Telescopic connecting structure of groove type cable bridge

Abstract

The utility model discloses a telescopic connecting structure of a groove type cable bridge, and relates to the technical field of cable laying. The device comprises a connecting channel, a telescopic channel and an isolation frame, the connecting channel comprises a regular hexagonal transfer shell and outer channels symmetrically fixed to the two opposite faces of the transfer shell, and the transfer shell is communicated with the two outer channels; a telescopic channel with a U-shaped section is slidably connected into each outer channel, U-shaped sealing strips are bonded to the two ends of each telescopic channel, two sets of clamping grooves are formed in the two opposite faces of each telescopic channel, an isolation frame is jointly inserted into the two clamping grooves located in the same horizontal plane, and an isolation net is fixed in an inner cavity of the isolation frame. Through the arrangement of the connecting channel, the telescopic channel, the U-shaped sealing strip, the partition plate, the isolation frame and the isolation net, the problems that a groove type cable bridge connecting structure lacks a telescopic function and is insufficient in sealing performance, cables cannot be separated after being laid, interference is prone to being generated, and heat dissipation is poor are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to cable laying, and particularly relates to a telescopic connection structure of a trough-type cable bridge. Background Art

[0002] The trough cable tray is a trough component made of a whole steel plate. The difference between it and the tray rack is the height-to-width ratio. The tray rack is shallow and wide, while the trough cable tray has a certain depth and closure. The trough cable tray can be used for fully enclosed cable laying. It is most suitable for laying computer cables, communication cables, thermocouple cables and other control cables of highly sensitive systems. It has a good effect on shielding interference of control cables and protecting cables in heavy corrosion environments. Trough cable trays are usually set in fixed sizes, so when connecting two by two, there will inevitably be different lengths and spacings, so there are certain requirements for the relevant connection structure. Conventional connection structures have the following disadvantages in use:

[0003] Since the construction lengths of actual sites are inconsistent, it is difficult for fixed-size connection structures to meet usage requirements. It is necessary to adapt the connection according to the corresponding spacing, which requires the connection structure to have a certain degree of flexibility.

[0004] Secondly, if the connection structure is flexible, there may be some problems with its sealing. After the telescopic position is determined, it should be kept relatively sealed;

[0005] Finally, trough-type cable trays require the laying of a large number of cables. If they are piled up in large quantities, there may be signal interference or even poor heat dissipation problems, so certain separation is required during laying. Utility Model Content

[0006] The purpose of the utility model is to provide a telescopic connection structure of a trough-type cable tray. By arranging a connecting trough, a telescopic trough, a U-shaped sealing strip, a partition, an isolation frame, and an isolation net, the problems of the trough-type cable tray connection structure lacking telescopic function, insufficient sealing, and the inability to separate the cables after laying, easy interference and poor heat dissipation are solved.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is a telescopic connection structure of a trough-type cable tray, comprising a connection trough, a telescopic trough and an isolation frame, wherein the connection trough comprises a regular hexagonal transfer shell and outer troughs symmetrically fixed on two opposite surfaces of the transfer shell, and the transfer shell and the two outer troughs are connected;

[0009] Each of the outer grooves is slidably connected to a telescopic groove with a U-shaped cross-section, and U-shaped sealing strips are bonded to both ends of the telescopic groove. Two sets of card slots are opened on the two opposite surfaces of the telescopic groove. An isolation frame is inserted into the two card slots on the same horizontal plane, and an isolation net is fixed in the inner cavity of the isolation frame.

[0010] Furthermore, two sets of limiting grooves are provided on two opposite inner walls of the outer channel, and limiting strips matching the length of the limiting grooves are fixed on two opposite outer walls of the telescopic channel, and the limiting strips are inserted into the limiting grooves.

[0011] Furthermore, the upper end surfaces of the intermediate transfer shell and the outer channel are both designed as through-type openings, and a partition plate arranged at the same height as the isolation frame is fixed inside the intermediate transfer shell.

[0012] Furthermore, both inner walls and the bottom of the U-shaped sealing strip are screwed with screws and nailed into the outer groove.

[0013] Furthermore, the upper end surfaces of the outer channel, the telescopic channel and the intermediate shell are flush, and the bottom surface of the telescopic channel contacts the inner bottom surface of the outer channel.

[0014] Furthermore, the length of the telescopic channel is greater than the length of the outer channel.

[0015] The utility model has the following beneficial effects:

[0016] The utility model solves the problem that the trough-type cable bridge connection structure lacks a telescopic function by arranging a connecting trough and a telescopic trough; the telescopic trough can be telescopically moved in the outer trough of the connecting trough, and its amount in the outer trough can be changed, and it can be extended outside the outer trough, so that the extension distance of the telescopic trough is determined according to the distance between adjacent trough-type cable bridges, so that the connection length is adapted according to the actual distance, and one end of the telescopic trough extending out of the outer trough is connected to the adjacent trough-type cable bridge, and the telescopic trough is kept stable by plugging a limit strip into the limit slot.

[0017] The utility model solves the problem of insufficient sealing of the connection structure by arranging a U-shaped sealing strip; after determining the moving position of the telescopic groove, screws can be used to screw into the U-shaped sealing strip and nailed into the outer groove to fix it to increase the sealing and reduce interference from external water vapor, etc., and the telescopic groove can also be nailed into the outer groove by additional screws to remain relatively fixed.

[0018] The utility model solves the problems of cables being unable to be separated after being laid, being prone to interference and having poor heat dissipation by arranging partitions, isolation frames and isolation nets. The arrangement of the partitions and isolation frames at the bottom effectively divides the transfer shell and the inner cavity of the telescopic channel into an upper and lower chamber, in which the cables can be laid. The arrangement of the isolation net can maintain air circulation between the upper and lower chambers, and the uppermost partitions and isolation frames can be used as protection to avoid increased pressure when there are heavy objects above, thereby increasing the pressure-bearing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0020] Figure 1 A stereoscopic diagram of a telescopic connection structure of a trough-type cable tray;

[0021] Figure 2 is a structural diagram of the connecting groove;

[0022] Figure 3 It is a cross-sectional connection diagram of the outer channel and the telescopic channel;

[0023] Figure 4 It is the structural diagram of the telescopic channel;

[0024] Figure 5 This is a structural diagram of the isolation box.

[0025] Reference numerals:

[0026] 1. Connecting channel; 101. Transfer shell; 1011. Partition plate; 102. External channel; 1021. Limiting channel; 2. Telescopic channel; 201. Limiting strip; 202. Card slot; 203. U-shaped sealing strip; 2031. Screw; 3. Isolation frame; 301. Isolation net. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] See also Figure 1-5 As shown, the utility model is a telescopic connection structure of a trough-type cable tray, comprising a connection trough 1, a telescopic trough 2 and an isolation frame 3, wherein the connection trough 1 comprises a regular hexagonal transfer shell 101 and outer troughs 102 symmetrically fixed on two opposite surfaces of the transfer shell 101, and the transfer shell 101 and the two outer troughs 102 are connected;

[0029] The intermediate transfer shell 101 and the two outer channels 102 constitute the main body of the connection structure, which is placed between two adjacent trough-type cable trays for use;

[0030] Each outer channel 102 is slidably connected with a telescopic channel 2 with a U-shaped cross section, and both ends of the telescopic channel 2 are bonded with U-shaped sealing strips 203. Two sets of card slots 202 are opened on the two opposite surfaces of the telescopic channel 2. The two card slots 202 on the same horizontal plane are commonly plugged with an isolation frame 3, and an isolation net 301 is fixed in the inner cavity of the isolation frame 3;

[0031] One end of the telescopic groove 2 extending out of the outer groove 102 is used to connect with the adjacent trough-type cable tray. The telescopic groove 2 can be telescopically moved in the outer groove 102 to change the extended length and be adapted to trough-type cable trays with different spacings. Secondly, the U-shaped sealing strip 203 can increase the sealing effect. A card slot 202 is provided in the telescopic groove 2 to connect the isolation frame 3, which is used to separate its inner cavity to form an upper and lower chamber. Cables can be laid in the two chambers. The setting of the isolation net 301 can maintain air circulation in the upper and lower chambers, and the top partition 1011 and the isolation frame 3 can be used for protection.

[0032] Two sets of limiting grooves 1021 are provided on the two opposite inner walls of the outer channel 102, and limiting strips 201 matching the length of the limiting grooves 1021 are fixed on the two opposite outer walls of the telescopic channel 2, and the limiting strips 201 are inserted into the limiting grooves 1021;

[0033] The limiting strip 201 is inserted into the limiting groove 1021 to ensure stability during movement and to ensure that the telescopic channel 2 will not be loosened from other positions and can only move in a straight line.

[0034] The upper end surfaces of the intermediate shell 101 and the outer channel 102 are both through-opening designs, and a partition 1011 set at the same height as the isolation frame 3 is fixed inside the intermediate shell 101; the partition 1011 is synchronously adapted with the isolation frame 3, and the cables can be laid separately, and the two chambers separate the cables.

[0035] The two inner walls and the bottom of the U-shaped sealing strip 203 are screwed with screws 2031 and nailed into the outer channel 102; to increase stability, according to actual needs, fasteners such as screws 2031 can also be used between the telescopic channel 2 and the outer channel 102 to maintain stability.

[0036] The upper end surfaces of the outer channel 102, the telescopic channel 2 and the intermediate shell 101 are flush, and the bottom surface of the telescopic channel 2 contacts the inner bottom surface of the outer channel 102; the outer channel 102, the telescopic channel 2 and the intermediate shell 101 are all covered with relevant channel covers.

[0037] The length of the telescopic channel 2 is greater than the length of the outer channel 102 .

[0038] The specific working principle of the utility model is as follows: the intermediate shell 101 and the two outer grooves 102 constitute the main body of the connection structure, which is placed between two adjacent trough-type cable trays. The telescopic trough 2 is moved to extend out of the outer trough 102, and the limiting strip 201 is inserted into the limiting groove 1021 to ensure stability during movement, and also to ensure that the telescopic trough 2 will not loosen from other positions and can only move linearly. The distance of extension of the telescopic trough 2 is determined according to the distance between the adjacent trough-type cable trays. One end of the telescopic trough 2 extending out of the outer trough 102 is connected to the adjacent trough-type cable tray. After the position of the telescopic trough 2 is determined, the screw 2031 is screwed into the U-shaped The sealing strip 203 is nailed into the outer groove 102 for fixation to increase the sealing performance and reduce interference from external water vapor, and the telescopic groove 2 can also be nailed into the outer groove 102 with an additional screw 2031 to remain relatively fixed. When laying the cables, a card slot 202 is set in the telescopic groove 2 to clamp the isolation frame 3, and the partition 1011 and the isolation frame 3 are synchronously adapted and set. The setting of the partition 1011 and the isolation frame 3 located below effectively divides the inner cavity of the transit shell 101 and the telescopic groove 2 into two upper and lower chambers. The cables can be laid in the two chambers to achieve separated laying. The partition 1011 and the isolation frame 3 located above can be used for protection.

[0039] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A telescopic connection structure of a trough-type cable tray, comprising a connecting trough (1), a telescopic trough (2) and an isolation frame (3), characterized in that: The connecting channel (1) comprises a regular hexagonal middle rotating shell (101) and outer channels (102) symmetrically fixed on two opposite surfaces of the middle rotating shell (101), and the middle rotating shell (101) and the two outer channels (102) are connected; Each of the outer grooves (102) is slidably connected to a telescopic groove (2) having a U-shaped cross section, and both ends of the telescopic groove (2) are bonded with U-shaped sealing strips (203). Two groups of card slots (202) are provided on two opposite surfaces of the telescopic groove (2), and an isolation frame (3) is inserted into the two card slots (202) on the same horizontal plane, and an isolation net (301) is fixed in the inner cavity of the isolation frame (3).

2. The telescopic connection structure of a trough-type cable tray according to claim 1, characterized in that: Two sets of limiting grooves (1021) are provided on two opposite inner walls of the outer channel (102), and limiting strips (201) matching the length of the limiting grooves (1021) are fixed on two opposite outer walls of the telescopic channel (2), and the limiting strips (201) are inserted into the limiting grooves (1021).

3. The telescopic connection structure of a trough-type cable tray according to claim 1, characterized in that: The upper end surfaces of the intermediate transfer shell (101) and the outer channel (102) are both designed as through-type openings, and a partition plate (1011) arranged at the same height as the isolation frame (3) is fixed inside the intermediate transfer shell (101).

4. The telescopic connection structure of a trough-type cable tray according to claim 1, characterized in that: The two inner walls and the bottom of the U-shaped sealing strip (203) are both screwed with screws (2031) and nailed into the outer groove (102).

5. The telescopic connection structure of a trough-type cable tray according to claim 1, characterized in that: The upper end surfaces of the outer channel (102), the telescopic channel (2) and the intermediate shell (101) are flush, and the bottom surface of the telescopic channel (2) contacts the inner bottom surface of the outer channel (102).

6. The telescopic connection structure of a trough-type cable tray according to claim 1, characterized in that: The length of the telescopic channel (2) is greater than the length of the outer channel (102).

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