Steering device of electric carrier

Abstract

The utility model discloses a steering device of an electric van, which comprises a walking van and a connecting plate, the top end of the walking van is provided with the connecting plate, the outer wall of the walking van below the connecting plate is provided with a support frame, the top end of the support frame is provided with an air cylinder, and the air cylinder extends to the outside of the support frame. A push rod is installed at the output end of the air cylinder, a sliding block is installed at the bottom end of the supporting frame, a sliding plate is slidably installed in the sliding block, and the sliding plate extends out of the sliding block. The height of the steering device of the electric carrying vehicle can be conveniently adjusted, the walking direction can be conveniently and rapidly adjusted through transmission of the steering device, the electric carrying vehicle can rapidly convey objects, stable limiting and supporting of the steering device during steering are facilitated, the convenience of steering adjustment of the electric carrying vehicle is improved, and the electric carrying vehicle is convenient to use. And the transmission stability of the steering device structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering device technical field, concretely is a kind of steering device of electric carrier. BACKGROUND

[0002] The main function of the steering device of electric carrier is to transmit the steering force of the driver to the steering wheel, to realize the steering function of the vehicle. The steering system of electric carrier can be divided into mechanical steering system and power steering system according to the type of energy. The mechanical steering system completely relies on the physical ability of the driver to operate the steering, while the power steering system is powered by a prime mover to help the driver control the direction of the vehicle more easily.

[0003] As disclosed in the authorized announcement No. CN216272959U, a steering device for electric pallet carrier, comprising a long shaft pipe column and a driving mechanism for driving the long shaft pipe column to rotate, the driving mechanism comprising a driving motor, a driving wheel and a driving frame, the driving wheel being connected to the output end of the driving motor through a gear transmission mechanism; one end of the long shaft pipe column is fixed to the top of the driving frame, and the other end is connected to a handle bar. The steering device connects the handle and the driving mechanism through the long shaft pipe column, one end of the long shaft pipe column is fixed to the driving frame, and the other end is connected to the handle bar for supporting the handle. The steering of the carrier is realized by rotating the handle.

[0004] Although the steering device has a simple and ingenious structure, it is smooth to turn, can effectively enhance the user's experience, and is conducive to the promotion and application of electric pallet carrier with the above-mentioned steering device in the field of carrier technology.

[0005] However, it does not solve the problem that the existing steering device is not convenient for height adjustment of the steering device, not convenient for transmission adjustment of the direction of walking of the steering device, not convenient for fast delivery of goods of the electric carrier, and not convenient for stable limiting support of the steering device when steering, affecting the convenience of steering adjustment of the electric carrier and the stability of the steering device structure transmission. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a steering device of electric carrier to solve the problem of inconvenient height adjustment of the steering device, inconvenient transmission adjustment of the direction of walking of the steering device, inconvenient fast delivery of goods of the electric carrier, and inconvenient stable limiting support of the steering device when steering, affecting the convenience of steering adjustment of the electric carrier and the stability of the steering device structure transmission.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A steering device of electric carrier, including walking carrier and connecting plate, the top of walking carrier is installed with connecting plate, the outer wall of walking carrier below connecting plate is installed with support frame, the top of support frame is installed with air cylinder, and air cylinder extends to the outside of support frame, the output of air cylinder is installed with push rod, the bottom of support frame is installed with sliding block, the inside of sliding block is slidably installed with slide plate, and slide plate extends to the outside of sliding block, the bottom of slide plate is installed with connecting frame.

[0008] Preferably, the bottom of the push rod is installed with a limit block, the bottom of the limit block is movably installed with a transmission shaft, and the transmission shaft extends to the outside of the connecting frame.

[0009] Preferably, the inside of the side away from the connecting frame of the walking frame is movably installed with a rotating shaft, and the surface of the rotating shaft is sleeved with a walking wheel.

[0010] Preferably, the top of the connecting frame is installed with a servo motor, the output of the servo motor is installed with a first sprocket, and the surface of the first sprocket is sleeved with a reversing chain.

[0011] Preferably, the surface of the transmission shaft on one side of the push rod is sleeved with a second sprocket, and the reversing chain extends to the surface of the second sprocket, and the bottom of the limit block is installed with a limit block.

[0012] Preferably, the inside of the transmission shaft on one side of the limit block is provided with a C-shaped groove, and the C-shaped groove is movably connected with the limit block.

[0013] Preferably, the outside of the walking frame is provided with a stepping motor, the output of the stepping motor is installed with a driving shaft, and the driving shaft extends to the inside of the walking frame.

[0014] Preferably, the surface of the driving shaft is sleeved with a driving sprocket, the surface of the driving sprocket is sleeved with a walking chain, the surface of the rotating shaft on one side of the walking wheel is sleeved with a driven sprocket, and the walking chain extends to the surface of the driven sprocket.

[0015] Preferably, the surface of the transmission shaft below the connecting frame is movably sleeved with an upper support ring, and the upper support ring is connected with the connecting frame.

[0016] Preferably, the bottom of the upper support ring is provided with a plurality of groups of steel balls at equal intervals, the surface of the transmission shaft below the upper support ring is movably sleeved with a lower support ring, the lower support ring is movably connected with the steel balls, and the lower support ring is fixedly connected with the walking frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the steering device not only realizes convenient height adjustment of the steering device of the electric pallet truck, facilitates convenient transmission adjustment of the steering device to adjust the direction of travel, facilitates the rapid transport of goods by the electric pallet truck, and facilitates stable limit support when the steering device is turning, but also improves the convenience of steering adjustment of the electric pallet truck and improves the stability of the steering device structure during transmission.

[0018] A cylinder drives a push rod to extend. With the sliding support of the slider on the slide plate, the push rod drives the drive shaft to move through the limit block and limit protrusion. The drive shaft drives the connecting frame, the traveling frame, the stepper motor, and the traveling wheels to move, facilitating the adjustment of the traveling wheel height. The servo motor drives the first sprocket to rotate, the reversing chain drives the second sprocket to rotate, and the second sprocket drives the drive shaft to rotate. When the drive shaft rotates, the C-groove rotates on the surface of the limit protrusion to prevent interference caused by the synchronous rotation of the drive shaft, the limit protrusion, the limit block, and the push rod. The connecting frame provides movable support for the drive shaft. The drive shaft drives the traveling frame and the traveling wheels to rotate, facilitating the steering of the electric pallet truck by the operator. This enables convenient height adjustment of the steering device of the electric pallet truck, facilitates convenient transmission adjustment of the direction of travel, and improves the convenience of steering adjustment of the electric pallet truck.

[0019] The stepper motor drives the drive shaft to rotate, the drive shaft drives the drive sprocket to rotate, the drive sprocket drives the walking chain to move, the walking chain drives the driven sprocket to rotate, and the driven sprocket drives the walking wheel to rotate via the rotating shaft. This facilitates the convenient movement of the electric pallet truck, enabling it to quickly transport items and improving the convenience of the steering device for transporting electric pallet trucks. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural diagram of the connecting frame of this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the walking frame of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the limiting protrusion of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram of the slider of this utility model;

[0025] Figure 6 This is a three-dimensional structural diagram of the walking wheel of this utility model;

[0026] Figure 7 It is a three-dimensional structure schematic diagram of the stepping motor.

[0027] In the figure: 1, walking carrier; 2, connecting plate; 3, support frame; 4, air cylinder; 5, push rod; 6, limit block; 7, limit block; 8, transmission shaft; 9, C groove; 10, walking frame; 11, rotating shaft; 12, walking wheel; 13, sliding block; 14, sliding plate; 15, connecting frame; 16, servo motor; 17, first sprocket; 18, reversing chain; 19, second sprocket; 20, upper support ring; 21, steel ball; 22, lower support ring; 23, stepping motor; 24, drive shaft; 25, driving sprocket; 26, walking chain; 27, driven sprocket. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] Embodiment one

[0032] Please refer to Figures 1-7The utility model provides an embodiment: a kind of steering device of electric carrier, including walking carrier 1 and connecting plate 2, the top of walking carrier 1 is equipped with connecting plate 2, and the outer wall of walking carrier 1 below connecting plate 2 is equipped with support frame 3, the top of support frame 3 is equipped with cylinder 4, and cylinder 4 extends to the outside of support frame 3, and the output end of cylinder 4 is equipped with push rod 5, and the bottom of support frame 3 is equipped with sliding block 13, and the inside of sliding block 13 is slidably equipped with sliding plate 14, and sliding plate 14 extends to the outside of sliding block 13, and the bottom of sliding plate 14 is equipped with connecting frame 15, the bottom of push rod 5 is equipped with limit block 6, and the bottom of limit block 6 is movably equipped with transmission shaft 8, and transmission shaft 8 extends to the outside of connecting frame 15, and the bottom of transmission shaft 8 is equipped with walking frame 10, and the inside of walking frame 10 far from connecting frame 15 side is movably equipped with rotating shaft 11, and the surface of rotating shaft 11 is equipped with walking wheel 12, and the top of connecting frame 15 is equipped with servo motor 16, and the output end of servo motor 16 is equipped with first sprocket 17, and the surface of first sprocket 17 is equipped with reversing chain 18, and the surface of second sprocket 19 of transmission shaft 8 of push rod 5 side is equipped with second sprocket 19, and reversing chain 18 extends to the surface of second sprocket 19, and the bottom of limit block 6 is equipped with limit bump 7, and the inside of transmission shaft 8 of limit bump 7 side is equipped with C type slot 9, and C type slot 9 is movably connected with limit bump 7;

[0033] The article to be carried is placed on the surface of walking carrier 1, the cylinder 4 is opened, under the support of support frame 3, the push rod 5 is driven out by the cylinder 4, under the sliding support of sliding block 13 to sliding plate 14, the transmission shaft 8 is moved by push rod 5 through limit block 6 and limit bump 7, the connecting frame 15, walking frame 10, step motor 23 and walking wheel 12 are moved by transmission shaft 8, to conveniently adjust the height of walking wheel 12, walking wheel 12 is moved to the appropriate position, the servo motor 16 is opened, the first sprocket 17 is rotated by servo motor 16 under the support of connecting frame 15, the reversing chain 18 is moved by first sprocket 17, the second sprocket 19 is rotated by reversing chain 18, the transmission shaft 8 is rotated by second sprocket 19, when transmission shaft 8 rotates, C type slot 9 rotates on the surface of limit bump 7, to prevent transmission shaft 8 from driving limit bump 7, limit block 6 and push rod 5 to rotate synchronously and interfere, the connecting frame 15 movably supports transmission shaft 8, the walking frame 10 and walking wheel 12 are rotated by transmission shaft 8, to facilitate the staff to steer the electric carrier, the height adjustment of the steering device of electric carrier is realized, the direction of the steering device is conveniently adjusted, and the convenience of the electric carrier steering adjustment is improved;

[0034] The outer side of the walking frame 10 is provided with a stepping motor 23, the output end of the stepping motor 23 is provided with a driving shaft 24, and the driving shaft 24 extends to the inside of the walking frame 10, the surface of the driving shaft 24 is sleeved with a driving sprocket 25, the surface of the driving sprocket 25 is sleeved with a walking chain 26, and the surface of the rotating shaft 11 of one side of the walking wheel 12 is sleeved with a driven sprocket 27, and the walking chain 26 extends to the surface of the driven sprocket 27;

[0035] When the electric trolley needs to move, the stepping motor 23 is turned on, the stepping motor 23 drives the driving shaft 24 to rotate under the support of the walking frame 10, the driving shaft 24 drives the driving sprocket 25 to rotate, the driving sprocket 25 drives the walking chain 26 to move, the walking chain 26 drives the driven sprocket 27 to rotate, and the driven sprocket 27 drives the walking wheel 12 to rotate through the rotating shaft 11, which facilitates the convenient walking movement of the electric trolley, realizes the convenient walking movement of the electric trolley, facilitates the rapid transportation of the electric trolley, and improves the convenience of the steering device for the transportation of the electric trolley;

[0036] The surface of the transmission shaft 8 below the connecting frame 15 is movably sleeved with an upper support ring 20, and the upper support ring 20 is connected with the connecting frame 15, the bottom end of the upper support ring 20 is provided with a plurality of groups of steel balls 21 at equal intervals, the surface of the transmission shaft 8 below the upper support ring 20 is movably sleeved with a lower support ring 22, and the lower support ring 22 is movably connected with the steel balls 21, and the lower support ring 22 is fixedly connected with the walking frame 10;

[0037] When the transmission shaft 8 drives the walking frame 10 to rotate, the connecting frame 15 supports the upper support ring 20, the walking frame 10 supports the lower support ring 22, and the steel balls 21 slide in the inside of the upper support ring 20 and the lower support ring 22 to provide limiting support for the rotation of the walking frame 10, which realizes stable limiting support when the steering device turns, and improves the stability of the structure transmission of the steering device.

[0038] Working steps

[0039] Firstly, the push rod 5 is driven to extend by the cylinder 4, the push rod 5 drives the transmission shaft 8 to move through the limiting block 6 and the limiting block 7, the transmission shaft 8 drives the connecting frame 15, the walking frame 10, the stepping motor 23 and the walking wheel 12 to move, so as to conveniently adjust the height of the walking wheel 12, the walking wheel 12 is moved to the appropriate position, the first sprocket 17 is driven to rotate by the servo motor 16, the reversing chain 18 is driven to move by the first sprocket 17, the second sprocket 19 is driven to rotate by the reversing chain 18, the transmission shaft 8 is driven to rotate by the second sprocket 19, when the transmission shaft 8 rotates, the C-shaped groove 9 rotates on the surface of the limiting block 7, so as to prevent the transmission shaft 8 from driving the limiting block 7, the limiting block 6 and the push rod 5 to rotate synchronously and interfere, the connecting frame 15 movably supports the transmission shaft 8, the transmission shaft 8 drives the walking frame 10 and the walking wheel 12 to rotate, so as to conveniently drive the electric carrier to turn, the driving shaft 24 is driven to rotate by the stepping motor 23, the driving shaft 24 drives the driving sprocket 25 to rotate, the walking chain 26 is driven to move by the driving sprocket 25, the driven sprocket 27 is driven to rotate by the walking chain 26, the walking wheel 12 is driven to rotate by the driven sprocket 27 through the rotating shaft 11, so as to conveniently move the electric carrier, and the use work of the turning device is completed.

[0040] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A steering arrangement for an electrically powered truck, characterized by: The utility model provides a kind of walking carrier (1) and connecting plate (2), the top of the walking carrier (1) is equipped with connecting plate (2), supporting frame (3) is installed on the outer wall of walking carrier (1) below connecting plate (2), the top of supporting frame (3) is equipped with pneumatic cylinder (4), and pneumatic cylinder (4) extends to the outside of supporting frame (3), the output end of pneumatic cylinder (4) is equipped with push rod (5), the bottom of supporting frame (3) is equipped with sliding block (13), sliding block (13) is slidably installed in the inside of sliding plate (14), and sliding plate (14) extends to the outside of sliding block (13), the bottom of sliding plate (14) is equipped with connecting frame (15), the bottom of push rod (5) is equipped with limit block (6).

2. The electric truck steering apparatus of claim 1 wherein: The bottom of the limit block (6) is movably installed with a transmission shaft (8), and the transmission shaft (8) extends to the outside of the connecting frame (15), and the bottom of the transmission shaft (8) is installed with a walking frame (10).

3. The electric truck steering assembly of claim 2 wherein: The inside of the walking frame (10) away from the connecting frame (15) side is movably installed with a rotating shaft (11), and the surface of the rotating shaft (11) is sleeved with a walking wheel (12).

4. The electric truck steering assembly of claim 3 wherein: The top of the connecting frame (15) is equipped with a servo motor (16), and the output end of the servo motor (16) is equipped with a first sprocket (17), and the surface of the first sprocket (17) is sleeved with a reversing chain (18).

5. The electric truck steering assembly of claim 4 wherein: The surface of the transmission shaft (8) on one side of the push rod (5) is sleeved with a second sprocket (19), and the reversing chain (18) extends to the surface of the second sprocket (19), and the bottom of the limit block (6) is equipped with a limit protrusion (7).

6. A steering arrangement for a motorized truck as defined in claim 5, wherein: The inside of the transmission shaft (8) on one side of the limit protrusion (7) is provided with a C-shaped groove (9), and the C-shaped groove (9) is movably connected with the limit protrusion (7).

7. The electrically powered truck according to claim 6, wherein: One side of the outside of the walking frame (10) is provided with a stepping motor (23), and the output end of the stepping motor (23) is installed with a driving shaft (24), and the driving shaft (24) extends to the inside of the walking frame (10).

8. The electrically powered truck according to claim 7, wherein: The surface of the driving shaft (24) is sleeved with a driving sprocket (25), the surface of the driving sprocket (25) is sleeved with a walking chain (26), the surface of the rotating shaft (11) on one side of the walking wheel (12) is sleeved with a driven sprocket (27), and the walking chain (26) extends to the surface of the driven sprocket (27).

9. The electrically powered truck according to claim 8, wherein: The surface of the transmission shaft (8) below the connecting frame (15) is movably sleeved with an upper supporting ring (20), and the upper supporting ring (20) is connected with the connecting frame (15).

10. The electric truck steering apparatus of claim 9 wherein: The bottom of the upper supporting ring (20) is provided with a plurality of groups of steel balls (21) at equal intervals, the surface of the transmission shaft (8) below the upper supporting ring (20) is movably sleeved with a lower supporting ring (22), and the lower supporting ring (22) is movably connected with the steel balls (21), and the lower supporting ring (22) is fixedly connected with the walking frame (10).

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