Installation method and installation device of cable bridge

Abstract

The invention belongs to the technical field of bridge installation, and relates to a cable bridge installation method and device, and the method comprises the following steps: forming a plurality of through holes in a rubber plugging strip; a hanging rod is arranged in each through hole; a rubber plugging strip is arranged in the mounting groove, one end of the rubber plugging strip is attached to the initial position of the mounting groove, a grouting port is formed in the end, and a check block is arranged at the other end of the rubber plugging strip; the baffle is attached to the lower end face of the rubber plugging strip. A supporting device is fixed below the baffle; the hanging rod is pressed towards the interior of the mounting groove to abut against the groove top of the mounting groove; a high-pressure grouting machine is communicated with the grouting port, and grouting materials are injected into the mounting groove till the grouting materials overflow from the gap; a grouting port is blocked; after the grouting material is solidified, the supporting device, the baffle and the rubber plugging strip are removed, and the mounting groove is flattened; and installing a cross arm and a cable bridge. According to the method and the device, the mounting groove is reserved in advance at the cable bridge mounting position, the construction process is simple, the suspender is prevented from falling off, high-altitude operation is less, and risks are reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bridge installation, and relates to a cable bridge installation method and installation device. BACKGROUND

[0002] The core role of the cable bridge is to support, protect and regularize the cable, and to provide a safe and orderly channel for cable laying. When installing the cable bridge in a ceiling or high-altitude scene, multiple holes are usually drilled in the wall or prefabricated floor by using an electric drill, expansion screws are used to fix the hanger rods on the ceiling or high-altitude scene building, and the hanger rods are used to fix the cable bridge. In the current technology, the drilling and expansion screwing in the installation process of the cable bridge need to be completed by the workers in the high altitude, which is complicated, has a high risk of high-altitude operation, is low in efficiency, and the hanger rod is easy to fall off from the building. SUMMARY

[0003] The application aims to provide a cable bridge installation method and installation device, and solve the problems of complicated installation operation, high risk of high-altitude operation, low efficiency and easy falling of the hanger rod from the building.

[0004] To achieve the above-mentioned purpose, the application adopts the following technical scheme: A cable bridge installation method is suitable for a prefabricated wall plate with a reserved installation slot, and the extension direction of the installation slot is consistent with the trend of the cable bridge on the prefabricated wall plate, and the specific steps are as follows: S1, multiple through holes are arranged on a rubber sealing strip, and the spacing between adjacent through holes is set according to the hanger rod spacing in the installation requirement of the cable bridge; S2, a hanger rod is arranged in each through hole; S3, the rubber sealing strip is arranged in the installation slot along the extension direction of the installation slot, one end of the rubber sealing strip is tightly attached to the starting position of the installation slot, a grouting port is arranged at the end, a stopper is arranged at the other end of the rubber sealing strip, the stopper is integrally formed with the rubber sealing strip, a gap of 1mm-2mm is arranged between the stopper and the top of the installation slot, and a gap is arranged between the side of the stopper close to the side wall of the installation slot and the side wall; S4, a baffle plate is attached to the lower end surface of the rubber sealing strip and the prefabricated wall plate at the same time, the baffle plate is a long strip mesh plate, and the hanger rod penetrates through the mesh hole of the baffle plate; S5, a support device is fixed below the baffle plate; S6, the hanger rod is pressed into the installation slot until the top of the installation slot is abutted; S7, the high-pressure grouting machine is communicated with the grouting port of the rubber sealing strip, and grouting material is injected into the installation slot until the grouting material overflows from the gap between the stopper and the top of the installation slot; S8, the high-pressure grouting machine is separated from the rubber sealing strip, and the grouting port is sealed; S9, after waiting for the grouting material in the installation groove to solidify, removing the support device, the baffle and the rubber blocking strip, and using cement mortar to smooth the installation groove; S10, fixing the cross arm between the hangers, and installing the cable bridge on the cross arm.

[0005] Preferably, when the cable bridge is long or the rubber blocking strip is multiple in step S3, the multiple rubber blocking strips are sequentially installed into the same installation groove, and the interval between the adjacent two rubber blocking strips is 1cm-2cm.

[0006] Preferably, step S3 further comprises: when the length of the last rubber blocking strip is greater than the length of the corresponding installation groove, cutting the rubber blocking strip into three parts, not using the middle part, and installing the parts at the two ends of the last rubber blocking strip into the installation groove, and the separated ends of the two end parts abut against each other in the installation groove; and a gap of 1cm-2cm is provided between the stop block of the last rubber blocking strip and the side wall of the installation groove.

[0007] Preferably, step S3 further comprises: before installing the rubber blocking strip into the installation groove, using clean water to flush and wet the installation groove.

[0008] Preferably, the support device in step S5 is a support rod or a supporting rod, when the support device is a support rod, the bottom end of the support device abuts against the ground; and when the support device is a supporting rod, the two ends of the supporting rod are located in the side wall of the installation groove close to the groove opening.

[0009] In another aspect, the present application also provides an installation device of a cable bridge, comprising a high-pressure grouting machine, a rubber blocking strip, a baffle and a support structure, the rubber blocking strip is a long strip structure adapted to the installation groove of the prefabricated wallboard, the rubber blocking strip is arranged in the installation groove along the extension direction of the installation groove, and one end of the rubber blocking strip closely abuts against the starting position of the installation groove, one end of the rubber blocking strip is provided with a grouting port, the grouting port is communicated with the high-pressure grouting machine through a hose, the other end of the rubber blocking strip is provided with a stop block, the stop block is arranged in the installation groove and a gap is provided between the stop block and the top of the installation groove, the stop block is adapted to the installation groove, the baffle is a long strip grid plate, the baffle presses the rubber blocking strip into the corresponding installation groove, the baffle is arranged in close contact with the corresponding rubber blocking strip, and the support structure is arranged below the baffle.

[0010] Preferably, the support structure is a support rod, and multiple support rods are sequentially arranged along the extension direction of the installation groove, and the top end of each support rod abuts against the baffle, and the bottom end of the support rod abuts against the ground.

[0011] Preferably, the rubber sealing strip further comprises a hard interface, the hard interface is a straight pipe with two ends in communication, the hard interface is provided with external threads, and one end of the hard interface is in communication with the grouting port; one end of the hose is provided with a hard female interface adapted to the hard interface, the hard female interface is provided with internal threads, and the hard female interface of the one end of the hose is in communication with the hard interface.

[0012] Preferably, the support rod comprises a bottom plate, a first section of support pipe, a second section of support pipe and a support flat plate, the bottom plate comprises a straight plate base and a sleeve fixed to the straight plate base, the first section of support pipe is a straight pipe, the top end of the first section of support pipe is provided with internal threads, and the bottom end of the first section of support pipe is inserted into the sleeve; the second section of support pipe is a straight pipe, the bottom end of the second section of support pipe is provided with external threads, and the bottom end of the second section of support pipe is threadedly connected to the top end of the first section of support pipe; the support flat plate is a rectangular plate, and the support flat plate is fixed to the top end of the second section of support pipe through a bearing.

[0013] Preferably, the support structure is a supporting rod, a plurality of fixed blind holes are symmetrically arranged on the side wall close to the slot of the installation groove, the baffle is arranged in the installation groove, and the supporting rod is arranged in the symmetric fixed blind holes.

[0014] Compared with the prior art, the present application has the following beneficial effects: (1) In the method, installation grooves are reserved in advance at positions where cable bridges are installed according to construction requirements when prefabricated wall plates are manufactured, and during on-site construction, only the hanger rods need to be inserted into the installation grooves and the installation grooves are filled with grouting material, so that the hanger rods are reinforced, the operation is simple, the construction speed is fast, the efficiency is improved, the installation strength is high, the hanger rods are prevented from falling off the building, the wall body is prevented from being damaged, the overall stability of the prefabricated wall body is maintained, high-altitude operation is reduced, and the risk is reduced; (2) The gap between the baffle and the top of the installation groove and the gap between the side of the baffle close to the side wall of the installation groove facilitate exhaust during grouting, and the solidification strength of the grouting material is enhanced; (3) The support structure supports the baffle, prevents the rubber sealing strip and the baffle from falling off during grouting, reduces the construction safety risk, and improves the construction efficiency; (4) The rubber sealing strip and the hose are threadedly connected through corresponding hard interfaces and hard female interfaces, and the hose is not easy to fall off during grouting; (5) The support structure adopts a support rod, the first section of support pipe of the support rod is inserted into the sleeve, and the second section of support pipe and the first section of support pipe are threadedly connected, so that the support rod is simple to disassemble and assemble and is convenient to use; (6) The support structure adopts a supporting rod, the supporting rod is located between the side walls close to the slot of the installation groove, construction is facilitated, and the complexity of on-site construction is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 This is a schematic diagram of Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the support rod in Embodiment 1 of the present invention; Figure 3 This is a schematic diagram illustrating a further implementation of Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of Embodiment 2 of the present invention.

[0016] Explanation of reference numerals in the attached drawings: 1. Precast wall panel; 11. Installation groove; 2. High-pressure grouting machine; 3. Rubber sealing strip; 31. Grouting port; 32. Stop block; 4. Baffle; 5. Hanger rod; 6. Hoses; 7. Support rod; 71. Base plate; 72. First section of support pipe; 73. Second section of support pipe; 74. Support plate; 8. Support rod. Detailed Implementation

[0017] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0018] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0019] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0020] This installation method is applicable to prefabricated wall panels 1 with pre-reserved mounting grooves 11, the extension direction of which is consistent with the trend of the cable tray on the prefabricated wall panel 1. Example 1

[0021] like Figure 1 As shown, a method for installing cable trays is applicable to prefabricated wall panels 1 with pre-reserved mounting grooves 11. The extension direction of the mounting grooves 11 is consistent with the trend of the cable trays on the prefabricated wall panel 1. The specific steps are as follows: S1. Multiple through holes are set on the rubber sealing strip 3, and the spacing between adjacent through holes is set according to the spacing of the hangers 5 in the installation requirements of the cable tray. S2. A hanger 5 is installed in each through hole; S3. The rubber sealing strip 3 is placed in the installation groove 11 along the extension direction of the installation groove 11, and one end of the rubber sealing strip 3 is closely fitted with the starting position of the installation groove 11. A grouting port 31 is provided at this end. A stop block 32 is provided at the other end of the rubber sealing strip 3. The stop block 32 is integrally formed with the rubber sealing strip 3. The stop block 32 is located in the installation groove 11 and a gap of 1mm-2mm is provided between the stop block 32 and the top of the installation groove 11. A gap of 1cm-2cm is provided between the stop block 32 and the side wall of the installation groove 11. S4. Attach the baffle 4 to the lower end face of the rubber sealing strip 3 and attach it to the precast wall panel 1. The baffle 4 is a long grid plate, and the hanger 5 passes through the grid holes of the baffle. S5. Fix multiple support rods 7 below the baffle, with the bottom of the support rods 7 abutting against the ground; S6. Press the hanger 5 into the mounting groove 11 until it abuts the top of the mounting groove 11; S7. Connect the high-pressure grouting machine 2 to the grouting port 31 of the rubber sealing strip 3, and inject grout into the installation groove 11 until the grout overflows from the gap between the stop block 32 and the top of the installation groove 11. S8. Separate the high-pressure grouting machine 2 from the rubber sealing strip 3, and seal the grouting port 31; S9. After the grout in the installation groove 11 has solidified, remove the support rod 7, baffle 4 and rubber sealing strip 3, and smooth the installation groove 11 with cement mortar. S10. Fix a crossarm between the five hangers and install a cable tray on the crossarm.

[0022] The present invention also provides an installation device for a cable tray based on Embodiment 1, such as... Figure 1As shown, the installation method applicable to Embodiment 1 above includes a high-pressure grouting machine 2, a rubber sealing strip 3, a baffle 4, and a support rod 7. The rubber sealing strip 3 is a long strip structure adapted to the mounting groove 11. The rubber sealing strip 3 is set in the mounting groove 11 along the extension direction of the mounting groove 11, and one end of the rubber sealing strip 3 is tightly fitted with the starting position of the mounting groove 11. A grouting port 31 is provided at one end of the rubber sealing strip 3. The rubber sealing strip 3 also includes a rigid interface, which is a straight pipe with both ends connected. The rigid interface is provided with external threads, and one end of the rigid interface is connected to the grouting port 31. A rigid female end of a flexible hose 6 is provided at one end, which is adapted to the rigid interface. The rigid female end is provided with internal threads, and the rigid female end of the flexible hose is connected to the rigid interface. The other end of the flexible hose 6 is connected to the high-pressure grouting machine 2. A stop block 32 is provided at the other end of the rubber sealing strip 3. The stop block 32 is adapted to the mounting groove 11. Block 32 is installed in the mounting groove 11 with a gap between it and the top of the groove 11. A 1cm-2cm gap is also provided between the block 32 and the side wall of the mounting groove 11. The baffle 4 is a long strip of mesh plate. The rubber sealing strip 3 is pressed into the corresponding mounting groove 11, and the baffle 4 is fitted snugly against the rubber sealing strip 3. A support rod 7 is installed below the baffle 4. Multiple support rods 7 are arranged sequentially along the extension direction of the mounting groove 11, with the upper end of each support rod 7 abutting against the baffle 4 and the lower end abutting against the ground. The gaps between the block and the top of the mounting groove, and between the block and the side wall of the mounting groove, facilitate air venting during construction. The rubber sealing strip and hose are connected by corresponding rigid interfaces and rigid female threads to prevent the hose from falling off during construction, reducing maintenance time and improving construction efficiency. The support rods support the baffle to prevent the baffle and rubber sealing strip from falling off during construction.

[0023] like Figure 2 As shown, the support rod 7 includes a base plate 71, a first support tube 72, a second support tube 73, and a support plate 74. The base plate 71 includes a straight base and a sleeve fixed to the straight base. The first support tube 72 is a straight tube with an internal thread at its top and its bottom end inserted into the sleeve. The second support tube 73 is a straight tube with an external thread at its bottom and its bottom end threaded to the top of the first support tube 72. The support plate 74 is a rectangular plate and is fixed to the top of the second support tube by a bearing. The first support tube of the support rod is inserted into the sleeve of the base plate for easy operation. The second support tube and the first support tube are connected by internal and external threads, which improves stability and facilitates disassembly and assembly.

[0024] A further implementation of Example 1 is as follows: Figure 3 As shown, when the cable tray is long or there are multiple rubber sealing strips, the specific steps are as follows: S1. Multiple through holes are set on the rubber sealing strip 3, and the spacing between adjacent through holes is set according to the spacing of the hangers 5 in the installation requirements of the cable tray. S2. A hanger 5 is installed in each through hole; S3. Rinse and wet the installation groove 11 with clean water, and then place multiple rubber sealing strips 3 in the installation groove 11 in sequence along the extension direction of the installation groove 11. The distance between two adjacent rubber sealing strips 3 is 1cm-2cm. One end of each rubber sealing strip 3 is tightly fitted to the starting position of the installation groove 11, and a grouting port 31 is set at this end. A stop block 32 is set at the other end of each rubber sealing strip 3. Each stop block 32 is located in the installation groove 11 and a gap of 1mm-2mm is set between the stop block 32 and the top of the installation groove 11. A gap of 1cm-2cm is set between the stop block 32 and the side of the installation groove 11 closest to the side wall. S4. Attach the baffle 4 to the lower end face of the rubber sealing strip 3 and attach it to the precast wall panel 1. The baffle 4 is a long grid plate, and the hanger 5 passes through the grid holes of the baffle. S5. Fix multiple support rods 7 below the baffle, with the bottom of the support rods 7 abutting against the ground; S6. Press the hanger 5 into the mounting groove 11 until it abuts the top of the mounting groove 11; S7. Connect the high-pressure grouting machine 2 to the grouting port 31 of the rubber sealing strip 3, and inject grout into the installation groove 11 until the grout overflows from the gap between the stop block 32 and the top of the installation groove 11. S8. Separate the high-pressure grouting machine 2 from the rubber sealing strip 3, and seal the grouting port 31; S9. After the grout in the installation groove 11 has solidified, remove the support rod 7, baffle 4 and rubber sealing strip 3, and use cement mortar to smooth the unfilled installation groove 11 between two adjacent rubber sealing strips. S10. Fix a crossarm between the five hangers and install a cable tray on the crossarm.

[0025] A further implementation method is as follows: In step S3, when the length of the last rubber sealing strip 3 is greater than the length of the corresponding mounting groove 11, the rubber sealing strip 3 is cut into three parts, the middle part is not used, and the two ends of the rubber sealing strip are installed in the mounting groove 11, and the separated ends of the two ends abut against each other in the mounting groove 11; a gap of 1cm-2cm is provided between the stop of the rubber sealing strip 3 and the side wall of the mounting groove 11.

[0026] A cable tray installation device based on the above embodiments, such as Figure 3As shown, the system includes a high-pressure grouting machine 2, rubber sealing strips 3, baffles 4, and support rods 7. The rubber sealing strips 3 are elongated structures adapted to the mounting groove 11. Multiple rubber sealing strips 3 are sequentially arranged within the mounting groove 11 along its extension direction, with a spacing of 1cm-2cm between adjacent strips. One end of each rubber sealing strip 3 is tightly fitted to the starting position of the mounting groove 11. Each rubber sealing strip 3 has a grouting port 31 at one end. The rubber sealing strip 3 also includes a rigid interface, which is a straight pipe with both ends connected. The rigid interface has external threads, and one end of the rigid interface is connected to the grouting port 31. A flexible hose 6 is attached to one end of the hose. The hose is equipped with a rigid female connector that is compatible with the rigid interface. The rigid female connector has an internal thread. One end of the hose is connected to the rigid interface, and the other end of the hose is connected to the high-pressure grouting machine 2. Each rubber sealing strip 3 has a stop block 32 at its other end. The stop block 32 is compatible with the installation groove 11. The stop block 32 is installed in the installation groove 11 and a gap is set between it and the top of the installation groove 11. The side of the stop block 32 closest to the side wall of the installation groove 11 has a gap of 1cm-2cm with it. The baffle 4 is a long strip of mesh plate. The rubber sealing strip 3 is pressed into the corresponding installation groove 11. The baffle 4 is fitted to the rubber sealing strip 3. A support rod 7 is set below the baffle 4. Example 2

[0027] like Figure 1 As shown, a method for installing cable trays is applicable to prefabricated wall panels 1 with pre-reserved mounting grooves 11. The extension direction of the mounting grooves 11 is consistent with the trend of the cable trays on the prefabricated wall panel 1. The specific steps are as follows: S1. Multiple through holes are set on the rubber sealing strip 3, and the spacing between adjacent through holes is set according to the spacing of the hangers 5 in the installation requirements of the cable tray. S2. A hanger 5 is installed in each through hole; S3. The rubber sealing strip 3 is placed in the installation groove 11 along the extension direction of the installation groove 11, and one end of the rubber sealing strip 3 is closely fitted with the starting position of the installation groove 11. The end is provided with a grouting port 31. The stop block 32 is placed in the installation groove 11 and a gap of 1mm-2mm is provided between the stop block 32 and the top of the installation groove 11. S4. The baffle 4 is attached to the lower end face of the rubber sealing strip 3 and is also attached to the precast wall panel 1. The baffle 4 is a long grid plate and the hanging rod 5 passes through the grid holes of the baffle. S5. Fix multiple support rods 8 below the baffle, with both ends of the support rods 8 located inside the side wall of the mounting groove 11 near the groove opening; S6. Press the hanger 5 into the mounting groove 11 until it abuts the top of the mounting groove 11; S7. Connect the high-pressure grouting machine 2 to the grouting port 31 of the rubber sealing strip 3, and inject grout into the installation groove 11 until the grout overflows from the gap between the stop block 32 and the top of the installation groove 11. S8. Separate the high-pressure grouting machine 2 from the rubber sealing strip 3, and seal the grouting port 31; S9. After the grout in the installation groove 11 has solidified, remove the support rod 8, baffle 1 and rubber sealing strip 3, and smooth the installation groove with cement mortar. S10. Fix a crossarm between the five hangers and install a cable tray on the crossarm.

[0028] The cable tray installation device based on Example 2, such as Figure 4 As shown, the system includes a high-pressure grouting machine 2, a rubber sealing strip 3, a baffle 4, and a support rod 8. The rubber sealing strip 3 is a long strip structure adapted to the mounting groove 11. The rubber sealing strip 3 is set in the mounting groove 11 along its extension direction, and one end of the rubber sealing strip 3 is tightly fitted to the starting position of the mounting groove 11. A grouting port 31 is provided at one end of the rubber sealing strip 3. The rubber sealing strip 3 also includes a rigid interface, which is a straight pipe with both ends connected. The rigid interface is provided with external threads, and one end of the rigid interface is connected to the grouting port 31. A flexible hose 6 is provided at one end with a rigid female end adapted to the rigid interface. The rigid female end is provided with internal threads, and the rigid female end of the flexible hose is connected to the rigid interface. The other end is connected to the high-pressure grouting machine 2; the other end of the rubber sealing strip 3 is provided with a stop block 32, which is adapted to the installation groove 11. The stop block 32 is installed in the installation groove 11 and a gap is set between it and the top of the installation groove 11. The baffle 4 is a long strip grid plate. The rubber sealing strip 3 is pressed into the corresponding installation groove 11. The baffle 4 is fitted with the rubber sealing strip 3. Multiple fixing blind holes are symmetrically arranged on the side wall of the installation groove 11 near the groove opening. The baffle 4 is set in the installation groove 11, and the brackets 8 are installed in the symmetrical fixing blind holes. The multiple brackets 8 fix the baffle 4 in the installation groove 11. The brackets replace the support rods. The brackets are located between the side walls of the installation groove. There are no obstacles on the construction site, which facilitates construction.

[0029] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0030] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for installing a cable tray, applicable to prefabricated wall panels with pre-drilled mounting grooves, wherein the extension direction of the mounting grooves is consistent with the orientation of the cable tray on the prefabricated wall panel, characterized in that, The specific steps are as follows: S1. Multiple through holes are set on the rubber sealing strip, and the spacing between adjacent through holes is set according to the spacing of the hangers in the installation requirements of the cable tray; S2. A hanger rod is installed in each through hole; S3. The rubber sealing strip is placed in the installation groove along the extension direction of the installation groove, and one end of the rubber sealing strip is tightly fitted with the starting position of the installation groove. A grouting port is set at this end. A stop block is set at the other end of the rubber sealing strip. The stop block is integrally formed with the rubber sealing strip. The stop block is located in the installation groove and a 1mm-2mm gap is set between the stop block and the top of the installation groove. A gap is set between the stop block and the side wall of the installation groove. S4. Attach the baffle to the lower end of the rubber sealing strip and attach it to the precast wall panel. The baffle is a long strip grid panel, and the hanger rod passes through the grid holes of the baffle. S5. Fix a support device under the baffle; S6. Press the boom into the mounting groove until it abuts the top of the mounting groove; S7. Connect the high-pressure grouting machine to the grouting port of the rubber sealing strip, and inject grout into the installation groove until the grout overflows from the gap between the stop block and the top of the installation groove. S8. Separate the high-pressure grouting machine from the rubber sealing strip and seal the grouting port; S9. After the grout in the installation groove has solidified, remove the support device, baffle and rubber sealing strip, and smooth the installation groove with cement mortar. S10. Fix a crossarm between the hangers and install a cable tray on the crossarm.

2. The method for installing a cable tray according to claim 1, characterized in that, In step S3, when the cable tray is long or there are multiple rubber sealing strips, the multiple rubber sealing strips are installed sequentially into the same mounting groove, and the distance between two adjacent rubber sealing strips is 1cm-2cm.

3. The method for installing a cable tray according to claim 2, characterized in that, Step S3 further includes cutting the last rubber sealing strip into three parts when the length of the last rubber sealing strip is greater than the length of the corresponding installation groove. The middle part is not used, and the two ends of the last rubber sealing strip are installed in the installation groove, with the separated ends of the two ends abutting each other in the installation groove. A gap of 1cm-2cm is provided between the stop of the last rubber sealing strip and the side wall of the installation groove.

4. The installation method of a cable tray according to claim 1, characterized in that, Step S3 further includes rinsing and wetting the installation groove with clean water before installing the rubber sealing strip into the installation groove.

5. The installation method of a cable tray according to claim 1, characterized in that, In step S5, the supporting device is either a support rod or a bracket. When the supporting device is a support rod, the bottom end of the supporting device abuts against the ground; when the supporting device is a bracket, both ends of the bracket are located inside the side wall of the mounting groove near the groove opening.

6. A cable tray installation device based on the method of claim 1, characterized in that, The system includes a high-pressure grouting machine, rubber sealing strips, baffles, and a supporting structure. The rubber sealing strip is a long strip structure adapted to the installation groove of the precast wall panel. The rubber sealing strip is set in the installation groove along its extension direction, and one end of the rubber sealing strip is tightly fitted to the starting position of the installation groove. One end of the rubber sealing strip is provided with a grouting port, which is connected to the high-pressure grouting machine through a hose. The other end of the rubber sealing strip is provided with a stop block, which is installed in the installation groove and has a gap between it and the top of the groove. The stop block is adapted to the installation groove. The baffle is a long strip of mesh plate that presses the rubber sealing strip into the corresponding installation groove. The baffle is fitted tightly to the corresponding rubber sealing strip, and a supporting structure is provided below the baffle.

7. The cable tray installation device according to claim 6, characterized in that, The support structure is a support rod, with multiple support rods arranged sequentially along the extension direction of the mounting groove. The top end of each support rod abuts against the baffle, and the bottom end of the support rod abuts against the ground.

8. The cable tray installation device according to claim 6, characterized in that, The rubber sealing strip also includes a rigid interface, which is a straight pipe with both ends connected. The rigid interface is provided with external threads, and one end of the rigid interface is connected to the grouting port. One end of the flexible hose is provided with a rigid female end that is adapted to the rigid interface. The rigid female end is provided with internal threads, and the rigid female end of the flexible hose is connected to the rigid interface.

9. The cable tray installation device according to claim 7, characterized in that, The support rod includes a base plate, a first support tube, a second support tube, and a support plate. The base plate includes a straight base and a sleeve fixed to the straight base. The first support tube is a straight tube with an internal thread at its top and its bottom end inserted into the sleeve. The second support tube is also a straight tube with an external thread at its bottom and its bottom end threaded to the top of the first support tube. The support plate is a rectangular plate and is fixed to the top of the second support tube by a bearing.

10. The cable tray installation device according to claim 6, characterized in that, The support structure is a bracket. Multiple fixing blind holes are symmetrically arranged on the side wall of the mounting groove near the groove opening. The baffle is set in the mounting groove, and the bracket is installed in the symmetrical fixing blind holes. The multiple brackets fix the baffle in the mounting groove.

Images