CN107311078B

CN107311078B - Weighting distribution wheel

Info

Publication number: CN107311078B
Application number: CN201710754358.7A
Authority: CN
Inventors: 胡振强
Original assignee: Jiangsu Si Da Heavy Industry Co Ltd
Current assignee: Jiangsu Si Da heavy industry Co., Ltd
Priority date: 2015-10-16
Filing date: 2015-10-16
Publication date: 2019-05-10
Anticipated expiration: 2035-10-16
Also published as: CN105600706A; CN107311078A; CN105600706B

Abstract

The present invention relates to a kind of weighting distribution wheel, the weighting distribution wheel is mounted on the rear of car body；The weighting distribution wheel includes that can be equipped with tire in the outer cover of the wheel rim around the wheel rim that wheel shaft is freely rotated；Suction cup assembly is equidistantly installed in the circumferential direction of the tire, the disk of each Suction cup assembly is outside, and the neck of each Suction cup assembly extends along the radial of wheel rim to wheel shaft；The gas port with the neck location face is equidistantly offered on the wheel rim；Aspiration pump is also equipped in the inside of the wheel rim；The pumping end of the aspiration pump is straight down and the inner wall of the airtight abutting wheel rim；The wheel rim can be freely rotated relative to the aspiration pump；The fork truck sole mass is lighter, can sensitively turn to, shift, effectively improve handling efficiency；The fork truck runs smoothly, is safe simultaneously.

Description

Weighting distribution wheel

The application is that application No. is the divisional applications of 201510665819.4 entitled negative pressure fork trucks.

Technical field

The present invention relates to a kind of transport motor cars, are a kind of fork trucks particularly.

Background technique

Fork truck refer to pallet cargo is loaded and unloaded, stacking and short distance transportation, the wheeled of weight transport operation are removed Vehicle is transported, it is widely used in station, harbour, airport, factory, warehouse Deng Ge sector of the national economy, is mechanized handling, stacking With the high-efficiency appliance of short distance transportation；Existing fork lift truck structure is mostly that anterior device has prong, and middle part is cockpit, tail portion installation There is balance weight, car body own wt is larger, expends the larger energy, while biggish inertia potential energy shadow in traveling, transportational process Ring flexible deflecting, the adjustment position of car body；Since handling process needs multi-angle, frequently turns direction, fork truck vehicle Smaller, therefore the weight of balance weight is also limited, the goods weight that then fork truck single can be carried is limited；In addition, For traditional fork truck when carrying the cargo of limit weight, body gravity is facing forward, and cargo landing, car body are easy to happen when road jolts The security risks such as lean forward.

Summary of the invention

In view of the above-mentioned problems, the present invention provides a kind of negative pressure fork truck, the fork truck sole mass is lighter, can sensitively turn To, displacement, effectively improve handling efficiency；The fork truck runs smoothly, is safe simultaneously.

To solve the above problems, the technical scheme adopted by the invention is that: this negative pressure fork truck includes car body, prong, drive Driving wheel and weighting distribution wheel；The prong device is mounted on the rear of car body in the front end of the car body, the weighting distribution wheel；The counterweight Wheel includes that can be equipped with tire in the outer cover of the wheel rim around the wheel rim that wheel shaft is freely rotated；In the circumferential direction of the tire Suction cup assembly is mounted equidistant, the disk of each Suction cup assembly is outside, the radial direction of the neck of each Suction cup assembly along wheel rim Extend to wheel shaft；The gas port with the neck location face is equidistantly offered on the wheel rim；In the inside of the wheel rim It is also equipped with aspiration pump；The pumping end of the aspiration pump is straight down and the inner wall of the airtight abutting wheel rim；The wheel rim It can be freely rotated relative to the aspiration pump.

The beneficial effects of the present invention are: the car body weight of this negative pressure fork truck is very light, only since car body does not have clump weight A small amount of energy, which need to be consumed, can be driven traveling, simultaneously because lighter weight, the inertia potential energy very little of car body, car body can be flexible Steering, movement, facilitate cargo stacking, arrange；When transporting goods, cargo is fixed using prong, while described in starting Aspiration pump；Under the action of car body own wt and goods weight, compressional deformation occurs for the tire of weighting distribution wheel, tire lower surface Suction cup assembly is firmly adsorbed on bottom plate；Meanwhile air is quickly sucked out from pumping end for aspiration pump, since pumping end is airtight Wheel rim is connected, therefore the air in the extruded Suction cup assembly in tire lower surface is sucked out, then the Suction cup assembly at this is in Negative pressure state, under the action of biggish draught head, the Suction cup assembly of tire lower surface firmly adsorbs ground, effectively prevent vehicle Bench over；Under the drive of driving wheel, the negative pressure fork truck can complete traveling, retrogressing and go to action；In fork truck movement In the process, the wheel rim and tire and ground remain that rolling friction, the inner surface holding of the pumping end and wheel rim are slided Friction；Therefore, tire is during rolling, the Suction cup assembly alternating sorbent of lower surface, and can maintain certain negative pressure always Absorption ground.

The power of aspiration pump need to be only adjusted when carrying the cargo of different weight to select suitable negative pressure that can balance goods The weight of object；Due to the present invention flatness that place needs to have certain when in use, this fork truck is more suitably applied to cold The place of the spaces such as library, modern plant cleanliness height, Land leveling.

Present invention improves over the balance block structures in conventional forklift, use negative pressure system instead, are effectively reduced car body weight, from And energy consumption is reduced, while applicable weight range is increased, efficiently solving conventional forklift balance weight quality, there are the upper limits The problem of.

Preferably, the exhaust end of the aspiration pump is straight up and the inner wall of the airtight abutting wheel rim；Exhaust end The gas of discharge can blow off the impurity for being stuck in Suction cup assembly neck, play cleaning action to Suction cup assembly.

As further preferred, the position of the exhaust end described in the car body face offers exhaust outlet；In order to make band There is the gas of impurity to be discharged in time.

As further preferred, dust removal filter is installed in the exhaust outlet；In order to which the gas of impurity will be had Filtering, cleaning, are effectively ensured the cleanliness in place.

Preferably, the pumping end is made by hard foam；In order to obstruct bulky grain sundries, it effectively prevent Bulky grain sundries enters and damages aspiration pump；The air-tightness between pumping end and wheel rim is improved simultaneously.

Preferably, the wheel rim is made by hard permeability magnetic material, the soft magnetic of matter is installed at the edge at the pumping end Circle；In order to making to be evacuated the compact fitting wheel rim in end, it effectively prevent the phenomenon that leaks air when opposite with the wheel rim sliding in pumping end.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of this negative pressure fork truck one embodiment.

Specific embodiment

Embodiment

In the embodiment shown in fig. 1, this negative pressure fork truck includes car body 1, prong 2, driving wheel 3 and weighting distribution wheel 4；It is described 2 device of prong is mounted on the rear of car body 1 in the front end of the car body 1, the weighting distribution wheel 4；The weighting distribution wheel 4 includes can be around The wheel rim 5 that wheel shaft is freely rotated, the wheel rim 5 are made by hard permeability magnetic material；Tire 6 is equipped in the outer cover of the wheel rim 5； Suction cup assembly 61 is equidistantly installed in the circumferential direction of the tire 6, the disk of each Suction cup assembly 61 is outside, each sucker The neck of component 61 extends along the radial of wheel rim 5 to wheel shaft；It is equidistantly offered on the wheel rim 5 and the neck location face Gas port；Aspiration pump 7 is also equipped in the inside of the wheel rim 5；The pumping end 71 of the aspiration pump 7 is straight down and airtight The abutting wheel rim 5 inner wall, the pumping end 71 is made by hard foam, the edge installation at the pumping end 71 There is the magnetosphere that matter is soft；The exhaust end 72 of the aspiration pump 7 is straight up and the inner wall of the airtight abutting wheel rim 5；Described The position of exhaust end 72 described in 1 face of car body offers exhaust outlet 11, is equipped with dust removal filter 12 in the exhaust outlet 11； The wheel rim 5 can be freely rotated relative to the aspiration pump 7.

Since car body 1 does not have clump weight, 1 very light in weight of car body of this negative pressure fork truck, it is only necessary to consume a small amount of energy Traveling can be driven, simultaneously because lighter weight, the inertia potential energy very little of car body 1, car body 1 can be turned to flexibly, be moved, side Just the stacking, arrangement of cargo；When transporting goods, cargo is fixed using prong 2, while starting the aspiration pump 7；In car body Under the action of 1 own wt and goods weight, compressional deformation, the Suction cup assembly of 6 lower surface of tire occur for the tire 6 of weighting distribution wheel 4 61 are firmly adsorbed on bottom plate；Meanwhile air is quickly sucked out from pumping end 71 for aspiration pump 7, since pumping end 71 is airtight Wheel rim 5 is connected, therefore the air in the extruded Suction cup assembly 61 in 6 lower surface of tire is sucked out, then the Suction cup assembly at this 61 are in negative pressure state, and under the action of biggish draught head, the Suction cup assembly 61 of 6 lower surface of tire firmly adsorbs ground, It effectively prevent car body 1 to lean forward；In the present embodiment, the hard foam for being evacuated end 71 can effectively hinder bulky grain sundries Gear, to prevent sundries from entering inside aspiration pump 7；It is evacuated the actuation wheel rim 5 that the magnetosphere at end 71 can be compact simultaneously, further Improve the air-tightness at pumping end 71 and wheel rim 5.

Under the drive of driving wheel 3, the negative pressure fork truck can complete traveling, retrogressing and go to action；It is moved in fork truck During, the wheel rim 5 and tire 6 and ground remain rolling friction, the inner surface guarantor at the pumping end 71 and wheel rim 5 Hold sliding friction；Therefore, tire 6 is during rolling, 61 alternating sorbent of Suction cup assembly of lower surface, and can maintain always The absorption ground of certain negative pressure；The gas being discharged from aspiration pump 7 leaves along exhaust end 72, and the air-flow of high speed can will be with exhaust end The Suction cup assembly 61 of 72 faces cleans, i.e., the impurity blocked in Suction cup assembly 61 blows off, while doing to Suction cup assembly 61 It is dry, to extend the service life of Suction cup assembly 61；Gas with impurity is discharged after being purified by dust removal filter 12.

The power of aspiration pump 7 need to be only adjusted when carrying the cargo of different weight to select suitable negative pressure that can balance goods The weight of object；Due to the present invention flatness that place needs to have certain when in use, this fork truck is more suitably applied to cold The place of the spaces such as library, modern plant cleanliness height, Land leveling.

Present invention improves over the balance block structures in conventional forklift, use negative pressure system instead, are effectively reduced 1 weight of car body, To reduce energy consumption, while applicable weight range is increased, and efficiently solving conventional forklift balance weight quality, there are upper The problem of limit.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of weighting distribution wheel is used for fork truck, it is characterised in that: the weighting distribution wheel (4) is mounted on the rear of car body (1)；It is described Weighting distribution wheel (4) includes that can be equipped with tire (6) in the outer cover of the wheel rim (5) around the wheel rim (5) that wheel shaft is freely rotated；? It is equidistantly equipped with Suction cup assembly (61) in the circumferential direction of the tire (6), the disk of each Suction cup assembly (61) is outside, each institute The neck for stating Suction cup assembly (61) extends along the radial of wheel rim (5) to wheel shaft；Equidistantly offered on the wheel rim (5) with it is described The gas port of neck location face；Aspiration pump (7) are also equipped in the inside of the wheel rim (5)；The pumping of the aspiration pump (7) Hold (71) straight down and the inner wall of the airtight abutting wheel rim (5)；The wheel rim (5) can be relative to the aspiration pump (7) It is freely rotated.

2. weighting distribution wheel according to claim 1, it is characterised in that: the exhaust end (72) of the aspiration pump (7) is straight up And the inner wall of the airtight abutting wheel rim (5).

3. weighting distribution wheel according to claim 2, it is characterised in that: the exhaust end (72) described in the car body (1) face Position offers exhaust outlet (11).

4. weighting distribution wheel according to claim 3, it is characterised in that: be equipped with dust removal filter in the exhaust outlet (11) (12)。

5. weighting distribution wheel according to claim 1, it is characterised in that: the pumping end (71) is made by hard foam.

6. weighting distribution wheel according to claim 1, it is characterised in that: the wheel rim (5) is made by hard permeability magnetic material, in institute The edge for stating pumping end (71) is equipped with the soft magnetosphere of matter.