CN116667261B - Flexible tunnel power cable erection equipment adapting to multiple wire diameters and construction method - Google Patents
Flexible tunnel power cable erection equipment adapting to multiple wire diameters and construction method Download PDFInfo
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- CN116667261B CN116667261B CN202310954453.7A CN202310954453A CN116667261B CN 116667261 B CN116667261 B CN 116667261B CN 202310954453 A CN202310954453 A CN 202310954453A CN 116667261 B CN116667261 B CN 116667261B
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- 238000010276 construction Methods 0.000 title description 6
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
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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
- H02G9/08—Installations of electric cables or lines in or on the ground or water in tunnels
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to the technical field of cable erection equipment, and discloses flexible tunnel power cable erection equipment adapting to multiple wire diameters, which comprises: a mounting plate; the supporting plate is fixedly connected with the mounting plate and is provided with a slope surface at the top; the driving groove is formed on the slope surface of the supporting plate; a plurality of positioning plates which are sequentially arranged and are movably arranged in the driving groove left and right; and the two end parts of the U-shaped plate are detachably arranged on the mounting plate and are used for covering the supporting plate. The cables which need to be fixed are arranged in the thickness sequence, the cables are placed in a plurality of cable grooves from left to right in sequence, the control screw rod rotates to enable the moving block to move right in the driving groove, then the cables are pushed to move through the locating plate, the cables gradually rise under the action of the slope surface when moving, the bottoms of the cables are supported by the tight elastic bands when the cables gradually rise, the tops of the cables are tightly pressed on the soft cushions, and therefore the effect of effective locating is achieved, and the cables with different wire diameters can be flexibly adapted.
Description
Technical Field
The invention relates to the technical field of cable erection equipment, in particular to flexible tunnel power cable erection equipment adapting to multiple wire diameters and a construction method.
Background
The number and variety of the power cables in the tunnel section are large, and the thickness difference is large, so that great difficulty is brought to the arrangement, erection and fixation of the cables in the tunnel. In the prior art, in order to adapt to cables with different diameters, a plurality of cable positioning holes with different diameters are generally arranged on a cable bracket; however, the thickness of the cable to be laid is uncertain, so that the cable cannot correspond to the diameter of the cable positioning hole every time, the diameter of the cable is thinner than that of the cable positioning hole, and the diameter of the cable is thicker than that of the cable positioning hole;
when the diameter of the cable is thinner than that of the cable positioning hole, an auxiliary cushion layer is required to be paved in the cable positioning hole, and when the diameter of the cable is thicker than that of the cable positioning hole, the cable cannot be normally installed at all; therefore, the cable positioning hole with fixed size cannot achieve good cable fixing effect.
Therefore, we propose a flexible multi-wire-diameter adapted tunnel power cable erection equipment and a construction method.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the tunnel power cable erection equipment and the construction method which are flexibly adapted to the multi-wire diameter, and the tunnel power cable erection equipment has the advantages of stable layout and flexible adaptation to the multi-wire diameter cable.
In order to achieve the purpose of stably and flexibly adapting to the multi-wire-diameter cable, the invention provides the following technical scheme: flexible multi-wire diameter adapted tunnel power cable erection equipment comprising:
a mounting plate;
the supporting plate is fixedly connected with the mounting plate and is provided with a slope surface at the top;
the driving groove is formed on the slope surface of the supporting plate;
a plurality of positioning plates which are sequentially arranged and are movably arranged in the driving groove left and right;
the two end parts of the U-shaped plate are detachably arranged on the mounting plate and are used for covering the supporting plate;
and a soft cushion is fixedly arranged on the inner top wall of the U-shaped plate.
As a preferable technical scheme of the invention, the T-shaped plugboard is fixedly arranged on the inner bottom wall of the U-shaped board, the T-shaped plugboard is movably inserted into the T-shaped groove, and the T-shaped groove is arranged at the bottom of the supporting board.
As a preferable technical scheme of the invention, a screw rod is rotationally arranged in the driving groove, the outer wall of the screw rod is in threaded connection with a moving block, the moving block is a cuboid block, and a plurality of positioning plates are fixedly arranged at the top of the moving block.
As a preferable technical scheme of the invention, a cable groove for placing the power cable is formed between every two adjacent positioning plates, and the width of the cable groove gradually narrows from left to right.
As a preferable technical scheme of the invention, each cable groove is internally provided with a fixed rod, and two ends of the fixed rod are respectively fixedly arranged on the inner walls of two sides of the driving groove;
an elastic belt is fixedly arranged between the top of the fixing rod and the locating plate on the right side of the fixing rod, and when the locating plate moves right, the elastic belt can be stretched to be tightened.
As a preferable technical scheme of the invention, the upper side and the lower side of the mounting plate are respectively provided with two slots corresponding to the two end parts of the U-shaped plate, and the two end parts of the U-shaped plate are respectively clamped in the two slots.
As a preferable technical scheme of the invention, a first clamping plate is movably and telescopically arranged on the inner bottom wall of the upper slot, and a top clamping groove for clamping the first clamping plate is formed at the upper end part of the U-shaped plate;
the second clamping plate is movably and telescopically arranged on the inner top wall of the lower slot, and a bottom clamping groove for clamping the second clamping plate is formed in the lower end part of the U-shaped plate.
As a preferable technical scheme of the invention, the tail end of the screw rod is fixedly provided with a driving gear, the driving gear is rotatably arranged in a vertical cavity, the vertical cavity is arranged in the mounting plate, and the upper end and the lower end of the vertical cavity are respectively communicated with two slots;
a first toothed plate is meshed with one side of the outer wall of the driving gear, and the first toothed plate is connected with a first clamping plate through a first connecting rod;
the opposite side meshing of drive gear outer wall has the second pinion rack, the second pinion rack is connected with the second cardboard through the second connecting rod.
As a preferable technical scheme of the invention, a first buffer cavity is formed in the first toothed plate, a first pressing plate is movably arranged in the first buffer cavity, a first connecting rod is fixedly arranged at the top of the first pressing plate, and a first spring is fixedly arranged between the bottom of the first pressing plate and the inner bottom wall of the first buffer cavity;
the inside of second pinion rack is formed with the second cushion chamber, second cushion intracavity activity is provided with the second clamp plate, second connecting rod fixed mounting is in the bottom of second clamp plate, and fixedly provided with the second spring between the interior roof in second cushion chamber and the top of second clamp plate.
As a preferable technical scheme of the invention, a knob is fixedly arranged at the other end of the screw rod, and a through groove for allowing the knob to pass through is formed in the U-shaped plate;
the inside of knob has offered prismatic groove, still be provided with between logical groove and the knob and be used for making the unidirectional rotation of knob prevent canceling release mechanical system.
As a preferable technical scheme of the invention, the reset prevention mechanism comprises a shifting block, a clamping block, a movable plate, a supporting spring and a pull rod, wherein the shifting blocks are uniformly arranged on the outer wall of the knob, the clamping blocks are movably clamped between two adjacent shifting blocks, the clamping blocks are fixedly arranged on the movable plate, the movable plate is movably arranged in a plate cavity, and the plate cavity is arranged in a U-shaped plate;
the movable plate is fixedly provided with a supporting spring between one side of the movable plate, which is opposite to the clamping block, and the inner side wall of the plate cavity, the supporting spring is sleeved on the pull rod, one end of the pull rod is fixedly connected with the movable plate, and the other end of the pull rod extends to the outside of the U-shaped plate.
As a preferable technical scheme of the invention, the front side and the rear side of the supporting plate are fixedly provided with side plates through side rods, the top of each side plate is movably and telescopically provided with a telescopic rod, and the top of each telescopic rod is fixedly provided with a tensioning rod which is consistent with the inclination angle of a slope surface.
As a preferable technical scheme of the invention, a bottom plate is fixedly arranged at the bottom of the telescopic rod, the bottom plate is movably arranged in the hollow plug, a third spring is fixedly arranged between the bottom plate and the inner bottom wall of the hollow plug, the hollow plug is movably arranged in the movable cavity, the movable cavity is arranged in the side plate, a fourth spring is sleeved on the telescopic rod, and the fourth spring is fixedly arranged between the top of the hollow plug and the inner top wall of the movable cavity;
the movable cavity is also provided with an air duct through which air can be filled into the movable cavity.
As a preferable technical scheme of the invention, a plug cavity is formed in the fixed rod, and the plug cavity is communicated with the movable cavity through an air duct;
the piston is movably arranged in the plug cavity, and the piston is fixedly connected with the left locating plate through a push rod.
The flexible tunnel power cable erection construction method adapting to the multi-wire diameter comprises the following steps:
s1, fixedly mounting a mounting plate on a tunnel wall through bolts;
s2, arranging cables to be erected according to the thickness sequence, and sequentially placing the cables into a plurality of cable grooves from left to right;
s3, mounting the U-shaped plate on the mounting plate and covering the supporting plate;
s4, controlling the screw rod to rotate, enabling the moving block to move right in the driving groove, pushing the cable to move through the locating plate, gradually rising under the action of the slope surface when the cable moves, supporting the bottom of the cable by the tight elastic belt, tightly pressing the top of the cable on the soft cushion, and therefore effectively locating the cable, and flexibly adapting to the cables with multiple wire diameters.
Compared with the prior art, the invention provides flexible tunnel power cable erection equipment adapting to multiple wire diameters, which has the following beneficial effects:
1. this flexible adaptation multi-line diameter's tunnel power cable erects equipment, the cable that needs to fix is arranged according to thickness order, place in a plurality of cable groove in proper order from a left side to the right side, control lead screw rotation can make the movable block move right in the drive slot, and then promote the cable removal through the locating plate, rise gradually under the effect of slope face when the cable removes, when rising gradually, its bottom can be supported by the elastic webbing that tightens, its top can be tightly pressed and establish on the cushion, thereby reach effective location's effect, and through the setting of elastic webbing and cushion, also can flexible adaptation different line diameter's cable.
2. This flexible adaptation multi-line diameter's tunnel power cable erects equipment, still can drive gear rotation when the lead screw is rotatory, drive gear rotation simultaneously drive first pinion rack and shift up and the second pinion rack moves down, first pinion rack moves up the first cardboard of its top and can block into the top draw-in groove of U template, the second pinion rack moves down in the second cardboard of its below can block into the bottom draw-in groove of U template to, through first cardboard and the card of second cardboard in top draw-in groove and bottom draw-in groove respectively go into, can effectively lock U template position, prevent that it from breaking away from the mounting panel.
3. According to the flexible tunnel power cable erection equipment adapting to the multiple wire diameters, when the screw rod is driven to rotate through the knob so that the moving block moves rightwards, the poking blocks on the outer wall of the knob can squeeze the clamping blocks one by one, and the clamping blocks retract; after the movable block is adjusted to a proper position, the clamping block is clamped between the two shifting blocks, so that the knob and the screw rod are limited to be reversed, and wind disturbance and vibration in the tunnel are prevented from rotating the knob and the screw rod.
4. This flexible adaptation multi-line diameter's tunnel power cable erects equipment, the locating plate promotes the cable to remove in order to carry out flexible location to it, still can promote the piston through the push rod to remove, the piston removes and fills into the activity chamber through the gas-guide pipe with the gas in the stopper chamber, fill gas in the activity chamber and can make the hollow plug move, the hollow plug moves and drives the tensioning pole through the telescopic link and reciprocate, the tensioning pole moves up the outside one section of tight cable in the cable duct in top, thereby can carry out the tensioning to it, keep its taut, reduce the swing that cable unsettled part produced because of wind harassment and vibrations, further improvement cable layout's stability.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is an enlarged schematic view of a U-shaped plate portion of the present invention;
FIG. 4 is a cross-sectional view of a pallet portion of the present invention;
FIG. 5 is a front cross-sectional view of a moving block portion of the present invention;
FIG. 6 is a cross-sectional view of a mounting plate portion of the present invention;
FIG. 7 is a cross-sectional view of a first toothed plate and a second toothed plate portion of the present invention;
FIG. 8 is a cross-sectional view of a U-shaped plate portion of the present invention;
FIG. 9 is an enlarged schematic view of the invention at A in FIG. 8;
FIG. 10 is an enlarged schematic view of a side panel portion of the present invention;
fig. 11 is a cross-sectional view of a side panel portion of the present invention.
In the figure: 1. a mounting plate; 2. a supporting plate; 3. a slope surface; 4. a positioning plate; 5. a U-shaped plate; 6. a soft cushion; 7. t-shaped plugboard; 8. a T-shaped groove; 9. a slot; 10. a driving groove; 11. a moving block; 12. a screw rod; 13. a fixed rod; 14. an elastic belt; 15. a drive gear; 16. a vertical cavity; 17. a first toothed plate; 18. a first platen; 19. a first spring; 20. a first connecting rod; 21. a first clamping plate; 22. a second toothed plate; 23. a second pressing plate; 24. a second spring; 25. a second connecting rod; 26. a second clamping plate; 27. a top clamping groove; 28. a bottom clamping groove; 29. a knob; 30. a through groove; 31. prismatic grooves; 32. a shifting block; 33. a clamping block; 34. a movable plate; 35. a plate cavity; 36. a support spring; 37. a pull rod; 38. a plug cavity; 39. a piston; 40. a push rod; 41. a side bar; 42. a side plate; 43. a telescopic rod; 44. a tension rod; 45. a bottom plate; 46. a hollow plug; 47. a third spring; 48. a movable cavity; 49. and a fourth spring.
Detailed Description
Embodiment one:
referring to fig. 1-5, a flexible multi-wire-diameter-adapted tunnel power cable erection device comprises a mounting plate 1, wherein mounting holes are uniformly formed in the mounting plate 1, so that the mounting plate 1 can be mounted on a tunnel wall through bolts, as shown in fig. 2, a supporting plate 2 is fixedly connected with the mounting plate 1, a slope surface 3 is formed at the top of the supporting plate 2, the slope surface 3 is inclined from right to left, and a driving groove 10 is formed in the slope surface 3;
in this embodiment, a plurality of positioning plates 4 are movably arranged in the driving groove 10 in a left-right manner, specifically, as shown in fig. 4 and 5, a screw rod 12 is rotatably arranged in the driving groove 10, the outer wall of the screw rod 12 is in threaded connection with a moving block 11, the moving block 11 is a cuboid block, the plurality of positioning plates 4 are fixedly arranged at the top of the moving block 11, the screw rod 12 rotates to drive the moving block 11 in threaded connection with the outer wall of the screw rod to move left-right, and the moving block 11 can drive the plurality of positioning plates 4 to move left-right;
in this embodiment, as shown in fig. 5, cable grooves for placing power cables are formed between every two adjacent positioning plates 4, and the width of the cable grooves gradually narrows from left to right, so that cables of different thicknesses can be placed in different cable grooves in the order of their diameter changes.
As shown in fig. 1 and 3, a U-shaped board 5 is further provided, both ends of the U-shaped board 5 are detachably mounted on the mounting board 1 for covering the supporting board 2, in addition, a soft pad 6 is fixedly provided on the inner top wall of the U-shaped board 5, after the U-shaped board 5 is mounted, the inner top wall of the U-shaped board 5 is a plane, and the slope surface 3 is an inclined surface, so that the cable in the cable groove can be tightly supported on the inner top wall of the U-shaped board 5 only by controlling the positioning board 4 to move right in the driving groove 10, specifically, the soft pad 6.
Referring to fig. 5, each cable groove is provided with a fixing rod 13, two ends of the fixing rod 13 are respectively and fixedly installed on two side inner walls of the driving groove 10, in addition, an elastic belt 14 is fixedly arranged between the top of the fixing rod 13 and the positioning plate 4 on the right side of the fixing rod, and when the positioning plate 4 moves to the right, the elastic belt 14 is stretched to tighten the fixing rod, so that the bottom of a cable in the cable groove can be supported;
in the embodiment, cables to be fixed are arranged in a thickness sequence, the cables are sequentially placed in a plurality of cable grooves from left to right, the control screw rod 12 rotates to enable the movable block 11 to move right in the driving groove 10, the cables are pushed to move through the positioning plate 4, the cables gradually rise under the action of the slope surface 3 when moving, the bottoms of the cables are supported by the stretched elastic belts 14 when the cables gradually rise, the tops of the cables are tightly pressed on the soft cushions 6, and therefore the effect of effective positioning is achieved, and the cables with different wire diameters can be flexibly adapted through the arrangement of the elastic belts 14 and the soft cushions 6.
In the embodiment, a T-shaped plugboard 7 is fixedly arranged on the inner bottom wall of the U-shaped board 5, the T-shaped plugboard 7 is movably inserted into a T-shaped groove 8, and the T-shaped groove 8 is formed in the bottom of the supporting board 2;
by inserting the T-shaped plugboard 7 into the T-shaped groove 8, the installation of the U-shaped board 5 can be more stable, and the U-shaped board and the supporting board 2 are connected into a whole, so that the U-shaped board cannot shake up and down.
Embodiment two:
referring to fig. 3-7, in the first embodiment, two slots 9,U corresponding to two ends of a U-shaped board 5 are respectively formed on the upper and lower sides of the mounting board 1, two ends of the U-shaped board 5 are respectively clamped in two slots 9, specifically, a first clamping board 21 is movably and telescopically arranged on the inner bottom wall of the upper slot 9, a top clamping groove 27 for clamping the first clamping board 21 is formed on the upper end of the U-shaped board 5, a second clamping board 26 is movably and telescopically arranged on the inner top wall of the lower slot 9, and a bottom clamping groove 28 for clamping the second clamping board 26 is formed on the lower end of the U-shaped board 5;
when the U-shaped plate 5 is installed, two end parts of the U-shaped plate 5 are respectively clamped into the two slots 9, and then the U-shaped plate 5 can be effectively locked by clamping the first clamping plate 21 in the top clamping groove 27 and clamping the second clamping plate 26 in the bottom clamping groove 28, so that the U-shaped plate 5 is prevented from being separated from the installation plate 1.
In this embodiment, the first clamping plate 21 and the second clamping plate 26 extend out to be driven by the screw rod 12, specifically, as shown in fig. 6, a driving gear 15 is fixedly installed at the end of the screw rod 12, the driving gear 15 is rotatably arranged in a vertical cavity 16, the vertical cavity 16 is arranged inside the mounting plate 1, and the upper end and the lower end of the vertical cavity are respectively communicated with the two slots 9;
one side of the outer wall of the driving gear 15 is meshed with a first toothed plate 17, the first toothed plate 17 is connected with a first clamping plate 21 through a first connecting rod 20, the other side of the outer wall of the driving gear 15 is meshed with a second toothed plate 22, and the second toothed plate 22 is connected with a second clamping plate 26 through a second connecting rod 25;
when the screw rod 12 rotates to enable the moving block 11 to move, the driving gear 15 is driven to rotate, the driving gear 15 drives the first toothed plate 17 to move upwards and the second toothed plate 22 to move downwards simultaneously, the first clamping plate 21 above the first toothed plate 17 moves upwards can be clamped into the top clamping groove 27 of the U-shaped plate 5, the second clamping plate 26 below the second toothed plate 22 moves downwards can be clamped into the bottom clamping groove 28 of the U-shaped plate 5, and accordingly the position of the U-shaped plate 5 can be effectively locked and prevented from being separated from the mounting plate 1 through the clamping of the first clamping plate 21 and the second clamping plate 26 in the top clamping groove 27 and the bottom clamping groove 28 respectively.
In this embodiment, further, a first buffer cavity is formed in the first toothed plate 17, a first pressing plate 18 is movably disposed in the first buffer cavity, a first connecting rod 20 is fixedly mounted at the top of the first pressing plate 18, a first spring 19 is fixedly disposed between the bottom of the first pressing plate 18 and the inner bottom wall of the first buffer cavity, a second buffer cavity is formed in the second toothed plate 22, a second pressing plate 23 is movably disposed in the second buffer cavity, a second connecting rod 25 is fixedly mounted at the bottom of the second pressing plate 23, and a second spring 24 is fixedly disposed between the top of the second pressing plate 23 and the inner top wall of the second buffer cavity;
when the screw rod 12 rotates, the moving block 11 moves and the first clamping plate 21 and the second clamping plate 26 extend at the same time, if the first clamping plate 21 and the second clamping plate 26 are clamped into the top clamping groove 27 and the bottom clamping groove 28 respectively, and the moving block 11 still needs to move, the screw rod 12 can still rotate at the moment, the first toothed plate 17 moves upwards again, and the first clamping plate 21 compresses the first spring 19 through the first connecting rod 20 and the first pressing plate 18; at this time, the second toothed plate 22 moves down again, and the second clamping plate 26 compresses the second spring 24 through the second connecting rod 25 and the second pressing plate 23;
by arranging the first spring 19 and the second spring 24, the moving block 11 can have a longer stroke on the screw rod 12, and the power cable with different thickness can be more suitable.
Embodiment III:
referring to fig. 8 and 9, in the first and second embodiments, a knob 29 is fixedly mounted at the other end of the screw 12 in the present embodiment, a through slot 30 for passing through the knob 29 is formed on the u-shaped plate 5, and a prism slot 31 is formed inside the knob 29;
after the U-shaped plate 5 is installed, the knob 29 is positioned in the through groove 30, and at the moment, the prismatic tool is inserted into the prismatic groove 31, so that the rotation of the knob 29 can be controlled, and the screw rod 12 is driven to rotate.
If the driving force of the screw rod 12 is removed after the first spring 19 and the second spring 24 are compressed, the first toothed plate 17 and the second toothed plate 22 are reset under the action of the first spring 19 and the second spring 24, and the screw rod 12 is reversely rotated, so that in the embodiment, an anti-reset mechanism for enabling the knob 29 to unidirectionally rotate is further arranged between the through groove 30 and the knob 29;
specifically, the reset prevention mechanism comprises a shifting block 32, a clamping block 33, a movable plate 34, a supporting spring 36 and a pull rod 37, as shown in fig. 9, the shifting block 32 is uniformly arranged on the outer wall of the knob 29, the clamping block 33 is movably clamped between two adjacent shifting blocks 32, the clamping block 33 is fixedly arranged on the movable plate 34, the movable plate 34 is movably arranged in a plate cavity 35, and the plate cavity 35 is arranged in the U-shaped plate 5;
a supporting spring 36 is fixedly arranged between one side of the movable plate 34, which is opposite to the clamping block 33, and the inner side wall of the plate cavity 35, the supporting spring 36 is sleeved on a pull rod 37, one end of the pull rod 37 is fixedly connected with the movable plate 34, and the other end extends to the outside of the U-shaped plate 5;
when the screw rod 12 is driven to rotate through the knob 29 so as to move the moving block 11 to the right, the poking blocks 32 on the outer wall of the knob 29 can press the clamping blocks 33 one by one, so that the clamping blocks 33 retract (when the clamping blocks 33 retract, the supporting springs 36 can be compressed through the movable plates 34); after the moving block 11 is adjusted to a proper position, the clamping block 33 is clamped between the two shifting blocks 32, so that on one hand, the reversing of the knob 29 and the screw rod 12 is limited, and on the other hand, wind disturbance and vibration in a tunnel can be avoided to enable the knob 29 and the screw rod 12 to rotate;
when the locking is required to be released, the pull rod 37 is directly pulled, the pull rod 37 is pulled to drive the clamping block 33 to move through the movable plate 34, and the clamping block 33 moves to be separated from the adjacent two shifting blocks 32, so that the locking of the position of the knob 29 can be released.
Embodiment four:
referring to fig. 10 and 11, in the first, second or third embodiments, side plates 42 are fixedly mounted on both front and rear sides (or a single side) of the pallet 2 in this embodiment through side plates 41, a telescopic rod 43 is movably arranged at the top of the side plate 42 in a telescopic manner, and a tensioning rod 44 which is consistent with the inclination angle of the slope surface 3 is fixedly mounted at the top of the telescopic rod 43;
when the telescopic rod 43 stretches out, the tensioning rod 44 can be moved upwards, the tensioning rod 44 can push up one section of the cable outside the cable groove, so that the cable can be tensioned, the tension of the cable can be kept, the swinging of the suspended part of the cable due to wind disturbance and vibration can be reduced, and the stability of cable arrangement can be further improved.
As shown in fig. 11, a bottom plate 45 is fixedly installed at the bottom of the telescopic rod 43, the bottom plate 45 is movably arranged in the hollow plug 46, a third spring 47 is fixedly arranged between the bottom plate 45 and the inner bottom wall of the hollow plug 46, the hollow plug 46 is movably arranged in a movable cavity 48, the movable cavity 48 is arranged in the side plate 42, in addition, a fourth spring 49 is sleeved on the telescopic rod 43, and the fourth spring 49 is fixedly arranged between the top of the hollow plug 46 and the inner top wall of the movable cavity 48;
the cable tensioning device also comprises an air duct, wherein air can be filled into the movable cavity 48 through the air duct, the hollow plug 46 can be moved upwards by filling air into the movable cavity 48, and the tensioning rod 44 can be driven to move upwards by the telescopic rod 43 to tension the cable after the hollow plug 46 moves upwards.
In this embodiment, as shown in fig. 5, a plug cavity 38 is formed in the fixed rod 13, the plug cavity 38 is communicated with a movable cavity 48 through an air duct (not shown in the figure), a piston 39 is movably arranged in the plug cavity 38, and the piston 39 is fixedly connected with the positioning plate 4 on the left side of the piston 39 through a push rod 40;
when the positioning plate 4 pushes the cable to move so as to flexibly position the cable, the piston 39 is pushed to move by the push rod 40, the piston 39 moves to charge the gas in the plug cavity 38 into the movable cavity 48 through the gas guide pipe, the gas is filled into the movable cavity 48 to enable the hollow plug 46 to move upwards, the hollow plug 46 moves upwards to drive the tensioning rod 44 to move upwards through the telescopic rod 43, the tensioning rod 44 moves upwards to tightly prop against one section of the cable outside the cable groove, so that the cable can be tensioned, the tension is kept, the swinging of the suspended part of the cable due to wind disturbance and vibration is reduced, and the cable layout stability is further improved;
when the cable is sufficiently tensioned and the air is still being introduced into the movable chamber 48, the hollow plug 46 is still moved upwards, and the tensioning rod 44 is in turn compressed by the telescopic rod 43 and the bottom plate 45 to compress the third spring 47, so that the cable is prevented from being damaged due to the fact that the tensioning rod 44 is raised too high.
Fifth embodiment:
referring to fig. 1-11, the present embodiment provides a method for flexibly adapting to multi-wire-diameter tunnel power cable erection, which specifically includes the following steps:
firstly, fixedly mounting a mounting plate 1 on a tunnel wall through bolts;
step two, arranging cables to be erected according to the thickness sequence, and sequentially placing the cables into a plurality of cable grooves from left to right;
step three, mounting the U-shaped plate 5 on the mounting plate 1 and covering the supporting plate 2;
step four, the screw rod 12 is controlled to rotate, so that the moving block 11 moves rightwards in the driving groove 10, the cable is pushed to move through the positioning plate 4, the cable gradually rises under the action of the slope surface 3 when moving, the bottom of the cable is supported by the stretched elastic belt 14, and the top of the cable is tightly pressed on the soft cushion 6, so that the cable is effectively positioned, and the cable is flexibly adapted to cables with multiple wire diameters.
Claims (10)
1. Flexible tunnel power cable erection equipment that adapts to many line footpaths, its characterized in that includes:
a mounting plate (1);
the supporting plate (2) is fixedly connected with the mounting plate (1), and a slope surface (3) is formed at the top of the supporting plate;
a driving groove (10) which is arranged on the slope surface (3) of the supporting plate (2);
a plurality of positioning plates (4) which are sequentially arranged and are movably arranged in the driving groove (10) left and right;
the two end parts of the U-shaped plate (5) are detachably arranged on the mounting plate (1) and are used for covering the supporting plate (2);
a soft cushion (6) is fixedly arranged on the inner top wall of the U-shaped plate (5);
a screw rod (12) is rotationally arranged in the driving groove (10), a moving block (11) is connected to the outer wall of the screw rod (12) in a threaded manner, the moving block (11) is a cuboid block, and a plurality of positioning plates (4) are fixedly arranged at the top of the moving block (11);
two slots (9) corresponding to the two end parts of the U-shaped plate (5) are respectively formed in the upper side and the lower side of the mounting plate (1), and the two end parts of the U-shaped plate (5) are respectively clamped in the two slots (9);
a first clamping plate (21) is movably and telescopically arranged on the inner bottom wall of the upper slot (9), and a top clamping groove (27) for clamping the first clamping plate (21) is formed in the upper end part of the U-shaped plate (5);
a second clamping plate (26) is movably and telescopically arranged on the inner top wall of the lower slot (9), and a bottom clamping groove (28) for clamping the second clamping plate (26) is formed in the lower end part of the U-shaped plate (5);
the tail end of the screw rod (12) is fixedly provided with a driving gear (15), the driving gear (15) is rotatably arranged in a vertical cavity (16), the vertical cavity (16) is arranged in the mounting plate (1), and the upper end and the lower end of the vertical cavity are respectively communicated with the two slots (9);
a first toothed plate (17) is meshed with one side of the outer wall of the driving gear (15), and the first toothed plate (17) is connected with a first clamping plate (21) through a first connecting rod (20);
a second toothed plate (22) is meshed with the other side of the outer wall of the driving gear (15), and the second toothed plate (22) is connected with a second clamping plate (26) through a second connecting rod (25);
a first buffer cavity is formed in the first toothed plate (17), a first pressing plate (18) is movably arranged in the first buffer cavity, a first connecting rod (20) is fixedly arranged at the top of the first pressing plate (18), and a first spring (19) is fixedly arranged between the bottom of the first pressing plate (18) and the inner bottom wall of the first buffer cavity;
the inside of second pinion rack (22) is formed with second cushion chamber, second cushion intracavity activity is provided with second clamp plate (23), second connecting rod (25) fixed mounting is in the bottom of second clamp plate (23), and fixedly provided with second spring (24) between the interior roof in top and the second cushion chamber of second clamp plate (23).
2. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 1, wherein: t-shaped inserting plates (7) are fixedly mounted on the inner bottom wall of the U-shaped plate (5), the T-shaped inserting plates (7) are movably inserted into T-shaped grooves (8), and the T-shaped grooves (8) are formed in the bottoms of the supporting plates (2).
3. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 1, wherein: a cable groove for placing the power cable is formed between every two adjacent positioning plates (4), and the width of the cable groove gradually narrows from left to right.
4. A flexible multi-wire-diameter adapted tunnel power cable erection device according to claim 3, wherein: a fixed rod (13) is arranged in each cable slot, and two ends of the fixed rod (13) are respectively and fixedly arranged on the inner walls of two sides of the driving slot (10);
an elastic belt (14) is fixedly arranged between the top of the fixing rod (13) and the locating plate (4) on the right side of the fixing rod, and when the locating plate (4) moves right, the elastic belt (14) is stretched to be tightened.
5. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 1, wherein: a knob (29) is fixedly arranged at the other end of the screw rod (12), and a through groove (30) for allowing the knob (29) to pass through is formed in the U-shaped plate (5);
a prismatic groove (31) is formed in the knob (29), and an anti-reset mechanism for enabling the knob (29) to rotate unidirectionally is further arranged between the through groove (30) and the knob (29).
6. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 5, wherein: the anti-reset mechanism comprises a shifting block (32), clamping blocks (33), a movable plate (34), supporting springs (36) and pull rods (37), wherein the shifting blocks (32) are uniformly arranged on the outer wall of the knob (29), the clamping blocks (33) are movably clamped between two adjacent shifting blocks (32), the clamping blocks (33) are fixedly arranged on the movable plate (34), the movable plate (34) is movably arranged in a plate cavity (35), and the plate cavity (35) is formed in the U-shaped plate (5);
a supporting spring (36) is fixedly arranged between one side of the movable plate (34) back to the clamping block (33) and the inner side wall of the plate cavity (35), the supporting spring (36) is sleeved on a pull rod (37), one end of the pull rod (37) is fixedly connected with the movable plate (34), and the other end of the pull rod extends to the outside of the U-shaped plate (5).
7. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 4, wherein: the front side and the rear side of the supporting plate (2) are fixedly provided with side plates (42) through side rods (41), the tops of the side plates (42) are movably provided with telescopic rods (43) in a telescopic mode, and tensioning rods (44) which are consistent with the inclination angle of the slope surface (3) are fixedly arranged at the tops of the telescopic rods (43).
8. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 7, wherein: the bottom of the telescopic rod (43) is fixedly provided with a bottom plate (45), the bottom plate (45) is movably arranged in the hollow plug (46), a third spring (47) is fixedly arranged between the bottom plate and the inner bottom wall of the hollow plug (46), the hollow plug (46) is movably arranged in a movable cavity (48), the movable cavity (48) is formed in the side plate (42), a fourth spring (49) is sleeved on the telescopic rod (43), and the fourth spring (49) is fixedly arranged between the top of the hollow plug (46) and the inner top wall of the movable cavity (48);
and an air duct through which air can be filled into the movable cavity (48).
9. The flexible multi-wire-diameter adapted tunnel power cable erection equipment of claim 8, wherein: a plug cavity (38) is formed in the fixed rod (13), and the plug cavity (38) is communicated with the movable cavity (48) through an air duct;
a piston (39) is movably arranged in the plug cavity (38), and the piston (39) is fixedly connected with the left positioning plate (4) through a push rod (40).
10. A method for flexibly adapting to multi-wire-diameter tunnel power cable erection, for flexibly adapting to multi-wire-diameter tunnel power cable erection equipment according to any one of claims 1-9, characterized in that: the method comprises the following steps:
s1, fixedly mounting a mounting plate (1) on a tunnel wall through bolts;
s2, arranging cables to be erected according to the thickness sequence, and sequentially placing the cables into a plurality of cable grooves from left to right;
s3, mounting the U-shaped plate (5) on the mounting plate (1) and covering the supporting plate (2);
s4, controlling the screw rod (12) to rotate, enabling the moving block (11) to move right in the driving groove (10), pushing the cable to move through the locating plate (4), gradually rising under the action of the slope surface (3) when the cable moves, supporting the bottom of the cable by the tight elastic band (14), and tightly pressing the top of the cable on the soft cushion (6), so that the cable is effectively located, and the cable with multiple wire diameters is flexibly adapted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310954453.7A CN116667261B (en) | 2023-08-01 | 2023-08-01 | Flexible tunnel power cable erection equipment adapting to multiple wire diameters and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310954453.7A CN116667261B (en) | 2023-08-01 | 2023-08-01 | Flexible tunnel power cable erection equipment adapting to multiple wire diameters and construction method |
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| CN116667261B true CN116667261B (en) | 2023-10-31 |
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| CN202310954453.7A Active CN116667261B (en) | 2023-08-01 | 2023-08-01 | Flexible tunnel power cable erection equipment adapting to multiple wire diameters and construction method |
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| CN118032483B (en) * | 2024-04-12 | 2024-07-02 | 天津滨电电力工程有限公司 | Power cable buffer layer stress analysis equipment and method |
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| JPS58136210A (en) * | 1982-02-04 | 1983-08-13 | 株式会社フジクラ | Method of laying cable in tunner |
| CN207218199U (en) * | 2017-09-11 | 2018-04-10 | 辽宁铁道职业技术学院 | A kind of Multi-purpose railway tunnel and subway combination cable support |
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Effective date of registration: 20231009 Address after: No. 278 Hongqi Road, Nankai District, Tianjin, 300110 Applicant after: State Grid Tianjin electric power company Chengxi power supply branch Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: STATE GRID TIANJIN ELECTRIC POWER Co. Applicant after: TIANJIN BINDIAN ELECTRIC POWER ENGINEERING Co.,Ltd. Applicant after: TIANJIN ELECTRIC POWER ENGINEERING SUPERVISION Co.,Ltd. Applicant after: Tianjin Tianyuan Electric Power Engineering Co.,Ltd. Applicant after: Tianjin Ninghe District Ningdong Shengyuan Power Engineering Co.,Ltd. Applicant after: Tianjin Chengxi Guangyuan Power Engineering Co.,Ltd. Address before: No. 687 Xingfu Jiayuan, Tanggu, Binhai New Area, Tianjin, 300456 Applicant before: TIANJIN BINDIAN ELECTRIC POWER ENGINEERING Co.,Ltd. Applicant before: TIANJIN ELECTRIC POWER ENGINEERING SUPERVISION Co.,Ltd. Applicant before: Tianjin Tianyuan Electric Power Engineering Co.,Ltd. Applicant before: Tianjin Ninghe District Ningdong Shengyuan Power Engineering Co.,Ltd. Applicant before: Tianjin Chengxi Guangyuan Power Engineering Co.,Ltd. Applicant before: STATE GRID TIANJIN ELECTRIC POWER Co. Applicant before: STATE GRID CORPORATION OF CHINA |
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Effective date of registration: 20231127 Address after: No. 278 Hongqi Road, Nankai District, Tianjin, 300110 Patentee after: State Grid Tianjin electric power company Chengxi power supply branch Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID TIANJIN ELECTRIC POWER Co. Address before: No. 278 Hongqi Road, Nankai District, Tianjin, 300110 Patentee before: State Grid Tianjin electric power company Chengxi power supply branch Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID TIANJIN ELECTRIC POWER Co. Patentee before: TIANJIN BINDIAN ELECTRIC POWER ENGINEERING Co.,Ltd. Patentee before: TIANJIN ELECTRIC POWER ENGINEERING SUPERVISION Co.,Ltd. Patentee before: Tianjin Tianyuan Electric Power Engineering Co.,Ltd. Patentee before: Tianjin Ninghe District Ningdong Shengyuan Power Engineering Co.,Ltd. Patentee before: Tianjin Chengxi Guangyuan Power Engineering Co.,Ltd. |
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