CN113152885B

CN113152885B - Adjustable internal template structure for elevator shaft

Info

Publication number: CN113152885B
Application number: CN202110450666.7A
Authority: CN
Inventors: 孙健宁; 严夏; 蒋立顺
Original assignee: Nanjing Guozhong Construction Engineering Co ltd
Current assignee: Nanjing Guozhong Construction Engineering Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-06-21
Anticipated expiration: 2041-04-26
Also published as: CN113152885A

Abstract

The application relates to an adjustable internal template structure for an elevator shaft, which comprises a plurality of side plates, wherein the end walls of the two horizontal sides of the side plates are sequentially connected in an ending manner to form a surrounding plate, and a connecting assembly is arranged between the adjacent side plates; every the curb plate all includes at least two extension boards, and extension board in every curb plate is arranged along vertical direction, is located the top the extension board slides along vertical direction and sets up adjacent in the below on the lateral wall of extension board towards the bounding wall inboard, is provided with locating component between the adjacent extension board, the extension board is kept away from and is provided with on the lateral wall of bounding wall inboard and accomodates the groove, accomodate the inslot and be provided with the compensation gasbag, the compensation gasbag stretches out and accomodates the groove, every in the curb plate one side lateral wall concatenation that the bounding wall inboard was kept away from to the compensation gasbag forms continuous compensation face, be provided with on the curb plate and receive and release the gas subassembly. This application can conveniently put into the foundation ditch with the curb plate.

Description

Adjustable internal template structure for elevator shaft

Technical Field

The application relates to the field of elevator construction, in particular to an adjustable internal formwork structure for an elevator shaft.

Background

With the development of society, high-rise buildings are more and more, elevators are indispensable transport means in the high-rise buildings, and the elevators are mainly used for conveying people or goods in the vertical direction and are driven by power, so that the box body operated by the rigid guide rail runs along a fixed line. In elevator construction, however, an elevator shaft needs to be constructed.

Chinese patent publication No. CN211775748U discloses an adjustable internal template structure for an elevator shaft, which includes internal templates equal in number to the sides of the elevator shaft, all the internal templates surround a hollow three-dimensional structure with openings at the upper and lower ends, an adjusting mechanism is arranged inside the hollow three-dimensional structure, the adjusting mechanism is connected with the central position of the internal side of all the internal templates respectively, and when the adjusting mechanism is executed, the central position of the internal side of the internal template is folded towards the inside of the hollow three-dimensional structure or is unfolded towards the outside of the hollow three-dimensional structure.

With respect to the related art in the above, the inventors consider that: the template in the above patent has certain height, when wholly hoisting the template into the foundation ditch, need have sufficient height of hoisting, has increased the construction degree of difficulty and danger.

Disclosure of Invention

In order to facilitate the installation of the formwork, the application provides an adjustable internal formwork structure for an elevator shaft.

The application provides a pair of adjustable internal template structure for elevartor shaft adopts following technical scheme:

an adjustable internal template structure for an elevator shaft comprises a plurality of side plates, wherein the end walls of the horizontal two sides of the side plates are sequentially connected in an ending mode to form a surrounding plate, and a connecting assembly is arranged between every two adjacent side plates; every the curb plate all includes at least two extension boards, and extension board in every curb plate is arranged along vertical direction, is located the top the extension board slides along vertical direction and sets up adjacent in the below on the lateral wall of extension board towards the bounding wall inboard, is provided with locating component between the adjacent extension board, the extension board is kept away from and is provided with on the lateral wall of bounding wall inboard and accomodates the groove, accomodate the inslot and be provided with the compensation gasbag, the compensation gasbag stretches out and accomodates the groove, every in the curb plate one side lateral wall concatenation that the bounding wall inboard was kept away from to the compensation gasbag forms continuous compensation face, be provided with on the curb plate and receive and release the gas subassembly.

By adopting the technical scheme, the extension plates are initially folded together, and the overall height of the side plates is lower, so that the side plates are conveniently hung in a foundation pit; then, the extension plate can be unfolded in the vertical direction by pulling the extension plate in the vertical direction, then the positioning assembly is utilized to fix the extension plate, the integral height of the side plate can be adjusted, and meanwhile, the connecting assembly can connect the end parts of the side plates to form a surrounding plate; because the side walls of the side plates, which face the outer sides of the enclosing plates, are not on the same plane due to the expansion of the extension plates, the compensation air bags are arranged, and after the extension plates are expanded, the compensation air bags are inflated by the air inflation and deflation components, so that the compensation air bags extend out of the accommodating grooves after being inflated, namely, the side walls of the side plates, which are far away from the inner sides of the enclosing plates, can be spliced to form a continuous compensation surface, and slurry can be normally injected between the foundation pit and the enclosing plates; thereby this application will receive extension board together and hang into the foundation ditch, will extend the board again and expand, operate safelyr, convenient.

Optionally, the air collecting and releasing assembly comprises a first connecting pipe, a second connecting pipe and an inflation pipe, the first connecting pipe is installed in the top end of the extension plate, the second connecting pipe is arranged in the bottom end of the extension plate, one end of the first connecting pipe is communicated with the compensation air bag on the extension plate, the other end of the first connecting pipe extends out of the side wall of one side of the extension plate facing the inner side of the coaming, one end of the second connecting pipe is communicated with the compensation air bag on the extension plate, the other end of the second connecting pipe extends out of the side wall of the extension plate towards the outer side of the enclosing plate, the second connecting pipe positioned on the upper extension plate is relatively abutted with the first connecting pipe on the adjacent lower extension plate, the air charging pipe is arranged on at least one extension plate of each side plate, the air outlet end of the air charging pipe is communicated with the compensation air bag on the extension plate, and an air leakage prevention piece is arranged between every two adjacent extension plates.

By adopting the technical scheme, after the extension plates are unfolded, the first connecting pipe and the second connecting pipe corresponding to the adjacent extension plates are opposite, so that after the compensation air bags are inflated through the inflation pipes, under the ventilation action of the first connecting pipe and the second connecting pipe, air can be continuously filled in each compensation air bag on each side plate, and meanwhile, the arrangement of the air leakage release piece can reduce the air leakage of the butt joint end of the first connecting pipe and the second connecting pipe.

Optionally, leak protection gas spare is including sealed stifled ring and supporting tight spring, the lateral wall that the extension board was towards the bounding wall outside is provided with the feed ring groove, the feed ring groove is located the week side that the second was taken over, sealed stifled ring slides and sets up on the feed ring groove cell wall, support tight spring fixed connection and stretch into between the one end of feed ring groove and the feed ring groove cell wall at sealed stifled ring, the extension board is provided with the sealed annular on the lateral wall of bounding wall inboard, the sealed annular is located the week side of first takeover, is located the top sealed stifled ring on the extension board supports tightly in the sealed annular of the adjacent extension board in below.

By adopting the technical scheme, in the process of unfolding the extension plate, the sealing blocking ring is limited in the feed ring groove, the abutting spring is compressed, after the extension plate is provided with the unfolded position, the first connecting pipe is opposite to the second connecting pipe, the feed ring groove is opposite to the sealing ring groove, and under the elastic force action of the abutting spring, the sealing blocking ring abuts against the corresponding sealing ring groove, so that the peripheral sides of the abutting ends of the first connecting pipe and the second connecting pipe can be sealed.

Optionally, a stress groove is formed in the inner wall of the sealing blocking ring, one end, far away from the notch, of the stress groove faces the extension plate where the sealing ring groove is located, and the notch of the stress groove is opposite to the splicing seam of the two adjacent extension plates.

By adopting the technical scheme, once the butt joint end of the first connecting pipe and the second connecting pipe generates air leakage, the air can firstly enter the stress groove, and the air continuously applies force to the stress groove, so that the air is guided by the extension direction of the stress groove, the air can enable the sealing blocking ring to further abut against the groove wall of the sealing ring groove, and the sealing effect of the sealing abutting ring is improved.

Optionally, the first connecting pipe is detachably connected to the compensation airbag, and the second connecting pipe is detachably connected to the compensation airbag.

By adopting the technical scheme, the damaged compensation air bag is convenient to replace, and the compensation air bag is convenient to clean.

Optionally, an anti-sticking layer is arranged on the outer side wall of the compensation air bag.

Through adopting above-mentioned technical scheme, reduce the adhesion of thick liquids on the compensation gasbag to make things convenient for the separation of compensation gasbag and thick liquids, also convenient clearance to the compensation gasbag.

Optionally, it is provided with first commentaries on classics roller to accomodate the position rotation that the groove roof is close to the notch, it is provided with the second commentaries on classics roller to accomodate the position rotation that the groove diapire is close to the notch, first commentaries on classics roller and second commentaries on classics roller all with compensation gasbag lateral wall butt.

Through adopting above-mentioned technical scheme, receive and release the gas subassembly and discharge the back with gas, can receive the extension board together again, this in-process, if the compensation gasbag has partial lateral wall to be located and receives the groove outside, first commentaries on classics roller and second commentaries on classics roller and the lateral wall roll connection of compensation gasbag to can reduce the wearing and tearing of compensation gasbag.

Optionally, the locating component includes vaulting pole, layer board and brace piece, the bottom of extension board is provided with the groove that receive and releases that extends along vertical direction, the vaulting pole slides and sets up on receiving and releasing the groove cell wall, the vaulting pole is the laminating of circle pole and periphery wall and receiving and releasing the groove cell wall, the extension board bottom is provided with the groove of stepping down that extends along vertical direction, step down the groove and communicate with each other with receiving and releasing the groove, the layer board sets up in the lateral wall bottom of extension board towards the bounding wall inboard, is located the top on the extension board the vaulting pole bottom is adjacent with the below layer board upper surface butt on the extension board, the brace piece sets up on the vaulting pole, the brace piece is located receive and releases the groove outside and with the bottom butt of vaulting pole place extension board, the horizontal cross sectional shape of brace piece is the same with the horizontal cross-sectional shape in groove of stepping down.

Through adopting above-mentioned technical scheme, at the in-process that expandes the extension board, the vaulting pole slides in receiving and releasing the groove, and a piece slides in the groove of stepping down, removes to the expansion position back at the extension board, and the bottom of vaulting pole supports on the layer board of below, and a piece also roll-off groove of stepping down rotates the vaulting pole this moment for a piece and the groove dislocation of stepping down, can utilize the effect of a piece and layer board, and the restriction top extension board moves down, thereby fixes a position adjacent extension board.

Optionally, the bottom of vaulting pole rotates and is provided with first spin, the top of a piece rotates and is provided with the second spin, the extension board is provided with on the lateral wall towards the bounding wall inboard with receive and release the communicating turn trough in groove, threaded connection has the gag lever post on the turn trough cell wall, be provided with the spacing groove on the vaulting pole, the gag lever post stretches into the one end of receiving and releasing the groove and pegs graft with the spacing groove.

By adopting the technical scheme, the first rolling ball reduces the friction force between the bottom end of the support rod and the supporting plate, and the second rolling ball reduces the friction force between the support block and the extension plate, so that the support rod is convenient to rotate; meanwhile, the limiting rod is inserted between the limiting groove and the rotating groove, and can limit the support rod to rotate randomly, so that the support rod stably bears the space between the upper extending plate and the supporting plate.

It is optional, arbitrary the horizontal end wall of curb plate is close to the inboard lateral wall end department butt of bounding wall with the curb plate that is adjacent along same circumference, coupling assembling is including stereotype board and supplementary piece, the stereotype board has two, two stereotype end wall fixed connection and mutually perpendicular, one stereotype board and adjacent two one curb plate butt in the curb plate, another stereotype board and adjacent two another curb plate butt in the curb plate, be connected with fixing bolt between stereotype board and the curb plate that corresponds, supplementary piece sets up on the lateral wall of stereotype board towards the bounding wall outside, supplementary piece is pegged graft with the space between the adjacent curb plate.

By adopting the technical scheme, the adjacent side plates can be positioned together under the limiting action of the shaping plate; simultaneously because the connection that slides between the extension board of every curb plate forms the thickness difference along curb plate thickness direction, leads to except that two adjacent extension boards of highest department level can laminate, the below all has the space along the adjacent extension board of horizontal direction, consequently sets up the supplementary piece, can fill this space for later stage normal construction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the method and the device, the extension plates which are folded together are placed in the foundation pit and then unfolded, so that the operation difficulty and danger in the process of hoisting the side plates can be reduced;

2. the compensation air bag is arranged, so that after the extension plate is unfolded, the inflated compensation air bag forms a smooth compensation surface, and therefore slurry can be normally injected between the foundation pit and the enclosing plate to form the side wall of the foundation pit with a smooth side wall;

3. this application leak protection gas spare's setting can be taken over first takeover and second and be sealed up butt end week side for during gas enters into the compensation gasbag that corresponds steadily.

Drawings

Fig. 1 is a schematic structural diagram of a template structure in an embodiment of the present application.

Fig. 2 is an exploded view of a connecting member structure embodying the embodiments of the present application.

Fig. 3 is an exploded view of a positioning assembly embodying the structure of the embodiments of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is an enlarged view at C in fig. 3.

Fig. 7 is a top view of a template structure in an embodiment of the present application.

Fig. 8 is a sectional view taken along line D-D of fig. 7.

Fig. 9 is an enlarged view at E in fig. 8.

Fig. 10 is an enlarged view at F in fig. 8.

Fig. 11 is an enlarged view at G in fig. 8.

Fig. 12 is an enlarged view at H in fig. 8.

Description of reference numerals: 1. a side plate; 11. an extension plate; 111. a first plate; 112. a second plate; 113. a third plate; 114. a receiving groove; 115. a retraction slot; 116. a yielding groove; 117. rotating the groove; 118. a limiting rod; 119. a groove; 12. a first rotating roller; 13. a second rotating roller; 2. a connecting assembly; 21. shaping plates; 22. a supplementary block; 23. fixing the bolt; 3. enclosing plates; 4. a positioning assembly; 41. a stay bar; 411. a first ball; 412. a limiting groove; 42. a support plate; 43. supporting a block; 431. a second roller ball; 5. a compensation air bag; 51. a first air bag; 52. a second air bag; 53. an anti-sticking layer; 6. an air collecting and releasing component; 61. a first adapter tube; 62. a second adapter tube; 63. an inflation tube; 631. a control valve; 7. a gas leakage prevention piece; 71. sealing the plugging ring; 711. a stress groove; 72. the spring is tightly propped; 73. a feed ring groove; 74. sealing the ring groove; 8. a first mounting tube; 81. a first seal cartridge; 82. a first seal ring; 9. a second mounting tube; 91. a second seal cartridge; 92. and a second seal ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

The embodiment of the application discloses an adjustable internal template structure for an elevator shaft.

As shown in fig. 1 and 2, an adjustable internal formwork structure for an elevator shaft comprises a plurality of side plates 1, wherein the number of the side plates 1 is the same as that of the vertical side walls of the elevator shaft, four side plates 1 are arranged in the embodiment, and the end walls of two horizontal sides of each side plate 1 are sequentially connected in an ending mode through connecting assemblies 2, so that the four side plates 1 can form a square enclosing plate 3. Meanwhile, each side plate 1 includes at least two extension plates 11, in this embodiment, each side plate 1 includes three extension plates 11, the three extension plates 11 are a first plate 111, a second plate 112, and a third plate 113 in sequence, the first plate 111, the second plate 112, and the third plate 113 are arranged in sequence from bottom to top along the vertical direction, the second plate 112 slides along the vertical direction and is disposed on the side wall of the first plate 111 facing the inner side of the surrounding plate 3, and the third plate 113 slides along the vertical direction and is disposed on the side wall of the second plate 112 facing the inner side of the surrounding plate 3.

As shown in fig. 1 and 2, the positioning assemblies 4 are disposed between the first plate 111 and the second plate 112 and between the second plate 112 and the third plate 113, while the first plate 111, the second plate 112, and the third plate 113 are gradually shortened; in this embodiment, the side walls of the first plate 111, the second plate 112, and the third plate 113 away from the inner side of the enclosing plate 3 are all provided with an accommodating groove 114, the accommodating grooves 114 on the second plate 112 and the third plate 113 are provided with a compensation airbag 5, the compensation airbag 5 corresponding to the second plate 112 is a first airbag 51, the airbag corresponding to the third plate 113 is a second airbag 52, the first airbag 51 and the second airbag 52 are both non-elastic airbags, and the outer side walls of the first airbag 51 and the second airbag 52 are both coated with an anti-sticking layer 53. Each side plate 1 is provided with an air collecting and releasing assembly 6.

Initially, the first plate 111, the second plate 112 and the third plate 113 are overlapped together, and the top ends of the first plate 111, the second plate 112 and the third plate 113 are aligned, and the first air bag 51 and the second air bag 52 are not filled with air and are plugged in the corresponding receiving grooves 114; then hang the side plates 1 into the foundation pit, then fix the bottom end of the first plate 111 of each side plate 1 at the corresponding position of the foundation pit, then pull up the second plates 112 and the third plates 113, finally fix the second plates 112 and the third plates 113 by the positioning assembly 4, at this time, any third plate 113 abuts against the side wall of the adjacent third plate 113 facing the inner side of the enclosing plate 3 along the same horizontal circumference, gaps exist between the horizontally adjacent second plates 112 and between the horizontally adjacent first plates 111, at this time, the adjacent unfolded side plates 1 are connected together by the connecting assembly 2, and meanwhile, the connecting assembly 2 can close the gap between the horizontally adjacent second plates 112 and the gap between the horizontally adjacent first plates 111, so that the enclosing plate 3 can be formed. Finally, gas is injected into the first air bag 51 and the second air bag 52 by using the gas releasing and releasing assembly 6, so that the side walls of the first air bag 51 and the second air bag 52 far away from the inner side of the enclosing plate 3 form compensation surfaces, and the compensation surfaces are flush with the side walls of the first plate 111 facing the outer side of the enclosing plate 3 in the same side plate 1. And then injecting slurry between the foundation pit and the coaming 3, discharging gas in the first air bag 51 and the second air bag 52 by using the gas collecting and releasing assembly 6 after the slurry is solidified, relieving the limiting effect of the positioning assembly 4 and the connecting assembly 2, and then collecting the side plate 1.

As shown in fig. 1 and 2, the connecting assembly 2 includes two sizing plates 21 and two complementary blocks 22, the two sizing plates 21 are integrally connected to each other through horizontal end walls of the two sizing plates 21, the two sizing plates 21 are perpendicular to each other, and the complementary blocks 22 are connected to outer side walls of the sizing plates 21 through bolts. The sizing plate 21 corresponding to the third plate 113 is not provided with the supplemental block 22. Abutting the shaping plate 21 with the side walls of two horizontally adjacent third plates 113 facing the inner side of the enclosing plate 3, and then installing a fixing bolt 23 between the shaping plate 21 and the third plates 113; the fixing plates 21 corresponding to the first plates 111 and the second plates 112 are respectively provided with a supplementary block 22, the fixing plates 21 are abutted against the side walls of the two first plates 111 adjacent in the horizontal direction towards the inner side of the enclosing plate 3, so that the corresponding supplementary blocks 22 fill the gap between the two first plates 111 adjacent in the horizontal direction, and then fixing bolts 23 are arranged between the first plates 111 and the fixing plates 21; similarly, the shaping plate 21 is abutted against the inner side walls of the enclosing plates 3 of the two second plates 112 adjacent to each other in the horizontal direction, so that the corresponding supplementary blocks 22 fill the gap between the two second plates 112 adjacent to each other in the horizontal direction, and then the fixing bolts 23 are installed between the second plates 112 and the shaping plate 21.

As shown in fig. 3 and 4, the positioning assembly 4 includes a supporting rod 41, a supporting plate 42 and a supporting block 43, bottom ends of side walls of the first plate 111, the second plate 112 and the third plate 113 facing the inner side of the enclosing plate 3 are all connected with the supporting plate 42, and the supporting block 43 is a rectangular block and is integrally connected to the supporting rod 41.

As shown in fig. 4 and 5, the bottom ends of the first plate 111, the second plate 112 and the third plate 113 are all provided with a storage groove 115 extending along the vertical direction, the storage groove 115 is a circular groove, the support rod 41 is slidably arranged on the groove wall of the storage groove 115, the support rod 41 is a circular rod, the peripheral wall of the support rod is attached to the groove wall of the storage groove 115, and the support rod 41 is not inserted into the storage groove 115 of the first plate 111. Meanwhile, a rectangular abdicating groove 116 is formed in the vertical groove wall of the retraction groove 115, the bottom ends of the first plate 111, the second plate 112 and the third plate 113 are all penetrated through by the abdicating groove 116, and the horizontal cross-sectional shape of the support block 43 is the same as that of the abdicating groove 116. When each side plate 1 is folded together, the support rod 41 is positioned in the folding and unfolding groove 115, the support block 43 is positioned in the abdicating groove 116, when the second plate 112 and the third plate 113 are pulled upwards, the support rod 41 and the support block 43 slide downwards under the action of gravity, after the second plate 112 and the third plate 113 are unfolded to a specified position, the bottom end of the support rod 41 is abutted against the supporting plate 42 adjacent below, the support block 43 slides out of the abdicating groove 116, at the moment, the support rod 41 is rotated, so that the support block 43 is dislocated with the abdicating groove 116, and the second plate 112 and the third plate 113 can be positioned.

As shown in fig. 4 and 6, in order to facilitate the rotation of the stay 41, the bottom end of the stay 41 is rotatably provided with a first rolling ball 411, and the upper surface of the support block 43 is rotatably provided with a second rolling ball 431.

As shown in fig. 4 and 5, the side walls of the first plate 111, the second plate 112 and the third plate 113 facing the inside of the enclosing plate 3 are all provided with a rotary groove 117, the rotary groove 117 is communicated with the corresponding retraction groove 115, a limit rod 118 is connected to the wall of the rotary groove 117 through a thread, and a limit groove 412 is arranged on the stay rod 41; after the supporting block 43 is rotated to be dislocated with the receding groove 116, the limiting rod 118 is rotated, so that one end of the limiting rod 118 extending into the retracting groove 115 is inserted into the limiting groove 412, and the limiting support rod 41 can be freely rotated.

As shown in fig. 7 and 9, the air collecting and releasing assembly 6 in the present embodiment includes a first adapter 61 and a second adapter 62. Since the compensation air bag 5 is not installed on the first plate 111, the first connecting pipe 61 is installed in the top end of each of the second plate 112 and the third plate 113, and the first air bag 51 and the second air bag 52 are both communicated with one end of the corresponding first connecting pipe 61, meanwhile, the other end of the first connecting pipe 61 on the second plate 112 extends out of one side wall of the second plate 112 facing the inner side of the enclosing plate 3, the other end of the first connecting pipe 61 on the third plate 113 also extends out of one side wall of the third plate 113 facing the inner side of the enclosing plate 3, and meanwhile, in the embodiment, the first connecting pipe 61 on the third plate 113 is sealed.

As shown in fig. 8 and 9, the second adapter tube 62 is installed in the bottom ends of the second plate 112 and the third plate 113; and the first air bag 51 and the second air bag 52 are both communicated with one end of the corresponding second connecting pipe 62, the other end of the second connecting pipe 62 on the second plate 112 extends out of one side wall of the second plate 112 facing the outer side of the enclosing plate 3, the other end of the second connecting pipe 62 on the third plate 113 also extends out of one side wall of the third plate 113 facing the outer side of the enclosing plate 3, and the second connecting pipe 62 on the second plate 112 is sealed.

As shown in fig. 9 and 11, the air collecting and releasing assembly 6 further comprises an air filling tube 63, the air filling tube 63 is mounted on the second plate 112, and an air outlet end of the air filling tube 63 is communicated with the first air bag 51; the end of the second plate 112 facing the inner side wall of the enclosing plate 3 is provided with a groove 119, the air inlet end of the inflation tube 63 is positioned in the groove 119 and is provided with a control valve 631, and the second plate 112 and the third plate 113 are also provided with air leakage preventing pieces 7.

After each side plate 1 is unfolded, one end of the first connecting pipe 61 on the second plate 112 facing the inner side of the surrounding plate 3 is butted with one end of the second connecting pipe 62 on the third plate 113 facing the outer side of the surrounding plate 3, at this time, the gas leakage preventing member 7 can reduce gas leakage at the butted end of the first connecting pipe 61 and the second connecting pipe 62, then the control valve 631 is opened, the first air bag 51 is inflated through the inflation pipe 63, after the first air bag 51 is filled with gas, the gas enters the second air bag 52 through the first connecting pipe 61 and the second connecting pipe 62, the second air bag 52 can be inflated, and finally the control valve 631 is closed, so that the inflation is completed.

As shown in fig. 9, the air leakage preventing member 7 includes a sealing blocking ring 71 and a tightening spring 72, the side walls of the second plate 112 and the third plate 113 facing the outside of the shroud plate 3 are both provided with a feeding ring groove 73, the feeding ring groove 73 is located on the peripheral side of the second connecting pipe 62, the sealing blocking ring 71 is slidably arranged on the groove wall of the feeding ring groove 73 along the axial direction, the peripheral wall of the sealing blocking ring 71 is in sealing fit with the groove wall of the feeding ring groove 73, the tightening spring 72 is fixedly connected between one end of the sealing blocking ring 71 extending into the feeding ring groove 73 and the groove wall of the feeding ring groove 73, meanwhile, a stress groove 711 is arranged on the ring inner wall of the sealing blocking ring 71, and one end of the stress groove 711 away from the notch is arranged away from the tightening spring 72; the side walls of the second plate 112 and the third plate 113 facing the inside of the shroud plate 3 are provided with a sealing ring groove 74, and the sealing ring groove 74 is located on the circumferential side of the first adapter tube 61. When the side plates 1 are folded together, the sealing blocking ring 71 is positioned in the feeding ring groove 73, and the abutting spring 72 is in a compressed state; after the second plate 112 and the third plate 113 move to the expanded positions, the sealing ring groove 74 on the second plate 112 is opposite to the feeding ring groove 73 on the third plate 113, the socket of the stress groove 711 is opposite to the abutting joint of the second plate 112 and the third plate 113, the abutting spring 72 pushes the sealing plug ring 71 into the sealing ring groove 74, and the sealing plug ring 71 can form sealing on the peripheral sides of the abutted first connecting pipe 61 and second connecting pipe 62.

As shown in fig. 10 and 12, in the present embodiment, the first rotary roller 12 is rotatably disposed at a position where the top wall of the storage groove 114 is close to the notch, the second rotary roller 13 is rotatably disposed at a position where the bottom wall of the storage groove 114 is close to the notch, and both the first rotary roller 12 and the second rotary roller 13 abut against the outer side wall of the compensation airbag 5. Therefore, after the air releasing and releasing assembly 6 releases air to the first air bag 51 and the second air bag 52, in the process of releasing the side plates 1 together, the first rotating roller 12 and the second rotating roller 13 rotate, and damage to the first air bag 51 and the second air bag 52 can be reduced.

As shown in fig. 9 and 10, a position where the first air bag 51 is connected with the first connecting pipe 61 and a position where the second air bag 52 is connected with the first connecting pipe 61 are both connected with the first mounting pipe 8, a first sealing sleeve 81 is connected to the outer peripheral wall of the first mounting pipe 8 in a threaded manner, a first sealing ring 82 is arranged on the end wall of the first connecting pipe 61, and the first sealing sleeve 81 is connected with the first connecting pipe 61 in a threaded manner and is abutted against the first sealing ring 82; the position where the first air bag 51 is connected with the second connecting pipe 62 and the position where the second air bag 52 is connected with the second connecting pipe 62 are both connected with a second mounting pipe 9, a second sealing sleeve 91 is in threaded connection with the outer peripheral wall of the second mounting pipe 9, a second sealing ring 92 is arranged on the end wall of the second connecting pipe 62, and the second sealing sleeve 91 is in threaded connection with the second connecting pipe 62 and abuts against the second sealing ring 92. Therefore, when the first airbag 51 and the second airbag 52 are damaged, the first airbag 51 and the second airbag 52 can be replaced in time.

The implementation principle of the adjustable internal template structure for the elevator shaft is as follows: the folded side plates 1 are hung in a foundation pit, the bottom end of the first plate 111 of each side plate 1 is fixed at the corresponding position of the foundation pit, the second plate 112 and the third plate 113 are pulled upwards, the support rod 41 and the support block 43 slide downwards in the process, after the second plate 112 and the third plate 113 are unfolded to the specified positions, the bottom end of the support rod 41 is abutted to the support plate 42 adjacent to the lower side, the support block 43 slides out of the abdicating groove 116, the support rod 41 is rotated at the moment, the support block 43 is dislocated with the abdicating groove 116, then the limiting rod 118 is rotated, one end of the limiting rod 118 extending into the retraction groove 115 is inserted into the limiting groove 412, and the second plate 112 and the third plate 113 can be positioned.

Then, the shaping plates 21 are arranged between the horizontally adjacent first plates 111, the horizontally adjacent second plates 112 and the horizontally adjacent third plates 113 and are fixed by the fixing bolts 23 to form the enclosing plate 3, and the sealing plugging ring 71 is tightly pressed in the sealing ring groove 74.

The control valve 631 is opened, the first airbag 51 is inflated through the inflation tube 63, after the first airbag 51 is filled with gas, the gas enters the second airbag 52 through the first connecting tube 61 and the second connecting tube 62, the second airbag 52 can be inflated, and finally the control valve 631 is closed, so that the inflation is completed. And then, injecting slurry between the foundation pit and the coaming 3, discharging gas in the first air bag 51 and the second air bag 52 by using the gas collecting and releasing assembly 6 after the slurry is solidified, and collecting the side plate 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An adjustable internal formwork structure for an elevator shaft, comprising a plurality of side plates (1), characterized in that: the horizontal side end walls of the side plates (1) are sequentially connected in an end-to-end manner to form enclosing plates (3), and a connecting assembly (2) is arranged between every two adjacent side plates (1); each side plate (1) comprises at least two extension plates (11), the extension plates (11) in each side plate (1) are arranged along the vertical direction, the extension plates (11) positioned above are arranged on the side wall, facing the inner side of the surrounding plate (3), of the adjacent extension plates (11) below in a sliding manner along the vertical direction, a positioning assembly (4) is arranged between the adjacent extension plates (11), a containing groove (114) is formed in the side wall, far away from the inner side of the surrounding plate (3), of each extension plate (11), a compensation air bag (5) is arranged in each containing groove (114), the compensation air bags (5) extend out of the containing grooves (114), the side wall, far away from the inner side of the surrounding plate (3), of each compensation air bag (5) in each side plate (1) is spliced to form a continuous compensation surface, and an air containing assembly (6) is arranged on each side plate (1);

the air collecting and releasing assembly (6) comprises a first connecting pipe (61), a second connecting pipe (62) and an inflating pipe (63), the first connecting pipe (61) is installed in the top end of the extending plate (11), the second connecting pipe (62) is installed in the bottom end of the extending plate (11), one end of the first connecting pipe (61) is communicated with the compensation air bag (5) on the extending plate (11), and the other end of the first connecting pipe (61) extends out of the side wall, facing the inner side of the enclosing plate (3), of the extending plate (11); the one end of second takeover (62) is linked together with compensation gasbag (5) on extension board (11) at place, the other end of second takeover (62) stretches out extension board (11) and is located the top towards one side lateral wall in bounding wall (3) outside second takeover (62) on extension board (11) and below adjacent the relative butt of first takeover (61) on extension board (11), gas tube (63) set up on extension board (11) of at least one in every curb plate (1), the end of giving vent to anger of gas tube (63) communicates with each other with compensation gasbag (5) on extension board (11) at place, and is adjacent be provided with leak protection gas spare (7) between extension board (11).

2. An adjustable internal formwork structure for an elevator hoistway as defined in claim 1, wherein: leak protection gas spare (7) are including sealed stifled ring (71) and support tight spring (72), extension board (11) are provided with feed ring groove (73) towards the lateral wall in bounding wall (3) outside, feed ring groove (73) are located the week side of second takeover (62), sealed stifled ring (71) slide and set up on feed ring groove (73) cell wall, support tight spring (72) fixed connection and stretch into between the one end of feed ring groove (73) and feed ring groove (73) cell wall at sealed stifled ring (71), extension board (11) are provided with sealed ring groove (74) on the lateral wall of bounding wall (3) inboard, sealed ring groove (74) are located the week side of first takeover (61), are located the top sealed stifled ring (71) on extension board (11) support tightly in the sealed ring groove (74) of the adjacent extension board (11) in below.

3. An adjustable internal formwork structure for an elevator hoistway as defined in claim 2, wherein: be provided with atress groove (711) on the ring inner wall of sealed stifled ring (71), one end that atress groove (711) kept away from the notch is towards seal ring groove (74) place extension board (11), atress groove (711) notch is relative with the splice seam of two adjacent extension boards (11).

4. An adjustable internal formwork structure for an elevator hoistway as defined in claim 1, wherein: the first connecting pipe (61) is detachably connected with the compensation air bag (5), and the second connecting pipe (62) is detachably connected with the compensation air bag (5).

5. An adjustable internal formwork structure for an elevator hoistway as defined in claim 1, wherein: and an anti-sticking layer (53) is arranged on the outer side wall of the compensation air bag (5).

6. An adjustable internal formwork structure for an elevator hoistway as defined in claim 1, wherein: it is provided with first commentaries on classics roller (12) to accomodate the position rotation that groove (114) roof is close to the notch, it is provided with second commentaries on classics roller (13) to accomodate the position rotation that groove (114) diapire is close to the notch, first commentaries on classics roller (12) and second commentaries on classics roller (13) all with compensation gasbag (5) lateral wall butt.

7. The adjustable internal formwork structure for an elevator shaft according to claim 1, wherein: the positioning assembly (4) comprises a supporting rod (41), a supporting plate (42) and a supporting block (43), a retracting groove (115) extending along the vertical direction is formed in the bottom end of the extension plate (11), the supporting rod (41) is arranged on the groove wall of the retracting groove (115) in a sliding mode, the supporting rod (41) is a round rod, the outer peripheral wall of the supporting rod is attached to the groove wall of the retracting groove (115), an abdicating groove (116) extending along the vertical direction is formed in the bottom end of the extension plate (11), the abdicating groove (116) is communicated with the retracting groove (115), the supporting plate (42) is arranged at the bottom end of the side wall, facing the inner side of the surrounding plate (3), of the extending plate (11), the bottom end of the supporting rod (41) above the extending plate (11) is abutted to the upper surface of the supporting plate (42) below the adjacent extending plate (11), the supporting block (43) is arranged on the supporting rod (41), the supporting block (43) is arranged on the outer side of the retracting groove (115) and is abutted to the bottom end of the extending plate (11) where the supporting block (41) is located, the horizontal cross section shape of the support block (43) is the same as that of the abdicating groove (116).

8. An adjustable internal formwork structure for an elevator hoistway as defined in claim 7, wherein: the bottom of vaulting pole (41) is rotated and is provided with first spin (411), the top of prop piece (43) is rotated and is provided with second spin (431), extension board (11) are provided with on the lateral wall towards bounding wall (3) inboard and receive and release communicating turn trough (117) in groove (115), threaded connection has gag lever post (118) on turn trough (117) cell wall, be provided with spacing groove (412) on vaulting pole (41), gag lever post (118) stretch into receive and release the one end in groove (115) and peg graft with spacing groove (412).

9. An adjustable internal formwork structure for an elevator hoistway as defined in claim 1, wherein: the horizontal end wall of any side plate (1) is abutted against the end of the side wall of the side plate (1) adjacent along the same circumferential direction, which is close to the inner side of the coaming (3), the connecting component (2) comprises a shaping plate (21) and a supplementary block (22), the shaping plate (21) has two, two end wall fixed connection and mutually perpendicular of the shaping plate (21), one shaping plate (21) and two adjacent side plates (1) butt in the side plates (1), the other shaping plate (21) and two adjacent side plates (1) butt in the side plates (1), a fixing bolt (23) is connected between the shaping plate (21) and the corresponding side plate (1), the supplementary blocks (22) are arranged on the side wall of the shaping plate (21) facing the outer side of the coaming (3), the supplement block (22) is inserted into a gap between the adjacent side plates (1).