CN213651757U

CN213651757U - Drive assembly of counter-weight forklift

Info

Publication number: CN213651757U
Application number: CN202021514114.5U
Authority: CN
Inventors: 张建; 林有望; 郑继伟
Original assignee: Zhejiang Kaixun Mechanical And Electrical Co ltd
Current assignee: Zhejiang Kaixun Mechanical And Electrical Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-07-09
Anticipated expiration: 2030-07-28

Abstract

A drive assembly of a balance weight type forklift comprises a frame, wherein an upper cross beam and a lower cross beam are arranged on the frame, two guide pillars are arranged between the upper cross beam and the lower cross beam, a drive bottom plate and an adjusting plate are arranged on the two guide pillars, the adjusting plate is positioned on the upper side of the drive bottom plate, springs with two ends respectively abutted to the adjusting plate and the drive bottom plate are sleeved between the adjusting plate and the drive bottom plate through the two guide pillars, an adjusting bolt with an end abutted to the upper surface of the adjusting plate is arranged on the upper cross beam, a drive shaft sleeve is arranged on the drive bottom plate, a drive bearing block is arranged in the drive shaft sleeve and abutted to the lower surface of the drive shaft sleeve, and a drive wheel, a drive motor and a brake are arranged at; the utility model has the advantages of simple structure, reasonable in design, can adjust the friction force on drive wheel and ground, effectively avoid the drive wheel to skid or the condition of control takes place.

Description

Drive assembly of counter-weight forklift

Technical Field

The utility model relates to a counter weight formula fork truck, in particular to counter weight formula fork truck's drive assembly.

Background

The forklift is an industrial carrying vehicle, which refers to various wheeled carrying vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, is called as an industrial vehicle by international organization for standardization, is commonly used for transporting large-sized stored objects, is usually driven by an oil-fired machine or a battery, has technical parameters for indicating the structural characteristics and the working performance of the forklift, and has the following main technical parameters: rated load lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum running speed, minimum turning radius, minimum ground clearance, wheelbase and the like.

In the operation process of the forklift, the forklift is driven and steered by the driving wheel arranged between the rear wheels of the forklift, when the friction force between the driving wheel and the ground is too large, energy loss is easily caused, when the friction force between the driving wheel and the ground is too small, the driving wheel is easy to slip, the loss between the rear wheels of the forklift and the driving wheel is increased, and when the forklift works on some uneven roads, the driving wheel is easy to slip and even idle.

Disclosure of Invention

An object of the utility model is to solve the not enough of prior art, the utility model provides a simple structure, reasonable in design, can adjust the friction force on drive wheel and ground, effectively avoid the drive wheel to skid or the drive assembly of the counter-weight formula fork truck that the condition of control takes place.

The utility model provides a technical scheme that its technical problem adopted is: a drive assembly of a balance weight type forklift comprises a frame, wherein an upper cross beam and a lower cross beam are arranged on the frame, two guide pillars are arranged between the upper cross beam and the lower cross beam, a drive bottom plate and an adjusting plate are arranged on the two guide pillars, the adjusting plate is positioned on the upper side of the drive bottom plate, springs with two ends respectively abutted to the adjusting plate and the drive bottom plate are sleeved between the adjusting plate and the drive bottom plate through the two guide pillars, an adjusting bolt with an end abutted to the upper surface of the adjusting plate is arranged on the upper cross beam, a drive shaft sleeve is arranged on the drive bottom plate, a drive bearing block is arranged in the drive shaft sleeve and abutted to the lower surface of the drive shaft sleeve, and a drive wheel, a drive motor and a brake are arranged at; the position of the adjusting plate on the guide post can be adjusted through the adjusting bolt to change the pressure of the spring on the driving bottom plate, so that the friction force between the driving wheel and the ground is changed; the driving bottom plate is arranged on the guide pillar, the driving shaft sleeve is arranged on the driving bottom plate, the driving bearing seat is arranged in the driving shaft sleeve, and the driving bearing seat is abutted to the lower surface of the driving shaft sleeve to form a suspension shock absorption device for the driving wheel, so that the driving wheel can stably run on a hollow road section.

Preferably, a guide support is arranged on one side, away from the guide post, of the driving bottom plate, a guide rail perpendicular to the driving bottom plate is arranged on one side, facing the guide post, of the guide support, a roller support perpendicular to the guide rail is arranged on the frame, and a roller abutting against the inside of the guide rail is arranged at the end of the roller support.

Preferably, the guide supports are two groups, the two groups of guide supports are respectively arranged at two ends of one side, away from the guide pillar, of the driving bottom plate, and the roller supports and the rollers are respectively two groups and are respectively arranged corresponding to the two groups of guide supports.

Preferably, a steering shaft is arranged in the drive bearing seat, a steering shaft sleeve and a hollow shaft sleeve are sequentially sleeved on the upper side of the drive bearing seat, the steering shaft sleeve is connected with the top of the drive bearing seat through a bolt, the steering shaft sleeve is connected with the hollow shaft sleeve through a bolt, and a lower steering plate is fixed at the top of the hollow shaft sleeve.

Preferably, the outer ring of the lower end of the hollow shaft sleeve is provided with a steering block, the upper surface of the driving shaft sleeve is provided with a limiting block relative to two sides of the steering shaft, and the two limiting blocks are used for limiting the rotation angle of the steering block so as to limit the steering of the driving wheel.

Preferably, the upper surface of the upper cross beam is provided with a chain wheel shaft fixing plate, the chain wheel shaft fixing plate is provided with a chain wheel shaft sleeve, the chain wheel shaft is arranged in the chain wheel shaft sleeve and provided with a bearing between the chain wheel shaft and the chain wheel shaft sleeve, the chain wheel shaft is provided with a chain wheel used for controlling the steering of the driving wheel, and the chain wheel is connected with the lower steering plate through a pin shaft.

Preferably, the top ends of the driving bearing seat and the driving shaft sleeve are provided with deep groove ball bearings, a tapered roller bearing is arranged between the bottom of the driving bearing seat and the bottom of the driving shaft sleeve, and the bottom of the driving shaft sleeve is abutted to the driving bearing seat through the tapered roller bearing.

The utility model has the advantages of simple structure, reasonable in design, can adjust the friction force on drive wheel and ground, effectively avoid the drive wheel to skid or the condition of control takes place.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the invention;

fig. 3 is a cross-sectional view a-a of fig. 2 in accordance with the present invention;

fig. 4 is an enlarged view of fig. 3 according to the present invention.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 to 4, the drive assembly of the counter weight forklift includes a frame 1, an upper beam 11 and a lower beam 12 are provided on the frame 1, two guide posts 15 are provided between the upper beam 11 and the lower beam 12, a drive bottom plate 16 and an adjustment plate 24 are provided on the two guide posts 15, the adjustment plate 24 is located on the upper side of the drive bottom plate 16, a spring 25 having two ends respectively abutting against the adjustment plate 24 and the drive bottom plate 16 is sleeved between the adjustment plate 24 and the drive bottom plate 16 of the two guide posts 15, an adjustment bolt 26 having an end abutting against the upper surface of the adjustment plate 24 is provided on the upper beam 11, a drive shaft sleeve 32 is provided on the drive bottom plate 16, a drive bearing seat 20 is provided in the drive shaft sleeve 32, a deep groove ball bearing 33 is provided at the top end of the drive bearing seat 20 and the drive shaft sleeve 32, a tapered roller bearing 34 is provided between the drive bearing seat 20 and, the bottom of the driving shaft sleeve 32 is abutted against the driving bearing seat 20 through a tapered roller bearing 34, and the driving wheel 21, the driving motor 22 and the brake 23 are arranged at the bottom of the driving bearing seat 20.

The position of the adjusting plate 24 on the guide post 15 can be adjusted through the adjusting bolt 26 to change the pressure of the spring 25 on the driving bottom plate 16, so as to change the friction force between the driving wheel 21 and the ground; the driving base plate 16 is arranged on the guide post 15, the driving shaft sleeve 32 is arranged on the driving base plate 16, the driving bearing seat 20 is arranged in the driving shaft sleeve 32, and the driving bearing seat 20 is abutted to the lower surface of the driving shaft sleeve 32 to form a suspension shock absorption device of the driving wheel 21, so that the driving wheel 21 can stably run on a hollow road section.

The side, far away from the guide post 15, of the driving bottom plate 16 is provided with two guide supports 37, one side, facing the guide post 15, of each guide support 37 is provided with a guide rail 38 perpendicular to the driving bottom plate 16, the frame 1 is provided with a roller support 39 perpendicular to the guide rail 38, the end portion of each roller support 39 is provided with a roller 40 abutted in the guide rail 38, the two groups of guide supports 37 are respectively arranged at two ends, far away from the guide post 15, of the driving bottom plate 16, and the two groups of roller supports 39 and rollers 40 are respectively arranged and correspond to the two groups of guide supports 37.

A steering shaft 17 is arranged in the driving bearing seat 20, a steering shaft sleeve 31 and a hollow shaft sleeve 30 are sequentially sleeved on the upper side of the driving bearing seat 20 of the steering shaft 17, the steering shaft sleeve 31 is connected with the top of the driving bearing seat 20 through a bolt, the steering shaft sleeve 31 is connected with the hollow shaft sleeve 30 through a bolt, and a lower steering plate 18 is fixed on the top of the hollow shaft sleeve 30; the outer ring of the lower end of the hollow shaft sleeve 30 is provided with a steering block 35, the upper surface of the driving shaft sleeve 32 is provided with a limit block 36 relative to the two sides of the steering shaft 17, and the two limit blocks 36 limit the rotation angle of the steering block 35 so as to limit the steering of the driving wheel 21.

The upper surface of entablature 11 is equipped with sprocket shaft fixed plate 27, be equipped with sprocket shaft 28 on the sprocket shaft fixed plate 27, sprocket shaft 13 set up in sprocket shaft 28 and sprocket shaft 28 between be equipped with bearing 29, be equipped with the sprocket 14 that is used for controlling drive wheel 21 to turn to on the sprocket shaft 13, be connected through round pin axle 19 between sprocket 14 and the lower steering plate 18.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The utility model provides a drive assembly of counter-weight formula fork truck, includes frame (1), its characterized in that: the frame (1) is provided with an upper cross beam (11) and a lower cross beam (12), two guide posts (15) are arranged between the upper cross beam (11) and the lower cross beam (12), a driving bottom plate (16) and an adjusting plate (24) are arranged on the two guide posts (15), the adjusting plate (24) is positioned on the upper side of the driving bottom plate (16), a spring (25) with two ends respectively abutted against the adjusting plate (24) and the driving bottom plate (16) is sleeved between the adjusting plate (24) and the driving bottom plate (16) of the two guide posts (15), an adjusting bolt (26) with an end abutted against the upper surface of the adjusting plate (24) is arranged on the upper cross beam (11), a driving shaft sleeve (32) is arranged on the driving bottom plate (16), a driving bearing seat (20) is arranged in the driving shaft sleeve (32), and the driving bearing seat (20) is abutted against the lower surface of the, the bottom of the driving bearing seat (20) is provided with a driving wheel (21), a driving motor (22) and a brake (23).

2. The drive assembly of a counterbalanced forklift truck as recited in claim 1, wherein: the side, far away from the guide post (15), of the driving bottom plate (16) is provided with a guide support (37), one side, facing the guide post (15), of the guide support (37) is provided with a guide rail (38) perpendicular to the driving bottom plate (16), a roller support (39) perpendicular to the guide rail (38) is arranged on the frame (1), and the end portion of the roller support (39) is provided with a roller (40) abutted to the guide rail (38).

3. The drive assembly of a counterbalanced forklift truck as recited in claim 2, wherein: the guide supports (37) are two groups, the two groups of guide supports (37) are respectively arranged at two ends of one side, away from the guide post (15), of the driving bottom plate (16), and the two groups of roller supports (39) and the two groups of rollers (40) are respectively arranged corresponding to the two groups of guide supports (37).

4. The drive assembly of a counterbalanced forklift truck as recited in claim 1, wherein: be equipped with steering spindle (17) in drive bearing frame (20), steering spindle (17) is equipped with in proper order at the upside of drive bearing frame (20) and turns to axle sleeve (31), hollow axle sleeve (30), turn to the top bolted connection of axle sleeve (31) and drive bearing frame (20), turn to axle sleeve (31) and hollow axle sleeve (30) and be connected through the bolt, the top of hollow axle sleeve (30) is fixed with down steering board (18).

5. The drive assembly of a counterbalanced forklift truck as recited in claim 4, wherein: the outer ring of the lower end of the hollow shaft sleeve (30) is provided with a steering block (35), the upper surface of the driving shaft sleeve (32) is provided with a limiting block (36) relative to the two sides of the steering shaft (17), and the two limiting blocks (36) are used for limiting the rotation angle of the steering block (35) so as to limit the steering of the driving wheel (21).

6. The drive assembly of a counterbalanced forklift truck as recited in claim 4, wherein: the upper surface of entablature (11) is equipped with sprocket shaft fixed plate (27), be equipped with sprocket shaft sleeve (28) on sprocket shaft fixed plate (27), sprocket shaft (13) set up in sprocket shaft sleeve (28) and with be equipped with bearing (29) between sprocket shaft sleeve (28), be equipped with sprocket (14) that are used for controlling drive wheel (21) to turn to on sprocket shaft (13), be connected through round pin axle (19) between sprocket (14) and lower steering plate (18).

7. The drive assembly of a counterbalanced forklift truck as recited in claim 1, wherein: the top of the driving bearing seat (20) and the driving shaft sleeve (32) are provided with deep groove ball bearings (33), a tapered roller bearing (34) is arranged between the bottom of the driving bearing seat (20) and the bottom of the driving shaft sleeve (32), and the bottom of the driving shaft sleeve (32) is abutted to the driving bearing seat (20) through the tapered roller bearing (34).