Bending device convenient to position and used for elevator guide rail production

By adopting bending devices with structures such as installation frames, bending strips and electric push rods in the production of elevator guides, the precise positioning of elevator guides is achieved, the problem of bending position deviation of elevator guides is solved, production efficiency is improved and material waste is reduced.

CN223159874UActive Publication Date: 2025-07-29LIYANG MAOJINGDA TECH CO LTD
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Patent Information

Application Number
CN202422351278.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-29
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The lack of positioning structure in the production process of existing elevator guides leads to bending position deviation and waste of materials.

Method used

A bending device including mounting frame, bending strip, bending groove, electric push rod and barrier strip is designed to achieve precise positioning of elevator guide rails through electric telescopic rods and limit blocks to ensure accurate bending position.

Benefits of technology

It minimizes the error in the bending position of the elevator guide rail, improves production efficiency, and avoids waste of materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bending device convenient to position for elevator guide rail production, which comprises a mounting frame, a bending strip and a bending groove are arranged on the inner side of the mounting frame, a mounting strip is arranged above the bending strip, a first electric push rod is arranged at the top of the mounting frame, the first electric push rod is connected with the mounting strip, and the first electric push rod is connected with the bending groove. A mounting plate is arranged below the bending groove, a connecting strip is arranged at the bottom of the bending groove, a connecting rail is arranged on the mounting plate, the connecting strip is in sliding connection with the connecting rail, a barrier strip is arranged on the rear portion of the inner side of the mounting frame, an electric telescopic rod is arranged on the rear portion of the mounting frame, and the electric telescopic rod is connected with the barrier strip. According to the elevator guide rail bending device, the barrier strip is pushed through the electric telescopic rod, so that the barrier strip limits the rear side of the elevator guide rail, the bending position of the elevator guide rail is guaranteed, positioning is convenient, and errors of the bending position are reduced to the maximum extent.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator guide rail production, in particular to a bending device convenient for positioning in elevator guide rail production. Background Technique

[0002] The elevator guide rail is a safety rail for the elevator to travel up and down in the hoistway. It is installed on the hoistway wall and fixedly connected to the hoistway wall by the guide rail frame and the guide rail support. The main function of the elevator guide rail is to provide guidance for the elevator car and the counterweight device to ensure their safe and stable up and down movement.

[0003] During the production of elevator guide rails, bending is usually required. When the current bending device bends the elevator guide rail, it is usually the staff who place the elevator guide rail. However, when placing it, there is no positioning structure, which may cause a certain deviation in the placement position of the elevator guide rail, and it cannot be used after bending, resulting in waste of materials. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a bending device convenient for positioning in elevator guide rail production to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bending device convenient for positioning in elevator guide rail production includes an installation frame. Inside the installation frame, a bending strip and a bending groove are provided. The bending strip is directly above the bending groove. Above the bending strip, an installation strip is provided. A screw rod is provided at the top of the bending strip. A through hole is provided on the installation strip. The screw rod passes through the through hole. A first electric push rod is provided at the top of the installation frame. The first electric push rod is connected to the installation strip. Below the bending groove, an installation plate is provided. A connecting strip is provided at the bottom of the bending groove. A connecting rail is provided on the installation plate. The connecting strip and the connecting rail are slidably connected. A stop strip is provided at the rear inside of the installation frame. An electric telescopic rod is provided at the rear of the installation frame. The electric telescopic rod is connected to the stop strip.

[0007] In a preferred embodiment of the utility model, a bottom plate is provided below the installation frame. An electric lifting rod is provided on the bottom plate. The electric lifting rod is connected to the bottom of the installation frame.

[0008] In a preferred embodiment of the utility model, a nut is provided above the through hole. The nut is threadedly connected to the screw rod.

[0009] In a preferred embodiment of the utility model, a second electric push rod is provided at the bottom inside of the installation frame. The second electric push rod is connected to the installation plate.

[0010] In a preferred embodiment of the present utility model, an activity port is arranged outside the bending groove, an activity bolt is arranged inside the activity port, and the activity bolt is movably connected with the activity port.

[0011] In a preferred embodiment of the present utility model, a bolt is arranged on the activity bolt, a screw port is arranged outside the mounting plate, and the bolt is in threaded connection with the screw port.

[0012] In a preferred embodiment of the present utility model, first limiting blocks are arranged on both sides of the mounting strip and the mounting plate, first limiting rails are arranged on both sides inside the mounting frame, and the first limiting blocks are slidably connected with the first limiting rails.

[0013] In a preferred embodiment of the present utility model, second limiting rails are arranged on both sides at the rear inside the mounting frame, second limiting blocks are arranged on both sides of the retaining strip, and the second limiting blocks are slidably connected with the second limiting rails.

[0014] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the present utility model.

[0015] Beneficial effects: The bending strip is fixed by passing a screw rod through the through hole and tightening a nut on the screw rod, and different forms of bending strips and bending grooves can be replaced, so as to facilitate use in different situations. When in use, the elevator guide rail is placed on the bending groove, and the retaining strip is pushed by an electric telescopic rod, so that the retaining strip limits the rear side of the elevator guide rail, thereby ensuring the bending position of the elevator guide rail, that is, facilitating positioning, so as to minimize the error at the bending position to the greatest extent. The second limiting rail limits the second limiting block, so that the retaining strip remains stable when telescoping.

[0016] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it according to the content of the description, the following takes the preferred embodiments of the present utility model and combines with the drawings to describe in detail as follows. The specific implementation manners of the present utility model are given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 It is a schematic diagram of the main structure in a bending device for facilitating positioning in the production of elevator guide rails;

[0019] Figure 2Schematic diagram of the bending bar and bending groove structure in a bending device for convenient positioning in the production of elevator guide rails;

[0020] Figure 3 Schematic diagram of the mounting bar and mounting plate structure in a bending device for convenient positioning in the production of elevator guide rails;

[0021] Figure 4 Schematic diagram of the retaining bar mounting structure in a bending device for convenient positioning in the production of elevator guide rails.

[0022] In the figure: 1, mounting frame; 11, bottom plate; 12, bending bar; 13, bending groove; 14, electric lifting rod; 2, mounting bar; 21, first electric push rod; 22, screw rod; 23, nut; 24, through hole; 3, mounting plate; 31, second electric push rod; 32, connecting rail; 33, connecting bar; 34, movable hole; 4, screw hole; 41, movable bolt; 42, bolt; 43, first limiting block; 44, first limiting rail; 45, second limiting rail; 5, retaining bar; 51, electric telescopic rod; 52, second limiting block. Detailed implementation method

[0023] The following details the embodiments of the present invention. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0024] Please refer to Figures 1-4 , a bending device for convenient positioning in the production of elevator guide rails of the present invention, including a mounting frame 1. The mounting frame 1 is the mounting structure of the device and is used for mounting other structures. Inside the mounting frame 1, there are a bending bar 12 and a bending groove 13. The bending bar 12 and the bending groove 13 are the main structures of the device and are used for bending the elevator guide rails. The bending bar 12 is directly above the bending groove 13. Above the bending bar 12, there is a mounting bar 2, and below the bending groove 13, there is a mounting plate 3. The mounting bar 2 and the mounting plate 3 are mounting structures and are used to mount the bending bar 12 and the bending groove 13 respectively. Below the mounting frame 1, there is a bottom plate 11. On the bottom plate 11, there is an electric lifting rod 14. The electric lifting rod 14 is connected to the bottom of the mounting frame 1. The bottom plate 11 is used to support the overall structure and drive the device to lift through the electric lifting rod 14, so as to facilitate use by different people.

[0025] A retaining strip 5 is provided at the rear inside of the installation frame 1, and an electric telescopic rod 51 is provided at the rear of the installation frame 1. The electric telescopic rod 51 is connected to the retaining strip 5. When placing the elevator guide rail, the retaining strip 5 is pushed by the electric telescopic rod 51, so that the retaining strip 5 limits the rear side of the elevator guide rail, ensuring the bending position of the elevator guide rail, which is convenient for positioning and minimizing the error at the bending position to the greatest extent. Second limiting rails 45 are provided on both sides at the rear inside of the installation frame 1, and second limiting blocks 52 are provided on both sides of the retaining strip 5. The second limiting blocks 52 are slidably connected to the second limiting rails 45, that is, the second limiting rails 45 limit the second limiting blocks 52, so that the retaining strip 5 remains stable when telescoping.

[0026] A connecting strip 33 is provided at the bottom of the bending groove 13, a connecting rail 32 is provided on the mounting plate 3, and the connecting strip 33 is slidably connected to the connecting rail 32. A second electric push rod 31 is provided at the bottom inside of the installation frame 1, and the second electric push rod 31 is connected to the mounting plate 3. An activity port 34 is provided outside the bending groove 13, and an activity bolt 41 is provided inside the activity port 34. The activity bolt 41 is movably connected to the activity port 34, that is, the activity bolt 41 is stuck in the activity port 34 and rotates. A bolt 42 is provided on the activity bolt 41, and a threaded port 4 is provided outside the mounting plate 3. The bolt 42 is threadedly connected to the threaded port 4. That is, the bending groove 13 is installed on the mounting plate 3 by connecting the connecting strip 33 to the connecting rail 32, and by rotating the activity bolt 41, the bolts 42 on both sides are connected to the threaded port 4 to fix the bending groove 13, and the mounting plate 3 and the bending groove 13 are driven by the second electric push rod 31 to be adjusted to a suitable position.

[0027] A screw rod 22 is provided at the top of the bending strip 12, a through hole 24 is provided on the mounting strip 2, a nut 23 is provided above the through hole 24, and the nut 23 is threadedly connected to the screw rod 22. The screw rod 22 passes through the through hole 24, and the nut 23 is tightened on the screw rod 22 to fix the bending strip 12, and different forms of bending strips 12 and bending grooves 13 can be replaced, which is convenient for use in different situations. A first electric push rod 21 is provided at the top of the installation frame 1, and the first electric push rod 21 is connected to the mounting strip 2. That is, the mounting strip 2 is pushed by the first electric push rod 21, so that the bending strip 12 and the bending groove 13 bend the elevator guide rail. First limiting blocks 43 are provided on both sides of the mounting strip 2 and the mounting plate 3, and first limiting rails 44 are provided on both sides inside the installation frame 1. The first limiting blocks 43 are slidably connected to the first limiting rails 44, that is, the first limiting rails 44 limit the first limiting blocks 43, so that the mounting strip 2 and the mounting plate 3 remain stable when sliding.

[0028] The working principle of the utility model is as follows: The bending groove 13 is installed on the mounting plate 3 by connecting the connecting rail 32 through the connecting bar 33. By rotating the movable bolt 41, the bolts 42 on both sides are connected to the screw threads 4, so as to fix the bending groove 13. The mounting plate 3 and the bending groove 13 are driven by the second electric push rod 31 to be adjusted to a proper position. The screw rod 22 passes through the through hole 24, and the nut 23 is tightened on the screw rod 22, so as to fix the bending bar 12. Different forms of bending bars 12 and bending grooves 13 can be replaced, so as to be convenient for use in different situations. When in use, the elevator guide rail is placed on the bending groove 13. The retaining bar 5 is pushed by the electric telescopic rod 51, so that the retaining bar 5 limits the rear side of the elevator guide rail, thus ensuring the bending position of the elevator guide rail. The second limiting rail 45 limits the second limiting block 52, so that the retaining bar 5 keeps stable when telescoping. After the elevator guide rail is placed well, the mounting bar 2 is pushed by the first electric push rod 21, so that the bending bar 12 and the bending groove 13 bend the elevator guide rail. The first limiting rail 44 limits the first limiting block 43, so that the mounting bar 2 and the mounting plate 3 keep stable when sliding.

[0029] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A bending device for conveniently positioning in the production of elevator guide rails, including an installation frame (1), characterized in that: Inside the installation frame (1), there are bending strips (12) and bending grooves (13). The bending strip (12) is directly above the bending groove (13). Above the bending strip (12), there is an installation strip (2). At the top of the bending strip (12), there is a screw rod (22). On the installation strip (2), there is a through hole (24). The screw rod (22) passes through the through hole (24). At the top of the installation frame (1), there is a first electric push rod (21). The first electric push rod (21) is connected to the installation strip (2). Below the bending groove (13), there is an installation plate (3). At the bottom of the bending groove (13), there is a connecting strip (33). On the installation plate (3), there is a connecting rail (32). The connecting strip (33) is slidably connected to the connecting rail (32). At the rear inside of the installation frame (1), there is a stop strip (5). At the rear of the installation frame (1), there is an electric telescopic rod (51). The electric telescopic rod (51) is connected to the stop strip (5).

2. The bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, Below the installation frame (1), there is a bottom plate (11). On the bottom plate (11), there is an electric lifting rod (14). The electric lifting rod (14) is connected to the bottom of the installation frame (1).

3. A bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, Above the through hole (24), there is a nut (23). The nut (23) is threadedly connected to the screw rod (22).

4. A bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, At the bottom inside of the installation frame (1), there is a second electric push rod (31). The second electric push rod (31) is connected to the installation plate (3).

5. A bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, Outside the bending groove (13), there is a movable opening (34). Inside the movable opening (34), there is a movable bolt (41). The movable bolt (41) is movably connected to the movable opening (34).

6. The bending device for conveniently positioning in the production of elevator guide rails according to claim 5, characterized in that, On the movable bolt (41), there is a bolt (42). Outside the installation plate (3), there is a threaded opening (4). The bolt (42) is threadedly connected to the threaded opening (4).

7. A bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, On both sides of the installation strip (2) and the installation plate (3), there are first limit blocks (43). Inside both sides of the installation frame (1), there are first limit rails (44). The first limit blocks (43) are slidably connected to the first limit rails (44).

8. A bending device for conveniently positioning in the production of elevator guide rails according to claim 1, characterized in that, On both sides at the rear inside of the installation frame (1), there are second limit rails (45). On both sides of the stop strip (5), there are second limit blocks (52). The second limit blocks (52) are slidably connected to the second limit rails (45).