CN206475958U - Wheel carries out switching type transporting device - Google Patents

Abstract

The utility model belongs to the technical field of logistics equipment, in particular to a wheel-shoe switching conveying device, which includes a chassis assembly, a pedal assembly, and a lifting platform assembly; the chassis assembly includes a chassis and track wheels, and the track wheels are set On both sides of the chassis, crawler belts are wound between two adjacent track wheels, and two track wheel DC motors are provided on the chassis; a variable diameter wheel DC motor is provided on the chassis, and the The output end of the variable diameter wheel DC motor is connected with a driving spiral bevel gear, and the driving spiral bevel gear meshes with a driven gear, and the driven gear is installed on the front wheel shaft, and the two ends of the front wheel shaft are respectively connected with variable diameter wheels, The reducing wheel is located on the outer side of the track wheel. The utility model can realize the integrated function of fast walking on flat ground and floor climbing, and truly realizes the functions of adapting to various road conditions and switching quickly, greatly reducing the labor intensity of workers when carrying and transporting goods, and the whole process is efficient and fast .

Description

Wheel-track switching conveying device

technical field

The utility model belongs to the technical field of logistics equipment, in particular to a wheel-track switching conveying device.

Background technique

The degree of mechanization of the existing domestic logistics industry is very low, and the human sorting time is equivalent to the transportation time, which consumes a lot of time. There are difficulties in sorting and loading and unloading of different sizes, and the efficiency is very low. The sorting vehicle is heavy and has a single function. It is difficult to realize the orderly loading and unloading and flexible transportation of objects of different sizes. At present, flatbed vehicles are mostly used. Flatbed trucks cannot climb slopes, nor can they be raised and lowered, which restricts the development of the logistics industry.

Utility model content

The main purpose of the utility model is to overcome the shortcomings of the above-mentioned technologies, and provide a wheel-track switching conveying device, which can be lifted and climbed.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a wheel-track switching conveying device, which is characterized in that it includes a chassis assembly, a pedal assembly, and a lifting platform assembly; the chassis assembly includes a chassis and a track wheel , the track wheels are arranged on both sides of the chassis, crawler belts are wound between two adjacent track wheels, two track wheel DC motors are arranged on the chassis, and the output ends of the track wheel DC motors The track wheel is driven to rotate through a belt; a variable diameter wheel DC motor is provided on the chassis, and the output end of the variable diameter wheel DC motor is connected to a driving spiral bevel gear, and the driving spiral bevel gear meshes with the driven gear , the driven gear is installed on the front wheel shaft, and the differential and coupling are installed on the front wheel shaft. The two ends of the front wheel shaft are respectively connected with reducing wheels, and the reducing wheels are located on the track wheels the outer side of the chassis assembly; the lifting platform is installed on the upper part of the chassis assembly; the pedal assembly is hinged to the rear of the chassis assembly through a hinge, and the pedal assembly includes a pedal, a dead point link, and a universal wheel; One side of the pedal is hinged with the chassis through the hinge, the two sides of the pedal are respectively connected to the dead point connecting rod, the middle part of the dead point connecting rod is a movable knot and connected by a dead point pin, and the dead point is connected The upper part of the bar is connected with the rear part of the lifting platform, and there are two universal wheels, which are respectively arranged at the bottom of the pedal.

Preferably, the upper parts of the two universal wheels are respectively connected to the universal wheel connecting plate, and the universal wheel connecting plate is connected with the universal wheel, and the universal wheel is connected and slidably matched with the sliding sleeve arranged on the outside of the chassis. A rack is fixed in the middle of the universal wheel connection, the rack is engaged with the gear, the gear is connected to the front end of the short shaft, the short shaft cooperates with the bearing seat arranged on the pedal, and the rear of the rotating shaft The end is connected with the middle part of the polished rod, and the two ends of the polished rod are respectively connected with one end of the pedal through a linear bearing seat, and the middle part of the pedal is connected with the pedal through a lever.

Preferably, the lifting platform assembly includes scissors and a platform, the platform is connected to the upper part of the scissors, the lower part of the scissors is connected to a scissor seat, and the scissor seat is arranged on the chassis .

Preferably, a handle bracket is provided on the rear side of the scissor base, and a handle is mounted on the handle bracket.

Preferably, the track wheel is divided into a large track wheel and a small track wheel, and the small track wheel is mounted on an outer track joint block, and the outer track joint block is connected to a tensioning rod, and one end of the tensioning rod is connected to the track As for the baffle connecting block, a spring is arranged between the tensioning rod and the crawler baffle connecting block and fixed by a tensioning nut, and the crawler baffle connecting block is fixed on both sides of the chassis.

The beneficial effects of the utility model are: compared with the prior art, the utility model can realize the integrated function of fast walking on flat ground and floor climbing, truly realizes the functions of adapting to various road conditions and switching quickly, and greatly reduces the need for workers The labor intensity of cargo handling and transportation, the whole process is efficient and fast.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a left view of the utility model;

Fig. 3 is the structural representation of chassis assembly in the utility model;

Fig. 4 is a side view of the pedal assembly in the utility model;

Fig. 5 is a top view of the pedal assembly in the utility model;

Fig. 6 is a structural schematic diagram of the lifting platform assembly in the utility model.

detailed description

The specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

In describing the present invention, it should be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

As shown in Figures 1-3, a wheel-shoe switching conveying device includes a chassis assembly 1, a pedal assembly 2, and a lifting platform assembly 3; the chassis assembly includes a chassis 11 and track wheels 12, and the Track wheels are arranged on both sides of the chassis, and crawler belts 13 are wound between two adjacent track wheels. Two track wheel DC motors 14 are arranged on the chassis, and the output ends of the track wheel DC motors pass through The belt drives the track wheels to rotate; the chassis is provided with a variable-diameter wheel DC motor 15, and the output end of the variable-diameter wheel DC motor is connected with a driving spiral bevel gear 16, and the driving spiral bevel gear and the driven gear 17, the driven gear is installed on the front wheel shaft 18, a differential 19 and a coupling are installed on the front wheel shaft, and the two ends of the front wheel shaft are respectively connected with reducing wheels 10, and the reducing wheels Located on the outer side of the track wheel. The variable-diameter wheel is an existing technology, and someone has applied for a patent. In the process of walking on flat ground, the front variable-diameter wheel of the car body is opened to touch the ground, and the rear of the car body can be turned to the universal wheel and lowered to touch the ground, so that the track is vacated, so as to achieve fast speed on flat ground. The purpose of walking; in the process of climbing stairs, the variable-diameter wheels and universal wheels are put away, and at this moment, the crawler track touches the ground, and the process of climbing floors is completed by the crawler structure.

As shown in Figures 4 and 5, the pedal assembly 2 is hinged to the rear of the chassis assembly through a hinge, and the pedal assembly includes a pedal 21, a dead point link 22, and a universal wheel 23; One side of the pedal is hinged with the chassis through the hinge, and the two sides of the pedal are respectively connected to the dead point connecting rod. The middle part of the dead point connecting rod is a movable knot and is connected by a dead point pin 24. The upper part is connected with the rear part of the lifting platform, and there are two universal wheels, which are respectively arranged at the bottom of the pedal. The upper parts of the two universal wheels are respectively connected to the universal wheel connection plate 25 for adjusting the position of the universal wheel connection. The universal wheel connection plate is connected with the universal wheel connection 26, and the universal wheel connection is arranged on the chassis. The sliding sleeve 27 on the outside is slidingly fitted, and the middle part of the connection of the universal wheel is fixed with a rack 28, and the rack is meshed with a gear 29, and the gear is connected to the front end of the short shaft 20, and the short shaft is connected to the front end of the short shaft. The bearing seat on the pedal is matched, the rear end of the rotating shaft is connected with the middle part of the polished rod, the two ends of the polished rod are respectively connected with one end of the pedal through a linear bearing seat, and the middle part of the pedal is connected with the said pedal through a lever. Pedal connection. In the process of walking on flat ground, the front variable diameter wheel of the car body is opened to touch the ground, and the rear of the car body can be turned to the universal wheel and lowered to touch the ground, so that the track is emptied to achieve the purpose of fast walking on flat ground; in the process of climbing stairs, the variable diameter wheel And the universal wheel is put away, at this time the crawler touches the ground, and the process of climbing floors is completed by the crawler structure; the whole process is ensured by an adaptive lifting platform to ensure the stability of its commodity transportation, and the lifting platform is driven by double screws The pull-out structure that can adjust the height and change the angle at will, on the one hand, optimizes the space occupancy, and on the other hand, makes the platform where the goods are located extend to the ground during unloading, which is convenient for unloading.

As shown in Figure 6, there are many kinds of lifting platforms, and the most common one is the scissor lifting platform at present. The structure of the utility model is that the lifting platform 3 is installed on the upper part of the chassis assembly; the lifting platform assembly Including scissors 31 and platform 32, that is, the structure of the scissor lift platform. Specifically, the platform is connected to the upper part of the scissors, and the lower part of the scissors is connected to the scissor seat 33, and the scissor seat is arranged on the chassis. The lifting platform is a pull-out structure driven by double screws, which can adjust the height and change the angle arbitrarily. The double screws are divided into two types of control: one is manual control when carrying objects, at this time the operator lifts the platform to Appropriate height and adjustment to the required angle to transport the goods to the vehicle; the other is the adaptive balance control driven by the electrical system, which is mainly to solve the bumps and tilts of the vehicle body encountered in the process of commodity transportation and climbing stairs The problem is that the electrical system keeps the lifting platform level at all times by adjusting the double screw to achieve the purpose of smooth transportation. The platform extends to the ground during unloading, which is convenient for unloading.

In order to control the operation of the vehicle, a handle bracket is provided on the rear side of the scissors seat, and a handle is mounted on the handle bracket.

In the present utility model, the track wheel is divided into a large track wheel and a small track wheel, and the small track wheel is installed on the outer track joint block 4, and the outer track joint block is connected with the tensioning rod 5, and the tensioner One end of the rod is connected to the track baffle block 6, a spring 7 is arranged between the tension rod and the track baffle block and fixed 8 by a tension nut, and the track baffle block is fixed on the chassis sides. By adjusting the tightening nut, one end moves the guide wheel, and one end compresses the spring to obtain a certain pretension force. When the track encounters an impact during travel, the change of the impact force makes the spring stretch continuously to achieve a buffering effect.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (5)

1. one kind wheel carries out switching type transporting device, it is characterised in that：Including chassis assembly, pedal assembly, hoistable platform assembly；Institute Stating chassis assembly includes chassis and Athey wheel, and the Athey wheel is arranged on the both sides on the chassis, two adjacent Athey wheels Between be wrapped with crawler belt, the chassis leads to provided with two Athey wheel direct current generators, the output end of the Athey wheel direct current generator Crossing belt drives the Athey wheel to rotate；The chassis is provided with a diameter-changing wheel direct current generator, the diameter-changing wheel direct current generator Output end be connected with spiral bevel driving gear, the spiral bevel driving gear is engaged with driven gear, driven gear peace On front axle, differential mechanism and shaft coupling are installed, the two ends of the front axle are connected to reducing on the front axle Wheel, the diameter-changing wheel is located at the outside of the Athey wheel；The hoistable platform is arranged on the chassis assembly top；The pedal Assembly is hinged by hinge and the rear portion of the chassis assembly, and the pedal assembly includes pedal, dead point connecting rod, everything wheel；Institute The side for stating pedal is hinged by the hinge with the chassis, and the both sides of the pedal connect the dead point connecting rod respectively, extremely The middle part of point connecting rod is for activity knot and by dead point pin connection, and the top of dead point connecting rod is connected with the rear portion of the hoistable platform, The everything wheel is two, is separately positioned on the bottom of the pedal.

2. wheel according to claim 1 carries out switching type transporting device, it is characterised in that：Two everything wheel top difference Everything wheel connecting plate is connected, the everything wheel connecting plate is coupled connection with universal wheel, and the universal wheel is coupled and is arranged on described Slip cap on the outside of chassis is slidably matched, and what the everything wheel was coupled is fixedly arranged in the middle of rack, the rack and pinion engagement, institute The front end for stating gear and short axle is connected, and the short axle and the bearing block being arranged on the pedal coordinate, the rear end of the short axle It is connected with the middle part of polished rod, the two ends of the polished rod are connected by linear bearing seat with foot-operated one end respectively, described foot-operated Middle part is connected by lever with the pedal.

3. wheel according to claim 1 carries out switching type transporting device, it is characterised in that：The hoistable platform assembly includes cutting Fork and platform, the platform are connected to the top of the scissor, and the bottom of the scissor is connected with scissor seat, the scissor seat It is arranged on the chassis.

4. wheel according to claim 3 carries out switching type transporting device, it is characterised in that：The rear side of the scissor seat is provided with hand Handle is housed on handle support, the handle bracket.

5. wheel according to claim 1 carries out switching type transporting device, it is characterised in that：The Athey wheel is divided into big Athey wheel With small Athey wheel, the small Athey wheel is connect on block mounted in outer crawler belt, and the outer crawler belt connects block and is connected with tighting rod, the tighting rod One end connecting band track baffle plate connect block, the tighting rod and the crawler belt baffle plate are connect between block provided with spring and by tensioner nut Fixed, the crawler belt baffle plate connects block and is fixed on the chassis both sides.