Portable maintenance frame

Abstract

The utility model belongs to the technical field of overhaul frames, and particularly relates to a portable overhaul frame which comprises a base, a lifting table is arranged at the top of the base, first supporting rods are symmetrically and rotatably connected to one side of the top of the base, and first sliding blocks are symmetrically and slidably connected to the side, away from the first supporting rods, of the top of the base. Second supporting rods are rotatably connected to the tops of the two first sliding blocks, rotating shafts are symmetrically and fixedly connected to the two sides of the interior of the base, rotating plates are rotatably connected to the exteriors of the rotating shafts, supporting blocks are arranged on one sides of the bottoms of the rotating plates, a lifting assembly is arranged on the top of the base, and a transmission assembly is arranged in the base. The utility model provides a portable maintenance frame, and solves the problems that the maintenance frame in the prior art is generally fixed, occupies a large space, is difficult to carry, takes more time to assemble and disassemble during use, is not beneficial to improving the working efficiency, and cannot be adjusted at will, so that the detectable height is limited, and the maintenance cost is low. And therefore, the detection efficiency is influenced.

Description

Technical Field

[0001] The utility model belongs to the field of maintenance racks, in particular to a portable maintenance rack. Background Art

[0002] The power system maintenance operation mode refers to the operation mode of the main equipment in the power system during maintenance. The purpose of compiling the power system maintenance operation mode is to ensure that the system can still operate normally when the equipment is under maintenance. During the power maintenance process, power equipment at different heights needs to be inspected and maintained.

[0003] The inspection rack in the prior art is generally fixed, which not only takes up a lot of space and is difficult to carry, but also takes a lot of time to load and unload during use, which is not conducive to improving work efficiency. In addition, the height cannot be adjusted arbitrarily, resulting in a limited detectable height, thereby affecting the detection efficiency. Utility Model Content

[0004] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a portable maintenance rack.

[0005] The technical solution of the utility model is as follows: a portable maintenance stand comprises a base, a lifting platform is provided on the top of the base, one side of the top of the base is symmetrically rotatably connected to a first support rod, the side of the top of the base away from the first support rod is symmetrically slidably connected to a first slider, the tops of the two first sliders are rotatably connected to a second support rod, the inner sides of the base are symmetrically fixedly connected to a rotating shaft, the outer side of the rotating shaft is rotatably connected to a rotating plate, a support block is provided on one side of the bottom of the rotating plate, a lifting assembly is provided on the top of the base, and a transmission assembly is provided inside the base.

[0006] As a preferred embodiment, the lifting assembly includes a second slider, the tops of the two first support rods are rotatably connected to the second slider, the second slider is slidably connected to the bottom side of the lifting platform, the top of the second support rod is rotatably connected to the side of the bottom of the lifting platform away from the second slider, the top side of the base is rotatably connected to the lead screw through a fixed block, the top side of the base is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the lead screw, and a threaded block is fixedly connected between the two first sliders through a connecting rod, and the threaded block is threadedly connected to the outside of the lead screw.

[0007] As a preferred embodiment, the transmission assembly includes a rotating rod and a linkage unit, the rotating rod is rotatably connected to both sides of the interior of the base, and a second motor is fixedly connected to one side of the exterior of the base, and an output end of the second motor extends to the interior of the base and is fixedly connected to the rotating rod, and worms are fixedly connected to both sides of the exterior of the rotating rod, and worm wheels are symmetrically rotatably connected to the corresponding rotating plates on both sides of the interior of the base, the worm gear is meshed with the worm wheel, and the bottom of the worm wheel is fixedly connected to the rotating plate, and the outside of the two rotating rods is fixedly connected to the first gear, and the outside of the two first gears is provided with racks, and the two first gears are meshed with the racks, and the support block can be lowered by the linkage unit.

[0008] As a preferred embodiment, the linkage unit includes a second gear, the second gear is fixedly connected to the top of the rotating shaft, the inner side of the rotating plate is rotatably connected to the third gear, the third gear is meshingly connected to the second gear, the top of the third gear is fixedly connected to the first pulley, the inner side of the rotating plate away from the third gear is rotatably connected to the second pulley, the first pulley and the second pulley are connected by a transmission belt, the inner side of the rotating plate is slidably connected to a threaded rod, the threaded rod is threadedly connected to the inside of the second pulley, and the support block is fixedly connected to the bottom of the threaded rod.

[0009] As a preferred embodiment, a sliding rod is fixedly connected to one side of the top of the support block, and the sliding rod is slidably connected to the inside of the rotating plate. Universal wheels are symmetrically installed on both sides of the bottom of the base.

[0010] As a preferred embodiment, guardrails are fixedly connected to both sides of the top of the lifting platform, the first motor and the second motor are electrically connected to an external controller, the worm gears on both sides of the same rotating rod are in opposite directions, and the worm gears on the two rotating rods are in opposite directions.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. This device can retract and lower the lifting platform when not in use, thereby reducing space occupancy, and can move the base in conjunction with the universal wheels to improve portability. In addition, this device can adjust the height of the lifting platform to any height through the first support rod and the second support rod, avoiding the trouble of temporarily building an inspection frame in traditional technology.

[0013] 2. By opening the rotating plate inside the base, the support block can be driven down at the same time, and then the ground is supported by the support block to fix the device in a specified position, thereby improving the stability during work and effectively preventing shaking and tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the lifting platform in the utility model;

[0017] Figure 3 It is a cross-sectional view of the base in the utility model;

[0018] Figure 4 It is a cross-sectional view of the rotating plate in the utility model.

[0019] In the figure: 1. base; 2. lifting platform; 3. first support rod; 4. first slider; 5. second support rod; 6. second slider; 7. rotating shaft; 8. rotating plate; 9. support block; 10. threaded block; 11. screw; 12. first motor; 13. rotating rod; 14. second motor; 15. worm; 16. first gear; 17. rack; 18. worm wheel; 19. second gear; 20. third gear; 21. first pulley; 22. threaded rod; 23. second pulley; 24. transmission belt; 25. slide rod; 26. universal wheel; 27. guardrail. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figure 1-4 A portable maintenance rack comprises a base 1, a lifting platform 2 is provided on the top of the base 1, a first support rod 3 is symmetrically rotatably connected to one side of the top of the base 1, a first slider 4 is symmetrically slidably connected to the side of the top of the base 1 away from the first support rod 3, the tops of the two first sliders 4 are both rotatably connected to the second support rod 5, both sides of the inside of the base 1 are symmetrically fixedly connected to the rotating shaft 7, the outside of the rotating shaft 7 is rotatably connected to the rotating plate 8, a support block 9 is provided on one side of the bottom of the rotating plate 8, a lifting assembly is provided on the top of the base 1, and a transmission assembly is provided inside the base 1.

[0022] Specifically, the lifting assembly includes a second slider 6, the tops of the two first support rods 3 are rotatably connected to the second slider 6, the second slider 6 is slidably connected to the bottom side of the lifting platform 2, the top of the second support rod 5 is rotatably connected to the bottom side of the lifting platform 2 away from the second slider 6, the top side of the base 1 is rotatably connected to the lead screw 11 through a fixed block, the top side of the base 1 is fixedly connected to the first motor 12, the output end of the first motor 12 is fixedly connected to the lead screw 11, the two first sliders 4 are fixedly connected to a threaded block 10 through a connecting rod, the threaded block 10 is threadedly connected to the outside of the lead screw 11, the transmission assembly includes a rotating rod 13 and a linkage unit, the rotating rod 13 is rotatably connected to the inner sides of the base 1, the outer side of the base 1 is fixedly connected to the second motor 14, the output end of the second motor 14 extends to the inside of the base 1 and is fixedly connected to the rotating rod 13, the outer sides of the rotating rod 13 are fixedly connected to the worm 15, and the corresponding rotating plates 8 on the inner sides of the base 1 are symmetrically rotatably connected There is a worm wheel 18, the worm 15 is meshed with the worm wheel 18, the bottom of the worm wheel 18 is fixedly connected to the rotating plate 8, the outside of the two rotating rods 13 are fixedly connected with the first gear 16, the outside of the two first gears 16 is provided with a rack 17, the two first gears 16 are meshed with the rack 17, the support block 9 can be lowered by a linkage unit, the linkage unit includes a second gear 19, the second gear 19 is fixedly connected to the top of the rotating shaft 7, the inner side of the rotating plate 8 is rotatably connected with a third gear 20, the third gear 20 is meshed with the second gear 19, the top of the third gear 20 is fixedly connected with a first pulley 21, the inner side of the rotating plate 8 away from the third gear 20 is rotatably connected with a second pulley 23, the first pulley 21 and the second pulley 23 are connected by a transmission belt 24, the inner side of the rotating plate 8 is slidably connected with a threaded rod 22, the threaded rod 22 is threadedly connected to the inside of the second pulley 23, and the support block 9 is fixedly connected to the bottom of the threaded rod 22.

[0023] Through the above technical solution, the lifting platform 2 can be retracted by the first support rod 3 and the second support rod 5 on both sides, so as to reduce the occupied space of the device, and then the base 1 can be pushed to push the device to any working position. When it moves to the specified position, the second motor 14 is started by the external controller, and the output end of the second motor 14 drives the rotating rod 13 to rotate, and the two rotating rods 13 are then synchronously rotated through the external first gear 16 and the rack 17, and the rotating rod 13 drives the worm 15 on both sides of the outside to rotate, and the worm 15 drives the corresponding worm wheel 18 to rotate through the meshing relationship, so that the worm wheel 18 drives the rotating plate 8 at the bottom to rotate around the rotating shaft 7 The third gear 20 is rotated toward the outside of the base 1, and the rotating plate 8 drives the third gear 20 to rotate around the second gear 19. The third gear 20 rotates by itself through the meshing relationship with the second gear 19, thereby driving the first pulley 21 on the top to rotate. The first pulley 21 then drives the second pulley 23 to rotate through the transmission belt 24. The second pulley 23 drives the internal threaded rod 22 to slide downward under the limit of the slide rod 25 through the threaded connection relationship, which can drive the support block 9 to descend until the two sets of rotating plates 8 are fully opened. At the same time, the support block 9 is lowered to the lowest point, so that the support block 9 is in contact with the ground to provide support for the base 1, and the device can be The first motor 12 is started by an external controller when the lifting platform 2 needs to be lifted, and the output end of the first motor 12 drives the lead screw 11 to rotate, and the lead screw 11 drives the threaded block 10 to move through the threaded connection relationship, and the threaded block 10 drives the first sliders 4 on both sides to slide toward the inside of the base 1, thereby driving the second support rod 5 on the top of the first slider 4 to rotate, and the second support rod 5 cooperates with the first support rod 3 to push the lifting platform 2 to rise during the rotation process, and at the same time, the second slider 6 follows the first slider 4 to slide synchronously at the bottom of the lifting platform 2. After reaching a suitable height, the lifting can be stopped by turning off the first motor 12. The device can retract and lower the lifting platform 2 when not in use, thereby reducing space occupancy. The base 1 can be pushed to cooperate with the universal wheel 26 for movement, thereby improving portability. The device can adjust the height of the lifting platform 2 to any desired height through the first support rod 3 and the second support rod 5, thereby avoiding the trouble of temporarily building an inspection frame in traditional technology. By opening the rotating plate 8 inside the base 1, the support block 9 can be driven to descend at the same time, and then the support block 9 can be used to support the ground to fix the device in a specified position, thereby improving stability during operation and effectively preventing shaking and tilting.

[0024] Specifically, a sliding rod 25 is fixedly connected to one side of the top of the support block 9, and the sliding rod 25 is slidably connected to the inside of the rotating plate 8. Universal wheels 26 are symmetrically installed on both sides of the bottom of the base 1. Guardrails 27 are fixedly connected to both sides of the top of the lifting platform 2. The first motor 12 and the second motor 14 are electrically connected to the external controller. The worm gears 15 on both sides of the outside of the same rotating rod 13 are in opposite directions, and the worm gears 15 on the outside of the two rotating rods 13 are in opposite directions.

[0025] Through the above technical solution, the guardrail 27 can provide protection for the personnel at work, thereby improving the safety of use. The external controller can facilitate the staff to quickly control the first motor 12 and the second motor 14.

[0026] When in use, the lifting platform 2 can be retracted by the first support rod 3 and the second support rod 5 on both sides, thereby reducing the occupied space of the device, and then the base 1 can be pushed to push the device to any working position. When it moves to the specified position, the second motor 14 is started by the external controller, and the output end of the second motor 14 drives the rotating rod 13 to rotate, and the two rotating rods 13 are then synchronously rotated through the external first gear 16 and the rack 17, and the rotating rod 13 drives the worm 15 on both sides of the outside to rotate, and the worm 15 drives the corresponding worm wheel 18 to rotate through the meshing relationship, so that the worm wheel 18 drives the rotating plate 8 at the bottom to rotate around the rotating shaft 7 toward the outside of the base 1, and the rotating plate 8 drives the third The gear 20 rotates around the second gear 19, and the third gear 20 rotates by meshing with the second gear 19, thereby driving the first pulley 21 on the top to rotate, and the first pulley 21 then drives the second pulley 23 to rotate through the transmission belt 24, and the second pulley 23 then drives the internal threaded rod 22 to slide downward under the limit of the slide rod 25 through a threaded connection relationship, which can drive the support block 9 to descend until the two sets of rotating plates 8 are fully opened, and the support block 9 is lowered to the lowest point at the same time, so that the support block 9 is attached to the ground to provide support for the base 1, and the device can be fixed in place, thereby improving the stability of the staff when working above the lifting platform 2. When lifting, the first motor 12 is started through an external controller, and the output end of the first motor 12 drives the lead screw 11 to rotate, and the lead screw 11 drives the threaded block 10 to move through the threaded connection relationship, and the threaded block 10 drives the first sliders 4 on both sides to slide toward the inner side of the base 1, thereby driving the second support rod 5 on the top of the first slider 4 to rotate, and the second support rod 5 cooperates with the first support rod 3 to push the lifting platform 2 to rise during the rotation process, and at the same time, the second slider 6 follows the first slider 4 to slide synchronously at the bottom of the lifting platform 2. When the lifting platform 2 rises to a suitable height, the first motor 12 can be turned off to stop the rise. The device can shrink and lower the lifting platform 2 when not in use, thereby reducing space. Occupancy, pushing the base 1 to cooperate with the universal wheel 26 can be moved, which can improve portability, and the device can adjust the height of the lifting platform 2 to any height through the first support rod 3 and the second support rod 5, avoiding the trouble of temporarily building the maintenance frame in the traditional technology, and by opening the rotating plate 8 inside the base 1, the support block 9 can be driven to descend at the same time, and then the ground is supported by the support block 9 to fix the device in the specified position, which improves the stability during work and effectively prevents shaking and tilting. The guardrail 27 provided can provide protection for the personnel at work and improves the safety of use. The external controller can facilitate the staff to quickly control the first motor 12 and the second motor 14.

[0027] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0029] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable maintenance stand, comprising a base (1), characterized in that: A lifting platform (2) is provided on the top of the base (1); a first support rod (3) is symmetrically rotatably connected to one side of the top of the base (1); a first slider (4) is symmetrically slidably connected to the side of the top of the base (1) away from the first support rod (3); the tops of the two first sliders (4) are both rotatably connected to the second support rod (5); a rotating shaft (7) is symmetrically fixedly connected to both sides of the interior of the base (1); a rotating plate (8) is rotatably connected to the exterior of the rotating shaft (7); a support block (9) is provided on one side of the bottom of the rotating plate (8); a lifting assembly is provided on the top of the base (1); and a transmission assembly is provided inside the base (1).

2. A portable maintenance stand according to claim 1, characterized in that: The lifting assembly comprises a second slider (6), the tops of the two first support rods (3) are rotatably connected to the second slider (6), the second slider (6) is slidably connected to one side of the bottom of the lifting platform (2), the top of the second support rod (5) is rotatably connected to the side of the bottom of the lifting platform (2) away from the second slider (6), the top side of the base (1) is rotatably connected to a lead screw (11) via a fixed block, the top side of the base (1) is fixedly connected to a first motor (12), the output end of the first motor (12) is fixedly connected to the lead screw (11), and a threaded block (10) is fixedly connected between the two first sliders (4) via a connecting rod, and the threaded block (10) is threadedly connected to the outside of the lead screw (11).

3. A portable maintenance stand according to claim 2, characterized in that: The transmission assembly comprises a rotating rod (13) and a linkage unit, wherein the rotating rod (13) is rotatably connected to two sides of the interior of the base (1), a second motor (14) is fixedly connected to one side of the exterior of the base (1), an output end of the second motor (14) extends to the interior of the base (1) and is fixedly connected to the rotating rod (13), a worm (15) is fixedly connected to two sides of the exterior of the rotating rod (13), a worm wheel (18) is symmetrically rotatably connected to two sides of the interior of the base (1) corresponding to the rotating plates (8), the worm (15) is meshingly connected to the worm wheel (18), the bottom of the worm wheel (18) is fixedly connected to the rotating plate (8), the exterior of the two rotating rods (13) is fixedly connected to a first gear (16), the exterior of the two first gears (16) is provided with a rack (17), the two first gears (16) are meshingly connected to the rack (17), and the support block (9) can be lowered by the linkage unit.

4. A portable maintenance stand according to claim 3, characterized in that: The linkage unit comprises a second gear (19), the second gear (19) is fixedly connected to the top of the rotating shaft (7), a third gear (20) is rotatably connected to one side of the interior of the rotating plate (8), the third gear (20) is meshingly connected to the second gear (19), a first belt pulley (21) is fixedly connected to the top of the third gear (20), a second belt pulley (23) is rotatably connected to the side of the interior of the rotating plate (8) away from the third gear (20), the first belt pulley (21) and the second belt pulley (23) are connected by a transmission belt (24), a threaded rod (22) is slidably connected to one side of the interior of the rotating plate (8), the threaded rod (22) is threadedly connected to the interior of the second belt pulley (23), and the support block (9) is fixedly connected to the bottom of the threaded rod (22).

5. A portable maintenance stand according to claim 4, characterized in that: A sliding rod (25) is fixedly connected to one side of the top of the support block (9), and the sliding rod (25) is slidably connected to the inside of the rotating plate (8). Universal wheels (26) are symmetrically installed on both sides of the bottom of the base (1).

6. A portable maintenance stand according to claim 5, characterized in that: Guardrails (27) are fixedly connected to both sides of the top of the lifting platform (2); the first motor (12) and the second motor (14) are electrically connected to an external controller; the worm gears (15) on both sides of the same rotating rod (13) are in opposite directions; and the worm gears (15) on the two rotating rods (13) are in opposite directions.

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