阅读说明：本技术 一种可自动收放脚轮及电控推车 (Caster wheel capable of being automatically retracted and extended and electric control cart ) 是由 杨鑫波 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种可自动收放脚轮及电控推车,其中可自动收放脚轮,包括固定座,固定安装在固定座内的驱动机构以及转动安装在固定座内的传动机构,所述传动机构的一端与驱动机构的输出轴固定相连,另一端转动安装有带轮毂电机的轮子,所述驱动机构适于带动传动机构动作从而带动轮子下移和复位。本发明通过设置带轮毂电机的轮子,从而实现控制轮子的转动和停止,通过设置驱动机构带动传动机构动作,进而实现轮子的自动收放,结构简洁,无需人工去收放轮子,并且承载能力优异,不易卡顿。(The invention discloses a truckle capable of being automatically retracted and extended and an electric control cart, wherein the truckle capable of being automatically retracted and extended comprises a fixed seat, a driving mechanism fixedly arranged in the fixed seat and a transmission mechanism rotatably arranged in the fixed seat, one end of the transmission mechanism is fixedly connected with an output shaft of the driving mechanism, the other end of the transmission mechanism is rotatably provided with a wheel hub motor, and the driving mechanism is suitable for driving the transmission mechanism to act so as to drive the wheel to move downwards and reset. According to the invention, the rotation and stop of the wheel are controlled by arranging the wheel with the wheel hub motor, the driving mechanism is arranged to drive the transmission mechanism to act, so that the automatic retraction and release of the wheel are realized, the structure is simple, the wheel is not required to be retracted and released manually, the bearing capacity is excellent, and the wheel is not easy to clamp.)

1. The utility model provides a can receive and release truckle automatically which characterized in that: including fixing base (1), actuating mechanism (2) and the rotation of fixed mounting in fixing base (1) install the drive mechanism in fixing base (1), drive mechanism's one end links to each other with the output shaft of actuating mechanism (2) is fixed, and the other end is rotated and is installed wheel (3) of taking in-wheel motor, thereby actuating mechanism (2) are suitable for to drive mechanism action and drive wheel (3) and move down and reset.

2. The automatically retractable caster as claimed in claim 1, wherein: the driving mechanism (2) adopts an electric push rod, and the electric push rod comprises a main body (2-1) and a telescopic shaft (2-2) arranged at one end of the main body (2-1).

3. The automatically retractable caster as claimed in claim 2, wherein: the bottom of the fixed seat (1) is higher than the bottoms of the transmission mechanism and the wheels (3).

4. The automatically retractable caster as claimed in claim 3, wherein: the transmission mechanism comprises transmission assemblies symmetrically arranged on two sides of a main body (2-1) of the electric push rod, each transmission assembly comprises a pull rod (4), a rotating plate (5), a first connecting rod (6) and a first pin shaft (7), one end of each pull rod (4) is rotatably connected with the end of each telescopic shaft (2-2), the other end of each pull rod is rotatably connected with one end of each rotating plate (5), two ends of each first pin shaft (7) are rotatably connected with the middle of each rotating plate (5), the first connecting rods (6) and the side wall of each fixing seat (1) which are symmetrically arranged, the other end of each first connecting rod (6) is rotatably connected with the wheel (3), and an elastic supporting assembly (8) is movably arranged between the other end of each rotating plate (5) and the middle of each first connecting rod (6).

5. The automatically retractable caster as claimed in claim 4, wherein: the elastic support assembly (8) comprises a second pin shaft (8-1) and a third pin shaft (8-2) which are arranged in parallel, two ends of the second pin shaft (8-1) are respectively and rotatably connected with the other ends of the rotating plates (5) which are symmetrically arranged, two ends of the third pin shaft (8-2) are respectively and rotatably connected with the middle of the first connecting rod (6), at least one first screw rod (8-3) penetrates between the second pin shaft (8-1) and the third pin shaft (8-2), a spring (8-4) is sleeved on the first screw rod (8-3), and two ends of the spring (8-4) are respectively abutted against the second pin shaft (8-1) and the third pin shaft (8-2).

6. The automatically retractable caster as claimed in claim 4, wherein: and a sleeve (11) arranged between the two rotating plates (5) is coaxially arranged on the first pin shaft (7).

7. The automatically retractable caster as claimed in claim 4, wherein: two the other end of first connecting rod (6) all is equipped with square hole (6-1) and U type groove (6-2), two axle head cards of wheel (3) are gone into two in U type groove (6-2), the outside of first connecting rod (6) is equipped with in proper order and ends on the axle head of wheel (3) and rotate gasket (12) and lock nut (13), the periphery of stopping rotating gasket (12) is equipped with the card and goes into crotch 12-1 in square hole (6-1).

8. The automatically retractable caster as claimed in claim 2, wherein: the transmission mechanism comprises transmission assemblies symmetrically arranged on two sides of a main body (2-1) of the electric push rod, each transmission assembly comprises an air spring (23) and a second connecting rod (24) which are connected in a rotating mode, the other end of each second connecting rod (24) is connected with a wheel (3) in a rotating mode, and the middle of each second connecting rod (24) is connected with the side wall of the corresponding fixing seat (1) in a rotating mode.

9. An automatically controlled shallow which characterized in that: the remote control device comprises a vehicle body, a remote control panel and a caster arranged at the bottom of the vehicle body, wherein the caster is structurally as claimed in any one of claims 1 to 8, a power module and a controller electrically connected with the caster are fixedly mounted on the vehicle body, and the remote control panel is wirelessly connected with the controller.

10. An electronically controlled cart according to claim 10, wherein: the remote control panel is characterized in that an electric quantity display lamp (14), a charging warning lamp (15) and an electric quantity exhaustion lamp (16) are sequentially arranged from top to bottom at the left part of the remote control panel, a high-speed forward button (17), a low-speed forward button (18) and a backward button (19) are sequentially arranged from top to bottom at the right part of the remote control panel, a fault prompt lamp (20) and a standby display lamp (21) are arranged above the electric quantity display lamp (14), and a power switch button (22) is arranged below the electric quantity exhaustion lamp (16).

Technical Field

The invention relates to the technical field of intelligent machinery, in particular to a truckle capable of being automatically retracted and released and an electric control cart.

Background

The caster is a wheel connected to a lower portion of the transportation apparatus and capable of changing its direction, and is roughly classified into a fixed caster and a rotary caster. The caster is an important component of many conveyance devices, and not only serves as a traveling member but also serves as a shock absorber.

In the actual use process of the transportation device, when the transportation device is moved to a specified position, the transportation device needs to be stable, safe and reliable, and then the transportation device is loaded/unloaded. The prior art often makes the truckle fix such mode through increasing brake mechanism and has certain drawback, and fixed needs other part, and the brake of the truckle of area brake is easily relaxed, and the wheel of truckle is in the state that receives pressure all the time and little with the area of contact, easy slip, and stability is not high. Chinese patent "a truckle that can receive and release" with publication number CN105082880A discloses a truckle that can receive and release, including the supporting seat, is equipped with guide slot, axle and wheel on the supporting seat, removes along the guide slot through the axle and realizes installing receiving and releasing of epaxial truckle, and supporting seat and ground contact when receiving, the wheel is not stressed, and the supporting seat does not contact with ground when releasing, and the wheel is stressed, installs this truckle and can realize the fixed box removal of conveyer bottom. Although the caster has a simple structure, the bearing capacity is insufficient, the caster can be freely folded and unfolded through manpower in an idle load state, when the loaded articles are too heavy, the caster cannot slide due to the fact that the caster is jammed or even deadly clamped between the shaft and the guide groove, and the folding and unfolding functions are difficult to realize.

Disclosure of Invention

The invention aims to provide a truckle capable of being automatically retracted and extended and an electric control cart aiming at the defects of the prior art, which can realize the automatic retraction and extension of wheels, control the rotation and stop of the wheels, further realize the fixation and movement of the cart, and have high bearing capacity and simple structure.

The technical scheme for realizing the aim of the invention is as follows:

the utility model provides a can receive and release truckle automatically, includes the fixing base, fixed mounting is at the actuating mechanism of fixing base and rotates the drive mechanism who installs in the fixing base, drive mechanism's one end and actuating mechanism's output shaft are fixed to be linked to each other, and the other end rotates the wheel of installing band pulley hub motor, thereby actuating mechanism is suitable for to drive the action of drive mechanism and drives the wheel and move down and reset.

Furthermore, actuating mechanism adopts the electric push rod, the electric push rod includes the main part and locates the telescopic shaft of main part one end.

Further, the bottom of the fixing seat is higher than the bottoms of the transmission mechanism and the wheels.

Further, drive mechanism includes the transmission assembly of symmetry locating electric push rod main part both sides, transmission assembly includes pull rod, rotor plate, first connecting rod and first round pin axle, the one end of pull rod is rotated with the tip of telescopic shaft and is connected, and the other end rotates with the one end of rotor plate to be connected, the both ends of first round pin axle rotate with the middle part of the rotor plate that the symmetry set up, first connecting rod and the lateral wall of fixing base respectively and are connected, the other end of first connecting rod with the wheel rotates to be connected, movable mounting has the elastic support subassembly between the other end of rotor plate and the middle part of first connecting rod

Furthermore, the elastic support assembly comprises a second pin shaft and a third pin shaft which are arranged in parallel, two ends of the second pin shaft are respectively and rotatably connected with the other ends of the rotating plates which are symmetrically arranged, two ends of the third pin shaft are respectively and rotatably connected with the middle of the first connecting rod, at least one first screw rod penetrates through the second pin shaft and the third pin shaft, a spring is sleeved on the first screw rod, and two ends of the spring are respectively abutted to the second pin shaft and the third pin shaft.

Furthermore, a sleeve arranged between the two rotating plates is coaxially arranged on the first pin shaft.

Further, two the other end of first connecting rod all is equipped with square hole and U type groove, two axle head cards of wheel are gone into two U type inslot, the outside of first connecting rod is equipped with only commentaries on classics gasket and lock nut on the axle head of wheel in proper order, the periphery that only changes the gasket is equipped with the card and goes into hook in the square hole.

Further, drive mechanism includes that the symmetry locates the drive assembly of electric push rod main part both sides, drive assembly includes air spring and the second connecting rod that rotates continuous, the other end of second connecting rod with the wheel rotates and is connected, the middle part of second connecting rod with the lateral wall of fixing base rotates and is connected.

The utility model provides an automatically controlled shallow, includes automobile body, remote control panel and locates the truckle of automobile body bottom, the structure of truckle is as before, fixed mounting has on the automobile body with power module and controller that the truckle electricity is connected, the remote control panel with controller wireless connection.

Further, the left part top-down of remote control panel is equipped with electric quantity display lamp, the warning light that charges and electric quantity lamp that exhausts in proper order, and right part top-down is equipped with high-speed button, the button that advances at a low speed and retreats the button in proper order, and the top of electric quantity display lamp is equipped with trouble warning light and standby display lamp, and the below of electric quantity lamp that exhausts is equipped with switch button.

By adopting the technical scheme, the invention has the following beneficial effects:

(1) according to the invention, the rotation and stop of the wheel are controlled by arranging the wheel with the wheel hub motor, the driving mechanism is arranged to drive the transmission mechanism to act, so that the automatic retraction and release of the wheel are realized, the structure is simple, the wheel is not required to be retracted and released manually, the bearing capacity is excellent, and the wheel is not easy to clamp.

(2) The driving mechanism of the invention adopts the electric push rod, and can stably output larger force, thereby pushing the transmission mechanism to act and realizing the automatic retraction function.

(3) According to the structure, the bottom of the fixed seat is higher than the bottoms of the transmission mechanism and the wheel, the fixed seat is in contact with the ground in an initial state, the fixed state can be kept for a long time no matter whether the hub motor is started or not, the bearing capacity is high, the wheel is in contact with the ground when the transmission mechanism is opened, the wheel can be moved and fixed by controlling the starting and the closing of the hub motor, and the use is convenient.

(4) According to the transmission mechanism, the pull rod is pushed through the electric push rod, the pull rod pulls the rotating plate to rotate clockwise along the first pin shaft, so that the first connecting rod is driven to rotate clockwise along the first pin shaft, and therefore the downward movement of the wheel is achieved.

(5) According to the invention, the elastic support piece is arranged between the rotating plate and the first connecting rod, so that a downward thrust is provided for the first pull rod at the moment when the rotating plate rotates, the rotation of the first pull rod is facilitated, and meanwhile, a good damping effect is achieved.

(6) According to the invention, the sleeve is arranged on the first pin shaft, so that the space between the transmission assemblies at two sides can be always kept inconvenient, the transmission stability is improved, the jamming caused by space change is avoided, the strength of the first pin shaft is improved, and the bearing capacity of the caster is further improved.

(7) The other end of the first connecting rod is provided with the U-shaped groove, so that the wheel is convenient to mount, the radial fixation is realized through the rotation stopping gasket and the locking nut, and the mounting is firm.

(8) According to the other structure of the transmission mechanism, the gas spring and the second pull rod are rotatably connected, the gas push rod is used for pushing the gas spring, and the gas spring is used for pulling the second connecting rod to rotate clockwise, so that the wheels move downwards, the structure is simpler, the production cost is low, and different use requirements are met.

(9) The bottom of the electric control cart is provided with the trundles which can be automatically folded and unfolded and are provided with the wheel hub motors, and the remote control panel which can remotely control the trundles is arranged, so that the electric control cart is more convenient to use.

(10) The remote control panel is provided with a plurality of functional buttons and indicator lamps, so that the remote control panel is more convenient to use and operate.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a perspective view of embodiment 1;

FIG. 2 is a schematic structural view of embodiment 1 (the fixing base is not shown in the figure);

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a schematic structural view of a first link in accordance with embodiment 1;

FIG. 5 is a schematic view showing the structure of a remote control panel according to embodiment 1;

FIG. 6 is a perspective view of embodiment 2;

fig. 7 is a schematic structural view of embodiment 2 (the fixing base is not shown in the figure).

The reference numbers in the drawings are:

the device comprises a fixed seat 1, a mounting hole 1-1, a through groove 1-2, a driving mechanism 2, a main body 2-1, a telescopic shaft 2-2, a wheel 3, a pull rod 4, a rotating plate 5, a first connecting rod 6, a square hole 6-1, a U-shaped groove 6-2, a first pin shaft 7, an elastic supporting component 8, a second pin shaft 8-1, a third pin shaft 8-2, a first screw 8-3, a spring 8-4, a second screw 9, a cylindrical cushion block 10, a sleeve 11, a rotation stopping gasket 12, a hook 12-1, a locking nut 13, an electricity quantity display lamp 14, a charging warning lamp 15, an electricity quantity exhaust lamp 16, a high-speed forward button 17, a low-speed forward button 18, a backward button 19, a fault prompting lamp 20, a standby display lamp 21, a power switch button 22, an air spring 23 and a second connecting rod 24.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

(example 1)

The electric control cart shown in fig. 1 to 5 comprises a cart body, a remote control panel and casters arranged at the bottom of the cart body, wherein a power module and a controller electrically connected with the casters are fixedly installed on the cart body, and the remote control panel is wirelessly connected with the controller. The truckle of this embodiment is for can receive and release the truckle automatically, including fixing base 1, fixed mounting is at actuating mechanism 2 and the rotation of fixing base 1 in fixing base 1 and installs the drive mechanism in fixing base 1, drive mechanism's one end links to each other with actuating mechanism 2's output shaft is fixed, the other end rotates the wheel 3 of installing band pulley hub motor, utilize remote control panel to control the truckle action, thereby it moves down and resets to drive wheel 3 through actuating mechanism 2 drive mechanism action, utilize wheel hub motor control wheel 3 to rotate and stop, thereby realize the removal and the fixed of shallow, the structure is succinct, need not the manual work and go the wheel to receive and release, and bearing capacity is excellent, difficult card is dun.

Specifically, the driving mechanism 2 adopts an electric push rod which can stably output larger force so as to push the transmission mechanism to act and realize the automatic retraction function, and the electric push rod comprises a main body 2-1 and a telescopic shaft 2-2 arranged at one end of the main body 2-1. The bottom of fixing base 1 is higher than the bottom of drive mechanism and wheel 3, and during initial condition, fixing base 1 and ground contact, no matter whether in-wheel motor starts, the shallow homoenergetic keeps the stationary state for a long time to the bearing capacity is great, and when drive mechanism opened, wheel 3 and ground contact, through the start-up and the closing of control in-wheel motor, can realize removing and fixed convenient to use. The wheel hub motor of this embodiment is four cun brushless wheel hub motors, and the tread of wheel 3 is rubber, and the tire is for exempting from pneumatic tire.

The transmission mechanism comprises transmission components symmetrically arranged on two sides of the electric push rod main body, and each transmission component comprises a pull rod 4, a rotating plate 5, a first connecting rod 6, a first pin shaft 7 and an elastic supporting component 8. The right end of the pull rod 4 is provided with a second screw 9 which penetrates through the telescopic shaft 2-2, so that the right end of the pull rod 4 is rotatably connected with the end part of the telescopic shaft 2-2. The second screw 9 is coaxially sleeved with a cylindrical cushion block 10, so that the strength of the second screw 9 and the structural stability of the transmission assemblies on the two sides are improved.

The rotating plate 5 is of an L-shaped structure, the left end of the pull rod 4 is rotatably connected with the left end of the rotating plate 5, two ends of the first pin shaft 7 are rotatably connected with the middle of the rotating plate 5, the left end of the first connecting rod 6 and the side wall of the fixed seat 1, which are symmetrically arranged, respectively, and the right end of the first connecting rod 6 is rotatably connected with the wheel 3.

The upper end of the elastic supporting component 8 is rotatably arranged at the right end of the rotating plate 5, and the lower end of the elastic supporting component is rotatably arranged in the middle of the first connecting rod 6. The elastic supporting component 8 comprises a second pin shaft 8-1 and a third pin shaft 8-2 which are vertically distributed and arranged in parallel, two ends of the second pin shaft 8-1 are respectively and rotatably connected with the left end of the rotating plate 5 which is symmetrically arranged, two ends of the third pin shaft 8-2 are respectively and rotatably connected with the middle part of the first connecting rod 6, two first screw rods 8-3 are parallelly penetrated between the second pin shaft 8-1 and the third pin shaft 8-2, a spring 8-4 is sleeved on the first screw rod 8-3, and two ends of the spring 8-4 are respectively abutted to the second pin shaft 8-1 and the third pin shaft 8-2. Promote pull rod 4 through the electric push rod, pull rod 4 pulling rotor plate 5 rotates along first round pin axle 7 clockwise, under elastic support component 8's effect for rotor plate 5 provides a decurrent thrust for first pull rod 6 in the twinkling of an eye of pivoted, thereby drive first connecting rod 4 and rotate along first round pin axle 7 clockwise, realize moving down of wheel 3, structural design is succinct, the transmission is stable, elastic support component 8 can play fine cushioning effect simultaneously.

Coaxial arrangement has the sleeve pipe 11 of locating between two rotor plates 5 on the first round pin axle 7 of this embodiment for interval between the drive assembly of both sides can remain inconvenience throughout, improves transmission stability, avoids the interval change to cause the card to pause, improves the intensity of first round pin axle 7 simultaneously, further improves the bearing capacity of truckle.

The left ends of the first connecting rods 6 on the two sides are provided with square holes 6-1 and U-shaped grooves 6-2, two shaft ends of the wheel 3 are respectively clamped into the two U-shaped grooves 6-2, the outer side of the first connecting rod 4 is sequentially provided with a rotation stopping gasket 12 and a locking nut 13 which are sleeved on the shaft ends of the wheel 3, the periphery of the rotation stopping gasket 12 is provided with a hook 12-1, and the hook 12-1 is clamped into the square hole 6-1. Through setting up U type groove 6-2, facilitate the installation wheel 3 to realize radial fixation through spline 12 and lock nut 13, the installation is firm.

Four mounting holes 1-1 are arranged on the periphery of the top of the fixing seat 1 in the embodiment, so that the fixing seat is convenient to mount at the bottom of a vehicle body. The side wall of the fixing seat is provided with the through groove 1-2, so that foreign matters in the fixing seat 1 can be conveniently cleaned in the using process, and the phenomenon that the transmission mechanism is blocked and the normal use of the caster is influenced due to the foreign matters is avoided.

The remote control panel of this embodiment is equipped with a plurality of function button and pilot lamp, be convenient for more use and operation, the left part top-down of remote control panel is equipped with three electric quantity display lamp 14 in proper order, a warning light 15 and an electric quantity of charging exhaust lamp 16, the right part top-down is equipped with high-speed button 17, low-speed button 18 and the button 19 of retreating of advancing in proper order, the top of electric quantity display lamp 14 is equipped with trouble warning light 20 and standby display lamp 21, the below of electric quantity exhaust lamp 16 is equipped with switch button 22.

When the remote control device is used, the switch of the power supply module is turned on, the power switch button 22 on the remote control panel is pressed, the electric quantity display lamp 14 is turned on, and the standby display lamp 21 slowly flashes. The front low-speed forward button 18 is pressed, the cart travels forward at a speed of 4 km/h, the back button 19 is pressed, the cart travels backward at a speed of 2.5 km/h, the high-speed forward button 17 is pressed, and the cart travels at a high speed of 6 km/h. The electric quantity display lamp 14, the charging warning lamp 15 and the electric quantity exhaustion lamp 16 are all turned on to indicate that the electric quantity is sufficient, when the electric quantity begins to decrease after being used for a certain time, the display lamp is turned off from top to bottom, and when the electric quantity drops to the charging warning lamp 15, the display lamp must be stopped to be used, and the charging is stopped. When the power of the remote control panel is turned on, the forward and backward keys are not pressed, the cart is pushed to generate great resistance, the controller outputs a rotation resistance signal to the hub motor in a power-on state, and after the remote control panel is turned off, the controller releases the rotation resistance signal, so that the cart can be pushed easily.

Adopt the truckle of this embodiment structure, the land fertility of grabbing of single truckle reaches 800N, and drive power is 60 ~ 120KG and compares in prior art, and the structure is succinct, bears the dynamic height. The remote control panel is used for controlling the retraction and the rotation of the caster wheels, manual operation is not needed, and the use is more convenient.

(example 2)

The structure of this embodiment is similar to that of embodiment 1, except that the transmission mechanism is different, and as shown in fig. 6 to 7, a three-inch brushless hub motor is used for the wheel 3. The transmission mechanism comprises transmission assemblies symmetrically arranged on two sides of the electric push rod main body, each transmission assembly comprises an air spring 23 and a second connecting rod 24 which are connected in a rotating mode, the right end of each second connecting rod 24 is connected with the corresponding wheel 3 in a rotating mode, and the middle portion of each second connecting rod is connected with the side wall of the corresponding fixing seat 1 in a rotating mode. Promote air spring 23 through the electric push rod, utilize air spring 23 pulling second connecting rod 24 clockwise turning to realize moving down of wheel 3, it is more succinct structurally, low in production cost satisfies different user demands.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.