CN218204546U - Connecting structure of assembled cable trench - Google Patents
Connecting structure of assembled cable trench Download PDFInfo
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- CN218204546U CN218204546U CN202222240501.XU CN202222240501U CN218204546U CN 218204546 U CN218204546 U CN 218204546U CN 202222240501 U CN202222240501 U CN 202222240501U CN 218204546 U CN218204546 U CN 218204546U
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Abstract
The utility model provides a connection structure of assembled cable pit, including a transition ditch festival and a plurality of end to end's main part ditch festival that is used for connecting the cable well, be provided with a plurality of first arc holes on the transition ditch festival, be provided with a plurality of second arc holes on the main part ditch festival, first arc hole and second arc hole are arranged about the terminal surface mirror image that cable well one end was kept away from to the transition ditch festival, and are a set of curved bolt has worn to put in first arc hole and the second arc hole. During the assembly of above-mentioned scheme, the arc hole of transition ditch festival rear end and the arc hole of main part ditch festival front end aim at, then pass the arc hole with curved bolt, sheathe the in the both ends of curved bolt nut again and tighten the nut and can realize the assembly of two sections. The bent bolt connection can bypass the reinforcing steel bar net rack in the cable trench, thereby ensuring the integrity of the reinforcing steel bar net rack, avoiding cutting off the reinforcing steel bars and ensuring that the component has sufficient bearing capacity.
Description
Technical Field
The utility model relates to an electric power facility technical field especially relates to a connection structure of assembled cable pit.
Background
The cable trench is mainly used for laying a cable line with high-grade voltage, the high-grade voltage line begins to enter a central region of a city along with the increase of the urban power supply demand and is converted from aerial erection to underground laying, and the cable trench is widely used for laying cables in the city due to the advantages of simple civil engineering construction, low manufacturing cost, large space and the like. At present, the cable trench is generally constructed by adopting site concrete pouring, then procedures such as punching and mounting of a cable support are completed, the defects of large construction operation surface, long construction period, serious site pollution and the like exist, particularly in the process of laying a municipal cable line, urban road plugging can be caused, the site pouring concrete pollutes the environment, the daily life of people is seriously influenced, and the cable trench does not meet the requirement of modern city development.
However, the assembly type cable trench is formed by prefabricating the cable trench structure in sections in a factory by adopting a concrete and steel template construction technology and then assembling the prefabricated cable trench structure on site in a transportation mode, so that the construction of the transformer substation is changed from the traditional civil engineering design and construction mode to the mode of design standardization, processing factory-like, installation mechanization and construction specialization, and the development of the transformer substation construction towards the direction of high technological content, low resource consumption, less environmental pollution and fine construction is facilitated.
Chinese patent CN114389227A discloses an integrated prefabricated assembly type cable trench and cable well, and its scheme is: including the cable pit, the cable pit includes a plurality of tube coupling units, and every tube coupling unit includes two first curb plates, and the both sides of first curb plate are equipped with the first connecting assembly who is used for connecting the tube coupling unit. The sawtooth block is provided with a bolt groove and bolt holes which penetrate through the bolt groove respectively at the upper side and the lower side, and the connection between the cable trenches is realized through the bolt holes and the sawtooth block.
Prefabricated assembled cable pit component need carry out the section joint, therefore the connection performance between prefabricated cable pit monomer and the monomer has very big influence to whole cable pit's long-term bearing capacity, so the design that assembled cable pit connects is extremely important, however the cable pit junction is the concave-convex plane connection or refers to the connected mode of beam column node among the building structure in the contrast application, these two kinds of connected modes need correspond and open out the straight hole, the straight hole is difficult to avoid the reinforcing bar rack in the cable pit monomer, can directly destroy the reinforcing bar rack in the cable pit monomer during trompil, must influence the bearing capacity and the structural strength of cable pit self like this, simultaneously because the peripheral reinforcing bar of straight hole is destroyed, the straight hole as the junction can become the weak position of structure of whole cable pit like this, lead to junction concrete breakage easily when the dismouting, influence the wholeness of structure, and under the loading effect, unnecessary bent shear destruction also can take place easily in the junction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connection structure of assembled cable pit promotes the convenience that each section of cable pit is connected and avoids the connecting hole to destroy the reinforcement cage of cable pit itself.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a connecting structure of an assembled cable trench comprises a cable well and at least one cable trench, wherein the cable well is detachably connected with the cable trench;
transition ditch festival and main part ditch festival are the trough-shaped structure, the notch department of transition ditch festival and main part ditch festival is provided with the trench cover board that is used for closed cable pit, be provided with a plurality of first arc holes on the transition ditch festival, the one end opening in first arc hole is located the transition ditch festival and keeps away from the terminal surface of the one end of cable pit, the other end opening in first arc hole is located the medial surface of cell wall, be provided with a plurality of second arc holes on the main part ditch festival, the terminal surface mirror image that cable pit one end was kept away from about transition ditch festival in first arc hole and second arc hole is arranged, and is a set of the hole center direction in first arc hole and second arc hole is located same horizontal plane, and is a set of curved bolt has worn to put in first arc hole and the second arc hole, and the both ends of curved bolt are provided with lock nut, the one end that transition ditch festival was kept away from to the main part ditch festival is provided with third arc hole, connection structure between transition ditch festival and the main part ditch festival is the same with connection structure between two main part ditch festival.
During the assembly of above-mentioned scheme, the arc hole of transition ditch festival rear end and the arc hole of main part ditch festival front end aim at, then pass the arc hole with curved bolt, sheathe the in the both ends of curved bolt nut again and tighten the nut and can realize the assembly of two sections, and the assembly methods between the main part ditch festival is the same. The bent bolt connection can bypass the reinforcing steel bar net rack in the cable trench, thereby ensuring the integrity of the reinforcing steel bar net rack, avoiding cutting off the reinforcing steel bars and ensuring that the component has sufficient bearing capacity.
Preferably, a plurality of spiral ribs are pre-embedded in the transition ditch section and the main body ditch section, and the spiral ribs are respectively arranged in the circumferential directions of the first arc-shaped hole, the second arc-shaped hole and the third arc-shaped hole.
Preferably, the axis of the spiral shaft of the spiral rib is consistent with the axis of the corresponding arc hole.
Preferably, a plurality of threaded blind holes perpendicular to the end face where the transition groove section is located are formed in the end face, close to the cable well, of the transition groove section, the threaded blind holes are arranged in the length direction of the end face where the transition groove section is located and are evenly arranged at intervals, a plurality of connecting through holes perpendicular to the plate face where the connecting bolts penetrate are formed in the cable well, and the connecting through holes and the threaded blind holes are arranged in a one-to-one correspondence mode.
Preferably, the first arc-shaped hole, the second arc-shaped hole and the third arc-shaped hole are located at one ends of the inner sides of the cable ducts and are respectively provided with a wedge-shaped opening used for accommodating a screw cap, and the opening direction of the wedge-shaped opening faces inwards.
Preferably, rubber sealing pipes are arranged in the first arc-shaped hole, the second arc-shaped hole and the third arc-shaped hole and are sleeved on the bent bolt.
Preferably, the groove widths of the transition groove section and the main body groove section are gradually increased from bottom to top, and the upper end notches of the transition groove section and the main body groove section are provided with step structures which are low in inside and high outside and are used for placing groove cover plates.
Preferably, the end of the transition groove section and the end of the main groove section, which is far away from the cable well, are provided with tenon inclined planes with convex inner sides, the end of the main groove section, which is close to the cable well, is provided with tenon inclined planes with concave inner sides, and the tenon inclined planes form a plug-in fit.
Drawings
FIG. 1 is a schematic view of a transition trench segment structure;
FIG. 2 is a schematic view of a main groove segment structure;
FIG. 3 is a schematic view of the connection relationship between the transition channel section and the main channel section;
FIG. 4 is a schematic view of the connection relationship between the main body groove section and the main body groove section;
FIG. 5 is a schematic view of a slope of a mortise and tenon;
FIG. 6 is a schematic view of a tenon bevel structure;
FIG. 7 is a schematic view of the trench cover installation;
description of reference numerals: 20. a cable trench; 21. a transition trench section; 22. a main body groove section; 24. a trench wall; 25. a trench cover plate; 27. a wedge-shaped opening; 28. a rubber sealing tube; 29. bending the bolt; 30. a steel bar net rack; 31. a spiral rib; 41. a tenon bevel; 42. a rebate bevel; 211. a threaded blind hole; 212. a first arcuate aperture; 221. a second arcuate aperture; 222. a third arcuate aperture.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "bottom", "outside", "front-back", "up-down" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the state of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a connection structure of assembled cable pit, includes a transition ditch festival 21 and a plurality of end to end's main part ditch festival 22 that are used for connecting the cable well, the one end that the cable well was kept away from to transition ditch festival 21 constitutes detachable connections with the one end of main part ditch festival 22.
The assembled cable trench can be conveniently constructed, and the cast-in-place cable trench is avoided, so that time and labor are wasted.
Preferably, the transition groove section 21 and the main groove section 22 are both groove-shaped structures, and groove cover plates 25 for closing the cable trench 20 are arranged at the notches of the transition groove section 21 and the main groove section 22. The channel-like structure thus forms together with the cover 25 a tubular structure for receiving the cable harness.
Preferably, a plurality of first arc-shaped holes 212 are formed in the transition groove section 21, an opening at one end of each first arc-shaped hole 212 is located on the end face of one end, away from the cable well, of the transition groove section 21, an opening at the other end of each first arc-shaped hole is located on the inner side face of the groove wall 24, a plurality of second arc-shaped holes 221 are formed in the main groove section 22, the first arc-shaped holes 212 and the second arc-shaped holes 221 are arranged in a mirror image mode relative to the end face of one end, away from the cable well, of the transition groove section 21, the hole center directions of a group of first arc-shaped holes 212 and a group of second arc-shaped holes 221 are located on the same horizontal plane, bent bolts 29 penetrate through the group of first arc-shaped holes 212 and the group of second arc-shaped holes 221, locking nuts are arranged at two ends of the bent bolts 29, a third arc-shaped hole 222 is formed in one end, away from the transition groove section 21, of the main groove section 22, and a connection structure between the transition groove section 21 and the main groove section 22 is the same as a connection structure between two main groove sections 22. During assembly, the arc-shaped hole at one end, far away from the cable well, of the transition groove joint 21 is aligned with the arc-shaped hole at one end, close to the cable well, of the main groove joint 22, then a bent bolt penetrates through the arc-shaped holes, nuts are sleeved on two ends of the bent bolt, the nuts are screwed, and accordingly assembly of the two joints can be achieved, and the assembly mode of the main groove joint 22 is the same. The integrity of the reinforcing steel bar net rack is ensured by the connection of the bent bolts 29, the reinforcing steel bar net rack 30 cannot be cut off, and the components have sufficient bearing capacity.
Preferably, the transition groove section 21 is provided with the screw thread blind hole 211 perpendicular to the terminal surface of place on the terminal surface of the one end that is close to the cable shaft, the one end screw thread blind hole 211 that is close to the cable shaft is provided with a plurality ofly and evenly arranges along its terminal surface length direction at interval of place, be provided with a plurality of connecting through holes that are used for wearing the perpendicular to place face of connecting bolt on the peripheral face of cable opening, connecting through hole and the one-to-one of the one end screw thread blind hole 211 that is close to the cable shaft are arranged. During assembly, the connecting through hole is aligned with the blind threaded hole 211 close to the cable well, and then an operator screws a bolt into the blind threaded hole 211 close to the cable well through the connecting through hole in the cable well to complete assembly.
Preferably, the first arc-shaped hole 212, the second arc-shaped hole 221 and the third arc-shaped hole 222 are respectively provided with a wedge-shaped opening 27 for accommodating a nut at one end inside the cable trench 20, and the opening direction of the wedge-shaped opening 27 faces inwards. The wedge-shaped opening 27 is used for accommodating a screw cap to prevent the screw cap from being exposed to interfere with scratching a cable, and meanwhile, the wedge-shaped opening 27 can facilitate the wrench to stretch into and twist. The adoption has the wedge opening 27 of certain radian, and this wedge opening 27 size is little, can not influence arranging of reinforcing bar rack to can guarantee the protective layer thickness of hand hole both sides reinforcing bar rack 30, the radian is the same with reservation bolt hole radian, is favorable to the installation of curved bolt, and wedge opening 27 has certain inclination, can be better arrange the nut.
Preferably, rubber sealing tubes 28 are arranged in the first arc-shaped hole 212, the second arc-shaped hole 221 and the third arc-shaped hole 222, and the rubber sealing tubes 28 are sleeved on the bent bolts 29. Since the cable trench 20 is buried underground and groundwater is likely to penetrate through the joint to corrode the bent bolt 29, the rubber sealing tube 28 is provided to prevent groundwater from entering the bent arc hole to corrode the bent bolt 29 and the reinforcing steel bar net frame 30.
Preferably, the groove widths of the transition groove section 21 and the main groove section 22 are gradually increased from bottom to top, and a step structure with a low inner part and a high outer part is arranged at the upper end notches of the transition groove section 21 and the main groove section 22 and used for placing the groove cover plate 25. The groove width of the transition groove section 21 and the main groove section 22 is convenient for prefabrication, pouring and demolding, and the step structure can limit and fix the groove cover plate 25.
Preferably, the transition groove section 21 and the main groove section 22 are provided with a tenon inclined surface 41 with a convex inner side at one end far away from the cable well, the main groove section 22 is provided with a tenon inclined surface 42 with a concave inner side at one end near the cable well, and the tenon inclined surface 42 and the tenon inclined surface 41 form a plug-in fit. The rebate chamfer 42 and rebate chamfer 41 facilitate the alignment of the holes by providing a stop at the end that is forwardly remote from the cable well. The connection is more convenient than the connection of the concave-convex flat section in construction and installation, and the construction progress is accelerated.
Preferably, a plurality of spiral ribs 31 are embedded in the transition groove section 21 and the main groove section 22, and the spiral ribs 31 are respectively arranged in the circumferential direction of the first arc-shaped hole 212, the second arc-shaped hole 221 and the third arc-shaped hole 222. The axis of the spiral shaft of the spiral rib 31 is consistent with the axis of the corresponding arc hole. The spiral rib 31 can improve the bearing capacity and the anti-damage ability of the component connection position, the spiral rib 31 is simple and convenient to place, working hours and labor can be greatly saved, and the spiral rib 31 can be guaranteed to be subjected to severe disturbance collision and trampled without deformation in the concrete pouring process.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (8)
1. The utility model provides a connection structure of assembled cable pit which characterized in that: the transition ditch comprises a transition ditch section (21) used for connecting a cable well and a plurality of main ditch sections (22) connected end to end, wherein one end, far away from the cable well, of the transition ditch section (21) is detachably connected with one end of each main ditch section (22);
transition groove festival (21) and main part groove festival (22) are the trough-shaped structure, the notch department of transition groove festival (21) and main part groove festival (22) is provided with trench cover (25) that are used for sealing cable pit (20), be provided with a plurality of first arc holes (212) on transition groove festival (21), the one end opening of first arc hole (212) is located the terminal surface of the one end of transition groove festival (21) keeping away from the cable well, the other end opening of first arc hole (212) is located the medial surface of cell wall (24), be provided with a plurality of second arc holes (221) on main part groove festival (22), first arc hole (212) and second arc hole (221) are arranged about the terminal surface mirror image of transition groove festival (21) keeping away from cable well one end, and a set of the hole heart direction of first arc hole (212) and second arc hole (221) is located same horizontal plane, and a set of first arc hole (212) and second arc hole (221) are worn to put curved bolt (29), and the same groove structure is provided with the both ends of transition groove festival (21) and the main part groove festival (22), and the same groove structure is provided with the third groove festival (22) between the transition groove festival (21).
2. The fitting-type cable duct connecting structure according to claim 1, wherein: a plurality of spiral ribs (31) are embedded in the transition groove sections (21) and the main body groove sections (22), and the spiral ribs (31) are respectively arranged in the circumferential directions of the first arc-shaped holes (212), the second arc-shaped holes (221) and the third arc-shaped holes (222).
3. The connection structure of the fabricated cable trench of claim 2, wherein: the axis of the spiral shaft of the spiral rib (31) is consistent with the axis of the corresponding arc hole.
4. The connection structure of the fabricated cable trench of claim 1, wherein: the transition groove joint (21) is provided with the screw thread blind hole (211) of perpendicular to place terminal surface on being close to the terminal surface of cable shaft, screw thread blind hole (211) are provided with a plurality ofly and follow the even interval arrangement of the terminal surface length direction at its place, be provided with the connect the through-hole of a plurality of perpendicular to places face that are used for wearing to put connecting bolt on the cable shaft, connect the through-hole and arrange with screw thread blind hole (211) one-to-one.
5. The fitting-type cable trench connection structure according to claim 3, wherein: first arc hole (212), second arc hole (221) and third arc hole (222) are located cable pit (20) inboard one end and offer respectively and are used for holding wedge opening (27) of nut, the opening direction of wedge opening (27) is inside.
6. The fitting-type cable trench connection structure according to claim 3, wherein: rubber sealing tubes (28) are arranged in the first arc-shaped hole (212), the second arc-shaped hole (221) and the third arc-shaped hole (222), and the rubber sealing tubes (28) are sleeved on the bent bolts (29).
7. The connection structure of an assembled cable trench according to claim 1, 2, 3, 4, or 5, wherein: the groove width of transition ditch festival (21) and main part ditch festival (22) is supreme crescent from down, the upper end notch department of transition ditch festival (21) and main part ditch festival (22) is provided with the step structure who is used for placing ditch cover board (25) of low outer height in.
8. The connection structure of an assembled cable trench according to claim 1, 2, 3, 4, or 5, wherein: the one end of keeping away from the cable shaft of transition groove festival (21) and main part groove festival (22) is provided with inboard bellied tenon inclined plane (41), the one end that is close to the cable shaft of main part groove festival (22) is provided with inboard sunken tenon inclined plane (42), tenon inclined plane (42) and tenon inclined plane (41) constitute the cooperation of pegging graft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222240501.XU CN218204546U (en) | 2022-08-24 | 2022-08-24 | Connecting structure of assembled cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222240501.XU CN218204546U (en) | 2022-08-24 | 2022-08-24 | Connecting structure of assembled cable trench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218204546U true CN218204546U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222240501.XU Active CN218204546U (en) | 2022-08-24 | 2022-08-24 | Connecting structure of assembled cable trench |
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| Country | Link |
|---|---|
| CN (1) | CN218204546U (en) |
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2022
- 2022-08-24 CN CN202222240501.XU patent/CN218204546U/en active Active
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