Steel column connecting structure of additionally-built elevator steel structure hoistway of existing building

Abstract

The utility model relates to the technical field of steel column connection of an elevator shaft, in particular to a steel column connection structure of an additionally-built elevator steel structure shaft of an existing building. Comprising an upper column and a lower column in butt joint with the upper column, the lower end of the upper column is sleeved with an outer sleeve fixedly connected with the upper column, the upper portion of the lower column is embedded into the outer sleeve, and a locking mechanism used for locking the lower column and the outer sleeve is arranged between the lower column and the outer sleeve. The outer sleeve is fixedly connected with the upper column in advance, the lower column can be embedded into the outer sleeve, the problem that positioning is inconvenient due to the fact that the lower column and the upper column are directly welded in the past is solved, then the outer sleeve and the lower column are locked through the locking mechanism, the problem that site welding and construction are inconvenient in the past is solved, and the construction method has the advantages of being simple and efficient in construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the steel column connection technical field of elevator shaft, specifically relates to a steel column connection structure of existing building added elevator steel structure shaft.

BACKGROUND TECHNIQUE

[0002] In most cities in China, there are still buildings that were not planned to have elevators when they were built, and now this part of existing buildings still has a certain design residence life, with the development of economy and the increase of residents' age, these buildings without installation are not perfect in function, which causes great inconvenience to users' travel. Under this background, how to quickly install an elevator on similar residential buildings, the elevator shaft as the channel for the elevator to run up and down is particularly important for the above-mentioned residential building elevator, because this type of elevator can only be installed outside the building during installation, so the entire steel structure elevator shaft is a necessary guarantee for the safety and stability of the operation of this type of elevator.

[0003] At present, integrated steel structure shaft has become the preferred elevator shaft structure for installing elevators, each elevator shaft structure is vertically stacked by multiple elevator shaft units, and the elevator shaft adopts hoisting process during installation, the upper and lower shaft units are connected in the air, each shaft unit includes four shaft columns, and the four shaft columns are welded at the connecting part. The welding method requires high welding process, and the precision and quality of on-site processing are poor, so that the quality of the steel structure elevator shaft is difficult to guarantee, and is greatly affected by the climate environment, resulting in long construction time, large on-site construction noise, environmental pollution and influence on the health of workers, also affecting the rest of residents, and subsequent disassembly and assembly are not convenient.

[0004] In view of the above technical problems, the utility model is hereby researched and proposed.

UTILITARY MODEL CONTENTS

[0005] The utility model wants to solve the technical problem to provide a kind of steel column connection structure of existing building added elevator steel structure shaft, by setting outer sleeve pre-fixed connection with upper column, lower column can be embedded in outer sleeve, solve the problem of the inconvenient positioning of the direct welding of lower column and upper column in the past, again by setting locking mechanism, outer sleeve and lower column are locked, solve the problem of the inconvenient construction of the on-site welding in the past, with the advantages of simple and efficient construction.

[0006] To solve the above technical problems, the utility model provides a kind of steel column connection structure of existing building added elevator steel structure shaft, including upper column and the lower column of the butt joint of upper column, the lower end of upper column is sleeved with the fixed connection of outer sleeve, lower column upper part is embedded in outer sleeve, locking mechanism is arranged between lower column and outer sleeve for locking the two.

[0007] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the upper column and the lower column are both square tube structures, and the outer sleeve is also a square tube structure, the locking mechanism is provided with at least two locking mechanisms, and the two locking mechanisms are correspondingly distributed on the side surfaces of the two opposite sides of the outer sleeve to lock the side surfaces of the corresponding outer sleeve and the side surfaces of the lower column.

[0008] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the two locking mechanisms are symmetrically arranged.

[0009] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the locking mechanism comprises a first fixing hole formed on the side surface of the outer sleeve and a second fixing hole formed on the side surface of the lower column corresponding to the side surface of the outer sleeve, and the first fixing hole and the second fixing hole correspond after the upper column and the lower column are butted, and the locking mechanism further comprises a locking assembly penetrating through the first fixing hole and the second fixing hole to lock the side surface of the outer sleeve and the side surface of the lower column.

[0010] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the locking assembly comprises a bolt and a nut matched with the bolt, the first fixing hole comprises a lower fixing hole through which the head of the bolt passes, and a transition hole in communication with the lower fixing hole and only allowing the screw rod of the bolt to pass, the transition hole extends transversely and has a locking hole only allowing the screw rod of the bolt to pass, and the second fixing hole is the same in shape as the first fixing hole.

[0011] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, a rotation-preventing part is formed on the screw rod of the bolt to prevent the bolt from rotating when being locked.

[0012] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the abutment of the top of the lower column and the bottom of the upper column makes the first fixing hole and the second fixing hole just align.

[0013] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the butting position of the upper column and the lower column is located at the middle position of the outer sleeve.

[0014] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the first fixing hole on the outer sleeve is formed on the lower end of the outer sleeve.

[0015] The steel column connecting structure of the steel structure shaft of the elevator added to the existing building, the outer sleeve and the upper column are connected by welding.

[0016] Compared with the prior art, the steel column connecting structure of the steel structure shaft of the elevator added to the existing building has the following advantages:

[0017] 1、The outer sleeve and the upper column can be fixed in advance in the factory, without the need for installation on the construction site, facilitating the installation of the staff and improving the work efficiency. When installing the upper column and the lower column on site, the outer sleeve and the lower column can be directly connected and fixed through the locking mechanism, facilitating the installation of the staff. Compared with the previous way of directly connecting the lower column and the upper column through welding on site, the operation can be more convenient, and the lower column can be directly embedded in the outer sleeve, facilitating positioning and installation for the user.

[0018] 2、The lower column and the outer sleeve are connected through the locking mechanism in the application, and then the upper column, the lower column and the outer sleeve are connected into one, without the need for welding in the elevator shaft and without the need for welding in a narrow environment, avoiding the influence of welding on the health of the construction personnel.

[0019] 3、The lower column can be embedded in the lower part of the outer sleeve, and the top of the lower column is abutted by the upper column, facilitating the alignment of the staff and reducing the construction difficulty.

BRIEF DESCRIPTION OF DRAWINGS

[0020] The specific embodiments of the utility model will be further described in detail below in combination with the drawings, in which:

[0021] Figure 1 is a structural schematic view of the utility model.

[0022] Figure 2 is a structural schematic view of the first fixing hole in the utility model.

[0023] Figure 3 is an exploded structural schematic view of the utility model.

[0024] Figure 4 is a structural schematic view of the lower column in the utility model.

[0025] Figure 5 is Figure 4 is an enlarged structural schematic view of A in the figure.

[0026] Figure 6 is a structural schematic view of the locking mechanism in the utility model.

[0027] Figure 7 is a structural schematic view of the locking assembly in the utility model.

[0028] In the figure: 1, upper column; 2, lower column; 3, outer sleeve; 4, locking mechanism; 40, first fixing hole; 400, lower fixing hole; 401, transition hole; 402, locking hole; 41, second fixing hole; 42, locking assembly; 420, bolt; 421, nut; 43, rotation stopping part.

DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below with reference to the drawings.

[0030] As shown in Figures 1-7 the utility model discloses a kind of steel column connection structure of existing building additional elevator steel structure shaft, including upper column 1 and the lower column 2 of butt joint with upper column 1, the lower end of upper column 1 is sleeved with the outer sleeve 3 of fixed connection with it, lower column 2 upper portion is embedded in outer sleeve 3, locking mechanism 4 for locking the two is provided between lower column 2 and outer sleeve 3. Outer sleeve 3 and upper column 1 in the process of fixing, outer sleeve 3 and upper column 1 form a whole by welding in advance in factory, subsequent transport to the scene, it can be directly connected and fixed by locking mechanism 4 between outer sleeve 3 and lower column 2, facilitate staff to install, compared with the prior art, lower column 2 can be directly embedded in outer sleeve 3, facilitate positioning, facilitate user to install.

[0031] As shown in Figure 3 , Figure 6 As a further scheme of the embodiment, upper column 1 and lower column 2 are both square tube structures, and correspondingly, outer sleeve 3 is also a square tube structure. By setting upper column 1, lower column 2 and outer sleeve 3 as square tube structures, relative rotation between the two can be prevented after lower column 2 is sleeved into outer sleeve 3. In the embodiment, locking mechanism 4 is provided at least in two, and the two locking mechanisms 4 are respectively distributed on the sides of the two opposite sides of outer sleeve 3, so as to lock the sides of corresponding outer sleeve 3 and lower column 2. By setting a pair of locking mechanisms 4 to lock upper column 1 and lower column 2, and by respectively distributing locking mechanisms 4 on the sides of the opposite outer sleeves 3, the stress can be more balanced. In addition, locking mechanism 4 can also be provided in four, so that each side of outer sleeve 3 is provided, so as to lock each side of outer sleeve 3 and the corresponding side of lower column 2, so that the connection between lower column 2 and outer sleeve 3 can be more firm. In the embodiment, when locking mechanism 4 is provided in two, the two locking mechanisms 4 are symmetrically arranged. Similarly, when locking mechanism 4 is provided in four, locking mechanisms 4 are respectively distributed on the corresponding sides, and the two pairs of locking mechanisms 4 are also symmetrically arranged.

[0032] As shown in Figure 3As shown in the figure, as a further scheme of the present embodiment, the locking mechanism 4 comprises a first fixed hole 40 formed on the side of the outer sleeve 3, and a second fixed hole 41 formed on the side of the lower column 2 corresponding to the side of the outer sleeve 3, and after the upper column 1 is butted against the lower column 2, the first fixed hole 40 corresponds to the second fixed hole 41, and the locking mechanism 4 further comprises a locking assembly 42 penetrating through the first fixed hole 40 and the second fixed hole 41 to lock the side of the outer sleeve 3 and the side of the lower column 2. In the present embodiment, the first fixed hole 40 is arranged on the side of the outer sleeve 3, and the second fixed hole 41 is arranged on the side of the lower column 2, and the shape of the second fixed hole 41 corresponds to that of the first fixed hole 40, and the locking assembly 42 is connected through the first fixed hole 40 and the second fixed hole 41.

[0033] As shown in the figure, as a further scheme of the present embodiment, the locking mechanism 4 comprises a first fixed hole 40 formed on the side of the outer sleeve 3, and a second fixed hole 41 formed on the side of the lower column 2 corresponding to the side of the outer sleeve 3, and after the upper column 1 is butted against the lower column 2, the first fixed hole 40 corresponds to the second fixed hole 41, and the locking mechanism 4 further comprises a locking assembly 42 penetrating through the first fixed hole 40 and the second fixed hole 41 to lock the side of the outer sleeve 3 and the side of the lower column 2. In the present embodiment, the first fixed hole 40 is arranged on the side of the outer sleeve 3, and the second fixed hole 41 is arranged on the side of the lower column 2, and the shape of the second fixed hole 41 corresponds to that of the first fixed hole 40, and the locking assembly 42 is connected through the first fixed hole 40 and the second fixed hole 41. Figures 3 to 7 As shown in the figure, as a further scheme of the present embodiment, the locking mechanism 4 comprises a first fixed hole 40 formed on the side of the outer sleeve 3, and a second fixed hole 41 formed on the side of the lower column 2 corresponding to the side of the outer sleeve 3, and after the upper column 1 is butted against the lower column 2, the first fixed hole 40 corresponds to the second fixed hole 41, and the locking mechanism 4 further comprises a locking assembly 42 penetrating through the first fixed hole 40 and the second fixed hole 41 to lock the side of the outer sleeve 3 and the side of the lower column 2. In the present embodiment, the first fixed hole 40 is arranged on the side of the outer sleeve 3, and the second fixed hole 41 is arranged on the side of the lower column 2, and the shape of the second fixed hole 41 corresponds to that of the first fixed hole 40, and the locking assembly 42 is connected through the first fixed hole 40 and the second fixed hole 41.

[0034] As shown in the figure, as a further scheme of the present embodiment, the locking mechanism 4 comprises a first fixed hole 40 formed on the side of the outer sleeve 3, and a second fixed hole 41 formed on the side of the lower column 2 corresponding to the side of the outer sleeve 3, and after the upper column 1 is butted against the lower column 2, the first fixed hole 40 corresponds to the second fixed hole 41, and the locking mechanism 4 further comprises a locking assembly 42 penetrating through the first fixed hole 40 and the second fixed hole 41 to lock the side of the outer sleeve 3 and the side of the lower column 2. In the present embodiment, the first fixed hole 40 is arranged on the side of the outer sleeve 3, and the second fixed hole 41 is arranged on the side of the lower column 2, and the shape of the second fixed hole 41 corresponds to that of the first fixed hole 40, and the locking assembly 42 is connected through the first fixed hole 40 and the second fixed hole 41. Figure 7 As shown in the figure, as a further scheme of the present embodiment, the locking mechanism 4 comprises a first fixed hole 40 formed on the side of the outer sleeve 3, and a second fixed hole 41 formed on the side of the lower column 2 corresponding to the side of the outer sleeve 3, and after the upper column 1 is butted against the lower column 2, the first fixed hole 40 corresponds to the second fixed hole 41, and the locking mechanism 4 further comprises a locking assembly 42 penetrating through the first fixed hole 40 and the second fixed hole 41 to lock the side of the outer sleeve 3 and the side of the lower column 2. In the present embodiment, the first fixed hole 40 is arranged on the side of the outer sleeve 3, and the second fixed hole 41 is arranged on the side of the lower column 2, and the shape of the second fixed hole 41 corresponds to that of the first fixed hole 40, and the locking assembly 42 is connected through the first fixed hole 40 and the second fixed hole 41.

[0035] As a further embodiment, the joint position between the upper column 1 and the lower column 2 is located in the middle of the outer sleeve 3. Setting the joint position between the upper column 1 and the lower column 2 in the middle of the outer sleeve 3 can make the force on the outer sleeve 3 more even.

[0036] like Figure 3 As shown, as a further embodiment, the first fixing hole 40 on the outer sleeve 3 is formed on the lower end of the outer sleeve 3. Forming the first fixing hole 40 on the lower end of the outer sleeve 3 facilitates the opening of the hole during production.

Claims

1. A steel column connection structure for adding an elevator shaft to an existing building, comprising an upper column (1) and a lower column (2) connected to the upper column (1), characterized in that... The lower end of the upper column (1) is fitted with an outer sleeve (3) which is fixedly connected to it. The upper part of the lower column (2) is embedded in the outer sleeve (3). A locking mechanism (4) for locking the two is provided between the lower column (2) and the outer sleeve (3). The locking mechanism (4) includes a first fixing hole (40) formed on the side of the outer sleeve (3) and a second fixing hole (41) formed on the side of the lower column (2) corresponding to the side of the outer sleeve (3). After the upper column (1) and the lower column (2) are connected, the first fixing hole (40) and the second fixing hole (41) correspond to each other. The locking mechanism (4) also includes a locking component (42) that passes through the first fixing hole (40) and the second fixing hole (41) to lock the side of the outer sleeve (3) and the side of the lower column (2).

2. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to claim 1, characterized in that... Both the upper column (1) and the lower column (2) are square tube structures. Correspondingly, the outer sleeve (3) is also a square tube structure. There are at least two locking mechanisms (4). The two locking mechanisms (4) are respectively distributed on the two opposite sides of the outer sleeve (3) to lock the corresponding side of the outer sleeve (3) and the side of the lower column (2).

3. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to claim 2, characterized in that... The two locking mechanisms (4) are symmetrically arranged.

4. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to claim 1, characterized in that... The locking assembly (42) includes a bolt (420) and a nut (421) that mates with the bolt (420). The first fixing hole (40) includes a lower fixing hole (400) through which the head of the bolt (420) passes, and a transition hole (401) that communicates with the lower fixing hole (400) and is only for the thread of the bolt (420) to pass through. The transition hole (401) extends laterally to a locking hole (402) through which only the thread of the bolt (420) passes. The second fixing hole (41) has the same shape as the first fixing hole (40).

5. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to claim 4, characterized in that... The bolt (420) has an anti-rotation part (43) formed on its threaded part, which engages with the locking hole (402) to prevent the bolt (420) from rotating when it is locked.

6. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to claim 4 or 5, characterized in that... The top of the lower column (2) abuts against the bottom of the upper column (1) so that the first fixing hole (40) and the second fixing hole (41) are exactly aligned.

7. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to any one of claims 4 or 5, characterized in that... The joint between the upper column (1) and the lower column (2) is located in the middle of the outer sleeve (3).

8. The steel column connection structure for adding an elevator steel structure shaft to an existing building according to any one of claims 4 or 5, characterized in that... The first fixing hole (40) located on the outer sleeve (3) is formed on the lower end of the outer sleeve (3).

9. A steel column connection structure for adding an elevator steel structure shaft to an existing building according to any one of claims 1 to 5, characterized in that... The outer sleeve (3) and the upper column (1) are connected by welding.

Images