CN114482589A

CN114482589A - Elevator shaft protection construction method, device and system

Info

Publication number: CN114482589A
Application number: CN202210128280.9A
Authority: CN
Inventors: 孙栋杰; 杨鸿雷; 潘敏; 严志杰
Original assignee: Shanghai Vanke Enterprise Co Ltd
Current assignee: Shanghai Vanke Enterprise Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-05-13

Abstract

The invention relates to an elevator shaft protection construction method, a device and a system. The method has the advantages that the base unit and the structural steel beam are welded, then the floor slab structure is constructed, and the base unit (steel bar) is poured in the floor slab, so that the integrity is good and the stability is strong; the vertical steel pipe unit is inserted into the base unit, so that the operation is simple, the vertical steel pipe unit can be repeatedly used, and the cost is greatly reduced; after the elevator shaft protection device is installed, compared with a conventional mode that the near-edge protection bracket is placed on a floor slab, the near-edge protection bracket is firm in fixation, cannot move or deviate, and is high in safety level.

Description

Elevator shaft protection construction method, device and system

Technical Field

The invention relates to the technical field of building safety, in particular to a construction method, a device and a system for elevator shaft protection.

Background

Along with the continuous growth of the scale of cities, the number of high-rise buildings in the centers of cities is increased, and the elevators cannot be used for indoor vertical transportation of the high-rise buildings. In the process of building construction, an elevator shaft is usually a through shaft, and a shaft opening becomes a potential safety hazard in construction operation, so that safety accidents such as high falling, object striking and the like are easily caused.

The safety protection of conventional elevator well door opening adopts steel pipe scaffold to set up, causes easily that repeated demolishs aversion and installation in civil engineering and fitment stage (before the elevator installation), and it brings the increase of potential safety hazard and expense cost.

The elevator shaft that utilizes steel pipe fastener to set up faces the limit and protects, in floor construction and follow-up fitment process, because of the conflict in the position, often takes place the condition such as aversion. The elevator cage needs to be dismantled and then installed at a new position again, and a vacuum period of the elevator opening can be formed in the dismantling process, so that artificial potential safety hazards are caused.

The scaffold steel pipe is simply erected on a structural floor slab, is not firm in fixation and easy to slide, is easy to overturn when a person or an object leans on the scaffold steel pipe, needs to be regularly maintained by the person, and is labor-consuming and time-consuming. The safety and the economical efficiency are not ideal.

At present, no effective solution is provided for the problems of insecure fixation, easy sliding, easy overturning, poor safety and the like in the related technology.

Disclosure of Invention

The invention aims to provide a construction method, a device and a system for protecting an elevator shaft, aiming at overcoming the defects in the prior art and solving the problems of insecure fixation, easy sliding, easy overturning, poor safety and the like in the related art.

In order to achieve the purpose, the invention adopts the technical scheme that:

in a first aspect, an elevator shaft protection construction method is provided, which includes:

welding the bottom ends of a plurality of base units with steel beams, wherein the base units are arranged in a surrounding manner and are S-shaped;

constructing the upper part of the steel beam to form a floor slab;

inserting a plurality of vertical steel pipe units into the top ends of the corresponding base units;

installing at least one locking unit on each vertical steel pipe unit;

and respectively connecting the plurality of transverse steel pipe units with the corresponding locking units, so that the transverse steel pipe units are perpendicular to the vertical steel pipe units, and the plurality of transverse steel pipe units and the plurality of vertical steel pipe units are in a net-shaped fence structure.

In some of these embodiments, further comprising:

sequentially removing a plurality of the transverse steel pipe units, a plurality of the locking units and a plurality of the vertical steel pipe units when the construction of the elevator shaft is completed;

cutting the base unit to level the horizontal surface above the floor.

In some of these embodiments, further comprising:

and connecting the plurality of fastening devices with two adjacent transverse steel pipe units which are positioned on the same horizontal plane correspondingly.

In some of these embodiments, further comprising:

and a plurality of buffer devices are arranged at the periphery of the mesh fence structure.

In a second aspect, there is provided an elevator shaft guard comprising:

the base unit penetrates through the floor slab and is detachably connected with the steel beam below the floor slab, wherein the base unit is S-shaped;

the first end of the vertical steel pipe unit is detachably connected with the base unit;

the locking unit is detachably connected with the vertical steel pipe unit;

and the transverse steel pipe unit is detachably connected with the locking unit and is perpendicular to the vertical steel pipe unit.

In some of these embodiments, the base unit comprises:

the first base element is S-shaped, and a first end of the first base element penetrates through the floor slab and is detachably connected with the steel beam below the floor slab;

and the second base element is arranged at the second end of the first base element and is detachably connected with the first end of the vertical steel pipe.

In some of these embodiments, the first base element comprises:

the first end of the first vertical part penetrates through the floor slab and is detachably connected with the steel beam below the floor slab;

a cross member, a first end of the cross member being connected to a second end of the first vertical member;

a second upright, a first end of the second upright connected to a second end of the cross member, a second end of the second upright connected to the second base element.

In some of these embodiments, the first vertical member is disposed parallel to the second vertical member.

In some of these embodiments, the angle between the first vertical member and the transverse member is greater than or equal to 90 °.

In some of these embodiments, the angle between the second upright and the cross member is greater than or equal to 90 °.

In some of these embodiments, the vertical steel pipe unit includes:

and the first end of the vertical steel pipe element, which is positioned at the first end of the vertical steel pipe unit, is detachably connected with the base unit.

In some of these embodiments, in the case that the vertical steel pipe element is a plurality of, the vertical steel pipe unit further includes:

the first end of the first connecting element is detachably connected with the second end of one vertical steel pipe element, and the second end of the first connecting element is detachably connected with the first end of the other vertical steel pipe element;

at least one first limiting element is detachably connected with one corresponding first connecting element and used for limiting the positions of two adjacent vertical steel pipe elements.

In some of these embodiments, the first connection element comprises:

the two first connecting ring pieces are symmetrically arranged and sleeved with the vertical steel pipe element and are detachably connected with the first limiting element respectively.

In some of these embodiments, the first stop element comprises:

a first limit rod piece, which is arranged through the first connecting element;

the first limiting ring piece is detachably connected with the first limiting rod piece.

In some of these embodiments, the transverse steel pipe unit includes:

and the transverse steel pipe element is positioned at one end of the transverse steel pipe unit and is detachably connected with the locking unit.

In some of these embodiments, in the case that the transverse steel pipe elements are several, the transverse steel pipe unit further includes:

at least one second connecting element, wherein the first end of the second connecting element is detachably connected with the second end of one transverse steel pipe element, and the second end of the second connecting element is detachably connected with the second end of the other transverse steel pipe element;

and at least one second limiting element is detachably connected with one corresponding second connecting element and is used for limiting the positions of two adjacent transverse steel pipe elements.

In some of these embodiments, the second connecting element comprises:

the two second connecting ring pieces are symmetrically arranged, sleeved with the transverse steel pipe element and detachably connected with the second limiting element respectively.

In some of these embodiments, the second stop element comprises:

the second limiting rod piece penetrates through the second connecting element;

and the second limiting ring piece is detachably connected with the second limiting rod piece.

In some of these embodiments, the locking unit comprises:

the first locking element is detachably connected with the vertical steel pipe unit;

and the second locking element is connected with the first locking element and is detachably connected with the transverse steel pipe unit.

In some of these embodiments, the first locking element comprises:

and the two first locking ring pieces are symmetrically arranged, sleeved on the vertical steel pipe unit and respectively connected with the second locking element.

In some of these embodiments, the second locking element comprises:

the two second locking ring pieces are symmetrically arranged, sleeved with the transverse steel pipe unit and respectively connected with the first locking element.

In some of these embodiments, the first locking element is fixedly connected to the second locking element.

In some of these embodiments, the first locking element is removably coupled to the second locking element.

In some of these embodiments, the locking unit further comprises:

at least one third limiting element, wherein the third limiting element is detachably connected with the first locking element;

at least one fourth limiting element, wherein the fourth limiting element is detachably connected with the second locking element.

In some of these embodiments, the third stop element comprises:

a third limit rod piece, which is arranged to penetrate through the first locking element;

and the third limiting ring piece is detachably connected with the third limiting rod piece.

In some of these embodiments, the fourth stop element comprises:

a fourth limit rod, which is arranged to penetrate the second locking element;

and the fourth limiting ring piece is detachably connected with the fourth limiting rod piece.

In some of these embodiments, the locking unit further comprises:

at least one fifth limiting element which is detachably connected with the first locking element and the second locking element respectively.

In some of these embodiments, the fifth limiting element comprises:

the fifth limiting rod piece penetrates through the first locking element and the second locking element;

and the fifth limiting ring piece is detachably connected with the fifth limiting rod piece.

In a third aspect, there is provided an elevator shaft protection system comprising:

a plurality of hoistway guards according to the first aspect;

the elevator shaft protection device is arranged on each side of the elevator shaft, and a plurality of elevator shaft protection devices arranged around the elevator shaft form a fence structure.

In some of these embodiments, further comprising:

and each fastening device is detachably connected with the transverse steel pipe units on two adjacent sides.

In some of these embodiments, the fastening device comprises:

the first fastening unit is detachably connected with the transverse steel pipe unit;

and the second fastening unit is detachably connected with the other transverse steel pipe unit and is connected with the first fastening unit.

In some of these embodiments, the first fastening unit and the second fastening unit are in a right-angle shape, a convex shape or a cross shape.

In some of these embodiments, the first fastening unit is in communication or not in communication with the second fastening unit.

In some of these embodiments, further comprising:

and the buffer devices are detachably connected with the corresponding elevator shaft protection devices.

In some of these embodiments, the buffer device comprises:

the buffer unit covers the outer edge surface of the elevator shaft protection device;

and the connecting units are arranged around the buffer unit and detachably connected with the elevator shaft protection device.

By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:

according to the elevator shaft protection construction method, the elevator shaft protection construction device and the elevator shaft protection construction system, the base unit and the structural steel beam are welded, then a floor slab structure is constructed, the base unit (steel bar) is poured in the floor slab, and the elevator shaft protection construction method, the device and the system are good in integrity and strong in stability; the vertical steel pipe unit is inserted with the base unit, so that the operation is simple, the vertical steel pipe unit can be repeatedly used, and the cost is greatly reduced; after the elevator shaft protection device is installed, compared with a conventional mode that the near-edge protection bracket is placed on a floor slab, the near-edge protection bracket is firm in fixation, cannot move or deviate, and is high in safety level.

Drawings

Fig. 1 is a schematic view of an elevator shaft guard according to an embodiment of the invention;

FIG. 2 is a schematic view of a base unit according to an embodiment of the invention;

3 a-3 b are schematic diagrams of a vertical steel pipe unit according to an embodiment of the invention;

FIGS. 4 a-4 c are schematic views of a locking unit according to an embodiment of the invention;

FIGS. 5a to 5b are schematic views of a transverse steel pipe unit according to an embodiment of the present invention;

fig. 6 is a schematic view (one) of an elevator shaft protection system according to an embodiment of the invention;

FIGS. 7 a-7 c are schematic views of a fastening device according to an embodiment of the present invention;

fig. 8 is a schematic view of an elevator shaft protection system according to an embodiment of the invention (two);

FIG. 9 is a schematic view of a cushioning apparatus according to an embodiment of the present invention;

fig. 10a to 10f are schematic views of an elevator shaft protection construction method according to an embodiment of the present invention.

Wherein the reference numerals are: 1000. an elevator shaft guard; 1100. a base unit; 1110. a first base element; 1111. a first vertical member; 1112. a cross member; 1113. a second vertical member; 1120. a second base element; 1200. a vertical steel pipe unit; 1210. a vertical steel tube element; 1220. a first connecting element; 1221. a first connecting ring member; 1230. a first spacing element; 1231. a first limit rod piece; 1232. a first stop ring member; 1300. a locking unit; 1310. a first locking element; 1311. a first locking ring member; 1320. a second locking element; 1321. a second locking ring member; 1330. a third limiting element; 1331. a third limit rod piece; 1332. a third stop ring member; 1340. a fourth limiting element; 1341. a fourth limit rod piece; 1342. a fourth stop ring member; 1350. a fifth limiting element; 1351. A fifth limit rod piece; 1352. a fifth stop ring member; 1400. a transverse steel pipe unit; 1410. a transverse steel tube element; 1420. a second connecting element; 1421. a second connecting ring member; 1430. a second limiting element; 1431. a second limit rod piece; 1432. a second stop ring member;

2000. a fastening device; 2100. a first fastening unit; 2200. a second fastening unit;

3000. a buffer device; 3100. a buffer unit; 3200. a connection unit;

A. an elevator shaft; B. a floor slab; C. a steel beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Example 1

This embodiment relates to an elevator shaft guard of the present invention.

In one exemplary embodiment of the present invention, as shown in fig. 1, an elevator shaft guard 1000 includes a base unit 1100, a vertical steel pipe unit 1200, a locking unit 1300, and a horizontal steel pipe unit 1400. The base unit 1100 is S-shaped, and the base unit 1100 penetrates through a floor slab and is detachably connected with a steel beam below the floor slab; the first end of the vertical steel pipe unit 1200 is detachably connected to the base unit 1100; the locking unit 1300 is detachably connected with the vertical steel pipe unit 1200; the horizontal steel pipe unit 1400 is detachably connected to the locking unit 1300 and is disposed perpendicular to the vertical steel pipe unit 1200.

In some embodiments, there are several locking units 1300 and several transverse steel tube units 1400.

In some of these embodiments, the number of locking units 1300 is the same as the number of transverse steel pipe units 1400.

As shown in fig. 2, the base unit 1100 includes a first base element 1110 and a second base element 1120. The first base element 1110 is S-shaped, and a first end of the first base element 1110 penetrates through the floor slab and is detachably connected with a steel beam below the floor slab; the second base element 1120 is disposed at the second end of the first base element 1110 and detachably connected to the first end of the vertical steel pipe.

Therein, first base element 1110 includes a first upright 1111, a cross-piece 1112, and a second upright 1113. The first end of the first vertical piece 1111 penetrates through the floor slab and is detachably connected with a steel beam below the floor slab; a first end of cross piece 1112 is connected to a second end of first upright 1111; a first end of second upright 1113 is coupled to a second end of cross-member 1112 and a second end of second upright 1113 is coupled to a second base element 1120.

In some of these embodiments, first upright 1111 is disposed parallel to second upright 1113.

In some of these embodiments, the angle between first vertical component 1111 and transverse component 1112 is greater than or equal to 90 °.

Preferably, the included angle between first vertical component 1111 and transverse component 1112 is 90 °, 120 °, 150 °.

In some of these embodiments, the angle between second upright 1113 and cross-piece 1112 is greater than or equal to 90 °.

Preferably, the angle between second upright 1112 and cross-piece 1113 is 90 °, 120 °, 150 °.

In some of these embodiments, the angle between first upright 1111 and cross-piece 1112 is equal to the angle between second upright 1113 and cross-piece 1112.

In some of these embodiments, first upright 1111, cross-piece 1112, and second upright 1113 are integrally formed.

In some of these embodiments, the first base member 1110 is rebar.

In some of these embodiments, the diameter of the first base element 1110 is 25 mm.

In some of these embodiments, the horizontal distance between first upright 1111 and second upright 1113 is 80 mm.

In some of these embodiments, the first vertical component 1111 is 150mm in length.

In some of these embodiments, the second base element 1120 is a steel sleeve base for plugging with the vertical steel pipe unit 1200, including but not limited to an interference fit.

In some of these embodiments, the outer diameter of the second base element 1120 is 63 mm.

In some of these embodiments, the vertical distance between the top of second base element 1120 and the bottom of second upright 1113 is 100 mm.

In some of these embodiments, second base element 1120 is welded to first base element 1110.

As shown in fig. 3a, the vertical steel pipe unit 1200 comprises at least one vertical steel pipe element 1210, and a first end of the vertical steel pipe element 1210 at a first end of the vertical steel pipe unit 1200 is detachably connected to the base unit 1100.

Specifically, the vertical steel pipe element 1210 at the first end of the vertical steel pipe unit 1200 is detachably connected to the second base element 1120.

Wherein the vertical steel pipe element 1210 is inserted into the second base element 1120.

In some of these embodiments, vertical steel tube element 1210 is a steel tube with an outer diameter of 48 mm.

Further, as shown in fig. 3b, in the case that there are several vertical steel pipe elements 1210, the vertical steel pipe unit 1200 further includes at least one first connecting element 1220 and several first limiting elements 1230. Wherein, the first end of the first connecting element 1220 is detachably connected with the second end of one vertical steel pipe element 1210, and the second end of the first connecting element 1220 is detachably connected with the first end of another vertical steel pipe element 1210; at least one first limiting element 1230 is detachably connected with a corresponding first connecting element 1220, and is used for limiting the positions of two adjacent vertical steel pipe elements 1210.

In some embodiments, a first connecting element 1220 is removably coupled to a first retaining element 1230.

In some embodiments, a first connecting element 1220 is detachably connected to two first limiting elements 1230, and the two first limiting elements 1230 are respectively disposed at two sides of the first connecting element 1220.

The first connecting element 1220 includes two first connecting rings 1221, the two first connecting rings 1221 are symmetrically disposed, and are disposed to cover the vertical steel pipe element 1210, and are detachably connected to the first limiting element 1230, respectively.

Specifically, one end of each first connection ring 1221 is detachably connected to one vertical steel pipe element 1210, and the other end of each first connection ring 1221 is detachably connected to the other vertical steel pipe element 1210.

Wherein, the both ends of each first connecting ring 1221 all are provided with the recess for can dismantle with vertical steel pipe element 1210 and be connected.

The first stop element 1230 includes a first stop link 1231 and a first stop ring member 1232. Wherein the first limit rod 1231 is disposed through the first connection element 1220; the first stop ring member 1232 is removably connected to the first stop member 1231.

In some embodiments, the first stop member 1231 is a threaded rod and the first stop ring member 1232 is a threaded cap.

As shown in fig. 4a, the locking unit 1300 comprises a first locking element 1310 and a second locking element 1320. Wherein the first locking element 1310 is detachably connected with the vertical steel pipe unit 1200; and a second locking member 1320, the second locking member 1320 being coupled to the first locking member 1310 and detachably coupled to the transverse steel pipe unit 1400.

Specifically, first locking element 1310 is removably connected to vertical steel tube element 1210.

The first locking element 1310 includes two first locking ring members 1311, and the two first locking ring members 1311 are symmetrically disposed, and are disposed to cover the vertical steel pipe unit 1200, and are respectively connected to the second locking elements 1320.

In some of these embodiments, first locking rings 1311 are an interference fit with vertical steel tube element 1210.

Specifically, the inner edge surface of each first locking ring 1311 is provided with a protrusion, which is interference fitted with vertical steel pipe element 1210.

The second locking element 1320 includes two second locking ring members 1321, and the two second locking ring members 1321 are symmetrically disposed, and are disposed to be sleeved on the transverse steel pipe unit 1400, and are respectively connected to the first locking element 1310.

Specifically, each second locking ring member 1321 is connected to a corresponding first locking ring member 1311 and is arranged vertically, i.e., the axial direction of the second locking ring member 1321 is perpendicular to the axial direction of the first locking ring member 1311.

In some embodiments, the inner edge surface of each second locking ring component 1321 is provided with a protrusion, and the protrusion is in interference fit with the transverse steel tube unit 1400.

Further, the locking unit 1300 further comprises at least one third limiting element 1330 and at least one fourth limiting element 1340. Wherein the third spacing element 1330 is removably coupled to the first locking element 1310; fourth limiting element 1340 is removably connected to second locking element 1320.

Specifically, the third position-limiting element 1330 is detachably connected to the two first locking rings 1311, respectively; the fourth stop element 1340 is detachably connected to the two second locking ring members 1321, respectively.

In some of these embodiments, a third spacing element 1330 is disposed at an end of the first locking element 1310 distal from the second locking element 1320.

In some of these embodiments, as shown in fig. 4b, the third position-limiting element 1330 is symmetrically disposed on both sides of the first locking element 1310.

In some of these embodiments, a fourth limiting element 1340 is provided at the end of second locking element 1320 remote from first locking element 1310.

In some of these embodiments, as shown in FIG. 4b, the fourth limiting elements 1340 are symmetrically disposed on either side of the second locking element 1320.

The third stop element 1330 includes a third stop rod 1331 and a third stop ring piece 1332. Wherein the third position limiting rod 1331 is disposed through the first locking element 1310; the third stop ring piece 1332 is removably connected to the third stop rod piece 1331.

Specifically, the third position-limiting rod 1331 is sequentially disposed through the two first locking rings 1311.

In some of these embodiments, the third stop-ring piece 1331 is a threaded rod and the third stop-ring piece 1332 is a threaded nut.

Fourth stop element 1340 includes a fourth stop bar 1341 and a fourth stop ring 1342. Wherein the fourth stopper rod 1341 is disposed through the second locking member 1320; the fourth stop ring 1342 is removably attached to the fourth stop rod 1341.

Specifically, the fourth stopper rod 1341 sequentially penetrates through the two second locking ring members 1321.

In some embodiments, the fourth stop rod 1341 is a screw and the fourth stop ring 1342 is a nut.

Further, as shown in fig. 4c, the locking unit 1300 further comprises at least one fifth limiting element 1350, wherein the fifth limiting element 1350 is detachably connected to the first locking element 1310 and the second locking element 1320, respectively.

Specifically, the fifth stop element 1350 is detachably connected to the two first and second

lock ring members

1311, 1321, respectively.

Specifically, the first locking element 1310 and the second locking element 1320 are detachably connected, and the distance between the axis of the first locking element 1310 and the axis of the second locking element 1320 can be adjusted as required.

Specifically, one end of the first locking element 1310 and one end of the second locking element 1320 are each provided with a plurality of locking holes arranged at intervals, an appropriate locking hole is selected according to the distance, and the fifth stopper element 1350 is detachably coupled to the locking holes.

In this case, in order to improve connection stability, it is necessary to provide the third or fourth limiting

element

1330 or 1340 between the first and

second locking elements

1310 and 1320.

Taking the second locking element 1320 surrounding the first locking element 1310 as an example, the fourth limiting element 1340 is disposed on both sides of the second locking element 1320, the third limiting element 1330 is disposed on the outermost side of the first locking element 1310, and the fifth limiting element 1350 is disposed at the connecting position between the first locking element 1310 and the second locking element 1320.

The fifth stop element 1350 comprises a fifth stop rod member 1351 and a fifth stop ring member 1352. Wherein the fifth restraining bar 1351 is disposed through the first and

second locking elements

1310, 1320; the fifth stop ring member 1352 is detachably connected to the fifth stop rod member 1351.

Specifically, the fifth restraining bar 1351 is disposed through the first and

second locking elements

1310, 1320.

More specifically, the fifth restraining bar 1351 is disposed through the two first and second

locking ring members

1311, 1321.

In some of these embodiments, the fifth stop rod 1351 is a threaded rod and the fifth stop ring member 1352 is a threaded nut.

As shown in fig. 5a, the transverse steel pipe unit 1400 includes at least one transverse steel pipe element 1410, and a first end of the transverse steel pipe element 1410 at a first end of the transverse steel pipe unit 1400 is detachably connected to the locking unit 1300.

Specifically, the transverse steel pipe element 1410 at the first end of the transverse steel pipe unit 1400 is detachably coupled to the second locking element 1320.

Wherein the transverse steel tube element 1410 is in plug-fit engagement with the second locking element 1320.

In some of these embodiments, the number of transverse steel pipe units 1400 is less than or equal to the number of locking units 1300.

In some of these embodiments, transverse steel tubular element 1410 is a steel tube with an outer diameter of 48 mm.

Further, as shown in fig. 5b, in case that the transverse steel pipe element 1410 is provided in plurality, the transverse steel pipe unit 1400 further includes at least one second connecting element 1420 and a plurality of second stopper elements 1430. Wherein a first end of the second connecting element 1420 is detachably connected to a second end of one transverse steel pipe element 1410, and a second end of the second connecting element 1420 is detachably connected to a first end of another transverse steel pipe element 1410; at least one second limiting element 1430 is detachably connected to a corresponding second connecting element 1420, for limiting the position of two adjacent transverse steel pipe elements 1410.

In some of these embodiments, a second coupling element 1420 is removably coupled to a second stop element 1430.

In some embodiments, a second connecting element 1420 is detachably connected to two second limiting elements 1430, and the two second limiting elements 1430 are respectively disposed at two sides of the second connecting element 1420.

The second connecting element 1420 includes two second connecting ring members 1421, the two second connecting ring members 1421 are symmetrically disposed, and are disposed to be sleeved on the transverse steel tube element 1410, and are detachably connected to the second limiting elements 1430 respectively.

Specifically, one end of each second ring member 1421 is detachably connected to one of the transverse steel pipe elements 1410, and the other end of each second ring member 1421 is detachably connected to the other transverse steel pipe element 1410.

Wherein, both ends of each second ring connecting member 1421 are provided with grooves for detachable connection with the transverse steel pipe element 1410.

The second stop element 1430 includes a second stop rod member 1431 and a second stop ring member 1432. Wherein a second stopper rod 1431 is arranged through the second connecting element 1420; the second stop ring member 1432 is removably coupled to the second stop rod member 1431.

In some of these embodiments, the second stop rod member 1431 is a threaded rod and the second stop ring member 1432 is a threaded nut.

The using method of the invention is as follows:

welding the bottom end of the first base element 1110 (the bottom end of the first vertical member 1111) to a steel beam (a structural steel beam) and then performing floor construction, wherein the second vertical member 1113 of the first base element 1110 is located above the elevator shaft;

inserting one end of the vertical steel pipe member 1210 into the second base member 1120;

mounting at least one locking unit 1300 on the vertical steel pipe element 1210 according to construction needs, connecting the first locking unit 1310 with the vertical steel pipe element 1210, and limiting by using a third limiting unit 1330;

connecting the transverse steel tube element 1410 with the second locking element 1320 and stopping using the fourth stopping element 1340;

in the case where the construction of the elevator shaft is completed, the first vertical member 1111 is cut, a part of the first vertical member 1111 is left at the floor, and the remaining part of the base unit 1100 is recovered.

The invention has the advantages that the base unit and the structural steel beam are welded, then the floor slab structure is constructed, the base unit (steel bar) is poured in the floor slab, the integrity is good, and the stability is strong; the vertical steel pipe unit is inserted with the base unit, so that the operation is simple, the vertical steel pipe unit can be repeatedly used, and the cost is greatly reduced; after the elevator shaft protection device is installed, compared with a conventional mode that the near-edge protection bracket is placed on a floor slab, the near-edge protection bracket is firm in fixation, cannot move or deviate, and is high in safety level.

Example 2

The present embodiment relates to an elevator shaft protection system of the invention.

An exemplary embodiment of the invention, as shown in fig. 6, is an elevator hoistway protection system that includes a plurality of elevator hoistway protection devices 1000 as described in embodiment 1. Wherein, set up at least one elevartor shaft protector 1000 on every limit of elevartor shaft A, set up a plurality of elevartor shaft protectors 1000 around elevartor shaft A and form the rail structure.

Typically, two hoistway guards 1000 are symmetrically disposed on each side of the hoistway a.

In some embodiments, if one side of the elevator shaft A is longer, 3-5 elevator shaft protection devices 1000 can be arranged on the side with the longer length.

Specifically, for at least two hoistway guards 1000 located on the same side, the structure is as follows:

the two base units 1100 are symmetrically arranged, and the two vertical steel pipe units 1200 are respectively inserted into the corresponding base units 1100;

3 locking units 1300 are arranged at intervals on each vertical steel pipe unit 1200, and the locking units 1300 of the two vertical steel pipe units 1200 are in one-to-one correspondence;

and 3 transverse steel pipe units 1400 are selected, each transverse steel pipe unit 1400 is respectively connected with the corresponding two locking units 1300, and two ends of each transverse steel pipe unit 1400 are positioned at the outer sides of the locking units 1300.

For two adjacent sides and adjacent hoistway guards 1000, the structure is as follows;

the two horizontal steel pipe units 1400 located substantially on the same horizontal plane are in contact with each other, including horizontal contact and vertical offset contact.

Further, the elevator shaft protection system further comprises a plurality of fastening devices 2000, and each fastening device 2000 is detachably connected with the two adjacent lateral steel pipe units 1400.

As shown in fig. 7a, the fastening device 2000 comprises a first fastening unit 2100 and a second fastening unit 2200. Wherein the first fastening unit 2100 is detachably connected to a horizontal steel pipe unit 1400; the second fastening unit 2200 is detachably coupled to another transverse steel pipe unit 1400 and is coupled to the first fastening unit 2100.

Wherein the first fastening unit 2100 and the second fastening unit 2200 are rectangular.

In some of these embodiments, the first fastening unit 2100 is in communication with the second fastening unit 2200.

In some of these embodiments, the fastening device 2000 is a ferrule.

In some of these embodiments, as shown in fig. 7b, the first and

second fastening units

2100 and 2200 are in the shape of a Chinese character 'tu'.

In some of these embodiments, as shown in fig. 7c, the first fastening unit 2100 and the second fastening unit 2200 are cross-shaped.

In the case where the first and

second fastening units

2100 and 2200 are formed in a convex shape or a cross shape and the first and

second fastening units

2100 and 2200 communicate with each other, one horizontal steel pipe unit 1400 is abutted against the other horizontal steel pipe unit 1400 in the fastening device 2000, so that the fastening firmness can be improved.

Further, as shown in fig. 8, the elevator shaft protection system further includes a plurality of buffer devices 3000, and the plurality of buffer devices 3000 are detachably connected to the corresponding plurality of elevator shaft protection devices 1000.

Specifically, at least one buffer device 3000 is arranged on each side of the elevator shaft a, and the buffer device 3000 is detachably connected with at least two vertical steel pipe units 1200, so that a covering surface is formed.

As shown in fig. 9, the buffer device 3000 includes a buffer unit 3100 and a plurality of connection units 3200. Wherein the buffer unit 3100 is arranged to cover an outer edge surface of the hoistway guard 1000; a plurality of attachment units 3200 are disposed around the buffer unit 3100 and are removably attachable to the hoistway guard 1000.

Specifically, each vertical steel pipe unit 1200 is detachably connected to at least two connection units 3200.

In some of these embodiments, the cushioning unit 3100 is a cushioning net, cushion.

In some embodiments, at least 4 connection units 3200 are disposed on each buffer unit 3100, and the 4 connection units 3200 are disposed at four corners of the buffer unit 3100.

In some of these embodiments, each buffer unit 3100 is provided with 2n connection units 3200, where n is the number of hoistway protection devices 1000 (i.e., the number of vertical steel tube units 1200) at one side of the hoistway a.

The using method of the invention is as follows:

at least 8 base units 1100 are welded around a steel beam C of the elevator shaft A, and then construction of a floor slab B is carried out;

inserting the vertical steel pipe unit 1200 into the corresponding base unit 1100;

the connecting units 3200 at the bottom of the buffer unit 3100 are respectively sleeved with the corresponding vertical steel pipe units 1200;

according to construction requirements, a plurality of locking units 1300 are installed on the vertical steel pipe unit 1200;

connecting the transverse steel pipe unit 1400 with the corresponding locking unit 1300;

in the case that the elevator shaft construction is completed, removing the horizontal steel pipe unit 1400, the locking unit 1300, and the vertical steel pipe unit 1200;

the base unit 1100 is cut to level the level above the floor B.

Further, after the transverse steel pipe unit 1400 is connected to the corresponding locking unit 1300, the method further includes:

connecting the first and

second fastening units

2100 and 2200 to the corresponding horizontal steel pipe units 1400; and/or

The connecting units 3200 at the top of the buffer unit 3100 are respectively sleeved with the corresponding vertical steel pipe units 1200.

The invention has the advantages that the base unit and the structural steel beam are welded, then the floor slab structure is constructed, and the base unit is poured in the floor slab, so that the integrity is good and the stability is strong; the vertical steel pipe unit is inserted with the base unit, so that the operation is simple, the vertical steel pipe unit can be repeatedly used, and the cost is greatly reduced; the fastening device is utilized to improve the connection firmness of the adjacent transverse steel pipe units, so that the shaking is avoided; the buffer device is covered and arranged on the outer side of the elevator shaft protection device, so that the safety performance is further improved; after the elevator shaft protection system is installed, compared with a conventional mode that the near-edge protection bracket is placed on a floor slab, the near-edge protection bracket is firm in fixation, cannot move or deviate, and is high in safety level.

Example 3

The embodiment designs the elevator shaft protection construction method.

An exemplary embodiment of the present invention, as shown in fig. 10a to 10f, a method of constructing an elevator shaft protection, includes:

step S1002, welding bottom ends of the plurality of base units 1100 (the first vertical members 1111 of the first base element 1110) to the steel beam C, wherein the plurality of base units 1100 are arranged in a surrounding manner, and the base units 1100 are S-shaped;

step S1004, performing construction on the upper part of the steel beam C to form a floor slab B (as shown in fig. 10a to 10B);

step S1006, inserting a plurality of vertical steel pipe units 1200 into the top ends of the corresponding base units 1100 (i.e. inserting the vertical steel pipe elements 1210 into the corresponding second base elements 1120) (as shown in fig. 10c to 10 d);

step S1008, installing at least one locking unit 1300 on each vertical steel pipe unit 1200 (the first locking element 1310 is connected with the vertical steel pipe element 1210);

step S1010, connecting the plurality of transverse steel pipe units 1400 with the corresponding locking units 1300 respectively (the transverse steel pipe elements 1410 are connected with the second locking elements 1320), so that the transverse steel pipe units 1400 are arranged perpendicular to the vertical steel pipe units 1200, and the plurality of transverse steel pipe units 1400 and the plurality of vertical steel pipe units 1200 form a mesh fence structure (as shown in fig. 10e to 10 f).

In step S1004, it is constructed that concrete is cast on the upper portion of the steel beam C such that the first uprights 1111 of the first base member 1110 are cast inside the concrete, i.e., are integrated with the floor B.

And step S1004, the steel bars are poured in the floor slab, and the floor slab is good in integrity and strong in stability.

In step S1006, the operation is simple, and the vertical steel pipe unit 1200 can be repeatedly used.

Further, before step S1002, the method further includes:

bending the first base element 1110 to make the first base element 1110 in an S-shape;

the second base element 1120 is welded to the end of the first base element 1110.

In some of these embodiments, bending the first base element 1110 comprises:

bending the first base element 1110 to make the first base element 1110 in a right-angle shape;

the first base element 1110 is bent again so that the first base element 1110 is S-shaped.

The method has the advantages that the base units 1100 can be supported in batches in a processing yard, and the construction is simple and efficient.

In some of these embodiments, further comprising:

step S1012, sequentially removing the plurality of transverse steel pipe units 1400, the plurality of locking units 1300, and the plurality of vertical steel pipe units 1200 when the construction of the elevator shaft a is completed;

step S1014, the base unit 1100 is cut to level the level above the floor B.

Further, still include:

step S1102 is to connect the fastening devices 2000 to two adjacent horizontal steel pipe units 1400 located on the same horizontal plane.

Wherein step S1102 is performed after step S1010.

In some of these embodiments, step S1102 includes:

connecting the first fastening unit 2100 with a corresponding horizontal steel pipe unit 1400 located on the same horizontal plane;

the second fastening unit 2200 is coupled to another corresponding horizontal steel pipe unit 1400 located on the same horizontal plane.

Further, still include:

step S1104, removing the plurality of fastening devices 2000, the plurality of transverse steel pipe units 1400, the plurality of locking units 1300, and the plurality of vertical steel pipe units 1200 in sequence when the construction of the elevator shaft a is completed;

step S1106, cutting the base unit 1100 to level the horizontal surface above the floor B.

Further, still include:

step S1202, a plurality of buffer devices 3000 are disposed on the periphery of the mesh fence structure.

Wherein step S1202 is performed after step S1006 and step S1010 (or after step S1102).

In some of these embodiments, step S1202 includes:

when the horizontal steel pipe units 1400 are mounted, the connection units 3200 at the top of the buffer unit 3100 are fitted over the corresponding vertical steel pipe units 1200, respectively.

Further, still include:

step S1204, sequentially removing the plurality of buffer devices 3000, the plurality of transverse steel pipe units 1400, the plurality of locking units 1300 and the plurality of vertical steel pipe units 1200 under the condition that the construction of the elevator shaft A is completed;

step S1206, cutting the base unit 1100 to flatten the horizontal surface above the floor B.

In some embodiments, step S1204 further comprises:

in the case where the construction of the elevator shaft a is completed, the buffer devices 3000, the fastening devices 2000, the transverse steel pipe units 1400, the locking units 1300, and the vertical steel pipe units 1200 are sequentially removed.

One embodiment of the present invention:

welding the second base element 1120 to the first base element 1110;

welding a number of first base elements 1110 to steel beam C;

carrying out floor B construction;

inserting a number of vertical steel tube elements 1210 in corresponding second base elements 1120;

at least two locking units 1300 are installed at each vertical steel pipe element 1210;

installing at least two transverse steel pipe elements 1410 on each vertical steel pipe element 1210, and connecting the transverse steel pipe elements 1410 with the locking units 1300 at two sides;

in the case of completion of construction of the elevator shaft a (in the case of installation of the elevator in place), the transverse steel pipe elements 1410, the locking unit 1300, the vertical steel pipe elements 1210 are removed in sequence;

the first base member 1110 is cut.

A more specific embodiment of the present invention is as follows:

bending a phi 25 steel bar (first base element 1110) twice to form an S-shaped structure;

welding a phi 63 steel sleeve base (second base element 1120) to a phi 25 steel bar (first base element 1110) to form a rod (base unit 1100);

on the edge of an elevator shaft opening of a construction floor, a rod piece (a base unit 1100) is singly welded on a structural steel beam, and then a floor slab structure is constructed;

penetrating a phi 48 steel pipe upright (a vertical steel pipe element 1210) in a rod (a base unit 1100);

at least 2 (generally 3) phi 48 steel pipe railings (transverse steel pipe elements 1410) are arranged on the phi 48 steel pipe vertical rods (vertical steel pipe elements 1210);

before the construction of the building surface layer, the elevator is already installed in place, and the side railing is correspondingly dismantled.

The elevator door has the advantages that the problem that the conventional near-edge protection needs to be repeatedly dismantled is solved, only the steel bar with the diameter phi 25 is exposed, and after the elevator door is installed, only the steel bar with the diameter phi 25 needs to be cut off; the reinforcing steel bar with the diameter of phi 25 and the reinforcing steel bar of the floor slab are welded, and after enclosure installation is finished, compared with a conventional mode that the adjacent edge protection bracket is placed on the floor slab, the adjacent edge protection bracket is firm in fixation, cannot move or deviate, and is high in safety level.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. An elevator shaft protection construction method is characterized by comprising the following steps:

constructing the upper part of the steel beam to form a floor slab;

installing at least one locking unit on each vertical steel pipe unit;

2. The elevator hoistway protection construction method according to claim 1, further comprising:

cutting the base unit to level the horizontal surface above the floor.

3. The elevator hoistway protection construction method according to claim 1 or 2, further comprising:

4. The elevator shaft protection construction method according to any one of claims 1 to 3, further comprising:

5. An elevator shaft protective device, comprising:

the locking unit is detachably connected with the vertical steel pipe unit;

6. The elevator hoistway guard of claim 5 wherein said base unit comprises:

the second base element is arranged at the second end of the first base element and is detachably connected with the first end of the vertical steel pipe; and/or

The vertical steel pipe unit includes:

the first end of the vertical steel pipe element positioned at the first end of the vertical steel pipe unit is detachably connected with the base unit; and/or

The locking unit includes:

a second locking element connected with the first locking element and detachably connected with the transverse steel pipe unit; and/or

The transverse steel pipe unit comprises:

7. The elevator hoistway guard of claim 6, wherein said vertical steel tube unit further comprises:

at least one first limiting element is detachably connected with one corresponding first connecting element and used for limiting the positions of two adjacent vertical steel pipe elements; and/or

The transverse steel pipe unit further comprises:

at least one second limiting element is detachably connected with one corresponding second connecting element and used for limiting the positions of two adjacent transverse steel pipe elements; and/or

The locking unit further includes:

8. The elevator hoistway guard of claim 7, wherein said locking unit further comprises:

9. An elevator hoistway protection system, comprising:

a plurality of elevator hoistway protective devices as defined in any of claims 5 to 8;

10. The elevator hoistway protection system of claim 9, further comprising:

the plurality of fastening devices are respectively connected with two adjacent transverse steel pipe units which are positioned on the same horizontal plane correspondingly; and/or

And the buffer devices cover the fence structure.