Lifting device for steel structure machining

Abstract

The utility model discloses a lifting device for steel structure machining, which belongs to the relevant technical field of lifting for steel structure machining and comprises a supporting plate, four electric telescopic rods arranged at equal intervals are mounted on the top surface of the supporting plate, a lifting table is mounted at the moving ends of the four electric telescopic rods, and a supporting frame is welded on the bottom surface of the lifting table. The inner side wall of the supporting frame is rotationally connected with a threaded rod with reverse threads, the threaded rod is in threaded connection with two threaded blocks, connecting plates are welded to the two side faces of each threaded block, electric push rods are installed on the top faces of the connecting plates through formed through grooves, L-shaped clamping plates are arranged at the moving ends of the electric push rods, and sliding blocks are welded to the end faces of the connecting plates. The side faces of the two sliding blocks are connected with sliding rods in a sliding mode through formed through grooves, fixing frames are welded to the end faces of the sliding rods, and the adjacent sides of the two fixing frames are welded to the lifting table, the position fixing stability of the steel structure is enhanced, the steel structure is prevented from falling off, and the lifting effect of the lifting device on the steel structure is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to lifting for steel structure processing, in particular to a lifting device for steel structure processing. Background Art

[0002] During the processing of steel structures, a lifting device is required to lift the steel structure. When the existing lifting device is used to lift the steel structure, it is very easy for the steel structure to become unstable, causing the steel structure to fall from the top surface of the lifting platform of the lifting device, thereby reducing the lifting effect of the lifting device on the steel structure.

[0003] Example (authorization announcement number CN218058348U) A stable lifting device for steel structure processing, including a bottom plate, a counterweight groove is arranged on the right side of the upper end surface of the bottom plate, a counterweight block is arranged on the counterweight groove, two relatively distributed multi-stage sleeve rod assemblies are arranged on the left side of the upper end surface of the bottom plate, the multi-stage sleeve rod assembly includes a support rod, a sleeve rod and a movable rod, and a transmission assembly is arranged at the rear of the outer end surface of the two relatively arranged sleeve rods, a top plate is fixedly arranged at the top of the movable rod, a scissor-type telescopic frame is arranged between the top plate and the bottom plate, and the horizontal surface of the scissor-type telescopic frame is arranged between the counterweight block and the multi-stage sleeve rod assembly, and a guardrail is arranged on the outer edge of the upper surface of the top plate. The overall design of the utility model is reasonable and the operation is simple, so that the stability is effectively improved when lifting up and down, and the use effect is good, but the device does not consider the position fixation of the steel structure, and it is very easy for the steel structure to fall from the top surface of the lifting platform of the lifting device, reducing the lifting effect of the lifting device on the steel structure. Utility Model Content

[0004] The utility model aims to provide a lifting device for steel structure processing to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for steel structure processing, comprising a support plate, four equidistantly arranged electric telescopic rods are installed on the top surface of the support plate, a lifting platform is installed on the movable ends of the four electric telescopic rods, a support frame is welded to the bottom surface of the lifting platform, a threaded rod with reverse threads is rotatably connected to the inner wall of the support frame, two threaded blocks are threadedly connected to the threaded rod, connecting plates are welded on both sides of the threaded blocks, an electric push rod is installed on the top surface of the connecting plate through a through groove, an L-shaped clamping plate is arranged on the movable end of the electric push rod, a slider is welded on the end surface of the connecting plate, two sliders are slidably connected to the sliding rods on the side surfaces through the through grooves, a fixing frame is welded on the end surface of the sliding rod, and the adjacent sides of the two fixing frames are welded to the lifting platform.

[0006] Preferably, the two ends of the top of the lifting platform are movably connected to the moving ends of the four electric push rods through the provided through slots, and a rotating motor is installed on the end surface of the support frame.

[0007] Preferably, the output shaft of the rotating motor is detachably connected to the threaded rod via bolts, and four equidistantly arranged support assemblies are provided on the bottom surface of the support plate.

[0008] Preferably, the support assembly includes a screw rod and a threaded sleeve, and the top surfaces of the four screw rods are welded to the support plate.

[0009] Preferably, the screw rod is threadedly connected to the threaded sleeve, and two push plates are welded to the side of the threaded sleeve.

[0010] Preferably, the outer wall of the threaded sleeve is interference-fitted with a limit bearing, and the outer ring of the limit bearing is embedded and fixedly connected with a support seat.

[0011] Preferably, a rubber plate is fixedly connected to the bottom surface of the support seat, and the inner bottom wall of the support seat is in rotational frictional contact with the bottom surface of the threaded sleeve.

[0012] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0013] The lifting device for steel structure processing is powered by four electric telescopic rods, so that the steel structure located on the top surface of the lifting platform can be lifted and lowered to provide conditions for the processing of the steel structure. At the same time, a rotating motor is provided to provide power to enable two threaded blocks with reverse threads to move in reverse directions along the threaded path of the threaded rod. During the transmission process, the two pairs of clamping plates can be moved centripetally to achieve transverse clamping and fixation of the steel structure to prevent the steel structure from falling and improve the lifting effect of the lifting device on the steel structure. At the same time, the sliding rod is fixed to the moving path of the slider to improve the moving stability of the two pairs of clamping plates during the transmission process. The electric push rod is provided to provide power to facilitate the downward movement of the clamping plates, and is used in conjunction with the lifting platform to achieve longitudinal clamping and fixation of the steel structure, further improving the lifting effect of the steel structure.

[0014] The lifting device for steel structure processing has a support component that provides support for the lifting device and facilitates the rotation of the threaded sleeve, thereby allowing the threaded sleeve to move longitudinally along the threaded path of the screw rod. During the transmission process, the support height requirement for the lifting device is controlled to prevent the lifting device from being used on an uneven ground, which would cause the lifting device to topple over due to unstable support. The limit bearing is convenient for the relative rotation of the support seat and the threaded sleeve. The support seat provides support for the threaded sleeve and improves the structural stability of the device parts. The rubber plate provides an anti-slip effect to prevent the lifting device from shaking or deviating when in use. The two push plates are convenient for pushing the threaded sleeve to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the lifting platform of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the fixing frame and the supporting frame of the utility model;

[0019] Figure 4 For the utility model Figure 3 A magnified view of the structure at center A;

[0020] Figure 5 It is a structural schematic diagram of the support assembly of the utility model.

[0021] Description of reference numerals:

[0022] In the figure: 1. support plate; 2. electric telescopic rod; 3. lifting platform; 4. fixed frame; 5. sliding rod; 6. sliding block; 7. connecting plate; 8. threaded block; 9. threaded rod; 10. support frame; 11. electric push rod; 12. clamping plate; 13. rotating motor; 14. support assembly; 15. screw rod; 16. threaded sleeve; 17. push plate; 18. limit bearing; 19. support seat; 20. rubber sheet. DETAILED DESCRIPTION

[0023] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0025] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0026] In order to solve the problem that the lifting device used for steel structure processing does not fix the position of the steel structure, causing the steel structure to fall off and reducing the lifting effect of the lifting device on the steel structure, please refer to Figures 1 to 5 The structure of the device body is as follows: a support plate 1, four equidistantly arranged electric telescopic rods 2 are installed on the top surface of the support plate 1, the fixed ends of the four electric telescopic rods 2 are detachably connected to the support plate 1 by bolts, so as to fix the position of the electric telescopic rods 2, and a lifting platform 3 is installed on the movable ends of the four electric telescopic rods 2, and the movable ends of the electric telescopic rods 2 are detachably connected to the bottom surface of the lifting platform 3 by bolts, so as to provide power through the four electric telescopic rods 2 to control the longitudinal height of the lifting platform 3, thereby facilitating the lifting and lowering of the steel structure on the top surface of the lifting platform 3, providing conditions for the processing of the steel structure, and a support frame 10 is welded on the bottom surface of the lifting platform 3.

[0027] The inner wall of the support frame 10 is rotatably connected to a threaded rod 9 with reverse threads, and the threaded rod 9 is threadedly connected to two threaded blocks 8. The threaded paths of the two threaded blocks 8 are opposite, so that the threaded rod 9 rotates, and then the two threaded blocks 8 with reverse threads move in opposite directions along the threaded paths of the threaded rod 9. Connecting plates 7 are welded on both side surfaces of the threaded blocks 8, and an electric push rod 11 is installed on the top surface of the connecting plate 7 through the through groove. The fixed end of the electric push rod 11 is detachably connected to the connecting plate 7 by bolts, and the moving end of the electric push rod 11 is provided with an L-shaped clamping plate 12, so that the bottom surface of the clamping plate 12 is detachably connected to the moving end of the electric push rod 11 by bolts, and the connection function is provided by four connecting plates 7. When the two threaded blocks 8 move centripetally, the two pairs of clamping plates 12 clamp and fix the steel structure on the top surface of the lifting platform 3 laterally, thereby improving the lifting stability of the steel structure and preventing the steel structure from falling off.

[0028] At the same time, the electric push rod 11 provides power to facilitate the control of the longitudinal height of the two pairs of clamping plates 12. In cooperation with the lifting platform 3, the longitudinal clamping and fixation of the steel structure is achieved, further preventing the steel structure from falling off, and improving the lifting effect of the lifting device on the steel structure. A slider 6 is welded on the end face of the connecting plate 7. The sides of the two sliders 6 are slidably connected to the slide bar 5 through the opened through grooves, so that the two sliders 6 move along the path of a slide bar 5, and the position movement stability of the two pairs of clamping plates 12 is improved during the transmission process. A fixing frame 4 is welded on the end face of the slide bar 5. The adjacent sides of the two fixing frames 4 are welded to the lifting platform 3, and the inner wall of the fixing frame 4 is welded to the slide bar 5. The set fixing frame 4 provides support and fixation to the slide bar 5, thereby improving the structural stability of the device parts.

[0029] The two ends of the top of the lifting platform 3 are movably connected to the moving ends of the four electric push rods 11 through the through grooves, so that the moving ends of the electric push rods 11 can drive the clamping plate 12 to move from the bottom of the lifting platform 3 to the top of the lifting platform 3, further improving the structural stability of the device parts. A rotating motor 13 is installed on the end face of the support frame 10. The fixed end of the rotating motor 13 is detachably connected to the end face of the support frame 10 by bolts. The output shaft of the rotating motor 13 is detachably connected to the threaded rod 9 by bolts, so that the threaded rod 9 can be driven to rotate synchronously during the rotation of the output shaft of the rotating motor 13. Four equidistantly arranged support components 14 are provided on the bottom surface of the support plate 1. The arranged support components 14 provide support for the support plate 1. The support component 14 includes a screw rod 15 and a threaded sleeve 16. The top surfaces of the four screw rods 15 are welded to the support plate 1, and the four screw rods 15 are equidistantly arranged. The screw rod 15 is threadedly connected to the threaded sleeve 16.

[0030] It is convenient to rotate the threaded sleeve 16 so that the screw rod 15 can move longitudinally along the thread path of the threaded sleeve 16. Two push plates 17 are welded on the side of the threaded sleeve 16, which are convenient for pushing the push plates 17 to rotate the threaded sleeve 16. The outer wall of the threaded sleeve 16 is interference-fitted with a limit bearing 18. The outer ring of the limit bearing 18 is embedded and fixedly connected with a support seat 19. The set limit bearing 18 fixes the rotation position of the threaded sleeve 16 and is convenient for realizing the relative rotation of the threaded sleeve 16 and the support seat 19, further improving the structural stability of the device parts. The bottom surface of the support seat 19 is fixedly connected with a rubber plate 20. The inner bottom wall of the support seat 19 is in rotational friction contact with the bottom surface of the threaded sleeve 16. The set rubber plate 20 provides an anti-skid effect to prevent the lifting device from shaking and deviating during use. It is convenient to control the longitudinal extension length of the screw rod 15 and the threaded sleeve 16, adapt to different support requirements of the lifting device, and prevent the lifting device from being unstable when used on uneven ground.

[0031] The electric telescopic rod 2, the electric push rod 11, and the rotating motor 13 are all prior arts. The working principles, sizes and models are irrelevant to the functions of the present application, so they are not described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0032] How it works

[0033] When using the lifting device for processing steel structures, the user places the steel structure on the top surface of the lifting platform 3, starts the four electric telescopic rods 2, and facilitates the lifting and lowering of the steel structure placed on the top surface of the lifting platform 3, and starts the rotating motor 13. The output shaft of the rotating motor 13 rotates, which facilitates the two threaded blocks 8 with reverse threads to move along the threaded path of the threaded rod 9. The provided connecting plate 7 provides a connecting function, which facilitates the centripetal movement of the two pairs of clamping plates 12 to achieve transverse clamping and fixing of the steel structure. At the same time, the provided electric push rod 11 provides power to control the longitudinal position of the clamping plate 12. When used in conjunction with the lifting platform 3, the longitudinal clamping and fixing of the steel structure is achieved, the steel structure is prevented from falling off, and the lifting effect of the lifting device on the steel structure is improved.

[0034] The two sliding blocks 6 are arranged to move along the path of a sliding rod 5, and the position movement stability of the two pairs of clamping plates 12 is improved during the transmission process. The two push plates 17 are pushed to rotate and move, and then the screw rod 15 is longitudinally moved along the threaded path of the threaded sleeve 16. By controlling the extension length of the screw rod 15 and the threaded sleeve 16, the support requirements of the lifting device are adapted to prevent the lifting device from being unstable when used on an uneven ground, thereby improving the support stability of the lifting device. The limit bearing 18 is arranged to facilitate the relative rotation of the threaded sleeve 16 and the support seat 19, and the rubber plate 20 is arranged to provide an anti-skid effect to prevent the lifting device from shaking and deviating when in use.

[0035] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for steel structure processing, comprising a support plate (1), characterized in that: The top surface of the support plate (1) is mounted with four equally spaced electric telescopic rods (2), the movable ends of the four electric telescopic rods (2) are mounted with a lifting platform (3), the bottom surface of the lifting platform (3) is welded with a support frame (10), the inner side wall of the support frame (10) is rotatably connected with a threaded rod (9) having reverse threads, and the threaded rod (9) is threadedly connected with two threaded blocks (8); The threaded block (8) is welded with connecting plates (7) on both side surfaces, an electric push rod (11) is installed on the top surface of the connecting plate (7) through a through slot, an L-shaped clamping plate (12) is provided at the movable end of the electric push rod (11), a slider (6) is welded on the end surface of the connecting plate (7), two sliders (6) are slidably connected to the sides with slide bars (5) through through slots, a fixing frame (4) is welded on the end surface of the slide bar (5), and the adjacent sides of the two fixing frames (4) are welded to the lifting platform (3).

2. A lifting device for steel structure processing according to claim 1, characterized in that: The two ends of the top of the lifting platform (3) are movably connected to the movable ends of four electric push rods (11) through the provided through slots, and a rotating motor (13) is installed on the end surface of the support frame (10).

3. A lifting device for steel structure processing according to claim 2, characterized in that: The output shaft of the rotating motor (13) is detachably connected to the threaded rod (9) via bolts, and the bottom surface of the support plate (1) is provided with four equidistantly arranged support assemblies (14).

4. A lifting device for steel structure processing according to claim 3, characterized in that: The support assembly (14) comprises a screw rod (15) and a threaded sleeve (16), and the top surfaces of the four screw rods (15) are welded to the support plate (1).

5. A lifting device for steel structure processing according to claim 4, characterized in that: The screw rod (15) is threadedly connected to the threaded sleeve (16), and two push plates (17) are welded to the side of the threaded sleeve (16).

6. A lifting device for steel structure processing according to claim 5, characterized in that: The outer wall of the threaded sleeve (16) is interference-fitted with a limit bearing (18), and a support seat (19) is embedded and fixedly connected inside the outer ring of the limit bearing (18).

7. A lifting device for steel structure processing according to claim 6, characterized in that: The bottom surface of the support seat (19) is fixedly connected to a rubber plate (20), and the inner bottom wall of the support seat (19) is in rotational frictional contact with the bottom surface of the threaded sleeve (16).

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