CN111884142A

CN111884142A - Cable bridge rack

Info

Publication number: CN111884142A
Application number: CN202010603237.4A
Authority: CN
Inventors: 金邦杰
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-11-03
Anticipated expiration: 2040-06-29
Also published as: CN111884142B

Abstract

The utility model provides a cable testing bridge belongs to power equipment technical field. The cable testing bridge includes the crane span structure main part, the crane span structure main part includes two terraced roof beams and a plurality of crosspieces of mutual parallel arrangement, the cable testing bridge still includes two sets of first adjusting part and two sets of second adjusting part, two sets of first adjusting part and two terraced roof beams one-to-ones are arranged, first adjusting part all includes the spill bulb, head rod and first linking bridge, cross open slot and spherical groove have on the spill bulb, and cross open slot and spherical groove communicate each other, two sets of second adjusting part and two terraced roof beams one-to-ones are arranged, the second adjusting part all includes movable bulb, second connecting rod and second linking bridge. The cable bridge is formed by splicing the concave ball head and the movable ball head, and the installation requirements of the length, the angle and the like of the cable bridge can be effectively met.

Description

Cable bridge rack

Technical Field

The utility model belongs to the technical field of power equipment, in particular to cable testing bridge.

Background

The cable tray is a support for supporting and protecting cables during the use of the cables. The stability and functionality of the cable bridge can influence the cable transmission effect to a certain extent. The cable bridge is widely applied to engineering and can be divided into different types such as a groove type cable bridge, a tray type cable bridge and a step type cable bridge according to the structure.

In the related technology, the cable bridge frame has a simple structure, and the applicable terrain and cable size are fixed and single. Before the cable bridge is installed, the specification and the shape of the cable bridge need to be designed in advance according to the terrain and the applicable cable size, and then the cable bridge is installed on site.

However, in view of the complicated environment in field installation, there is a possibility that the temporary length or angle of the bridge may be changed, but since the specification and shape of the cable bridge cannot be changed, it is possible to redesign the cable bridge, which undoubtedly increases the construction cost.

Disclosure of Invention

The embodiment of the disclosure provides a cable bridge, which can fully meet the installation requirement of any angle in space. The technical scheme is as follows:

the embodiment of the disclosure provides a cable bridge, which comprises a bridge main body, two first adjusting assemblies and two second adjusting assemblies, wherein the bridge main body comprises two ladder beams and a plurality of crosspieces which are arranged in parallel;

the two groups of first adjusting assemblies are arranged in one-to-one correspondence with the two ladder beams, each first adjusting assembly comprises a movable ball sleeve, and for any group of first adjusting assemblies, the movable ball sleeve is provided with a spherical groove, and the position of the movable ball sleeve, which is back to the spherical groove, is installed with the first end of the corresponding ladder beam;

the two groups of second adjusting assemblies are arranged in one-to-one correspondence with the two ladder beams, each second adjusting assembly comprises a movable ball head, the movable ball heads are movably positioned in the corresponding spherical grooves for any group of second adjusting assemblies, and the movable ball heads are installed together with the second ends of the corresponding ladder beams;

the crosspiece comprises a sliding rod and a sliding sleeve, the first end of the sliding rod is hinged with one of the ladder beams, the second end of the sliding rod is slidably inserted into the corresponding first end of the sliding sleeve, the second end of the sliding sleeve is hinged with the other ladder beam, and a stop piece used for fixing the sliding rod and the sliding sleeve is arranged on the sliding sleeve.

In yet another implementation of the present disclosure, the movable ball sleeve includes two half ball sleeves detachably mounted together, the half ball sleeves including half ball housings, two corresponding half ball housings being mounted together to form the ball-shaped slot.

In another implementation manner of the present disclosure, the half-ball sleeve further includes a first half connecting rod, a first end of the first half connecting rod is connected with the half-ball housing, and a second end of the first half connecting rod is mounted with the first end of the ladder beam.

In yet another implementation of the present disclosure, one of the two corresponding first half connecting rods has a protrusion thereon, and the other of the two corresponding first half connecting rods has a groove thereon, and the protrusion is inserted into the groove such that the two first half connecting rods are fitted together and form a first connecting rod.

In another implementation manner of the present disclosure, the first connecting rod further has a limiting ring thereon, and the limiting ring is sleeved on the first connecting rod.

In another implementation manner of the present disclosure, the first adjusting assembly further includes an elongated first connecting frame, and the first connecting frame extends along an axis of the ladder beam, a first end of the first connecting frame is connected to an end of the first connecting rod away from the movable ball sleeve, a second end of the first connecting frame is located at the first end of the ladder beam, the first connecting frame has a first limiting groove, the first limiting groove extends along the axis of the first connecting frame, a first limiting nail is located at a position of the ladder beam close to the first end of the ladder beam, and the first limiting nail is inserted into the first limiting groove.

In another implementation manner of the present disclosure, the second adjusting assembly further includes a second connecting rod, a first end of the second connecting rod is connected to the movable ball, a second end of the second connecting rod is connected to a second end of the corresponding ladder beam, a cross-shaped groove is formed in a position of the movable ball sleeve facing away from the ladder beam, the cross-shaped groove is communicated with the spherical groove, and the cross-shaped groove is used for accommodating the second connecting rod.

In another implementation manner of the present disclosure, the second adjusting assembly further includes a second elongated connecting frame, the second connecting frame extends along an axis of the ladder beam, a first end of the second connecting frame is connected to an end of the second connecting rod away from the movable ball, a second end of the second connecting frame is located at a second end of the ladder beam, the second connecting frame has a second limiting groove, the second limiting groove extends along the axis of the second connecting frame, a second limiting pin is located at a position of the ladder beam close to the second end of the ladder beam, and the second limiting pin is inserted into the second limiting groove.

In another implementation manner of the present disclosure, the sliding rod is provided with a bracket, the bracket includes a fixed frame and a clamping ring, the fixed frame is mounted on the sliding rod, the clamping ring is located on the fixed frame, and the clamping ring is used for clamping a cable.

In another implementation manner of the present disclosure, a plurality of clamping springs and clamping screws are arranged on the clamping ring at intervals along the circumferential direction of the clamping ring, each of the clamping springs is arranged in one-to-one correspondence with the clamping screw, a first end of each of the clamping springs is located inside the clamping ring, and a second end of each of the clamping springs is connected with the corresponding clamping screw.

The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:

when the cable bridge provided by the embodiment of the disclosure is used for installing a cable, since the two ends of each ladder beam in the cable bridge are respectively provided with the first adjusting component and the second adjusting component, the first adjusting component on one bridge main body can be connected with the second adjusting component of another adjacent bridge main body, so that the installation length of the bridge can be changed arbitrarily.

In addition, the first adjusting assembly is provided with the movable ball sleeve, and the second adjusting assembly is provided with the movable ball head, so that the connection of two adjacent bridges can be realized through the mutual nesting between the movable ball head and the movable ball sleeve. And, owing to have spherical groove in the activity ball cover, so the activity bulb can rotate wantonly in the spherical groove in the activity ball cover to realize the regulation of the angle of connection between two adjacent crane span structures, and then satisfy the installation demand of the arbitrary angle of cable in the space.

And, because the crosspiece includes slide bar and sliding sleeve, so can change the length of crosspiece through the flexible of slide bar in the sliding sleeve, and then change the width of this cable testing bridge to satisfy the installation demand of different quantity cables, and satisfy the circumstances that the installation environment diminishes suddenly etc. for the application scope of this cable testing bridge is wider.

The cable bridge provided by the embodiment of the disclosure has the movable ball heads, the movable ball sleeves and other structures at two ends of the ladder beam, so that a plurality of bridges can be bent or form a certain angle in the same plane to meet the requirements of different installation heights when combined, and meanwhile, the width of the bridge can be adjusted. The adjusting bridge is simple in structure, convenient to use, capable of meeting different requirements of the bridge on length, angle and the like when cables are installed, and wide in application range.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic structural view of a cable tray provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a rung according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a bracket provided in an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a hemispherical cover provided in an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of another hemispherical cover provided by an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a first connection assembly provided in an embodiment of the present disclosure;

FIG. 7 is a schematic structural view of a stop collar provided in an embodiment of the present disclosure;

fig. 8 is a schematic view of a cable tray according to an embodiment of the present disclosure in use.

The symbols in the drawings represent the following meanings:

1. a bridge frame body; 11. a ladder beam; 111. a first limit nail; 112. a second limit pin;

12. a crosspiece; 121. a slide bar; 122. a sliding sleeve; 1221. a stopper; 120. a hinge hole; 123. a support; 1231. a fixed mount; 1232. clamping a ring; 12321. clamping the semi-ring; 1233. a clamping spring; 1234. a clamping screw;

2. a first adjustment assembly; 21. a movable ball sleeve; 211. a cross groove; 212. a spherical groove;

213. a semispherical sleeve; 2131. a hemispherical shell; 2132. a first half connecting rod; 2133. a protrusion; 2134. a groove;

22. a first connecting rod; 222. a limiting ring; 2220. a compression wrench; 2221. a semi-stop ring; 2222. rubbing a rubber pad; 2223. a half flange; 23. a first connection frame; 230. a first limit groove;

3. a second adjustment assembly; 31. a movable ball head; 32. a second connecting rod; 33. a second connection frame; 330. a second limit groove.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

The embodiment of the present disclosure provides a cable bridge, as shown in fig. 1, the cable bridge includes a bridge main body 1, the bridge main body 1 includes two ladder beams 11 and a plurality of rungs 12 arranged in parallel, and the cable bridge further includes two sets of first adjusting assemblies 2 and two sets of second adjusting assemblies 3.

Two sets of first adjusting parts 2 are arranged corresponding to two ladder beams 11 one by one, the first adjusting parts 2 comprise movable ball sleeves 21, for any set of first adjusting parts 2, the movable ball sleeves 21 are provided with spherical grooves 212, and the positions of the movable ball sleeves 21 back to the spherical grooves 212 are installed together with the first ends of the corresponding ladder beams 11.

Two sets of second adjusting part 3 and two ladder beams 11 one-to-one are arranged, and second adjusting part 3 includes movable bulb 31, and to any set of second adjusting part 3, movable bulb 31 movably is located corresponding spherical groove 212, and movable bulb 31 is in the same place with the second end installation of corresponding ladder beam 11.

Fig. 2 is a schematic structural view of a crosspiece provided by an embodiment of the present disclosure, and in conjunction with fig. 2, a crosspiece 12 includes a sliding rod 121 and a sliding sleeve 122, a first end of the sliding rod 121 is hinged to one ladder beam 11, a second end of the sliding rod 121 is slidably inserted into a first end of the corresponding sliding sleeve 122, a second end of the sliding sleeve 122 is hinged to another ladder beam 11, and the sliding sleeve 122 has a stop 1221 for fixing the sliding rod 121 and the sliding sleeve 122 together.

When the cable bridge provided by the embodiment of the disclosure is used for installing a cable, since the two ends of each ladder beam 11 in the cable bridge are respectively provided with the first adjusting component 2 and the second adjusting component 3, the first adjusting component 2 on one bridge main body 1 can be connected with the second adjusting component 3 of another adjacent bridge main body 1, so as to arbitrarily change the installation length of the bridge.

In addition, because the first adjusting component 2 is provided with the movable ball sleeve 21, and the second adjusting component 3 is provided with the movable ball head 31, the connection of two adjacent bridges can be realized through the mutual nesting between the movable ball head 31 and the movable ball sleeve 21. Moreover, because the movable ball sleeve 21 is provided with the spherical groove 212, the movable ball head 31 can rotate freely in the spherical groove 212 in the movable ball sleeve 21, so that the connection angle between two adjacent bridges can be adjusted, and the installation requirement of cables in any angle in space can be met.

Moreover, since the crosspiece 12 comprises the sliding rods 121 and the sliding sleeves 122, the length of the crosspiece 12 can be changed by the extension and contraction of the sliding rods 121 in the sliding sleeves 122, so as to change the width of the cable bridge, so as to meet the installation requirements of different numbers of cables, and meet the condition that the installation environment suddenly becomes smaller, and the like, and thus the application range of the cable bridge is wider.

The cable bridge provided by the embodiment of the disclosure has the structure that the movable ball sleeve 21 and the movable ball head 31 are arranged at two ends of the ladder beam 11, so that a plurality of bridges can be bent or form a certain angle in the same plane to meet the requirements of different installation heights when combined, and meanwhile, the width of the bridge can be adjusted. The adjusting bridge is simple in structure, convenient to use, capable of meeting different requirements of the bridge on length, angle and the like when cables are installed, and wide in application range.

With continued reference to figure 2, illustratively, both the first end of the slide rod 121 and the second end of the sliding sleeve 122 have a hinge bore 120.

The first end of the slide rod 121 and the second end of the sliding sleeve 122 are respectively hinged with the ladder beam 11 through the hinge hole 120.

Fig. 3 is a schematic structural diagram of a bracket provided in the embodiment of the present disclosure, and with reference to fig. 3, optionally, a bracket 123 is provided on the sliding rod 121, the bracket 123 includes a fixing frame 1231 and a clamping ring 1232, the fixing frame 1231 is installed on the sliding rod 121, the clamping ring 1232 is located on the fixing frame 1231, and the clamping ring 1232 is used for clamping a cable.

In the above implementation, the bracket 123 is used to mount a cable. The bracket 123 is provided with the fixing frame 1231 and the clamping ring 1232, the clamping ring 1232 can be mounted on the crosspiece 12 through the fixing frame 1231, and the fixing position of the clamping ring 1232 is changed by moving the fixing frame 1231, so that cables can be fixed at different positions on the crosspiece 12, and the installation is convenient.

Optionally, a plurality of clamping springs 1233 and clamping screws 1234 are arranged on the clamping ring 1232 at intervals along the circumference thereof, each clamping spring 1233 is arranged in one-to-one correspondence with the clamping screw 1234, a first end of each clamping spring 1233 is located inside the clamping ring 1232, and a second end of each clamping spring 1233 is connected with the clamping screw 1234 correspondingly arranged therewith.

In the above embodiment, the clamping ring 1232 is provided with the clamping spring 1233 and the clamping screw 1234, and the clamping degree of the clamping screw 1234 can be controlled to adjust the expansion/contraction length of the clamping spring 1233, and the size of the clamping space inside the clamping ring 1232 is changed according to the expansion/contraction length of the clamping spring 1233, thereby clamping and fixing cables having different wire diameters. That is, the clamping space inside the clamping ring 1232 can be adjusted to be suitable for cables with different diameters, thereby widening the application range of the bridge.

Illustratively, the clamping spring 1233 may be a hard spring member.

Alternatively, the clamp ring 1232 includes two clamp half rings 12321, and the two clamp half rings 12321 are detachably mounted together.

In the above implementation manner, the clamping ring 1232 is provided as two clamping half rings 12321, so that when the cable is clamped, the cable can be quickly placed in the clamping ring 1232 by detaching the clamping ring 1232, and the installation efficiency is improved.

Illustratively, two clamp half rings 12321 are fastened together by screws to enclose the clamp ring 1232.

Fig. 4 is a schematic structural diagram of a hemisphere cover provided by an embodiment of the present disclosure, and in conjunction with fig. 4, optionally, the movable sphere cover 21 includes two hemisphere covers 213 detachably mounted together, the hemisphere cover 213 includes a hemisphere housing 2131, and two corresponding hemisphere housings 2131 are mounted together to form a spherical groove 212.

In the above implementation manner, the movable ball sleeve 21 is set as two semispherical sleeves 213, so that the movable ball head 31 can be inserted into the movable ball sleeve 21 quickly only by detaching the movable ball sleeve 21 when the movable ball sleeve 21 is inserted into the movable ball sleeve 21, and then two adjacent cable bridges can be connected quickly.

Optionally, the hemisphere cover 213 further includes a first half connecting rod 2132, a first end of the first half connecting rod 2132 is connected to the hemisphere housing 2131, and a second end of the first half connecting rod 2132 is mounted to the first end of the ladder beam 11.

In the implementation manner, the first half connecting rods 2132 correspond to the half ball sleeves 213, and the half ball sleeves 213 connected by each first half connecting rod 2132 can be butted together, so that the two half ball sleeves 213 can be stably assembled together, and the cable bridge is stable in structure and convenient to mount.

Fig. 5 is a schematic structural view of another half ball sleeve provided in the embodiment of the present disclosure, and in conjunction with fig. 5, for example, one first half connecting rod 2132 of the two corresponding first half connecting rods 2132 has a protrusion 2133 thereon, and the other first half connecting rod 2132 of the two corresponding first half connecting rods 2132 has a groove 2134 thereon, and the protrusion 2133 is inserted into the groove 2134, so that the two first half connecting rods 2132 are installed together and form the first connecting rod 22.

In the above implementation, the protrusions 2133 are arranged on one first half connecting rod 2132, the grooves 2134 are arranged on the other first half connecting rod 2132, and the two first half connecting rods 2132 can be butted together by the mutual matching of the protrusions 2133 and the grooves 2134, so that the two half ball sleeves 213 can be butted together to form the movable ball sleeve 21. That is, the two half ball sleeves 213 can be quickly assembled and disassembled by the cooperation between the protrusions 2133 and the grooves 2134.

Fig. 6 is a schematic structural view of a first connecting assembly according to an embodiment of the disclosure, and referring to fig. 6, the first connecting rod 22 further has a limiting ring 222, and the limiting ring 222 is sleeved on the first connecting rod 22.

In the above implementation, the arrangement of the stop collar 222 may further enable the two first half connecting rods 2132 to be stably and securely mounted together to form the first connecting rod 22.

Fig. 7 is a schematic structural diagram of a stop collar provided in an embodiment of the present disclosure, and in combination with fig. 7, exemplarily, the stop collar 222 includes two half stop collars 2221, each half stop collar 2221 and the first half connecting rod 2132 are arranged in a one-to-one correspondence, each half stop collar 2221 is correspondingly sleeved on an outer wall of the first half connecting rod 2132 near the second end thereof, and the two half stop collars 2221 are fastened together by a compression wrench 2220.

In the above implementation manner, the stop collar 222 is configured as two half stop collars 2221, and the two half stop collars 2221 can be fastened at different degrees, so that the first connecting rod 22 can be fastened at different degrees, and the first connecting rod 22 can be disassembled and assembled at the same time.

Optionally, the two half-stop rings 2221 have friction rubber pads 2222 inside.

In the above implementation, the friction rubber pads 2222 are arranged in the two half position-limiting rings 2221, and the friction force between the first connecting rod 22 and the position-limiting ring 222 can be increased by the arrangement of the friction rubber pads 2222, so that the position-limiting ring 222 can tightly lock the first connecting rod 22, and the structural stability of the first connecting rod 22 and the movable ball sleeve 21 is ensured.

Referring to fig. 6 again, optionally, the first adjusting assembly 2 further includes an elongated first connecting frame 23, the first connecting frame 23 extends along the axis of the ladder beam 11, a first end of the first connecting frame 23 is connected to an end of the first connecting rod 22 away from the movable ball sleeve 21, a second end of the first connecting frame 23 is located at the first end of the ladder beam 11, the first connecting frame 23 has a first limiting groove 230, the first limiting groove 230 extends along the axis of the first connecting frame 23, a first limiting nail 111 is located at a position of the ladder beam 11 close to the first end, and the first limiting nail 111 is inserted into the first limiting groove 230.

In the above implementation manner, the first connection frame 23 is arranged to connect and mount the first connection rod 22 and the ladder beam 11 together, the first limit groove 230 is arranged in the first connection frame 23, the actual connection length of the first connection frame 23, which can be adjusted through the cooperation between the first limit groove 230 and the first limit nail 111, is also the extension length of the first connection frame 23 relative to the first end of the ladder beam 11, and further the extension length of the two movable ball sleeves 21 is flexibly adjusted, so as to control the deflection angle of the horizontal plane of the bridge, and meet the actual installation requirement.

Referring again to fig. 7, illustratively, one of the half retaining rings 2221 of the retaining ring 222 has a half flange 2223 thereon, and the half flange 2223 is fixed to the first end of the first connection frame 23 by screws.

In the above implementation, the arrangement of the half flange 2223 may facilitate fixing the stop collar 222 on the first connection frame 23.

Referring to fig. 1 again, optionally, the second adjusting assembly 3 further includes a second connecting rod 32, a first end of the second connecting rod 32 is connected with the movable ball head 31, a second end of the second connecting rod 32 is connected with a second end of the corresponding ladder beam 11, a position of the movable ball sleeve 21 facing away from the ladder beam 11 is provided with a cross-shaped groove 211, the cross-shaped groove 211 is communicated with the spherical groove 212, and the cross-shaped groove 211 is used for accommodating the second connecting rod 32.

In above-mentioned implementation, the arrangement of cross recess 211 can use with the cooperation of second connecting rod 32, when the equipment needs angle regulation each other between two adjacent crane span structures, cross recess 211 can effectively provide the activity space for second connecting rod 32 to spacing it, make the angle after adjusting between two adjacent crane span structures can be fixed, and then guarantee the stability of the structure between the adjacent crane span structures.

Referring to fig. 1 again, optionally, the second adjusting assembly 3 further includes an elongated second connecting frame 33, the second connecting frame 33 extends along the axis of the ladder beam 11, a first end of the second connecting frame 33 is connected to an end of the second connecting rod 32 away from the movable ball 31, a second end of the second connecting frame 33 is located at the second end of the ladder beam 11, the second connecting frame 33 has a second limiting groove 330, the second limiting groove 330 extends along the axis of the second connecting frame 33, a second limiting pin 112 is located at a position of the ladder beam 11 close to the second end, and the second limiting pin 112 is inserted into the second limiting groove 330.

In the above implementation manner, the second connecting frame 33 is arranged to connect and mount the second connecting rod 32 and the ladder beam 11 together, the second limiting groove 330 is arranged in the second connecting frame 33, the actual connection length of the second connecting frame 33, which can be adjusted through the matching between the second limiting groove 330 and the second limiting nail 112, is also the extension length of the second connecting frame 33 relative to the second end of the ladder beam 11, and further the extension length of the two movable ball heads 31 is flexibly adjusted, so that the deflection angle of the horizontal plane of the bridge is controlled, and the actual mounting requirement is met.

The operation of the cable bridge provided by the embodiment of the disclosure is briefly described as follows:

firstly, when the cable bridge provided by the embodiment of the present disclosure is used for installing and fixing cables, a plurality of cable bridges are arranged end to end, that is, the first end of one ladder beam 11 is connected to the second end of the previous ladder beam 11 and connected to the first end of the next ladder beam 11, that is, the movable ball heads 31 are inserted into the movable ball sleeves 21 of the adjacent cable bridges and sequentially connected together. Meanwhile, the position of the movable ball head 31 in the movable ball sleeve 21 can be flexibly adjusted according to the installation requirement.

The cable is then secured in the clip ring 1232 of the rung 12 and the length of the rung 12 is adjusted as required for installation of the cable.

The cable bridge provided by the embodiment of the disclosure can flexibly adjust the length, the width and the like of the bridge, and is mainly represented in the following aspects:

1. the cable bridge frame and the bridge frame provided by the embodiment of the disclosure adopt a spherical joint connection form, are convenient to operate and install, are flexible in angle adjustment, can meet the installation requirement of any angle of 360 degrees, are more changeable in use form, and can rotate in a certain range in the horizontal plane direction so as to meet the requirement of cable corner arrangement;

2. the cable bridge can be adjusted in the length direction without gradient within a certain limit, and the volume is smaller. The connection length is arbitrary;

3. the first adjusting component 2 and the second adjusting component 3 of the cable bridge are limited by the limiting ring 222, meanwhile, the friction rubber pad 2222 is arranged in the limiting ring 222, and the purpose of controlling the angle of the spherical joint is achieved by static friction between the rubber piece and the first connecting rod 22, so that the cable bridge is convenient to operate, simple and practical;

4. the crosspiece 12 of the cable bridge frame can realize extension and retraction due to the form between the sliding rods 121 and the sliding sleeves 122, and the two ends of the crosspiece 12 are hinged with the ladder beam 11, so that the shape is flexibly adjusted, and the adjustment can be performed in the width direction without gradient limitation according to the field condition;

5. the clamping ring 1232 on the crosspiece 12 in the cable bridge is provided with a clamping spring 1233, the clamping inner diameters in the clamping ring 1232 are different by the change of the screwing length of the clamping spring 1233 and the clamping screw 1234, and the installation requirements of different wire diameters are further met;

6. in the cable bridge, because the first connecting frame 23 and the second connecting frame 33 are respectively provided with the limiting grooves, the first connecting frame 23 and the second connecting frame 33 can be adjusted to have different extending lengths after two cable bridges are combined, and can rotate in a certain range in the vertical plane direction to meet the condition of a mounting surface with different heights (see fig. 8).

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A cable bridge comprising a bridge body (1), said bridge body (1) comprising two ladder beams (11) and a plurality of rungs (12) arranged parallel to each other, characterized in that it further comprises two sets of first adjusting assemblies (2) and two sets of second adjusting assemblies (3);

the two groups of first adjusting assemblies (2) are arranged in one-to-one correspondence with the two ladder beams (11), each first adjusting assembly (2) comprises a movable ball sleeve (21), for any group of first adjusting assemblies (2), a spherical groove (212) is formed in each movable ball sleeve (21), and the position, opposite to the spherical groove (212), of each movable ball sleeve (21) is installed with the first end of the corresponding ladder beam (11);

the two groups of second adjusting assemblies (3) are arranged in one-to-one correspondence with the two ladder beams (11), each second adjusting assembly (3) comprises a movable ball head (31), for any group of second adjusting assemblies (3), the movable ball heads (31) are movably located in the corresponding spherical grooves (212), and the movable ball heads (31) are installed together with the second ends of the corresponding ladder beams (11);

the crosspiece (12) comprises a sliding rod (121) and a sliding sleeve (122), a first end of the sliding rod (121) is hinged to one of the ladder beams (11), a second end of the sliding rod (121) is slidably inserted into a first end of the corresponding sliding sleeve (122), a second end of the sliding sleeve (122) is hinged to the other ladder beam (11), and a stop piece (1221) used for fixing the sliding rod (121) and the sliding sleeve (122) together is arranged on the sliding sleeve (122).

2. The cable tray according to claim 1, characterized in that said movable ball sleeve (21) comprises two half-ball sleeves (213) removably mounted together, said half-ball sleeves (213) comprising half-ball housings (2131), two corresponding half-ball housings (2131) being mounted together to form said spherical groove (212).

3. The cable tray of claim 2, wherein the hemispherical sleeve (213) further comprises a first half coupling bar (2132), a first end of the first half coupling bar (2132) being coupled to the hemispherical shell (2131), a second end of the first half coupling bar (2132) being mounted to the first end of the ladder beam (11).

4. A cable tray according to claim 3, characterized in that one (2132) of two corresponding said first half tie rods (2132) has a projection (2133) thereon and the other (2132) of two corresponding said first half tie rods (2132) has a recess (2134) thereon, said projection (2133) being inserted into said recess (2134) such that the two said first half tie rods (2132) fit together and form a first tie rod (22).

5. The cable tray of claim 4, wherein the first connecting rod (22) further comprises a retaining ring (222), and the retaining ring (222) is sleeved on the first connecting rod (22).

6. The cable bridge stand as claimed in claim 4, wherein the first adjusting assembly (2) further comprises an elongated first connecting frame (23), the first connecting frame (23) extends along the axis of the ladder beam (11), a first end of the first connecting frame (23) is connected with one end of the first connecting rod (22) far away from the movable ball sleeve (21), a second end of the first connecting frame (23) is located on the first end of the ladder beam (11), the first connecting frame (23) is provided with a first limiting groove (230), the first limiting groove (230) extends along the axis of the first connecting frame (23), the ladder beam (11) is provided with a first limiting nail (111) near the first end, and the first limiting nail (111) is inserted into the first limiting groove (230).

7. The cable bridge according to claim 4, characterized in that the second adjusting assembly (3) further comprises a second connecting rod (32), a first end of the second connecting rod (32) is connected with the movable ball head (31), a second end of the second connecting rod (32) is connected with a corresponding second end of the ladder beam (11), a cross-shaped groove (211) is formed in a position, facing away from the ladder beam (11), of the movable ball sleeve (21), the cross-shaped groove (211) is communicated with the spherical groove (212), and the cross-shaped groove (211) is used for accommodating the second connecting rod (32).

8. The cable bridge according to claim 7, wherein the second adjusting assembly (3) further comprises an elongated second connecting frame (33), the second connecting frame (33) extends along the axis of the ladder beam (11), a first end of the second connecting frame (33) is connected with one end of the second connecting rod (32) far away from the movable ball head (31), a second end of the second connecting frame (33) is located at the second end of the ladder beam (11), the second connecting frame (33) is provided with a second limiting groove (330), the second limiting grooves (330) extend along the axis of the second connecting frame (33), the ladder beam (11) is provided with a second limiting nail (112) near the second end, and the second limiting nail (112) is inserted into the second limiting groove (330).

9. The cable tray according to any one of claims 1 to 5, wherein the sliding rod (121) is provided with a bracket (123), the bracket (123) comprises a fixing frame (1231) and a clamping ring (1232), the fixing frame (1231) is mounted on the sliding rod (121), the clamping ring (1232) is positioned on the fixing frame (1231), and the clamping ring (1232) is used for clamping a cable.

10. The cable tray according to claim 9, wherein a plurality of clamping springs (1233) and clamping screws (1234) are arranged on the clamping ring (1232) at intervals along the circumferential direction thereof, each clamping spring (1233) is arranged in one-to-one correspondence with the clamping screw (1234), the first end of each clamping spring (1233) is located inside the clamping ring (1232), and the second end of each clamping spring (1233) is connected with the corresponding clamping screw (1234) thereof.