CN215160449U - Small-sized carrier with crank arm hoisting device - Google Patents

Abstract

The utility model provides a small-sized carrier with a crank arm hoisting device, belonging to the technical field of carrying devices; the crank arm lifting mechanism comprises a crank arm push rod, a crank arm, a swing arm and a swing arm push rod; the rotating crank arm is connected with a flat car frame shaft, the fixed end of a rotating crank arm push rod is connected to the flat car frame, and the rotating crank arm retracts or extends out of the flat car frame under the action of the rotating crank arm push rod; a swing arm push rod is arranged between the crank arm and the swing arm and is used for enabling the swing arm to rotate; the utility model has simple operation, flexible movement and self-carrying lifting device, and solves the problem of small carrying capacity of the forklift; the system is simplified, and the reliability and maintainability of the system are improved.

Description

Small-sized carrier with crank arm hoisting device

Technical Field

The utility model belongs to the technical field of handling device, a small-size carrier of crank arm hoisting apparatus is related to in area.

Background

With the development of network technology and automatic control technology, mobile transfer robots (AGV automatic guided vehicles, RGV guided vehicles, IGV intelligent guided vehicles) are used as one of the core devices of intelligent logistics, and the development is rapid in recent years. The intelligent network control system is mainly applied to various areas with intelligent network control, such as high-density warehouses, ports, intelligent production workshops and the like, and ordinary warehouses and production areas unsuitable for intelligent network control basically carry goods by means of cooperation of beam cranes, forklifts, fixed small booms and the like.

The mobile carrying robot needs an intelligent network to carry out robot scheduling and navigation control, the investment is large, the requirement is high, and common logistics carrying and production units do not have use conditions; the beam crane is generally installed in occasions of large cargo storage and large part production and assembly, is mainly used for large cargo transportation and assembly assistance, wastes resources for the transportation and assembly of small and medium-sized parts, needs to be provided with special personnel due to high operation requirements of the large crane, and is easy to cause transportation delay and block production progress due to the fact that only one or two cranes are provided in the occasions; the application of the forklift instead of a beam crane solves the problem of carrying small and medium-sized parts, the forklift is a vehicle, the operation needs related qualifications, the carrying capacity of the forklift is small, and the requirement for frequently carrying a large amount of small and medium-sized goods is difficult to meet; the fixed small suspension arm is mainly used for serving fixed equipment and cannot meet the requirement of long-distance cargo transportation.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a small-size carrier of area crank arm hoisting apparatus.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A small-sized carrier with a crank arm hoisting device comprises a flat frame and a crank arm hoisting mechanism connected to the flat frame, wherein the flat frame is provided with a steering device, a walking device and a driving device, and the crank arm hoisting mechanism comprises a crank arm pushing rod, a crank arm, a swing arm and a swing arm pushing rod; the rotary crank arm is connected with a flat car frame shaft, the fixed end of a rotary crank arm push rod is connected to the flat car frame, and the telescopic end of the rotary crank arm push rod is connected with the rotary crank arm through a first connecting shaft; the rotating crank arm retracts or extends out of the flat frame under the action of the rotating crank arm push rod; the front end of the turning arm is connected with the swing arm through a second connecting shaft, and a swing arm push rod is arranged between the turning arm and the swing arm and used for enabling the swing arm to rotate around the second connecting shaft; the front end of the swing arm is provided with a first lifting appliance mounting wheel.

Furthermore, two crank arm hoisting mechanisms are symmetrically arranged on the flat frame, a hoisting connection suspender is connected between the two crank arm hoisting mechanisms, and a second sling installation wheel is arranged on the hoisting connection suspender.

Further, the lifting connecting boom is connected between the two first spreader mounting wheels.

Furthermore, the first lifting appliance mounting wheel is connected with the front end of the swing arm through a mounting shaft, and a lifting appliance hanging pin is arranged on the mounting shaft.

Furthermore, be connected with first base on the installation axle, first hoist installation wheel is connected with first base.

Furthermore, the first base is fixedly connected with a second base, and the hoisting connecting suspender passes through the second base and is connected with the second base.

Furthermore, turn to the device and include mechanical handle and turn to the connecting rod, the mechanical handle turns to the seat through first and connects on dull and stereotyped frame, turns to the connecting rod and turns to the bottom of seat connection at dull and stereotyped frame through the second, turns to through the hub connection between seat and the second, turns to the connecting rod both ends and is connected with running gear respectively.

Furthermore, running gear includes the walking wheel, and the walking wheel sets up in dull and stereotyped frame's bottom through the third steering seat, the both ends that turn to the connecting rod are connected with the third steering seat.

Further, the walking wheel is connected with a driving motor, the driving motor is connected with a rechargeable battery, and the rechargeable battery is arranged at the bottom of the flat car frame.

Furthermore, the crank arm push rod and the swing arm push rod are both electric push rods, the crank arm push rod and the swing arm push rod are respectively connected with an electric control system, the electric control system is arranged on the flat frame, and the driving motor is connected with the electric control system.

The utility model discloses produced beneficial effect does for prior art.

The utility model adopts the crank arm turnover as a mechanism for lifting and carrying goods, and has simple structure and high safety; the structure of the crank arm and the swing arm is adopted, so that the height of the goods can be changed when the goods are lifted, and the horizontal position of the goods can be changed at the horizontal position; the direct-current charging power supply is used as a power source of the equipment, and the direct-current motor is used as a driving motor for equipment movement and electric push rod stretching, so that the equipment is flexible, safe and reliable.

The utility model solves the problems of high application investment and high configuration requirement of the mobile transfer robot; meanwhile, the problem that the beam crane is large in investment, high in operation requirement and small in quantity, so that the goods are not smoothly transported is solved; the operation is simple, the device can be flexibly moved, and the lifting device is provided, so that the problems that the operation of the forklift needs related qualifications and the carrying capacity of the forklift is small are solved; the flexible maneuvering capability solves the problem that fixed small booms are mainly used to serve fixed equipment. The system has good practical value, reduces the use cost, simplifies the system and improves the reliability and maintainability of the system.

Drawings

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the following drawings are combined for illustration:

fig. 1 is a front view of a carrier according to an embodiment in a state where a crank arm is extended.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of a state in which a crank arm of the carrier according to the embodiment is retracted.

FIG. 4 is a front view of a swing arm retracted state of the cart according to the embodiment.

FIG. 5 is a front view of a swing arm of the transport vehicle according to the embodiment in an extended state.

Fig. 6 is a schematic view of the connection of the lifting link boom to the swing arm.

Fig. 7 is a partially enlarged schematic view of fig. 6.

FIG. 8 is a schematic view of the connection of the mechanical handle according to the embodiment.

Fig. 9 is a first circuit diagram of the electric control in the embodiment.

Fig. 10 is a second circuit diagram of the electric control in the embodiment.

In the figure, 1 is an electric flat car frame, 2 is a walking wheel, 3 is a rechargeable battery, 4 is a left and right front walking wheel driving motor, 5 is a mechanical handle, 6 is an electric control system, 7 is a swing arm, 8 is a turning arm, 9 is a swing arm electric push rod, 10 is a turning arm electric push rod, 11 is a first hanger mounting wheel, 12 is a hoisting connection suspender, 13 is a second hanger mounting wheel, 14 is a turning arm electric push rod mounting base, 15 is a turning arm mounting base, 16 is a mounting wheel base, 17 is a shaft, 18 is a fastening screw, 19 is a hanger hanging pin, 20 is a hoisting connection suspender mounting base, 21 is a connecting bolt, 22 is a mechanical handle mounting steering base, 23 is a steering connecting rod mounting steering base, 24 is a steering connecting rod, 25 is a walking wheel steering base, and 26 is a connecting shaft.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

The present embodiment will be described with reference to a small-sized carrier with a crank arm lifting device. As shown in fig. 1 and 2, the electric flat car is composed of an electric flat car frame 1, road wheels 2, a rechargeable battery 3, left and right front road wheel drive motors 4, a mechanical handle 5 (steering device), and the like. The electric flat car frame 1 is used for mounting all devices and carriers for goods transportation; four traveling wheels 2 are arranged at four corners at the bottom of the frame 1 of the electric flat car, and a left front traveling wheel driving motor 4 and a right front traveling wheel driving motor 4 are additionally arranged at the front two traveling wheels 2 and are used as driving motors; the rechargeable battery 3 is arranged at the bottom of the electric flat car frame 1 and is a power source for the operation of the whole device; the electric control system 6 is arranged at the front end of the electric flat car frame 1 and is used for controlling the operation of all electric appliances of the device; the front and the back of the electric flat plate vehicle frame 1 are respectively provided with a set of crank arm hoisting mechanisms, each crank arm hoisting mechanism consists of a swing arm 7, a crank arm 8, a swing arm electric push rod 9, a crank arm electric push rod 10 and a first lifting appliance mounting wheel 11, and the state of the crank arm hoisting mechanism is adjusted by controlling the expansion of the swing arm electric push rod 9 and the crank arm electric push rod 10, so that goods hung on the first lifting appliance mounting wheel 11 can be safely hoisted, and the goods can be unloaded or placed on the electric flat plate vehicle frame 1; the mechanical handle 5 is a connecting rod device, and the steering of the front two walking wheels 2 (with walking wheel driving motors 4) can be controlled by rotating the mechanical handle 5, so that the whole small-sized carrier is controlled to flexibly steer and run; the hoisting connecting suspension rod 12 is arranged on the base of the front and the rear first sling mounting wheels 11, the crank arm electric push rod 10 can be arranged or detached as required, and the hoisting connecting suspension rod 12 can be provided with a plurality of second sling mounting wheels 13 at the upper side as required for hoisting goods.

The electric push rod 10 of the turning arm is fixed on the frame 1 of the electric flat plate vehicle through the electric push rod mounting base 14 of the turning arm, and the telescopic rod of the electric push rod 10 of the turning arm is connected with the turning arm 8 through a connecting shaft; the rotating crank arm 8 fixes the rotating crank arm 8 on the electric flat car frame 1 through the rotating crank arm mounting base 15, and the rotating crank arm electric push rod 10 stretches out and draws back through the telescopic rod to drive the rotating crank arm 8 to rotate around the connecting shaft of the rotating crank arm mounting base 15.

The swing arm 7 is connected with the end part of the rotating crank arm 8 through a connecting shaft, two ends of a swing arm electric push rod 9 are respectively fixed on the rotating crank arm 8 and the swing arm 7, and the swing arm 7 is driven to rotate around the connecting shaft through the extension and retraction of the swing arm electric push rod 9, so that the angle between the swing arm 7 and the rotating crank arm 8 is adjusted, and the effect of adjusting the position of goods is achieved; the crane jib 12 is fixed to the first spreader mounting wheel 11 by means of a mounting wheel base 16 and can move with the swing arm 7.

As shown in fig. 6 and 7, a shaft 17 is fixed on the head of the swing arm 7, the first hanger mounting wheel 11 is mounted on the shaft 17 and can rotate, the mounting wheel base 16 is fixed with the shaft 17 through a fastening screw 18, the shaft 17 is provided with a hanger hanging pin 19, according to different hanger connection modes, the first hanger mounting wheel 11 can directly surround the first hanger mounting wheel 11 and can also be hung on the hanger hanging pin 19, the first hanger mounting wheel 11 can freely rotate through the shaft 17, so that the angle between a hanger and a cargo cannot change in the cargo lifting process, and the cargo can be stably lifted; the mounting wheel base 16 and the hoisting connection suspender mounting seat 20 are fixedly connected through the connecting bolt 21, the hoisting connection suspender mounting seat 20 is composed of two symmetrical halves, the middle parts of the hoisting connection suspender mounting seat are fastened and connected into a whole through the locking screw, the hoisting connection suspender 12 with the end boss penetrates through the hoisting connection suspender mounting seat 20 and is fixed, the second suspender mounting wheels 13 can be mounted at different positions of the hoisting connection suspender 12 as required, and flexible and multi-adaptability cargo hoisting and carrying are realized.

Fig. 8 is a schematic view showing the mechanism of the mechanical handle 5 (steering device). The mechanical handle 5 is connected with a steering connecting rod installation steering seat 23 through a mechanical handle installation steering seat 22, the steering connecting rod installation steering seat 23 is connected with a walking wheel steering seat 25 through a steering connecting rod 24, the mechanical handle 5 drives the mechanical handle installation steering seat 22 to rotate, the mechanical handle installation steering seat 22 drives the steering connecting rod installation steering seat 23 to rotate through a connecting shaft 26, the steering connecting rod installation steering seat 23 rotates, meanwhile, the walking wheel steering seat 25 is driven to rotate together through the steering connecting rod 24, walking wheels 2 are installed on the walking wheel steering seat 25, the walking wheel steering seat 25 is installed on the electric flat car frame 1 through a rotating shaft, the walking wheel steering seat 25 drives the walking wheels 2 to rotate together, and the electric flat car frame 1 is turned.

As shown in fig. 3-5, when the electric flat car frame 1 unloads the goods or lifts the goods from a designated place, the goods are placed on the electric flat car frame 1, and the electric push rod 10 of the turning arm must be extended, the turning arm 8 drives the swing arm 7, so that the first sling mounting wheel 11 and the sling are turned together and extend out from the side of the electric flat car frame 1. The position of the first hanger mounting wheel 11 is adjusted by extending or retracting the swing arm electric push rod 9, and the goods are unloaded or hung.

The electric push rod 10 of the turning arm, the turning arm 8 is in a reset state, the electric push rod 9 of the swing arm extends out, and the swing arm 7 is lifted, so that goods on the frame 1 of the electric flat car can be lifted by the first crane mounting wheel; the swing arm electric push rod 9 is retracted, the swing arm 7 swings downwards, and goods hung on the mounting wheels through the lifting appliance can be placed on the electric flat car frame 1.

As shown in fig. 9 and 10, the main power protection air switch QL0 is activated and the system is powered on. The power switch SA0 is a key switch, the power switch SA0 is started, and the operating system is powered on; the system is provided with an emergency stop switch SB0, an emergency stop switch SB0 is knocked down, and the system is powered off and enters an emergency stop state; the trolley advancing and retreating control switch SA1 is a self-reset master control switch, and the operation switch SA1 is positioned at different positions to control the power on of KA1 or KA2, so that the trolley walking driving motors M0 and M1 are controlled to rotate forwards and reversely to control the trolley advancing or retreating function, the switch SA1 is not operated, the trolley is positioned at a middle position, and the trolley is stopped; the double-crank arm overturning and withdrawing control switch SA2 is a self-resetting master control switch, and the operation switch SA2 is positioned at different positions to control the power on of KA3 or KA4, so that the front and rear two crank arm electric push rod driving motors M2 and M3 are controlled to rotate positively and negatively, the overturning and withdrawing functions of the double crank arms are controlled simultaneously, the switch SA2 is not operated, the two crank arms are positioned at a middle position, and the two crank arms stop acting; the front crank arm turning and withdrawing control switch SA3 is a self-resetting master control switch, and the operation switch SA3 is positioned at different positions to control the power on of KA5 or KA6, so that the electric push rod driving motor M2 of the front crank arm is controlled to rotate positively and negatively, the turning and withdrawing functions of the front crank arm are controlled simultaneously, the switch SA3 is not operated, the front crank arm is positioned at a middle position, and the front crank arm stops moving; the rear crank arm turning and withdrawing control switch SA4 is a self-resetting master control switch, and the operation switch SA4 is positioned at different positions to control the power on of KA7 or KA8, so that the rear crank arm electric push rod driving motor M3 is controlled to rotate positively and negatively, the functions of simultaneously controlling the turning and withdrawing of the rear crank arm are achieved, the switch SA4 is not operated, the rear crank arm is positioned at a middle position, and the front crank arm stops acting; the front swing arm overturning and retracting control switch SA5 is a self-resetting master control switch, and the operation switch SA5 is positioned at different positions to control the power on of KA9 or KA10, so that the front swing arm electric push rod driving motor M4 is controlled to rotate forwards and backwards, the front swing arm overturning function is controlled to simultaneously control the front swing arm to overturn forwards and backwards, the switch SA5 is not operated, the front swing arm is positioned at a middle position, and the front swing arm stops acting; the rear swing arm overturning and withdrawing control switch SA6 is a self-resetting master control switch, and the operation switch SA6 is positioned at different positions to control the power on of KA11 or KA12, so that the electric push rod driving motor M5 of the rear swing arm is controlled to rotate forwards and backwards, the function of synchronously controlling the front and rear overturning of the rear swing arm is achieved, the switch SA6 is not operated, the rear swing arm is positioned at a middle position, and the rear swing arm stops acting.

The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.

Claims (10)

1. The small-sized carrier with the crank arm hoisting device is characterized by comprising a flat frame and a crank arm hoisting mechanism connected to the flat frame, wherein the flat frame is provided with a steering device, a walking device and a driving device, and the crank arm hoisting mechanism comprises a crank arm pushing rod, a crank arm, a swing arm and a swing arm pushing rod; the rotary crank arm is connected with a flat car frame shaft, the fixed end of a rotary crank arm push rod is connected to the flat car frame, and the telescopic end of the rotary crank arm push rod is connected with the rotary crank arm through a first connecting shaft; the rotating crank arm retracts or extends out of the flat frame under the action of the rotating crank arm push rod; the front end of the turning arm is connected with the swing arm through a second connecting shaft, and a swing arm push rod is arranged between the turning arm and the swing arm and used for enabling the swing arm to rotate around the second connecting shaft; the front end of the swing arm is provided with a first lifting appliance mounting wheel.

2. The small-sized hand truck with the crank arm lifting device according to claim 1, wherein two crank arm lifting mechanisms are symmetrically arranged on the platform frame, a lifting connecting suspension rod is connected between the two crank arm lifting mechanisms, and a second hanger mounting wheel is arranged on the lifting connecting suspension rod.

3. The compact van with crank arm lifting device of claim 2, wherein the lifting connecting boom is connected between two first spreader mounting wheels.

4. The small-sized transportation vehicle with the crank arm lifting device as claimed in claim 3, wherein the first hanger mounting wheel is connected to a front end of the swing arm through a mounting shaft, and a hanger hanging pin is provided on the mounting shaft.

5. The small-sized transportation vehicle with a crank arm lifting device as claimed in claim 4, wherein a first base is connected to the mounting shaft, and the first hanger mounting wheel is connected to the first base.

6. The compact van with crank arm lifting apparatus according to claim 5, wherein the first base is fixedly connected with a second base, and the lifting connection boom passes through the second base and is connected with the second base.

7. The small-sized hand truck with the crank arm lifting device as claimed in claim 1, wherein the steering device comprises a mechanical handle and a steering link, the mechanical handle is connected to the platform frame through a first steering seat, the steering link is connected to the bottom of the platform frame through a second steering seat, the first steering seat and the second steering seat are connected through a shaft, and two ends of the steering link are respectively connected with the traveling device.

8. The compact van with crank arm lifting apparatus of claim 7, wherein the traveling device comprises a traveling wheel, the traveling wheel is disposed at the bottom of the flatbed frame through a third steering seat, and both ends of the steering link are connected to the third steering seat.

9. The small-sized transportation vehicle with the crank arm lifting device as claimed in claim 8, wherein the traveling wheels are connected with a driving motor, the driving motor is connected with a rechargeable battery, and the rechargeable battery is arranged at the bottom of the platform frame.

10. The small-sized hand truck with the crank arm lifting device according to claim 9, wherein the crank arm push rod and the swing arm push rod are both electric push rods, the crank arm push rod and the swing arm push rod are respectively connected with an electric control system, the electric control system is arranged on the flat car frame, and the driving motor is connected with the electric control system.

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