House indoor elevator steel structure hoistway bending piece application device
The mortise and tenon-bolt composite connection structure solves the problem of reduced structural strength of elevator steel shaft bending components under vibration and impact loads, achieving a stable connection and easy installation, and improving the safety and adaptability of the elevator shaft.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-03-24
AI Technical Summary
Existing elevator steel shaft bending components are prone to weld fatigue cracks under long-term vibration and impact loads, leading to a decrease in structural strength, posing safety hazards, and complicated installation methods.
It adopts a mortise and tenon-bolt composite connection structure, which uses the precise fit of the tenon and mortise combined with high-strength bolts for fastening, replacing traditional welding. Combined with clamps, extension parts and limiting parts, the length can be adjusted to form a rigid integral connection.
It effectively disperses vibration and impact loads, improves the fatigue resistance of the structure, reduces the risk of fatigue cracks in welds, enhances the stability and safety of elevator steel structure shafts, and simplifies the installation process.
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Figure CN224030437U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator bending piece technical field especially relates to a kind of residential indoor elevator steel structure wellbore bending piece application device. BACKGROUND
[0002] With the acceleration of urbanization, as the core vertical transport tool of high-rise building, the stability and safety of the steel structure wellbore of elevator are crucial. As the key connecting component of the steel structure wellbore of elevator, the bending piece is widely used in the connection of vertical column and crossbeam and the fixation of guide rail support. However, the existing bending piece application device for steel structure wellbore of elevator still has many deficiencies. Some bending pieces are connected by traditional welding method, and the welds are prone to fatigue cracks due to the influence of vibration and impact load generated by long-term elevator operation, which leads to the decrease of structural strength and the existence of safety hazards. In view of the above reasons, the present application proposes a bending piece application device for steel structure wellbore of residential indoor elevator, which has stable connection effect and simple installation method. SUMMARY
[0003] The utility model aims at the problems in the background art, and proposes a bending piece application device for steel structure wellbore of residential indoor elevator, which has stable connection effect and simple installation method.
[0004] The technical scheme of the utility model is as follows: a bending piece application device for steel structure wellbore of residential indoor elevator, comprising a bending piece and an extension piece arranged on the inner side of the bending piece, wherein one end of the extension piece is fixedly connected with a tenon, and the end of the bending piece away from the extension piece is provided with a mortise matching in size.
[0005] A limiting piece is arranged between the extension piece and the bending piece for fixing the position of the extension piece after adjustment, wherein the limiting piece comprises a limiting plate and a pull plate, and the inner side of the bending piece is further provided with a clamping rod.
[0006] Optionally, the inner side of the bending piece is provided with a mounting groove, and a plurality of clamping rods are fixedly connected with the mounting groove.
[0007] Optionally, the mounting groove, the bending piece and the extension piece are all "L"-shaped structures, and the other inner wall of the mounting groove is connected with a guide plate.
[0008] Optionally, a guide groove is formed in the extension piece, and the guide plate is arranged in the guide groove and slides along the inner wall of the guide groove.
[0009] Optionally, a plurality of threaded holes are formed in the bending piece and the extension piece for fixed installation, and a bolt is rotatably connected in the threaded hole.
[0010] Optionally, a push block is fixedly connected to the inner side of the extension piece, and the limiting piece is installed below the push block.
[0011] Optionally, the inner wall of the extension piece is provided with a sliding cavity, the limiting plate is slidingly arranged in the sliding cavity, the other end of the limiting plate is connected with a pull rod penetrating through the sliding cavity, and one end of the pull rod is connected with a pull plate.
[0012] Optionally, one side of the pull plate is connected with springs located on both sides of the pull rod, and one end of the spring is fixedly connected with the side surface of the extension piece.
[0013] Compared with the prior art, the utility model has the following beneficial technical effects:
[0014] The utility model discloses a mortise-bolt composite connecting structure replaces traditional welding, sets up tenon and mortise on the bending piece, inserts the tenon into the corresponding mortise to realize preliminary positioning when splicing, and then fastens through high -strength bolt, and the connection of vertical column and crossbeam is taken as an example, and the tenon of the bending piece on the vertical column is accurately matched with the mortise of the bending piece of the crossbeam, and the high -strength bolt penetrates the mortise structure, makes the connecting part form rigid whole, effectively disperses stress, avoids local stress concentration, promotes structural fatigue resistance and improves the stability and safety of the elevator steel structure well.
[0015] Further, through the setting of the clamping rod, the extension piece and the limiting piece, the length of the whole application device can be adjusted, and the adjustment and use of the bending pieces of different lengths can be satisfied.
[0016] In conclusion, the mortise connecting mode of the utility model can effectively disperse the vibration and impact load generated during the operation of the elevator, avoid local stress concentration, significantly improve the structural fatigue resistance, reduce the risk of fatigue cracks at the weld, enhance the stability and safety of the elevator steel structure well, improve the installation efficiency and accuracy, and enhance the adaptability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The three-dimensional structure schematic diagram of the utility model is given.
[0018] Figure 2 The exploded structure schematic diagram of the utility model is given.
[0019] Figure 3 The other perspective view of the bending piece is given.
[0020] Figure 4 The cross-sectional front view schematic diagram of the utility model is given.
[0021] REFERENCE SIGNS:
[0022] 1, bending piece;10, mounting groove;11, guide plate;12, clamping rod;13, mortise;
[0023] 2, extension piece;20, guide groove;21, tenon;22, push block;23, sliding cavity;
[0024] 3. Bolt;
[0025] 4. Limiting member; 41, limiting plate; 42, pull rod; 43, pull plate; 44, spring. DETAILED DESCRIPTION
[0026] The technical solutions of the present disclosure will be described clearly and completely below in combination with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all the embodiments.
[0027] The components of the embodiments of the present disclosure generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed present disclosure, but only represents selected embodiments of the present disclosure.
[0028] Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present disclosure.
[0029] In the description of the present disclosure, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.
[0030] In the description of the present disclosure, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.
[0031] Embodiment 1
[0032] As Figures 1-3 shown, the utility model provides a kind of residential indoor elevator steel structure wellbore bending piece application device, including bending piece 1 and the extension piece 2 of setting in the inner side of bending piece 1, multiple threaded holes for its fixed installation are set up on bending piece 1, extension piece 2, threaded hole is rotatably connected with bolt 3, and the assembly between steel structure is realized by the setting of bolt 3;
[0033] As Figure 1As shown, one end of the extension piece 2 is fixedly connected with a tenon 21, and the end of the bending piece 1 away from the extension piece 2 is provided with a mortise 13 matching the size of the tenon 21.
[0034] In this embodiment, tenons 21 and mortises 13 of a unified model are arranged between the steel structure assemblies, and the tenon 21 and the mortise 13 are precisely matched to achieve preliminary positioning, and then a high-strength bolt 3 is fastened to make the connection part of the column and the beam form a rigid whole.
[0035] Embodiment 2
[0036] As shown, Figures 1-4 Based on the basis of embodiment 1, the mounting groove 10, the bending piece 1 and the extension piece 2 are all "L" shaped structures, the other inner wall of the mounting groove 10 is connected with a guide plate 11, the inner side surface of the bending piece 1 is provided with the mounting groove 10, and a plurality of clamping rods 12 are fixedly connected with the mounting groove 10; the extension piece 2 is provided with a guide groove 20, the guide plate 11 is arranged in the guide groove 20 and slides along the inner wall of the guide groove 20; and the purpose of length adjustment of the bending piece application device is achieved.
[0037] As shown, Figure 4 A limiting piece 4 is arranged between the extension piece 2 and the bending piece 1 to fix the position of the extension piece 2 after adjustment, the inner side surface of the extension piece 2 is fixedly connected with a push block 22, the push block 22 is arranged to stably push the extension piece 2 along the inner wall of the mounting groove 10 under the guidance of the guide plate 11, the limiting piece 4 is arranged below the push block 22, the limiting piece 4 includes a limiting plate 41 and a pull plate 43, the inner wall of the extension piece 2 is provided with a sliding cavity 23, the limiting plate 41 is slidingly arranged in the sliding cavity 23, the other end of the limiting plate 41 is connected with a pull rod 42 penetrating through the sliding cavity 23, one end of the pull rod 42 is connected with the pull plate 43, the inner side surface of the bending piece 1 is further provided with the clamping rod 12, one side of the pull plate 43 is connected with springs 44 located on both sides of the pull rod 42, and one end of the spring 44 is fixedly connected with the side surface of the extension piece 2.
[0038] In this embodiment, the pulling of the pull plate 43 causes the spring 44 to be stretched, and the pull rod 42 and the limiting plate 41 slide along the inner wall of the sliding cavity 23, so that the limiting plate 41 is separated from the clamping of the two clamping rods 12, and the push block 22 is pushed, so that the extension piece 2 is extended out of the bending piece 1, and the length is adjusted, and after being adjusted to the appropriate position, the pull plate 43 is loosened, and under the rebounding action of the spring 44, the limiting plate 41 is reset to Figure 4 As shown, since the clamping rod 12 is provided with a plurality of groups, the distance between the two clamping rods 12 can clamp the limiting plate 41, so that the length of the extension piece 2 is adjusted.
[0039] The above specific embodiments are only several optional embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A residential indoor elevator steel structure shaft bending piece application device, characterized in that, The utility model provides a kind of folding piece (1) and the extension piece (2) of being arranged in the inner side of folding piece (1), one end of the extension piece (2) is fixedly connected with tenon (21), the end of the folding piece (1) away from the extension piece (2) is provided with tenon groove (13) with size matching, and the extension piece (2) is arranged in the inner side of folding piece (1). Limiting piece (4) for fixing the position of extension piece (2) after adjustment is arranged between the extension piece (2) and the folding piece (1), the limiting piece (4) includes limiting plate (41) and pull plate (43), the inner side of the folding piece (1) is further provided with clamping rod (12).
2. A residential indoor elevator steel structure shaft bending member application device according to claim 1, characterized in that, The inner side of the folding piece (1) is provided with mounting groove (10), and a plurality of clamping rods (12) are fixedly connected with mounting groove (10).
3. A residential indoor elevator steel structure shaft bending member application apparatus according to claim 2, characterized in that, The mounting groove (10), the folding piece (1) and the extension piece (2) are all "L" shape structure, and the other inner wall of the mounting groove (10) is connected with guide plate (11).
4. A residential indoor elevator steel structure shaft bending member application apparatus according to claim 3, characterized in that, The extension piece (2) is provided with guide groove (20), and the guide plate (11) is arranged in the guide groove (20) and slides along the inner wall of the guide groove (20).
5. A residential indoor elevator steel structure shaft bending member application apparatus according to claim 1, characterized in that, The folding piece (1) and the extension piece (2) are provided with a plurality of threaded holes for fixed installation, and the threaded holes are rotatably connected with bolts (3).
6. A residential indoor elevator steel structure shaft bend application device according to claim 1, characterized in that, The inner side of the extension piece (2) is fixedly connected with push block (22), and the limiting piece (4) is installed below the push block (22).
7. A residential indoor elevator steel structure shaft bend application device according to claim 6, characterized in that, The inner wall of the extension piece (2) is provided with sliding cavity (23), the limiting plate (41) is slidably arranged in the sliding cavity (23), the other end of the limiting plate (41) is connected with pull rod (42) penetrating through the sliding cavity (23), and one end of the pull rod (42) is connected with pull plate (43).
8. A residential indoor elevator steel structure shaft bend application device according to claim 7, characterized in that, One side of the pull plate (43) is connected with spring (44) located on both sides of the pull rod (42), and one end of the spring (44) is fixedly connected with the side of the extension piece (2).