Splicing type additionally-installed elevator steel structure hoistway
By using a modular installation of elevator steel structure shafts, and employing factory-prefabricated bolt connections and sliding corridor components, the problems of slow construction, high cost, poor corrosion resistance, and welding risks of elevator shafts are solved, achieving efficient and environmentally friendly installation and corrosion protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-03-20
AI Technical Summary
Existing elevator shaft construction is characterized by long construction periods, high costs, low installation accuracy, poor corrosion resistance, and fire risks. Furthermore, on-site welding severely disrupts residents' lives.
The elevator shaft is installed using a modular steel structure. The components are prefabricated in the factory and treated with anti-corrosion measures, then bolted together on site. Combined with the connecting corridor components, it is slidably connected to the existing building, avoiding welding noise and smoke pollution.
It improves installation efficiency and accuracy, shortens construction period, reduces costs, avoids noise and smoke pollution, prevents damage to existing building structures, enhances corrosion resistance, and reduces fire risk.
Smart Images

Figure CN224016693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a spliced type elevator steel structure shaft for additional installation belongs to elevator technical field. BACKGROUND
[0002] Behind the bustling city, old buildings are like rings, witnessing the changes of history. However, for the elderly living in old buildings, climbing stairs every day becomes a daunting challenge. With the improvement of living standards and people's pursuit of high-quality life, old building elevator installation undoubtedly provides great convenience for them, allowing them to easily go up and down the stairs and enjoy a more comfortable old age. Not only improves the travel conditions of residents, but also improves the living quality of the entire community and enhances the happiness and sense of belonging of residents. This is of great significance to improve the overall image of the city and build a harmonious society.
[0003] At present, elevator technology is very mature, and among the technical difficulties and cost composition of old building elevator installation, elevator shaft is undoubtedly the most important part. Elevator shaft mainly has two ways: concrete shaft and steel structure shaft. Concrete shaft is less selected due to its own disadvantages (long construction period, complex construction, poor seismic resistance, no lighting, poor appearance); Steel structure shaft currently mainly adopts on-site welding assembly method, which overcomes some shortcomings of concrete shaft to a certain extent, but also exposes new problems. First, the on-site welding work is tedious, which restricts the construction progress, leading to a relatively long construction period and increased construction cost; Second, the installation process requires high quality control, and the installation precision is low; Third, the corrosion resistance is poor, and the structure strength is easily affected by corrosion after long-term use; Fourth, there is a fire risk in the welding process, and the noise and smoke pollution generated during construction will interfere with residents' life, so a new solution is needed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the defects of prior art and provides a spliced type elevator steel structure shaft for additional installation.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of: a spliced type elevator steel structure shaft for additional installation is installed on the facade of an existing building, comprising:
[0006] A steel structure shaft body is formed by mutually splicing and fixing a plurality of steel columns, steel beams and first diagonal reinforcing bars through bolts, and is enclosed into a rectangular frame structure, and an elevator shaft space is formed in the interior of the rectangular frame structure;
[0007] The corridor assembly is provided with a plurality of corridor assemblies, which are horizontally spaced along the height direction of the steel structure shaft body, and each of the corridor assemblies is used for connecting the steel structure shaft body and the existing building; one end of each of the corridor assemblies is fixedly installed on the front side of the steel structure shaft body, and the other end is slidably connected to the facade of the existing building.
[0008] The foundation pit installation assembly is provided with a plurality of foundation pit installation assemblies, which are respectively fixedly installed at the bottom of the plurality of steel columns; each of the foundation pit installation assemblies comprises a bottom plate, a formwork, a horizontal adjusting nut, a locking nut and an anchor bolt, the bottom end of the steel column is fixed on the top surface of the bottom plate, the formwork is located below the bottom plate, the anchor bolt is L-shaped, the upper portion of the anchor bolt penetrates the formwork and the bottom plate, the horizontal adjusting nut is sleeved on the anchor bolt between the bottom plate and the formwork, and the horizontal adjusting nut cooperates with the anchor bolt to adjust the levelness of the bottom plate; the locking nut is sleeved on the upper portion of the anchor bolt, and the locking nut is used for locking the bottom plate.
[0009] Preferably, the corridor assembly comprises a corridor cross beam and two corridor connecting beams, the two corridor connecting beams are arranged in parallel with each other, the corridor cross beam is used for connecting and fixing the two corridor connecting beams, and the corridor cross beam is perpendicular to the corridor connecting beams; one end of each of the corridor connecting beams is fixedly provided with a first fixing member, and the two corridor connecting beams are fixed on the steel columns on the front side of the steel structure shaft body through the first fixing members; the other end of each of the corridor connecting beams is slidably provided with a second fixing member, and the second fixing member is fixedly installed on the facade of the existing building.
[0010] Preferably, the end of each of the corridor connecting beams is vertically provided with a waist-shaped hole for sliding of the second fixing member, a sliding gasket is arranged in the waist-shaped hole, and the sliding gasket is annular; first anti-skid gaskets are arranged on both sides of the sliding gasket; a locking bolt is further arranged at the connection between the corridor connecting beam and the second fixing member, the locking bolt penetrates the first anti-skid gaskets, the sliding gasket and the first anti-skid gasket on the other side of the sliding gasket in sequence, and locks the corridor connecting beam and the second fixing member.
[0011] Preferably, a plurality of equally spaced keels are vertically arranged on the rear side and the left and right sides of the steel structure shaft body, and each of the keels is fixed on the steel cross beam.
[0012] Preferably, the front side of the steel structure shaft body is alternately provided with a door cross beam and a threshold cross beam along the height direction thereof, the two ends of the door cross beam and the threshold cross beam are fixed on the steel columns on the front side of the steel structure shaft body through bolts, and the position of the threshold cross beam corresponds to the position of the corridor assembly.
[0013] Preferably, a second inclined cable is arranged below each of the corridor components, the upper end of the second inclined cable is fixed to the lower side of the sill beam, and the lower end of the second inclined cable is fixed to the steel column on the front side of the steel structure shaft body.
[0014] Preferably, two door columns are fixed between the upper side of the adjacent sill beam and the lower side of the door beam, the two door columns are symmetrically arranged on the two sides of the door beam, and the middle part of each door column is fixed to the steel column through a connecting piece.
[0015] Preferably, a reinforcing rib is arranged on the top surface of the bottom plate, and the reinforcing rib is connected and fixed with the bottom of the steel column.
[0016] Preferably, the plurality of first inclined cables on the rear side of the steel structure shaft body are sequentially connected end to end and form a Z-shaped structure.
[0017] Preferably, a plurality of bearing beams are arranged on the upper part of the steel structure shaft body, the two ends of each bearing beam are fixed to the adjacent steel columns, and a lifting beam is arranged on the middle part of the top surface of the steel structure shaft body, and the two ends of the lifting beam are fixed to the opposite steel beams, respectively.
[0018] Thanks to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:
[0019] 1. The utility model discloses a kind of steel structure shafts of splicing type, including steel structure shaft body, door beam, sill beam, corridor component, bottom plate, steel column and door column, the utility model discloses a kind of steel structure shafts of splicing type, which discards the mode of traditional on-site welding assembly, and all components are processed in factory and are well prepared for corrosion treatment, improve the machining precision, and can guarantee corrosion resistance, directly through bolt splicing assembly in field, greatly improve installation efficiency and installation precision, shorten construction period, reduce construction cost;Traditional on-site welding can also avoid the noise and smoke pollution generated, effectively avoid fire risk.
[0020] 2. The corridor component is slidably connected with the existing building, when the steel structure shaft body has settlement or slight deformation due to thermal expansion and contraction, the corridor component can vertically slide, so that the force of the steel structure shaft body can be effectively avoided to act on the existing building, thereby preventing the structure of the existing building from being damaged. BRIEF DESCRIPTION OF DRAWINGS
[0021] The technical scheme of the utility model will be further described below with reference to the drawings:
[0022] ATTACHMENT Figure 1 It is a structure schematic view of the splicing type elevator steel structure shaft of the utility model;
[0023] ATTACHMENT Figure 2 It is an enlarged view of the middle A of the attachment; Figure 1
[0024] ATTACHMENT Figure 3 The structure schematic view of the corridor assembly;
[0025] Attach Figure 4 Attach Figure 3 The enlarged view of the middle B.
[0026] In the figure: 1, steel structure shaft body; 11, steel column; 12, steel beam; 13, first inclined reinforcing bar; 14, shaft space; 15, door beam; 16, sill beam; 17, bearing beam; 18, hoisting beam; 19, keel; 2, corridor assembly; 21, corridor beam; 22, corridor connecting beam; 23, first fixing part; 24, second fixing part; 25, waist-shaped hole; 26, sliding gasket; 27, first anti-skid gasket; 28, locking bolt; 3, foundation pit installation assembly; 31, bottom plate; 311, reinforcing rib; 32, formwork; 34, locking nut; 35, anchor bolt; 4, second inclined reinforcing bar; 5, door column; 6, connecting part. DETAILED DESCRIPTION
[0027] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.
[0028] As shown in the figure, Figure 1 The utility model discloses a spliced type additional elevator steel structure shaft, which is installed on the outer facade of an existing building and comprises a steel structure shaft body 1, a corridor assembly 2 and a foundation pit installation assembly 3.
[0029] The steel structure shaft body 1 is formed by mutually splicing and fixing a plurality of steel columns 11, steel beams 12 and first inclined reinforcing bars 13 through bolts and is enclosed into a rectangular frame structure, and a shaft space 14 is formed in the rectangular frame structure, which is used for the elevator to lift; in the embodiment, the steel columns 11 are made of I-shaped steel, the steel beams 12 are made of channel steel, and the first inclined reinforcing bars 13 are made of angle steel; the steel columns 11 can be formed by stacking and fixing a plurality of steel materials through high-strength bolts to meet the transportation requirements.
[0030] The plurality of first inclined reinforcing bars 13 on the rear side of the steel structure shaft body 1 are sequentially connected end to end and form a Z-shaped structure, which can effectively enhance the stability of the steel structure shaft body 1 and improve its wind resistance, earthquake resistance and other abilities.
[0031] A plurality of equidistantly arranged keels 19 are vertically arranged on the rear side and the left and right sides of the steel structure shaft body 1, and each keel 19 is fixed on the steel beam through a self-tapping screw to be used for installing a decorative part in the later period; in the embodiment, the side of the steel structure shaft body 1 connected with the existing building is defined as the front side, and the side opposite to the front side is defined as the rear side.
[0032] The front side of the steel structure shaft body 1 is alternately provided with door cross beams 15 and sill cross beams 16 along the height direction thereof, both ends of the door cross beams 15 and the sill cross beams 16 are fixed on the steel columns 11 on the front side of the steel structure shaft body 1 through bolts; two door columns 5 are fixedly arranged between the upper side of the adjacent sill cross beam 16 and the lower side of the door cross beam 15, the two door columns 5 are symmetrically arranged on both sides of the door cross beam 15, and the middle part of each door column 5 is fixed on the steel column 11 through a connecting piece 6; to provide a support foundation for the subsequent installation of the elevator door.
[0033] As shown in the accompanying drawings, Figures 3-4 The corridor assembly 2 is provided with a plurality of corridor assemblies 2, which are horizontally spaced apart along the height direction of the steel structure shaft body 1, and are used to connect the steel structure shaft body 1 and the existing building; wherein the position of the corridor assembly 2 corresponds to the position of the sill cross beam 16, it should be noted that since the door column of the first floor is poured in the concrete of the foundation pit, the sill cross beam 16 can not be arranged on the first floor; one end of each corridor assembly 2 is fixedly installed on the front side of the steel structure shaft body 1, and the other end is slidably connected to the facade of the existing building.
[0034] Specifically, the corridor assembly 2 comprises a corridor cross beam 21 and two corridor connecting beams 22, the two corridor connecting beams 22 are arranged in parallel with each other, the corridor cross beam 21 is used to connect and fix the two corridor connecting beams 22, and the corridor cross beam 21 is perpendicular to the corridor connecting beams 22; one end of each corridor connecting beam 22 is fixedly provided with a first fixing piece 23, and the two corridor connecting beams 22 are fixed on the steel columns 11 on the front side of the steel structure shaft body 1 through the first fixing pieces 23, so as to ensure that the two corridor connecting beams 22 are stably connected with the steel columns 11.
[0035] The other end of each corridor connecting beam 22 is slidably provided with a second fixing piece 24, and the second fixing piece 24 is fixedly installed on the facade of the existing building; specifically, the end of each corridor connecting beam 22 is vertically provided with a waist-shaped hole 25 for the sliding of the second fixing piece 24, and the waist-shaped hole 25 is provided with a sliding gasket 26, and the sliding gasket 26 is annular; the two sides of the sliding gasket 26 are provided with first anti-skid gaskets 27; the connection between the corridor connecting beam 22 and the second fixing piece 24 is further provided with a locking bolt 28, the locking bolt 28 passes through the first anti-skid gaskets 27, the sliding gasket 26 and the first anti-skid gasket 27 on the other side of the sliding gasket 26 in sequence, and locks the corridor connecting beam 22 and the second fixing piece 24.
[0036] By slidably connecting the corridor assembly 2 with the existing building, when the steel structure shaft body 1 has settlement or slight deformation due to thermal expansion and contraction, the corridor assembly 2 can vertically slide, which can effectively prevent the force of the steel structure shaft body 1 from being applied to the existing building, thereby preventing the structure of the existing building from being damaged.
[0037] Furthermore, a second diagonal brace 4 is provided below each connecting corridor component 2. The upper end of the second diagonal brace 4 is fixed to the lower side of the sill beam 16, and the lower end of the second diagonal brace 4 is fixed to the steel column 11 on the rear side of the steel structure shaft body 1. The structural stability of the steel structure shaft body 1 is further improved by setting the second diagonal brace 4.
[0038] As attached Figures 1-2 As shown, multiple foundation pit installation components 3 are provided, and multiple foundation pit installation components 3 are respectively fixedly installed on the bottom of multiple steel columns 11. Specifically, each foundation pit installation component 3 includes a base plate 31, a template 32, a horizontal adjusting nut (not shown in the figure because the horizontal adjusting nut is covered by the base plate), a locking nut 34, and an anchor bolt 35. The bottom end of the steel column 11 is fixed to the top surface of the base plate 31. In this embodiment, a reinforcing rib 311 is provided on the top surface of the base plate 31. The reinforcing rib 311 is connected and fixed to the bottom of the steel column 11, thereby enhancing the load-bearing capacity of the base plate 31 and the stability of the connection with the steel column 11.
[0039] Template 32 is located below base plate 31. Anchor bolt 35 is L-shaped, with the upper part of anchor bolt 35 penetrating through template 32 and base plate 31. Horizontal adjustment nut is sleeved on anchor bolt 35 between base plate 31 and template 32. Horizontal adjustment nut cooperates with anchor bolt 35 to adjust the levelness of base plate 31. Locking nut 34 is sleeved on the upper part of connecting screw 33. Locking nut 34 is used to lock base plate 31.
[0040] During installation, the anchor bolts 35 are first inserted into the template 32, and the anchor bolts 35 and template 32 are poured together into the concrete at the bottom of the foundation pit. Then, the base plate 31 is passed through the anchor bolts 35 from top to bottom. The leveling nut is then rotated to cooperate with the anchor bolts 35 to adjust the level of the base plate 31. After adjustment, the locking nut 34 is tightened to lock the base plate 31, thereby ensuring the stability of the entire steel structure shaft.
[0041] The upper part of the steel structure shaft body 1 is provided with multiple load-bearing beams 17. Both ends of each load-bearing beam 17 are fixed to the adjacent steel columns 11. The load-bearing beam 17 is used to support the weight of the elevator's related equipment and car.
[0042] A lifting beam 18 is provided in the middle of the top surface of the main body 1 of the steel structure shaft. The two ends of the lifting beam 18 are fixed on the opposite steel crossbeams 12. The lifting beam 18 is used to lift elevator-related equipment during installation and maintenance.
[0043] All components of the steel structure shaft described in this utility model are connected by bolts. Each component can be processed in the factory and treated with anti-corrosion measures such as hot-dip galvanizing, paint coating, and powder coating before being transported to the construction site for direct installation.
[0044] Compared with the prior art, the steel structure shaft of the scheme discards the traditional on-site welding assembly mode, all components are processed in the factory and are well prepared for corrosion treatment, the processing precision is improved while the corrosion resistance is ensured, the on-site direct bolt splicing assembly is adopted, the installation efficiency and installation precision are greatly improved, the construction period is shortened, and the construction cost is reduced; meanwhile, the noise and smoke pollution generated by the traditional on-site welding can be avoided, and the fire risk can be effectively avoided.
[0045] The above is only a specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model; any technical scheme formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.
Claims
1. A modular steel structure shaft for elevator installation, mounted on the exterior facade of an existing building, characterized in that: Include: The main body of the steel structure shaft (1) is formed by bolting together multiple steel columns (11), steel beams (12) and first diagonal bracing (13) to form a rectangular frame structure, and the interior of the rectangular frame structure forms a shaft space (14). Multiple connecting corridor components (2) are provided and are horizontally spaced along the height direction of the main body of the steel structure shaft (1). The multiple connecting corridor components (2) are used to connect the main body of the steel structure shaft (1) and the existing building. One end of each connecting corridor component (2) is fixedly installed on the front side of the main body of the steel structure shaft (1), and the other end is slidably connected to the exterior of the existing building. The foundation pit installation assembly (3) is provided in multiple units, and the multiple foundation pit installation assemblies (3) are respectively fixedly installed at the bottom of the multiple steel columns (11); each foundation pit installation assembly (3) includes a base plate (31), a template (32), a horizontal adjusting nut, a locking nut (34) and an anchor bolt (35). The bottom end of the steel column (11) is fixed to the top surface of the base plate (31). The template (32) is located below the base plate (31). The anchor bolt (35) is L-shaped, and the upper part of the anchor bolt (35) passes through the template (32) and the base plate (31). The horizontal adjusting nut is sleeved on the anchor bolt (35) between the base plate (31) and the template (32). The horizontal adjusting nut cooperates with the anchor bolt (35) to adjust the levelness of the base plate (31). The locking nut (34) is sleeved on the upper part of the anchor bolt (35) and is used to lock the base plate (31).
2. The modular steel structure shaft for elevator installation according to claim 1, characterized in that: The connecting corridor assembly (2) includes a connecting corridor crossbeam (21) and two connecting corridor connecting beams (22). The two connecting corridor connecting beams (22) are arranged parallel to each other. The connecting corridor crossbeam (21) is used to connect and fix the two connecting corridor connecting beams (22), and the connecting corridor crossbeam (21) is perpendicular to the connecting corridor connecting beams (22). One end of each connecting corridor connecting beam (22) is fixedly provided with a first fixing member (23). Both connecting corridor connecting beams (22) are fixed to the steel column (11) on the front side of the steel structure shaft body (1) by the first fixing member (23). The other end of each connecting corridor connecting beam (22) is slidably provided with a second fixing member (24). The second fixing member (24) is fixedly installed on the exterior facade of the existing building.
3. The modular steel structure shaft for elevator installation according to claim 2, characterized in that: Each of the connecting beams (22) of the corridor is vertically provided with a waist-shaped hole (25) for the second fixing member (24) to slide. A sliding pad (26) is provided in the waist-shaped hole (25). The sliding pad (26) is annular. A first anti-slip pad (27) is provided on both sides of the sliding pad (26). A locking bolt (28) is also provided at the connection between the connecting beam (22) and the second fixing member (24). The locking bolt (28) passes through the first anti-slip pad (27), the sliding pad (26) and the first anti-slip pad (27) located on the other side of the sliding pad (26) in sequence, and locks the connecting beam (22) and the second fixing member (24).
4. The modular steel structure shaft for elevator installation according to claim 1, characterized in that: The steel structure shaft body (1) has multiple equidistant keels (19) vertically arranged on the rear and left and right sides, and each keel (19) is fixed on the steel crossbeam (12).
5. The modular steel structure shaft for elevator installation according to claim 1, characterized in that: The front side of the main body of the steel structure shaft (1) is alternately provided with a door beam (15) and a sill beam (16) along its height direction. Both ends of the door beam (15) and the sill beam (16) are fixed to the steel column (11) on the front side of the main body of the steel structure shaft (1) by bolts. The position of the sill beam (16) corresponds to the position of the connecting corridor assembly (2).
6. The modular steel structure shaft for elevator installation according to claim 5, characterized in that: Each of the connecting corridor components (2) is provided with a second diagonal brace (4) at its lower end. The upper end of the second diagonal brace (4) is fixed to the lower side of the sill beam (16), and the lower end of the second diagonal brace (4) is fixed to the steel column (11) on the front side of the steel structure shaft body (1).
7. The modular steel structure shaft for elevator installation according to claim 5, characterized in that: Two door pillars (5) are fixedly installed between the upper side of the adjacent sill beam (16) and the lower side of the door beam (15). The two door pillars (5) are symmetrically arranged on both sides of the door beam (15), and the middle part of each door pillar (5) is fixed to the steel pillar (11) by a connector (6).
8. The modular steel structure shaft for elevator installation according to claim 1, characterized in that: The top surface of the base plate (31) is provided with reinforcing ribs (311), and the reinforcing ribs (311) are connected and fixed to the bottom of the steel column (11).
9. The modular steel structure shaft for elevator installation according to claim 1, characterized in that: The first diagonal bracing (13) on the rear side of the main body (1) of the steel structure shaft is connected end to end in sequence to form a Z-shaped structure.
10. A modular steel structure shaft for elevator installation according to claim 1, characterized in that: The upper part of the steel structure shaft body (1) is provided with multiple load-bearing beams (17), and both ends of each load-bearing beam (17) are fixed to the adjacent steel columns (11); a lifting beam (18) is provided in the middle of the top surface of the steel structure shaft body (1), and both ends of the lifting beam (18) are fixed to the opposite steel crossbeams (12).