CN113833305B

CN113833305B - Outer wall elevator shaft and elevator shaft installation method

Info

Publication number: CN113833305B
Application number: CN202111221539.6A
Authority: CN
Inventors: 马晨光; 吴志超; 马骏帅; 张宏宇
Original assignee: Cscec Shenzhou Beijing Construction Engineering Co ltd
Current assignee: Zhongneng Anjian (Beijing) Construction Co.,Ltd.
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2023-02-07
Anticipated expiration: 2041-10-20
Also published as: CN113833305A

Abstract

The application relates to an outer wall elevator shaft, which relates to the mounting technology of outer wall elevators and comprises a plurality of splicing modules which are sequentially arranged along the vertical direction; the assembly module comprises a prefabricated part and a track; an elevator well region and a waiting elevator hall region are arranged in the prefabricated part; the prefabricated member is provided with an inlet and an outlet which are communicated with the elevator waiting hall area; the prefabricated member is vertically provided with a mounting piece matched with the rail; the track is fixed to the building outer wall through a plurality of expansion bolts, and the mounting piece is connected with the track in a sliding mode; the preform can only move in the vertical direction under the constraint of the mount and the rail. This application has the advantage that improves outer wall elevartor shaft installation effectiveness.

Description

Outer wall elevator shaft and elevator shaft installation method

Technical Field

The application relates to an outer wall elevator installation technology, in particular to an outer wall elevator shaft and an elevator shaft installation method.

Background

Along with the development of society, more and more old districts appear in the city, and the building of these old districts does not generally have supporting elevator, in order to promote the resident's in these old districts experience of living, more and more old district elevator transformation is promoted by schedule, in the elevator transformation of old district, generally install the elevator that leads to each floor on the outer wall of building.

Referring to fig. 1, for the outer wall elevator among the related art, the elevator well includes a plurality of prefab 1, and prefab 1 is concreting integrated into one piece in the template, is provided with the steel reinforcement cage in the prefab 1 in order to be used for increasing prefab 1's overall structure intensity.

Referring to fig. 2, an elevator well area 12 and a waiting elevator hall area 13 are arranged in the prefabricated member 1, and an entrance 14 communicated with the waiting elevator hall area 13 is formed in one side of the prefabricated member 1.

In the process of elevator shaft installation, at first set gradually a plurality of exits and entrances along the direction of building 8's height on building 8's the outer wall face, a plurality of exits and entrances respectively with building 8's multilayer one-to-one. Then a plurality of prefabricated members 1 are sequentially installed from bottom to top, so that the plurality of prefabricated members 1 are stacked together to form a complete elevator shaft, the plurality of prefabricated members 1 correspond to multiple floors of the building 8 one by one, and an inlet and an outlet 14 of each prefabricated member 1 are communicated with an inlet and an outlet on the building 8. The prefabricated member 1 is provided with a plurality of fixed lug plates 16 on the face towards the building 8, and the fixed lug plates 16 are welded and fixed with the steel keels 11 in the prefabricated member 1. The fixing lug plate 16 and the wall body of the building 8 are fixed through expansion bolts. The worker then performs a sealing process between two adjacent prefabricated members 1 and between the prefabricated members 1 and the building 8.

In view of the installation manner of the elevator shaft of the related art, the inventor finds that in the process of sequentially stacking a plurality of prefabricated members 1 from bottom to top to form the elevator shaft, the plurality of prefabricated members 1 need to be ensured to be aligned with each other, so that in the process of installing the prefabricated members 1, the positions of the prefabricated members 1 need to be continuously adjusted, and the process is time-consuming and labor-consuming.

Disclosure of Invention

In order to improve among the prior art elevator shaft and need constantly carry out the problem that the installation that leads to the prefab is comparatively wasted time and energy to the prefab position correction at the in-process of installation, this application provides an outer wall elevator shaft and elevator shaft mounting method.

One of the purpose of this application is the outer wall elevartor shaft that provides, adopts following technical scheme:

an outer wall elevator shaft comprises a plurality of splicing modules which are sequentially arranged along the vertical direction;

the assembly module comprises a prefabricated part and a track;

an elevator well region and a waiting elevator hall region are arranged in the prefabricated part; the prefabricated member is provided with an inlet and an outlet which are communicated with the elevator waiting hall area; the prefabricated member is vertically provided with an installation part matched with the rail;

the track is fixed to the building outer wall through a plurality of expansion bolts, and the mounting piece is connected with the track in a sliding mode; the preform can only move in the vertical direction, limited by the mount and the rail.

Through adopting above-mentioned technical scheme, at the in-process of assembling the module installation, installed part and orbital cooperation can make the prefab only can follow vertical direction motion, can play the guide effect to the prefab at the in-process of prefab installation on the one hand, can carry on spacingly to the prefab after the prefab installation finishes in addition. This makes the installation of the preform easier.

Optionally, the upper surface and the lower surface of the prefabricated part are both provided with a plurality of positioning holes; a plurality of positioning holes at the bottom of the prefabricated member positioned at a higher position in two adjacent prefabricated members and a plurality of positioning holes at the top of the prefabricated member positioned at a lower position are in one-to-one correspondence to form a plurality of positioning hole groups;

and a plurality of rod-shaped positioning pieces are arranged between two adjacent prefabricated members, the positioning pieces correspond to the positioning hole groups one to one, and two ends of each positioning piece are respectively inserted into two positioning holes in each positioning hole group.

Through adopting above-mentioned technical scheme, the setting of setting element can avoid the prefab to appear the dislocation after having born the effort of horizontal direction as far as.

Optionally, the positioning element and the prefabricated member are fixed by structural adhesive.

Through adopting above-mentioned technical scheme, be in the same place two adjacent setting elements are fixed, make two adjacent prefabs more inseparable that connect to it is more convenient after the installation to make the elevartor shaft finish.

Optionally, a glue storage cavity is arranged in the positioning element, structural glue is filled in the glue storage cavity, glue outlets are arranged at two ends of the positioning element, and a sealing plate for sealing the glue outlets is arranged at the glue outlets;

the bottom wall in the positioning hole is fixedly connected with a bulge, after two adjacent prefabricated members are stacked together, the bulges at the two ends of the positioning piece respectively extrude the closed plates at the two ends of the positioning piece to break, so that the structural adhesive in the positioning piece is discharged to a gap between the positioning hole and the positioning piece, and the positioning piece and the prefabricated members are adhered together.

By adopting the technical scheme, the structural adhesive does not need to be coated in the positioning hole before the positioning piece is arranged in the positioning hole in the elevator shaft assembling process, so that the problem that the structural adhesive in the positioning hole group overflows in the splicing process of the two prefabricated parts due to the fact that the using amount of the structural adhesive is not constant is avoided as much as possible; on the other hand, the process of smearing structural adhesive into the positioning hole is omitted in the process of installing the positioning piece, so that the installation process is simplified, and human resources are saved.

Optionally, after the sealing plate is crushed by the protrusions and extends into the glue outlet holes, the diameters of the protrusions are smaller than the diameters of the glue outlet holes.

By adopting the technical scheme, after the sealing plate is broken by the protrusions, the structural adhesive in the adhesive storage cavity is easier to discharge from the adhesive storage cavity.

Optionally, a connecting piece is fixedly connected in the glue outlet hole; a glue outlet gap is formed between the connecting piece and the glue outlet hole;

the protruding crushing is carried out on the sealing plate, the sealing plate extends into the glue outlet hole and then is abutted against the connecting piece, and a flow gap convenient for structure glue to flow is arranged between the bottom wall of the positioning hole and the positioning piece

Through adopting above-mentioned technical scheme for store up the structure in the gluey intracavity and glue the hole and discharge more easily through going out.

Optionally, a connecting groove is formed in the positioning hole.

By adopting the technical scheme, the contact area between the structural adhesive and the inner wall of the positioning hole is increased, so that the structural adhesive has a better fixing effect on the positioning piece and the prefabricated piece.

Optionally, the connecting slot communicates with the flow gap.

Through adopting above-mentioned technical scheme, make the structure glue enter into the spread groove more easily.

Optionally, two groups of pushing members are arranged in the glue storage cavity, and the two groups of pushing members respectively correspond to the two glue outlet holes one by one;

the pushing piece comprises an elastic piece and a pushing plate;

the push plate is attached to and connected with the inner wall of the glue storage cavity in a sliding mode, and the elastic piece is fixedly connected between the push plate and the inner wall of the glue storage cavity;

the structural adhesive in the adhesive storage cavity is divided into two sections, the two sections of structural adhesive are respectively in one-to-one correspondence with the two push plates, and the structural adhesive is positioned between the push plates and the adhesive outlet;

when the sealing plate is in a complete state, the elastic piece generates a force for driving the push plate to push the structural adhesive to move towards the adhesive outlet;

after the sealing plate is damaged, the stored force on the elastic piece is released, and the elastic piece pushes the structural adhesive out of the adhesive storage cavity through the push plate.

By adopting the technical scheme, the structural adhesive in the adhesive storage cavity is easier to discharge due to the existence of the pushing piece.

The invention also provides an elevator shaft mounting method, which comprises the following steps:

s1, fixedly mounting a track in an assembly module to the outer wall surface of a building;

s2, hoisting the prefabricated parts in the assembly modules, aligning the installation parts of the prefabricated parts with the rails, and gradually reducing the height of the prefabricated parts;

s3, fixing the tracks in the next assembly module to the outer wall of the building;

s4, placing a positioning piece in a positioning hole on the upper surface of the installed prefabricated part;

s5, hoisting the prefabricated member and erecting the prefabricated member on the prefabricated member below in the mode in the step S2;

and S6, repeating the steps S3-S5, and stacking a plurality of groups of assembly modules together.

Through adopting above-mentioned technical scheme, the in-process track of installing at the prefab can carry on spacingly to the orbit of prefab, makes the installation of prefab more convenient, and the back track that finishes is installed to the prefab simultaneously can also carry on spacingly to the prefab.

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

1. the track is arranged, and the mounting part is arranged on the prefabricated part, so that the track can limit the running track of the prefabricated part in the mounting process of the prefabricated part, the prefabricated part can be mounted more conveniently, and meanwhile, the track can limit the prefabricated part after the prefabricated part is mounted;

2. the positioning piece is arranged between the two adjacent prefabricated parts, so that the connection between the two adjacent prefabricated parts can be more stable;

3. the glue storage cavity is arranged in the positioning piece, the glue outlet holes are formed in the two ends of the positioning piece, and the two groups of pushing pieces are arranged in the glue storage cavity, so that the structural glue is not required to be coated into the positioning holes before the positioning piece is arranged into the positioning holes in the elevator shaft assembling process, and the problem that the structural glue in the positioning hole group overflows in the splicing process of two prefabricated pieces due to the fact that the consumption of the structural glue is not constant is avoided as much as possible; on the other hand, the process of smearing structural adhesive into the positioning hole is omitted in the process of installing the positioning piece, and the installation process is simplified, so that human resources are saved.

Drawings

Fig. 1 is a schematic view of an installation structure of an elevator shaft in a building in the related art.

Fig. 2 is a schematic view of the outer structure of a preform in the related art.

Fig. 3 is a schematic structural view of the outer shape of the elevator shaft in the embodiment of the present application.

Fig. 4 is a schematic view showing a connection structure between the preform and the rail in the embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

FIG. 6 is a schematic view showing a connection structure between two adjacent preforms in the example of the present application.

FIG. 7 is a schematic view showing the installation structure of the protruded installation member between two adjacent prefabricated members in the embodiment of the present application.

Fig. 8 is a partially enlarged schematic view of a portion B in fig. 7.

FIG. 9 is a cross-sectional view of a spacer in an embodiment of the present application.

Fig. 10 is a partially enlarged schematic view of a portion C in fig. 9.

Fig. 11 is a schematic structural diagram of an external shape of a positioning element in an embodiment of the present application.

Description of reference numerals: 1. a prefabricated member; 11. a steel keel; 12. an elevator well region; 13. a waiting hall area; 14. an inlet and an outlet; 15. a housing; 151. positioning holes; 1511. connecting grooves; 152. a protrusion; 16. fixing the ear plate; 2. a track; 21. i-shaped steel; 3. a mounting member; 31. channel steel; 4. a positioning member; 41. a glue storage cavity; 42. glue outlet holes; 421. a glue outlet gap; 43. a closing plate; 44. a connecting member; 441. a connecting rod; 442. a connecting plate; 5. a flow gap; 6. a pusher member; 61. pushing the plate; 62. an elastic member; 7. a supporting seat; 8. building; 81. and (4) an entrance.

Detailed Description

The present application is described in further detail below with reference to figures 3-11.

The embodiment of the application discloses an outer wall elevator shaft. Referring to fig. 3, the elevator shaft includes a plurality of assembly modules, which are sequentially disposed in a vertical direction. In particular, the building block comprises a preform 1 and a rail 2.

Referring to fig. 4, the prefabricated member 1 is integrally cast by concrete, and a steel keel 11 is arranged in the prefabricated member 1, and the steel keel 11 is used for increasing the overall structural strength of the prefabricated member 1.

Be provided with elevator well area 12 and marquis terraced room district 13 in the prefab 1, elevator well area 12 and marquis terraced room district 13 intercommunication, the exit 14 with marquis terraced room district 13 intercommunication is seted up to one side of prefab 1.

Referring to fig. 5, the side of the preform 1 on which the exit opening 14 is located is fitted with a mounting member 3 for use with the rail 2.

The track 2 comprises two vertically arranged i-beams 21, and the i-beams 21 are fixed to the outer wall surface of the building 8 through a plurality of expansion bolts. The mounting part 3 comprises two channel steel 31 matched with the I-shaped steel 21, the channel steel 31 is fixedly connected with the steel keel 11 in the prefabricated part 1, and the two channel steel 31 are respectively positioned on two sides of the inlet and outlet 14.

A plurality of elevator well areas 12 in a plurality of prefab 1 communicate each other and form the elevartor shaft that is used for installing the elevator, and a plurality of entrances and exits 14 on a plurality of prefab 1 communicate with the access & exit one-to-one on the outer wall surface of building 8 respectively simultaneously.

In the in-process of carrying out the elevartor shaft installation, at first will assemble two I-steel 21 of track 2 in the module and pass through expansion bolts along vertical direction and fix to 8 outer wall surfaces of building, later through hoisting equipment hoist and mount prefab 1, make two channel-section steels 31 of installed part 3 align with two I-steel 21 respectively on the prefab 1, later make the slow decline of prefab 1, put things in good order a plurality of modules of assembling together according to above-mentioned mode, communicate between the elevator well district 12 of a plurality of prefabs 1 and become a vertical elevartor shaft that is used for installing the elevator. And then, sealing the joints between two adjacent assembly modules or the assembly modules and the building 8 by structural glue, sealant and the like. Like this at the in-process of 1 installation of prefab, track 2 can lead prefab 1, in addition 1 installation of prefab finish the back, track 2 still can be spacing to 1 formation of prefab, make the more convenience of installation of elevartor shaft like this.

Referring to fig. 6, further, the preform 1 is provided with a plurality of positioning holes 151 on both the upper surface and the lower surface.

Referring to fig. 7, in the present embodiment, the positioning hole 151 is formed by integrally casting the shell 15 with one end open into concrete, and the shell 15 is fixedly connected to the steel joist 11.

In two adjacent preforms 1, a plurality of positioning holes 151 on the lower surface of the preform 1 at a high position and a plurality of positioning holes 151 on the upper surface of the preform 1 at a low position form a plurality of groups of positioning holes 151.

Referring to fig. 8, a positioning member 4 is disposed in the positioning hole 151, the positioning member 4 is a rod-shaped structure adapted to the positioning hole 151, and two ends of the positioning member 4 are respectively inserted into the upper and lower positioning holes 151.

The setting of setting element 4 can make between two adjacent prefab 1 more stable, avoids as far as possible when the prefab 1 receives the power of horizontal direction, produces the dislocation between two adjacent prefab 1.

Furthermore, the positioning piece 4 and the prefabricated member 1 are fixed through structural adhesive, so that the positioning piece 4 tightly fixes the two adjacent prefabricated members 1 together, and the connection between the two adjacent prefabricated members 1 is more stable.

Referring to fig. 9, a glue storage cavity 41 is provided in the positioning member 4, and glue outlet holes 42 communicated with the glue storage cavity 41 are provided at end surfaces of two ends of the positioning member 4.

Referring to fig. 10, a sealing plate 43 for sealing the glue outlet 42 is disposed in the glue outlet 42, and the sealing plate 43 may be a glass plate in this embodiment.

Referring to fig. 8, a protrusion 152 is integrally formed on the bottom wall of the corresponding positioning hole 151. After two adjacent prefabricated members 1 are assembled together, the two protrusions 152 in the same positioning hole 151 group respectively crush the closing plates 43 at the two ends of the positioning member 4, so that the structural adhesive in the positioning member 4 is discharged to the gap between the positioning member 4 and the prefabricated members 1, and the positioning member 4 and the prefabricated members 1 are fixed together.

Therefore, in the process of assembling the elevator shaft, the structural adhesive does not need to be coated into the positioning hole 151 before the positioning piece 4 is arranged into the positioning hole 151, and on one hand, the problem that the structural adhesive in the positioning hole 151 group overflows in the process of splicing the two prefabricated parts 1 due to the fact that the using amount of the structural adhesive is not constant is avoided as much as possible; on the other hand, in the process of installing the positioning element 4, the process of coating structural adhesive in the positioning hole 151 is omitted, the installation process is simplified, and human resources are saved.

Referring to fig. 8, the protrusions 152 in the positioning holes 151 are provided as a rod-like structure arranged in the axial direction of the positioning holes 151 in the present embodiment, and the diameter of the protrusions 152 is smaller than that of the positioning holes 151.

After the sealing plate 43 is broken by the protrusion 152 and extends into the glue outlet 42, a large gap exists between the protrusion 152 and the inner wall of the glue outlet 42, which is more beneficial to discharging the structural glue in the glue storage cavity 41.

Referring to fig. 11, a connecting member 44 is disposed in the glue outlet hole 42, the connecting member 44 includes a circular connecting plate 442 and a plurality of connecting rods 441, the connecting plate 442 is coaxially disposed in the glue outlet hole 42, the diameter of the connecting plate 442 is smaller than that of the glue outlet hole 42, and a glue outlet gap 421 exists between the connecting plate 442 and the inner wall of the glue outlet hole 42.

The connecting rods 441 are coplanar with the connecting plate 442, and the connecting rods 441 are uniformly fixed on the outer circumferential surface of the connecting plate 442 around the axis of the connecting plate 442. One end of the connecting rod 441 far away from the connecting plate 442 is fixedly connected to the inner wall of the glue outlet hole 42.

Referring to fig. 8, the protrusion 152 in the positioning hole 151 breaks through the closing plate 43 and extends into the glue outlet 42 to abut against the connecting plate 442, and at this time, a flow gap 5 exists between the positioning rod and the bottom wall of the positioning hole 151, which is more favorable for discharging the structural glue in the glue storage cavity 41.

Annular connecting groove 1511 is formed in the inner wall of the positioning hole 151, and the connecting groove 1511 is arranged to increase the contact area between the structural adhesive and the inner wall of the positioning hole 151, so that the positioning element 4 and the prefabricated element 1 are more stable when fixed together through the structural adhesive.

In addition, the connection groove 1511 extends to the bottom wall of the positioning hole 151, and the connection groove 1511 is communicated with the flow gap 5, so that the structural adhesive in the adhesive storage chamber 41 can enter the connection groove 1511 more easily.

Referring to fig. 9, two sets of pushing members 6 are disposed in the glue storage cavity 41, and the two sets of pushing members 6 respectively correspond to the two glue outlet holes 42 one to one. The two groups of pushing pieces 6 are arranged to promote the structural adhesive in the adhesive storage cavity 41 to be discharged out of the adhesive storage cavity 41 through the adhesive outlet 42.

The middle part of the glue storage cavity 41 is fixedly connected with a supporting seat 7, and the two groups of pushing pieces 6 are respectively positioned at the two sides of the supporting seat 7.

Specifically, the pushing member 6 includes a pushing plate 61 and an elastic member 62, the pushing plate 61 and the glue storage cavity 41 are coaxially arranged, and the outer peripheral surface of the pushing plate 61 is attached to the inner wall of the glue storage cavity 41 and connected in a sliding manner. The elastic member 62 is a spring in this embodiment, and two ends of the elastic member 62 are respectively fixed to the push plate 61 and the support base 7.

The structural adhesive in the adhesive storage cavity 41 is divided into two sections, the two sections of structural adhesive are respectively in one-to-one correspondence with the two push plates 61, and the structural adhesive is located in the area between the push plates 61 and the adhesive outlet 42.

In the state that the closing plate 43 on the positioning member 4 is not crushed, the elastic member 62 is in a state of contracting power accumulation. When the closing plate 43 is broken by the protrusion 152, the stored force on the elastic member 62 is released, and the elastic member 62 pushes the structural adhesive to be discharged from the adhesive outlet 42 through the push plate 61.

The implementation principle of the outer wall elevator shaft of the embodiment of the application is as follows: in the process of elevator shaft arrangement, firstly, a plurality of splicing modules are transported to a construction site, then a track 2 in one splicing module is fixed to the outer wall surface of a building 8 through an expansion bolt, then the prefabricated member 1 is lifted, an installation member 3 on the prefabricated member 1 is aligned with the track 2, and the prefabricated member 1 is slowly descended to the ground; and then fixing the track 2 in the next assembly module to the outer wall surface of the building 8, placing the positioning piece 4 into a plurality of positioning holes 151 at the top of the installed prefabricated part 1, hoisting the prefabricated part 1 again, slowly descending the prefabricated part 1 after the prefabricated part 1 is aligned with the track 2, finally stacking the two prefabricated parts 1 together, and sequentially completing the installation of a plurality of assembly modules according to the mode.

A method of installing an elevator shaft, comprising the steps of:

s1, fixedly installing a track 2 in an assembly module to the outer wall surface of a building 8;

the two i-beams 21 of the track 2 are secured to the exterior wall of the building 8 by expansion bolts.

S2, hoisting the prefabricated member 1 in the assembly module to align the installation member 3 of the prefabricated member 1 with the rail 2;

the prefabricated member 1 is lifted to be higher than the track 2, two channel steel 31 in the installation member 3 are aligned with two I-shaped steel 21 of the track 2 one by one, and then the prefabricated member 1 is slowly lowered to the ground.

S3, fixing the track 2 in the next assembly module to the outer wall of the building 8;

s4, placing a positioning piece 4 in a positioning hole 151 on the upper surface of the installed prefabricated part 1;

s5, hoisting the prefabricated part 1 and erecting the prefabricated part 1 on the prefabricated part 1 below according to the mode in the step S2;

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 outer wall elevartor shaft which characterized in that: the assembling device comprises a plurality of assembling modules which are sequentially arranged along the vertical direction;

the splicing module comprises a prefabricated part (1) and a track (2);

an elevator well area (12) and a waiting elevator hall area (13) are arranged in the prefabricated part (1); the prefabricated part (1) is provided with an inlet and an outlet (14) which are communicated with the elevator waiting hall area (13); the prefabricated part (1) is vertically provided with a mounting part (3) matched with the track (2);

the track (2) is fixed to the outer wall of a building (8) through a plurality of expansion bolts, and the mounting piece (3) is connected with the track (2) in a sliding mode; the prefabricated member (1) can only move along the vertical direction under the limitation of the mounting member (3) and the track (2);

the upper surface and the lower surface of the prefabricated part (1) are provided with a plurality of positioning holes (151); a plurality of positioning holes (151) at the bottom of the prefabricated member (1) at the higher position in two adjacent prefabricated members (1) and a plurality of positioning holes (151) at the top of the prefabricated member (1) at the lower position are in one-to-one correspondence to form a plurality of positioning hole (151) groups;

a plurality of rod-shaped positioning parts (4) are arranged between two adjacent prefabricated parts (1), the positioning parts (4) correspond to the positioning hole (151) groups one by one, and two ends of each positioning part (4) are respectively inserted into two positioning holes (151) in the positioning hole (151) groups;

the positioning piece (4) and the prefabricated part (1) are fixed through structural adhesive;

a glue storage cavity (41) is formed in the positioning piece (4), structural glue is filled in the glue storage cavity (41), glue outlet holes (42) are formed in two ends of the positioning piece (4), and a sealing plate (43) used for sealing the glue outlet holes (42) is arranged at the glue outlet holes (42);

the bottom wall in the positioning hole (151) is fixedly connected with a bulge (152), when two adjacent prefabricated parts (1) are stacked together, the bulges (152) at the two ends of the positioning piece (4) respectively crush the closing plates (43) at the two ends of the positioning piece (4), so that the structural adhesive in the positioning piece (4) is discharged to a gap between the positioning hole (151) and the positioning piece (4), and the positioning piece (4) and the prefabricated parts (1) are adhered together;

after the sealing plate (43) is crushed by the protrusions (152) and extends into the glue outlet holes (42), the diameter of the protrusions (152) is smaller than that of the glue outlet holes (42);

a connecting piece (44) is fixedly connected in the glue outlet hole (42); a glue outlet gap (421) is formed between the connecting piece (44) and the glue outlet hole (42), the connecting piece (44) comprises a circular connecting plate (442) and a plurality of connecting rods (441), the connecting rods (441) are coplanar with the connecting plate (442), and the connecting rods (441) are uniformly fixedly connected to the outer peripheral surface of the connecting plate (442) around the axis of the connecting plate (442);

the sealing plate (43) is crushed by the protrusion (152) and extends into the glue outlet hole (42) to be abutted against the connecting piece (44), and a flowing gap (5) convenient for the flowing of the structural glue is arranged between the bottom wall of the positioning hole (151) and the positioning piece (4);

two groups of pushing pieces (6) are arranged in the glue storage cavity (41), the two groups of pushing pieces (6) are respectively in one-to-one correspondence with the two glue outlet holes (42), a supporting seat (7) is fixedly connected to the middle of the glue storage cavity (41), and the two groups of pushing pieces (6) are respectively positioned at two sides of the supporting seat (7);

the pushing piece (6) comprises an elastic piece (62) and a pushing plate (61);

the push plate (61) is attached to and connected with the inner wall of the glue storage cavity (41) in a sliding mode, and the elastic part (62) is fixedly connected between the push plate (61) and the inner wall of the glue storage cavity (41);

the structural adhesive in the adhesive storage cavity (41) is divided into two sections, the two sections of structural adhesive are respectively in one-to-one correspondence with the two push plates (61), and the structural adhesive is positioned between the push plates (61) and the adhesive outlet holes (42);

when the closing plate (43) is in a complete state, the elastic piece (62) generates a force for driving the push plate (61) to push the structural adhesive to move towards the adhesive outlet (42);

after the closing plate (43) is damaged, the storage force on the elastic piece (62) is released, and the elastic piece (62) pushes the structural adhesive out of the adhesive storage cavity (41) through the push plate (61).

2. An exterior elevator shaft according to claim 1, wherein: a connecting groove (1511) is formed in the positioning hole (151).

3. An exterior elevator shaft according to claim 2, wherein: the connecting groove (1511) communicates with the flow gap (5).

4. The elevator hoistway installation method of an outer wall elevator hoistway according to claim 1, characterized in that: the method comprises the following steps:

s1, fixedly installing a track (2) in an assembly module to the outer wall surface of a building (8);

s2, hoisting the prefabricated member (1) in the assembly module, and after the installation member (3) of the prefabricated member (1) is aligned with the rail (2), gradually reducing the height of the prefabricated member (1);

s3, fixing the track (2) in the next assembly module group to the outer wall of the building (8);

s4, placing a positioning piece (4) in a positioning hole (151) on the upper surface of the installed prefabricated part (1);

s5, hoisting the prefabricated member (1) and erecting the prefabricated member (1) on the prefabricated member (1) below according to the mode in the step S2;