plate 112.

As shown in fig. 1, fig. 2, and fig. 8, in the technical solution of the embodiment of the present application, the first bridge frame 10 further includes a first cover plate 12, the third bridge frame 30 further includes a second cover plate 32, the first cover plate 12 and the first groove 11 form a cable installation cavity section, the second cover plate 32 and the third groove 31 form a cable installation cavity section, both sides of the first cover plate 12 are provided with accommodating grooves, the accommodating grooves form accommodating spaces with the outer wall of the first side plate 111, the accommodating grooves form accommodating spaces with the outer wall of the second side plate 112, the first side plate 111 and the second side plate 112 both include insertion strips disposed on the outer walls of the side plates, and the insertion strips are inserted into the accommodating spaces. The advantage that sets up like this is the cooperation through holding tank and cutting and accomplishes the assembly between apron and the cell body, can retrench the assembly structure, can once only produce simultaneously and do not need secondary operation, saves man-hour.

It should be noted that, an arc segment is disposed between one side of the first side plate 111 close to the second slot body 21 and one side of the first side plate 111 far from the bottom wall of the first slot body 11, an arc segment is disposed between one side of the third side plate 211 close to the first slot body 11 and one side of the third side plate 211 far from the bottom wall of the second slot body 21, the two arc segments have equal diameters, and meanwhile, one end of the first cover plate 12 close to the second slot body 21 is disposed with an arc segment having the same diameter, at this time, both the first side plate 111 and the second side plate 112 are arc segments, the first side plate 111 and the third side plate 211 form a quarter arc segment when being matched, and the second side plate 112 and the fourth side plate 212 are disposed with the first side plate 111 and the third side plate 211. The second tank 21 is provided in the same manner as the third tank 31 and the second cover 32. The first cover plate 12 may be fixed to the opening direction of the first tank body 11 by a fastener, and the second cover plate 32 may be fixed to the opening direction of the third tank body 31 by a fastener.

As shown in fig. 1, 2, and 8, in the technical solution of the embodiment of the present application, the third bridge 30 further includes a support link group 33, the support link group is disposed at one end of the third bridge 30 away from the second groove 21, and the support link group is used for supporting the first bridge 10 after the first bridge 10 is turned over. When the lengths of the first bridge frame 10 and the third bridge frame 30 are long, after the first bridge frame 10 is turned over, the first bridge frame 10 supports the weight of the first bridge frame 10 only by matching with the hinge and the side plates of the second bridge frame 20, and when the length is long, the first bridge frame 10 is heavy and is easy to damage. The supporting connecting rod set 33 is arranged to support the first bridge together with the second groove body 21, stress of a connecting piece of the first groove body 11 and the second groove body 21 is reduced, the bridge is protected from being damaged after being folded, meanwhile, the overall stability of the bridge can be improved by the supporting connecting rod set 33, and influences caused by bumping in the transportation process are avoided. The flexible base which can be matched with the support linkage 33 is arranged at the corresponding position of the first cover plate 12 after being overturned, and the flexible base can prevent the support linkage 33 from damaging the first cover plate 12 under the action of gravity due to the direct contact of the first cover plate and the support linkage 33.

As shown in fig. 2 and 8, in the technical solution of the embodiment of the present application, the cable connector 2 is disposed on the outer bottom wall of the first bridge 10, and/or the cable connector 2 is disposed on the outer bottom wall of the second groove 21, and/or the cable connector 2 is disposed on the outer bottom wall of the third groove 31. The cable interface is for inserting the row fast, inserts the row and includes a sealed lid, and sealed lid avoids inserting the row and advances the ash. The outer bottom wall of the groove is used for preventing rainwater or dust from entering, the outer bottom wall of the groove is used for effectively avoiding the situation, the sealing reliability is improved, and meanwhile, the direct entering of rainwater and other liquid after the connection of the cable connector is required to be prevented.

The application provides a cable testing bridge can realize the quick installation of laying of cable, the high-speed joint and the disconnection of cable, cable and the whole folding convenient dismantlement of testing bridge reduce the space and reduce the cost of transportation, have improved the operating efficiency. When the equipment is moved and transported, the cable and the bridge do not need to be disassembled, and the cable and the bridge can be integrally folded to reduce the transportation space. When the cable and the bridge frame are unfolded to a new station, the working state is quickly recovered. The moving working efficiency of the cable and the bridge is improved. A quick cable disconnection and connection device is added, so that quick connection and disconnection of the cable and equipment can be realized. It should be noted that, in the present application, the first bridge 10, the second bridge 20, and the third bridge 30 may be disposed in a plurality of, and disposed side by side, and may be divided into a plurality of cable installation cavities, so as to install a plurality of groups of cables, and the same side plate may be shared between the bridges side by side, and the cables in different cable installation cavities do not affect each other.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice 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 (10)

1. A cable tray, comprising:

a first bridge (10), the first bridge (10) having a first cable mounting cavity section;

a second bridge (20), said second bridge (20) having a second cable mounting cavity section;

a third bridge (30), said third bridge (30) having a third cable mounting cavity section;

the first end of the first bridge frame (10) is rotatably connected with the second end of the second bridge frame (20), the first end of the second bridge frame (20) is rotatably connected with the first end of the third bridge frame (30), and the first cable installation cavity section is sequentially communicated with the second cable installation cavity section and the third cable installation cavity section to form a cable installation cavity.

2. Cable tray according to claim 1, characterized in that the first tray (10) comprises a first groove (11), the second tray (20) comprises a second groove (21), the third tray (30) comprises a third groove (31), the first end of the bottom wall of the first groove (11) is rotatably connected with one end of the bottom wall of the second groove (21), the other end of the bottom wall of the second groove (21) is rotatably connected with one end of the bottom wall of the third groove (31).

3. The cable tray of claim 2, wherein a first limiting component (40) is arranged between the first trough body (11) and the second trough body (21), a second limiting component (50) is arranged between the second trough body (21) and the third trough body (31), the first limiting component (40) limits an angle α between an in-trough bottom wall of the first trough body (11) and an in-trough bottom wall of the second trough body (21) to be less than or equal to 180 °, and the second limiting component (50) limits an angle β between an in-trough bottom wall of the third trough body (31) and an in-trough bottom wall of the second trough body (21) to be less than or equal to 180 °.

4. The cable tray of claim 3, wherein the first limiting assembly (40) comprises a first connecting rod (41), a second connecting rod (42) and a first locking rod (43), the second limiting assembly (50) comprises a third connecting rod (51), a fourth connecting rod (52) and a second locking rod (53), a first end of the first connecting rod (41) is rotatably arranged on the side wall of the first trough body (11), a second end of the first connecting rod (41) is rotatably connected with a first end of the second connecting rod (42), a second end of the second connecting rod (42) is rotatably connected with the side wall of the second tray (20), a first end of the first locking rod (43) is rotatably arranged on the second connecting rod (42), and when the first connecting rod (41) is parallel to the second connecting rod (42), a second end of the first locking rod (43) is provided with a first clamping groove which is clamped with a first locking lug arranged on the first connecting rod (41);

the first end of third connecting rod (51) rotationally set up in the lateral wall of second cell body (21), the second end of third connecting rod (51) with the first end of fourth connecting rod (52) rotationally connects, the second end of fourth connecting rod (52) with the lateral wall of third bridge (30) rotationally connects, the first end of second locking lever (53) rotationally set up in fourth connecting rod (52), third connecting rod (51) with when fourth connecting rod (52) are parallel, the second end of second locking lever (53) sets up the second draw-in groove, the second draw-in groove with set up in the second locking lug block of third connecting rod (51).

5. The cable tray of claim 2, wherein the first trough (11) comprises a first side plate (111) and a second side plate (112), the second trough (21) comprises a third side plate (211) and a fourth side plate (212), the third trough (31) comprises a fifth side plate (311) and a sixth side plate (312), the distance between the first side plate (111) and the second side plate (112), the distance between the third side plate (211) and the fourth side plate (212), and the distance between the fifth side plate (311) and the sixth side plate (312) are all equal, and the thickness of the first side plate (111), the second side plate (112), the third side plate (211), the fourth side plate (212), the fifth side plate (311), and the sixth side plate (312) are all equal.

6. The cable bridge stand according to claim 5, wherein angles between one side of the first side plate (111) close to the third side plate (211) and one side of the second side plate (112) close to the fourth side plate (212) and the bottom wall of the first trough body (11) are both A, angles between one side of the second side plate (112) close to the first side plate (111) and one side of the fourth side plate (212) close to the second side plate (112) and the bottom wall of the second trough body (21) are both B, a sum of the angles A and B is 90 °, angles between one side of the third side plate (211) close to the fifth side plate (311) and one side of the fourth side plate (212) close to the sixth side plate (312) and the bottom wall of the second trough body (21) are both C, angles between one side of the fifth side plate (311) close to the third side plate (211) and one side of the sixth side plate (312) close to the fourth side plate (212) and the bottom wall of the third trough body (21) are both C, and angles between D and D are both 90 °.

7. The cable tray of claim 6, wherein the second tray (20) further comprises a flip (22), the flip (22) comprising a connecting plate, a seventh side plate, and an eighth side plate, the connecting plate rotatably connected with the fifth side plate (311) and the sixth side plate (312), respectively.

8. The cable tray of claim 7, wherein the seventh side panel comprises a first V-shaped block and a second V-shaped block, the eighth side panel comprises a third V-shaped block and a fourth V-shaped block, a first V-shaped groove is formable between the first side panel (111) and the third side panel (211), a second V-shaped groove is formable between the second side panel (112) and the fourth side panel (212), a third V-shaped groove is formable between the fifth side panel (311) and the third side panel (211), and a fourth V-shaped groove is formable between the sixth side panel (312) and the fourth side panel (212); the turnover body (22) can be in turnover fit with the first groove body (11), the second groove body (21) and the third groove body (31), the first V-shaped block is inserted into the first V-shaped groove, the second V-shaped block is inserted into the third V-shaped groove, the third V-shaped block is inserted into the second V-shaped groove, the fourth V-shaped block is inserted into the fourth V-shaped groove, and the turnover body (22) and the second groove body (21) form the second cable installation cavity section.

9. The cable bridge according to claim 5, wherein the first bridge (10) further comprises a first cover plate (12), the third bridge (30) further comprises a second cover plate (32), the first cover plate (12) and the first groove body (11) form the first cable installation cavity section, the second cover plate (32) and the third groove body (31) form the third cable installation cavity section, two sides of the first cover plate (12) are provided with accommodating grooves, the accommodating grooves and the outer wall of the first side plate (111) form an accommodating space, the accommodating grooves and the outer wall of the second side plate (112) form an accommodating space, and the first side plate (111) and the second side plate (112) each comprise an insert strip arranged on the outer wall of the side plate, and the insert strips are inserted into the accommodating space.

10. The cable tray of claim 9, wherein the third tray (30) further comprises a support linkage (331), the support linkage (331) being disposed at an end of the second cover (32) distal from the second channel (21), the support linkage (331) being configured to support the first tray (10) after the first tray (10) is flipped.

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