CN217396614U

CN217396614U - Full hydraulic steering gear and connecting transmission device of turnable cab

Info

Publication number: CN217396614U
Application number: CN202123175582.1U
Authority: CN
Inventors: 周玉兵; 张龙; 曲柏桦; 高燕梅
Original assignee: Shandong Haorui Intelligent Technology Co ltd
Current assignee: Shandong Haorui Intelligent Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-09-09
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a connecting transmission device of a full hydraulic steering gear and a turnable cab, which comprises a frame body, a turnable cab body, the full hydraulic steering gear and a steering wheel, wherein a lower support of a steering column is arranged in the middle of the front part of a bottom plate of the turnable cab body, the lower end of an upper support of the steering column is hinged with the upper end of the lower support of the steering column, and can carry out the fore-and-aft regulation of certain angle by steering column lower carriage relatively, full hydraulic steering gear installs at the car frame body front end, and the steering spindle assembly is installed in steering column lower carriage and steering column upper bracket, and steering spindle assembly lower extreme and full hydraulic steering gear splined connection, upper end and steering wheel parallel key are connected, and the steering spindle assembly adopts the multistage connection structure in proper order and its lower part full hydraulic steering gear relatively to carry out the fore-and-aft regulation of certain angle, the utility model has the characteristics of the driver's cabin can overturn, convenient and fast, reduce maintenance cost.

Description

Full hydraulic steering gear and connection transmission device of turnable cab

Technical Field

The utility model belongs to the technical field of the special-purpose vehicle equipment that sweeps away, especially, relate to a full hydraulic steering ware and the connection transmission of driver's cabin that can overturn.

Background

Because the road sweeper needs to perform high-intensity operation usually and the operation condition is relatively severe, the maintenance of the road sweeper is very important. The cab body and the frame body of the traditional road sweeper equipment are mostly rigidly connected, and when the cab body is maintained, the maintenance of the parts below the cab body is particularly difficult, and the defect of the conventional road sweeper equipment is that:

1. the operation difficulty is high. After-sale service personnel need to dismantle the cab when maintaining the parts below the cab body, the dismounting and reassembling processes are very complicated, and the operation difficulty is increased.

2. The operation cost is high. When the after-sale service personnel carry out maintenance outdoors, the related large-scale equipment is not required to be disassembled and assembled, so that the road sweeper equipment needs to be operated to a large repair shop for carrying out maintenance, the labor and the time are consumed, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough of prior art and provide a driver's cabin can overturn, convenient and fast, reduce full hydraulic steering ware and the connection transmission of driver's cabin that can overturn of maintenance cost.

The utility model aims at realizing like this, a full hydraulic steering gear and the connection transmission of driver's cabin that can overturn, comprising a frame body, the driver's cabin body that can overturn, full hydraulic steering gear, the steering wheel, its characteristics are that the steering column lower carriage is installed at the anterior intermediate position of driver's cabin body bottom plate that can overturn, the lower extreme and the steering column lower carriage upper end of steering column upper bracket are articulated, and can carry out the regulation around of certain angle relatively the steering column lower carriage, full hydraulic steering gear installs at the frame body front end, the steering spindle assembly is installed in steering column lower carriage and steering column upper bracket, steering spindle assembly lower extreme and steering gear splined connection, the upper end is connected with the flat key of steering wheel, the steering spindle assembly adopts the full hydraulic steering gear of multistage connection gradually structure and its lower part relatively to carry out the front and back regulation of certain angle.

In order to further realize the utility model discloses a can be the steering spindle assembly divide into the four sections altogether, the first section of steering spindle assembly is installed in the steering column upper bracket through two upper and lower deep groove ball bearings, steering spindle assembly first section lower extreme passes through the universal joint with steering spindle assembly second section upper end and is connected, steering spindle assembly second section lower extreme passes through splined connection with steering spindle assembly third section upper end, steering spindle assembly second section is installed in the steering column lower carriage with steering spindle assembly third section, steering spindle assembly fourth section upper end is connected with steering spindle assembly third section lower extreme through the universal joint, steering spindle assembly fourth section lower extreme passes through the spline and is connected with full hydraulic steering gear.

In order to further realize the purpose of the utility model, can be that the turnover cab body is installed on the frame body through the cab turnover seat at the bottom of the front end and the cab fixing seat at the bottom of the rear end, and the cab fixing seat of the cab body is loosened, so that the cab body can be turned over relative to the frame body under the action of the cab turnover seat.

Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model discloses can realize that the driver's cabin body and steering spindle assembly together carry out the action of overturning forward for the car frame body, the driver's cabin body can overturn certain angle forward for the car frame body under the effect of driver's cabin upset seat, is connected with a universal joint between steering spindle assembly fourth section and the third section simultaneously, and this universal joint can guarantee again when the transmission steering wheel turns to the action along with the driver's cabin body is overturn forward together between steering spindle assembly fourth section and the third section. The utility model has the advantages of it is following:

1. the angle is changed to transmit power: the utility model discloses used two universal joints to carry out the power transmission, when guaranteeing steady transmission steering wheel pivoted action, can reach the upset change of certain angle again, guaranteed that the driver's cabin body and full hydraulic steering ware still can carry out the power transmission under different rotation angle and need not break off.

2. The maintenance difficulty is reduced: when the maintenance operation is carried out on the parts at the bottom of the cab body of the road sweeper, the cab body does not need to be detached, only needs to be turned over for a certain angle, and the parts to be maintained are exposed, meanwhile, the steering shaft assembly can also be turned over along with the cab body, the disassembly is not needed, and the maintenance difficulty is greatly reduced.

3. Reduce the maintenance cost: when the road sweeper is maintained, the cab body and the steering shaft assembly can be turned over together without disassembly, so that the dependence on a large repair shop is eliminated, and the maintenance cost is greatly reduced.

4. The flexibility of maintenance is improved: the driver's cab gets rid of the dependence of large-scale maintenance equipment and repair shops, so that the maintenance becomes simple, the maintenance work can be carried out after the cab body is turned over outdoors or in other places, and the maintenance work becomes simple and flexible.

Drawings

Fig. 1 is a schematic structure of the present invention.

Fig. 2 is a schematic structural view of the steering shaft assembly of the present invention.

In the figure: 1. the steering device comprises a steering room body, 2, a frame body, 3, a steering room overturning seat, 4, a steering room fixing seat, 5, a full hydraulic steering gear, 6, a steering column lower support, 7, a steering column upper support, 8, a steering wheel, 9, a first section of a steering shaft assembly, 10, a second section of the steering shaft assembly, 11, a third section of the steering shaft assembly, 12, a fourth section of the steering shaft assembly, 13 and a universal joint.

Detailed description of the preferred embodiments

The utility model discloses a full hydraulic steering gear with can overturn driver's cabin be connected transmission does following detailed description to its embodiment, and this embodiment is using the utility model discloses technical scheme implements under the prerequisite, has given detailed embodiment and concrete operation process, nevertheless the utility model discloses a scope of protection is not limited to the following embodiment.

A connecting transmission device of a full hydraulic steering gear and a turnable cab is disclosed, referring to fig. 1, comprising a frame body 2, a turnable cab body 1, a full hydraulic steering gear 5 and a steering wheel 8, wherein a steering column lower bracket 6 is arranged at the middle position of the front part of a bottom plate of the turnable cab body 1, the lower end of a steering column upper bracket 7 is hinged with the upper end of the steering column lower bracket 6 and can be adjusted forwards and backwards at a certain angle relative to the steering column lower bracket 6, the full hydraulic steering gear 5 is arranged at the front end of the frame body 2, a steering shaft assembly is arranged in the steering column lower bracket 6 and the steering column upper bracket 7, the lower end of the steering shaft assembly is connected with the full hydraulic steering gear 5 by a spline, the upper end of the steering shaft assembly is connected with the steering wheel 8 by a flat key, the steering shaft assembly adopts a multi-section sequential connection structure, and the lower part of the steering shaft assembly can be adjusted forwards and backwards at a certain angle relative to the full hydraulic steering gear 5, the steering wheel 8 is rotated, the steering wheel 8 drives the steering shaft assembly to rotate along with the steering wheel through a flat key, and the lower end of the steering shaft assembly drives the full-hydraulic steering gear 5 to rotate under the action of a spline; the turnable cab body 1 can be of a conventional structure, or the cab body 1 can be mounted on the frame body 2 through the cab turning seat 3 at the bottom of the front end and the cab fixing seat 4 at the bottom of the rear end, the cab fixing seat 4 of the cab body 1 is loosened, the cab body 1 can be turned over relative to the frame body 2 under the action of the cab turning seat 3, the number and the positions of the cab turning seat 3 and the cab fixing seat 4 can be set as required, and the number and the position of the cab turning seat 3 and the number and the position of the cab fixing seat 4 are respectively two.

Referring to fig. 2, the steering shaft assembly is divided into four sections, the first section 9 of the steering shaft assembly is mounted in the upper bracket 7 of the steering column through two deep groove ball bearings, which can ensure that the steering shaft assembly rotates in the upper bracket 7 of the steering column and the lower bracket 6 of the steering column, the lower end of the first section 9 of the steering shaft assembly is connected with the upper end of the second section 10 of the steering shaft assembly through a universal joint 13, which can ensure that the first section 9 of the steering shaft assembly, the second section 10 of the steering shaft assembly and the upper bracket 7 of the steering column can be synchronously adjusted forwards and backwards, namely the position of the universal joint 13 corresponds to the hinged position of the lower end of the upper bracket 7 of the steering column and the lower bracket 6 of the steering column, the lower end of the second section 10 of the steering shaft assembly is connected with the upper end of the third section 11 of the steering shaft assembly through a spline, the second section 10 of the steering shaft assembly and the third section 11 of the steering shaft assembly are mounted in the lower bracket 6 of the steering column, the upper end of the fourth section 12 of the steering shaft assembly is connected with the lower end of the third section 11 of the steering shaft assembly through another universal joint 13, the universal joint 13 can ensure that the steering shaft assembly turns along with the cab body 1 when the cab body 1 turns, and the lower end of the fourth section 12 of the steering shaft assembly is connected with the full hydraulic steering gear 5 through a spline.

Use the utility model discloses the time, operating personnel loosen cab fixing base 4 behind the cab body 1 earlier when maintaining to the spare part of road sweeper equipment cab body bottom, and operating personnel can follow cab body 1 about either side both hands promote cab body 1 forward, make cab body 1 surround front end driver's cabin upset seat 3 certain angle that overturns forward, will need to carry out maintenance's spare part show out can. When an operator pushes the overturning cab body 1 forwards, the fourth section 12 of the steering shaft assembly and the full-hydraulic steering gear 5 are fixed together, but the third section 11 of the steering shaft assembly is overturned forwards by a certain angle together with the action of the cab body 1 under the action of the universal joint 13, so that the steering shaft assembly and the cab body 1 can jointly overturn forwards and backwards by a certain angle on the basis of keeping the original connection and not being disconnected, and the steering action can still be transmitted between the steering wheel 8 and the full-hydraulic steering gear 5.

Obviously, the present invention discloses a technical solution and principle of a transmission device for connecting a full hydraulic steering gear with a turnable cab, and the definition of the above components and methods is not limited to the specific structures, shapes or manners mentioned in the embodiments, and those skilled in the art can easily change them, but all fall within the scope of the present invention.

In the embodiment, the mechanism of forward overturning of the cab body can also be realized by overturning towards the left side and the right side; the full hydraulic steering gear can also be replaced by an electric steering gear; the steering shaft assembly can be reduced from four sections to three sections. The spline connection in the connection transmission mode can be replaced by threaded connection, rivet connection, pin connection, interference connection, tension connection, anchoring connection and the like; the angular displacement function of the universal joint in the steering shaft assembly can be realized by using structures with spatial angular displacement, such as a universal ball head, a universal pin and the like.

Claims

1. A connection transmission device of a full hydraulic steering gear and a turnable cab comprises a frame body, the turnable cab body, the full hydraulic steering gear and a steering wheel, and is characterized in that a lower steering column support is arranged in the middle of the front part of a bottom plate of the turnable cab body, the lower end of an upper steering column support is hinged with the upper end of the lower steering column support and can be adjusted forwards and backwards at a certain angle relative to the lower steering column support, the full hydraulic steering gear is arranged at the front end of the frame body, a steering shaft assembly is arranged in the lower steering column support and the upper steering column support, the lower end of the steering shaft assembly is connected with the full hydraulic steering gear through a spline, the upper end of the steering shaft assembly is connected with the steering wheel through a flat key, the steering shaft assembly adopts a multi-section sequential connection structure, and the lower part of the steering shaft assembly can be adjusted forwards and backwards at a certain angle relative to the full hydraulic steering gear.

2. The transmission device for connecting a full hydraulic steering gear with a turnable cab as claimed in claim 1, wherein the steering shaft assembly is divided into four sections, the first section of the steering shaft assembly is mounted in the upper bracket of the steering column by means of two deep groove ball bearings, the lower end of the first section of the steering shaft assembly is connected with the upper end of the second section of the steering shaft assembly by means of a universal joint, the lower end of the second section of the steering shaft assembly is connected with the upper end of the third section of the steering shaft assembly by means of a spline, the second section of the steering shaft assembly and the third section of the steering shaft assembly are mounted in the lower bracket of the steering column, the upper end of the fourth section of the steering shaft assembly is connected with the lower end of the third section of the steering shaft assembly by means of a universal joint, and the lower end of the fourth section of the steering shaft assembly is connected with the full hydraulic steering gear by means of a spline.

3. The transmission device for connecting a full hydraulic steering gear with a turnable cab as claimed in claim 1, wherein the turnable cab body is mounted on the frame body through a cab-turning seat at the front bottom and a cab-fixing seat at the rear bottom, and the cab-fixing seat of the cab body is released, so that the cab body can be turned relative to the frame body under the action of the cab-turning seat.