Jacking device for mechanical equipment maintenance

Abstract

The utility model belongs to the technical field of jacking devices, and particularly relates to a jacking device for mechanical equipment maintenance, which comprises a base, the top of the base is fixedly connected with a main body table, the top of the main body table is fixedly connected with a stabilizing disc, and the top of the stabilizing disc is provided with a hydraulic jacking assembly for jacking a workpiece. An expansion device used for adjusting the supporting area is arranged on the inner wall of the base and comprises a sliding column, the sliding column transversely penetrates through the inner wall of the base and slides on the inner wall of the base, and a diffusion plate is fixedly connected to the end, away from the main body table, of the sliding column; an adjusting driving assembly used for adjusting the position of the diffusion plate is arranged at the end, away from the diffusion plate, of the sliding column. According to the jacking device, the problem that a maintenance piece shakes and topples over in the jacking process due to the fact that the supporting area is too small or the jacking position is not centered when the jacking device performs jacking operation is solved, and therefore the safety of workers during jacking and maintenance after jacking is completed is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the technical field of lifting devices, specifically relating to a lifting device for mechanical equipment maintenance. Background Technology

[0002] Lifting devices for mechanical equipment maintenance have important applications in the industrial field, especially in the repair and maintenance of large machinery, vehicles, or construction machinery. Lifting devices are often needed to raise, support, and secure the equipment, enabling maintenance personnel to perform repairs safely and conveniently. Traditional mechanical maintenance methods often rely on manual operation, supports, or simple lifting devices. However, due to the complex design and large size of some equipment, traditional methods have many limitations. For example, manual operation is laborious, inefficient, and prone to safety hazards; using traditional mechanical tools such as jacks makes it difficult to ensure equipment stability during the lifting process, and operation is inconvenient, compromising the safety of maintenance personnel.

[0003] Patent publication number CN203062332U discloses an automotive clamp lifting device, including a cylinder. The cylinder has a slidable piston rod at its front end, and a sliding component linked to the end of the piston rod. A limiting component is connected to the outer wall of the cylinder to restrict the rotation of the sliding component. The advantages of this patent are: the lifting device has a simple structure, is easy to operate, and is suitable for widespread application.

[0004] However, the current automotive clamp lifting device has the following problems: during the lifting operation, the supporting area is too small or the lifting position is not centered, which causes the repair parts to shake and tip over during the lifting process. Therefore, we propose a lifting device for mechanical equipment maintenance. Utility Model Content

[0005] The purpose of this utility model is to provide a lifting device for mechanical equipment maintenance, which can solve the problem that the maintenance parts shake and tip over during the lifting operation due to the small support area or the non-centered lifting position of the lifting device in the related technology.

[0006] The specific technical solution adopted by this utility model is as follows:

[0007] A lifting device for mechanical equipment maintenance includes a base, a main platform fixedly connected to the top of the base, a stabilizing plate fixedly connected to the top of the main platform, a hydraulic lifting assembly for lifting workpieces disposed on the top of the stabilizing plate, an expansion device for adjusting the support area disposed on the inner wall of the base, the expansion device including a sliding column, the sliding column extending laterally and sliding on the inner wall of the base, a diffuser plate fixedly connected to the end of the sliding column away from the main platform, and an adjustment drive assembly for adjusting the position of the diffuser plate disposed at the end of the sliding column away from the diffuser plate.

[0008] The adjusting drive assembly comprises a pushing slide rod fixedly connected to the slide column at one end close to the center of the main body table, the top of the base is rotationally connected with an arc groove turntable, the top of the arc groove turntable is fixedly connected with a protection cylinder, and the outer wall of the protection cylinder is fixedly connected with a rotating disc.

[0009] The hydraulic jacking assembly for jacking the workpiece further comprises a hydraulic cover fixedly connected to the top of the stabilizing disc, a pressure relief pipe is fixedly penetrated through the side of the hydraulic cover, the side of the pressure relief pipe is provided with a pressure relief knob, the side of the hydraulic cover is provided with a push type pressure increasing knob, and the top of the hydraulic cover is penetrated and slidably provided with a hydraulic lifting platform.

[0010] The bottom of the stabilizing disc is in contact with the top of the protection cylinder, the top of the arc groove turntable is uniformly provided with a plurality of arc grooves in the circumferential direction, and the top of the pushing slide rod is slidably installed in the arc grooves of the arc groove turntable.

[0011] The outer wall of the arc groove turntable is provided with a retaining device for preventing position deviation during operation of the lifting device, the retaining device comprises a linkage gear ring, the inner wall of the linkage gear ring is fixedly connected to the outer wall of the arc groove turntable, the outer wall of the base is fixedly connected with a peg ring, the top of the peg ring is rotationally connected with a threaded gear ring, the outer wall of the peg ring is fixedly connected with a protective cover, the inner wall of the protective cover is fixedly connected with an extension threaded rod at the top, the end of the extension threaded rod away from the protective cover is fixedly connected with a fixing cone, the threaded surface of the extension threaded rod is in threaded connection with the inner wall of the threaded gear ring, and the outer wall of the threaded gear ring is in engagement with the outer wall of the linkage gear ring.

[0012] The bottom of the fixing cone is provided with a sharp cone surface, the side of the rotating disc is rotationally connected with an azimuth adjusting ring, the bottom of the azimuth adjusting ring is fixedly connected with a stabilizing frame, and the bottom of the stabilizing frame is rotationally connected with a universal wheel.

[0013] The utility model discloses achieve technical effect for:

[0014] The utility model discloses through the setting of expansion device, make the slide column, diffusion board, pushing slide rod, arc groove turntable, protection cylinder, rotating disc cooperation, pushing slide rod sliding drive slide column to the direction away from the arc groove turntable center of circle sliding, and slide column to the direction away from the arc groove turntable center of circle sliding drive diffusion board to the direction away from the arc groove turntable center of circle sliding, thereby increase the support area of jacking device, to guarantee that the device will not appear to dump when jacking operation.

[0015] The utility model discloses through the setting of retaining device, make the cooperation of linkage tooth ring, nail ring, screw thread tooth ring, protective cover, telescopic screw rod, fixed cone, azimuth adjusting ring, stabilizer, universal wheel, and sliding column slides to the direction of far away from the arc groove carousel center and drive diffusion board to the direction of far away from the arc groove carousel center and slide, thereby increase the support area of jacking device, guarantee the device and do not appear to dump when jacking operation. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is the schematic diagram of the structure of arc groove carousel of the utility model;

[0018] Figure 3 It is the schematic diagram of the structure of push slide rod of the utility model;

[0019] Figure 4 It is the schematic diagram of the structure of telescopic screw rod of the utility model;

[0020] Figure 5 It is the schematic diagram of the structure of the utility model Figure 3 A place of the utility model is enlarged.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, base;2, main body table;3, firm disc;4, hydraulic cover;5, pressure relief pipe;6, pressure relief knob;7, pressurizing knob of pressing type;8, hydraulic lifting platform;9, expansion device;91, slide column;92, diffusion board;93, push slide rod;94, arc groove carousel;95, protective cylinder;96, rotating disc;10, retaining device;1001, linkage tooth ring;1002, nail ring;1003, screw thread tooth ring;1004, protective cover;1005, telescopic screw rod;1006, fixed cone;1007, azimuth adjusting ring;1008, stabilizer;1009, universal wheel. DETAILED DESCRIPTION

[0023] In order to make the purpose and the advantage of the utility model more clearly clear, the following specific description of the utility model is combined with example.It should be understood that the following text only describes one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0024] For example, Figures 1-5As shown, a lifting device for mechanical equipment maintenance includes a base 1, a main platform 2 fixedly connected to the top of the base 1, a stabilizing plate 3 fixedly connected to the top of the main platform 2, a hydraulic lifting assembly for lifting workpieces mounted on the top of the stabilizing plate 3, and an expansion device 9 for adjusting the support area mounted on the inner wall of the base 1. The expansion device 9 includes a sliding column 91, which extends laterally through the base 1 and slides on the inner wall. The sliding arrangement of the sliding column 91 ensures the stable deployment of the device during deployment, preventing damage during later use. A diffuser plate 92 is fixedly connected to the end of the sliding column 91 away from the main platform 2, and an adjustment drive assembly for adjusting the position of the diffuser plate 92 is mounted on the end of the sliding column 91 away from the diffuser plate 92. The diffuser plate 92 can enlarge the support area, achieving a stable effect and ensuring that the device itself will not shake or become unstable during lifting, thus ensuring safe working conditions for the personnel.

[0025] The adjustment drive assembly includes a push slide 93, which is fixedly connected to one end of the slide column 91 near the center of the main body platform 2. The top of the base 1 is rotatably connected to an arc groove turntable 94, and the top of the arc groove turntable 94 is fixedly connected to a protective cylinder 95. The outer wall of the protective cylinder 95 is fixedly connected to a rotating disk 96. The adjustment assembly can be manually adjusted according to the needs of the system, thereby ensuring the optimal performance of the system under different working conditions.

[0026] The hydraulic lifting assembly for lifting the workpiece also includes a hydraulic cover 4 fixedly connected to the top of the stabilizing plate 3. A pressure relief pipe 5 is fixedly inserted through the side of the hydraulic cover 4. A pressure relief knob 6 is provided on the side of the pressure relief pipe 5. A push-button pressure boosting button 7 is provided on the side of the hydraulic cover 4. A hydraulic lifting platform 8 is inserted through and slidable on the top of the hydraulic cover 4. The pressure relief pipe 5 is used to release the internal pressure after the lifting device finishes the lifting operation to return to the original state. The pressure relief knob 6 is used to lock the internal pressure to ensure that the lifting device will not cause the lifted part to slide down after lifting.

[0027] The bottom of the stabilizing plate 3 contacts the top of the protective cylinder 95. Several arc-shaped grooves are evenly opened on the top circumference of the arc-groove turntable 94. The top of the push rod 93 is slidably installed inside the arc-shaped groove of the arc-groove turntable 94. The full contact ensures that no impurities or dust will appear inside the device, ensuring the normal operation of the device and thus extending the service life of the device.

[0028] According to the above structure, the jacking device body is placed at the jacking position by the universal wheel 1009, and after reaching the jacking position, the push button 7 is pressed to fix the jacking device at the working position. The rotating disc 96 is rotated, the rotating disc 96 drives the protection cylinder 95 to rotate, the protection cylinder 95 drives the arc groove rotating disc 94 to rotate, the arc groove rotating disc 94 drives the pushing sliding rod 93 to slide along the arc groove of the arc groove rotating disc 94, the pushing sliding rod 93 drives the sliding column 91 to slide away from the center of the arc groove rotating disc 94, and the sliding column 91 drives the diffusion plate 92 to slide away from the center of the arc groove rotating disc 94, thereby increasing the supporting area of the jacking device to prevent the device from falling during jacking.

[0029] As shown in Figures 1-5 The outer wall of the arc groove rotating disc 94 is provided with a fixing device 10 for preventing position deviation during jacking operation. The fixing device 10 includes a linkage tooth ring 1001 fixedly connected to the outer wall of the arc groove rotating disc 94. The outer wall of the base 1 is fixedly connected with a peg ring 1002. The top of the peg ring 1002 is rotatably connected with a threaded tooth ring 1003. The outer wall of the peg ring 1002 is fixedly connected with a protective cover 1004. The inner wall top of the protective cover 1004 is fixedly connected with an extension threaded rod 1005. The end of the extension threaded rod 1005 away from the protective cover 1004 is fixedly connected with a fixed cone 1006. The threaded surface of the extension threaded rod 1005 is threadedly connected with the inner wall of the threaded tooth ring 1003. The outer wall of the threaded tooth ring 1003 is engaged with the outer wall of the linkage tooth ring 1001.

[0030] The bottom of the fixed cone 1006 is a sharp cone surface. The side of the rotating disc 96 is rotatably connected with an azimuth adjusting ring 1007. The bottom of the azimuth adjusting ring 1007 is fixedly connected with a stabilizing frame 1008. The bottom of the stabilizing frame 1008 is rotatably connected with a universal wheel 1009. The universal wheel 1009 ensures that the device can be placed at any position by the worker for jacking and can be easily moved.

[0031] According to the above structure, the arc groove rotating disc 94 drives the linkage tooth ring 1001 to rotate, the linkage tooth ring 1001 drives the threaded tooth ring 1003 to rotate, the extension threaded rod 1005 is driven by the threaded action of the threaded tooth ring 1003, the threaded tooth ring 1003 drives the threaded extension end of the extension threaded rod 1005 to move downward, the extension threaded rod 1005 slides downward to drive the fixed cone 1006 to slide downward, and the fixed cone 1006 slides downward to apply a reverse force to the ground at the jacking position to drill into it, so that the jacking device does not deviate during jacking or after jacking is completed, ensuring the safety of jacking operation.

[0032] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. Structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A lifting device for mechanical equipment maintenance, characterized in that: The system includes a base (1), a main platform (2) fixedly connected to the top of the base (1), a stabilizing plate (3) fixedly connected to the top of the main platform (2), a hydraulic lifting assembly for lifting the workpiece provided on the top of the stabilizing plate (3), an expansion device (9) for adjusting the support area provided on the inner wall of the base (1), the expansion device (9) including a sliding column (91), the sliding column (91) passing through laterally and sliding on the inner wall of the base (1), a diffuser plate (92) fixedly connected to the end of the sliding column (91) away from the main platform (2), and an adjustment drive assembly for adjusting the position of the diffuser plate (92) provided at the end of the sliding column (91) away from the diffuser plate (92).

2. The lifting device for mechanical equipment maintenance according to claim 1, characterized in that: The adjustment drive assembly includes a push slide rod (93), which is fixedly connected to one end of the slide column (91) near the center of the main body platform (2). The top of the base (1) is rotatably connected to an arc groove turntable (94), and the top of the arc groove turntable (94) is fixedly connected to a protective cylinder (95). The outer wall of the protective cylinder (95) is fixedly connected to a rotating disk (96).

3. The lifting device for mechanical equipment maintenance according to claim 1, characterized in that: The hydraulic lifting assembly for lifting the workpiece also includes a hydraulic cover (4) fixedly connected to the top of the stabilizing plate (3). A pressure relief pipe (5) is fixedly passed through the side of the hydraulic cover (4). A pressure relief knob (6) is provided on the side of the pressure relief pipe (5). A push-button pressure boosting button (7) is provided on the side of the hydraulic cover (4). A hydraulic lifting platform (8) is passed through and slidably attached to the top of the hydraulic cover (4).

4. A lifting device for mechanical equipment maintenance according to claim 2, characterized in that: The bottom of the stabilizing plate (3) is in contact with the top of the protective cylinder (95). The top circumference of the arc groove turntable (94) is evenly provided with several arc grooves. The top of the push rod (93) is slidably installed inside the arc groove of the arc groove turntable (94).

5. A lifting device for mechanical equipment maintenance according to claim 2, characterized in that: The outer wall of the arc groove turntable (94) is provided with a fixing device (10) to prevent positional displacement of the lifting device during operation. The fixing device (10) includes a linkage gear ring (1001), the inner wall of which is fixedly connected to the outer wall of the arc groove turntable (94). A nail ring (1002) is fixedly connected to the outer wall of the base (1). A threaded gear ring (1003) is rotatably connected to the top of the nail ring (1002). A protective cover (1004) is fixedly connected to the outer wall. A telescopic threaded rod (1005) is fixedly connected to the top of the inner wall of the protective cover (1004). A fixed cone (1006) is fixedly connected to the end of the telescopic threaded rod (1005) away from the protective cover (1004). The threaded surface of the telescopic threaded rod (1005) is threadedly connected to the inner wall of the threaded toothed ring (1003). The outer wall of the threaded toothed ring (1003) meshes with the outer wall of the linkage toothed ring (1001).

6. A lifting device for mechanical equipment maintenance according to claim 5, characterized in that: The bottom of the fixed cone (1006) is a pointed cone surface. The side of the rotating disk (96) is rotatably connected to an azimuth adjustment ring (1007). The bottom of the azimuth adjustment ring (1007) is fixedly connected to a stabilizer (1008). The bottom of the stabilizer (1008) is rotatably connected to a caster wheel (1009).

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