CN216638825U

CN216638825U - Electric walking forklift truck

Info

Publication number: CN216638825U
Application number: CN202120625325.4U
Authority: CN
Inventors: 张红涛; 张家宁; 张家帅; 张馨美
Original assignee: Henan Qisheng Intelligent Technology Co ltd
Current assignee: Henan Qisheng Intelligent Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-05-31
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to an electric-walking forklift truck, wherein two driving wheels are connected with a transmission shaft which is positioned behind a C-shaped upright post and below an operation bracket, and the transmission shaft is in transmission connection with a walking motor which is positioned between the two driving wheels and drives the front of wheels. According to the utility model, the walking motor is arranged between the two driving wheels and drives the front part of the wheel, so that the walking motor arranged in the center behind the C-shaped upright post drives the two walking support legs to stretch out and draw back simultaneously.

Description

Electric walking forklift truck

Technical Field

The utility model belongs to the field of electric lifting equipment, and particularly relates to an electric walking forklift truck.

Background

At present, in order to facilitate transportation links such as cold-chain logistics, elevator transportation and cargo transportation by trucks, a forklift can accompany with a transport vehicle, a forklift truck is provided, and in order to facilitate getting on and off of the forklift truck, walking support legs of the existing forklift truck are all drawn and pulled manually and are stretched in the getting on and off process so as to avoid a carriage bottom plate, and the effect of semi-automatic getting on and off is achieved. However, under the influence of the dead weight of the truck-mounted forklift, the process of pulling and pulling the walking supporting legs wastes time and labor, and unnecessary physical consumption is brought to the loading and unloading personnel who are engaged in heavy physical labor, so that the loading and unloading work wastes time and labor. In addition, in the process of getting on or off the truck, the problem that the truck-mounted forklift tilts from the truck often appears under the influence of factors such as improper operation and unstable vehicle, and great potential safety hazard is caused to operators.

Our earlier application 2020229222082-truck-mounted forklift and its running gear propose that a driving mechanism driven by a power source is additionally arranged on a fixed sleeve at the bottom of a frame upright post, and especially a motor-driven mode is adopted to realize automatic extension of a running supporting leg. However, arrange driving motor in the mode of C type stand both sides, on the one hand can make on-vehicle fork truck receive in the vehicle-mounted transportation colliding with and the motor damage appears, on the other hand sets up driving motor respectively in C type stand both sides and can increase whole on-vehicle fork truck's cost, therefore there is the immature, the not enough problem of cost of technique in on-vehicle fork truck's running gear earlier.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric walking forklift truck with a compact structure, and the technical scheme is as follows:

an electric walking forklift truck comprises a C-shaped upright post, a base and an operation support, wherein the base is fixedly supported below the C-shaped upright post, the operation support is fixed behind the C-shaped upright post, a driving wheel is connected to the lower portion of the operation support, fixed sleeves fixedly connected with the base and walking support legs in sliding connection are respectively assembled on the left side and the right side of the base, gear type transmission wheels which are in meshing transmission connection with racks arranged on the walking support legs or chain wheel type transmission wheels which are in meshing transmission connection with chains arranged on the walking support legs or belt wheel type transmission wheels which are in transmission connection with a conveying belt arranged on the walking support legs are respectively installed on the two fixed sleeves, the two transmission wheels are connected with transmission shafts which are positioned behind the C-shaped upright post and below the operation support, and the transmission shafts are in transmission connection with a walking motor which is positioned between the two transmission wheels and in front of the driving wheel.

Preferably, the bottom of the C-shaped upright post is provided with an installation notch which is positioned on the web plate and runs through from front to back, and a speed reducer with an output end positioned behind the C-shaped upright post and in transmission connection with the transmission shaft and an input end positioned in the C-shaped upright post and in transmission connection with the walking motor is installed in the installation notch.

Preferably, the two driving wheels are symmetrically arranged on the left side and the right side of the C-shaped upright post, and the installation gap is positioned in the center of the bottom of the web plate of the C-shaped upright post; the transmission shafts connected with the two transmission wheels are the same shaft, and the middle transmission plug bush of the transmission shafts is connected in a sleeve arranged at the output end of the speed reducer.

Preferably, the upper side of the fixed sleeve is provided with a transmission gap for the bottom of the transmission wheel to pass through and be in transmission connection with a rack or a chain or a transmission belt at the top of the walking support leg, and the left side and/or the right side of the transmission gap are/is provided with cushion blocks which are arranged between the fixed sleeve and the walking support leg in a sliding manner and are fixed on the upper side wall of the fixed sleeve.

Preferably, fixed cover and flexible landing leg are steel material, are fixed with on the fixed cover to press from both sides and establish between flexible landing leg and fixed cover and with walking landing leg sliding fit's plastics bush.

Preferably, the transmission wheel is of a chain wheel type, and the walking leg is provided with a chain fixed on the top surface of the walking leg in a spot welding manner or meshing grooves or holes which are formed in the top surface of the walking leg and distributed at intervals in the front-back direction.

Preferably, the transmission wheel is a gear, and the walking leg is provided with a rack fixed on the top surface of the walking leg, or meshing teeth which are convexly arranged on the top surface of the walking leg and are arranged at intervals in the front-back direction, or meshing grooves or holes which are arranged on the top surface of the walking leg and are arranged at intervals in the front-back direction.

Preferably, a mudguard is fixed to the rear side of the base between the traveling motor and the driving wheel.

Preferably, the left side and the right side of the walking support leg are respectively fixed with a sliding lining plate in sliding fit with the inner wall of the fixing sleeve, the sliding lining plate is provided with a countersunk hole, a countersunk screw in threaded connection with the walking support leg is installed in the countersunk hole, and the head of the countersunk screw is submerged into the countersunk hole.

The utility model has the beneficial effects that:

according to the utility model, the walking motor is arranged between the two driving wheels and drives the position in front of the wheel, so that the walking motor arranged in the center behind the C-shaped upright post drives the two walking support legs to stretch out and draw back simultaneously.

Drawings

FIG. 1 is a right side view of the truck of the present invention;

FIG. 2 is a left side view of the truck of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a rear elevational view of the truck of the present invention;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

FIG. 6 is a schematic view of the walking legs of the truck of the present invention;

fig. 7 is a schematic view of the walking legs of the forklift truck of the utility model in another view.

Detailed Description

Referring to fig. 1 to 5, the truck-mounted forklift mainly comprises a body 1, a traveling mechanism 2 and a fork mechanism 3, wherein the fork mechanism 3 is the same as the fork mechanism 3 of the existing truck-mounted forklift, and the main improvement lies in the traveling mechanism 2 and a body structure matched with the traveling mechanism.

Automobile body 1 includes C type stand 4 and the base 5 that the bottom set up, and the below at C type stand 4 is fixed in the bearing of base 5, and the front side and the left and right sides of base 5 flush with the corresponding side of C type stand 4 separately, and the rear side stretches out from the rear of C type stand 4. An operating bracket 6 positioned above the base 5 is fixed at the rear part of the C-shaped upright post 4. The left side and the right side of the base 5 are respectively fixed with a C-shaped fixing sleeve 7 with an opening facing downwards, one side of the fixing sleeve 7 away from the C-shaped upright post 4 is fixed with a wheel carrier 8, the wheel carrier 8 mainly comprises a bottom plate fixed on the side wall of the fixing sleeve 7 and triangular wall plates fixed on the front side and the rear side of the fixing sleeve, and the vertical surfaces of the wall plates are fixed on the side surface of the C-shaped upright post 4. The fixed sleeve 7 is internally provided with walking support legs 9 which are inserted and connected in a sliding way along the front-back direction, and the back ends of the two walking support legs 9 are bridged with an upturned handle 10. The rear end of the fixed sleeve 7 is flush with the rear side of the base 5, the rear side of a web plate of the fixed sleeve 7 is provided with a transmission gap which is arranged in the middle and extends forwards from the rear edge, the left side and the right side of the transmission gap are respectively fixed with a cushion block 11 which is fixed on the lower plate surface of the web plate of the fixed sleeve 7 and is in sliding fit with the walking supporting legs 9, and the thickness of the cushion block 11 is slightly larger than that of a chain fixed on the top surfaces of the walking supporting legs 9 so as to ensure the good operation of the chain transmission fit part. The fixed sleeve 7 and the telescopic supporting leg are made of steel, and a plastic bushing which is clamped between the telescopic supporting leg and the fixed sleeve 7 and is in sliding fit with the walking supporting leg 9 is fixed on the fixed sleeve 7.

The walking mechanism 2 comprises an operating rod 12 assembled on the operating bracket 6 and driving wheels 13 connected below the operating rod, and the driving wheels 13 are arranged behind the base 5 at intervals. The walking mechanism 2 also comprises a bearing 14 with a seat fixed on the upper side of the fixed sleeve 7, one side of the bearing 14 with the seat close to the C-shaped upright post 4 is coaxially connected with a chain wheel type driving wheel 15, and the bottom of the driving wheel 15 penetrates through the driving gap and extends into the fixed sleeve 7; the running gear 2 also comprises a chain spot-welded on the top surface of the running leg 9, and the chain is in meshing transmission connection with the transmission wheel 15. Two driving wheels 15 are symmetrically arranged at the left side and the right side of the C-shaped upright post 4, the two driving wheels 15 are coaxially connected onto the same transmission shaft 16, the transmission shaft 16 is positioned at the rear part of the C-shaped upright post 4 and below the operation support 6, the middle part of the transmission shaft 16 is inserted into a sleeve arranged at the output end of a speed reducer 17 arranged on the base 5 arranged in the middle in a rotation stopping way, and the transmission shaft 16 is matched with the sleeve in a key way. The speed reducer 17 is arranged in an installation notch formed in the bottom of a web plate of the C-shaped upright post 4 in a penetrating mode, the input end of the speed reducer 17 is located in the C-shaped upright post 4, and the input end of the speed reducer 17 is connected with a traveling motor 18 located in the C-shaped upright post 4 in a transmission mode. A fender 19 is fixed to the rear side of the base 5 between the traveling motor and the drive wheel 13.

Preferably, as shown in fig. 6 and 7, sliding lining plates 20 which are in sliding fit with the inner wall of the fixing sleeve 7 are respectively fixed on the left side and the right side of the walking leg 9, countersunk holes are formed in the sliding lining plates 20, countersunk screws which are in threaded connection with the walking leg 9 are installed in the countersunk holes, and the heads of the countersunk screws sink into the countersunk holes.

In other embodiments, the chain may be replaced by engaging slots or holes formed on the top surface of the walking leg and spaced in the front-rear direction. The chain transmission mechanism can also be replaced by a gear rack transmission mechanism, a belt transmission mechanism and other mechanisms for outputting torque power. In the gear transmission mechanism, the walking support leg is provided with a rack fixed on the top surface of the walking support leg, or the top surface of the walking support leg is convexly provided with meshing teeth arranged at intervals from front to back, or the top surface of the walking support leg is provided with meshing grooves or holes arranged at intervals from front to back.

The above description is only about the preferred embodiment of the present invention, but it should not be understood as limiting the claims, and the present invention may be modified in other structures, not limited to the above structures. In summary, all changes which come within the scope of the utility model as defined by the independent claims are to be embraced therein.

Claims

1. The electric walking forklift truck comprises a C-shaped upright post, a base and an operation support, wherein the base is fixedly supported below the C-shaped upright post, the operation support is fixedly arranged behind the C-shaped upright post, a driving wheel is connected below the operation support, fixed sleeves fixedly connected with the base and walking support legs in front-back sliding connection are respectively assembled at the left side and the right side of the base, gear type transmission wheels which are in meshing transmission connection with racks arranged on the walking support legs or chain wheel type transmission wheels which are in meshing transmission connection with chains arranged on the walking support legs or belt wheel type transmission wheels which are in transmission connection with a conveying belt arranged on the walking support legs are respectively installed on the two fixed sleeves.

2. The electric-walking forklift truck according to claim 1, wherein the bottom of the C-shaped column is provided with a through-going mounting notch located on the web, and the mounting notch is provided with a speed reducer having an output end located behind the C-shaped column and in transmission connection with the transmission shaft, and an input end located in the C-shaped column and in transmission connection with the walking motor.

3. The electric walking forklift truck as claimed in claim 2, wherein the two driving wheels are symmetrically arranged on the left side and the right side of the C-shaped upright post, and the installation gap is located at the central position of the bottom of the web plate of the C-shaped upright post; the transmission shafts connected with the two transmission wheels are the same shaft, and the middle transmission plug bush of the transmission shafts is connected in a sleeve arranged at the output end of the speed reducer.

4. The electric-powered walking forklift truck as claimed in claim 1, wherein the upper side of the fixing sheath is provided with a transmission gap for the bottom of the transmission wheel to pass through and be in transmission connection with the rack or chain or transmission belt on the top of the walking leg, and the left side and/or the right side of the transmission gap is provided with a cushion block which is slidably arranged between the fixing sheath and the walking leg and fixed on the side wall of the fixing sheath.

5. The power-driven forklift truck according to claim 1, wherein the fixed sleeve and the telescopic leg are made of steel, and a plastic bushing interposed between the telescopic leg and the fixed sleeve and slidably fitted to the walking leg is fixed to the fixed sleeve.

6. An electric-powered walking forklift truck as claimed in any one of claims 1 to 5, wherein the driving wheel is of a sprocket type, and the walking legs are provided with chains spot-welded to the top surfaces of the walking legs or with engaging grooves or holes formed in the top surfaces of the walking legs and spaced apart in the front-rear direction.

7. The electric walking forklift truck as claimed in any one of claims 1 to 5, wherein the driving wheel is a gear, and the walking legs are provided with racks fixed on the top surfaces of the walking legs or with engaging teeth protruding from the top surfaces of the walking legs and arranged at intervals in the front-back direction or with engaging grooves or holes arranged on the top surfaces of the walking legs and arranged at intervals in the front-back direction.

8. The electric-powered forklift truck according to any one of claims 1 to 5, wherein a fender is fixed to a rear side of the base between the traveling motor and the drive wheel.

9. The electric walking forklift truck as claimed in any one of claims 1 to 5, wherein sliding lining plates slidably fitted to the inner wall of the fixing sleeve are fixed to the left and right sides of the walking leg, respectively, the sliding lining plates are provided with countersunk holes, countersunk screws threadedly connected to the walking leg are installed in the countersunk holes, and the heads of the countersunk screws are sunk into the countersunk holes.