Adjustable supporting frame

Abstract

The utility model relates to the technical field of electric drive vehicle in-situ operation equipment, in particular to an adjustable supporting frame. Comprising two jack shells, second universal wheels are arranged on the two sides of the bottoms of the ends, away from each other, of the two jack shells correspondingly, a supporting mechanism is installed in each jack shell, and each supporting mechanism comprises a second supporting block, a coupler, a power screw, a base, a supporting arm, a supporting frame, a bearing bracket, a hinge nut and a supporting driving rotating motor; a second supporting block is fixed to one end in the jack shell, and a supporting and driving rotating motor is fixed to the top of the second supporting block. According to the adjustable supporting frame provided by the utility model, the jack shells, the supporting mechanism and the adjusting mechanism are matched, so that the adjusting mechanism works to drive the two jack shells to move reversely according to the position adjusting requirements of the jack shells; and therefore, the jack shell drives the supporting mechanism to lift the electrically-driven vehicles with different widths and then discharge the electrically-driven vehicles.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle in-situ running equipment, in particular to an adjustable support frame. Background Art

[0002] Nowadays, there are more and more pure electric and hybrid electric vehicles, including teaching vehicles and family vehicles. As a result, the problem of long-term parking of vehicles has also emerged, which will also affect the life of the power battery. The existing discharge methods include external equipment, lifting by a lift, etc., which are expensive and the equipment is large. Therefore, there is an urgent need for a small, portable, simple, safe and easy-to-operate discharge device;

[0003] The patent document with announcement number (CN215475204U) discloses a vehicle lifting platform chassis and a lifting platform, including an armrest assembly and a chassis assembly, wherein the armrest assembly is fixedly connected to the chassis assembly; the armrest assembly includes an armrest, a hydraulic cylinder and a front wheel, and the armrest is pressed down, and the front wheel is lifted under the action of the hydraulic cylinder; the chassis assembly includes a chassis, a rear wheel and a support column, and the support column is arranged at the bottom of the chassis, and the support column is located close to the armrest assembly. Through the above technical solution, the platform can be flexibly moved, and has high stability after being fixed.

[0004] To this end, an adjustable support frame is designed to provide another technical solution to the above technical problem. Utility Model Content

[0005] Based on this, it is necessary to provide an adjustable support frame to solve the technical problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A kind of adjustable support frame comprises two jack shells, and second universal wheels are arranged on both sides of the bottom of one end of the two jack shells away from each other, and a support mechanism is installed inside the jack shell, and the support mechanism comprises a second support block, a coupling, a power screw, a base, a support arm, a support frame, a load-bearing bracket, a hinge nut and a support driving rotating motor, a second support block is fixed at one end inside the jack shell, a support driving rotating motor is fixed on the top of the second support block, an output end of the support driving rotating motor is connected with a coupling, a power screw is fixed at one end of the coupling away from the support driving rotating motor, and an end of the power screw away from the support driving rotating motor is rotatably connected to the jack shell, hinge nuts are arranged at both ends of the outer side of the power screw, support arms are arranged on the outer sides of the two hinge nuts, the bottoms of the two support arms are rotatably connected with the base, a support frame is arranged on the outer side of the hinge nut and located on the inner side of the support arm, and the tops of the two support frames are rotatably connected with the load-bearing bracket.

[0008] As a preferred embodiment of the adjustable support frame provided by the utility model, rectangular grooves are provided inside the tops and bottoms of the two jack shells at one end away from each other.

[0009] As a preferred implementation of the adjustable support frame provided by the utility model, a buffer pad is fixed inside the top end of the load-bearing bracket.

[0010] As a preferred embodiment of the adjustable support frame provided by the utility model, the hinge nut includes a positioning nut, a rotating column and a positioning cover. The interior of the positioning nut is threadedly connected to the power screw, and rotating columns are fixed on both sides of the positioning nut. The outer side of the rotating column and the support arm and the outer side of the rotating column and the support frame are rotatably connected, and a positioning cover is fixed on the side of the rotating column away from the positioning nut.

[0011] As a preferred embodiment of the adjustable support frame provided by the utility model, both ends of the outer side of the power screw are provided with threaded sections, and the thread rotation directions of the two threaded sections are opposite, and the positioning nut is threadedly connected to the power screw through the threaded sections.

[0012] As a preferred embodiment of the adjustable support frame provided by the utility model, an adjustment mechanism is installed on one side between the two jack housings, and the adjustment mechanism includes a support plate, a first universal wheel, a first support block, a displacement drive rotating motor, a gearbox body, an active bevel gear, a driven bevel gear, a connecting shaft and a displacement threaded rod. A first universal wheel is arranged on the side of the bottom of the support plate away from the jack housing, a first support block is fixed on one side of the top of the support plate, a displacement drive rotating motor is fixed on the top of the first support block, and a gearbox body is fixed on the other side of the top of the support plate. A driving bevel gear is fixed at the output end of the displacement drive rotating motor and located inside the gearbox body, and driven bevel gears are meshed and connected at both ends of the driving bevel gear and located inside the gearbox body. A connecting shaft is fixed at one end of the driven bevel gear away from the active bevel gear, and the outer side of the connecting shaft is rotatably connected to the gearbox body. A displacement threaded rod is fixed on the side of the connecting shaft away from the driven bevel gear, and the outer side of the displacement threaded rod is threadedly connected to the jack housing.

[0013] As a preferred embodiment of the adjustable support frame provided by the utility model, the bottom of the two jack shells close to each other are provided with auxiliary mechanisms, and the auxiliary mechanisms include an auxiliary support platform, a third universal wheel, an anti-slip pad and a limit screw. The outer side of the bottom of the jack shell is slidably connected to the auxiliary support platform, both ends of the bottom of the auxiliary support platform are provided with third universal wheels, and the inner side of the top of the auxiliary support platform is slidably connected to the anti-slip pad.

[0014] As a preferred implementation of the adjustable support frame provided by the utility model, both ends of the two sides of the jack housing are threadedly connected with limit screws.

[0015] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0016] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0017] The utility model provides an adjustable support frame, through the cooperation of the jack housing, the support mechanism and the adjustment mechanism, so that according to the position adjustment needs of the jack housing, the adjustment mechanism drives the two jack housings to move in the opposite direction, so that the jack housing drives the support mechanism to lift and discharge electric vehicles of different widths;

[0018] Through the power screw, the support arm, the support frame, the load-bearing bracket and the buffer pad, after the jack housing is moved to the bottom of the electric drive vehicle through the second universal wheel, the rotation of the power screw drives the support frame and the support arm to rotate and adjust, so that the base is lowered and contacted with the ground for support, and the electric drive vehicle is positioned after being lifted through the contact between the load-bearing bracket and the electric drive vehicle;

[0019] Through the cooperation of the positioning nut, the rotating column and the positioning cover, the connection between the support arm and the support frame can be made more stable, and the movement of the positioning nut when the power screw rotates drives the connection between the two support arms and the two support frames to move in the opposite direction;

[0020] Through the cooperation of the driving bevel gear, the driven bevel gear, the connecting shaft and the displacement threaded rod, the driving bevel gear rotates inside the gearbox body, and the driven bevel gear drives the connecting shaft and the displacement threaded rod to rotate. The threads of the two displacement threaded rods rotate in opposite directions, so that the rotation of the displacement threaded rod drives the two jack housings to move in the opposite direction.

[0021] Through the cooperation of the auxiliary support platform, anti-slip pad and limit screws, a slidingly connected auxiliary support platform can be installed at one end of the bottom of the jack housing close to the support plate as needed, and the end of the jack housing close to the support plate can be supported again through the cooperation of the auxiliary support platform and the third universal wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the utility model;

[0024] Figure 2 It is a side view of the first embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of the jack housing of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the hinged nut of the utility model;

[0027] Figure 5 This is a structural schematic diagram of the positioning nut of the utility model;

[0028] Figure 6 This is a schematic diagram of the internal structure of the gearbox body of the utility model;

[0029] Figure 7 This is a schematic diagram of the overall structure of the second embodiment of the present utility model;

[0030] Figure 8 It is a structural schematic diagram of the auxiliary support platform of the utility model.

[0031] In the figure: 1. support plate; 2. first universal wheel; 3. first support block; 4. displacement drive rotating motor; 5. gearbox body; 6. active bevel gear; 7. driven bevel gear; 8. connecting shaft; 9. displacement threaded rod; 10. jack housing; 11. second universal wheel; 12. second support block; 13. coupling; 14. power screw; 15. base; 16. support arm; 17. support frame; 18. load-bearing bracket; 19. buffer pad; 20. hinge nut; 21. positioning nut; 22. rotating column; 23. positioning cover; 24. auxiliary support platform; 25. third universal wheel; 26. anti-skid pad; 27. limit screw; 28. support drive rotating motor. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] Embodiment 1

[0037] Reference Figure 1-Figure 6An adjustable support frame includes two jack housings 10. Rectangular grooves are provided inside the tops and bottoms of the two jack housings 10 at one end away from each other, so that the internal structure of the jack housing 10 can be extended through the rectangular grooves. Second universal wheels 11 are provided on both sides of the bottoms of the two jack housings 10 at one end away from each other. A support mechanism is installed inside the jack housing 10, so that the electric drive vehicle can be lifted, adjusted and positioned by the support mechanism. The support mechanism includes a second support block 12, a coupling 13, a power screw 14, a base 15, a support arm 16, a support frame 17, a load-bearing bracket 18, a buffer pad 19, a hinge nut 20 and a support drive Rotating motor 28, a second supporting block 12 is fixed at one end inside the jack housing 10, a supporting driving rotating motor 28 is fixed on the top of the second supporting block 12, a coupling 13 is connected to the output end of the supporting driving rotating motor 28, a power screw 14 is fixed to the end of the coupling 13 away from the supporting driving rotating motor 28, so that the coupling 13 and the power screw 14 as well as the coupling 13 and the output end of the supporting driving rotating motor 28 are connected and fixed by set screws, and the end of the power screw 14 away from the supporting driving rotating motor 28 is rotatably connected to the jack housing 10, so that the position of the hinge nut 20 is supported by the power screw 14;

[0038] Both ends of the outer side of the power screw 14 are provided with hinge nuts 20, and the outer sides of the two hinge nuts 20 are provided with support arms 16, so that the support arms 16 can be adjusted on the outer sides of the hinge nuts 20, and the bottoms of the two support arms 16 are rotatably connected with a base 15, so that the base 15 can extend through the bottom rectangular groove on the jack housing 10, so that the base 15 extends out of the jack housing 10 and contacts the ground for support, and a support frame 17 is provided on the outer side of the hinge nut 20 and located on the inner side of the support arm 16, and the tops of the two support frames 17 are rotatably connected with a load-bearing bracket 18, so that the approach of the connection between the two support frames 17 and the support arm 16 drives the load-bearing bracket 18 to rise, and the lifting and lowering of the load-bearing bracket 18 can extend or retract into the inside of the jack housing 10 through the rectangular groove on the top of the jack housing 10, and a buffer pad 19 is fixed inside the top of the load-bearing bracket 18, so that the rise of the load-bearing bracket 18 lifts the electric drive vehicle, and at the same time, the buffering effect is increased by the buffer pad 19;

[0039] The hinge nut 20 includes a positioning nut 21, a rotating column 22 and a positioning cover 23. The interior of the positioning nut 21 is threadedly connected to the power screw 14. Both ends of the outer side of the power screw 14 are provided with threaded sections, and the threads of the two threaded sections are in opposite directions. The positioning nut 21 is threadedly connected to the power screw 14 through the threaded sections, so that the rotation of the power screw 14 drives the connection between the support arm 16 and the support frame 17 to move through the positioning nut 21 in the hinge nut 20. Rotating columns 22 are fixed on both sides of the positioning nut 21. The outer side of the rotating column 22 and the support arm 16, and the outer side of the rotating column 22 and the support frame 17 are rotationally connected, so that the movement of the positioning nut 21 drives the connection between the support arm 16 and the support frame 17 to move through the rotating column 22. A positioning cover 23 is fixed on the side of the rotating column 22 away from the positioning nut 21, so that the rotating column 22 does not separate from the support arm 16 and the support frame 17 through the positioning cover 23;

[0040] An adjustment mechanism is installed on one side between the two jack housings 10, which is used to drive the two jack housings 10 to move closer to or away from each other through the adjustment mechanism. The adjustment mechanism includes a support plate 1, a first universal wheel 2, a first support block 3, a displacement drive rotating motor 4, a gearbox body 5, an active bevel gear 6, a driven bevel gear 7, a connecting shaft 8 and a displacement threaded rod 9. A first universal wheel 2 is provided on the side of the bottom of the support plate 1 away from the jack housing 10, so that a triangle is formed between the support plate 1 and the two jack housings 10 to increase stability, and the support plate 1 and the two jack housings 10 are moved by the cooperation of the first universal wheel 2 and the second universal wheel 11. A first support block 3 is fixed on one side of the top of the support plate 1, and a displacement drive rotating motor 4 is fixed on the top of the first support block 3, so that the displacement drive rotating motor 4 is supported and fixed by the first support block 3;

[0041] A gearbox body 5 is fixed to the other side of the top of the support plate 1, and the two jack housings 10 can approach and contact each other through the gap with the gearbox body 5. A driving bevel gear 6 is fixed at the output end of the displacement driving rotation motor 4 and located inside the gearbox body 5. Both ends of the driving bevel gear 6 and located inside the gearbox body 5 are meshed and connected with driven bevel gears 7, so that the rotation of the driving bevel gear 6 drives the two meshed driven bevel gears 7 to rotate in the opposite direction. A connecting shaft 8 is fixed to the end of the driven bevel gear 7 away from the driving bevel gear 6, and the outer side of the connecting shaft 8 is rotationally connected to the gearbox body 5, so that the rotation of the driven bevel gear 7 drives the connecting shaft 8 to rotate stably inside the gearbox body 5; a displacement threaded rod 9 is fixed to the side of the connecting shaft 8 away from the driven bevel gear 7, and the outer side of the displacement threaded rod 9 is threadedly connected to the jack housing 10. At the same time, the displacement threaded rod 9 is located on one side of the support arm 16, so that the rotation of the two displacement threaded rods 9 drives the two jack housings 10 to move closer to each other or away from each other and move simultaneously.

[0042] The use process of an adjustable support frame provided by the utility model is as follows: when in use, the driving bevel gear 6 is driven to rotate by the displacement driving rotary motor 4, so that the rotation of the driving bevel gear 6 drives the two driven bevel gears 7 in meshing connection to rotate, and the rotation of the driven bevel gear 7 drives the displacement threaded rod 9 to rotate through the connecting shaft 8, so that the reverse rotation of the two driven bevel gears 7 drives the two displacement threaded rods 9 to rotate in the reverse direction, and the reverse rotation of the two displacement threaded rods 9 drives the two threadedly connected jack housings 10 to move, so that the two jack housings 10 move in opposite directions to each other, thereby moving the jack housings 10 to a specified position, and then allowing The support driving rotating motor 28 is energized to drive the power screw 14 to rotate through the coupling 13, and the rotation of the power screw 14 drives the two hinge nuts 20 to move closer to each other through the threaded positioning nut 21, and the movement of the hinge nut 20 drives the connection between the support arm 16 and the support frame 17 to move, so that the connection between the two support arms 16 and the support frame 17 is moved closer to each other to drive the load-bearing bracket 18 to rise, and drive the base 15 to descend, so that the base 15 contacts the bottom ground to increase stability. At this time, the jack housing 10 cannot continue to translate, and at the same time, the rise of the load-bearing bracket 18 lifts the electric-drive vehicle through the buffer pad 19, thereby performing on-site discharge work.

[0043] Embodiment 2

[0044] Reference Figure 7-Figure 8 , an adjustable support frame, the bottom of the two jack housings 10 close to each other at one end are provided with auxiliary mechanisms, the auxiliary mechanisms include an auxiliary support platform 24, a third universal wheel 25, an anti-skid pad 26 and a limit screw 27, the outer side of the bottom of the jack housing 10 is slidably connected with the auxiliary support platform 24, so that the top of the auxiliary support platform 24 can be slidably installed on the bottom of the jack housing 10, and the two ends of the bottom of the auxiliary support platform 24 are provided with a third universal wheel 25, so that the auxiliary support platform 24 can move through the third universal wheel 25, and the top of the auxiliary support platform 24 is internally slidably connected with an anti-skid pad 26, so that the movement of the jack housing 10 drives the auxiliary support platform 24 to move through the anti-skid pad 26, and the two ends on both sides of the jack housing 10 are threadedly connected with the limit screws 27, so that the auxiliary support platform 24 is on the outer side of the bottom of the jack housing 10, and the travel is limited by two limit screws 27.

[0045] The use process of an adjustable support frame provided by the utility model is as follows: when in use, an anti-skid pad 26 is installed inside the top of the auxiliary support platform 24, and then the auxiliary support platform 24 is installed on the bottom of the jack housing 10 through a sliding connection as needed, and the stroke is limited by two jack housings 10 installed on both sides of the jack housing 10, and the movement of the jack housing 10 is used to increase the friction force through the anti-skid pad 26 to drive the auxiliary support platform 24 to move through the third universal wheel 25.

[0046] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable support frame, characterized in that: The invention comprises two jack housings (10), wherein the two jack housings (10) are provided with second universal wheels (11) on both sides of the bottom of one end away from each other, and a support mechanism is installed inside the jack housing (10), wherein the support mechanism comprises a second support block (12), a coupling (13), a power screw (14), a base (15), a support arm (16), a support frame (17), a load-bearing bracket (18), a hinge nut (20) and a support driving rotating motor (28), wherein a second support block (12) is fixed at one end inside the jack housing (10), a support driving rotating motor (28) is fixed at the top of the second support block (12), and an output of the support driving rotating motor (28) is provided. The end of the coupling (13) is connected to a coupling (13), and a power screw (14) is fixed to the end of the coupling (13) away from the support driving rotating motor (28). The end of the power screw (14) away from the support driving rotating motor (28) is rotatably connected to the jack housing (10), and both ends of the outer side of the power screw (14) are provided with hinge nuts (20), and the outer sides of the two hinge nuts (20) are provided with support arms (16), and the bottoms of the two support arms (16) are rotatably connected to a base (15), and a support frame (17) is provided on the outer side of the hinge nut (20) and located on the inner side of the support arm (16), and the tops of the two support frames (17) are rotatably connected to a load-bearing bracket (18).

2. An adjustable support frame according to claim 1, characterized in that: Rectangular grooves are provided inside the tops and bottoms of the two jack housings (10) at one end away from each other.

3. The adjustable support frame according to claim 1, characterized in that: A buffer pad (19) is fixed inside the top end of the load-bearing bracket (18).

4. The adjustable support frame according to claim 1, characterized in that: The hinge nut (20) comprises a positioning nut (21), a rotating column (22) and a positioning cover (23); the interior of the positioning nut (21) is threadedly connected to the power screw (14); rotating columns (22) are fixed on both sides of the positioning nut (21); the outer side of the rotating column (22) is rotationally connected to the support arm (16) and the outer side of the rotating column (22) is rotationally connected to the support frame (17); and the positioning cover (23) is fixed on the side of the rotating column (22) away from the positioning nut (21).

5. The adjustable support frame according to claim 4, characterized in that: Both ends of the outer side of the power screw rod (14) are provided with threaded sections, and the threaded directions of the two threaded sections are opposite. The positioning nut (21) is threadedly connected to the power screw rod (14) via the threaded sections.

6. The adjustable support frame according to claim 1, characterized in that: An adjustment mechanism is installed on one side between the two jack housings (10), and the adjustment mechanism comprises a support plate (1), a first universal wheel (2), a first support block (3), a displacement driving rotating motor (4), a gearbox body (5), a driving bevel gear (6), a driven bevel gear (7), a connecting shaft (8) and a displacement threaded rod (9), wherein the first universal wheel (2) is arranged on the side of the bottom of the support plate (1) away from the jack housing (10), the first support block (3) is fixed on one side of the top of the support plate (1), the displacement driving rotating motor (4) is fixed on the top of the first support block (3), and the other side of the top of the support plate (1) is fixed on the other side of the top of the support plate (1). A gearbox body (5) is fixed on one side, a driving bevel gear (6) is fixed at the output end of the displacement driving rotary motor (4) and located inside the gearbox body (5), both ends of the driving bevel gear (6) and located inside the gearbox body (5) are meshedly connected with driven bevel gears (7), a connecting shaft (8) is fixed at one end of the driven bevel gear (7) away from the driving bevel gear (6), the outer side of the connecting shaft (8) is rotationally connected to the gearbox body (5), a displacement threaded rod (9) is fixed at one side of the connecting shaft (8) away from the driven bevel gear (7), and the outer side of the displacement threaded rod (9) is threadedly connected to a jack housing (10).

7. The adjustable support frame according to claim 1, characterized in that: The bottoms of the two jack housings (10) close to one end are each provided with an auxiliary mechanism, the auxiliary mechanism comprising an auxiliary support platform (24), a third universal wheel (25), an anti-skid pad (26) and a limit screw (27); the outer side of the bottom of the jack housing (10) is slidably connected to the auxiliary support platform (24); the two ends of the bottom of the auxiliary support platform (24) are each provided with a third universal wheel (25); the top of the auxiliary support platform (24) is internally slidably connected to the anti-skid pad (26).

8. The adjustable support frame according to claim 7, characterized in that: Both ends of the jack housing (10) are threadedly connected with limit screws (27).

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