CN208577393U - A kind of electric pallet truck - Google Patents

Abstract

The utility model discloses a kind of electric pallet trucks, including drive system, manipulate steering system, raising link assembly, bodywork system, hydraulic system and electrical system, hydraulic system and electrical system are separately positioned on inside bodywork system and connect with drive system, the lower end of manipulation steering system is fixedly connected with drive system or hydraulic system, the upper-end bent of manipulation steering system extends in the top of bodywork system, raising link assembly is arranged in the side of bodywork system along the direction of motion and is rotatablely connected with bodywork system, another side to overturn of bodywork system is connected with a pedal assembly, pedal assembly includes wheel cover, pedal, pedal pad, gas spring and elastic element.The electric pallet truck, when handling work is heavy, can station drive formula operation, can bumper and absorbing shock, improve crew comfort, lessen fatigue, improve working efficiency；When needing to operate in narrow space, pedal assembly need to only be folded and be packed up, realize walk type operation.

Description

A kind of electric pallet truck

Technical field

The utility model relates to tray carriage electric pallet truck technical field, more specifically to a kind of electric pallet Carrier.

Background technique

Current electric pallet truck is divided into walk type operation according to mode of operation difference and operation two is driven at pedal station Kind, light-weight electric tray truck currently on the market, the vehicle size is small and exquisite, carries flexibly, largely substitutes traditional hand Dynamic carrier is the ideal tools that numerous medium-sized and small enterprises or self-employed worker complete handling work.

However the vehicle is evolved according to manual transport trolley, is walk type operation, long-time walkie fork, driver Working strength is very big, and operating efficiency reduces.

Chinese patent literature (day for announcing: on May 24th, 2017, notification number: CN206188319U) discloses a kind of station and drives Formula electric pallet truck, including vehicle ontology, the vehicle bodies top are equipped with control stick, the control stick include fixed link and Telescopic rod, the fixed link intracavity bottom are equipped with spring storage groove, are welded with bullet between the spring storage groove and telescopic rod Spring, the spring storage trench bottom are welded with gag lever post, and the fixed link inner wall is provided with internal screw thread, and the telescopic rod outer wall is set It is equipped with external screw thread, the telescopic rod is screwed onto fixed link by the cooperation of external screw thread and internal screw thread, passes through telescopic rod, limit The cooperation in hole, external screw thread, spring, internal screw thread, gag lever post, fixed link, spring storage groove and nut realizes the length of control stick It adjusts, solves the problem of difference because of everyone height, control stick cannot be in best actuated position, make at operator In optimal operating position, fatigue is reduced.

Although above-mentioned technical proposal discloses a kind of station and drives formula electric pallet truck, but the carrier it is impossible to meet Narrow space operation, while structure is complicated, it is at high cost.

Utility model content

The utility model is both can be in narrow space in order to solve that existing electric pallet truck can not meet simultaneously Operation, and can be realized the problem of formula operation is driven at station, and one kind is provided station can be realized and drive formula operation, while can be improved driving Member's comfort, mitigates the fatigue of driver, improves operating efficiency, and can also meet can operate in narrow space, has logical With the electric pallet truck of property.

The utility model realizes that technical solution used by its technical purpose is: a kind of electric pallet truck, including drives Dynamic system, manipulation steering system, raising link assembly, bodywork system, hydraulic system and electrical system, the hydraulic system and Electrical system is separately positioned on inside bodywork system and connect with drive system, the lower end of the manipulation steering system and driving System or hydraulic system are fixedly connected, and the upper-end bent of the manipulation steering system extends in the top of bodywork system, described Raising link assembly along the direction of motion be arranged in bodywork system side and with bodywork system be rotatablely connected, the vehicle body system Another side to overturn of system is connected with a pedal assembly, and the pedal assembly includes wheel cover, pedal, pedal pad, gas spring and bullet Property element.The electric pallet truck, by the way that a pedal assembly is arranged on bodywork system, so that the electric pallet truck exists In use, when pedal assembly is unfolded, pedal and resilient element contacts at this time, meanwhile, gas spring to pedal have one make pedal to The thrust of upper overturning；Driver can stand to operating vehicle on pedal；When driver stands onto pedal, the weight of driver The thrust for making every effort to overcome convinced spring downwardly turns over pedal, and pedal makes elastic element compression a certain amount of, since elastic element has Elasticity can make pedal slight rotary oscillation up and down in vehicle travel process, play the role of bumper and absorbing shock, mitigate and drive Member's fatigue.The electric pallet truck provides a kind of comfortable mode of operation, and when handling work is heavy, unfolded is stepped on Plate, can station drive formula operation, and the pedal assembly have elasticity, can bumper and absorbing shock, greatly improve crew comfort, subtract Light fatigue, improves working efficiency；When driver needs to operate in narrow space, pedal need to only be folded and be packed up, realized Walk type operation.

Preferably, the wheel cover is fixedly connected with bodywork system, the pedal rotation is connected on wheel cover, described Pedal pad be fixed on pedal, described gas spring one end and wheel cover rotation connection the other end and pedal rotation connect, it is described Elastic element be fixed on the lower section on wheel cover and being supported on pedal.Pedal can be rotated relative to wheel cover, realized and folded Pack up or Unscrew, and the top of elastic element is arranged in pedal, when pedal is opened with resilient element contacts and be pressed downward Contracting elastic element can make pedal slight rotary oscillation up and down in vehicle travel process, play the role of bumper and absorbing shock, subtract Light driver fatigue.

Preferably, the gas spring includes connecting with the gas spring cylinder barrel of pedal rotation connection and with wheel cover rotation Air spring piston bar.Gas spring cylinder barrel and pedal rotation connect, and air spring piston bar and wheel cover rotation connect, and such structure makes It obtains gas spring and provides the power being flipped up to pedal always.

Preferably, the manipulation steering system includes control crank and connecting plate assembly, under the connecting plate assembly End is fixedly connected with drive system or hydraulic system, and the connecting plate assembly upper-end bent extends to the top of bodywork system, The control crank lower end is located at the top of bodywork system with the rotation connection of connecting plate assembly upper end and the swivel joint. The above structure for manipulating steering system when driver's left-right rotation manipulation handle, manipulates the connecting plate assembly of steering system It is able to drive drive system left-right rotation, realizes and turns to.

Preferably, bodywork system includes drive seat, vehicle frame and hood；Rotary hole, institute are provided in the drive seat The upper end for the drive system stated corresponds to rotary hole and is provided with shaft, and the shaft and rotary hole rotation connect.

Preferably, hydraulic system includes hydraulic power unit and lift oil tank；The cylinder barrel of the lift oil tank and work Stopper rod can be rotated mutually；The cylinder barrel lower end of the lift oil tank is fixedly connected with the upper end of drive system and cylinder barrel is with drive Dynamic system rotation；The piston rod upper end of the lift oil tank and the upper end of bodywork system rotate and connect.

Preferably, electrical system includes battery and Electronic Control Assembly.

The beneficial effects of the utility model are: the electric pallet truck, have the advantages that light-duty compared to original Electric pallet truck, the utility model provide a kind of comfortable mode of operation, and when handling work is heavy, unfolded is stepped on Plate, can station drive formula operation, and the pedal has elasticity, can bumper and absorbing shock, greatly improve crew comfort, mitigate tired Labor improves working efficiency；When driver needs to operate in narrow space, foldable pedal need to only be packed up, be equivalent to biography The walk type of system operates；Formula electrocar is driven compared to conventional station, there is great price advantage.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the utility model electric pallet truck；

Fig. 2 is the explosive view of the utility model electric pallet truck；

Fig. 3 is a kind of structural schematic diagram of the manipulation steering system in the utility model；

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

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

Fig. 6 is the A-A cross-sectional view of Fig. 5, pedal unfolded state；

Fig. 7 is the A-A cross-sectional view of Fig. 5, pedal collapsed state.

In figure: 1, drive system, 2, manipulation steering system, 3, raising link assembly, 4, pedal assembly, 5, drive seat, 6, Vehicle frame, 7, hood, 8, hydraulic power unit, 9, lift oil tank, 10, battery, 11, Electronic Control Assembly, 12, control crank, 13, connection Plate assembly, 14, wheel cover, 15, pedal, 16, pedal pad, 17, gas spring, 18, elastic element, 19, gas spring cylinder barrel, 20, gas bullet Spring piston rod, 21, shaft, 22, rotary hole, 23, raising bar assembly connection frame.

Specific embodiment

The technical solution of the utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.

Embodiment 1:

In Fig. 1, Fig. 2, Fig. 4, embodiment shown in fig. 5, a kind of electric pallet truck, including drive system 1, manipulation Steering system 2, raising link assembly 3, bodywork system, hydraulic system and electrical system, hydraulic system and electrical system are set respectively It sets inside bodywork system and is connect with drive system 1, lower end and the drive system 1 or hydraulic system for manipulating steering system 2 are solid The upper-end bent of fixed connection, manipulation steering system 2 extends in the top of bodywork system, and raising link assembly 3 is set along the direction of motion It sets the side in bodywork system and is rotatablely connected with bodywork system, another side to overturn of bodywork system is connected with a pedal assembly 4, The gas spring 17 and an elastic element 18 that an offer is flipped up always are provided in pedal assembly 4.

Pedal assembly 4 includes wheel cover 14, pedal 15 and pedal pad 16, and wheel cover 14 is fixedly connected with bodywork system, pedal 15 Rotation is connected on wheel cover 14, and pedal pad 16 is fixed on pedal 15,17 one end of gas spring and the rotation connection other end of wheel cover 14 It rotates and connects with pedal 15, elastic element 18 is fixed on wheel cover 14 and is supported on the lower section of pedal 15.Gas spring 17 it is upward Tilting force is greater than the self weight of pedal 14 and pedal pad 15.

Gas spring 17 includes the air spring piston with the gas spring cylinder barrel 19 of pedal rotation connection and with wheel cover rotation connection Bar 20.

Elastic element is polyurethane material component, and elastic element 18 is separately positioned on 17 two sides of gas spring.

Manipulation steering system 2 includes that control crank 12 and connecting plate assembly 13(are shown in Fig. 3), the lower end of connecting plate assembly 13 with Drive system 1 or hydraulic system are fixedly connected, and 13 upper-end bent of connecting plate assembly extends to the top of bodywork system, control crank 12 lower ends are located at the top of bodywork system with the rotation connection of 13 upper end of connecting plate assembly and the swivel joint.

Bodywork system includes drive seat 5, vehicle frame 6 and hood 7；Hydraulic system includes hydraulic power unit 8 and lift oil tank 9；Electrical system includes battery 10 and Electronic Control Assembly 11.

The upper end of drive system 1 is provided with shaft 21, and rotary hole 22, shaft 21 and rotary hole 22 are provided in drive seat 5 Rotation connection.

The cylinder barrel and piston rod of lift oil tank 9 can be rotated mutually；The cylinder barrel lower end of lift oil tank 9 is upper with drive system 1 End is fixedly connected and cylinder barrel is as drive system 1 rotates；The piston rod upper end of lift oil tank 9 and the upper end of vehicle frame 6 rotate and connect It connects；Hydraulic power unit 8 and Electronic Control Assembly 11 are fixed on the top mounting plane of vehicle frame 6 side by side；Battery 10 is fixed on vehicle frame 6 In cabinet；Hood 7 is fixedly mounted on the top of vehicle frame 6.

Raising bar assembly connection frame 23, the front end of raising link assembly 3 and the lower end of drive seat 5 are provided on vehicle frame 6 Rotation connection, the centre of raising link assembly 3 and the lower end of vehicle frame 6 rotate and connect, the nearly bearing wheels in the rear end of raising link assembly 3 Side and the free end of raising bar assembly connection frame 23, which rotate, to be connected.

The electric pallet truck, including drive system 1, manipulation steering system 2, raising link assembly 3, bodywork system, Pedal assembly 4, hydraulic system, electrical system.Bodywork system includes drive seat 5, vehicle frame 6, hood 7；Hydraulic system includes hydraulic Power unit 8, lift oil tank 9；Electrical system includes battery 10, Electronic Control Assembly 11.

1 upper end shaft 21 of drive system is rotated with the rotary hole 22 in drive seat 5 to be connected；The cylinder barrel lower end of lift oil tank 9 It is fixedly connected with the upper end shaft of drive system 1, cylinder barrel is rotated with drive system 1, and the cylinder barrel and piston rod of lift oil tank 9 can Mutually rotation, the piston rod upper end of lift oil tank 9 and the upper end of vehicle frame 6 rotate and connect.

The lower end of manipulation steering system 2 is fixedly connected with drive system 1 or lift oil tank 9, and upper-end bent extends to vehicle The top of 6 battery case of frame, i.e. 12 lower end of control crank and 13 upper end swivel joint of connecting plate assembly are located at 6 battery case of vehicle frame Top manipulates steering system 2 and can make drive system 1 and lift oil tank 9 in the rotary hole of drive seat 5 by swinging Heart rotation；The cylinder barrel and piston rod of lift oil tank 9 can be rotated mutually；The top installation that hydraulic power unit 8 is fixed on vehicle frame 6 is flat Face；Electronic Control Assembly 11 is fixed on the top mounting plane of vehicle frame 6；Battery 10 is fixed in the cabinet of vehicle frame 6；The fixed peace of hood 7 Mounted in the top of vehicle frame 6；The front end of raising link assembly 3 and the lower end of drive seat 5 rotate and connect, raising link assembly 3 The intermediate lower end with vehicle frame 6, which rotates, to be connected, and the rear end of the nearly bearing wheels side in the rear end of raising link assembly 3 and vehicle frame 6, which rotates, to be connected It connects.

Pedal assembly 4 is fixedly connected with drive seat 5.It manipulates steering system 2 and includes control crank 12, connecting plate assembly 13, 12 lower end of control crank and the rotation of 13 upper end of connecting plate assembly connect.

Pedal assembly 4 includes wheel cover 14, pedal 15, pedal pad 16, gas spring 17 and an elastic element 18；Pedal 15 and wheel 14 rotation connection of cover；Gas spring cylinder barrel and the rotation of pedal 15 connect, and air spring piston bar and the rotation of wheel cover 14 connect, and set through special Meter, gas spring provide the power being flipped up, the (see figure 7) when pedal 15 is turned to vertical state, gas to pedal 15 always Spring be capable of providing enough power overcome the self weight of pedal 15 make pedal 15 and pedal pad 16 will not automatic turning get off；Pedal pad 16 with 14 surface of pedal is fixedly connected；Elastic element is fixedly connected with wheel cover 14, and the (see figure 6) when pedal 15 is put down, pedal 15 is pressed in On elastic element, elastic element has elasticity, so that the pedal assembly 4 has the function of bumper and absorbing shock, the material of elastic element Material is polyurethane.

The electric pallet truck, working principle be: when operating the electric pallet truck, when pedal assembly 4 be unfolded, Pedal 15 and resilient element contacts at this time, meanwhile, gas spring has the thrust for being flipped up pedal 15 to pedal 15；It drives Member can stand to operating vehicle on pedal 15；When driver stands onto pedal 15, the gravity of driver overcomes gas spring Thrust downwardly turn over pedal 15, pedal 15 makes elastic element compression a certain amount of, can be with since elastic element has elasticity So that the slight rotary oscillation up and down in vehicle travel process of pedal 15, plays the role of bumper and absorbing shock, mitigate driver fatigue. When driver's left-right rotation manipulation handle 12, the connecting plate assembly 13 of manipulation steering system 2 drives drive system 1 or so Rotation is realized and is turned to.

The range of the requires of the utility model protection is not limited to embodiments described herein, all to be based on the present utility model application Various forms of transformation and replacement made by the scope of the patents and description all belong to the range that the utility model patent covers.

Claims (7)

1. a kind of electric pallet truck, including drive system (1), manipulation steering system (2), raising link assembly (3), vehicle body System, hydraulic system and electrical system, it is characterised in that: the hydraulic system and electrical system is separately positioned on bodywork system Inside is simultaneously connect with drive system (1), and the lower end and drive system (1) of the manipulation steering system (2) or hydraulic system are solid Fixed connection, the upper-end bent of the manipulation steering system (2) extend in the top of bodywork system, the raising link assembly (3) side of bodywork system is set along the direction of motion and is rotatablely connected with bodywork system, the other side of the bodywork system Overturning is connected with a pedal assembly (4), and the pedal assembly (4) includes wheel cover (14), pedal (15), pedal pad (16), gas Spring (17) and elastic element (18).

2. a kind of electric pallet truck according to claim 1, it is characterised in that: the wheel cover (14) and vehicle body system System is fixedly connected, and the pedal (15) rotation is connected on wheel cover (14), and the pedal pad (16) is fixed on pedal (15) On, the gas spring (17) one end and wheel cover (14) rotation connection other end and pedal (15) rotation connect, the elasticity Element (18) is fixed on wheel cover (14) and is supported on the lower section of pedal (15).

3. a kind of electric pallet truck according to claim 1, it is characterised in that: the gas spring (17) include with The gas spring cylinder barrel (19) of pedal rotation connection and the air spring piston bar (20) connected with wheel cover rotation.

4. a kind of electric pallet truck according to claim 1, it is characterised in that: manipulation steering system (2) packet Include control crank (12) and connecting plate assembly (13), the lower end of the connecting plate assembly (13) and drive system (1) or hydraulic pressure system System is fixedly connected, and described connecting plate assembly (13) upper-end bent extends to the top of bodywork system, the control crank (12) lower end is located at the top of bodywork system with the rotation connection of connecting plate assembly (13) upper end and the swivel joint.

5. a kind of electric pallet truck according to claim 1 or 2 or 3 or 4, it is characterised in that: bodywork system includes Drive seat (5), vehicle frame (6) and hood (7)；Rotary hole (22), the drive system are provided in the drive seat (5) (1) upper end corresponds to rotary hole (22) and is provided with shaft (21), and the shaft (21) and rotary hole (22) rotation connect.

6. a kind of electric pallet truck according to claim 1 or 2 or 3 or 4, it is characterised in that: hydraulic system includes Hydraulic power unit (8) and lift oil tank (9)；The cylinder barrel and piston rod of the lift oil tank (9) can be rotated mutually；Described The cylinder barrel lower end of lift oil tank (9) is fixedly connected with the upper end of drive system (1) and cylinder barrel is as drive system rotates；It is described Lift oil tank (9) piston rod upper end and bodywork system upper end rotate connect.

7. a kind of electric pallet truck according to claim 1 or 2 or 3 or 4, it is characterised in that: electrical system includes Battery (10) and Electronic Control Assembly (11).