Multi-terrain variable-wheel-track power platform

Abstract

The invention relates to the technical field of logistics equipment, and discloses a multi-terrain variable-wheel-track power platform which comprises four symmetrically arranged wheel bodies, two U-shaped plates, a mounting frame and a second motor, and further comprises a transverse adjusting mechanism, a transverse adjusting mechanism, a transverse adjusting mechanism and a transverse adjusting mechanism, the mounting frame is arranged between the two transversely adjacent wheel bodies, and a longitudinal adjusting mechanism is arranged in the mounting frame; a first motor is installed on the inner side of the wheel body, the transverse adjusting mechanism comprises symmetrically-arranged transverse strips, the first motor and the transverse strips are fixedly installed, a top plate is fixedly connected to one sides of the tops of every two adjacent transverse strips, and moving plates are symmetrically installed at the bottom of the mounting frame. Damping telescopic rods are rotationally mounted on the sides, close to the wheel bodies, of the moving plates, and the problems that a large-size moving platform is inconvenient to carry and use in a small moving aisle, and the using effect and carrying efficiency of the moving platform are reduced are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics equipment, and in particular to a multi-terrain variable wheelbase power platform. Background Art

[0002] Many existing logistics warehouses use miniaturized mobile cart platforms that can quickly transfer and move goods or commodities. In order to adapt to the mobile use in different workshops, mobile platforms with different wheelbase sizes are generally required for cargo transportation. Larger mobile platforms are not convenient for transportation in smaller mobile aisles, which brings inconvenience to actual use.

[0003] For example, a logistics mobile platform with announcement number CN213109430U includes a pair of longitudinal frame bars arranged opposite to each other and a pair of transverse frame bars arranged opposite to each other, and a connecting seat is provided between one end of an adjacent longitudinal frame bar and one end of a transverse frame bar, and the connecting seat is detachably installed with one end of the longitudinal frame bar and one end of the transverse frame bar at the same time, so that the two longitudinal frame bars and the two transverse frame bars are combined to form a mobile platform frame; the connecting seat includes a connecting seat bottom panel constructed in a right-angled triangle shape, and a connecting seat upper edge plate is formed upward at the outer edges of the two long right-angled sides of the connecting seat bottom panel, and a connecting seat accommodating cavity is formed between the connecting seat bottom panel and the connecting seat upper edge plate, and universal wheels are installed under the connecting seat to meet the movement requirements of goods of different specifications. However, mobile platforms of larger sizes are not convenient for transportation and use in smaller mobile aisles, which limits the scope of application, reduces the use effect and transportation efficiency of the mobile platform, and has certain defects.

[0004] Therefore, a multi-terrain variable wheelbase power platform is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a multi-terrain variable wheelbase power platform to solve the problem that a larger-sized mobile platform is not convenient to transport and use in a smaller mobile aisle, which reduces the use effect and transportation efficiency of the mobile platform.

[0006] To achieve the above object, the present invention provides the following technical solutions: a multi-terrain variable wheelbase power platform, comprising a wheel body, a U-shaped plate, a mounting frame and a second motor, wherein four wheel bodies are symmetrically arranged, two U-shaped plates are arranged, and auxiliary wheels are symmetrically fixedly installed at the bottom of the mounting frame; Also includes: A transverse adjustment mechanism is arranged between two of the wheel bodies that are laterally adjacent to each other, and a longitudinal adjustment mechanism is arranged inside the mounting frame; A motor 1 is installed on the inner side of the wheel body, and the lateral adjustment mechanism includes symmetrically arranged horizontal bars, the motor 1 is fixedly installed on the horizontal bars, and a top plate is fixedly connected to one side of the top of two adjacent horizontal bars, and a movable plate is symmetrically installed on the bottom of the mounting frame, and a shock-absorbing telescopic rod is rotatably installed on one side of the movable plate close to the wheel body, and oblique rods are symmetrically installed on the front and rear sides of the movable plate; The top end of the inclined rod is rotatably connected to the movable plate, the bottom end of the inclined rod is fixedly connected to a sliding rod, the sliding rod is slidably connected to the horizontal bar, a shock-absorbing pressure rod is installed between the top plate and the bottom of the U-shaped plate, and a top block is fixedly connected to one side of the top of the movable plate; A double-headed screw rod 1 is rotatably mounted on the inner bottom surface of the U-shaped plate, a belt portion 1 is fixedly mounted between the output end of the motor 2 and the double-headed screw rod 1, a threaded sleeve is symmetrically fixedly connected to the outer side of the double-headed screw rod 1, connecting rods are symmetrically fixedly connected to the two sides of the threaded sleeve, and the connecting rods are fixedly connected to the top block; A fixed cylinder is vertically fixedly connected to the inner side of the movable plate, an inner rod is fixedly connected to the top side of the top plate, the inner rod is slidably connected to the fixed cylinder, a conical cylinder is fixedly connected to one side of the fixed cylinder, the top of the movable plate is rotatably connected to a vertical rod, and a fan blade is fixedly connected to the middle part of the outer side of the vertical rod.

[0007] Preferably, the output end of motor one is fixedly connected to the wheel body, the horizontal bars are symmetrically fixedly installed on both sides of the outside of motor one, the outer shell of the shock-absorbing telescopic rod is rotatably connected to motor one, and the telescopic end of the shock-absorbing telescopic rod is rotatably connected to the movable plate.

[0008] By adopting the above technical solution, by starting motor 2, motor 2 drives double-headed screw 1 to rotate through belt part 1, which is convenient for increasing the lateral wheelbase. When the wheel body is bumped, the soft rubber scraper can be swung and scraped.

[0009] Preferably, the diagonal rods include two front and rear groups, each group of the diagonal rods includes two V-shaped groups, the interior of the horizontal bar is symmetrically provided with transverse grooves, the sliding rods are slidably connected to the transverse grooves, and a spring is fixedly installed between adjacent diagonal rods.

[0010] By adopting the above technical solution, when the wheel body is bumped, the two oblique rods are spread out to both sides, and the oblique rods drive the sliding rods to slide inside the transverse grooves. The spring assists the spread of the oblique rods, and the shock-absorbing telescopic rods are contracted to absorb shock.

[0011] Preferably, the outer shell of the shock-absorbing pressure rod is rotatably connected to the top plate, the telescopic end of the shock-absorbing pressure rod is rotatably connected to the U-shaped plate, the side walls of the U-shaped plate are symmetrically provided with side grooves, the connecting rod is slidably connected to the side grooves, the top middle of the U-shaped plate is fixedly connected with a top frame, and the motor 2 is fixedly installed on the inner side of the top frame.

[0012] By adopting the above technical solution, motor 2 drives double-headed screw 1 to rotate through belt part 1, and the rotation of double-headed screw 1 makes the two threaded sleeves move away from or closer to each other, the threaded sleeves drive the connecting rods on both sides to move, the connecting rods drive the top block to move, and the top block drives the moving plate to move, which is convenient for increasing the lateral wheelbase.

[0013] Preferably, the movable plate is rotatably connected to the top of one side close to the wheel body, a belt portion 2 is fixedly installed between the side shaft and the vertical rod, a torsion spring 1 is sleeved on the upper outer portion of the side shaft, a push strip is fixedly connected to the middle outer portion of the side shaft, a soft rubber scraper is rotatably installed on one side of the movable plate, a spring 2 is sleeved on the outer lower portion of the inner rod, the bottom end of the spring 2 is fixedly connected to the top plate, and the top end of the spring 2 is fixedly connected to the fixed cylinder.

[0014] By adopting the above technical solution, when the horizontal bar drives the top plate to move up, the top plate drives the inner rod to slide into the fixed cylinder, and the inner rod compresses the air inside the fixed cylinder, so that the air is ejected from the conical cylinder, and the gas blows the fan blades to rotate, which is convenient for the subsequent swinging scraping of the soft rubber scraper.

[0015] Preferably, the fixed cylinder is communicated with the conical cylinder, the top of the movable plate is also fixedly connected to a bracket, the side shaft is rotatably connected to the bracket, the two ends of the torsion spring one are respectively fixedly connected to the bracket and the push strip, one side of the movable plate is fixedly connected to a mounting plate, the top of the mounting plate is rotatably connected to a rotating rod, the outer lower part of the rotating rod is sleeved with a torsion spring 2, and the outer middle part of the rotating rod is fixedly connected to a side strip.

[0016] By adopting the above technical solution, when the side shaft rotates, it will act on the torsion spring and drive the push bar to swing, the push bar pushes the side bar to swing, and the side bar drives the rotating rod and the soft rubber scraper to swing.

[0017] Preferably, a soft rubber scraper is fixedly connected to the top of the rotating rod, the bottom end of the second torsion spring is fixedly connected to the mounting plate, the top end of the second torsion spring is fixedly connected to the bottom of the side strip, and the push strip abuts against the side strip.

[0018] By adopting the above technical solution, the second torsion spring is used for resetting the side strip and the soft rubber scraper.

[0019] Preferably, a motor three and a reducer are fixedly installed on the inner bottom surface of the mounting frame, the output end of the motor three is fixed to the input end of the reducer, the longitudinal adjustment mechanism includes a double-ended screw rod two, the double-ended screw rod two is fixed to the output end of the reducer, the double-ended screw rod two is rotatably connected to the mounting frame, the U-shaped plate is fixedly connected to an inner plate on one side close to the mounting frame, the inner plate is fixedly connected to an L-shaped plate on one side close to the mounting frame, and the L-shaped plate is threadedly connected to the double-ended screw rod two.

[0020] By adopting the above technical solution, by starting the motor three, the double-headed screw rod two can be driven to rotate, so that the L-shaped plates are moved closer to or farther away from each other, which is convenient for adjusting the distance between the two L-shaped plates, thereby facilitating the adjustment of the distance between the two U-shaped plates.

[0021] Preferably, a limiting rod is symmetrically fixedly connected to one side of the inner plate close to the mounting frame, a fixing sleeve is fixedly connected to one side of the mounting frame close to the inner plate, the limiting rod is slidably connected to the fixing sleeve, there are no less than two limiting rods, and the number of the fixing sleeves is the same as the limiting rods.

[0022] By adopting the above technical solution, the fixing sleeve and the limiting rod limit the L-shaped plate, and the limiting rod and the fixing sleeve are symmetrically arranged, thereby improving the adjustment stability.

[0023] Compared with the prior art, the present invention has the following beneficial effects: (1) A lateral adjustment mechanism is provided. When the lateral wheelbase needs to be adjusted, the operator starts the second motor, and the second motor drives the double-headed screw first to rotate through the belt part. The rotation of the double-headed screw first causes the two threaded sleeves to move away from or closer to each other, which is convenient for increasing the lateral wheelbase. When the wheel body is bumped, the soft rubber scraper can swing and scrape, thereby improving the scraping and cleaning effect of the wheel body and the stability of the device during driving; (2) A lateral adjustment mechanism is provided. When the lateral wheelbase needs to be adjusted, the operator starts the second motor, and the second motor drives the double-headed screw rod to rotate through the first belt part. The rotation of the double-headed screw rod causes the two threaded sleeves to move away from or closer to each other. The threaded sleeve drives the connecting rods on both sides to move, the connecting rod drives the top block to move, the top block drives the moving plate to move, the moving plate drives the top plate and the cross bar to move, and the cross bar drives the first motor and the wheel body to move outward, which is convenient for increasing the lateral wheelbase. The top plate drives the shock-absorbing pressure rod to rotate, and the shock-absorbing pressure rod is stretched to assist the sliding of the top plate, which is convenient for the device to be moved in aisles of different widths; (3) When the wheel body is bumped, the wheel body drives the motor 1 and the horizontal bar to move upward, and the position of the moving plate remains unchanged. At this time, the two oblique rods are expanded to both sides, and the oblique rod drives the sliding rod to slide inside the horizontal groove. The spring 1 assists the expansion of the oblique rod. At this time, the shock-absorbing telescopic rod contracts to reduce shock, thereby reducing the overall bumping of the device, and the horizontal bar drives the top plate to move upward, and the top plate drives the inner rod to slide into the fixed cylinder. The top plate compresses the spring 2, and the inner rod compresses the air inside the fixed cylinder, so that the air is ejected from the conical cylinder, and the gas blows the fan blade to rotate, and the fan blade drives the vertical rod to rotate, and the vertical rod drives the side shaft to rotate through the belt part 2. The side shaft acts on the torsion spring 1 and drives the push bar to swing. The push bar drives the side bar to swing, and the side bar drives the rotating rod and the soft rubber scraper to swing. At the same time, the side bar acts on the torsion spring 2, so that when the wheel body is bumped, it can assist the swinging and scraping of the soft rubber scraper, thereby improving the scraping and cleaning effect of the wheel body, reducing the adhesion of debris, and improving the stability of the device during driving; (4) A longitudinal adjustment mechanism is provided. The operator starts the motor three. After the motor three is decelerated and the torque is increased through the reducer, it can drive the double-headed screw two to rotate. The fixed sleeve and the limit rod limit the L-shaped plate. The rotation of the double-headed screw two makes the L-shaped plates move closer or farther away from each other, which is convenient for adjusting the distance between the two L-shaped plates. The L-shaped plate drives the inner plate to move. The inner plate drives the limit rod to slide inside the fixed sleeve. The inner plate drives the U-shaped plate to move, thereby facilitating the adjustment of the longitudinal wheelbase of the device, improving the applicability, and solving the problem that a large-sized mobile platform is not convenient for transportation and use in a small mobile aisle, thereby reducing the use effect and transportation efficiency of the mobile platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the first three-dimensional overall structure of the present invention.

[0025] Figure 2 It is a schematic diagram of the second three-dimensional overall structure of the present invention.

[0026] Figure 3 This is a schematic diagram of the soft rubber scraper installation structure of the present invention.

[0027] Figure 4 For the present invention Figure 3 Enlarged structural diagram at A in the middle.

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure of the U-shaped plate of the present invention.

[0029] Figure 6 For the present invention Figure 5 Enlarged structural diagram at B in the middle.

[0030] Figure 7 It is a schematic diagram of the lateral wheelbase adjustment of the present invention.

[0031] Figure 8 It is a schematic diagram of the cross-sectional structure of the tapered cylinder of the present invention.

[0032] Fig. 9 For the present invention Figure 8 Enlarged structural diagram at point C in the middle.

[0033] Fig.10 This is a schematic diagram of the installation structure of the reducer of the present invention.

[0034] Fig.11 This is a schematic diagram of the auxiliary wheel installation structure of the present invention.

[0035] Fig.12 It is a schematic diagram of the installation structure of the limit rod of the present invention.

[0036] In the figure: 1, wheel body; 2, U-shaped plate; 3, mounting frame; 4, lateral adjustment mechanism; 41, horizontal bar; 42, top plate; 43, moving plate; 44, shock-absorbing telescopic rod; 45, oblique rod; 46, horizontal groove; 47, sliding rod; 48, spring 1; 49, shock-absorbing pressure rod; 410, top block; 411, connecting rod; 412, side groove; 413, double-headed screw rod 1; 414, belt part 1; 415, threaded sleeve; 416, top frame; 417, fixed cylinder; 418, inner rod; 419, spring 2; 420 , conical cylinder; 421, vertical rod; 422, fan blade; 423, bracket; 424, side shaft; 425, belt part two; 426, torsion spring one; 427, push bar; 428, mounting plate; 429, rotating rod; 430, soft rubber scraper; 431, torsion spring two; 432, side bar; 5, longitudinal adjustment mechanism; 51, double-headed screw two; 52, inner plate; 53, L-shaped plate; 54, limit rod; 55, fixing sleeve; 6, motor one; 7, motor two; 8, auxiliary wheel; 9, motor three; 10, reducer. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 12 The present invention provides a technical solution: a multi-terrain variable wheelbase power platform, including a wheel body 1, a U-shaped plate 2, a mounting frame 3 and a motor 7, the wheel body 1 is symmetrically arranged with four, the U-shaped plate 2 is arranged with two, and the bottom of the mounting frame 3 is symmetrically fixed with auxiliary wheels 8.

[0039] The lateral adjustment mechanism 4 is arranged between two wheel bodies 1 which are adjacent to each other in the lateral direction.

[0040] A motor 6 is installed on the inner side of the wheel body 1, and the lateral adjustment mechanism 4 includes symmetrically arranged horizontal bars 41, the motor 6 is fixedly installed on the horizontal bars 41, and a top plate 42 is fixedly connected to one side of the top of two adjacent horizontal bars 41, and a movable plate 43 is symmetrically installed on the bottom of the mounting frame 3, and a shock-absorbing telescopic rod 44 is rotatably installed on one side of the movable plate 43 close to the wheel body 1, and inclined rods 45 are symmetrically installed on the front and rear sides of the movable plate 43.

[0041] The output end of motor 16 is fixedly connected to the wheel body 1, the horizontal bars 41 are symmetrically fixedly installed on both sides of the outside of motor 16, the outer shell of the shock-absorbing telescopic rod 44 is rotatably connected to motor 16, and the telescopic end of the shock-absorbing telescopic rod 44 is rotatably connected to the moving plate 43.

[0042] The top end of the inclined rod 45 is rotatably connected to the movable plate 43, the bottom end of the inclined rod 45 is fixedly connected to a sliding rod 47, the sliding rod 47 is slidably connected to the horizontal bar 41, a shock-absorbing pressure rod 49 is installed between the top plate 42 and the bottom of the U-shaped plate 2, and a top block 410 is fixedly connected to one side of the top of the movable plate 43.

[0043] The inclined rods 45 include two groups, front and rear, each group of inclined rods 45 includes two V-shaped ones. The interior of the horizontal bar 41 is symmetrically provided with transverse grooves 46 , and the sliding rods 47 are slidably connected to the transverse grooves 46 . A spring 48 is fixedly installed between adjacent inclined rods 45 .

[0044] A double-headed screw rod 413 is rotatably installed on the inner bottom surface of the U-shaped plate 2, a belt portion 414 is fixedly installed between the output end of the motor 2 7 and the double-headed screw rod 413, a threaded sleeve 415 is symmetrically fixedly connected to the outer side of the double-headed screw rod 413, and connecting rods 411 are symmetrically fixedly connected to both sides of the threaded sleeve 415, and the connecting rods 411 are fixedly connected to the top block 410.

[0045] The outer shell of the shock-absorbing pressure rod 49 is rotatably connected to the top plate 42, the telescopic end of the shock-absorbing pressure rod 49 is rotatably connected to the U-shaped plate 2, the side wall of the U-shaped plate 2 is symmetrically provided with side grooves 412, the connecting rod 411 is slidably connected to the side grooves 412, and a top frame 416 is fixedly connected to the middle of the top of the U-shaped plate 2, and the motor 27 is fixedly installed on the inner side of the top frame 416.

[0046] A fixed cylinder 417 is vertically fixedly connected to the inner side of the movable plate 43, an inner rod 418 is fixedly connected to the top side of the top plate 42, the inner rod 418 is slidably connected to the fixed cylinder 417, a conical cylinder 420 is fixedly connected to one side of the fixed cylinder 417, the top of the movable plate 43 is rotatably connected to a vertical rod 421, and a fan blade 422 is fixedly connected to the middle part of the outer side of the vertical rod 421.

[0047] A spring 2 419 is sleeved on the outer side of the lower part of the inner rod 418, the bottom end of the spring 2 419 is fixedly connected to the top plate 42, the top of the spring 2 419 is fixedly connected to the fixed cylinder 417, the fixed cylinder 417 is communicated with the conical cylinder 420, the top of the movable plate 43 is also fixedly connected to a bracket 423, the side shaft 424 is rotatably connected to the bracket 423, and the two ends of the torsion spring 1 426 are fixedly connected to the bracket 423 and the push strip 427 respectively.

[0048] A side shaft 424 is rotatably connected to the top of one side of the movable plate 43 close to the wheel body 1, a belt portion 425 is fixedly installed between the side shaft 424 and the vertical rod 421, a torsion spring 426 is sleeved on the upper outer portion of the side shaft 424, a push bar 427 is fixedly connected to the middle outer portion of the side shaft 424, and a soft rubber scraper 430 is rotatably installed on one side of the movable plate 43.

[0049] A mounting plate 428 is fixedly connected to one side of the movable plate 43 , a rotating rod 429 is rotatably connected to the top of the mounting plate 428 , a torsion spring 431 is sleeved on the lower outer side of the rotating rod 429 , and a side bar 432 is fixedly connected to the middle outer side of the rotating rod 429 .

[0050] The top of the rotating rod 429 is fixedly connected with a soft rubber scraper 430 , the bottom of the second torsion spring 431 is fixedly connected with the mounting plate 428 , the top of the second torsion spring 431 is fixedly connected with the bottom of the side bar 432 , and the push bar 427 abuts against the side bar 432 .

[0051] Embodiment 1: Figure 1-Figure 9 As shown, when the lateral wheelbase needs to be adjusted, the operator starts the motor 27, and the motor 27 drives the double-headed screw 1 413 to rotate through the belt part 1 414. The rotation of the double-headed screw 1 413 makes the two threaded sleeves 415 move away from or close to each other, and the threaded sleeves 415 drive the connecting rods 411 on both sides to move, and the connecting rods 411 drive the top block 410 to move, and the top block 410 drives the moving plate 43 to move, and the moving plate 43 drives the top plate 42 and the cross bar 41 to move, and the cross bar 41 drives the motor 16 and the wheel body 1 to move outward, so as to increase the lateral wheelbase, and the top plate 42 drives the shock-absorbing pressure rod 49 to rotate, and the shock-absorbing pressure rod 49 is stretched to assist the sliding of the top plate 42, so as to facilitate the device to be driven and transported in aisles of different widths.

[0052] When the wheel body 1 is bumped, the wheel body 1 drives the motor 6 and the horizontal bar 41 to move upward, and the movable plate 43 remains unchanged. At this time, the two inclined rods 45 are spread out to both sides, and the inclined rods 45 drive the sliding rods 47 to slide inside the horizontal grooves 46. The springs 48 assist the spreading of the inclined rods 45. At this time, the shock-absorbing telescopic rods 44 contract to absorb shock, thereby reducing the overall bumping of the device.

[0053] The horizontal bar 41 drives the top plate 42 to move upward, and the top plate 42 drives the inner rod 418 to slide into the fixed cylinder 417. The top plate 42 compresses the second spring 419, and the inner rod 418 compresses the air inside the fixed cylinder 417, so that the air is ejected from the conical cylinder 420, and the gas blows the fan blade 422 to rotate, and the fan blade 422 drives the vertical rod 421 to rotate, and the vertical rod 421 drives the side shaft 424 to rotate through the second belt part 425, and the side shaft 424 acts on the first torsion spring 426 and drives the push bar 427 to swing, and the push bar 427 pushes the side bar 432 to swing, and the side bar 432 drives the rotating rod 429 and the soft rubber scraper 430 to swing, and at the same time, the side bar 432 acts on the second torsion spring 431, so that when the wheel body 1 is bumpy, it can assist the swinging and scraping of the soft rubber scraper 430, thereby improving the scraping and cleaning effect of the wheel body 1, reducing the adhesion of debris, and improving the stability of the device during driving.

[0054] A motor 3 9 and a reducer 10 are fixedly installed on the inner bottom surface of the mounting frame 3. The output end of the motor 3 9 is fixed to the input end of the reducer 10. A longitudinal adjustment mechanism 5 is arranged inside the mounting frame 3. The longitudinal adjustment mechanism 5 includes a double-headed screw rod 2 51. The double-headed screw rod 2 51 is fixed to the output end of the reducer 10. The double-headed screw rod 2 51 is rotatably connected to the mounting frame 3. An inner plate 52 is fixedly connected to one side of the U-shaped plate 2 close to the mounting frame 3. An L-shaped plate 53 is fixedly connected to one side of the inner plate 52 close to the mounting frame 3. The L-shaped plate 53 is threadedly connected to the double-headed screw rod 2 51.

[0055] A limiting rod 54 is symmetrically fixedly connected to one side of the inner plate 52 close to the mounting frame 3, and a fixing sleeve 55 is fixedly connected to one side of the mounting frame 3 close to the inner plate 52. The limiting rod 54 is slidably connected to the fixing sleeve 55. There are no less than two limiting rods 54, and the number of fixing sleeves 55 is the same as that of the limiting rods 54.

[0056] Embodiment 2: Figure 10-12 As shown, the operator starts the motor three 9, and after the motor three 9 is decelerated and the torque is increased by the reducer 10, it can drive the double-headed screw rod two 51 to rotate, and the fixed sleeve 55 and the limit rod 54 limit the L-shaped plate 53. The double-headed screw rod two 51 rotates to make the L-shaped plates 53 approach or move away from each other, which is convenient for adjusting the distance between the two L-shaped plates 53. The L-shaped plate 53 drives the inner plate 52 to move, and the inner plate 52 drives the limit rod 54 to slide inside the fixed sleeve 55. The inner plate 52 drives the U-shaped plate 2 to move, thereby facilitating the adjustment of the longitudinal wheelbase of the device, improving the applicability, and solving the problem that a larger-sized mobile platform is not convenient for transportation and use in a smaller mobile aisle, thereby reducing the use effect and transportation efficiency of the mobile platform.

[0057] Working principle: When using the device, first, Figure 1-Figure 12 As shown, when the lateral wheelbase needs to be adjusted, the operator starts the motor 2 7 to increase the lateral wheelbase, and the top plate 42 drives the shock-absorbing pressure rod 49 to rotate. The shock-absorbing pressure rod 49 is stretched to assist the sliding of the top plate 42, which is convenient for the device to be transported in aisles of different widths. When the wheel body 1 is bumpy, the wheel body 1 drives the motor 1 6 and the horizontal bar 41 to move upward, and the position of the moving plate 43 remains unchanged. At this time, the two oblique rods 45 are unfolded to both sides, which can realize the swing scraping of the soft rubber scraper 430. The operator starts the motor 3 9, and the motor After the reducer 10 slows down and increases the torque, the three 9 can drive the double-headed screw 2 51 to rotate, and the fixed sleeve 55 and the limit rod 54 limit the L-shaped plate 53. The double-headed screw 2 51 rotates to make the L-shaped plates 53 approach or move away from each other, which is convenient for adjusting the distance between the two L-shaped plates 53. The L-shaped plate 53 drives the inner plate 52 to move, and the inner plate 52 drives the limit rod 54 to slide inside the fixed sleeve 55. The inner plate 52 drives the U-shaped plate 2 to move, thereby facilitating the adjustment of the distance between the two U-shaped plates 2, thereby realizing the longitudinal wheelbase adjustment of the device.

[0058] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0059] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-terrain variable wheelbase power platform, comprising a wheel body (1), a U-shaped plate (2), a mounting frame (3) and a second motor (7), wherein four of the wheel bodies (1) are symmetrically arranged, two of the U-shaped plates (2) are arranged, and auxiliary wheels (8) are symmetrically fixedly mounted on the bottom of the mounting frame (3); It is characterized in that Also includes: A transverse adjustment mechanism (4) is arranged between two transversely adjacent wheel bodies (1), and a longitudinal adjustment mechanism (5) is arranged inside the mounting frame (3); A motor (6) is installed on the inner side of the wheel body (1); the lateral adjustment mechanism (4) comprises symmetrically arranged horizontal bars (41); the motor (6) is fixedly installed on the horizontal bars (41); a top plate (42) is fixedly connected to one side of the top of two adjacent horizontal bars (41); a movable plate (43) is symmetrically installed on the bottom of the mounting frame (3); a shock-absorbing telescopic rod (44) is rotatably installed on one side of the movable plate (43) close to the wheel body (1); and inclined rods (45) are symmetrically installed on the front and rear sides of the movable plate (43); The top end of the inclined rod (45) is rotatably connected to the movable plate (43), the bottom end of the inclined rod (45) is fixedly connected to a sliding rod (47), the sliding rod (47) is slidably connected to the horizontal bar (41), a shock-absorbing pressure rod (49) is installed between the top plate (42) and the bottom of the U-shaped plate (2), and a top block (410) is fixedly connected to one side of the top of the movable plate (43); A double-headed screw rod (413) is rotatably mounted on the inner bottom surface of the U-shaped plate (2); a belt portion (414) is fixedly mounted between the output end of the second motor (7) and the double-headed screw rod (413); a threaded sleeve (415) is symmetrically fixedly connected to the outer side of the double-headed screw rod (413); connecting rods (411) are symmetrically fixedly connected to both sides of the threaded sleeve (415); and the connecting rods (411) are fixedly connected to the top block (410); A fixed cylinder (417) is vertically fixedly connected to one side of the interior of the movable plate (43); an inner rod (418) is fixedly connected to one side of the top of the top plate (42); the inner rod (418) is slidably connected to the fixed cylinder (417); a conical cylinder (420) is fixedly connected to one side of the fixed cylinder (417); a vertical rod (421) is rotatably connected to the top of the movable plate (43); and a fan blade (422) is fixedly connected to the middle portion of the outer side of the vertical rod (421).

2. The multi-terrain variable wheelbase power platform according to claim 1, characterized in that: The output end of the motor 1 (6) is fixedly connected to the wheel body (1), the horizontal bars (41) are symmetrically fixedly mounted on both sides of the outside of the motor 1 (6), the outer shell of the shock-absorbing telescopic rod (44) is rotationally connected to the motor 1 (6), and the telescopic end of the shock-absorbing telescopic rod (44) is rotationally connected to the moving plate (43).

3. The multi-terrain variable wheelbase power platform according to claim 2, characterized in that: The inclined rods (45) include two groups, front and rear, each group of the inclined rods (45) includes two V-shaped ones, the interior of the horizontal bar (41) is symmetrically provided with horizontal grooves (46), the sliding rods (47) are slidably connected to the horizontal grooves (46), and springs (48) are fixedly installed between adjacent inclined rods (45).

4. The multi-terrain variable wheelbase power platform according to claim 1, characterized in that: The outer shell of the shock-absorbing pressure rod (49) is rotatably connected to the top plate (42), the telescopic end of the shock-absorbing pressure rod (49) is rotatably connected to the U-shaped plate (2), the side wall of the U-shaped plate (2) is symmetrically provided with side grooves (412), the connecting rod (411) is slidably connected to the side grooves (412), the top middle of the U-shaped plate (2) is fixedly connected with a top frame (416), and the second motor (7) is fixedly mounted on the inner side of the top frame (416).

5. The multi-terrain variable wheelbase power platform according to claim 4, characterized in that: A side shaft (424) is rotatably connected to the top of one side of the movable plate (43) close to the wheel body (1); a second belt portion (425) is fixedly installed between the side shaft (424) and the vertical rod (421); a torsion spring (426) is sleeved on the upper outer portion of the side shaft (424); a push strip (427) is fixedly connected to the middle outer portion of the side shaft (424); a soft rubber scraper (430) is rotatably installed on one side of the movable plate (43); a second spring (419) is sleeved on the outer outer portion of the lower portion of the inner rod (418); the bottom end of the second spring (419) is fixedly connected to the top plate (42); and the top end of the second spring (419) is fixedly connected to the fixed cylinder (417).

6. The multi-terrain variable wheelbase power platform according to claim 5, characterized in that: The fixed cylinder (417) is connected to the conical cylinder (420); the top of the movable plate (43) is also fixedly connected to a bracket (423); the side shaft (424) is rotatably connected to the bracket (423); the two ends of the torsion spring 1 (426) are respectively fixedly connected to the bracket (423) and the push bar (427); one side of the movable plate (43) is fixedly connected to a mounting plate (428); the top of the mounting plate (428) is rotatably connected to a rotating rod (429); the lower outer portion of the rotating rod (429) is sleeved with a torsion spring 2 (431); and the middle outer portion of the rotating rod (429) is fixedly connected to a side bar (432).

7. The multi-terrain variable wheelbase power platform according to claim 6, characterized in that: The top end of the rotating rod (429) is fixedly connected to a soft rubber scraper (430), the bottom end of the second torsion spring (431) is fixedly connected to the mounting plate (428), the top end of the second torsion spring (431) is fixedly connected to the bottom of the side strip (432), and the push strip (427) is in contact with the side strip (432).

8. The multi-terrain variable wheelbase power platform according to claim 1, characterized in that: A motor 3 (9) and a reducer (10) are fixedly mounted on the inner bottom surface of the mounting frame (3); the output end of the motor 3 (9) is fixed to the input end of the reducer (10); the longitudinal adjustment mechanism (5) comprises a double-headed screw rod 2 (51); the double-headed screw rod 2 (51) is fixed to the output end of the reducer (10); the double-headed screw rod 2 (51) is rotatably connected to the mounting frame (3); an inner plate (52) is fixedly connected to a side of the U-shaped plate (2) close to the mounting frame (3); an L-shaped plate (53) is fixedly connected to a side of the inner plate (52) close to the mounting frame (3); the L-shaped plate (53) is threadedly connected to the double-headed screw rod 2 (51).

9. The multi-terrain variable wheelbase power platform according to claim 8, characterized in that: A limiting rod (54) is symmetrically fixedly connected to one side of the inner plate (52) close to the mounting frame (3); a fixing sleeve (55) is fixedly connected to one side of the mounting frame (3) close to the inner plate (52); the limiting rod (54) is slidably connected to the fixing sleeve (55); there are no less than two limiting rods (54); and the number of the fixing sleeves (55) is the same as that of the limiting rods (54).

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