WO2012088870A1

WO2012088870A1 - Suction nozzle for road sweeping equipment and road sweeping equipment using same

Info

Publication number: WO2012088870A1
Application number: PCT/CN2011/076959
Authority: WO
Inventors: 肖庆麟; 辛绪早
Original assignee: 长沙中联重工科技发展股份有限公司; 湖南中联重科专用车有限责任公司
Priority date: 2010-12-29
Filing date: 2011-07-07
Publication date: 2012-07-05
Also published as: CN102031764A; CN102031764B

Abstract

Disclosed is a suction nozzle for road sweeping equipment and road sweeping equipment using same. The suction nozzle comprises a suction nozzle body (8), and with the normal travelling direction being the front direction, the suction nozzle also comprises more than one jacking assemblies capable of lifting the front end of the suction nozzle body (8) to increase ground clearance. The road sweeping equipment comprises a chassis (9), a dustbin(11) fixed on the chassis (9) and more than one sweeping plates (10), and the above mentioned suction nozzle for road sweeping equipment is provided on the chassis (9).

Description

Sweeping device nozzle and its sweeping device

Technical field

The invention mainly relates to the field of road cleaning equipment, and particularly relates to a nozzle for a road sweeping device and a road sweeping device having the same. Background technique

With the rapid development of modern cities, various functions of cleaning equipment have gradually been promoted, such as: road sweepers. Due to different sections in different areas or in different areas of the same city, the road surface conditions and the composition of the waste on the road surface vary widely. This requires the road sweeper to have higher requirements for adaptability to different road surfaces and adaptability to different components of the garbage when performing cleaning operations.

When the existing suction sweeper is used for cleaning operations, the optimal ground clearance of the nozzle is generally controlled.

5~10mm or so. Because, if the gap is too large, the negative pressure near the suction port of the nozzle body is seriously reduced, which affects the suction effect of the nozzle on the road surface garbage, and the road surface after the suction is not clean. In this case, lightly rubbish on the road surface and garbage with a large bulk density cannot be sucked into the inside of the nozzle body, and it is left on the road surface, and it is necessary to manually remove the residual garbage for the second time. Especially in the autumn and spring when the leaves are concentrated, the piles of leaves fall on the road surface, and the garbage is manually cleaned, not only does not fully exploit the advantages of mechanized road cleaning operations, but also requires a second repeated investment. The human, material and financial resources to remove these residual wastes, resulting in unnecessary waste of secondary resources.

However, the existing pure-sweeping sweeper has no nozzles, can only clean the light and floating garbage on the road surface, and cannot remove dust and small-sized garbage on the road surface, and its application range is too small.

Some practitioners have proposed: To clean and collect a variety of garbage components by means of a combination of multiple models. For example, use a pure sweeping sweeper to clean the dusty and bulky garbage for the first time, and then use the suction sweeper to clean the dust and small volume of garbage for the second time, but The cost of doing so in this way is too high. Summary of the invention

The technical problem to be solved by the present invention is that, in view of the technical problems existing in the prior art, the present invention provides a nozzle for a road sweeping device having a wide application range and a good cleaning effect, and a road sweeping device thereof.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

A nozzle for a sweeping device, the nozzle for the sweeping device comprises a nozzle body, wherein: the front of the sweeping device is forward, the nozzle for the sweeping device further comprises more than one nozzle for lifting the front end of the nozzle body High to increase the lift component of the ground clearance.

As a further improvement of the invention:

The jacking assembly includes a swinging member and a jacking drive member and a running member respectively coupled to the swinging member, the swinging member being movably coupled to the nozzle body.

The middle portion of the oscillating member is hinged to the nozzle body, the running member is coupled to the front end of the oscillating member, and the rear end of the oscillating member is coupled to the driving end of the jacking drive member.

The non-driving end of the jacking drive member is coupled to the nozzle body through a rear bearing seat, and the jacking drive member and the rear bearing seat are hinged.

There are two or more jacking assemblies, and all jacking assemblies are connected by a synchronous shaft.

The front end of the nozzle body is provided with a front elastic sealing plate.

A road sweeping device includes a chassis and a garbage bin fixed to the chassis and one or more sweeping disks, wherein: the chassis is provided with the nozzle for the above-mentioned road sweeping device.

Preferably, the jacking drive is coupled to the control system of the road sweeper.

Compared with the prior art, the invention has the advantages that: the invention has the advantages of simple and compact structure, low cost, simple operation, wide application range, and can adapt to different cities, different regions (road segments), different road conditions, and various garbage components coexisting. Operating environment. The invention can achieve the cleaning and receiving of a plurality of garbage materials in one operation at the same time, thereby eliminating the need for the manual second cleaning of the residual garbage after the cleaning operation of the existing suction sweeping vehicle. Achieve mechanized cleaning operations in the full sense.

DRAWINGS Figure 1 is a schematic view showing the structure of the present invention in a non-uplift state;

Figure 2 is a schematic view showing the structure of the present invention in a jacked state;

Figure 3 is a schematic plan view of the present invention;

Figure 4 is a schematic view showing the structure of the road sweeping vehicle of the present invention.

illustration:

1, walking parts; 2, pin shaft; 3, swinging parts; 4, synchronous shaft; 5, front support; 6, jacking drive; 7, rear support; 8, nozzle body; 801, nozzle body Front walking wheel; 802, suction body rear walking wheel; 803, front elastic sealing plate; 804, suction body suction pipe; 9, chassis; 10, sweeping disk; 11, garbage bin. detailed description

The invention will be further described in detail below in conjunction with the drawings and specific embodiments. As shown in Fig. 1, Fig. 2 and Fig. 3, the nozzle for the road sweeping apparatus of the present invention includes a nozzle body 8, and the nozzle body 8 is attached to the body of the road sweeping vehicle and is pulled forward by the chassis. The direction of travel along the normal working direction of the vehicle body is forward (in the direction of the arrow shown in Fig. 3), and more than one jacking assembly that allows the front end of the nozzle body 8 to be raised. By raising the front end of the nozzle body 8 to increase the ground clearance, thereby adjusting the opening of the front portion of the nozzle body 8, that is, the opening degree A of the nozzle shown in FIG. The nozzle body 8 is capable of sucking road dust and small-sized garbage, and is also capable of sucking light-waste garbage such as leaves or garbage having a large bulk density.

Further, the front and rear ends of the nozzle body 8 are respectively provided with a nozzle body front walking wheel 801 for walking and a nozzle body rear walking 802. The nozzle body 8 is provided with a nozzle body suction tube for absorbing waste. 804. A front elastic sealing plate 803 is attached to the front end of the nozzle body 8.

Further, in this embodiment, the jacking assembly includes a jacking drive member 6, a swinging member 3, and a running member 1, the middle portion of the swinging member 3 is hinged to the nozzle body 8, and the traveling member 1 is coupled to the swinging member 3 via the pin 2. The front end of the oscillating member 3 is connected to the driving end of the jacking drive member 6 via a pin 2. The jacking drive member 6 can be a cylinder, a cylinder or an electric push rod or the like as needed. Swinging member 3 The middle section is connected to the nozzle body 8 through the front support base 5, and the swinging member 3 and the front support base 5 are hinged by the pin shaft 2. The non-drive end of the jacking drive member 6 is coupled to the nozzle body 8 via the rear bearing block 7, and the jacking drive member 6 and the rear bearing block 7 are hinged by the pin shaft 2. The telescopic rod end or the fixed cylinder end of the jacking drive member 6 may be connected to the nozzle body 8 according to actual needs. In this embodiment, there are two jacking assemblies, and all jacking components are connected by the synchronizing shaft 4, so that the synchronization and consistency of the jacking adjustment time can be ensured, thereby ensuring the stability during walking. The jacking drive member 6 is connected to the control system of the road sweeping vehicle to control the jacking distance of the jacking drive member 6, and further controls the opening degree of the front portion of the nozzle body 8.

When the nozzle for the road sweeping apparatus of the present invention is operated in the non-uplift state, the front body of the nozzle body of the nozzle body 8 and the rear body of the nozzle body 802 are supported on the road surface and are towed by the chassis. Both jacking drive members 6 are in a non-uplift state, and the two traveling members 1 are suspended. At this time, the ground clearance of the nozzle body 8 is generally controlled to be about 5 to 10 mm. In this case, the nozzle of the present invention is mainly used for suction road dust, small volume of garbage, and the like.

When the nozzle for the road sweeping device of the present invention is operated in the jacking state, the two jacking driving members 6 are in the jacking state, and the end of the swinging member 3 connected to the jacking driving member 6 is jacked up, due to the traveling member 1 is hinged to the front end of the swinging member 3 by the pin 2, so that the traveling member 1 is placed on the ground, and the synchronizing shaft 4 ensures that the two traveling members 1 are simultaneously placed on the ground, so that the front traveling wheel 801 of the suction nozzle body is suspended. At this time, the nozzle body 8 is in a front-rear tilt state (i.e., front high and low rear), and is supported by the two traveling members 1 and the rear suction traveling wheel 802 on the road surface, and is pulled by the chassis. Under the action of the negative pressure of the fan on the car body, the sweeping wheel of the road sweeper is collected in the front of the nozzle body 8 on the road front of the dust, small volume of garbage, leaves, light drifting garbage, garbage with a large bulk density. At the same time, the object is sucked from the front opening of the nozzle body 8 into the inside of the nozzle body 8, and then sent to the garbage bin on the road sweeping vehicle through the suction nozzle 804. The opening degree of the front part of the nozzle body 8 can be converted according to the stroke size of the jacking drive member 6 according to the composition, the amount of the garbage on the road surface, and the size of the bulk density, and the hydraulic circuit is controlled by the PLC programmable controller. Operate in the chassis of the chassis. In the specific operation, the driver firstly checks the composition, quantity and volume density of the garbage on the road surface. Measure, according to the visual result, turn the nozzle front opening value control knob to determine the opening value. If there is an error between the visual result and the actual result, the front elastic sealing plate 803 can be used to obtain the avoidance compensation to prevent the garbage from entering the nozzle or the nozzle.

As shown in Fig. 4, the road sweeping apparatus of the present invention comprises a chassis 9 and a garbage can 11 fixed to the chassis 9 and one or more sweeping disks 10, and the above-mentioned cleaning device for the road sweeping device is mounted on the chassis 9.

The above is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above embodiments, and all the technical solutions under the inventive concept belong to the protection scope of the present invention. It should be noted that a number of modifications and adaptations of the present invention are considered to be within the scope of the present invention without departing from the principles of the invention.

Claims

Rights request

A nozzle for a road sweeping device, the nozzle for a sweeping device comprising a nozzle body (8), characterized in that: the forward direction of the sweeping device is forward, and the nozzle for the sweeping device further comprises more than one energy Lift the front end of the nozzle body (8) to increase the jacking component of the ground clearance.

2. The nozzle for a road sweeping device according to claim 1, wherein: the jacking assembly comprises a swinging member (3) and a jacking drive member (6) connected to the swinging member (3) and walking (1), the swinging member (3) is movably connected to the nozzle body (8).

3. The nozzle for a road sweeping device according to claim 2, wherein: the middle portion of the swinging member (3) is hinged to the nozzle body (8), and the running member (1) is connected to the swinging member At the front end of (3), the rear end of the swinging member (3) is connected to the driving end of the jacking drive member (6).

The nozzle for a road sweeping device according to claim 2 or 3, characterized in that: the non-driving end of the jacking drive member (6) is connected to the nozzle body (8) through the rear bearing seat (7) Upper, the lifting drive member (6) and the rear bearing seat (7) are hinged.

The nozzle for a road sweeping device according to claim 1 or 2 or 3, characterized in that: the jacking assemblies are two or more, and all jacking assemblies are connected by a synchronizing shaft (4).

The nozzle for a road sweeping device according to claim 1 or 2 or 3, characterized in that the front end of the nozzle body (8) is provided with a front elastic sealing plate (803).

7. A road sweeping device comprising a chassis (9) and a waste bin (11) fixed to the chassis (9) and one or more sweeping disks (10), characterized in that: the chassis (9) A suction nozzle for a road sweeping device according to any one of claims 1 to 6 is provided.

8. The road sweeping device according to claim 7, characterized in that the jacking drive (6) is connected to the control system of the road sweeper.