Elevator guide rail straightening device

Abstract

The utility model discloses an elevator guide rail straightening device which comprises a supporting frame and a movable straightening box. A driving motor is fixedly installed on the upper side of the rear end of the supporting frame in a supporting mode, a first transmission chain wheel is fixedly installed on a transmission shaft part at the rear end of the driving motor, a second chain wheel is in transmission connection with the outer end of the first transmission chain wheel through a chain, and a transmission screw is fixedly installed in the middle of the second chain wheel; limiting straight sliding rails are fixedly installed on the two sides of the upper end of the supporting frame, and limiting straight sliding grooves are movably connected to the upper ends of the limiting straight sliding rails in a limiting fit mode. A gear motor is fixedly installed at the bottom in the movable straightening box, a transmission shaft part at the side end of the gear motor penetrates through the outer side wall of the movable straightening box to be fixedly provided with a first transmission belt wheel, and the outer end of the first transmission belt wheel is in transmission connection with a second transmission belt wheel through a belt. According to the elevator guide rail straightening device, the elevator guide rails with different lengths can be straightened conveniently while the elevator guide rails are straightened.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator equipment manufacturing and maintenance technical field, concretely is a kind of elevator guide rail straightening device. BACKGROUND

[0002] Elevator guide rails, as an important component of elevator systems, provide guidance and support for elevator cars and counterweights when they run in the vertical direction. They are usually made of high-strength steel materials with precise cross-sectional shapes and dimensions to ensure the stability and safety of elevators in the vertical direction. Elevator guide rails are typically installed in pairs on both sides of the elevator shaft, forming the tracks for elevator operation. The main functions of elevator guide rails include:

[0003] Guiding: Elevator guide rails provide a clear path for elevator cars and counterweights to run. They ensure that elevators run smoothly along the predetermined tracks in the vertical direction without deviation or shaking. Supporting: Elevator guide rails not only provide guidance but also bear the weight of elevator cars and counterweights. They must be strong enough to withstand various forces and moments generated during elevator operation. Safety:

[0004] In the event of abnormal situations (such as overspeed, loss of control, etc.) in elevators, elevator guide rails can serve as the surface for emergency braking devices (such as safety gears) to help the elevator stop running quickly and protect the safety of passengers. Reducing noise and vibration: Precise installation and good maintenance of elevator guide rails can reduce noise and vibration during elevator operation, improving passenger comfort. Improving elevator operation efficiency: By ensuring smooth operation of elevators on predetermined tracks, elevator guide rails help improve the efficiency of elevator operation and reduce energy consumption

[0005] However, in actual use, the straightness and accuracy of elevator guide rails, as an important component of elevator systems, directly affect the smoothness and safety of elevator operation. However, during production or installation of elevator guide rails, they may be bent or deformed due to various reasons, requiring straightening treatment. Traditional straightening methods usually rely on manual operation, which is not only inefficient but also difficult to achieve high-precision straightening. In addition, different models of elevator guide rails have different lengths, and traditional straightening equipment often lacks flexibility, making it difficult to adapt to guide rails of different lengths. SUMMARY

[0006] The utility model discloses a purpose lies in providing a kind of elevator guide rail straightening device, to solve the elevator guide rail as the important component of elevator system in the background art, its straightness and accuracy directly influence the stability and safety of elevator operation. However, elevator guide rail in production or installation process, it can be bent or deformed due to various reasons, need to be straightened processing.The traditional straightening method usually relies on manual operation, not only inefficient, but also difficult to achieve high-precision straightening.In addition, the length of different models of elevator guide rail is different, and the traditional straightening equipment often lacks flexibility, making it difficult to adapt to guide rails of different lengths.

[0007] To achieve the above object, the utility model provides the following technical scheme: including support frame and mobile straightening box;

[0008] The driving motor is fixedly installed on the upper side of the rear end of the support frame, a first transmission sprocket is fixedly installed on the rear end transmission shaft of the driving motor, a second sprocket is connected to the outer end of the first transmission sprocket through a chain transmission, a transmission screw is fixedly installed on the middle part of the second sprocket, limit straight slides are movably connected to the upper end of the limit straight slides fixedly installed on both sides of the upper end of the support frame;

[0009] The reduction motor is fixedly installed on the inner bottom of the mobile straightening box, a first transmission pulley is fixedly installed on the side end transmission shaft of the reduction motor, a second transmission pulley is connected to the outer end of the first transmission pulley through a belt transmission, a lower transmission shaft column is fixedly installed on the middle part of the second transmission pulley, a lower straightening roller for straightening the lower end of the elevator guide rail is fixedly installed on the outer curved surface of the middle part of the lower transmission shaft column, a lower transmission gear is fixedly installed on the side end of the lower transmission shaft column away from the second transmission pulley, an upper transmission gear is movably connected to the upper end of the lower transmission gear, an upper transmission shaft column is fixedly installed on the middle part of the upper transmission gear, an upper straightening roller for straightening the upper end of the elevator guide rail is fixedly installed on the outer curved surface of the middle part of the upper transmission shaft column;

[0010] The U-shaped table is fixedly installed on the outer side wall of the middle part of the support frame, the electric telescopic rod is fixedly installed on the middle part of the upper end of the U-shaped table, the support table is fixedly installed on the upper end of the electric telescopic rod, the bottom support roller for rolling support of the bottom of the electric guide rail is rotatably connected to the upper end of the support table through the bearing seat, the side guide roller for rolling guide of both sides of the electric guide rail is rotatably connected to both sides of the upper end of the support table through the pin shaft.

[0011] Preferably, the outer curved surface threads of the transmission screw at both ends thereof are oppositely directed, and the transmission screw is threadedly connected to the bottom of the mobile straightening box.

[0012] Preferably, the number of the moving straightening boxes is two, which are symmetrically distributed at the front and rear ends of the transmission screw rod, and the front and rear ends of the transmission screw rod are rotatably connected to the upper end of the support frame through bearing seats.

[0013] Preferably, the number of the limiting straight sliding rails is two, which are symmetrically distributed at the two sides of the upper end of the support frame, and the limiting straight sliding grooves are fixedly installed at the two sides of the lower end of the moving straightening box.

[0014] Preferably, the lower transmission shaft column is rotatably connected to the upper end of the moving straightening box through a rotating shaft, and the upper transmission shaft column is rotatably connected to the upper end of the moving straightening box through a rotating shaft.

[0015] Preferably, the number of the bottom supporting rollers is several, which are symmetrically distributed in sequence at the middle part of the upper end of the supporting table.

[0016] Preferably, the number of the side guide rollers is several, which are symmetrically distributed inwards at the two sides of the upper end of the supporting table.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] When the speed reducer motor is turned on, the lower transmission shaft column is driven to rotate in sequence, when the lower transmission shaft column rotates, the lower straightening roller is driven to rotate, and the lower transmission gear is driven to rotate at the same time, when the lower transmission gear rotates, the upper transmission gear is driven to relatively rotate, when the upper transmission gear relatively rotates, the upper transmission shaft column is driven to relatively rotate, when the upper transmission shaft column relatively rotates, the upper straightening roller is driven to relatively rotate, when the lower straightening roller and the upper straightening roller relatively rotate, the elevator guide rail can be rotated and straightened backwards, when the lower straightening roller and the upper straightening roller rotate and straighten the elevator guide rail backwards, the bottom supporting roller and the side guide roller can roll and guide and support the elevator guide rail, so that the elevator guide rail can be rotated and straightened for the second time after being rotated and straightened for the first time, thereby achieving the effect of conveniently straightening the elevator guide rail.

[0019] When the driving motor is turned on, the first transmission sprocket is driven to rotate, when the first transmission sprocket rotates, the second sprocket is driven to rotate through the chain transmission, when the second sprocket rotates, the transmission screw rod is driven to rotate, and the outer thread surfaces of the two ends of the transmission screw rod are oppositely directed, so that when the transmission screw rod rotates, the force generated by the thread connection drives the moving straightening box to synchronously move linearly outward or inward, when the moving straightening box synchronously moves linearly outward or inward, the lower straightening roller and the upper straightening roller are synchronously driven to synchronously move linearly outward or inward, thereby achieving the effect of straightening the elevator guide rail while conveniently straightening the elevator guide rails of different lengths. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 For the utility model discloses a kind of elevator guide rail straightening device overall structure schematic diagram Figure 1 ;

[0021] Figure 2 For the utility model discloses a kind of elevator guide rail straightening device overall structure schematic diagram Figure 2 ;

[0022] Figure 3 For the utility model discloses a kind of elevator guide rail straightening device overall structure schematic diagram.

[0023] In the drawing: 1, support frame;2, mobile straightening box;3, drive motor;4, first transmission sprocket;5, second sprocket;6, transmission screw;7, limit straight slide rail;8, limit straight slide groove;9, speed reducer;10, first transmission pulley;11, second transmission pulley;12, lower transmission shaft column;13, lower straightening roller;14, lower transmission gear;15, upper transmission gear;16, upper transmission shaft column;17, upper straightening roller;18, U-shaped table;19, electric telescopic rod;20, support table;21, bottom support roller;22, side guide roller. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-3 , the utility model provides a kind of elevator guide rail straightening device technical scheme: including support frame 1 and mobile straightening box 2;

[0026] The support frame 1 is provided with a driving motor 3 fixedly installed on the upper side of the rear end, a first transmission sprocket 4 fixedly installed on the transmission shaft part of the rear end of the driving motor 3, a second sprocket 5 connected through a chain transmission on the outer end of the first transmission sprocket 4, a transmission screw 6 fixedly installed on the middle part of the second sprocket 5, and the transmission screw 6 is threadedly connected at the bottom of the moving straightening box 2, and the moving straightening box 2 is provided with two, which are symmetrically distributed on the front and rear ends of the transmission screw 6, and the transmission screw 6 is rotatably connected on the upper end of the support frame 1 through a bearing seat on the front and rear sides, and the support frame 1 is provided with a limiting straight rail 7 fixedly installed on the upper end of both sides, and the limiting straight rail 7 is provided with two, which are symmetrically distributed on both sides of the upper end of the support frame 1, and the upper end of the limiting straight rail 7 is limitingly connected with a limiting straight groove 8, and the limiting straight groove 8 is fixedly installed on the lower end of the moving straightening box 2, so that the moving straightening box 2 is linearly moved and limited through the cooperation of the limiting straight groove 8 and the limiting straight rail 7.

[0027] The moving straightening box 2 is provided with a reduction motor 9 fixedly installed on the inner bottom, a first transmission pulley 10 fixedly installed on the transmission shaft part of the side end of the reduction motor 9 through the outer side wall of the moving straightening box 2, a second transmission pulley 11 connected through a belt transmission on the outer end of the first transmission pulley 10, a lower transmission shaft column 12 fixedly installed on the middle part of the second transmission pulley 11, and the lower transmission shaft column 12 is rotatably connected on the upper end of the moving straightening box 2 through a rotating shaft, a lower straightening roller 13 fixedly installed on the outer curved surface of the middle part of the lower transmission shaft column 12 for straightening the lower end of the elevator guide rail, a lower transmission gear 14 fixedly installed on the side end away from the second transmission pulley 11 of the lower transmission shaft column 12, an upper transmission gear 15 meshingly connected on the upper end of the lower transmission gear 14, an upper transmission shaft column 16 fixedly installed on the middle part of the upper transmission gear 15, and the upper transmission shaft column 16 is rotatably connected on the upper end of the moving straightening box 2 through a rotating shaft, and an upper straightening roller 17 fixedly installed on the outer curved surface of the middle part of the upper transmission shaft column 16 for straightening the upper end of the elevator guide rail.

[0028] The support frame 1 is provided with a U-shaped table 18 fixedly installed on the outer side wall of the middle part, an electric telescopic rod 19 fixedly installed on the upper end of the middle part of the U-shaped table 18, a support table 20 fixedly installed on the upper end of the electric telescopic rod 19, a bottom support roller 21 rotatably connected on the upper end of the middle part of the support table 20 through a bearing seat for rolling support of the bottom of the electric guide rail, and the bottom support roller 21 is provided with a plurality of, which are symmetrically distributed in sequence on the upper end of the middle part of the support table 20, and a side guide roller 22 rotatably connected on the upper end of both sides of the support table 20 through a pin shaft for rolling guide of both sides of the electric guide rail, and the side guide roller 22 is provided with a plurality of, which are symmetrically distributed inwards on the upper end of both sides of the support table 20.

[0029] Working principle: in use, the utility model is placed in the middle of the front end of the lower straightening roller 13 and the upper straightening roller 17 by the required straightening elevator guide rail, when the elevator guide rail is placed in the middle of the front end of the lower straightening roller 13 and the upper straightening roller 17, the first transmission belt pulley 10 is driven to rotate by controlling the opening of the speed reducer motor 9, when the speed reducer motor 9 is opened, the first transmission belt pulley 10 is driven to rotate, when the first transmission belt pulley 10 is rotated, the second transmission belt pulley 11 is driven to rotate through the belt drive, when the second transmission belt pulley 11 is rotated, the lower transmission shaft column 12 is driven to rotate, when the lower transmission shaft column 12 is rotated, the lower straightening roller 13 is driven to rotate, and the lower transmission gear 14 is driven to rotate at the same time, when the lower transmission gear 14 is rotated, the upper transmission gear 15 is driven to rotate relatively, when the upper transmission gear 15 is rotated relatively, the upper transmission shaft column 16 is driven to rotate relatively, when the upper transmission shaft column 16 is rotated relatively, the upper straightening roller 17 is driven to rotate relatively, when the lower straightening roller 13 and the upper straightening roller 17 rotate relatively, the elevator guide rail can be rotated and straightened backward, when the lower straightening roller 13 and the upper straightening roller 17 rotate and straighten the elevator guide rail backward, the elevator guide rail is rolled and guided by the bottom support roller 21 and the side guide roller 22, so that the elevator guide rail can be rotated and straightened again after being rotated and straightened for the first time, thereby realizing the effect of conveniently straightening the elevator guide rail.

[0030] At the same time, the first transmission sprocket 4 is driven to rotate by controlling the opening of the drive motor 3, when the drive motor 3 is opened, the first transmission sprocket 4 is driven to rotate, when the first transmission sprocket 4 is rotated, the second sprocket 5 is driven to rotate through the chain transmission, when the second sprocket 5 is rotated, the transmission screw 6 is driven to rotate, and the outer curved threads of the transmission screw 6 at both ends are opposite to each other, so that when the transmission screw 6 is rotated, the force generated by the thread connection drives the moving straightening box 2 to move outward or inward linearly, when the moving straightening box 2 moves outward or inward linearly, the lower straightening roller 13 and the upper straightening roller 17 move outward or inward linearly synchronously, thereby realizing the effect of straightening the elevator guide rail while conveniently straightening the elevator guide rail of different lengths.

[0031] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An elevator guide rail straightening device characterized by: Including support frame (1) and mobile straightening box (2); The drive motor (3) is fixedly installed on the upper side of the rear end of the support frame (1), a first transmission sprocket (4) is fixedly installed on the rear end transmission shaft of the drive motor (3), a second sprocket (5) is connected with the first transmission sprocket (4) through a chain transmission on the outer end, a transmission screw (6) is fixedly installed on the middle part of the second sprocket (5), limit straight sliding rails (7) are fixedly installed on the upper end of the support frame (1), limit straight sliding grooves (8) are movably connected to the limit straight sliding rails (7) on the upper end. The reduction motor (9) is fixedly installed on the inner bottom of the mobile straightening box (2), the first transmission belt pulley (10) is fixedly installed on the side end transmission shaft of the reduction motor (9) and penetrates through the outer side wall of the mobile straightening box (2), the second transmission belt pulley (11) is connected with the first transmission belt pulley (10) through a belt transmission on the outer end, the lower transmission shaft column (12) is fixedly installed on the middle part of the second transmission belt pulley (11), the lower straightening roller (13) for straightening the lower end of the elevator guide rail is fixedly installed on the outer curved surface of the middle part of the lower transmission shaft column (12), the lower transmission gear (14) is fixedly installed on the side end away from the second transmission belt pulley (11) of the lower transmission shaft column (12), the upper transmission gear (15) is meshingly connected on the upper end of the lower transmission gear (14), the upper transmission shaft column (16) is fixedly installed on the middle part of the upper transmission gear (15), the upper straightening roller (17) for straightening the upper end of the elevator guide rail is fixedly installed on the outer curved surface of the middle part of the upper transmission shaft column (16). The U-shaped table (18) is fixedly installed on the outer side wall of the middle part of the support frame (1), the electric telescopic rod (19) is fixedly installed on the upper end of the middle part of the U-shaped table (18), the support table (20) is fixedly installed on the upper end of the electric telescopic rod (19), the bottom support roller (21) for rolling support of the bottom of the electric guide rail is rotatably connected to the support table (20) on the upper end of the middle part through a bearing seat, the side guide roller (22) for rolling guide of the two sides of the electric guide rail is rotatably connected to the support table (20) on the upper end of the two sides through a pin shaft.

2. An elevator guide rail straightening device according to claim 1, characterized in that: The outer curved surfaces of the two ends of the transmission screw (6) are oppositely threaded, and the transmission screw (6) is threadedly connected to the bottom of the mobile straightening box (2).

3. An elevator guide rail straightening device according to claim 2, characterized in that: There are two mobile straightening boxes (2), which are symmetrically distributed on the front and rear ends of the transmission screw (6), and the front and rear ends of the transmission screw (6) are rotatably connected to the front and rear sides of the upper end of the support frame (1) through bearing seats.

4. An elevator guide rail straightening device according to claim 3, characterized in that: There are two limit straight sliding rails (7), which are symmetrically distributed on the two sides of the upper end of the support frame (1), and the limit straight sliding grooves (8) are fixedly installed on the two sides of the lower end of the mobile straightening box (2).

5. An elevator guide rail straightening device according to claim 4, characterized in that: The lower transmission shaft column (12) is rotatably connected to the upper end of the mobile straightening box (2) through a rotating shaft, and the upper transmission shaft column (16) is rotatably connected to the upper end of the mobile straightening box (2) through a rotating shaft.

6. An elevator guide rail straightening device according to claim 5, characterized in that: There are several bottom support rollers (21), which are symmetrically distributed on the upper end of the middle part of the support table (20) in sequence.

7. An elevator guide rail straightening device according to claim 6, characterized in that: The side guide rollers (22) are several in number and are symmetrically distributed inwardly from both sides of the upper end of the support table (20).

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