CN220985272U - Cable bridge monomer and bridge - Google Patents

Abstract

The present disclosure relates to a cable bridge monomer and bridge, the cable bridge monomer comprising: a body having a channel extending in a first direction, the channel for carrying a cable; a spacer disposed within the channel to be able to divide the channel into a plurality of receiving grooves extending in the first direction along a second direction perpendicular to the first direction for placing the cables; and the compressing device comprises a limiting plate and an adjusting mechanism, the limiting plate covers the accommodating groove and is in sliding fit with the spacer, and the adjusting mechanism is used for driving the limiting plate to move along a third direction close to or far away from the bottom wall of the channel so as to compress or release the cable. Through above-mentioned technical scheme, this cable testing bridge monomer is through setting up the spacer in order to separate the many cables that bear in different holding tanks to compress tightly fixedly through the limiting plate, avoid the cable to twine each other, realize firmly orderly bearing.

Description

Cable bridge monomer and bridge

Technical Field

The present disclosure relates to the field of cable erection technology, and in particular, to a cable bridge monomer and a bridge.

Background

The cable bridge is a device for bearing and protecting cables in the process of erecting a power transmission line, and consists of a bracket, a bracket arm, a mounting accessory and the like, wherein the types of the cable bridge are divided into a groove type, a tray type, a ladder frame type, a grid type and the like, and the cable bridge can be independently erected and can also be laid on various building matrixes.

In the related art, a plurality of cables are usually carried in a bridge, and when the cables are laid on the bridge, only the cables are placed in the bridge, but the cables are not fixed, so that the cables are easy to wind, the normal power transmission use of the cables is affected, and the subsequent maintenance is difficult.

Disclosure of utility model

It is an object of the present disclosure to provide a cable tray unit and tray that is capable of separating cables from each other when they are carried, avoiding their intertwining, to at least partially solve the above-mentioned technical problems.

To achieve the above object, according to a first aspect of the present disclosure, there is provided a cable bridge monomer comprising:

A body having a channel extending in a first direction, the channel for carrying a cable;

A spacer disposed within the channel to be able to divide the channel into a plurality of receiving grooves extending in the first direction along a second direction perpendicular to the first direction for placing the cables; and

The compressing device comprises a limiting plate and an adjusting mechanism, wherein the limiting plate covers the accommodating groove and is in sliding fit with the spacer, and the adjusting mechanism is used for driving the limiting plate to move along a third direction close to or far away from the bottom wall of the channel so as to compress or release the cable.

Optionally, the middle part of limiting plate is offered and is supplied the dodging hole that the spacer slides and pass, and the lateral part with adjustment mechanism links to each other.

Optionally, the body is provided with a guide groove extending along the third direction, and a side edge of the limiting plate slidably abuts against a groove wall of the guide groove so as to slide along the guide groove.

Optionally, the adjustment mechanism includes adjusting screw and drive portion, adjusting screw follows the third direction extends, the lateral part of limiting plate be formed with adjusting screw threaded connection's screw hole, drive portion drive connection adjusting screw is used for driving adjusting screw gyration.

Optionally, the drive portion is including fixed cover locating the outer first bevel gear of adjusting screw, rotationally be connected with the connecting rod on the body, the connecting rod be close to the fixed cover of one end of adjusting screw is equipped with the second bevel gear, first bevel gear with the meshing of second bevel gear is connected, the connecting rod keep away from the fixed cover of one end of adjusting screw is equipped with the hand wheel.

Optionally, the body is provided with the edge the mounting groove that the third direction extends, in order to be used for the installation adjusting screw with drive division, adjusting screw rotationally connect in between two relative cell walls of mounting groove, just set up on the cell wall of one side of mounting groove near the limiting plate along the spacing groove that the third direction extends, the limiting plate slidable butt in the cell wall of spacing groove, in order to follow the extending direction slip of spacing groove.

Optionally, the bridge unit further comprises a mounting piece arranged on the body, and the body is independently erected or connected to the external matrix through the mounting piece.

According to a second aspect of the present disclosure, there is provided a bridge, including a plurality of bridge monomers connected in sequence, at least one bridge monomer is the above-mentioned bridge monomer, and two adjacent bridge monomers are spliced and fixed by a connection structure.

Optionally, the connecting structure comprises a connecting screw rod and a threaded sleeve which are oppositely arranged, wherein the connecting screw rod is connected with one bridge frame monomer, and the threaded sleeve is rotatably connected with the other bridge frame monomer.

Optionally, the connecting screw is connected to one of the bridge monomers through a first fixing block;

The threaded sleeve is connected to the other bridge frame monomer through a second fixed block, a through hole is formed in the second fixed block, and the threaded sleeve is rotatably connected to the inner wall of the through hole through a bearing.

Through above-mentioned technical scheme, this cable bridge monomer that this disclosure provided includes spacer and closing device, this cable bridge monomer is through setting up the spacer in order to separate the many cables that bear in different holding tanks to closing device includes limiting plate and adjustment mechanism, because limiting plate is whole shroud on the holding tank and can with spacer sliding fit, consequently can take place sliding motion through adjustment mechanism and spacer and compress tightly fixedly to the diapire cable of cooperation passageway, and then avoid the cable to twine each other, realizes carrying in order to the cable steadily.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

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

FIG. 1 is a schematic overall structure of a cable tray unit provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic view of a stop plate slidably engaged with a spacer provided in an exemplary embodiment of the present disclosure;

FIG. 3 is an enlarged partial schematic view of the position A of FIG. 2;

FIG. 4 is a schematic view of the overall structure of a bridge provided in an exemplary embodiment of the present disclosure;

fig. 5 is a partially enlarged schematic view of the position B in fig. 4.

Description of the reference numerals

1. A body; 11. a channel; 111. a receiving groove; 12. a guide groove; 13. a mounting groove; 14. a limit groove; 2. a spacer; 3. a compacting device; 31. a limiting plate; 311. avoidance holes; 32. an adjusting mechanism; 321. adjusting a screw; 322. a driving section; 3221. a first bevel gear; 3222. a connecting rod; 3223. a second bevel gear; 3224. a hand wheel; 4. a mounting member; 5. a connection structure; 51. a connecting screw; 511. a first fixed block; 52. a threaded sleeve; 521. a second fixed block; 5211. a through hole; 522. and (3) a bearing.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, for convenience of description, a first direction, a second direction, and a third direction are defined for a cable bridge unit, where "X" indicates the first direction, "Y" indicates the second direction, and "Z" indicates the third direction, and the first direction, the second direction, and the third direction are perpendicular to each other. Specifically, for example, in the direction of the drawing shown in fig. 1, the third direction Z is the in-paper outside direction, the second direction Y is the up-down direction, the first direction X is the left-right direction, and "inside and outside" refer to the inside and outside of the corresponding component profile unless otherwise specified; "distal" and "proximal" refer to the relative spatial positions of a respective component with respect to another component. Furthermore, the terms "first," "second," and the like, as used in this disclosure, are used for distinguishing one element from another and not necessarily for describing a sequential or chronological order. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.

The cable tray unit and tray in the exemplary embodiments of the present disclosure will be described with reference to the accompanying drawings.

According to a first aspect of the present disclosure, referring to fig. 1 to 3, the present disclosure provides a cable bridge cell comprising a body 1, a spacer 2 and a pressing device 3, the body 1 having a channel 11 extending in a first direction, the channel 11 for carrying a cable; the spacer 2 is disposed in the passage 11 to be able to divide the passage 11 into a plurality of receiving grooves 111 extending in the first direction along a second direction perpendicular to the first direction for placing the cables; the pressing device 3 includes a limiting plate 31 and an adjusting mechanism 32, the limiting plate 31 is covered on the accommodating groove 111 and is in sliding fit with the spacer 2, and the adjusting mechanism 32 is used for driving the limiting plate 31 to move along a third direction approaching or separating from the bottom wall of the channel 11 so as to press or release the cable.

Through this technical scheme, cable testing bridge monomer is through setting up the spacer 2 in order to separate the many cables that bear in different holding tanks 111, through adjustment mechanism 32 drive limiting plate 31 and the diapire of cooperation passageway 11 compress tightly fixedly to the cable, wherein, "shroud" that this disclosure used means limiting plate 31 setting is in the top of placing the cable in holding tank 111, but not limited to with holding tank 111 all cladding cover establish, limiting plate 31 can with spacer 2 sliding fit, in order to compress tightly or release the cable can. Like this, the limiting plate can be whole shroud on a plurality of holding tanks to can with the spacer sliding fit, thereby consequently through adjustment mechanism can whole drive limiting plate and spacer take place sliding motion and compress tightly fixedly to the cable of diapire of cooperation passageway, and then avoid the cable to twine each other, realize that the cable bears in order firmly.

Further, the present disclosure exemplarily provides the spacer 2 as a plate-like member, and a plurality of plate-like members are provided at intervals along the second direction to partition the passage 11 into a plurality of receiving grooves 111 for carrying the cables. It will be appreciated that in other possible variations, the spacer 2 may be provided as any shape member, such as a column, capable of separating the space of the channel 11, without limiting the disclosure. The spacers 2 may be uniformly arranged in the channel 11 at intervals along the second direction, or may be adaptively arranged in the channel 11 at different intervals according to the radial dimension of the cable, and accordingly, the limiting plate 31 may be adapted to be capable of adaptively compressing the cable, for example, the limiting plate 31 may be configured to have different dimensions of portions disposed in different receiving grooves 111 along the third direction.

Specifically, when the cable bridge single body is used for bearing cables, the limiting plates 31 are driven to move towards the direction away from the bottom wall of the channel 11 through the adjusting mechanism 32, then the cables are placed in different accommodating grooves 111 one by one, and the limiting plates 31 are driven to move towards the direction close to the bottom wall of the channel 11 through the adjusting mechanism 32 until the limiting plates 31 compress the cables, so that the cables are fixed in the accommodating grooves 111, the cables are prevented from being wound mutually, and the cables are stably and orderly borne.

In some embodiments, as shown in fig. 1 and 2, the middle portion of the limiting plate 31 is provided with a avoiding hole 311 through which the spacer 2 slides, and the side portion is connected to the adjusting mechanism 32. It will be appreciated that the relief holes 311 should be arranged in a one-to-one correspondence with the spacers 2 so as to be able to drive the limiting plate 31 to move in the third direction without affecting the adjustment structure. Wherein, there may be certain clearance between each inner wall of dodging hole 311 and spacer 2, so that can be convenient for at limiting plate 31 along the in-process of third direction motion, the limiting plate passes dodging hole 311, in addition, dodging hole 311 also can be constructed as partial or whole inner wall butt in spacer 2, so that limiting plate 31 is along the in-process of third direction motion, dodging the relative slip that inner wall and spacer 2 of hole 311 can mutually butt in order to play the guide effect to the motion of limiting plate 31 to a certain extent. Meanwhile, in order not to affect the bearing of the cable due to occupying the space of the channel 11, the adjusting mechanism 32 is connected to the side portion of the limiting plate 31 near the body 1.

In some other possible embodiments not shown in the drawings, a sliding groove may be formed on one or more spacers 2 along the second direction, where the limiting plates 31 are disposed in a plurality of one-to-one correspondence with the accommodating grooves 111, and the plurality of limiting plates 31 are connected to a slider extending along the second direction at intervals, the slider can slide along the extending direction of the sliding groove, and the adjusting mechanism 32 is connected to a side portion of the limiting plate 31 close to the body 1 or connected to the slider, so that the adjusting mechanism 32 may drive the limiting plate 31 or the slider to move along the third direction to compress the cable, which is not limited to this disclosure.

In some embodiments, as shown in fig. 1 and 2, the body 1 is provided with a guide groove 12 extending in a third direction, and a side edge of the limiting plate 31 slidably abuts against a groove wall of the guide groove 12 to slide along the guide groove 12. In this way, during the movement of the limiting plate 31 along the third direction driven by the adjusting mechanism 32, the guide groove 12 can limit the movement of the limiting plate 31 deviating from the third direction, in some other possible embodiments not shown in the drawings, the side portion of the limiting plate 31 may be further connected with a guide block, the body 1 is provided with a limiting groove extending along the third direction, and the guide block is slidably connected in the limiting groove, so that the limiting groove can limit the movement of the limiting plate 31 deviating from the third direction through the guide block, and it is understood that, due to the limitation of the size of the limiting plate 31, the size of the guide groove 12 along the first direction is larger, and the guide block can be set to any size, for example, the size of the guide block along the first direction may be configured to be smaller than the size of the limiting plate 31 along the first direction, and accordingly, the size of the limiting groove along the first direction is smaller than the size of the guide groove 12 along the first direction, so as to be able to improve the structural strength of the body 1, which is not limited in this disclosure.

In some embodiments, as shown in fig. 2 and 3, the adjusting mechanism 32 includes an adjusting screw 321 and a driving part 322, the adjusting screw 321 extends along a third direction, a threaded hole in threaded connection with the adjusting screw 321 is formed at a side portion of the limiting plate 31, and the driving part 322 drives the adjusting screw 321 to rotate. Thus, when the cable needs to be compressed by using the limiting plate 31, the driving part 322 drives the adjusting screw 321 to rotate, and then the adjusting screw 321 drives the limiting plate 31 to move along the third direction near the bottom wall of the channel 11 until the cable is compressed. Furthermore, it will be appreciated that the inclusion of the adjustment mechanism 32 with the adjustment screw 321 is merely exemplary, and in some other possible embodiments not shown in the drawings, the adjustment mechanism 32 may also include, for example, a screw extending in a third direction, a side portion of the limiting plate 31 being threadably connected to the screw, a driving portion 322 driving the connecting screw for driving the screw in rotation, or the adjustment mechanism 32 may also include, for example, a telescopic rod capable of being extended or shortened in the third direction, the driving portion 322 driving the connecting telescopic rod for driving the telescopic rod to move in the third direction toward or away from the bottom wall of the channel 11.

In some embodiments, as shown in fig. 2 and 3, the driving portion 322 includes a first bevel gear 3221 fixedly sleeved outside the adjusting screw 321, a connecting rod 3222 is rotatably connected to the body 1, a second bevel gear 3223 is fixedly sleeved at one end of the connecting rod 3222, which is close to the adjusting screw 321, the first bevel gear 3221 is meshed with the second bevel gear 3223, and a hand wheel 3224 is fixedly sleeved at one end of the connecting rod 3222, which is far away from the adjusting screw 321. Like this, when the rotation through adjusting screw 321 drives limiting plate 31 motion, rotate hand wheel 3224 in order to drive connecting rod 3222 rotation, and then connecting rod 3222 drive second bevel gear 3223 rotation, second bevel gear 3223 drive first bevel gear 3221 rotation through the meshing connection to drive adjusting screw 321 rotation, and then drive limiting plate 31 motion. In addition, in some other possible embodiments not shown in the drawings, the driving part 322 may also include a driving motor, where the driving motor may be mounted on the body 1, and an output shaft of the driving motor may be connected with an end of the connecting rod 3222 away from the adjusting screw 321 so as to be capable of driving the connecting rod 3222 to rotate, or the driving motor may also be mounted on the body 1, and an output shaft of the driving motor may be connected with one end of the adjusting screw 321 so as to be capable of directly driving the adjusting screw 321 to rotate, which is not limited in the present disclosure.

In some embodiments, as shown in fig. 2 and 3, a mounting groove 13 extending along a third direction is provided on the body 1 for mounting an adjusting screw 321 and a driving portion 322, the adjusting screw 321 is rotatably connected between two opposite groove walls of the mounting groove 13, a groove wall on one side of the mounting groove 13 near the limiting plate 31 is provided with a limiting groove 14 extending along the third direction, and the limiting plate 31 slidably abuts against the groove wall of the limiting groove 14 to slide along the extending direction of the limiting groove 14. In this way, the mounting groove 13 is formed to enable the adjusting screw 321 and the driving portion 322 to be disposed inside the body 1, so as to reduce the occupied space, and at the same time, the limiting groove 14 can limit the movement of the limiting plate 31 deviating from the third direction in the process of the movement of the limiting plate 31. In addition, similar to the case of the guide groove 12 in the above description, a stopper may be connected to the side portion of the limiting plate 31, a stopper groove extending in the third direction may be opened on the groove wall of the side of the mounting groove 13 close to the limiting plate 31, the stopper may slidably abut against the groove wall of the stopper groove, and the size of the limiting groove 14 in the first direction may be larger due to the limitation of the size of the limiting plate 31, and the stopper may be set to any size, for example, the size of the stopper in the first direction may be configured to be smaller than the size of the limiting plate 31 in the first direction, and accordingly, the size of the stopper groove in the first direction may be smaller than the size of the limiting groove 14 in the first direction, so as to be able to improve the structural strength of the body 1.

In some embodiments, as shown in fig. 1 and 2, the bridge unit further comprises a mounting member 4 provided on the body 1, and the body 1 is independently erected or connected to the external substrate by the mounting member 4. Specifically, the mounting member 4 may be composed of a bracket or a bracket, a mounting accessory, etc., the present disclosure exemplarily shows that the mounting member 4 is constructed in a bracket structure, the mounting member 4 is connected to the body 1 and is connected to an external base, such as a top inner wall of a building, through the mounting accessory, such as a fastening bolt, etc., to connect the bridge unit to the external base, or the mounting member 4 may be constructed as a bracket having one end connected to the body 1 and the other end connected to the ground through the mounting accessory, such as an anchor bolt, etc., to independently erect the bridge unit, the present disclosure is not limited thereto.

According to a second aspect of the present disclosure, referring to fig. 4 and 5, the present disclosure provides a bridge, including a plurality of bridge monomers that are sequentially connected, at least one bridge monomer is the above-mentioned bridge monomer, and two adjacent bridge monomers are spliced and fixed through a connection structure 5. Specifically, in some embodiments, the cable length is longer, and the bridge monomer needs a certain strength when bearing the cable, so the bearing length of the bridge monomer cannot be prolonged limitlessly, and therefore, the bridge monomer can be spliced and fixed through the connection structure 5 to prolong the bearing length, so as to meet the cable bearing requirement.

In some embodiments, as shown in fig. 4 and 5, the connection structure 5 includes a connection screw 51 and a threaded sleeve 52 that are disposed opposite to each other, the connection screw 51 being connected to one of the bridge units, and the threaded sleeve 52 being rotatably connected to the other bridge unit. Like this, when splice fixed to two adjacent crane span structure monomers, make one of them crane span structure monomer move towards another crane span structure monomer, wait that connecting screw rod 51 and screw sleeve 52 dock after, manual or other mode rotate screw sleeve 52, continue to drive this crane span structure monomer motion simultaneously, until two crane span structure monomer butt or connecting screw rod 51 and screw sleeve 52's threaded connection satisfy the safety requirements, and then realize two crane span structure monomer splice fixed, convenient operation. It will be appreciated that in the process of splicing, in order to enable the connecting screw 51 to align with the threaded sleeve 52, a guiding structure may be provided on the body 1, for example, a plugging rod is provided on the body 1 of one bridge unit, and a plugging slot for plugging the plugging rod is provided on the other bridge unit, so as to play a role in guiding and supporting in the process of threaded connection after the connecting screw 51 is butted with the threaded sleeve 52, so that the two bridge units keep stable translation in the process of splicing and fixing. In addition, the connecting screw rod 51 and the threaded sleeve 52 may be arranged in two or more pairs, for example, the connecting screw rod 51 and the threaded sleeve 52 are arranged in two pairs, the two pairs of connecting screw rod 51 and the threaded sleeve 52 may be arranged on the same side or different sides of the body 1, and similarly, the two pairs of connecting screw rods 51 and the threaded sleeve 52 may play a role in guiding and supporting in the process of threaded connection after the corresponding connecting screw rod 51 is in butt joint with the threaded sleeve 52, and it should be noted that the pitches of the two connecting screw rods 51 should be the same, and the clamping is not generated in the process of movement of the bridge monomer due to mutual restriction, so that the bridge monomer keeps stable translation.

In some embodiments, as shown in fig. 4 and 5, the connection screw 51 is connected to one of the bridge units through the first fixing block 511; the threaded sleeve 52 is connected to the other bridge unit through a second fixing block 521, a through hole 5211 is formed in the second fixing block 521, and the threaded sleeve 52 is rotatably connected to the inner wall of the through hole 5211 through a bearing 522. Thus, when two adjacent bridge units are spliced and fixed, the threaded sleeve 52 rotates through the bearing 522 so as to be in threaded connection with the connecting screw 51, and then the two bridge units are mutually close to each other and spliced and fixed. In some other possible embodiments not shown in the drawings, a first mounting hole may be formed on the first fixing block 511, the connecting screw 51 is rotatably connected to the first mounting hole through a bearing 522, a connecting threaded hole or a second mounting hole is formed on the second fixing block 521, the threaded sleeve 52 is connected to the second mounting hole, and when two adjacent bridge units are spliced and fixed, the connecting screw 51 is rotated through the bearing 522 to be in threaded connection with the connecting threaded hole or the threaded sleeve 52, so that two bridge units are mutually adjacent and spliced and fixed.

The present disclosure exemplarily shows the operation of the bridge unit when carrying cables.

When the cable bridge monomer is used for bearing cables, the hand wheel 3224 is rotated firstly to drive the connecting rod 3222 to rotate, then the connecting rod 3222 drives the second bevel gear 3223 to rotate, the second bevel gear 3223 drives the first bevel gear 3221 to rotate through engagement connection, so as to drive the adjusting screw rod 321 to rotate and drive the limiting plates 31 to move towards the direction away from the bottom wall of the channel 11, then the cables are placed in different accommodating grooves 111 one by one, the hand wheel 3224 is rotated in a reverse direction to drive the connecting rod 3222 to rotate, the connecting rod 3222 drives the second bevel gear 3223 to rotate, the second bevel gear 3223 drives the first bevel gear 3221 to rotate through engagement connection, so as to drive the adjusting screw rod 321 to rotate and drive the limiting plates 31 to move towards the direction close to the bottom wall of the channel 11 until the limiting plates 31 compress the cables, and the cables are fixed in the accommodating grooves 111.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (10)

1. A cable tray monomer, comprising:

A body having a channel extending in a first direction, the channel for carrying a cable;

A spacer disposed within the channel to be able to divide the channel into a plurality of receiving grooves extending in the first direction along a second direction perpendicular to the first direction for placing the cables; and

The compressing device comprises a limiting plate and an adjusting mechanism, wherein the limiting plate covers the accommodating groove and is in sliding fit with the spacer, and the adjusting mechanism is used for driving the limiting plate to move along a third direction close to or far away from the bottom wall of the channel so as to compress or release the cable.

2. The cable tray unit according to claim 1, wherein the middle part of the limiting plate is provided with a avoiding hole through which the spacer slides, and the side part is connected with the adjusting mechanism.

3. The cable tray unit according to claim 1 or 2, wherein the body is provided with a guide groove extending along the third direction, and a side edge of the limiting plate slidably abuts against a groove wall of the guide groove so as to slide along the guide groove.

4. The cable bridge monomer according to claim 1 or 2, wherein the adjusting mechanism comprises an adjusting screw and a driving part, the adjusting screw extends along the third direction, a threaded hole in threaded connection with the adjusting screw is formed on the side portion of the limiting plate, and the driving part is in driving connection with the adjusting screw for driving the adjusting screw to rotate.

5. The cable bridge monomer according to claim 4, wherein the driving part comprises a first bevel gear fixedly sleeved outside the adjusting screw, the body is rotatably connected with a connecting rod, a second bevel gear is fixedly sleeved at one end of the connecting rod, which is close to the adjusting screw, and the first bevel gear is meshed with the second bevel gear, and a hand wheel is fixedly sleeved at one end of the connecting rod, which is far away from the adjusting screw.

6. The cable bridge monomer according to claim 4, wherein the body is provided with a mounting groove extending along the third direction for mounting the adjusting screw and the driving part, the adjusting screw is rotatably connected between two opposite groove walls of the mounting groove, a groove wall of one side of the mounting groove, which is close to the limiting plate, is provided with a limiting groove extending along the third direction, and the limiting plate is slidably abutted to the groove wall of the limiting groove so as to slide along the extending direction of the limiting groove.

7. The cable tray unit of claim 1, further comprising a mounting member disposed on the body, the body being independently mounted or connected to an external base by the mounting member.

8. A bridge frame, which is characterized by comprising a plurality of bridge frame monomers which are sequentially connected, wherein at least one bridge frame monomer is the bridge frame monomer according to any one of claims 1-7, and two adjacent bridge frame monomers are spliced and fixed through a connecting structure.

9. The bridge of claim 8, wherein said connection structure comprises oppositely disposed connection screws and threaded sleeves, said connection screws being connected to one of said bridge cells and said threaded sleeves being rotatably connected to the other of said bridge cells.

10. The bridge of claim 9, wherein the connecting screw is connected to one of the bridge monomers by a first fixed block;

The threaded sleeve is connected to the other bridge frame monomer through a second fixed block, a through hole is formed in the second fixed block, and the threaded sleeve is rotatably connected to the inner wall of the through hole through a bearing.