CN111900680A - Polymer cable bridge with protection function - Google Patents

Abstract

The invention discloses a polymer cable bridge with a protective function, comprising a bottom shell, an upper cover and an installation component, wherein the bottom shell includes a bottom plate and two side plates, and the two side plates are parallelly connected to the left and right ends of the bottom plate; The upper cover is fastened to the two side plates, and a sealed cable placement cavity is formed between the upper cover and the two side plates, and a compressed carbon dioxide gas storage cavity and a sensor are provided in the upper cover along its length direction. A temperature-sensing glass placement cavity, a temperature-sensing glass column is inserted into the temperature-sensing glass placement cavity corresponding to each of the air outlets, and the temperature-sensing glass column is used to sense the temperature in the cable placement cavity. In the event of a fire in the cable, the temperature-sensing glass column When the internal liquid is heated and expands and the pressure rises to the specified value, the temperature-sensing glass column bursts, making the air inlet channel and the air outlet channel connected, and the high-concentration compressed carbon dioxide gas storage chamber is released to the cable placement chamber through the air outlet channel, which can isolate oxygen. Objective To achieve fire extinguishing of spontaneous combustion cables.

Description

A polymer cable tray with protective function

technical field

The invention relates to the field of cable trays, in particular to a polymer cable tray with a protective function.

Background technique

Polymer cable tray is a new type of material bridge product, it is suitable for petroleum, chemical, textile, electric power, machinery, transportation, civil construction and other fields, it can replace the current traditional metal bridge, compared with the traditional steel bridge, The service life is several times longer, reducing the secondary investment cost of replacing the bridge frame. The traditional steel bridge products have poor anti-corrosion performance, and the bridge must be painted and repaired regularly, and the material and labor costs are high. However, the polymer cable bridge has strong corrosion resistance, which greatly reduces the maintenance cost and maintenance time. The polymer cable tray does not need to be powered off during the maintenance period, and the loss caused by the production stoppage is also reduced accordingly, which effectively improves the production efficiency.

However, the current polymer cable tray also has some shortcomings. Due to the limitation of polymer materials, the fire resistance and fire insulation performance of the polymer cable tray is general. It is also difficult to adjust the height and inclination of the existing cable tray installation and fixing structure during installation and use, and the overall flatness of the installed cable tray is not high.

Therefore, how to solve the above-mentioned deficiencies in the prior art is the subject of the present invention.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention discloses a polymer cable tray with a protective function.

In order to achieve the above purpose, the present invention provides the following technical solutions: a polymer cable tray with a protective function, comprising a bottom shell, an upper cover and an installation component, the bottom shell includes a bottom plate and two side plates, the two side plates Connected to the left and right ends of the base plate in parallel;

The upper cover is fastened to the two side plates, and a sealed cable placement cavity is formed between the upper cover and the two side plates, and a compressed carbon dioxide gas storage cavity and a sensor are provided in the upper cover along its length direction. A temperature glass placement cavity, a plurality of air inlet channels and a plurality of air outlet channels are evenly opened in the upper cover along its length direction, and the plurality of air intake channels are located between the compressed carbon dioxide gas storage chamber and the temperature sensitive glass placement chamber, One end of the air inlet channel is connected to the compressed carbon dioxide gas storage chamber, the other end is connected to the temperature-sensitive glass placement chamber, one end of the air outlet channel is connected to the temperature-sensitive glass placement chamber, and the other end is connected to the cable placement chamber , the air inlet passage and the air outlet passage are arranged opposite to each other, and a temperature sensing glass column is inserted into the temperature sensing glass placement cavity corresponding to each of the air outlet passages, and the temperature sensing glass column is located between the air inlet passage and the air outlet passage. Between the passages, the two sides of the temperature sensing glass column seal the air inlet passage and the air outlet passage respectively;

There are four installation assemblies, and the four installation assemblies are respectively located at the bottom four corners of the bottom plate. The installation assemblies include an adjusting plate and a connecting plate that are arranged oppositely. On the connecting plate, and its sliding direction is parallel to the direction of the center line of the adjusting plate and the connecting plate, the left and right ends of the adjusting plate are respectively threaded with a bolt, and the threaded end of the bolt penetrates the adjusting plate and abuts against the adjusting plate. on the connection board.

As an improvement of the present invention, the top outer wall of the side plate is recessed with an arc-shaped slot inward, and both ends of the upper cover extend downward with a gusset plate, and the top ends of the two side plates are located at Between the two gusset plates, the gusset plate is protruded with a clip along its length direction toward the arc-shaped slot, the clip is clipped into the arc-shaped slot, and the arc-shaped slot is A sealing strip is also arranged between the groove and the clip.

As an improvement of the present invention, a plurality of partitions are arranged between the two side plates, the plurality of partitions are connected to the top of the bottom plate in parallel and spaced apart, and the bottom surface of the upper cover corresponding to the top of the partition is provided with a corresponding partition. A matching insert groove, and the top end of the separator is inserted into the insert groove.

As an improvement of the present invention, a baffle plate is fixed on both sides of the connecting plate corresponding to the adjusting plate, respectively, and a sliding groove is defined on the baffle along the direction of the center connecting line between the adjusting plate and the connecting plate, and the adjusting plate is The two ends of the slide groove are respectively connected with a guide post, and the guide post is slidably inserted into the slide groove.

As an improvement of the present invention, the bottom case has a hollow structure, and a plurality of support pipes are evenly arranged in the bottom case along its length direction, and both ends of the support pipes are respectively fixedly connected to the bottom case.

Compared with the prior art, the present invention has the following advantages:

1. The polymer cable tray of the present invention is provided with a compressed carbon dioxide gas storage cavity and a temperature-sensitive glass placement cavity in the upper cover along its length direction, and a temperature-sensitive glass column is inserted into the temperature-sensitive glass placement cavity corresponding to each of the gas outlet channels. , Through the temperature-sensing glass column to sense the temperature in the cavity where the cable is placed, when a fire occurs in the cable, the liquid in the temperature-sensing glass column is heated and expands and the pressure rises. The air outlet channel is connected, and the high-concentration compressed carbon dioxide gas storage chamber is released to the cable placement chamber through the air outlet channel, which can achieve the purpose of isolating oxygen to achieve fire extinguishing of spontaneous combustion cables;

2. The installation assembly of the cable tray includes an adjustment plate and a connection plate arranged oppositely. A bolt is respectively threaded through the left and right ends of the adjustment plate. The threaded end of the bolt penetrates the adjustment plate and abuts on the connection plate. Adjusting the bolts at both ends of the connecting plate in the two installation components can adjust the height of the cable tray synchronously. When only adjusting the bolt height of one of the installation components, the cable tray can be tilted, so as to realize the adjustment of its inclination. The component can easily adjust the height and inclination of the cable tray, so that the cable tray has a higher flatness after installation.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a partial enlarged schematic diagram at A in Fig. 1;

Figure 3 is a perspective view of the upper cover;

FIG. 4 is a partial enlarged schematic diagram of part B in FIG. 3 .

List of reference numerals: 100 bottom case, 101 bottom plate, 102 side plate, 103 arc slot, 104 partition plate, 200 upper cover, 201 compressed carbon dioxide gas storage cavity, 202 temperature sensing glass placement cavity, 203 air inlet channel, 204 Air outlet channel, 205 temperature-sensing glass column, 206 clip, 207 slot, 300 installation component, 301 adjustment plate, 302 connecting plate, 303 bolt, 304 baffle, 305 chute.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Example: Referring to Figures 1-4, a polymer cable tray with a protective function includes a bottom shell 100, an upper cover 200 and a mounting assembly 300. The bottom shell 100 includes a bottom plate 101 and two side plates 102. The plate 102 is connected to the left and right ends of the bottom plate 101 in parallel; the bottom plate 101 and the two side plates 102 are integrally formed by a mold during the production process;

The upper cover 200 is fastened on the two side plates 102, and a sealed cable placement cavity is formed between the upper cover 200 and the two side plates 102, and a compressed carbon dioxide gas storage cavity 201 is opened in the upper cover 200 along its length direction. and the temperature-sensing glass placement cavity 202, the upper cover 200 has a plurality of air inlet passages 203 and a plurality of air outlet passages 204 evenly opened along its length direction, and the plurality of air inlet passages 203 are located in the compressed carbon dioxide gas storage chamber 201 and the temperature-sensitive glass storage chamber 201. Between the chambers 202, one end of the air inlet channel 203 is connected to the compressed carbon dioxide gas storage chamber 201, the other end is connected to the temperature sensing glass placement chamber 202, one end of the air outlet channel 204 is connected to the temperature sensing glass placement chamber 202, and the other end is connected to the cable placement chamber , the air inlet channel 203 and the air outlet channel 204 are arranged opposite to each other, and a temperature sensor glass column 205 is inserted into each air outlet channel 204 in the temperature sensing glass placement cavity 202, and the temperature sensing glass column 205 is located between the air inlet channel 203 and the air outlet channel 204, The two sides of the temperature sensing glass column 205 seal the air inlet channel 203 and the air outlet channel 204 respectively; the temperature sensing glass column 205 is inserted between the air inlet channel 203 and the air outlet channel 204, and the edge gap can be filled with silicone sealant during sealing to seal;

During production, the compressed carbon dioxide gas storage chamber 201 is filled with 6-8MPa compressed carbon dioxide gas, and the temperature sensing glass column 205 can be a F3-F type temperature sensing glass column, which includes a glass tube column sealed at both ends, and the glass tube column Filled with heat-sensitive expanding liquid, the temperature-sensing glass column 205 senses the temperature in the cavity where the cable is placed. When a fire occurs in the cable, the liquid in the temperature-sensing glass column 205 is heated to expand and the pressure rises. The warm glass column 205 bursts, so that the air inlet channel 203 and the air outlet channel 204 are connected, and the carbon dioxide gas in the compressed carbon dioxide gas storage chamber 201 is released to the cable placement chamber through the air outlet channel 204. The cable placement chamber itself has little space, and the carbon dioxide gas can be discharged. Quickly fill the entire cable placement cavity to isolate oxygen and achieve the effect of extinguishing spontaneous combustion cables;

Four mounting assemblies 300 are provided, and the four mounting assemblies 300 are located at the bottom four corners of the bottom plate 101 respectively. The mounting assembly 300 includes an adjusting plate 301 and a connecting plate 302 arranged oppositely. The adjusting plate 301 is connected and fixed on the bottom plate 101. The adjusting plate 301 The connecting plate 302 is slidably and rotatably connected to the connecting plate 302, and its sliding direction is parallel to the direction of the center line connecting the adjusting plate 301 and the connecting plate 302. A chute 305 is provided on the plate 304 along the center line of the adjusting plate 301 and the connecting plate 302. The two ends of the adjusting plate 301 are respectively connected with a guide post corresponding to the chute 305, and the guide post is slidably inserted into the chute 305. constitute the sliding and rotating connection between the adjusting plate 301 and the connecting plate 302;

The left and right ends of the adjusting plate 301 are respectively threaded with a bolt 303, and the threaded end of the bolt 303 penetrates the adjusting plate 301 and abuts on the connecting plate 302;

During installation, the height of the cable tray can be adjusted synchronously by rotating the bolts 303 at both ends of the connecting plate 302 in the two installation assemblies 300 . This realizes the adjustment of its inclination, and the height and inclination of the cable tray can be conveniently adjusted through the installation assembly 300 .

The top outer wall of the side plate 102 is recessed inwardly with an arc-shaped slot 103 , both ends of the upper cover 200 extend downward with a gusset plate, the top of the two side plates 102 are located between the two gusset plates, and the gusset plate is along the edge of the gusset plate. A strip 206 protrudes toward the arc slot 103 in its length direction, the clip 206 is stuck in the arc slot 103, and a sealing strip is also arranged between the arc slot 103 and the strip 206. The sealing strip Silicone strips are used for good sealing.

A plurality of partitions 104 are arranged between the two side plates 102. The plurality of partitions 104 are connected to the top of the bottom plate 101 in parallel and spaced apart. The bottom surface of the upper cover 200 corresponds to the top of the partitions 104 with a matching slot 207. The partitions The top of the 104 is inserted into the insert groove 207, and a plurality of partitions 104 are separated to form a plurality of cable placement cavities. Different cables can be placed in each cable placement cavity, and are isolated from each other by the partitions 104 to avoid mutual influence.

The bottom case 100 has a hollow structure. A plurality of support pipes are evenly arranged in the bottom case 100 along its length direction. Both ends of the support pipes are fixedly connected to the bottom case 100 respectively. Increase its overall strength.

The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims (5)

1. A polymer cable tray with a protective function, characterized in that it comprises a bottom shell (100), an upper cover (200) and a mounting assembly (300), and the bottom shell (100) comprises a bottom plate (101) and two side plates (102), the two side plates (102) are connected in parallel to the left and right ends of the bottom plate (101); The upper cover (200) is fastened on the two side plates (102), and a sealed cable placement cavity is formed between the upper cover (200) and the two side plates (102). The upper cover (200) ) is provided with a compressed carbon dioxide gas storage chamber (201) and a temperature-sensitive glass placement chamber (202) along its length, and a plurality of air inlet passages (203) and a plurality of air inlet channels (203) and A plurality of air outlet passages (204), the plurality of air inlet passages (203) are located between the compressed carbon dioxide gas storage chamber (201) and the temperature sensing glass placement chamber (202), and one end of the air inlet passages (203) is communicated with The compressed carbon dioxide gas storage chamber (201) has the other end connected to the temperature sensing glass placement chamber (202), one end of the air outlet channel (204) is connected to the temperature sensing glass placement chamber (202), and the other end is connected to the temperature sensing glass placement chamber (202). A cable placement cavity is communicated, the air inlet passage (203) is arranged opposite to the air outlet passage (204), and a temperature sensing glass is inserted into the temperature sensing glass placement cavity (202) corresponding to each of the air outlet passages (204) A column (205), the temperature sensing glass column (205) is located between the air inlet passage (203) and the air outlet passage (204), and both sides of the temperature sensing glass column (205) respectively seal the air inlet passage (203) and the air outlet channel (204); There are four installation assemblies (300), the four installation assemblies (300) are respectively located at the bottom four corners of the bottom plate (101), and the installation assemblies (300) include an adjustment plate (301) and a connection plate ( 302), the adjusting plate (301) is connected and fixed on the bottom plate (101), the adjusting plate (301) is slidably and rotatably connected to the connecting plate (302), and its sliding direction is parallel to the adjusting plate (301) and the connecting plate ( 302), the left and right ends of the adjustment plate (301) are respectively threaded through a bolt (303), and the threaded end of the bolt (303) penetrates the adjustment plate (301) and abuts against the connection. board (302). 2. A polymer cable tray with a protective function according to claim 1, characterized in that: the top outer wall of the side plate (102) is recessed inwardly with an arc-shaped slot (103), and the upper A gusset plate extends downward from both ends of the cover (200), the top ends of the two side plates (102) are located between the two gusset plates, and the gusset plate faces the arc along its length direction The card slot (103) is protruded with a clip (206), the clip (206) is clipped into the arc-shaped clip slot (103), and the arc-shaped clip slot (103) is connected to the clip (206). 206) is also provided with a sealing strip. 3. A polymer cable tray with a protective function according to claim 1, characterized in that: a plurality of partitions (104) are arranged between the two side plates (102), and a plurality of the partitions (104) is connected to the top of the bottom plate (101) in parallel and spaced apart, the bottom surface of the upper cover (200) corresponding to the top of the partition plate (104) is provided with a matching groove (207), the partition plate (104) The tip is inserted into the insert groove (207). 4. A polymer cable tray with a protective function according to claim 1, characterized in that a baffle plate (304) is respectively fixed on both sides of the connecting plate (302) corresponding to the adjusting plate (301), A chute (305) is defined on the baffle plate (304) along the center line of the adjusting plate (301) and the connecting plate (302), and both ends of the adjusting plate (301) correspond to the chute (305). ) are respectively connected with a guide post, and the guide post is slidably inserted into the chute (305). 5. A polymer cable tray with a protective function according to claim 1, characterized in that: the bottom shell (100) has a hollow structure, and the bottom shell (100) is evenly provided with a plurality of A support tube, two ends of the support tube are respectively fixedly connected to the bottom case (100).

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