Assembly type prefabricated maintenance working well pipe gallery system

Abstract

The utility model provides an assembly type prefabricated overhaul work well pipe gallery system, and relates to the technical field of assembly type prefabricated pipe galleries. The inspection well comprises the groove body, the first layer of concrete is fixedly connected to the bottom face of the inner side of the groove body, the second layer of concrete is fixedly connected to the upper surface of the first layer of concrete, the structural strength of the inspection well is improved through the chamfer structure arranged in the shell, and the grounding ring is arranged at the bottom of the inspection well, so that the service life of the inspection well is prolonged. The cable rack is used for installing a ground wire, guiding current to the ground and guaranteeing the safety of personnel entering a maintenance well, meanwhile, an iron ring structure at the top is used for guiding the current to the ground and preventing the current from hurting the maintenance personnel, and the cable rack is connected through vertical welding or punching bolts to form a three-layer cable rack. The cable of the cable duct bank connected with the two ends is divided into two parts to be placed on the cable rack, a passage for people to pass through is reserved in the middle of a working well, people can go down to overhaul conveniently, the overhaul wells which are cast in advance are spliced and connected, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of an assembled prefabricated maintenance well pipe gallery system and a construction method, in particular to an assembled prefabricated maintenance well pipe gallery system. Background Art

[0002] Manholes, typically equipped with ladders, platforms, or passageways, facilitate access and operations. They are widely used in various infrastructures, including but not limited to public facilities such as electricity, communications, water supply, drainage, and gas. Especially in urban infrastructure construction, manholes are a crucial component for daily management, emergency maintenance, equipment replacement, and troubleshooting.

[0003] Existing cable inspection wells are manufactured by on-site casting, which takes a long time to construct. In addition, cast-in-place inspection wells have limitations and are affected by geographical conditions. Existing prefabricated inspection wells are in the form of separate parts, including covers and side walls, with small volume, narrow scope of application, weak structure and difficult construction. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled prefabricated maintenance manhole corridor system, which solves the problems of long construction time, geographical restrictions and weak split structure.

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] The assembled prefabricated maintenance well pipe gallery system includes a groove body, a cable pipe arrangement mechanism and an inspection well mechanism. A low-potential groove is further provided in the groove body, and an inspection well mechanism is arranged in the low-potential groove. The cable pipe arrangement mechanism is symmetrically connected at both ends of the upper part of the inspection well mechanism. The bottom surface of the cable pipe arrangement mechanism is higher than the bottom surface position of the inspection well mechanism. The inspection well mechanism includes a cushion layer and an inspection well. The cushion layer includes a first layer of concrete, an inspection well support frame and a second layer of concrete. The bottom surface of the inner side of the low-potential groove is paved with a first layer of concrete. The upper surface of the first layer of concrete is provided with a An inspection well support frame is provided and fixed by a second layer of concrete. Both ends of the inspection well support frame are tightly fixed to the trough wall. The upper surface of the second layer of concrete is provided with an inspection well. The cable pipe arrangement mechanism includes a cushion layer and a cable pipe. The cushion layer includes a first layer of concrete, a pipe support frame and a second layer of concrete. A pipe support frame is provided on the upper surface of the first layer of concrete. One end of the pipe support frame is inserted into the side wall of the inspection well for positioning and is fixed by the second layer of concrete. A cable pipe is installed on the upper surface of the pipe support frame to enable the cable pipe to be slidably inserted on both sides of the inspection well.

[0007] The inspection well comprises two mounting walls and a plurality of unit inspection wells. A pipe installation opening is formed in the middle of the mounting wall, and a stopper opening is provided below the pipe installation opening for inserting and limiting the end of the pipe support frame. Multiple unit inspection wells are arranged between the two mounting walls to form a whole.

[0008] Moreover, the unit inspection well includes a shell, a terminal piece, an iron ring structure, a mounting groove, a ring groove, a cable rack, a grounding ring, a chamfered block, a bolt hole and a lifting ring. The shell is installed on the upper surface of the second layer of concrete. The mounting groove is opened at the rear end of the shell. The front end of the shell is provided with a protrusion corresponding to the shell. The ring groove is opened on the side surface of the mounting groove. The chamfered block is fixedly connected to the inner four corner edges of the shell.

[0009] Moreover, the cable rack is fixedly connected to the inner surface of the shell, the grounding ring is fixedly connected to the inner bottom surface of the shell, the iron ring structure is fixedly connected to the upper surface of the shell, the hanging ring is fixedly connected to the upper surface of the shell, the wiring piece is fixedly connected to the front edge of the shell, and the bolt hole is opened on the inner surface of the chamfered block.

[0010] The advantages and positive effects of the utility model are:

[0011] 1. The installation efficiency is improved by assembling and connecting multiple pre-cast unit inspection wells and installation walls. The installation is more convenient by hoisting the inspection well with the provided lifting ring. The ring groove is used to install the sealing ring to prevent water leakage. The chamfered structure provided inside the shell increases the structural strength of the inspection well.

[0012] 2. The grounding ring installed at the bottom of the inspection well is used to install a ground wire to guide the current to the ground to ensure the safety of personnel entering the inspection well. At the same time, the iron ring structure on the top is also used to lead the current underground to prevent the current from harming the maintenance personnel.

[0013] 3. Connect the cable racks by vertical welding or punching bolts to form a three-layer cable rack. Divide the cables of the cable pipes connected at both ends into two and place them on the cable rack. Reserve a passage for people to pass through in the middle of the working shaft to facilitate maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the assembled prefabricated maintenance manhole corridor system proposed in the present utility model;

[0015] Figure 2 This is a schematic diagram of the pipe gallery structure of the assembled prefabricated maintenance well pipe gallery system proposed in the present utility model;

[0016] Figure 3This is a schematic diagram of the second-layer concrete structure of the prefabricated maintenance manhole corridor system proposed in the present invention;

[0017] Figure 4 This is a schematic diagram of the support frame structure of the assembled prefabricated maintenance well corridor system proposed in the present utility model;

[0018] Figure 5 This is a schematic diagram of the unit maintenance well structure of the assembled prefabricated maintenance well and pipe gallery system proposed in the utility model.

[0019] Among them, 1. Groove body; 2. First layer of concrete; 3. Second layer of concrete; 4. Cable conduit; 5. Inspection well; 5-1. Shell; 5-2. Lug; 5-3. Grounding ring; 5-4. Mounting groove; 5-5. Ring groove; 5-6. Cable rack; 5-7. Grounding ring; 5-8. Chamfered block; 5-9. Bolt hole; 5-10. Lifting ring; 5-11. Water collecting trough; 6. Support frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] like Figure 1-5 As shown, the embodiment of the present invention provides an assembled prefabricated maintenance well corridor system, including a groove body 1, a cable pipe arrangement mechanism and an inspection well mechanism. A low-potential groove is further provided in the groove body 1, and an inspection well mechanism is arranged in the low-potential groove. The cable pipe arrangement mechanism is symmetrically connected at both ends of the upper part of the inspection well mechanism. The bottom surface of the cable pipe arrangement mechanism is higher than the bottom surface position of the inspection well mechanism. The inspection well mechanism includes a cushion layer and an inspection well. The cushion layer includes a first layer of concrete 2, an inspection well support frame and a second layer of concrete 3. The bottom surface of the inner side of the low-potential groove is paved with a first layer of concrete 2, and the upper surface of the first layer of concrete 2 is symmetrically connected to the upper end of the inspection well mechanism. An inspection well support frame is provided on the surface and is fixed by a second layer of concrete 3. Both ends of the inspection well support frame are tightly fixed to the trough wall. An inspection well 5 is installed on the upper surface of the second layer of concrete 3. The cable pipe arrangement mechanism includes a cushion layer and a cable pipe. The cushion layer includes a first layer of concrete 2, a pipe support frame and a second layer of concrete 3. A pipe support frame is provided on the upper surface of the first layer of concrete 2 and is fixed by a second layer of concrete 3. One end of the pipe support frame is inserted into the side wall of the inspection well for positioning. A cable pipe 5 is installed on the upper surface of the second layer of concrete 3 to enable the cable pipe to be better slidably inserted on both sides of the inspection well.

[0022] The cable conduit 4 is a common existing conduit. Different specifications of cable conduits 4 can be selected according to the cables of different specifications.

[0023] The groove body 1 is a groove excavated on the ground, and a low-potential groove is provided in the groove. The low-potential groove is used to set up an inspection well mechanism. A first layer of concrete 2 is laid on the bottom surface of the low-potential groove. After laying, the first layer of concrete 2 is waited for to dry, and then the inspection well support frame is placed on the first layer of concrete 2. Then, a second layer of concrete 3 is poured on the inspection well support frame. The pouring height of the second layer of concrete 3 is consistent with the height of the inspection well support frame and is kept horizontal. Then, the second layer of concrete 3 is waited for to dry, and then multiple unit inspection wells are hoisted to the inspection well support frame through lifting rings 5-10, and the multiple unit inspection wells are slidably connected together on the inspection well support frame.

[0024] The height of the second layer of concrete 3 is the same as that of the pipe support frame and the inspection well support frame, and the smooth upper surfaces of the pipe support frame and the inspection well support frame are exposed; the pipe support frame and the inspection well support frame have the same structure. The setting of the support frame 6 is to provide the second layer of concrete 3 with better supporting force on the one hand, and to facilitate the sliding installation of the inspection well and the cable pipe on the other hand. The unit inspection wells are connected by long bolts;

[0025] The inspection well includes two installation walls and multiple unit inspection wells. A pipe installation port is formed in the middle of the installation wall, and a plug-in limit port for the end of the pipe support frame is also opened at the lower position of the installation port; multiple unit inspection wells are arranged between the two installation walls to form a whole. The unit inspection well includes a shell 5-1, a terminal block 5-2, a grounding ring 5-3, a mounting groove 5-4, a ring groove 5-5, a cable rack 5-6, a grounding wire 5-7, a chamfered block 5-8, a bolt hole 5-9 and a lifting ring 5-10. The shell 5-1 is installed on the upper surface of the second layer of concrete 3, and the installation groove 5-4 is opened on the shell One end of the shell 5-1, the other end of the shell 5-1 is provided with a protrusion corresponding to the shell 5-1, the annular groove 5-5 is provided on the side surface of the mounting groove 5-4, the chamfered block 5-8 is fixedly connected to the inner four corner edges of the shell 5-1, the cable rack 5-6 is fixedly connected to the inner surface of the shell 5-1, the grounding wire 5-7 is fixedly connected to the inner bottom surface of the shell 5-1, the grounding ring 5-3 is fixedly connected to the upper surface of the shell 5-1, the lifting ring 5-10 is fixedly connected to the upper surface of the shell 5-1, the terminal piece 5-2 is fixedly connected to the front edge of the shell 5-1, and the bolt hole 5-9 is provided on the inner surface of the chamfered block 5-8.

[0026] The upper surface of the bottom of the shell is provided with a water collecting tank 5-11. The water collecting tank 5-11 can prevent water from accumulating in the well, and its device can discharge the accumulated water to ensure the stability of the well environment.

[0027] The cable rack 5-6 can also be installed inside the shell 5-1 by welding, and the installation groove 5-4 and the protrusion are engaged. A sealing ring is placed on the annular groove 5-5 between them to prevent water leakage. Then, long bolts are used to connect the unit inspection wells together. After the inspection well 5 is installed, the cable rack 5-6 is installed inside the shell 5-1 with bolts, and then cable pipes 4 are installed at both ends to place cables. The cables passing through the inside of the shell 5-1 in the middle are placed on the cable rack 5-6 for arrangement.

[0028] Working principle of prefabricated maintenance well corridor system:

[0029] A groove body 1 is dug out on the bottom surface, and a low-potential groove is dug in the groove body. A first layer of concrete 2 is laid on the bottom surface of the low-potential groove. After laying, the first layer of concrete 2 is waited to dry.

[0030] Place the manhole support frame 6 on the first layer of concrete 2 in the low-potential groove, and then cast a second layer of concrete 3 on the manhole support frame 6. The casting height of the second layer of concrete 3 is consistent with the height of the manhole support frame 6 and is kept horizontal. The smooth surface of the manhole support frame is kept exposed, and then the second layer of concrete 3 is allowed to dry.

[0031] First, the prefabricated multiple unit inspection wells to be assembled are hoisted onto the inspection well support frame through the lifting rings 5-10, and the multiple unit inspection wells are slid together on the inspection well support frame. The installation grooves 5-4 and the protrusions are engaged, and a sealing ring is placed on the annular groove 5-5 between them to prevent water leakage. Then, long bolts are used to fasten the unit inspection wells and the installation walls at both ends to form a whole.

[0032] After the installation of the inspection well 5 is completed, a cushion layer is laid in the groove body on both sides of the low-potential groove. The upper surface of the cushion layer is at the same height as the lower end of the pipe installation port of the inspection well. The cushion layer includes a first layer of concrete 2. A pipe support frame is placed on the first layer of concrete 2. The end of the pipe support frame is inserted into the insertion limit port of the installation wall. Then, a second layer of concrete 3 is cast on the cable pipe support frame. The casting height of the second layer of concrete 3 is consistent with the height of the pipe support frame 6 and is kept horizontal. Then, the second layer of concrete 3 is left to dry.

[0033] Lift the cable conduit on both sides of the inspection well and perform sliding lifting, plugging and assembly.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The prefabricated maintenance well corridor system is characterized by: The invention comprises a groove body (1), a cable pipe arrangement mechanism and an inspection well mechanism, wherein a low-potential groove is further provided in the groove body (1), an inspection well mechanism is arranged in the low-potential groove, a cable pipe arrangement mechanism is symmetrically connected to both ends of the upper part of the inspection well mechanism, the bottom surface of the cable pipe arrangement mechanism is higher than the bottom surface of the inspection well mechanism, the inspection well mechanism comprises a cushion layer and an inspection well, the cushion layer comprises a first layer of concrete (2), an inspection well support frame and a second layer of concrete (3), the bottom surface of the inner side of the low-potential groove is paved with a first layer of concrete (2), the upper surface of the first layer of concrete (2) is provided with an inspection well support frame, and the second layer of concrete (3) is provided with a first layer of concrete (2). The second layer of concrete (3) is fixed, and both ends of the inspection well support frame are tightly fixed to the trough wall. The upper surface of the second layer of concrete (3) is equipped with an inspection well (5). The cable pipe arrangement mechanism includes a cushion layer and a cable pipe (4). The cushion layer includes a first layer of concrete (2), a pipe support frame and a second layer of concrete (3). The upper surface of the first layer of concrete (2) is provided with a pipe support frame. One end of the pipe support frame is inserted into the side wall of the inspection well for positioning and is fixed by the second layer of concrete (3). The upper surface of the pipe support frame is equipped with a cable pipe (4), so that the cable pipe (4) can be slidably inserted on both sides of the inspection well.

2. The prefabricated maintenance manhole corridor system according to claim 1 is characterized in that: The inspection well includes two installation walls and multiple unit inspection wells. A pipe installation opening is made in the middle of the installation wall, and an insertion limit opening for the end of the pipe support frame is also opened at the lower position of the pipe installation opening; multiple unit inspection wells are arranged between the two installation walls to form a whole.

3. The prefabricated maintenance manhole corridor system according to claim 2 is characterized in that: The unit inspection well comprises a shell (5-1), a terminal lug (5-2), an iron ring structure (5-3), a mounting groove (5-4), an annular groove (5-5), a cable rack (5-6), a grounding ring (5-7), a chamfered block (5-8), a bolt hole (5-9) and a lifting ring (5-10); the shell (5-1) is mounted on the upper surface of the second layer of concrete (3); the mounting groove (5-4) is provided at the rear end of the shell (5-1); a protrusion corresponding to the shell (5-1) is provided at the front end of the shell (5-1); the annular groove (5-5) is provided on the side surface of the mounting groove (5-4); and the chamfered blocks (5-8) are fixedly connected to the inner four corner edges of the shell (5-1).

4. The prefabricated maintenance manhole corridor system according to claim 3 is characterized in that: The cable rack (5-6) is fixedly connected to the inner surface of the shell (5-1), the grounding ring (5-7) is fixedly connected to the inner bottom surface of the shell (5-1), the iron ring structure (5-3) is fixedly connected to the upper surface of the shell (5-1), the hanging ring (5-10) is fixedly connected to the upper surface of the shell (5-1), the wiring piece (5-2) is fixedly connected to the front edge of the shell (5-1), and the bolt hole (5-9) is opened on the inner surface of the chamfered block (5-8).

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