CN114482595B - Method for replacing awning with low height of existing business line - Google Patents
Method for replacing awning with low height of existing business line Download PDFInfo
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- CN114482595B CN114482595B CN202111601168.4A CN202111601168A CN114482595B CN 114482595 B CN114482595 B CN 114482595B CN 202111601168 A CN202111601168 A CN 202111601168A CN 114482595 B CN114482595 B CN 114482595B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
Abstract
The application relates to the technical field of canopy disassembly and replacement, in particular to a method for disassembling and replacing a low-height canopy of an existing business line, which comprises the following construction steps: s1, preparing construction; s2, removing the field lamp; s3, two transverse rods are additionally arranged on two sides of the existing steel upright post, so that the overall strength of the existing steel upright post is improved; s4, removing the top sunlight plate and the purlines, and adding an artificial net below the top sunlight plate and the purlines for protection; s5, adding purlines and profiled steel sheets to the lower chord members for protection: the lower chord member is fixedly provided with purlines, and is provided with a fixing mechanism for connecting the purlines; s6, dismantling the upper chord member, the upper profiled steel sheet and the purlines; s7, newly adding an upper chord member, purlines and profiled steel sheets above the awning, wherein the height of the whole awning meets the pushing space requirement of the transfer platform. The application has the effect of reducing the intensity of interference generated by the awning of the original subway line to the construction of the upper transfer platform and reducing the possibility that the normal construction of the construction platform influences the normal operation of the subway line.
Description
Technical Field
The application relates to the technical field of canopy replacement, in particular to a method for replacing a low-height awning of an existing business line.
Background
Most urban rail transit systems are mass-transit rapid urban public transit systems for carrying commuting passengers in cities, and in many occasions, the urban rail transit systems are used as backbones of urban traffic. The subway is a rapid, large-traffic, electrically-towed rail traffic built in a city. The trains run on totally enclosed lines, the lines in the central urban area are basically arranged in underground tunnels, and the lines outside the central urban area are generally arranged on overhead bridges or the ground. The subway is an urban rail transit system which covers various underground and overground road rights of urban areas and has special, high density and high traffic.
In the prior art, a transfer station can be built at the junction of new and old subway lines, a plurality of steel pipe columns are all fixedly connected with on both sides of current subway operation line, the steel pipe columns on both sides are set up in a one-to-one correspondence, lower chords and upper chords are fixedly installed between corresponding two steel pipe columns, the upper chords are located the top of lower chords, a plurality of pole setting is fixedly installed between upper chords and the lower chords, a plurality of purlins are fixedly installed on the upper chords, a profiled steel sheet is installed on the top of purlins, a canopy is installed on the top of profiled steel sheet, and the canopy includes solar panels.
With respect to the related art, the inventor considers that some subway operation lines are located below buildings such as bridges, when transfer stations need to be built above the subway operation lines, a canopy above the existing subway operation lines may interfere with the construction of a transfer platform above the existing subway operation lines, and meanwhile, the construction of the transfer platform above may also affect the normal operation of the subway operation lines below.
Disclosure of Invention
In order to reduce the intensity of interference generated by a awning above an existing subway line to the construction of a transfer platform above the existing subway line and reduce the possibility that the construction of the upper construction platform influences the normal operation of the existing subway operation line, the application provides a low-height awning replacing method of the existing business line.
The existing business line low-height awning dismounting and changing method provided by the application adopts the following technical scheme:
the method for replacing the awning with the low height of the existing business line comprises the following steps:
s1, preparation of construction: firstly checking the types and distribution positions of pipelines on a awning, mainly comprising illumination lines and communication lines, then communicating with a rail operation unit, adopting a temporary transition scheme, and planning to arrange the illumination lines, the communication lines and the like on tie bars between the longitudinal directions of upright posts; s2, removing the field lamp; s3, two cross bars are newly added on two sides of the existing steel upright post, so that the overall strength of the existing steel upright post is improved; s4, dismantling a sunlight plate at the top of the awning and purlines, and adding an artificial net below the sunlight plate for protection; s5, adding purlines and profiled steel sheets to the lower chord members for protection: the lower chord member is fixedly provided with a purline, and a fixing mechanism for fixing the purline is arranged on the lower chord member; s6, dismantling the upper chord member, the upper profiled steel sheet and the purlines; s7, newly adding an upper chord, a purline and a profiled steel sheet above the awning, wherein the height of the whole awning meets the requirement of the pushing space of the transfer platform.
By adopting the technical scheme, the connecting strength between the lower chord member and the purline can be enhanced by the fixing mechanism, so that the possibility of separation between the lower chord member and the purline can be reduced; therefore, the strength of interference generated by the awning of the original subway line to the construction of the upper transfer platform can be reduced, and the possibility that the normal operation of the subway line is influenced by the normal construction of the construction platform is reduced.
Optionally, in S5, the fixed establishment includes multiunit coupling assembling, coupling assembling includes plug rod and fixed block, plug rod fixed connection is in the lateral wall of lower chord member, fixed block fixed connection is in the lateral wall of purlin, set up grafting groove and first groove that slides in the fixed block, the grafting groove is linked together with first groove that slides, the plug rod can peg graft in the inner chamber of grafting groove, be equipped with the gag lever post in the first groove that slides, gag lever post sliding connection is in the lateral wall of first groove that slides, first gag lever post has been seted up on the plug rod, the gag lever post can peg graft the cooperation with first gag lever post, fixed establishment is still including being used for carrying out driven drive assembly to the gag lever post.
Through adopting above-mentioned technical scheme, when needs are connected bottom chord member and purlin, at first remove the peg graft pole and insert in the jack-in groove, afterwards, under drive assembly's effect, the gag lever post removes and inserts in first spacing groove to can reduce the possibility of taking place the separation between peg graft pole and the purlin, and then can reduce the possibility of taking place the separation between bottom chord member and the purlin.
Optionally, the driving assembly comprises a driving rod, a second sliding groove is formed in the fixing block, the driving rod is slidably connected to the side wall of the second sliding groove, a first inclined plane is arranged on one side, close to the insertion rod, of the driving rod, a second inclined plane is arranged on one side, far away from the insertion rod, of the driving rod, a third sliding groove is formed in the fixing block, the third sliding groove is communicated with the second sliding groove, a connecting rod is arranged in the third sliding groove, the connecting rod is slidably connected to the side wall of the third sliding groove, a third inclined plane is arranged on the connecting rod, the third inclined plane can be in butt fit with the second inclined plane, a rack is fixedly connected to the side wall of the connecting rod, a first storage groove is formed in the fixing plate, two side walls of the first storage groove are respectively communicated with the third sliding groove and the first sliding groove, a rotating rod is arranged in the first storage groove, one end of the rotating rod is rotatably connected to one side wall, far away from the insertion rod, of the rotating rod is fixedly connected with a gear, and the gear is meshed with the rack; the lateral wall of bull stick is equipped with the screw thread, the one end that the gag lever post was kept away from the plug-in bar passes through screw thread threaded connection in the bull stick.
Through adopting above-mentioned technical scheme, when the drive gag lever post removes, at first remove the spliced pole and insert in the spliced groove, the spliced pole can promote the actuating lever through first inclined plane afterwards and remove, afterwards, the actuating lever can promote the connecting rod through the cooperation between third inclined plane and the second inclined plane and remove, and the connecting rod removes and drives the rack and remove, and the rack removes and drives the gear rotation, and the gear rotation drives the bull stick and rotates, rotates and remove through screw drive gag lever post to can drive the gag lever post and remove.
Optionally, the fixed plate is internally provided with a fourth sliding groove, the fourth sliding groove is communicated with the second sliding groove, the inserting connection rod is provided with a second limiting groove, the driving rod can be matched with the second limiting groove in an inserting mode, the side wall of the driving rod is fixedly connected with a baffle, the baffle is slidably connected to the side wall of the fourth sliding groove, the inner wall of the fourth sliding groove is fixedly connected with a fixed plate, a first spring is arranged in the fourth sliding groove, and two ends of the first spring are fixedly connected to the inner sides of the baffle and the fixed plate respectively.
Through adopting above-mentioned technical scheme, when the drive plug rod removed, the plug rod promoted the actuating lever and removed, and at this moment, the actuating lever removed and driven the baffle and remove, and the baffle removes and can compress first spring, and when the plug rod removed to the second spacing groove and the corresponding position of actuating lever, at this moment, the baffle removed and can promote the baffle and remove by the elasticity of first spring, and the baffle removes and can drive the actuating lever and remove to insert to in the second spacing groove to can strengthen the joint strength between lower chord member and the purlin.
Optionally, a first protection component for protecting the first spring is arranged in the fourth sliding groove.
Through adopting above-mentioned technical scheme, the first protection subassembly that sets up can protect first spring.
Optionally, the first protection component comprises a protection rod, one end of the protection rod is fixedly connected to the side wall of the baffle, a first sliding hole is formed in the fixing plate, the protection rod is slidably connected to the inner wall of the first sliding hole, and the first spring is sleeved on the protection rod; the one end fixedly connected with separation blade that the baffle was kept away from to the protection pole, the separation blade can butt in the fixed plate one side lateral wall that keeps away from the baffle.
Through adopting above-mentioned technical scheme, when first spring extension or compression, the possibility that the protection pole that sets up can reduce first spring damage because of taking place to warp.
Optionally, a limiting component for limiting the limiting rod is arranged in the first limiting groove.
Through adopting above-mentioned technical scheme, the spacing subassembly of setting can carry out spacingly to the gag lever post.
Optionally, spacing subassembly includes the stopper, the one end that the stopper is close to the gag lever post is equipped with the fourth inclined plane, the second storage tank has been seted up in the peg graft pole, the second storage tank is linked together with first limit tank, stopper sliding connection is in the lateral wall of second storage tank, be equipped with the second spring in the second storage tank, the both ends of second spring are fixed connection respectively in one side lateral wall that the gag lever post was kept away from to the second storage tank and one side that the gag lever post was kept away from to the stopper.
Through adopting above-mentioned technical scheme, when the gag lever post removes and inserts in the first spacing groove, the gag lever post can overcome the elasticity of second spring through fourth inclined plane drive stopper and remove, when the gag lever post removes the position between the bottom lateral wall of stopper and first spacing groove to can carry out spacingly to the gag lever post, and then can reduce the likelihood that the gag lever post takes place to remove.
Optionally, a second protection component for protecting the second spring is arranged in the second storage groove.
Through adopting above-mentioned technical scheme, the second protection component that sets up can protect the second spring.
Optionally, the second protection component includes loop bar and slide bar, one end fixedly connected with of loop bar is kept away from the lateral wall of one side of gag lever post in the second storage tank, the loop bar is close to the one end of gag lever post and has seted up second hole and fifth groove that slides in proper order, fifth groove and the second hole of sliding are linked together that slides, slide bar sliding connection is in the lateral wall in second hole that slides, the one end fixedly connected with spacing piece that the gag lever post was kept away from to the slide bar, spacing piece sliding connection is in the lateral wall in fifth groove that slides.
Through adopting above-mentioned technical scheme, when the second spring takes place to compress or stretch, the slide bar can slide in the inner chamber in second hole of sliding, and spacing piece can slide in the inner chamber in fifth sliding groove to can reduce the possibility that the second spring is damaged because of taking place to warp.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fixing mechanism can strengthen the connection strength between the lower chord and the purline, so that the possibility of separation between the lower chord and the purline can be reduced; therefore, the strength of interference generated by the awning of the original subway line to the construction of the upper transfer platform can be reduced, and the possibility that the normal operation of the subway line is influenced by the normal construction of the construction platform is reduced;
2. when the inserting rod is driven to move, the inserting rod pushes the driving rod to move, at the moment, the driving rod moves to drive the baffle to move, the baffle can compress the first spring, when the inserting rod moves to the position corresponding to the driving rod, at the moment, the elastic force of the first spring can push the baffle to move, and the baffle can drive the driving rod to move and be inserted into the second limiting groove, so that the connection strength between the lower chord member and the purline can be enhanced;
3. when the second spring is compressed or stretched, the sliding rod can slide in the inner cavity of the second sliding hole, and the limiting piece can slide in the inner cavity of the fifth sliding groove, so that the possibility of damage of the second spring due to twisting can be reduced.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of a fixing mechanism according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a highlighting coupling assembly in an embodiment of the present application;
FIG. 4 is a cross-sectional view highlighting a first storage tank in an embodiment of the present application;
FIG. 5 is a cross-sectional view of a highlight stop assembly in an embodiment of the present application;
fig. 6 is a cross-sectional view highlighting the first protective member in an embodiment of the present application.
Reference numerals illustrate: 1. rain shed; 11. a lower chord; 12. purlin; 2. a fixing mechanism; 21. a connection assembly; 211. inserting a connecting rod; 212. a fixed block; 213. a plug-in groove; 214. a first slip groove; 215. a limit rod; 216. a first limit groove; 3. a drive assembly; 31. a driving rod; 32. a second slip groove; 33. a first inclined surface; 34. a second inclined surface; 35. a third slip groove; 36. a connecting rod; 37. a third inclined surface; 38. a rack; 39. a first storage tank; 40. a rotating rod; 41. a gear; 42. a thread; 5. a fourth slip groove; 51. the second limit groove; 52. a baffle; 53. a fixing plate; 54. a first spring; 6. a first protective component; 61. a protection rod; 62. a first sliding hole; 63. a baffle; 7. a limit component; 71. a limiting block; 72. a fourth inclined surface; 73. a second storage tank; 74. a second spring; 8. a second protection component; 81. a loop bar; 82. a slide bar; 83. a second sliding hole; 84. a fifth slip groove; 85. and a limiting piece.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a method for replacing a low-height awning of an existing business line. As shown in the title 1, the method comprises the following steps:
s1, preparation of construction: before dismantling construction, checking the types and distribution positions of pipelines on the awning, wherein the pipelines mainly comprise illumination lines and communication lines; then, the system is communicated with a rail operation unit, adopts a temporary transition scheme and is planned to be arranged on a tie rod between the vertical columns; the whole canopy 1 dismantling construction is carried out during power failure in a track operation skylight period, and the construction process is planned to be 0: 00-5:00;
s2, removing the field lamp;
s3, two transverse rods are additionally arranged on two sides of the existing steel upright post, the overall strength of the steel upright post is improved, when workers perform manual operation, lighting fixtures are required to be additionally arranged on site, and the workers need to tie safety belts;
s4, dismantling a sunlight plate and purlines 12 at the top of the canopy 1, paying attention to protection of a track area and a road below, manually pulling protective nets on two sides of a platform right below the dismantling area, and laying color stripe cloth on the protective nets, so that possibility that tools, parts and the like are hit by pedestrians after falling onto the ground can be reduced;
s5, adding purlines 12 and profiled steel sheets to the lower chord 11 for protection: the purline 12 is fixedly arranged on the lower chord 11, the lower chord 11 is provided with the fixing mechanism 2 for connecting the purline 12, and the fixing mechanism 2 can strengthen the connection strength between the lower chord 11 and the purline 12, so that the possibility of separation between the lower chord 11 and the purline 12 can be reduced;
s6, dismantling the upper chord member, the upper profiled steel sheet and the purlines 12;
s7, newly adding an upper chord member, purlines 12 and profiled steel sheets above the canopy 1, wherein the height of the whole canopy 1 needs to meet the pushing space requirement of a transfer platform.
As shown in fig. 2 and 3, in S5, the fixing mechanism 2 includes two sets of connection assemblies 21, the two sets of connection assemblies 21 are respectively disposed on the left and right sides of the purline 12, the connection assemblies 21 include a plugging rod 211 and a fixing block 212, the plugging rod 211 is rectangular, and the plugging rod 211 is fixedly connected to the bottom side wall of the lower chord 11; the fixed block 212 is cuboid, and the fixed block 212 is fixedly connected to the side wall of the purline 12; referring to fig. 4, a plugging slot 213 and a first sliding slot 214 are formed in the fixed block 212, the plugging slot 213 extends along the height direction of the fixed block 212, the first sliding slot 214 extends along the length direction of the fixed block 212, the plugging slot 213 is communicated with the first sliding slot 214, and the plugging rod 211 can be plugged into the inner cavity of the plugging slot 213; a limiting rod 215 is arranged in the first sliding groove 214, the limiting rod 215 is in a cuboid shape, the limiting rod 215 is connected to the side wall of the first sliding groove 214 in a sliding manner along the length direction of the fixed block 212, a first limiting groove 216 is formed in the plug-in rod 211, the first limiting groove 216 extends along the height direction of the plug-in rod 211, the limiting rod 215 can be in plug-in fit with the first limiting groove 216, and the fixed mechanism 2 further comprises a driving assembly 3 for driving the limiting rod 215; when the lower chord 11 needs to be connected with the purline 12, the inserting rod 211 is firstly moved to be inserted into the inserting groove 213, and then the limiting rod 215 is moved to be inserted into the first limiting groove 216 under the action of the driving assembly 3, so that the possibility of separation between the inserting rod 211 and the purline 12 can be reduced, and the possibility of separation between the lower chord 11 and the purline 12 can be reduced.
As shown in fig. 3 and 5, the driving assembly 3 includes a driving rod 31, the driving rod 31 is in a cuboid shape, a second sliding groove 32 is formed in the fixed block 212, the second sliding groove 32 extends along the length direction of the fixed block 212, the driving rod 31 is slidably connected to the side wall of the second sliding groove 32 along the length direction of the fixed block 212, a first inclined surface 33 is arranged on one side of the driving rod 31 close to the inserting rod 211, and a second inclined surface 34 is arranged on one side of the driving rod 31 far away from the inserting rod 211; the fixed block 212 is internally provided with a third sliding groove 35, the third sliding groove 35 extends along the height direction of the fixed block 212, the third sliding groove 35 is communicated with the second sliding groove 32, the third sliding groove 35 is internally provided with a connecting rod 36, the connecting rod 36 is cuboid, the connecting rod 36 is slidably connected to the side wall of the third sliding groove 35 along the height direction of the fixed block 212, one end, close to the lower chord 11, of the connecting rod 36 is provided with a third inclined surface 37, the third inclined surface 37 can be in abutting fit with the second inclined surface 34, the side wall of the connecting rod 36 is fixedly connected with a rack 38, and the rack 38 is vertically arranged; referring to fig. 4, a first storage groove 39 is formed in the fixing plate 53, the first storage groove 39 extends along the length direction of the fixing block 212, two side walls of the first storage groove 39 are respectively communicated with the third sliding groove 35 and the first sliding groove 214, a rotating rod 40 is arranged in the first storage groove 39, the rotating rod 40 is in a cylindrical shape, one end, away from the inserting and connecting rod 211, of the rotating rod 40 is rotatably connected to one side wall, away from the inserting and connecting rod 211, of the first storage groove 39 through a bearing, a gear 41 is sleeved and fixed on the side wall of the rotating rod 40, and the gear 41 is meshed with the rack 38; the side wall of the rotating rod 40 is provided with threads 42, and one end of the limiting rod 215, which is far away from the inserting-connecting rod 211, is connected to the rotating rod 40 through the threads 42 and the threads 42; when the limit rod 215 needs to be driven to move, the inserting connection rod 211 is firstly inserted into the inserting groove 213, then the inserting connection rod 211 can push the driving rod 31 to move through the first inclined surface 33, then the driving rod 31 can push the connecting rod 36 to move through the cooperation between the third inclined surface 37 and the second inclined surface 34, the connecting rod 36 moves to drive the rack 38 to move, the rack 38 moves to drive the gear 41 to rotate, the gear 41 rotates to drive the rotating rod 40 to rotate, and the rotating rod 40 rotates to drive the limit rod 215 to move through the thread 42, so that the limit rod 215 can be driven to move.
As shown in fig. 5 and 6, a fourth sliding groove 5 is formed in the fixed block 212, the fourth sliding groove 5 extends along the length direction of the fixed block 212, the fourth sliding groove 5 is communicated with the second sliding groove 32, a second limiting groove 51 is formed on the plugging rod 211, the second limiting groove 51 extends along the length direction of the plugging rod 211, and the driving rod 31 can be in plugging fit with the second limiting groove 51; the side wall of the driving rod 31 is fixedly connected with a baffle plate 52, the baffle plate 52 is in a cuboid shape, the baffle plate 52 is slidably connected to the side wall of the fourth sliding groove 5 along the length direction of the fixed block 212, the inner wall of the fourth sliding groove 5 is fixedly connected with a fixed plate 53, the fixed plate 53 is in a cuboid shape, a first spring 54 is arranged in the fourth sliding groove 5, the first spring 54 is horizontally arranged, and two ends of the first spring 54 are fixedly connected to the opposite inner sides of the baffle plate 52 and the fixed plate 53 respectively; when the inserting rod 211 is driven to move, the inserting rod 211 pushes the driving rod 31 to move, at this time, the driving rod 31 moves to drive the baffle plate 52 to move, the baffle plate 52 moves to compress the first spring 54, and when the inserting rod 211 moves to a position corresponding to the driving rod 31 in the second limiting groove 51, in combination with fig. 2, the elastic force of the first spring 54 can push the baffle plate 52 to move, and the baffle plate 52 moves to drive the driving rod 31 to move and be inserted into the second limiting groove 51, so that the connection strength between the lower chord 11 and the purline 12 can be enhanced.
As shown in fig. 5 and 6, a first protection component 6 for protecting the first spring 54 is arranged in the fourth sliding groove 5, and the first protection component 6 can protect the first spring 54; the first protection component 6 comprises a protection rod 61, the protection rod 61 is in a cylinder shape, one end of the protection rod 61, which is close to the insertion rod 211, is fixedly connected to one side, which is far away from the insertion rod 211, of the baffle plate 52, a first sliding hole 62 is formed in the fixing plate 53, the first sliding hole 62 extends along the width direction of the fixing plate 53, the protection rod 61 is slidably connected to the inner wall of the first sliding hole 62 along the width direction of the fixing plate 53, and the first spring 54 is sleeved on the protection rod 61; the end of the protection rod 61 far away from the baffle plate 52 is fixedly connected with a baffle plate 63, the baffle plate 63 is in a cylinder shape, and the baffle plate 63 can be abutted against the side wall of the fixed plate 53 far away from the baffle plate 52; the protection lever 61 is provided to reduce the possibility of the first spring 54 being damaged by twisting when the first spring 54 is stretched or compressed.
As shown in fig. 5, a limiting component 7 for limiting the limiting rod 215 is arranged in the first limiting groove 216, and the limiting component 7 can limit the limiting rod 215; the limiting component 7 comprises a limiting block 71, the limiting block 71 is in a cuboid shape, a fourth inclined surface 72 is arranged at one end, close to the limiting rod 215, of the limiting block 71, a second storage groove 73 is formed in the inserting rod 211, the second storage groove 73 extends along the length direction of the inserting rod 211, the second storage groove 73 is communicated with a first limiting groove 216, the limiting block 71 is slidably connected to the side wall of the second storage groove 73 along the length direction of the inserting rod 211, a second spring 74 is arranged in the second storage groove 73, the second spring 74 is horizontally arranged, and two ends of the second spring 74 are fixedly connected to the side wall, away from the limiting rod 215, of the second storage groove 73 and one side, away from the limiting rod 215, of the limiting block 71 respectively; when the limiting rod 215 is movably inserted into the first limiting groove 216, the limiting rod 215 can drive the limiting block 71 to overcome the elastic force of the second spring 74 through the fourth inclined surface 72, and when the limiting rod 215 moves to a position between the limiting block 71 and the bottom side wall of the first limiting groove 216, the limiting rod 215 can be limited, and the possibility of movement of the limiting rod 215 can be reduced.
As shown in fig. 5, a second protection component 8 for protecting the second spring 74 is provided in the second storage groove 73, and the second protection component 8 is provided to protect the second spring 74; the second protection component 8 comprises a sleeve rod 81 and a sliding rod 82, wherein the sleeve rod 81 and the sliding rod 82 are in a cylindrical shape, one end of the sleeve rod 81, which is far away from the limiting rod 215, is fixedly connected to one side wall of the second storage groove 73, which is far away from the limiting rod 215, a second sliding hole 83 and a fifth sliding groove 84 are sequentially formed in one end of the sleeve rod 81, which is close to the limiting rod 215, the second sliding hole 83 and the fifth sliding groove 84 extend along the axial direction of the sleeve rod 81, the fifth sliding groove 84 is communicated with the second sliding hole 83, the sliding rod 82 is connected to the side wall of the second sliding hole 83 in a sliding manner along the axial direction of the sleeve rod 81, one end of the sliding rod 82, which is far away from the limiting rod 215, is fixedly connected with a limiting piece 85, the limiting piece 85 is in a cylindrical shape, and the limiting piece 85 is connected to the side wall of the fifth sliding groove 84 along the axial direction of the sleeve rod 81; when the second spring 74 is compressed or stretched, the sliding rod 82 can slide in the inner cavity of the second sliding hole 83, and the limiting piece 85 can slide in the inner cavity of the fifth sliding groove 84, so that the possibility of damage of the second spring 74 due to twisting can be reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. The method for disassembling and replacing the awning with low height of the existing business line is characterized by comprising the following steps of: the construction method comprises the following construction steps:
s1, preparation of construction: firstly checking the types and distribution positions of pipelines on a awning (1), mainly comprising illumination lines and communication lines, then communicating with a rail operation unit, and planning to arrange the illumination lines and the communication lines on tie bars between the longitudinal directions of upright posts by adopting a temporary transition scheme;
s2, removing the field lamp;
s3, two cross bars are newly added on two sides of the existing steel upright post, so that the overall strength of the existing steel upright post is improved;
s4, dismantling a sunlight plate and purlines (12) at the top of the awning (1), and adding an artificial pocket net below the sunlight plate to protect;
s5, adding purlines (12) to the lower chord member (11) and protecting the profiled steel sheet: the lower chord member (11) is fixedly provided with a purline (12), and the lower chord member (11) is provided with a fixing mechanism (2) for fixing the purline (12);
s6, dismantling the upper chord member, the upper profiled steel sheet and the purlines (12);
s7, newly adding an upper chord member, purlines (12) and profiled steel sheets above the canopy (1), wherein the height of the whole canopy (1) meets the requirement of a pushing space of a transfer platform;
in S5, fixed establishment (2) include multiunit coupling assembling (21), coupling assembling (21) include plug rod (211) and fixed block (212), plug rod (211) fixed connection is in the lateral wall of chord member (11) down, fixed block (212) fixed connection is in the lateral wall of purlin (12), plug groove (213) and first sliding groove (214) have been seted up in fixed block (212), plug groove (213) are linked together with first sliding groove (214), plug rod (211) can peg graft in the inner chamber of plug groove (213), be equipped with gag lever post (215) in first sliding groove (214), first gag lever post (216) have been seted up on plug rod (211), gag lever post (215) can peg graft the cooperation with first gag lever post (216), fixed establishment (2) still include and are used for carrying out drive assembly (3) of drive gag lever post (215).
2. The method for replacing the existing business line low-height awning as claimed in claim 1, wherein the method comprises the following steps: the driving assembly (3) comprises a driving rod (31), a second sliding groove (32) is formed in a fixed block (212), the driving rod (31) is slidably connected to the side wall of the second sliding groove (32), a first inclined surface (33) is arranged on one side, close to the inserting connection rod (211), of the driving rod (31), a second inclined surface (34) is arranged on one side, far away from the inserting connection rod (211), of the driving rod (31), a third sliding groove (35) is formed in the fixed block (212), the third sliding groove (35) is communicated with the second sliding groove (32), a connecting rod (36) is arranged in the third sliding groove (35), the connecting rod (36) is slidably connected to the side wall of the third sliding groove (35), a third inclined surface (37) is arranged on the connecting rod (36), the third inclined surface (37) can be in butt fit with the second inclined surface (34), racks (38) are fixedly connected to the side wall of the connecting rod (36), a first groove (39) is formed in the fixed plate (53), the first side wall (39) is communicated with the first side wall (39) and the first side wall (40), one end of the rotating rod (40) is rotatably connected to the side wall of the first storage groove (39) far away from the inserting connection rod (211), a gear (41) is fixedly connected to the side wall of the rotating rod (40), and the gear (41) is meshed with the rack (38); the side wall of the rotating rod (40) is provided with threads (42), and one end, far away from the inserting connection rod (211), of the limiting rod (215) is connected to the rotating rod (40) through the threads (42) in a threaded mode.
3. The method for replacing the existing business line low-height awning as claimed in claim 2, wherein: the utility model discloses a fixed plate, including fixed plate (53) and fixed plate (53), set up fourth sliding groove (5) in fixed plate (53), fourth sliding groove (5) are linked together with second sliding groove (32), second spacing groove (51) have been seted up on spliced pole (211), actuating lever (31) can carry out grafting cooperation with second spacing groove (51), lateral wall fixedly connected with baffle (52) of actuating lever (31), baffle (52) sliding connection is in the lateral wall of fourth sliding groove (5), the inner wall fixedly connected with fixed plate (53) of fourth sliding groove (5), be equipped with first spring (54) in fourth sliding groove (5), the both ends of first spring (54) are fixed connection respectively in the relative inboard of baffle (52) and fixed plate (53).
4. The method for replacing the existing business line low-height awning according to claim 3, wherein the method comprises the following steps: a first protection component (6) for protecting the first spring (54) is arranged in the fourth sliding groove (5).
5. The method for replacing the existing business line low-height awning as claimed in claim 4, wherein: the first protection component (6) comprises a protection rod (61), one end of the protection rod (61) is fixedly connected to the side wall of the baffle plate (52), a first sliding hole (62) is formed in the fixed plate (53), the protection rod (61) is connected to the inner wall of the first sliding hole (62) in a sliding mode, and the first spring (54) is sleeved on the protection rod (61); one end of the protection rod (61) far away from the baffle plate (52) is fixedly connected with a baffle plate (63), and the baffle plate (63) can be abutted to the side wall of the fixing plate (53) far away from the baffle plate (52).
6. The method for replacing the existing business line low-height awning as claimed in claim 1, wherein the method comprises the following steps: and a limiting assembly (7) for limiting the limiting rod (215) is arranged in the first limiting groove (216).
7. The method for replacing the existing business line low-height awning as claimed in claim 6, wherein: the limiting component (7) comprises a limiting block (71), a fourth inclined surface (72) is arranged at one end, close to a limiting rod (215), of the limiting block (71), a second storage groove (73) is formed in the inserting rod (211), the second storage groove (73) is communicated with the first limiting groove (216), the limiting block (71) is slidably connected to the side wall of the second storage groove (73), a second spring (74) is arranged in the second storage groove (73), and two ends of the second spring (74) are fixedly connected to the side wall, away from the limiting rod (215), of the second storage groove (73) and one side, away from the limiting rod (215), of the limiting block (71).
8. The method for replacing the existing business line low-height awning as claimed in claim 7, wherein: a second protection component (8) for protecting the second spring (74) is arranged in the second storage groove (73).
9. The method for replacing the existing business line low-height awning as claimed in claim 8, wherein: the second protection component (8) comprises a sleeve rod (81) and a sliding rod (82), one end of the sleeve rod (81) is fixedly connected with one side wall of the second storage groove (73) away from the limiting rod (215), one end of the sleeve rod (81) close to the limiting rod (215) is sequentially provided with a second sliding hole (83) and a fifth sliding groove (84), the fifth sliding groove (84) is communicated with the second sliding hole (83), the sliding rod (82) is connected with the side wall of the second sliding hole (83) in a sliding mode, one end of the sliding rod (82) away from the limiting rod (215) is fixedly connected with a limiting plate (85), and the limiting plate (85) is connected with the side wall of the fifth sliding groove (84) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111601168.4A CN114482595B (en) | 2021-12-24 | 2021-12-24 | Method for replacing awning with low height of existing business line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111601168.4A CN114482595B (en) | 2021-12-24 | 2021-12-24 | Method for replacing awning with low height of existing business line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213952287U (en) * | 2020-12-10 | 2021-08-13 | 中铁五局集团建筑工程有限责任公司 | Truss vehicle device for reconstruction and extension construction of existing overhead operation subway station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6679023B2 (en) * | 2001-03-19 | 2004-01-20 | John Rizzotto | Rapid assembly steel framing |
| CN201865321U (en) * | 2010-11-23 | 2011-06-15 | 中铁建工集团有限公司 | Multifunctional movable protecting and isolating operating platform |
| CN203383520U (en) * | 2013-04-12 | 2014-01-08 | 中铁四局集团有限公司 | Deep foundation pit canopy |
| US11746555B2 (en) * | 2016-01-26 | 2023-09-05 | Weatherhaven Global Resources Ltd. | Rapidly deployable modular shelter system |
| CN205475677U (en) * | 2016-01-27 | 2016-08-17 | 黄淮学院 | Steel house room unit |
| CN211775227U (en) * | 2019-12-20 | 2020-10-27 | 河南鹏宇钢构股份有限公司 | Light steel awning structure |
| CN212295776U (en) * | 2020-04-24 | 2021-01-05 | 周进均 | Assembled protection canopy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213952287U (en) * | 2020-12-10 | 2021-08-13 | 中铁五局集团建筑工程有限责任公司 | Truss vehicle device for reconstruction and extension construction of existing overhead operation subway station |
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