CN212026582U

CN212026582U - Corridor system without lifting points

Info

Publication number: CN212026582U
Application number: CN202020460485.3U
Authority: CN
Inventors: 高春志; 张焯; 宋福庆
Original assignee: Star Usg Building Materials Co ltd
Current assignee: Star Usg Building Materials Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-27
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to a lifting point-free corridor system, which relates to the technical field of architectural decoration, and comprises two U-shaped channel steel with U-shaped cross section, wherein the channel steel comprises a first plate, a second plate and a third plate, the second plate and the third plate are respectively and fixedly connected with the two sides of the first plate, the second plate is positioned above the third plate, the two channel steel are respectively arranged on the walls at the two sides of the corridor, the two channel steel are arranged at equal height, and two channel-section steels are all laid along the length direction of corridor, and the opening of two channel-section steels is relative, and two first boards are parallel with the wall of corridor both sides respectively, and together fixed through wearing to establish a plurality of fixing bolt between first board and the wall, are provided with the ceiling of polylith rectangle between two channel-section steels, and the both sides of ceiling are provided with first fixed plate and second fixed plate respectively, and the both ends of first fixed plate are taken respectively and are established on two second boards, and the both ends of second fixed plate are taken respectively and are established on two second boards. Has the advantage of convenient installation on the corridor.

Description

Corridor system without lifting points

Technical Field

The utility model belongs to the technical field of architectural decoration's technique and specifically relates to a no hoisting point corridor system is related to.

Background

At present, with the development of society, people pay more and more attention to the decoration of building, and present interior decoration mostly need do the furred ceiling, beautify the space on indoor roof.

Chinese patent with publication number CN209384490U discloses a suspended ceiling structure and suspended ceiling, the suspended ceiling structure includes a suspension rod, a translational mounting structure and a decoration, the suspension rod is arranged along the vertical extension for being mounted to the wall top, the translational mounting structure includes a fixed mounting in the fixing piece of the suspension rod, around and around can be followed and about movably mounted in the mounting piece below the fixing piece and locate the fixing piece and the connecting piece between the mounting pieces, the decoration is fixedly mounted in the mounting piece.

This patent is the roof decorative structure who passes through in the real life, and decorate the subassembly hoist and mount at the roof through the jib with ceilings etc. but the roof position department in some corridors in the real life can be provided with a lot of pipelines, causes the very inconvenient condition of unable installation jib or jib installation on the roof.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a no hoisting point corridor system, through installing the ceiling on the wall of corridor both sides, make it have the advantage of convenient installation on the corridor to exist not enough to prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a no hoisting point corridor system, including two cross-sections for the channel-section steel of U-shaped, the channel-section steel includes first board, second board and third board rigid coupling respectively are in the both sides of first board, the second board is located the top of third board, two channel-section steels set up respectively on the wall of corridor both sides, equal altitude setting such as two channel-section steels, and two channel-section steels are all laid along the length direction in corridor, the opening of two channel-section steels is relative, two first boards are parallel with the wall of corridor both sides respectively, it is together fixed through wearing to establish a plurality of fixing bolt between first board and the wall, be provided with the ceiling of polylith rectangle between two channel-section steels, the both sides of ceiling are provided with first fixed plate and second fixed plate respectively, the both ends of first fixed plate are taken up respectively on two second boards, the both ends of second fixed plate are taken.

Through adopting above-mentioned technical scheme, when installation ceiling, expand to tie equal altitude with two channel-section steels through the nylon and fix on the wall in corridor, then overlap respectively the upper surface at two second boards with first fixed plate both ends, overlap respectively the upper surface at two second boards with second fixed plate both ends. Thus, a plurality of ceilings are sequentially arranged between two channel steels. By the installation, the ceiling can be smoothly installed under the condition that more pipelines are arranged at the top of the corridor.

The present invention may be further configured in a preferred embodiment as: the second board upper surface rigid coupling of channel-section steel has the cardboard, and the cardboard is laid along the length direction of second board, and the breach that uses with the second board cooperation is all seted up at the both ends of first fixed plate and the both ends of second fixed plate, and the upper wall rigid coupling of breach has the fixture block, and the cardboard is located between the lateral wall of fixture block and breach.

Through adopting above-mentioned technical scheme, the cooperation of fixture block and cardboard can carry on spacingly to the ceiling, avoids the both ends of ceiling to drop from the channel-section steel.

The present invention may be further configured in a preferred embodiment as: the mounting groove has all been seted up on the both sides wall on ceiling, the mounting groove is located the top on ceiling, the mounting groove extends to the upper surface and the both ends face on ceiling, first fixed plate and second fixed plate are installed respectively in two mounting grooves, the rigid coupling has first mounting panel on first fixed plate deviates from the second fixed plate lateral wall, the lateral wall parallel and level of first fixed plate place one side on the lateral wall that first mounting panel deviates from first fixed plate and the ceiling, be in the same place through wearing to establish countersunk head bolt fastening between the diapire of first mounting panel and mounting groove, the rigid coupling has the second mounting panel on the lateral wall that the second fixed plate deviates from first fixed plate, the lateral wall parallel and level of second fixed plate place one side on lateral wall that the second mounting panel deviates from the second fixed plate and the ceiling, be in the same place through wearing to establish.

Through adopting above-mentioned technical scheme, realized setting up like this and realized being connected dismantled between first fixed plate and second fixed plate and the ceiling, on the other hand when the installation ceiling, because with polylith ceiling concatenation together, set up like this and make the lateral wall between two adjacent ceilings can paste closely and then can the at utmost eliminate the gap between the ceiling.

The present invention may be further configured in a preferred embodiment as: and the third plate is provided with a bearing plate for supporting a ceiling.

Through adopting above-mentioned technical scheme, the bearing board can support the ceiling, and then makes the ceiling more stable.

The present invention may be further configured in a preferred embodiment as: and a connecting plate is fixedly connected between the bearing plate and the third plate on the same channel steel, the connecting plate is perpendicular to the third plate, the bearing plate is fixedly connected on the connecting plate, the bearing plate is parallel and level to the connecting plate, and two side walls facing the two first plates on the ceiling are respectively attached to the side walls facing the two connecting plates.

Through adopting above-mentioned technical scheme, when the ceiling pressed the bearing board downwards, the bearing board had one and used the junction of bearing board and connecting plate as the trend of axial rotation downwards, when the bearing board had the trend of rotation downwards, the junction of connecting plate and bearing board had one and used connecting plate and third board junction as the rotatory trend of axis orientation wall, because the terminal surface at ceiling both ends pastes with the lateral wall that two connecting plates faced each other respectively this moment, the ceiling can prevent the connecting plate rotatory, and then make the connecting plate can prevent the bearing board rotatory, just so can make the bearing board more stable to the support of ceiling.

The present invention may be further configured in a preferred embodiment as: the upper surface of ceiling is provided with many reinforcing plates, and through wearing to establish a plurality of fixing bolt fixed together between reinforcing plate and the ceiling, the both ends of reinforcing plate are connected with the lateral wall of first fixed plate and the mutual orientation of second fixed plate respectively.

Through adopting above-mentioned technical scheme, the polylith reinforcing plate links together first fixed plate and second fixed plate, makes to have the relation of connection between first fixed plate and the second fixed plate, also has the relation of connection between reinforcing plate and the ceiling simultaneously for the relation of connection between ceiling and first fixed plate and the second fixed plate is more, thereby more stable.

The present invention may be further configured in a preferred embodiment as: two equal rigid coupling has the steadying plate on the lateral wall that the first board was faced each other, and the steadying plate is laid along the length direction of first board, and the steadying plate is perpendicular with the lateral wall that the first board is kept away from the wall, and a plurality of mounting holes have been seted up to the upper surface of steadying plate, and the upper surface of first mounting panel is provided with the gusset plate, and is in the same place through wearing to establish fixing bolt between gusset plate and the first mounting panel, and the both ends of gusset plate are set up respectively on two steadying plates, and the gusset plate both ends are all worn to establish reinforcing bolt.

Through adopting above-mentioned technical scheme, when the installation ceiling, every installation accomplishes a ceiling, install the gusset plate on the first mounting panel on this ceiling, the both ends of gusset plate are set up respectively on two steadying plates this moment, pass the steadying plate with the reinforcing bolt and fix gusset plate and steadying plate together through revolving the nut soon at the reinforcing bolt, and then fixed the state of ceiling, prevent as far as that the ceiling from taking place along channel-section steel length direction's removal. Because the reinforcing plate is arranged on the first mounting plate, when a plurality of ceilings are arranged, the reinforcing plate is arranged on the first mounting plate after each ceiling is arranged, so that each reinforcing plate can be ensured not to be interfered by the installed ceiling when being installed.

The present invention may be further configured in a preferred embodiment as: the mounting holes are distributed along the length direction of the stabilizing plate.

Through adopting above-mentioned technical scheme, increased the length of mounting hole for the fixing plate also can guarantee when the position of difference that the reinforcing bolt can pass the mounting hole, and then makes the reinforcing plate more convenient in the installation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through set up the channel-section steel on corridor both sides wall, set up the ceiling between two channel-section steels, set up two first fixed plate and the second fixed plate that are used for setting up the ceiling on the channel-section steel on the ceiling, when installation ceiling, expand to tie high fixing on the wall in corridor with two channel-section steels through nylon, then take respectively the upper surface of establishing two second boards with first fixed plate both ends, take respectively the upper surface of establishing two second boards with second fixed plate both ends. Thus, a plurality of ceilings are sequentially arranged between two channel steels. By the installation, the ceiling can be smoothly installed under the condition that more pipelines are arranged at the top of the corridor;

2. notches are formed in the first fixing plate and the second fixing plate, a clamping block is fixedly connected to the upper wall of each notch, a clamping plate is arranged on the second plate, and the clamping block and the clamping plate are matched to limit the ceiling so as to prevent two ends of the ceiling from falling off from the channel steel;

3. through setting up the gusset plate on first mounting panel, set up the stabilising plate on the first board, set up the mounting hole on the stabilising plate, set up respectively on two stabilising plates at the both ends of gusset plate, wear to establish reinforcing bolt between gusset plate and the mounting hole for the ceiling can be fixed when the installation finishes, prevents that the ceiling from taking place to follow channel-section steel length direction's removal.

Drawings

FIG. 1 is a schematic diagram of the overall configuration of the suspended-ceiling-free corridor system of the present embodiment as installed in a corridor;

FIG. 2 is a schematic structural diagram of the suspended ceiling free corridor system of the present embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic view of the raised ceiling structure of the present embodiment;

FIG. 5 is a schematic view showing a mounting structure between the projected ceiling and the first and second fixing plates in the present embodiment;

fig. 6 is a partially enlarged view of a portion B in fig. 5;

fig. 7 is a partially enlarged view of a portion C in fig. 5.

In the figure, 1, wall; 2. channel steel; 21. a first plate; 22. a second plate; 221. clamping a plate; 23. a third plate; 3. a ceiling; 31. a first fixing plate; 311. a first mounting plate; 32. a second fixing plate; 321. a second mounting plate; 33. mounting grooves; 4. a notch; 41. a clamping block; 5. a connecting plate; 6. a support plate; 7. a reinforcing plate; 71. disassembling the plate; 8. a stabilizing plate; 81. mounting holes; 9. a reinforcing plate; 91. and reinforcing the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a corridor system without lifting points, which comprises two U-shaped channel steel 2. The channel steel 2 includes a first plate 21, a second plate 22, and a third plate 23, the second plate 22 and the third plate 23 are respectively fixed to both sides of the first plate 21, both the second plate 22 and the third plate 23 are perpendicular to the first plate 21, and the second plate 22 is located above the third plate 23 (see fig. 3). Two channel-section steels 2 set up respectively on the wall 1 of corridor both sides, and equal altitude setting such as two channel-section steels 2, and two channel-section steels 2 all lay along the length direction in corridor, and two channel-section steels 2's opening is relative. The two first plates 21 are parallel to the walls 1 on either side of the corridor. All be provided with a plurality of nylon expansion bolts on two first boards 21, a plurality of nylon expansion bolts on same first board 21 are along first board 21's length direction evenly distributed, and nylon expansion bolt wears to establish on the wall 1 in corridor behind passing first board 21, and then fixes channel-section steel 2 on wall 1. Be provided with the ceiling 3 of rectangle between two channel-section steels 2, be provided with first fixed plate 31 and second fixed plate 32 on the both sides wall of the length direction of ceiling 3 respectively, first fixed plate 31 and second fixed plate 32 are all laid along the length direction of ceiling 3, and first fixed plate 31 and second fixed plate 32 are parallel with the both sides wall of ceiling 3 respectively, and the breach 4 that the rectangle just used with the cooperation of second board 22 has all been seted up at the both ends of first fixed plate 31 and the both ends of second fixed plate 32.

When the ceiling 3 is installed, two channel steel 2 are fixed on the wall 1 of the corridor at the same height through nylon expansion bolts, then the notches 4 at the two ends of the first fixing plate 31 are respectively arranged on the upper surfaces of the two second plates 22, and the notches 4 at the two ends of the second fixing plate 32 are respectively arranged on the upper surfaces of the two second plates 22. In this way, a plurality of ceilings 3 are sequentially installed between two channel steels 2. By the installation, the ceiling 3 can be smoothly installed even when a large number of pipelines are arranged at the top of the corridor.

Referring to fig. 3, the upper surface of second plate 22 of channel-section steel 2 is fixed with cardboard 221, and cardboard 221 lays along the length direction of second plate 22, and cardboard 221 is L shape with second plate 22, and cardboard 221 is towards the lateral wall of ceiling 3 and the lateral wall parallel and level of second plate 22 towards ceiling 3, and the upper wall rigid coupling of breach 4 has fixture block 41, and fixture block 41 lays along the direction of height of fixed plate, and cardboard 221 is located between the lateral wall of fixture block 41 and breach 4. Through setting up like this, the cooperation of fixture block 41 and cardboard 221 can be spacing to ceiling 3, avoids the both ends of ceiling 3 to drop from channel-section steel 2.

Referring to fig. 4, two side walls of the ceiling 3 in the length direction are both provided with mounting grooves 33, the mounting grooves 33 are arranged along the length direction of the ceiling 3, the mounting grooves 33 are located at the top of the ceiling 3, and the mounting grooves 33 extend to the upper surface and two end surfaces of the ceiling 3.

Referring to fig. 5 and 6, the first fixing plate 31 and the second fixing plate 32 are respectively installed in the two installation grooves 33, the first fixing plate 31 is fixedly connected to the side wall of the second fixing plate 32, the first installation plate 311 is arranged along the length direction of the first fixing plate 31, the first installation plate 311 is L-shaped with the first fixing plate 31, the lower surface of the first installation plate 311 is flush with the lower surface of the first fixing plate 31, and the side wall of the first installation plate 311, which deviates from the first fixing plate 31, is flush with the side wall of the ceiling 3, on which the first fixing plate 31 is located. The first mounting plate 311 is fixed to the bottom wall of the mounting groove 33 by a countersunk bolt.

Referring to fig. 5 and 7, a second mounting plate 321 is fixedly connected to a side wall of the second fixing plate 32 away from the first fixing plate 31, and the second mounting plate 321 is arranged along a length direction of the second fixing plate 32. The lower surface of the second mounting plate 321 is flush with the lower surface of the second fixing plate 32, and the side wall of the second mounting plate 321 facing away from the second fixing plate 32 is flush with the side wall of the ceiling 3 on the side where the second fixing plate 32 is located. The second mounting plate 321 is fixed to the mounting groove 33 by a countersunk head bolt. Through setting up like this, realized that such setting realizes on the one hand first fixed plate 31 and second fixed plate 32 and the ceiling 3 between can dismantle and be connected, on the other hand when installing ceiling 3, because splice together polylith ceiling 3, set up like this and make the lateral wall between two adjacent ceilings 3 can paste closely and then can the biggest gap between the ceiling 3 of elimination.

Referring to fig. 3, one side that third board 23 deviates from first board 21 is provided with the bearing board 6 of rectangle, and bearing board 6 lays along the length direction of channel-section steel 2, and bearing board 6 level sets up, and on the bearing board 6 on two channel-section steels 2 was set up respectively at the both ends of ceiling 3, bearing board 6 can support ceiling 3, and then made the more stability of ceiling 3.

Be provided with rectangular connecting plate 5 between the bearing board 6 on the same channel-section steel 2 and the third board 23, connecting plate 5 is laid along channel-section steel 2's length direction, and connecting plate 5 is perpendicular with the lower surface of third board 23, and the upper surface of connecting plate 5 is in the same place with the lower surface rigid coupling of third board 23, and the lateral wall of two connecting plates 5 mutual orientation respectively with the lateral wall parallel and level of two mutual orientations of third board 23. The bearing plate 6 is fixedly connected to the side wall of the connecting plate 5, which is far away from the wall 1, and the lower surface of the bearing plate 6 is flush with the lower surface of the connecting plate 5. The end surfaces of the two ends of the ceiling 3 are respectively attached to the side walls of the two connecting plates 5 facing each other. Through setting up like this, when ceiling board 3 downwards presses bearing plate 6, bearing plate 6 has one and uses bearing plate 6 and the junction of connecting plate 5 to be the trend of axle rotation downwards, when bearing plate 6 has the trend of rotation downwards, connecting plate 5 and the junction of bearing plate 6 have one and use connecting plate 5 and third board 23 junction to be the trend of axis rotation towards wall 1, because the terminal surface at ceiling 3 both ends pastes with the lateral wall that two connecting plates 5 faced each other respectively this moment, ceiling 3 can prevent connecting plate 5 rotatory, and then make connecting plate 5 can prevent bearing plate 6 rotatory, just so can make bearing plate 6 more stable to the support of ceiling 3.

Referring to fig. 7, a plurality of reinforcing plates 7 are provided on the upper surface of the ceiling 3, the reinforcing plates 7 are arranged in the width direction of the ceiling 3, and the plurality of reinforcing plates 7 are uniformly arranged in the length direction of the ceiling 3. The reinforcing plate 7 is parallel to the upper surface of the ceiling 3, and both ends of the reinforcing plate 7 are connected to the side walls of the first fixing plate 31 and the second fixing plate 32 facing each other, respectively. The reinforcing plate 7 and the ceiling 3 are fixed together by a plurality of fixing bolts. The reinforcing plates 7 connect the first fixing plate 31 and the second fixing plate 32 together, so that a connection relationship exists between the first fixing plate 31 and the second fixing plate 32, and a connection relationship also exists between the reinforcing plates 7 and the ceiling 3, so that the connection relationship between the ceiling 3 and the first fixing plate 31 and the second fixing plate 32 is more, and the stability is higher.

The upper surface rigid coupling of reinforcing plate 7 has two dismouting boards 71, and dismouting board 71 and reinforcing plate 7's upper surface are perpendicular, and two dismouting boards 71 are located the both ends of reinforcing plate 7 respectively, and the lateral wall that two dismouting boards 71 deviate from each other is the terminal surface parallel and level with reinforcing plate 7 both ends respectively. Fixing bolts for fixing the two detachable plates 71 to the ceiling 3 are respectively inserted through the side walls of the two detachable plates 71 facing each other. Through the arrangement, the reinforcing plate 7 is detachably connected with the first fixing plate 31 and the second fixing plate 32, and the reinforcing plate 7 is convenient to mount and dismount.

Referring to fig. 3, stabilizing plates 8 are fixedly connected to the side walls of the two first plates 21 facing each other, the stabilizing plates 8 are arranged along the length direction of the first plates 21, and the stabilizing plates 8 are perpendicular to the side walls of the first plates 21 facing away from the wall 1. A plurality of mounting holes 81 are formed in the upper surface of the stabilizer plate 8, the plurality of mounting holes 81 are formed along the length direction of the stabilizer plate 8, and the plurality of mounting holes 81 in the same stabilizer plate 8 are uniformly distributed along the length direction of the stabilizer plate 8. The upper surface of the first mounting plate 311 is provided with a reinforcing plate 9, the reinforcing plate 9 is arranged along the length direction of the first mounting plate 311, and the reinforcing plate 9 and the first mounting plate 311 are fixed together by penetrating a fixing bolt. Two ends of the reinforcing plate 9 are respectively erected on the two stabilizing plates 8, and reinforcing bolts 91 are respectively penetrated through two ends of the reinforcing plate 9. When the ceiling 3 is installed, each time one ceiling 3 is installed, the reinforcing plate 9 is installed on the first installation plate 311 on the ceiling 3, at this time, both ends of the reinforcing plate 9 are respectively erected on the two stabilizing plates 8, the reinforcing bolt 91 penetrates through the stabilizing plates 8, the reinforcing plate 9 and the stabilizing plates 8 are fixed together by screwing nuts on the reinforcing bolt 91, and then the state of the ceiling 3 is fixed, so that the ceiling 3 is prevented from moving along the length direction of the channel steel 2 as much as possible. Meanwhile, since the mounting holes 81 are arranged along the length direction of the stabilizing plate 8, the length of the mounting holes 81 is increased, and a plurality of mounting holes 81 are formed in the same stabilizing plate 8, so that the reinforcing plate 9 can pass through the mounting holes 81 in more cases. Since the reinforcing plate 9 is installed on the first installation plate 311 after each ceiling 3 is installed when a plurality of ceilings 3 are installed only by installing the reinforcing plate 9 on the first installation plate 311, it is possible to ensure more convenience in installing each reinforcing plate 9.

The implementation principle of the embodiment is as follows: when the ceiling 3 is installed, two channel steel 2 are arranged on the walls 1 at the two sides of the corridor in equal height. In the mounting groove 33 with first fixed plate 31 and second fixed plate 32 mounting groove 33 ceiling 3 both sides subaerial, then install many reinforcing plates 7 between first fixed plate 31 and second fixed plate 32, lift ceiling 3, make the breach 4 at first fixed plate 31 both ends and the breach 4 at second fixed plate 32 both ends establish respectively on two blocks of cardboard 221 on channel-section steel 2, then install first mounting panel 311 with gusset plate 9, wear to establish reinforcing bolt 91 at gusset plate 9's both ends, make the state of ceiling 3 fixed, then install polylith ceiling 3 in proper order can.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A kind of non-lifting point corridor system, characterized by that: the channel steel comprises two U-shaped channel steel (2) with U-shaped sections, wherein the channel steel (2) comprises a first plate (21), a second plate (22) and a third plate (23), the second plate (22) and the third plate (23) are fixedly connected to two sides of the first plate (21) respectively, the second plate (22) is positioned above the third plate (23), the two channel steel (2) are arranged on walls (1) on two sides of a corridor respectively, the two channel steel (2) are arranged at equal heights, the two channel steel (2) are arranged along the length direction of the corridor, openings of the two channel steel (2) are opposite, the two first plates (21) are parallel to the walls (1) on two sides of the corridor respectively, the first plates (21) are fixed with the walls (1) through a plurality of fixing bolts, a plurality of rectangular ceilings (3) are arranged between the two channel steel (2), a first fixing plate (31) and a second fixing plate (32) are arranged on two sides of the ceilings (3) respectively, two ends of the first fixing plate (31) are respectively overlapped on the two second plates (22), and two ends of the second fixing plate (32) are respectively overlapped on the two second plates (22).

2. The drop free corridor system according to claim 1, wherein: the utility model provides a clamping apparatus for the channel-section steel, including channel-section steel (2), second board (22), cardboard (221), the length direction of second board (22) is laid along cardboard (221), breach (4) that cooperate the use with second board (22) are all seted up at the both ends of first fixed plate (31) and the both ends of second fixed plate (32), and the upper wall rigid coupling of breach (4) has fixture block (41), and cardboard (221) are located between the lateral wall of fixture block (41) and breach (4).

3. A drop point free corridor system as claimed in claim 2, wherein: mounting groove (33) have all been seted up on the both sides wall of ceiling (3), mounting groove (33) are located the top of ceiling (3), mounting groove (33) extend to the upper surface and the both ends face of ceiling (3), install respectively in two mounting grooves (33) first fixed plate (31) and second fixed plate (32), the rigid coupling has first mounting panel (311) on first fixed plate (31) deviates from second fixed plate (32) lateral wall, the lateral wall parallel and level of first fixed plate (31) place one side on first mounting panel (311) and ceiling (3) deviate from first mounting panel (311), be in the same place through wearing to establish countersunk head bolt fastening between the diapire of first mounting panel (311) and mounting groove (33), the rigid coupling has second mounting panel (321) on the lateral wall that second fixed plate (32) deviate from first fixed plate (31) second mounting panel (321), the lateral wall that second mounting panel (321) deviate from second fixed plate (32) and ceiling (3) on the lateral wall of second fixed plate (32) place one side The wall is parallel and level, and the second mounting plate (321) and the mounting groove (33) are fixed together through a penetrating countersunk head bolt.

4. The drop free corridor system according to claim 1, wherein: and a bearing plate (6) for supporting the ceiling (3) is arranged on the third plate (23).

5. The drop free corridor system according to claim 4, wherein: the same bearing plate (6) on the channel steel (2) is fixedly connected with a connecting plate (5) between the third plate (23), the connecting plate (5) is vertical to the third plate (23), the bearing plate (6) is fixedly connected on the connecting plate (5), the bearing plate (6) is parallel and level to the connecting plate (5), and two side walls facing to the two first plates (21) on the ceiling (3) are respectively attached to the side walls facing to the two connecting plates (5).

6. The drop free corridor system according to claim 1, wherein: the upper surface of ceiling (3) is provided with many reinforcing plates (7), and reinforcing plate (7) and ceiling (3) are together fixed through wearing to establish a plurality of fixing bolt, and the both ends of reinforcing plate (7) are connected with the lateral wall of first fixed plate (31) and second fixed plate (32) mutual orientation respectively.

7. A drop point free corridor system according to claim 3, wherein: two equal rigid coupling has stabilising plate (8) on the lateral wall of first board (21) each other orientation, and stabilising plate (8) are laid along the length direction of first board (21), and stabilising plate (8) and first board (21) deviate from the lateral wall of wall (1) perpendicular, and a plurality of mounting holes (81) have been seted up to the upper surface of stabilising plate (8), and the upper surface of first mounting panel (311) is provided with gusset plate (9), and together fixed through wearing to establish fixing bolt between gusset plate (9) and first mounting panel (311), the both ends of gusset plate (9) are taken respectively and are established on two stabilising plate (8), and reinforcing bolt (91) are all worn to establish at gusset plate (9) both ends.

8. The drop free corridor system according to claim 7, wherein: the mounting holes (81) are arranged along the length direction of the stabilizing plate (8).