CN209411705U - A kind of rotation driving structure of fork truck - Google Patents

Abstract

A kind of rotation driving structure of fork truck, including pedestal, seat, rotating bottom board and steering assembly, the seat and steering assembly are installed on rotating bottom board, which is equipped with swivel becket, it is characterised in that: further includes power mechanism and inner ring；Inner ring is fixed on pedestal, and its inside is equipped with internal tooth, and outside is slidably matched with swivel becket；The power mechanism is installed on rotating bottom board, and transmission gear and the internal tooth drive cooperation of power mechanism are rotated with controlling rotating bottom board so that seat switches between at least two angles.It needs to alleviate the operation fatigue of driver in the special operation conditions such as retrogressing for a long time, avoid the injury of the vertebra of driver, while accident odds can be reduced in fork truck.

Description

A kind of rotation driving structure of fork truck

Technical field

The utility model relates to fork truck field, the rotation of especially a kind of fork truck drives structure.

Background technique

Existing fork truck design, seat are used towards the fixed of front, so, in rearward vision and functions of seat There is certain limitation.When forklift reversing, driver can only later be looked behind, and driver turns round the limited angle on head, even if Cooperate rotation body again, however it remains visual field blind spot, and it is easier fatigue.

Therefore, occur in the market, the seat of 10 ° and 18 ° of rotation, small fork truck has the seat being rotated by 90 °, and heavy forklift has The seat of 180 ° of rotation is provided, however, it is desirable to two sets of gas pedal and brake pedal are installed in the front and back of seat, this Two sets of gas pedals and brake pedal be it is fixed, increase cost.

Utility model content

The main purpose of the utility model is to overcome drawbacks described above in the prior art, propose only to need a set of manipulation group The rotation of fork truck of part, rotatable multiple angles drives structure, and structure is simple, rationally distributed.

The utility model adopts the following technical solution:

A kind of rotation driving structure of fork truck, including pedestal, seat, rotating bottom board and steering assembly, the seat and manipulation Component is installed on rotating bottom board, the rotating bottom board, it is characterised in that: further includes power mechanism and Slewing Support Mechanism；This time Turn supporting device equipped with inner ring and swivel becket, which is fixed on pedestal, and its inside is equipped with internal tooth, and outside and swivel becket are sliding Dynamic cooperation；The power mechanism is installed on rotating bottom board, and the transmission gear and internal tooth drive of power mechanism cooperate to control rotation Bottom plate rotates so that seat switches between at least two angles.

Preferably, the steering assembly includes pedal group, diverter, operation handle and electrical proportional brake valve.

Preferably, the inner ring bottom outside is equipped with the first sealing ring, which is located at the swivel becket bottom； The swivel becket inside top is correspondingly provided with the second sealing ring, which is located at the top of the inner ring.

It preferably, further include angled testing agency, which is connected to the rotating bottom board and the bottom Between seat.

Preferably, the angle detection mechanism includes angular transducer, connecting rod and limit base；The limit base and the pedestal It is fixedly connected；The connecting rod one end is fixedly connected with the rotating bottom board, and the other end is connected with shaft, which rotationally wears In in limit base；The angular transducer is connected with shaft, and signal output end is connected with the power mechanism.

Preferably, the power mechanism includes motor, controller and retarder, which is connected to the motor；The deceleration Device is connected with motor output shaft and is equipped with transmission gear, and the transmission gear and the internal tooth drive cooperate.

It preferably, further include having button group, which is connected with the controller.

From the above description of the utility model, it can be seen, compared with prior art, the utility model has following beneficial to effect Fruit:

1, the utility model structure, rotating bottom board and pedestal are rotatably cooperation, so that seat and steering assembly Switch between at least two angles, is needed in the special operation conditions such as retrogressing for a long time in fork truck, the operation that can alleviate driver is tired Labor avoids the injury of the vertebra of driver, while can reduce accident odds.

2, the structure of the utility model, compact overall structure and only needs a set of brake pedal and gas pedal, at low cost.

3, the structure of the utility model uses electric drive control to cooperate with angle detection mechanism, and rotation angle can pass through Controller is set, and seat is allowed to rotate to any position, for example including 0 °, 90 ° or 180 °.

4, the structure of the utility model is provided with button group, and some special combinations of the button stepped on by two feet are grasped Make to issue the instruction of rotation, the operating interval of two buttons can be set, maximum 500ms, to prevent from unexpectedly activating, use This mode controls safer reliable, is easy to remember.

5, the structure of the utility model is provided with mounting hole in the middle part of pedestal and rotating bottom board, facilitates cable and oil pipe Reasonable benefit/risk arrangement.

Detailed description of the invention

Fig. 1 is the utility model main component structure chart；

Fig. 2 is the exploded view of pedestal and rotating bottom board；

Fig. 3 is the cross-sectional view of Fig. 1；

Fig. 4 is the partial enlarged view of Fig. 3；

Fig. 5 is the utility model state diagram (seat is located at 0 °)；

Fig. 6 is the utility model state diagram (seat is located at 90 °)；

Fig. 7 is the utility model state diagram (seat is located at 180 °)；

Wherein: 10, pedestal, 20, seat, 30, rotating bottom board, 31, swivel becket, the 32, second sealing ring, 41, pedal group, 42, operation handle, 50, power mechanism, 51, motor, 52, controller, 53, retarder, 54, transmission gear, 55, button group, 60, Inner ring, 61, internal tooth, the 62, first sealing ring, 71, connecting rod, 72, limit base, 73, angular transducer.

Specific embodiment

Below by way of specific embodiment, the utility model will be further described.

Referring to figs. 1 to Fig. 4, a kind of rotation driving structure of fork truck, including pedestal 10, seat 20, rotating bottom board 30, manipulation Component, power mechanism 50 and Slewing Support Mechanism etc..The pedestal 10 is located at bottom in forklift steering room.The rotating bottom board 30 Above pedestal 10, which is fixed on rotating bottom board 30, and the pedestal 10, rotating bottom board 30 are opened up close to 20 position of seat There is the mounting hole of perforation.The seat 20 is arranged to tilt backwards, and is convenient for maintenance and repair.

The Slewing Support Mechanism is equipped with structures, the rolling elements such as inner ring 60, swivel becket 31, rolling element, sealing ring, oil circuit and is located at Between inner ring 60 and swivel becket 31.Its entirety can bear axial force, radial force, tilting moment etc. simultaneously, and function realizes knot Structure is not unique.

Swivel becket 31 is installed, which is fixed by bolts in rotating bottom board at the mounting hole of the rotating bottom board 30 30 bottom surfaces.The inner ring 60 is fixed at the mounting hole of pedestal 10, is fixed by bolts in 10 top surface of pedestal, 60 inside of inner ring Equipped with internal tooth 61, outside on the inside of swivel becket 31 to be slidably matched.

In addition, being equipped with the first sealing ring 62 in 60 bottom outside of inner ring, which is located at 31 bottom of swivel becket, 31 inside top of swivel becket is correspondingly provided with the second sealing ring 32, which is located at 60 top of inner ring.It is close by first Sealing and proofing dust and protecting to Slewing Support Mechanism internal-internal lubricating grease are realized in the cooperation of seal ring 62 and the second sealing ring 32.

Power mechanism 50 is fixed on rotating bottom board comprising motor 51, controller 52 and retarder 53 etc..The controller 52 are connected with motor 51 works for controlling motor 51, rotation and deceleration including motor 51 etc..The retarder 53 and motor 51 Output shaft is connected and is equipped with transmission gear 54, and the transmission of internal tooth 61 of the transmission gear 54 and inner ring 60 cooperates.Controller 52 controls Motor 51 works, and under the engagement of transmission gear 54 and internal tooth 61, rotating bottom board 30 rotates so that seat 20 is at least two Switch between a angle, which can be set by controller 52, including 0 °, 90 °, 180 ° etc..

The steering assembly of the utility model includes pedal group 41, diverter, operation handle 42 and electrical proportional brake valve etc. Component.The pedal group 41 is installed on 30 top surface of rotating bottom board, includes brake pedal and gas pedal.Pedal group 41 and operation Handle 42 is respectively positioned on 20 front of seat, which is installed in operation handle 42, which is installed on rotation 30 bottom surface of bottom plate.When rotating bottom board 30 rotates, steering assembly also rotates, i.e., the relative position with seat 20 remains unchanged.

It further include angled testing agency, which is connected between rotating bottom board 30 and pedestal 10, is used for It detects rotating bottom board 30 and rotates angle relative to pedestal 10 comprising angular transducer 73, connecting rod 71 and limit base 72.The limit base 72 are fixedly connected with pedestal 10, are located at 10 lower section of pedestal.The connecting rod 71 is L-type, and one end passes through fixed plate and rotating bottom board 30 It is fixedly connected, the other end is connected with shaft, which is rotatably penetrated and arranged in limit base 72.The angular transducer 73 is installed on Between pedestal 10 and shaft, and its signal output end is connected with controller 52, and the rotation by detecting connecting rod 71 is revolved in real time Gyration information, and it is sent to controller 52.

Further, the utility model is additionally provided with 55 He of button group, which is connected with controller 52, for issuing Control command is installed on rotating bottom board and between seat 20 and pedal group 41.The button group 55 of the utility model can It is provided at least one button, may also set up two or three, with two buttons, rotary angle controllable is that quantity is 3 For (0 °, 90 °, 180 °), including the first button, the second button, some special combination operations of button stepped on by two feet To issue the instruction of rotation.

The first button is first slammed, then steps on the second button, controls seat 20 from 0 ° to 90 ° or 90 ° to 180 ° of left-hand rotation.Seat 20 positions 180 ° or when 90 °, first slam the second button, then slam the first button, seat 20 returns to right-hand rotation 0 ° of position, referring to Fig. 5 to Fig. 7.90 ° are turned right to from 180 ° to be set as not being allowed to.

Do not allow to rotate during forklift-walking, it is necessary to which just rotation is just effective when stopping.During rotation, Electrical proportional brake valve automatically keeps brake.The operating interval of two buttons can be set, maximum 500ms, unexpected to prevent Activation.If either button is released in rotation engineering, rotation stops, it is necessary to the push-botton operation sequence before repeating, rotation Just it will continue to.

It on the seat can be by being rotated in 0 ° due to sitting, 90 °, 180 ° of three positions manipulate fork truck, such as fork truck needs to grow In the special operation conditions such as time retrogressing, the operation fatigue of driver can be alleviated, avoid the injury of the vertebra of driver, while can subtract Few accident odds；Furthermore operator can in the case where no scene ssupervisor assists commander, through rotary seat, One people of operator can safety mobile large volume cargo.

The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model For.

Claims (7)

1. a kind of rotation of fork truck drives structure, including pedestal, seat, rotating bottom board and steering assembly, the seat and manipulation group Part is installed on rotating bottom board, the rotating bottom board, it is characterised in that: further includes power mechanism and Slewing Support Mechanism；The revolution Supporting device is equipped with inner ring and swivel becket, which is fixed on pedestal, and its inside is equipped with internal tooth, and outside and swivel becket slide Cooperation；The power mechanism is installed on rotating bottom board, and the transmission gear and internal tooth drive of power mechanism cooperate to control rotation bottom Plate rotates so that seat switches between at least two angles.

2. a kind of rotation of fork truck as described in claim 1 drives structure, it is characterised in that: the steering assembly includes pedal Group, diverter, operation handle and electrical proportional brake valve.

3. a kind of rotation of fork truck as described in claim 1 drives structure, it is characterised in that: the inner ring bottom outside is equipped with First sealing ring, first sealing ring are located at the swivel becket bottom；The swivel becket inside top is correspondingly provided with the second sealing Ring, second sealing ring are located at the top of the inner ring.

4. a kind of rotation of fork truck as described in claim 1 drives structure, it is characterised in that: further include angled detection machine Structure, the angle detection mechanism are connected between the rotating bottom board and the pedestal.

5. a kind of rotation of fork truck as claimed in claim 4 drives structure, it is characterised in that: the angle detection mechanism includes Angular transducer, connecting rod and limit base；The limit base is fixedly connected with the base；The connecting rod one end and the rotating bottom board are solid Fixed connection, the other end are connected with shaft, which is rotatably penetrated and arranged in limit base；The angular transducer is connected with shaft, Its signal output end is connected with the power mechanism.

6. a kind of rotation of fork truck as described in claim 1 drives structure, it is characterised in that: the power mechanism includes electricity Machine, controller and retarder, the controller are connected to the motor；The retarder is connected with motor output shaft and is equipped with transmission gear, The transmission gear and the internal tooth drive cooperate.

7. a kind of rotation of fork truck as claimed in claim 6 drives structure, it is characterised in that: further include having button group, this is pressed Button group is connected with the controller.