CN202925503U - Abrasion resistant bushing, suction nozzle for sweeper truck and suction pipe - Google Patents
Abrasion resistant bushing, suction nozzle for sweeper truck and suction pipe Download PDFInfo
- Publication number
- CN202925503U CN202925503U CN 201220651654 CN201220651654U CN202925503U CN 202925503 U CN202925503 U CN 202925503U CN 201220651654 CN201220651654 CN 201220651654 CN 201220651654 U CN201220651654 U CN 201220651654U CN 202925503 U CN202925503 U CN 202925503U
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- Prior art keywords
- lining
- anti scuffing
- suction nozzle
- gilled rings
- abrasion resistant
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Abstract
The utility model discloses an abrasion resistant bushing, a suction nozzle for a sweeper truck, and a suction pipe, wherein the cross section of the abrasion resistant bushing (1) is circular or arc-shaped, the abrasion resistant bushing comprises a bushing wall (11) and multiple rib ring strips (12) which are convex inwards along the radial direction from the bushing wall; in the longitudinal section of the abrasion resistant bushing, the multiple rib ring strips are arrayed at intervals in the axial direction, and one arc-shaped groove (13) is formed between two adjacent rib ring strips; and the periphery of each rib ring strip forms a smooth curve. The cross section of the abrasion resistant bushing can preferably form an arc shape with the angle of 120 degrees-180 degrees, so that two abrasion resistant bushings can be symmetrically mounted on the inner wall of the suction nozzle (2) or the suction pipe. The abrasion resistant bushing can play the role of protecting the inner wall of the suction nozzle or the suction pipe, inhalational high-speed air can flow in the arc-shaped grooves among the rib ring strips to form an air bearing, so that impact of solid particles contained in the inhalational air to the inner wall is restrained, and the working life of the suction nozzle can be effectively prolonged.
Description
Technical field
The utility model relates to a kind of sweeping machine with suction nozzle and suction pipe, particularly, relates to a kind of sweeping machine suction nozzle and suction pipe that the anti scuffing lining is installed.
Background technology
Sweeping machine is when the cleaning operation of road surface, and all there are the heterogeneous air-flow of high speed in suction nozzle and suction pipe inside.Glass fragment in pavement garbage, metal fragment or can be under the sweeping along of high velocity air the inwall of suction nozzle and suction pipe be produced the abrasions such as cutter is cut, pulverized, scratch with the hard thing of the suctions such as stone of sharp seamed edge are denuded and can greatly be reduced the suction nozzle working life when serious.
The utility model content
For the defective that exists in above-mentioned prior art and deficiency, the utility model provides a kind of anti scuffing lining, sweeping machine suction nozzle and suction pipe, and this anti scuffing lining can effectively protect the hard thing of suction to the abrasion of suction nozzle and suction pipe.
To achieve these goals, according to an aspect of the present utility model, provide a kind of anti scuffing lining, this anti scuffing lining forms circle or circular shape on cross section; Described anti scuffing lining comprise jacket wall and on this jacket wall radially to projecting inward a plurality of gilled rings bars, on the longitudinal section of described anti scuffing lining, described a plurality of gilled rings bar be spaced vertically and adjacent described gilled rings bar between be formed with circular groove, the outer peripheral edges of described gilled rings bar form smooth curve.
Preferably, on the longitudinal section of described anti scuffing lining, the tip edge of described gilled rings bar and the edge of described circular groove be semi arch and both between be connected by the straight line tangent section.
Preferably, described a plurality of gilled rings bars are axially uniformly-spaced arranged along described anti scuffing lining, and the radius of described circular groove is greater than the semi arch radius of the tip edge of described gilled rings bar.
Preferably, described anti scuffing lining forms the circular shape of 120 °-180 ° on cross section.
Preferably, be formed with on the outside wall surface of described jacket wall towards the recessed a plurality of draw-in grooves of described gilled rings bar.
According to another aspect of the present utility model, a kind of sweeping machine suction nozzle also is provided, this suction nozzle comprises the anti scuffing lining above-mentioned according to the utility model, this anti scuffing lining is fixedly mounted on the inwall of described suction nozzle.
Preferably, this suction nozzle comprises top board, be positioned at the rubber baffle plate of top board front side, be positioned at the dividing plate of top board rear side and be positioned at the tube connector of top board upside, this tube connector forms truncated cone shape with the part that described top board is connected, and two described anti scuffing linings of the circular shape that forms 120 °-180 ° on cross section are installed on the inwall of this frustum of a cone part symmetrically.
Preferably, have segmental arc on described dividing plate, the described anti scuffing lining of the circular shape that forms 120 °-180 ° on cross section is installed on the inwall of this segmental arc.
Preferably, be formed with on the outside wall surface of described jacket wall towards the recessed a plurality of draw-in grooves of described gilled rings bar, be formed with a plurality of snap ring boss relative with described a plurality of draw-in grooves on the inwall of described suction nozzle.
According to also aspect of the present utility model, a kind of sweeping machine suction pipe is provided, this suction pipe also comprises the anti scuffing lining above-mentioned according to the utility model, this anti scuffing lining is fixedly mounted on the inwall of described suction pipe.
By technique scheme, can play protective action to suction nozzle or suction pipe inwall according to anti scuffing lining of the present utility model.The gilled rings bar wherein is set reduces lining thickness and weight.The high-speed air that sucks can flow to form air bearing in the circular groove between the gilled rings bar, the impact of the solid particle of sweeping along in the inhibition air amount to inwall.Can not only effectively improve the working life of suction nozzle, loss and the noise of Multiphase Flow in the time of also can weakening to a certain extent the rubbish suction, due to the existence of gilled rings bar make the sectional area of air flow channel reduce and the high-speed air that axially sucks little with frictional resistance between air bearing, gilled rings bar outer peripheral edges, make the flow velocity increasing of air amount.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of manual, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the longitudinal section schematic diagram according to the anti scuffing lining of a kind of preferred embodiment of the present utility model;
Fig. 2 is the sectional view that anti scuffing lining shown in Figure 1 is installed to the longitudinal section of sweeping machine with on suction nozzle the time;
Fig. 3 uses the stereogram of suction nozzle according to the sweeping machine of a kind of preferred embodiment of the present utility model, anti scuffing lining shown in Figure 1 wherein has been installed;
Fig. 4 is the partial schematic sectional view that sweeping machine shown in Figure 3 is used suction nozzle, has more known the structure that has shown the anti scuffing lining of installing on the suction nozzle inwall;
Fig. 5 is the upward view that sweeping machine shown in Figure 3 is used suction nozzle;
Fig. 6 is along the sectional view of A-A straight line in Fig. 5.
Description of reference numerals
1 anti scuffing lining 2 suction nozzles
11 jacket wall d arc chord angles
12 gilled rings bar 13 circular grooves
14 draw-in groove 21 top boards
22 rubber baffle plate 23 dividing plates
The tip edge of 24 tube connector a gilled rings bars
The edge of b straight line tangent section c circular groove
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for vertically, each parts mutual alignment relationship description word on vertical or gravity direction.
As shown in Figure 1, the utility model provides a kind of anti scuffing lining, and this anti scuffing lining 1 forms circle or circular shape on cross section, namely forms the part of complete sleeve or sleeve.As shown in Figure 1, anti scuffing lining 1 comprise jacket wall 11 and on this jacket wall 11 radially to projecting inward a plurality of gilled rings bars 12, on the longitudinal section of anti scuffing lining 1, a plurality of gilled rings bars 12 along the axially spaced-apart of anti scuffing lining 1 arrange and adjacent gilled rings bar 12 between be formed with circular groove 13, the outer peripheral edges of gilled rings bar 12 form smooth curve.As total design, the utility model is by designing anti-anti-wearing liner to play the protective action of sweeping machine with the inwall of suction nozzle or suction pipe.Thickness and weight that gilled rings bar 12 not only can reduce lining are set, and the high-speed air that sucks can be between gilled rings bar 12 interior the flowing to form " air bearing ", the impact of the solid particle that can suppress to sweep along in air amount to inwall of circular groove 13.Due to the existence of gilled rings bar 12 make the sectional area of the air flow channel of suction nozzle or suction pipe reduce and the outer peripheral edges of the air that axially sucks and " air bearing ", gilled rings bar 12 between frictional resistance little, make the flow velocity increasing of air amount.
As mentioned above, protective action and " air bearing " effect by anti scuffing lining 1, can reach and slow down in the rubbish suction process rubbish thing to the suction nozzle 2 of sweeping machine and the erosion degree of suction pipe, this can not only effectively improve the working life of suction nozzle 2, loss and the noise of Multiphase Flow in the time of also can weakening to a certain extent the rubbish suction.Particularly, by installing anti scuffing lining 1 of the present utility model additional, near the internal face of suction nozzle 2 and suction pipe, will form the high intensity turbulent layer with small-sized whirlpool array in the circular groove 13 between gilled rings bar 12, form " air bearing " effect.When the suction granulated garbage enters with high velocity air and does not bump with inwall, can effectively weaken the kinetic energy of granulated garbage with the turbosphere of vortex array, reduce the impact velocity of granulated garbage and change angle of attack, and then the motion fluidised form of change particle, reduce number of times and the impact degree of the collision of granulated garbage and inwall, bounce-back, thereby can greatly alleviate granulated garbage to the erosive wear of suction nozzle and suction pipe inwall.Simultaneously, formed small-sized whirlpool array in circular groove 13, just as a plurality of " air bearing ", play the effect of air-flow rolling bearing, this can not only reduce the frictional resistance between flow field borderline region and central area, also the runner central gas stream is carried out acceleration, promote the flow field to the rolling action of rubbish, ability is picked up in the suction that strengthens suction nozzle.
Participate in Fig. 1, on the longitudinal section of anti scuffing lining 1, the edge c of the tip edge a of gilled rings bar 12 and circular groove 13 be semi arch and both between be connected by straight line tangent section b.Like this, the outer peripheral edges of gilled rings bar 12 namely comprise line segment a in Fig. 1 and the outer peripheral edge portion of b, and the edge c of circular groove 13 is smooth line segment and formation is smoothly connected, and flow field and the air bearing of air amount are not produced inhibition.More preferably, a plurality of gilled rings bars 12 are axially uniformly-spaced arranged along the anti scuffing lining, make when using anti scuffing lining 1 formed each " air bearing " measure-alike.And the radius of circular groove 13 is preferably more than the semi arch radius of the tip edge a of gilled rings bar 12, namely makes circular groove 13 sizes larger on the basis of the structural strength that guarantees gilled rings bar 12, and " air bearing " effect is better.In the present embodiment, particularly, the tip edge a of gilled rings bar 12 forms semi arch, and its radius is preferably 1-3mm, and circular groove 13 is also semi arch, and its radius is preferably 3-5mm.
This anti scuffing lining 1 is preferably resilient bushing, but is not limited to this, can regularly replace depending on abrasion condition, extends to greatest extent the application life of suction nozzle.Can be provided with a plurality of installing holes on jacket wall 11, with by on the fastening inwall that is installed to suction nozzle 2 or suction pipe of securing member, similarly, the fixed installation mode of anti scuffing lining 1 also is not limited to this.As shown in Figure 1, can be formed with on the outside wall surface of jacket wall 11 towards the recessed a plurality of draw-in grooves 14 of gilled rings bar 12, thereby be fixed on inwall with snap fit.In present embodiment, particularly, the depth of groove of draw-in groove 14 is preferably 2-4mm, and the longitudinal length of groove is chosen as 2-6mm.In addition, as previously mentioned, anti scuffing lining 1 can be the part of complete sleeve or sleeve, sleeve-shaped can directly be installed in pipe, but in the tube wall of other shape, for example in the tube wall of truncated cone shape or arc, can adopt the circular shape anti scuffing lining 1 that is 120 ° of-180 ° of arc chord angle d on cross section, two circular shape anti scuffing linings 1 are installed on inwall symmetrically, below will describe in detail.
On the basis of above-mentioned anti scuffing lining 1, as Fig. 3 or shown in Figure 4, the utility model also provides a kind of sweeping machine with suction nozzle and sweeping machine suction pipe, is installed with above-mentioned anti scuffing lining 1 on the inwall of this suction nozzle 2 and suction pipe.This suction nozzle 2 or suction pipe are after installing anti scuffing lining 1, and anti-wear effect is better than plain bushing effect.
From Fig. 2, Fig. 3, Fig. 5 and Fig. 6 as seen, the suction nozzle 2 of sweeping machine generally comprise top board 21, be positioned at top board 21 front sides rubber baffle plate 22, be positioned at the dividing plate 23 of top board 21 rear sides and be positioned at the tube connector 24 of top board 21 upsides.Wherein, this tube connector 24 forms truncated cone shape with the part that top board 21 is connected, and this frustum of a cone partly weares and teares larger, needs to install anti scuffing lining 1.Therefore, preferably symmetry is arranged on two anti scuffing linings 1 that are 120 ° of-180 ° of arc chord angle d on cross section on the inwall of this frustum of a cone part, has shown one of them circular arc anti scuffing lining 1 in Fig. 4.If need, the anti scuffing lining 1 that is the complete circle barrel shape can be installed on the pipeline section inwall on tube connector 24 tops.As shown in Figure 5, have segmental arc on dividing plate 23, arc chord angle d can be installed equally be an anti scuffing lining 1 of 120 °-180 ° on the inwall of this segmental arc, to protect this dividing plate 23 parts.In addition, adopt snap fit fixed installation anti scuffing lining 1 in present embodiment, namely be formed with on the outside wall surface of jacket wall 11 towards the recessed a plurality of draw-in grooves 14 of gilled rings bar 12, be formed with a plurality of snap ring boss relative with a plurality of draw-in grooves 14 on the inwall of suction nozzle 2.Adopt the fit system of draw-in groove 14 and snap ring boss, not only can make anti scuffing lining 1 fit to the better effects if of inwall, and the existence of snap ring boss can also be played the structural strength that strengthens suction nozzle 2, the ability of enhancing opposing high velocity air to the tangential shearing force effect of suction nozzle inwall.
below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail, but, the utility model is not limited to the detail in above-mentioned embodiment, in technical conceive scope of the present utility model, can carry out multiple simple variant to the technical solution of the utility model, the cross sectional shape of gilled rings bar 12 for example, the rib spacing, quantity all can be made correspondingly according to the interior wall construction shape of suction nozzle 2 and adjusting, installation site on anti scuffing lining 1 suction nozzle 2 also is not limited to part described above in addition, optionally can install anti scuffing lining 1 additional on all inwalls of suction nozzle 2, all belong to protection domain of the present utility model in these simple variant.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, also can carry out any combination between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. anti scuffing lining is characterized in that:
This anti scuffing lining (1) forms circle or circular shape on cross section;
Described anti scuffing lining (1) comprise jacket wall (11) and on this jacket wall (11) radially to projecting inward a plurality of gilled rings bars (12), on the longitudinal section of described anti scuffing lining (1), described a plurality of gilled rings bars (12) be spaced vertically and adjacent described gilled rings bar (12) between be formed with circular groove (13), the outer peripheral edges of described gilled rings bar (12) form smooth curve.
2. anti scuffing lining according to claim 1, it is characterized in that, on the longitudinal section of described anti scuffing lining (1), the tip edge (a) of described gilled rings bar (12) and the edge (c) of described circular groove (13) be semi arch and both between be connected by straight line tangent section (b).
3. anti scuffing lining according to claim 2, it is characterized in that, described a plurality of gilled rings bars (12) are axially uniformly-spaced arranged along described anti scuffing lining, and the radius of described circular groove (13) is greater than the semi arch radius of the tip edge (a) of described gilled rings bar (12).
4. the described anti scuffing lining of any one according to claim 1-3, is characterized in that, described anti scuffing lining (1) forms the circular shape of 120 °-180 ° on cross section.
5. the described anti scuffing lining of any one according to claim 1-3, is characterized in that, is formed with on the outside wall surface of described jacket wall (11) towards the recessed a plurality of draw-in grooves (14) of described gilled rings bar (12).
6. the sweeping machine suction nozzle, is characterized in that, this suction nozzle (2) comprises the described anti scuffing lining of any one (1) according to claim 1-3, and this anti scuffing lining (1) is fixedly mounted on the inwall of described suction nozzle (2).
7. sweeping machine suction nozzle according to claim 6, it is characterized in that, this suction nozzle (2) comprises top board (21), be positioned at the rubber baffle plate (22) of top board (21) front side, be positioned at the dividing plate (23) of top board (21) rear side and be positioned at the tube connector (24) of top board (21) upside, this tube connector (24) forms truncated cone shape with the part that described top board (21) is connected, and two described anti scuffing linings (1) of the circular shape that forms 120 °-180 ° on cross section are installed on the inwall of this frustum of a cone part symmetrically.
8. sweeping machine suction nozzle according to claim 7, is characterized in that, described dividing plate has segmental arc on (23), and the described anti scuffing lining (1) of the circular shape that forms 120 °-180 ° on cross section is installed on the inwall of this segmental arc.
9. the described sweeping machine suction nozzle of any one according to claim 6-8, it is characterized in that, be formed with on the outside wall surface of described jacket wall (11) towards the recessed a plurality of draw-in grooves (14) of described gilled rings bar (12), be formed with a plurality of snap ring boss relative with described a plurality of draw-in grooves (14) on the inwall of described suction nozzle (2).
10. the sweeping machine suction pipe, is characterized in that, this suction pipe also comprises anti scuffing lining described according to any one in the claims 1-5 (1), and this anti scuffing lining (1) is fixedly mounted on the inwall of described suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651654 CN202925503U (en) | 2012-11-30 | 2012-11-30 | Abrasion resistant bushing, suction nozzle for sweeper truck and suction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651654 CN202925503U (en) | 2012-11-30 | 2012-11-30 | Abrasion resistant bushing, suction nozzle for sweeper truck and suction pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925503U true CN202925503U (en) | 2013-05-08 |
Family
ID=48215479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651654 Expired - Fee Related CN202925503U (en) | 2012-11-30 | 2012-11-30 | Abrasion resistant bushing, suction nozzle for sweeper truck and suction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202925503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3620239A1 (en) * | 2018-09-05 | 2020-03-11 | Garage Door Systems Ltd | Device and method for removing particulates |
-
2012
- 2012-11-30 CN CN 201220651654 patent/CN202925503U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3620239A1 (en) * | 2018-09-05 | 2020-03-11 | Garage Door Systems Ltd | Device and method for removing particulates |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |