一：托臂裝置完后，即可停止梯式直通橋架的裝置。

1： After the bracket device is completed, the device of ladder type straight bridge can be stopped.

⑴橋架經(jīng)過(guò)固定壓片、托臂擋板和螺栓固定在托臂上，兩個(gè)橋架之間經(jīng)過(guò)銜接片和螺栓銜接，留意螺栓的螺帽應(yīng)裝在橋架外側(cè)。

(1) the bridge is fixed on the bracket through the fixed pressing plate, bracket baffle and bolts. The two bridges are connected through the connecting plate and bolts. Note that the nut of the bolt should be installed outside the bridge.

⑵多層橋架裝置，從上到下順次裝置。

(2) multi layer bridge device, from top to bottom.

⑶直線段每裝置超越30米橋架后設(shè)置一處伸縮節(jié)，用伸縮銜接板相連。

(3) in the straight-line section, an expansion joint is set after each device exceeds 30 meters of the bridge, which is connected with an expansion joint plate.

⑷每隔20米將橋架用廠家提供的接地銅編織帶與☆接地支線相連，兩節(jié)橋架之間用一根接地銅編織帶(4mm2，L=100mm)相連。

(4) connect the bridge with the grounding branch line with the grounding copper braid provided by the manufacturer every 20 meters, and connect the two bridges with a grounding copper braid (4mm2, l=100mm).

⑸橋架裝置應(yīng)結(jié)實(shí)，橫平豎直，直線段走向的橋架左右偏向不大于10mm，上下偏向不大于5mm。

(5) the bridge device shall be solid, horizontal and vertical, and the left-right deviation of the bridge in the straight section shall not be greater than 10mm, and the upper and lower deviation shall not be greater than 5mm.

二：橋架轉(zhuǎn)彎處經(jīng)過(guò)彎通銜接，彎曲半徑不應(yīng)小于該處橋架上的電纜小允許彎曲半徑。

2： The bending radius at the turning of the bridge shall not be less than the small allowable bending radius of the cable on the bridge.

⑴轉(zhuǎn)彎處電纜橋架在裝置時(shí)應(yīng)在彎頭兩側(cè)1m處各裝置一個(gè)托臂，為避免轉(zhuǎn)彎處橋架彎頭傾斜,可在橋架另一側(cè)加一個(gè)托臂加以固定;

(1) when installing the cable tray at the turn, a bracket should be installed at 1m on both sides of the elbow. In order to avoid the inclination of the cable tray elbow at the turn, a bracket can be added on the other side of the cable tray to fix it;

⑵當(dāng)橋架寬度>300mm時(shí)，在非直線段中部還應(yīng)增設(shè)一個(gè)支吊架。

(2) when the bridge width is >300mm, a support and hanger shall be added in the middle of the non-linear section.

⑶需求避讓機(jī)電管路的部位以及廊道轉(zhuǎn)角處、?樓梯坡度轉(zhuǎn)折處等特殊部位，

⑶ the parts of electromechanical pipelines and the corners of corridors that need to be avoided? Special parts such as the turning point of stair slope,

⑷需求依據(jù)實(shí)踐狀況現(xiàn)場(chǎng)采用彎頭或現(xiàn)場(chǎng)切割制造橋架，使橋架拼接契合裝置要求，并在切割后的橋架側(cè)壁依據(jù)需求配鉆橋架銜接孔，

(4) according to the actual situation, elbows or on-site cutting shall be used to manufacture the bridge on site to make the bridge splicing meet the requirements of the device, and the bridge connection holes shall be drilled on the side wall of the cut bridge according to the requirements,

⑸橋架制造完成后肅清毛刺、卷邊，并按要求停止防腐。

(5) after the bridge is manufactured, remove the burrs and curls, and stop anti-corrosion as required.

三：橋架裝置后，在下面鋪上阻燃隔板，阻燃隔板之間經(jīng)過(guò)鉚釘與橋架橫擔(dān)銜接，隔板之間涂上磷晴樹(shù)脂粘接劑。豎向裝置的橋架因鋪設(shè)了阻燃隔板，無(wú)法應(yīng)用橋架橫擔(dān)固定電纜，距離1米在橋架上沿寬度方向鉆若干個(gè)孔，敷設(shè)電纜時(shí)可應(yīng)用這些孔，用尼龍?jiān)鷰Ы壴潭娎|。

3： After the bridge is installed, fire-retardant diaphragms are paved below. The fire-retardant diaphragms are connected with the bridge cross arm through rivets, and the diaphragms are coated with phosphorous resin adhesive. Due to the laying of flame-retardant partitions on the bridge of the vertical device, the cross arm of the bridge cannot be used to fix the cable. Several holes can be drilled on the bridge along the width direction at a distance of 1m. These holes can be used when laying the cable, and the cable can be bound and fixed with nylon ties.

上面是橋架與托臂之間的兩種銜接方式：

Above are two connection methods between bridge and bracket:

(1)程度裝置：梯式橋架(沒(méi)有阻燃隔板)程度裝置時(shí)，普通采用梯式固定壓片，山東電纜橋架橫擔(dān)上有阻燃隔板，相當(dāng)于槽式橋架，沒(méi)有方法裝置梯式固定壓片，特采用托臂擋板裝置，托臂擋板作用避免橋架從托臂上滑落。

(1) Degree device: when the ladder type cable tray (without fire-retardant partition) degree device is used, the ladder type fixed tablet is generally used. There is a fire-retardant partition on the cross arm of Shandong cable tray, which is equivalent to the trough type cable tray. There is no way to install the ladder type fixed tablet. The bracket baffle device is especially used. The bracket baffle is used to prevent the bridge from sliding from the bracket.

(2)豎向裝置：梯式橋架豎向裝置時(shí)，橋架有左右滑動(dòng)和掉落的趨向，為避免橋架左右滑動(dòng)和掉落，需對(duì)橋架停止限位固定，即把橋架經(jīng)過(guò)連接件結(jié)實(shí)固定在托臂上.

(2) Vertical device: when the ladder bridge is installed vertically, the bridge tends to slide and fall left and right. In order to avoid sliding and falling left and right, it is necessary to stop limiting and fixing the bridge, that is, firmly fix the bridge on the bracket through the connector

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