CN114530797A - Construction method of cable - Google Patents
Construction method of cable Download PDFInfo
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- CN114530797A CN114530797A CN202210143096.1A CN202210143096A CN114530797A CN 114530797 A CN114530797 A CN 114530797A CN 202210143096 A CN202210143096 A CN 202210143096A CN 114530797 A CN114530797 A CN 114530797A
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- 238000005452 bending Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 5
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- 238000009412 basement excavation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000209128 Bambusa Species 0.000 description 1
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- 238000007569 slipcasting Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application relates to the technical field of cabling, in particular to a cable construction method, which comprises the following construction steps of S1: excavating a foundation pit; s2: the prefabricated cable groove is installed in a foundation pit section by section to form a cable groove, the cable groove comprises a groove body in a U-shaped structure and guide rails fixed on the inner bottom wall of the groove body, and alignment between the adjacent guide rails is guaranteed in the installation process; s3: installing a bracket at the initial end of the cable trench, sliding the bracket on the guide rail, fixing a cable on the bracket after each bracket is installed, then pushing the bracket fixed with the cable to the tail end of the cable trench, and circularly reciprocating until the cable is laid; s4: covering the top plate on the cable groove to seal the cable groove; s5: and backfilling the foundation pit. The method and the device have the effects of shortening the construction period and reducing the workload.
Description
Technical Field
The application relates to the technical field of cabling, in particular to a cable construction method.
Background
Cabling refers to the process of laying and installing cables along a surveyed route to form a cable route.
At present, the following methods are mainly adopted for laying the cables: firstly, excavating a foundation pit, secondly, erecting a formwork in the foundation pit and pouring concrete to form a cable groove, then installing a cable support in the cable groove, and finally laying a cable on the cable support.
Because the in-process of laying the cable needs constructor to get into in the cable trench and fix the cable, consequently will reserve the space that enough people pass in the cable trench when the design, this work load with regard to greatly increased excavation foundation ditch, pouring cable trench has prolonged construction cycle.
Disclosure of Invention
In order to shorten the construction period and reduce the workload, the application provides a cable construction method.
The application provides a construction method of a cable, which adopts the following technical scheme:
a construction method of a cable comprises the following construction steps,
s1: excavating a foundation pit;
s2: the prefabricated cable groove is installed in a foundation pit section by section to form a cable groove, the cable groove comprises a groove body in a U-shaped structure and guide rails fixed on the inner bottom wall of the groove body, and alignment between the adjacent guide rails is guaranteed in the installation process;
s3: installing a bracket at the initial end of the cable trench, sliding the bracket on the guide rail, fixing a cable on the bracket after each bracket is installed, then pushing the bracket fixed with the cable to the tail end of the cable trench, and circularly reciprocating until the cable is laid;
s4: covering the top plate on the cable groove to seal the cable groove;
s5: and backfilling the foundation pit.
Through adopting above-mentioned technical scheme, this application adopts prefabricated cable trench field assembly's mode to replace traditional mode of pouring, has left out the time of concrete initial set, has shortened construction cycle greatly, need not the staff in the in-process of construction moreover and gets into cable trench internal cabling, need not to reserve the space that enough people are current promptly, has reduced the cycle of excavation foundation ditch, has reduced prefabricated cable trench's specification simultaneously, the cost is reduced.
Preferably, in step S1, after the foundation pit is formed, a cushion layer is paved and tamped at the bottom of the foundation pit for leveling.
By adopting the technical scheme, the guide rails between the adjacent cable grooves are aligned conveniently, and the follow-up construction is guaranteed.
Preferably, the groove body in the step S2 includes that bottom plate, rigid coupling just relative both sides board that sets up on the bottom plate, and both sides board relative one side just leans on the equal integrated into one piece in position on has protruding edge, and the upper surface rigid coupling on protruding edge has a location section of thick bamboo, and a location section of thick bamboo is arranged along the length direction of bottom plate, wears to establish the locating component who is used for guaranteeing the guide rail and aligns between the location section of thick bamboo of groove body with one side.
Through adopting above-mentioned technical scheme, locating component's setting for rectify to the cable duct, thereby guarantee to adjust well, align between the guide rail.
Preferably, the positioning assembly comprises a head rod and a plurality of positioning rods, the head rod and the positioning rods penetrate through the positioning barrel and are sequentially connected, one end of the head rod is conical, the other end of the head rod is provided with a positioning hole, one end of each positioning rod is fixedly connected with an insertion rod, the other end of each positioning rod is provided with a positioning hole, and the head rod and the positioning rods and adjacent positioning rods are in insertion fit through the insertion rods and the positioning holes; the outer diameter of the positioning rod is matched with the inner diameter of the positioning cylinder.
Through adopting above-mentioned technical scheme, during the construction, install the head rod on the locating lever, then pass head rod and locating lever in two adjacent location section of thick bamboos with one side, if there is certain deviation between the location section of thick bamboo, then need finely tune the position of cable trench to head rod and locating lever can pass the location section of thick bamboo as the standard, every hangs a cable trench of putting, connects long to the locating lever, so that establish ties all cable trenches together through head rod and locating lever.
Preferably, the stand in step S3 includes a base sliding on the guide rail, a support rod fixed on the base, and a fixing device arranged on the top of the support rod for fixing the cable.
Preferably, the guide rail is I-shaped, the guide rail comprises an upper flange plate, a lower flange plate and a web plate integrally formed between the upper flange plate and the lower flange plate, and the lower flange plate is fixed on the bottom plate;
the base includes bearing board, rigid coupling in bearing board both sides and the riser of mutual disposition to and the shaping in the board of bending of the relative one side of two risers, the bracing piece is fixed in one side that the riser was kept away from to the bearing board, forms between bearing board, riser and the board of bending and supplies the flange board slip male cavity.
Preferably, the bearing plate and the vertical plate are embedded with a plurality of groups of balls arranged along the length direction of the guide rail in a rolling manner towards one side of the cavity, and a sliding groove for allowing the balls to slide along the cable arrangement direction is processed at the position of the upper flange plate corresponding to each group of balls.
Through adopting above-mentioned technical scheme, mainly used reduces the frictional force of support when sliding on the guide rail, and the constructor of being convenient for lays the cable.
Preferably, fixing device includes that the rigid coupling is kept away from the fixing base of base one end in the bracing piece, is cooperated in order to press from both sides tight sliding seat with the fixing base to and be used for installing the coupling assembling on the fixing base with the sliding seat, and the semicircular groove of stepping down has all been processed to one side that fixing base and sliding seat are relative, and two are stepped down and are formed the installing port that the power cable passes through between the groove.
Through adopting above-mentioned technical scheme, mutually support between sliding seat and the fixing base, can carry out better fixed to the cable.
Preferably, the connecting assembly comprises extension plates fixedly connected to the movable seat and located on two sides of the cable arrangement direction, an operating rod vertically penetrating through the extension plates and rotatably matched with the extension plates, a handle fixedly connected to one end, far away from the fixed seat, of the operating rod, and a bar-shaped block fixedly connected to one end, close to the fixed seat, of the operating rod, an external thread section is machined on the operating rod, an internal thread is machined on the hole wall of a hole, through which the operating rod penetrates, of the extension plates, and the external thread section and the bar-shaped block are located on the same side of the extension plates;
the position integrated into one piece that the fixing base corresponds the extension board has the otic placode, and processing has the lockhole that supplies action bars and bar piece to pass through simultaneously on the otic placode, and when external screw thread section and internal thread looks butt, the bar piece is located the otic placode and keeps away from one side of extension board.
Through adopting above-mentioned technical scheme, during the installation, the angle of tapered end has been adjusted, with the sliding seat back-off in order to press from both sides the cable tight on the fixing base, meanwhile the tapered end passes through the below of lockhole to otic placode and apart from the otic placode two to three millimeters, this in-process, the top of external screw thread section is all the time with internal screw thread lower extreme looks butt, at this moment, rotate the action bars through the handle, make the action bars threaded connection under external screw thread section and internal screw thread cooperation on the extension board, rise on one side promptly and drive tapered end rotation certain angle on one side, the pivoted in-process, bar-shaped piece and lockhole produce the dislocation, one side of keeping away from the extension board until the bar-shaped piece supports the otic placode tightly, the realization is fixed to the sliding seat.
Preferably, in step S3, the end-side fence is attached to the cable groove located at the end of the cable groove before the bracket is attached, and the start-side fence is attached to the cable groove at the start of the cable groove after the cable is completely laid.
By adopting the technical scheme, the cable trench forms a closed space, so that the cable is protected conveniently.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the construction method, the traditional pouring mode is replaced by the on-site assembling mode of the prefabricated cable groove, the initial setting time of concrete is saved, the construction period is greatly shortened, workers do not need to enter the cable groove to lay cables in the construction process, namely, enough space for people to pass through does not need to be reserved, the period of excavating a foundation pit is shortened, the specification of the prefabricated cable groove is reduced, and the cost is reduced;
2. and the positioning assembly is used for correcting the deviation of the cable groove, so that alignment and alignment between the guide rails are ensured.
Drawings
FIG. 1 is a schematic structural diagram of cable construction in an embodiment of the present application;
FIG. 2 is a sectional view showing a positional relationship among a cable groove, a bracket, and a top plate;
FIG. 3 is a schematic view showing a detailed structure of a stent;
FIG. 4 is an exploded schematic view embodying a positioning assembly;
FIG. 5 is a schematic view showing a structure in which the movable seat is fixed to the fixed seat by the connecting assembly;
fig. 6 is a schematic structural diagram showing the matching of the lock head and the lock hole.
Description of reference numerals: 1. a foundation pit; 2. an operation area; 21. a straight section; 22. a slope section; 3. a pay-off mechanism; 4. a cable trench; 41. a base plate; 42. a side plate; 43. a convex edge; 44. a positioning cylinder; 45. a guide rail; 451. an upper flange plate; 452. a lower flange plate; 453. a web; 5. a positioning assembly; 51. a head rod; 52. positioning a rod; 53. positioning holes; 54. inserting a rod; 6. jacking equipment; 7. a base; 71. a support plate; 72. a vertical plate; 73. bending the plate; 74. a ball bearing; 8. a support bar; 9. a fixing device; 91. a fixed seat; 92. a movable seat; 93. a connection assembly; 931. an extension plate; 932. an operating lever; 933. a handle; 934. a bar-shaped block; 935. an external threaded section; 936. an ear plate; 937. a lock hole; 10. a top plate; 101. caulking grooves; 102. and a through hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Referring to fig. 1, the embodiment of the application discloses a construction method of a cable, which includes the following construction steps, S1: excavating a foundation pit 1; s2: constructing a cable trench; s3: laying a cable; s4: installing a top plate 10; s5: and backfilling the foundation pit 1.
In step S1, before construction, whether the actual cable path is consistent with the direction, length, passageway location and the like of the cable path diagram or not is rechecked, then measurement and correction are carried out through the measuring rope and the measuring mark, and meanwhile, obstacles on the ground are cleaned; detecting underground pipelines by using underground pipeline detection equipment, and synchronously marking the foundation pit 1 in the detection process to ensure the optimal path for excavation; during excavation, the foundation pit 1 is ensured to be straight and the bottom of the pit is ensured to be flat; in order to facilitate construction, an operation area 2 is dug at the initial end of a foundation pit 1, the operation area 2 comprises a straight section 21 and a slope section 22, the straight section 21 is arranged close to the foundation pit 1, the depth of the straight section 21 is the same as that of the foundation pit 1, the depth of the slope section 22 is gradually reduced towards the direction far away from the foundation pit 1 until the depth is equal to the ground, and a pay-off mechanism 3 for taking up and paying off cables is arranged on the ground close to the slope section 22; and after the foundation pit 1 is formed, paving a cushion layer at the bottom of the foundation pit 1 and tamping the cushion layer to level.
Referring to fig. 2 and 3, in step S2, the prefabricated cable trenches 4 are installed into the foundation pit 1 section by section through a hoisting device, and all the cable trenches 4 are connected in sequence to form a cable trench; the cable groove 4 comprises a groove body in a U-shaped structure, the groove body comprises a bottom plate 41 and two opposite side plates 42 fixedly connected to the bottom plate 41, convex edges 43 are integrally formed at the opposite sides and the upper positions of the two side plates 42, a positioning cylinder 44 which is hollow inside and is provided with openings at two ends is fixedly connected to the upper surface of each convex edge 43, and the positioning cylinders 44 are arranged along the length direction of the convex edges 43; the bottom plate 41 is fixedly connected with a through-length guide rail 45, the guide rail 45 is arranged along the cable laying direction, more specifically, the guide rail 45 is in an i shape and comprises an upper flange plate 451, a lower flange plate 452, and a web 453 integrally formed between the upper flange plate 451 and the lower flange plate 452, and the lower flange plate 452 is fixed on the bottom plate 41.
Referring to fig. 2 and 4, a positioning assembly 5 is inserted between the positioning cylinders 44 on the same side of the groove body, and is mainly used for correcting adjacent groove bodies so as to ensure the alignment between the adjacent guide rails 45. The positioning assembly 5 comprises a head rod 51 and a plurality of positioning rods 52, one end of the head rod 51 is conical, the other end of the head rod is provided with a positioning hole 53, and the conical arrangement is convenient for jacking into the positioning cylinder 44; an inserting rod 54 is fixedly connected to one end of each positioning rod 52, a positioning hole 53 is also processed at the other end of each positioning rod 52, the head rod 51 and the positioning rods 52 and the adjacent positioning rods 52 are in inserting fit through the inserting rods 54 and the positioning holes 53, and the inserting rods 54 and the positioning holes 53 are fixed by friction; the outer diameter of the positioning rod 52 is matched with the inner diameter of the positioning cylinder 44.
During construction, the head rod 51 is mounted on the positioning rod 52, then the head rod 51 and the positioning rod 52 penetrate through two adjacent positioning cylinders 44 on the same side, if a certain deviation exists between the positioning cylinders 44, the positions of the cable grooves 4 need to be finely adjusted, the positioning rod 52 is lengthened after the head rod 51 and the positioning rod 52 can penetrate through the positioning cylinders 44, and all the cable grooves 4 are connected in series through the head rod 51 and the positioning rod 52, so that alignment and alignment between the guide rails 45 are ensured.
Referring to fig. 1, in step S3, a terminal-side fence is installed on the cable trench 4 located at the terminal of the cable trench, for plugging one end of the cable trench; a hydraulic/electric jacking device 6 is arranged in the straight section 21 of the operation area 2; installing a support at the beginning of the cable trench, wherein the support slides on the guide rail 45 and is used as a sliding fulcrum of the cable, fixing the cable on the support after installing one support, pushing the support fixed with the cable to the tail end of the cable trench through the jacking equipment 6, and pulling and paying off the cable on the paying-off mechanism 3 in the process of pushing the support to move to lay the cable, so that the manual wire pulling and paying off are not needed, the working efficiency is greatly improved, and the operation is repeated according to the operation cycle until the laying of the cable is finished; after the cable is laid, a starting end side enclosure is arranged on the cable groove 4 at the starting end of the cable trench and used for plugging the other end of the cable trench.
Referring to fig. 3 and 5, the bracket includes a base 7 sliding on the guide rail 45, a support rod 8 fixed on the base 7, and a fixing device 9 disposed on the top of the support rod 8 for fixing the cable; the base 7 comprises a bearing plate 71, vertical plates 72 fixedly connected to two sides of the bearing plate 71 and oppositely arranged, and bending plates 73 formed on one opposite sides of the two vertical plates 72, the support rod 8 is fixed to one side of the bearing plate 71 far away from the vertical plates 72, a cavity which is through from front to back is formed among the bearing plate 71, the vertical plates 72 and the bending plates 73, in order to reduce the friction force between the support and the guide rail 45 in the moving process of the support, a plurality of groups of balls 74 arranged along the length direction of the guide rail 45 are embedded in the sides of the bearing plate 71 and the vertical plates 72 facing the cavity in a rolling manner, and correspondingly, sliding grooves for allowing the balls 74 to slide along the cable arrangement direction are processed at positions of the upper flange plates 451 corresponding to each group of balls 74; during installation, the cavity of the base 7 is slidably installed on the upper flange plate 451 of the guide rail 45 after aligning the upper flange plate 451.
Fixing device 9 highly is less than curb plate 42, fixing device 9 includes that the rigid coupling keeps away from the fixing base 91 of base 7 one end in bracing piece 8, cooperate with fixing base 91 in order to press from both sides tight sliding seat 92 with the cable, and be used for installing sliding seat 92 at the coupling assembling 93 on fixing base 91, the semicircular groove of stepping down has all been processed to one side that fixing base 91 and sliding seat 92 are relative, when sliding seat 92 is installed to fixing base 91 on, two are stepped down and are formed the installing port that supplies the cable to pass through between the groove. In order to firmly fix the cable between the fixed seat 91 and the movable seat 92, a rubber pad for increasing friction is bonded to the inner wall of the receding groove.
Referring to fig. 5 and 6, the connecting assembly 93 includes an extending plate 931 fixedly connected to the movable seat 92 and located at two sides of the cable arrangement direction, an operating rod 932 vertically passing through the extending plate 931 and rotatably engaged with the extending plate 931, a handle 933 fixedly connected to one end of the operating rod 932 far away from the fixed seat 91, and a bar-shaped block 934 fixedly connected to one end of the operating rod 932 close to the fixed seat 91, a lock head is formed between the bar-shaped block 934 and the operating rod 932, an external thread section 935 is processed on an outer wall of the operating rod 932, an internal thread is processed on a hole wall of a hole through which the operating rod passes on the extending plate 931, the internal thread is matched with the external thread section 935, and it should be noted that the external thread section 935 and the bar-shaped block 934 are located at the same side of the extending plate 931; the fixing seat 91 is integrally formed with an ear plate 936 at a position corresponding to the extending plate 931, a lock hole 937 for passing a lock head is formed in the ear plate 936, and when the external thread section 935 abuts against the internal thread, the bar-shaped block 934 is located on one side of the ear plate 936 away from the extending plate 931.
During the installation, place the cable in the inslot of stepping down of fixing base 91, the angle of tapered end has been adjusted, with movable seat 92 back-off on fixing base 91 in order to press from both sides the cable tight, meanwhile the tapered end passes through lockhole 937 to the below of otic placode 936 and apart from otic placode 936 two to three millimeters, this in-process, the top of external screw thread section 935 all the time with internal screw thread lower extreme looks butt, at this moment, rotate action bars 932 through handle 933, make action bars 932 threaded connection under external screw thread section 935 and internal screw thread cooperation on extension board 931, one side rises promptly and drives the tapered end and rotate certain angle, pivoted in-process, bar piece 934 and lockhole produce the dislocation, until bar piece 934 supports tight otic placode 936 and keeps away from one side of extension board 931, the realization is fixed to movable seat 92.
Referring to fig. 2, in step S4, the top plate 10 is covered on the cable groove 4 one by one to close the cable groove 4, a full-length caulking groove 101 is formed in a position of one side of the top plate 10 corresponding to the two side plates 42, and the top of each side plate 42 can be embedded into the caulking groove 101, so that the positioning and installation are facilitated on one hand, and a waterproof effect can be achieved on the other hand; roof 10 is located the one side that two caulking grooves 101 kept away from each other and is close to the position processing at edge and have a plurality of through-holes 102, during the construction, hang roof 10 on cable trench 4, the in-process of transferring, guarantee caulking groove 101 and curb plate 42 and adjust well, until curb plate 42 imbeds in the caulking groove 101, then pour the concrete through-hole 102 between roof 10 and the soil layer, when the through-hole 102 is full of to the concrete, stop the slip casting, so set up, be used for improving the firm degree after roof 10 installs on the one hand, on the other hand plays the waterproof effect of secondary.
In step S5, the earthwork is backfilled into the foundation pit 1 and tamped until it is flush with the ground.
This application adopts the mode of 4 field assembly of prefabricated cable trench to replace traditional mode of pouring, has left out the time of concrete initial set, has shortened construction cycle greatly, need not staff and gets into cable trench 4 in the in-process of construction moreover and lays cable, need not to reserve the current space of enough people promptly, has reduced the cycle of excavation foundation ditch 1, has reduced prefabricated cable trench 4's specification simultaneously, the cost is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A construction method of a cable is characterized by comprising the following construction steps,
s1: excavating a foundation pit (1);
s2: the prefabricated cable groove (4) is installed in the foundation pit (1) section by section to form a cable groove, the cable groove (4) comprises a groove body in a U-shaped structure and guide rails (45) fixed on the inner bottom wall of the groove body, and alignment between the adjacent guide rails (45) is guaranteed in the installation process;
s3: installing a bracket at the initial end of the cable trench, sliding the bracket on a guide rail (45), fixing a cable on the bracket after each bracket is installed, pushing the bracket fixed with the cable to the tail end of the cable trench, and circularly reciprocating until the cable is laid;
s4: covering the top plate (10) on the cable groove (4) to realize the sealing of the cable groove (4);
s5: and backfilling the foundation pit (1).
2. The method for constructing a cable according to claim 1, wherein in step S1, after the foundation pit (1) is formed, a cushion layer is laid on the bottom of the foundation pit (1) and tamped to level.
3. The method of claim 1, wherein: the groove body in the step S2 comprises a bottom plate (41) and two opposite side plates (42) fixedly connected to the bottom plate (41), wherein the two opposite side plates (42) are respectively integrally formed with a convex edge (43) at the position on the opposite side and close to the upper side, a positioning cylinder (44) is fixedly connected to the upper surface of the convex edge (43), the positioning cylinder (44) is arranged along the length direction of the bottom plate (41), and a positioning component (5) used for ensuring the alignment of the guide rails (45) penetrates through the positioning cylinders (44) on the same side of the groove body.
4. A method of constructing a cable according to claim 3, wherein: the positioning assembly (5) comprises a head rod (51) and a plurality of positioning rods (52) which are arranged in the positioning barrel (44) in a penetrating mode and connected in sequence, one end of the head rod (51) is conical, the other end of the head rod is provided with a positioning hole (53), one end of each positioning rod (52) is fixedly connected with an insert rod (54), the other end of each positioning rod is provided with a positioning hole (53), and the head rod (51) and the positioning rods (52) and adjacent positioning rods (52) are matched in an inserted mode through the insert rods (54) and the positioning holes (53); the outer diameter of the positioning rod (52) is matched with the inner diameter of the positioning cylinder (44).
5. The method of claim 1, wherein: the support in the step S3 includes a base (7) sliding on the guide rail (45), a support rod (8) fixed on the base (7), and a fixing device (9) arranged on the top of the support rod (8) for fixing the cable.
6. The method of claim 5, wherein: the guide rail (45) is I-shaped, the guide rail (45) comprises an upper flange plate (451), a lower flange plate (452) and a web plate (453) which is integrally formed between the upper flange plate (451) and the lower flange plate (452), and the lower flange plate (452) is fixed on the bottom plate (41);
the base (7) comprises a bearing plate (71), vertical plates (72) which are fixedly connected to two sides of the bearing plate (71) and are oppositely arranged, and bending plates (73) which are formed on one opposite sides of the two vertical plates (72), wherein the supporting rod (8) is fixed on one side, far away from the vertical plates (72), of the bearing plate (71), and cavities for the upper flange plates (451) to be inserted in a sliding mode are formed among the bearing plate (71), the vertical plates (72) and the bending plates (73).
7. The method of claim 6, wherein: and a plurality of groups of balls (74) arranged along the length direction of the guide rail (45) are embedded in the bearing plate (71) and the vertical plate (72) towards one side of the cavity in a rolling manner, and a sliding groove for allowing the balls (74) to slide along the cable arrangement direction is processed at the position of the upper flange plate (451) corresponding to each group of balls (74).
8. The method of claim 5, wherein: fixing device (9) include that the rigid coupling keeps away from fixing base (91) of base (7) one end in bracing piece (8), cooperate with fixing base (91) in order to press from both sides tight sliding seat (92) with the cable to and be used for installing sliding seat (92) coupling assembling (93) on fixing base (91), semicircular groove of stepping down has all been processed to one side that fixing base (91) and sliding seat (92) are relative, two are stepped down and are formed the installing port that supplies the cable to pass through between the groove.
9. The method of claim 8, wherein: the connecting assembly (93) comprises an extension plate (931) fixedly connected to the movable seat (92) and located on two sides of the cable arrangement direction, an operating rod (932) vertically penetrating through the extension plate (931) and rotatably matched with the extension plate (931), a handle (933) fixedly connected to one end, far away from the fixed seat (91), of the operating rod (932), and a bar-shaped block (934) fixedly connected to one end, close to the fixed seat (91), of the operating rod (932), an external thread section (935) is machined on the operating rod (932), internal threads are machined on the hole wall of a hole, through which the operating rod penetrates, of the extension plate (931), and the external thread section (935) and the bar-shaped block (934) are located on the same side of the extension plate (931);
the position, corresponding to the extension plate (931), of the fixing seat (91) is integrally provided with an ear plate (936), a lock hole (937) allowing the operating rod (932) and the strip-shaped block (934) to pass through is machined in the ear plate (936), and when the external thread section (935) is abutted to the internal thread, the strip-shaped block (934) is located on one side, away from the extension plate (931), of the ear plate (936).
10. The method of claim 1, wherein: in step S3, a terminal-side fence is attached to the cable groove (4) located at the terminal of the cable trench before the bracket is attached, and a start-side fence is attached to the cable groove (4) located at the start of the cable trench after the cable is laid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143096.1A CN114530797B (en) | 2022-02-16 | 2022-02-16 | Construction method of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JPH1118261A (en) * | 1997-06-27 | 1999-01-22 | Noji Tec Kk | Cable box and method for laying cable box |
| KR100743369B1 (en) * | 2006-11-21 | 2007-07-26 | 서상준 | Precast culvert assembly for both culvert and utility-pipe conduit |
| CN204258238U (en) * | 2014-10-30 | 2015-04-08 | 佛山市南海冠舜树脂复合材料有限公司 | A kind of prefabricated assembled irrigation canals and ditches device |
| CN106677209A (en) * | 2017-01-18 | 2017-05-17 | 河南国隆实业有限公司 | Intelligent comprehensive pre-fabricating pipe gallery and construction technique thereof |
| CN108233314A (en) * | 2017-12-01 | 2018-06-29 | 江苏昆山通用电气有限公司 | A kind of construction method of cable laying |
| CN111668797A (en) * | 2020-06-22 | 2020-09-15 | 广东电网有限责任公司 | Assembled cable pit |
| CN113178818A (en) * | 2021-04-30 | 2021-07-27 | 国网河南省电力公司社旗县供电公司 | Cable trench multi-row wiring device |
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2022
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1118261A (en) * | 1997-06-27 | 1999-01-22 | Noji Tec Kk | Cable box and method for laying cable box |
| KR100743369B1 (en) * | 2006-11-21 | 2007-07-26 | 서상준 | Precast culvert assembly for both culvert and utility-pipe conduit |
| CN204258238U (en) * | 2014-10-30 | 2015-04-08 | 佛山市南海冠舜树脂复合材料有限公司 | A kind of prefabricated assembled irrigation canals and ditches device |
| CN106677209A (en) * | 2017-01-18 | 2017-05-17 | 河南国隆实业有限公司 | Intelligent comprehensive pre-fabricating pipe gallery and construction technique thereof |
| CN108233314A (en) * | 2017-12-01 | 2018-06-29 | 江苏昆山通用电气有限公司 | A kind of construction method of cable laying |
| CN111668797A (en) * | 2020-06-22 | 2020-09-15 | 广东电网有限责任公司 | Assembled cable pit |
| CN113178818A (en) * | 2021-04-30 | 2021-07-27 | 国网河南省电力公司社旗县供电公司 | Cable trench multi-row wiring device |
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| CN114530797B (en) | 2024-01-30 |
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