Transverse and longitudinal four-direction new energy carrier

Abstract

The utility model discloses a transverse and longitudinal four-way new energy carrier, which relates to the related field of carrier technology and structurally comprises a new energy carrier, a fixing device fixedly connected to the upper end face of the new energy carrier and a bottom plate fixedly connected to the upper end face of the new energy carrier. When transverse walking and carrying are needed, the transverse walking wheels stretch out and draw back through the oil cylinders and descend to the transverse guide rail faces, and at the moment, the longitudinal walking wheels are in a retracted state; when longitudinal walking and carrying are needed, the transverse walking wheels retract and leave the transverse guide rail face through oil cylinders, meanwhile, the longitudinal walking wheels stretch out and draw back and descend to the longitudinal guide rail face through oil cylinders, and therefore walking and carrying in four directions are achieved, and when a carried object is placed on a containing plate at the upper end of the bottom plate, the containing plate is pressed downwards through the gravity of the carried object. And when the carried object needs to be loaded and unloaded, the handle is held by a hand to rotate, and the carried object can be rapidly loaded and unloaded.

Description

TECHNICAL FIELD

[0001] The utility model relates to a carrying vehicle technology related field, concretely is a kind of transverse and longitudinal four-way new energy carrying vehicle. BACKGROUND

[0002] Transverse and longitudinal four-way new energy carrying vehicle is a four-wheel drive vehicle that can freely change working direction, with good passability and maneuverability, can carry out transport work under various working environments, for example, carry goods in warehouse, workshop and other places. This vehicle is usually equipped with battery, can not rely on power supply, so it can work continuously after charging at parking space.

[0003] The existing prior art transverse carrying vehicle and longitudinal carrying vehicle are separate devices, and the track heights of the two have a gap, the ground needs to be excavated, and the transverse carrying vehicle and the longitudinal carrying vehicle are separate devices, causing waste of production space. UTILITY MODEL CONTENTS

[0004] Therefore, in order to solve the above problems, the utility model provides a transverse and longitudinal four-way new energy carrying vehicle.

[0005] The utility model is realized by constructing a transverse and longitudinal four-way new energy carrying vehicle, which comprises a walking frame, a transverse walking driving shaft symmetrically inserted into and rotatably connected to the left and right sides of the walking frame, a transverse walking guide rail wheel fixedly connected to the left and right end faces of the transverse walking driving shaft, a sprocket fixedly connected to the outer side face of the transverse walking driving shaft, and the sprocket is in driving connection with the motor output end through a chain, an oil cylinder output end fixedly connected to the left side of the upper end face of the walking frame, and a lifting frame installed and connected to the upper end of the walking frame.

[0006] It also comprises:

[0007] A rack is fixedly connected to the lower end face of the lifting frame, and the rack is in fixed connection with the oil cylinder through a connecting plate.

[0008] A lifting transmission shaft is rotatably connected to the lifting transmission shaft through a connecting plate, and the lifting transmission shaft is symmetrically arranged on the upper end face of the walking frame.

[0009] A gear is fixedly connected to the left and right end faces of the lifting transmission shaft, and the gear is in meshing connection with the rack.

[0010] A lithium battery is fixedly connected to the upper end of the walking frame.

[0011] A longitudinal walking driving shaft is symmetrically inserted into and rotatably connected to the front and rear sides of the walking frame.

[0012] The longitudinal walking guide wheel is fixedly connected to the left and right end surfaces of the longitudinal walking driving shaft, and is symmetrically arranged with the transverse walking driving shaft.

[0013] The oil pump is fixedly connected to the upper end surface of the walking frame.

[0014] The lifting oil cylinder is arranged symmetrically with the lifting oil cylinder at the output end of the lifting oil cylinder on the right side of the upper end surface of the walking frame.

[0015] The fixing device is fixedly connected to the upper end surface of the lifting frame.

[0016] Preferably, the fixing device comprises:

[0017] The bottom plate is fixedly connected to the upper end surface of the lifting frame.

[0018] The first bidirectional screw is rotatably connected to the inner side rear end of the bottom plate.

[0019] The second bevel gear is fixedly connected to the left and right end surfaces of the first bidirectional screw.

[0020] The first bevel gear is meshingly connected to the second bevel gear.

[0021] The second bidirectional screw is rotatably connected to the inner side left and right ends of the bottom plate, and the left side surface of the second bidirectional screw is fixedly connected to the first bevel gear.

[0022] The first sliding block is threadedly connected to the first bidirectional screw and the second bidirectional screw.

[0023] Preferably, the fixing device further comprises:

[0024] The pinion is fixedly connected to the right side surface of the second bidirectional screw.

[0025] The second sliding block is symmetrically arranged on the inner side front end surface of the bottom plate.

[0026] The second connecting plate is rotatably connected to the second sliding block.

[0027] The fixed plate is fixedly connected to the center of the inner side bottom end surface of the bottom plate.

[0028] Preferably, the fixing device further comprises:

[0029] The first connecting plate is rotatably connected to the first sliding block.

[0030] The connecting column is rotatably connected to the first connecting plate away from the first sliding block.

[0031] The clamping plate is fixedly connected to the upper end surface of the connecting column.

[0032] The placement plate is arranged at the center of the upper end surface of the bottom plate.

[0033] Preferably, the fixing device further comprises:

[0034] The long plate is fixedly connected to the center of the front end surface of the bottom plate, and the front end surface of the long plate is fixedly connected to the fixed plate.

[0035] The double-sided tooth plate is slidably connected to the center of the upper end surface of the fixed plate.

[0036] The small tooth plate is fixedly connected to the left side surface of the second sliding block, and the small tooth plate is meshingly connected to the small gear.

[0037] The clamping plate is slidably connected to the left and right side surfaces of the long plate.

[0038] Preferably, the fixing device further comprises:

[0039] The clamping slot is arranged at the lower end surface of one side of the long plate.

[0040] The spring is fixedly connected between the two clamping plates.

[0041] The long strip gear is meshingly connected to the clamping slot.

[0042] The connecting rod is fixedly connected to the front end surface of the long strip gear, and the connecting rod is rotatably connected to the front end surface of the long plate.

[0043] The handle is fixedly connected to the front end surface of the long plate.

[0044] Preferably, the fixing device further comprises:

[0045] The reserved opening is arranged at the left and right side surfaces of the upper end surface of the fixed plate.

[0046] The cylinder is rotatably connected to the inside of the reserved opening.

[0047] The arc slot is arranged on the inner side surface wall of the cylinder.

[0048] The tooth slot is arranged on the outer side surface of the cylinder, and the tooth slot is meshingly connected to the double-sided tooth plate.

[0049] Preferably, the fixing device further comprises:

[0050] The short column is slidably connected to the upper end of the cylinder, and the upper end surface of the short column is fixedly connected to the lower end surface of the placement plate.

[0051] Small spring, the short column lower end surface is fixedly connected with small spring;

[0052] Half circle ball, the short column outer side is fixedly connected with half circle ball, and half circle ball and arc groove are slidably connected.

[0053] The utility model has the advantages that: the utility model provides a horizontal and vertical four-way new energy carrier, compared with the same type of equipment, has the following improvements:

[0054] The utility model discloses a horizontal and vertical four-way new energy carrier, and the horizontal walking wheel and the vertical walking wheel adopt the oil cylinder telescoping, so that when the horizontal walking wheel walks on the track, the vertical walking wheel is retracted by the oil cylinder telescoping, when the vertical walking is needed, the horizontal walking wheel is retracted by the oil cylinder telescoping, and the vertical walking wheel extends to the upper surface of the guide rail, so that the walking and carrying in four directions can be realized, and when the carried object is placed on the end plate on the bottom plate, the end plate is pressed downward by the gravity of the carried object, drives the clamping plate to move and clamps the carried object, so that the fixed limiting can be realized, when the carried object needs to be loaded and unloaded, the handle is held and rotated, drives the clamping plate to be separated from the clamping of the tooth groove, so that the carried object can be loaded and unloaded. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 It is the structure schematic diagram of the utility model;

[0056] Figure 2 It is the structure lifting frame schematic diagram of the utility model;

[0057] Figure 3 It is the structure bottom plate inboard schematic diagram of the utility model;

[0058] Figure 4 It is the structure of the utility model Figure 3 The enlarged schematic diagram of structure A;

[0059] Figure 5 It is the structure of the utility model Figure 3 The enlarged schematic diagram of structure C;

[0060] Figure 6 It is the structure of the utility model Figure 3 The split schematic diagram of structure B.

[0061] The components include: a traveling frame-101, a lateral traveling drive shaft-102, a lateral traveling track wheel-103, a sprocket-104, a hydraulic cylinder-105, a rack-106, a lifting drive shaft-107, a gear-108, a lithium battery-109, a longitudinal traveling driven shaft-110, a longitudinal traveling track wheel-111, an oil pump-112, a lifting hydraulic cylinder-113, a lifting frame-1, a fixing device-2, a base plate-3, a first bidirectional screw-4, a second bevel gear-5, a first bevel gear-6, and a second bidirectional screw-7. 7. First slider - 8. Small gear - 9. Second slider - 10. Second connecting plate - 11. Fixing plate - 12. First connecting plate - 13. Connecting column - 14. Clamping plate - 15. Placement plate - 16. Long plate - 17. Double-sided toothed plate - 18. Small toothed plate - 19. Clamping plate - 20. Clamping groove - 21. Spring - 22. Long gear - 23. Connecting rod - 24. Handle - 25. Reserved opening - 26. Cylinder body - 27. Arc groove - 28. Tooth groove - 29. Short column - 30. Small spring - 31. Semi-circular ball clamp - 32. Detailed Implementation

[0062] The following is in conjunction with the appendix Figures 1-6 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0063] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0064] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0065] Example 1:

[0066] Please refer to Figures 1-2 The utility model discloses a server case internal hard disk mounting fixed structure, including walking frame 101, the symmetric insertion rotation connection of horizontal walking driving axle 102 is established in the left and right sides of walking frame 101, the horizontal walking guide rail wheel 103 of fixed connection in the left and right end surface of horizontal walking driving axle 102, fixed connection in the lateral surface of chain wheel 104 of horizontal walking driving axle 102, and chain wheel 104 is driven to be connected with the motor output end through chain, and the output end of oil cylinder 105 is fixedly connected on the upper end surface left side of walking frame 101, and the lifting frame 1 is installed and is connected on the upper end of walking frame 101, the rack 106 is fixedly connected on the lower end surface of lifting frame 1, and the rack 106 is fixedly connected with oil cylinder 105 through the connecting plate, and the lifting transmission shaft 107 is rotated and is connected through the connecting plate of rack 106, and the lifting transmission shaft 107 is located on the upper end surface of walking frame 101 and is symmetrically set up to the front and rear, and the gear 108 is fixedly connected on the left and right end surface of lifting transmission shaft 107, and the gear 108 is engaged with the rack 106, and the lithium battery 109 is fixedly connected on the upper end of walking frame 101, and the longitudinal walking driving axle 110 is symmetrically inserted and is rotated and is connected on the front and rear sides of walking frame 101, and horizontal and longitudinal structure is integrated, and all adopt lithium battery 110 power supply, make horizontal walking need external power supply (no cable), and the longitudinal walking guide rail wheel 111 is fixedly connected on the left and right end surface of longitudinal walking driving axle 110, and the longitudinal walking guide rail wheel 111 is symmetrically set up with horizontal walking driving axle 102, and the oil pump 112 is fixedly connected on the upper end surface of walking frame 101, and the output end of lifting oil cylinder 113 is installed and is fixedly connected on the right side of the upper end surface of walking frame 101, and oil cylinder 105 and lifting oil cylinder 113 are symmetrically set up, and the fixed device 2 is fixedly connected on the upper end surface of lifting frame 1.

[0067] The working principle of the server case internal hard disk mounting fixed structure based on example 1 is as follows:

[0068] First, when using, place the equipment on the working track, and make the horizontal walking wheel and the longitudinal walking wheel retract by using the oil cylinder, so that the horizontal walking wheel walks on the track, and the longitudinal walking wheel retracts by using the oil cylinder; when longitudinal walking is needed, the horizontal walking wheel retracts by using the oil cylinder, and the longitudinal walking wheel extends to the upper surface of the guide rail at the same time, so that four-direction walking and carrying can be realized.

[0069] Example one:

[0070] Please refer to Figures 2-6 Compared with example one, the server case internal hard disk mounting fixed structure of the utility model further includes:

[0071] The bottom plate 3 is fixedly connected to the upper end surface of the lifting frame 1, and the left and right side surfaces of the bottom plate 3 are provided with notches; the upper end surface of the bottom plate 3 is provided with a sliding groove, and the connecting column 14 passes through the upper end surface of the bottom plate 3 and is provided with a sliding groove so that the clamping plate 15 can move; the first bidirectional screw rod 4 is rotatably connected to the inner side rear end of the bottom plate 3; the second bevel gear 5 is fixedly connected to the left and right end surfaces of the first bidirectional screw rod 4; the first bevel gear 6 is meshingly connected to the second bevel gear 5; the second bidirectional screw rod 7 is rotatably connected to the left and right ends of the inner side of the bottom plate 3, and the left side surface of the second bidirectional screw rod 7 is fixedly connected to the first bevel gear 6; the first bidirectional screw rod 4 and the second bidirectional screw rod 7 are threadedly connected with two first sliding blocks 8; the small gear 9 is fixedly connected to the right side surface of the second bidirectional screw rod 7; the second sliding block 10 is slidably connected to the inner side front end surface of the bottom plate 3; and the second connecting plate 11 is rotatably connected to the second sliding block 10.

[0072] The fixed plate 12 is fixedly connected to the inner side bottom end surface of the bottom plate 3; the first connecting plate 13 is rotatably connected to the first sliding block 8; the connecting column 14 is rotatably connected to the end of the first connecting plate 13 away from the first sliding block 8; the clamping plate 15 is fixedly connected to the upper end surface of the connecting column 14; the placement plate 16 is arranged on the upper end surface of the bottom plate 3; the long plate 17 is fixedly inserted into the front end surface of the fixed plate 12; the double-sided tooth plate 18 is slidably connected to the upper end surface of the fixed plate 12; the small tooth plate 19 is fixedly connected to the left side surface of the second sliding block 10 and is meshingly connected to the small gear 9; the clamping plate 20 is slidably inserted into the left and right side surfaces of the long plate 17; the clamping groove 21 is arranged on the side lower end surface of the long plate 17 into which the clamping plate 20 is inserted; and the spring 22 is fixedly connected between the two clamping plates 20.

[0073] The long strip gear 23 is meshingly connected to the clamping groove 21; the connecting rod 24 is fixedly connected to the front end surface of the long strip gear 23 and is rotatably connected to the front end surface of the long plate 17; the handle 25 is fixedly connected to the front end surface of the long plate 17; the reserved opening 26 is arranged on the left and right side surfaces of the upper end surface of the fixed plate 12; the cylinder 27 is rotatably inserted into the inner side of the reserved opening 26; the arc groove 28 is arranged on the inner side surface wall of the cylinder 27; the tooth groove 29 is arranged on the outer side surface of the cylinder 27 and is meshingly connected to the double-sided tooth plate 18; the clamping plate 20 can be rotatably arranged in the tooth groove 29; the short column 30 is slidably inserted into the upper end of the cylinder 27 and is fixedly connected to the lower end surface of the placement plate 16; the small spring 31 is fixedly connected to the lower end surface of the short column 30; the semicircular clamping ball 32 is fixedly connected to the outer side surface of the short column 30 and is slidably connected to the arc groove 28.

[0074] The working principle of the horizontal and vertical four-way new energy carrier based on the embodiment 1 is as follows:

[0075] Second, when using, the object to be carried is placed on the upper end of the fixing device 2, the carrying object presses the placing plate 16 through its own gravity, drives the short column 30 to drive the semicircular clamping ball 32 to slide in the inner side of the arc groove 28, drives the cylinder 27 to rotate through the arc groove 28, synchronously drives the double-sided tooth plate 18 to move through the gear groove 29, pushes the second sliding block 10 to move through the second connecting plate 11, drives the pinion 19 to drive the pinion gear 9 to rotate, drives the first sliding block 8 to move while the second bidirectional screw 7 drives the first bevel gear 6 to rotate through the second bevel gear 5, drives the first connecting plate 13 to move through the connecting column 14, drives the clamping plate 15, and the object to be carried can be clamped and fixed quickly.

[0076] Third, when the object to be carried needs to be loaded and unloaded, the handle 25 is rotated, the connecting rod 24 drives the long gear 23 to rotate, the clamping plate 20 is moved through the clamping groove 21, the spring 22 is pressed and extruded under stress, and the clamping plate 20 is separated from the gear groove 29, so that the clamping plate 15 is released, and the object to be carried can be loaded and unloaded, and the use is more convenient.

[0077] The utility model provides a horizontal longitudinal four -way new energy carrier, and the horizontal walking track wheel 103 and longitudinal walking track wheel 112 all adopt the oil cylinder retraction, makes the horizontal walking track wheel 103 walk on the track, and the longitudinal walking track wheel 112 retracts by using the oil cylinder retraction, when needing longitudinal walking, the horizontal walking track wheel 103 retracts by using the oil cylinder retraction, and the longitudinal walking track wheel 112 extends to the upper surface of guide rail simultaneously, four -way walking carrying can be realized, when the object to be carried is placed on the upper end placing plate 16 of bottom plate 3, the placing plate 16 is pressed down by its own gravity, drives the clamping plate 15 to move and clamps the object to be carried, and fixed limiting can be realized, when the object to be carried needs to be loaded and unloaded, the handle 25 is rotated, the clamping plate 20 is separated from the gear groove 29, and the clamping plate 15 is fixed, and the object to be carried can be loaded and unloaded.

[0078] The basic principle and main features of the utility model are shown and described, and the advantages of the utility model are shown and described, and the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding and the like in the prior art, and the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0079] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A transverse and longitudinal four-way new energy carrier, comprising a walking frame (101), a transverse walking main shaft (102) symmetrically inserted and rotationally connected on the left and right sides of the walking frame (101), a transverse walking guide rail wheel (103) fixedly connected on the left and right end faces of the transverse walking main shaft (102), a sprocket (104) fixedly connected on the outer side of the transverse walking main shaft (102), and the sprocket (104) is transmissionally connected with the motor output end through a chain, an oil cylinder (105) output end fixedly connected on the left side of the upper end face of the walking frame (101), and a lifting frame (1) mounted and connected on the upper end of the walking frame (101); characterized in that Further comprising: a rack (106) fixedly connected on the lower end face of the lifting frame (1), and the rack (106) is fixedly connected with the oil cylinder (105) through a connecting plate; a lifting transmission shaft (107) rotationally connected through a connecting plate and penetrating the rack (106), and the lifting transmission shaft (107) is symmetrically arranged on the front and rear sides of the upper end face of the walking frame (101); a gear (108) fixedly connected on the left and right end faces of the lifting transmission shaft (107), and the gear (108) is meshingly connected with the rack (106); a lithium battery (109) fixedly connected on the upper end of the walking frame (101); a longitudinal walking main shaft (110) symmetrically inserted and rotationally connected on the front and rear sides of the walking frame (101); a longitudinal walking guide rail wheel (111) fixedly connected on the left and right end faces of the longitudinal walking main shaft (110), and the longitudinal walking guide rail wheel (111) is symmetrically arranged with the transverse walking main shaft (102); an oil pump (112) mounted and fixedly connected on the upper end face of the walking frame (101); a lifting oil cylinder (113) output end on the right side of the upper end face of the walking frame (101), and the oil cylinder (105) and the lifting oil cylinder (113) are symmetrically arranged; a fixing device (2) fixedly connected on the upper end face of the lifting frame (1).

2. The four-directional new energy carrier according to claim 1, characterized in that: The fixing device (2) comprises: a bottom plate (3) fixedly connected on the upper end face of the lifting frame (1); a first bidirectional screw (4) rotationally connected on the inner side rear end of the bottom plate (3); a second bevel gear (5) fixedly connected on the left and right end faces of the first bidirectional screw (4); a first bevel gear (6) meshingly connected with the second bevel gear (5); a second bidirectional screw (7) rotationally connected on the inner left and right ends of the bottom plate (3), and the left side face of the second bidirectional screw (7) is fixedly connected with the first bevel gear (6); two first sliding blocks (8) threadedly connected on the first bidirectional screw (4) and the second bidirectional screw (7).

3. The four-directional new energy carrier according to claim 2, characterized in that: The fixing device (2) further comprises: Pinion (9), the second bidirectional screw rod (7) right side surface fixedly connected with pinion (9); Second sliding block (10), the bottom plate (3) inner side front end surface slidingly connected with two symmetrical second sliding blocks (10); Second connecting plate (11), the second sliding block (10) is rotatably connected with the second connecting plate (11); Fixed plate (12), the bottom plate (3) inner side bottom end surface center fixedly connected with fixed plate (12).

4. The four-directional new energy carrier according to claim 3, characterized in that: The fixing device (2) further comprises: First connecting plate (13), the first sliding block (8) is rotatably connected with the first connecting plate (13); Connecting column (14), the first connecting plate (13) is rotatably connected with the connecting column (14) away from the first sliding block (8); Clamp plate (15), the connecting column (14) upper end surface fixedly connected with clamp plate (15); Placement plate (16), the bottom plate (3) upper end surface center is equipped with placement plate (16).

5. The four-directional new energy carrier according to claim 4, characterized in that: The fixing device (2) further comprises: Long plate (17), the bottom plate (3) front end surface center is inserted fixedly connected with long plate (17), and long plate (17) is inserted fixedly connected with fixed plate (12) front end surface and fixed plate (12) is fixedly connected with each other; Double-sided toothed plate (18), the fixed plate (12) upper end surface center slidingly connected with double-sided toothed plate (18); Pinion plate (19), the second sliding block (10) left side surface fixedly connected with pinion plate (19), and pinion plate (19) is meshingly connected with pinion (9); Clamp plate (20), the long plate (17) left and right two side surfaces are inserted and slidingly connected with two symmetrical clamp plates (20).

6. The four-directional new energy carrier according to claim 5, characterized in that: The fixing device (2) further comprises: Clamping groove (21), the clamp plate (20) is inserted into the long plate (17) one side lower end surface and is provided with clamping groove (21); Spring (22), the two clamp plates (20) are fixedly connected with spring (22); Long strip gear (23), the clamping groove (21) is meshingly connected with long strip gear (23); Connecting rod (24), the long strip gear (23) front end surface fixedly connected with connecting rod (24), and connecting rod (24) is inserted into long plate (17) front end surface and is rotatably connected with long plate (17); Handle (25), the long plate (17) front end surface fixedly connected with handle (25).

7. The four-directional new energy carrier according to claim 6, characterized in that: The fixing device (2) further comprises: Reserved port (26), the fixed plate (12) upper end surface left and right sides are provided with reserved port (26); Cylinder (27), the inside of the reserved port (26) is rotatably connected with the cylinder (27) inserted into the inside; Arc groove (28), the inside of the cylinder (27) is provided with arc groove (28); Tooth groove (29), the outside of the cylinder (27) is provided with tooth groove (29), and tooth groove (29) is meshingly connected with double-sided toothed plate (18).

8. The four-wheel directional new energy carrier according to claim 7, characterized in that: The fixing device (2) further comprises: Short column (30), the upper end of the cylinder (27) is slidingly connected with short column (30), and the upper end surface of the short column (30) is fixedly connected with the lower end surface of the placement plate (16); Small spring (31), the lower end surface of the short column (30) is fixedly connected with small spring (31); A semicircle clamping ball (32) is fixedly connected to the outer side of the stub (30), and the semicircle clamping ball (32) is slidably connected with the arc groove (28).

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