CN104074161B - Two-wayly can keep away the high pressure sweeper spray bar mechanism of barrier - Google Patents
Two-wayly can keep away the high pressure sweeper spray bar mechanism of barrier Download PDFInfo
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- CN104074161B CN104074161B CN201410281762.3A CN201410281762A CN104074161B CN 104074161 B CN104074161 B CN 104074161B CN 201410281762 A CN201410281762 A CN 201410281762A CN 104074161 B CN104074161 B CN 104074161B
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Abstract
Two-wayly can keep away a high pressure sweeper spray bar mechanism for barrier, belong to and realize the mechanism that sweeper high pressure spray boom is clockwise around center of rotation or be rotated counterclockwise with avoiding obstacles.This mechanism comprises telescopic cylinder, pivoted arm, case, under keep away barrier spring, above keep away barrier spring, high pressure spray boom.Telescopic cylinder two ends are connected with bearing and pivoted arm respectively, and bearing is welded on suction nozzle assembly, and pivoted arm and case are bolted; Under keep away barrier lower spring end and insert in the hole that pivoted arm bores, upper end is hooked in the root of high pressure spray boom; On keep away barrier spring upper end and insert in the hole on case, lower end is hooked in the root of high pressure spray boom.The invention has the advantages that: this mechanism can realize automatically reversing forward or backward with avoiding obstacles when road sweeper driving process mesohigh spray boom runs into obstruction and can the function of self-return after avoiding obstacles, its structure is simple, compact, cost is low, keep away barrier and homing action reliable, working stability.
Description
Technical field
The present invention relates to the two-way Bi Zhang mechanism of high pressure spray boom of a kind of Bi Zhang mechanism of engineering machinery, particularly a kind of road sweeper.
Background technology
Sweeper adopts the operating type road pavement of scrubbing with sweeping of high-pressure wash washes combination, garbage reclamation, hydraulic pressure tumble discharging to carry out scrubbing operation.Its collection sweeping machine and high-pressure sewer flushing vehicle with integrally, realize completing the collection of cleaning, high-pressure wash and rubbish, sewage in one-stop operation.At present, sweeper has obtained the height accreditation in market, and becomes the leading type of municipal environmental sanitation equipment gradually.
Generally, the high pressure spray boom of sweeper to stretch out when needs work beyond car body and angled with vehicle body, is recovered within car body when not working.In the market the high pressure spray linkage of existing sweeper mostly only have unidirectional barrier avoiding function (namely can only when sweeper moves forward spray boom rotate backward keep away barrier), even spray boom is cemented on car body and cannot keeps away barrier.This just causes when sweeper reversing or turning run into obstruction, and spray boom effectively cannot be kept away barrier and cause the damage of mechanism.And the high pressure sweeper spray bar mechanism two-wayly can keeping away barrier can effectively address this problem.
Summary of the invention
The object of the invention is to provide a kind of high pressure spray linkage two-wayly can keeping away barrier, solving sweeper high pressure spray boom effectively cannot keep away barrier problem when moveing backward or turn.
Specifically the present invention adopts following technical scheme:
The two-way spray rod device keeping away barrier, comprises telescopic cylinder, and its one end is fixed by the bearing be fixed on suction nozzle assembly, and the other end is connected with pivoted arm, and flexible the completing that described pivoted arm can follow cylinder is stretched out and retracted; Institute's pivoted arm is also fixed with case, the groove that described suction nozzle assembly is offered along Telescopic-cylinder direction in addition, water circuit system is through described groove, and upwards penetrate described case, be connected with high pressure spray boom in described case, thus provide high-pressure fluid to described high pressure spray boom, described pivoted arm, case and spray boom are linked to be an entirety and can slide in described groove; Also offer ring-like window in the middle part of described case, described high pressure spray boom can stretch out and rotating in a circumferential direction along described case from described ring-like window; Keep away under also comprising barrier spring and on keep away barrier spring, keep away under wherein said and hinder the lower end of spring and insert in the hole that described pivoted arm bores, upper end is hooked in the root of described high pressure spray boom; The upper end keeping away barrier spring on described is inserted in the hole of described case upper end, and lower end is also hooked in the root of described high pressure spray boom; Keep away barrier spring under described and above keep away barrier spring applies rightabout applying respectively pretightning force to described high pressure spray boom, make can get back to original position after described high pressure spray boom rotates.
Further, in the hole of the upper end of described case, there is fastening devices, for fixing described on keep away the upper end of barrier spring; In the hole that described pivoted arm bores, there is fastening devices, for fixing described under keep away the lower end of barrier spring.
Especially, described case comprises base, is provided with multiple bolt hole, is fixed on pivoted arm by multiple corresponding bolt by described case; Described case also comprises the opening upwards extended from described base, for the turnover of described spray boom; Described opening and described ring-like window UNICOM, described high pressure spray boom can complete certain angular turn and keep away barrier action to complete in described ring-like window.
Further, described water circuit system includes water pipe, axle, axle sleeve, water annulus and joint, described axle is overlapped on described groove, described pivoted arm is set in described axle, under the drive of pivoted arm, described axle can follow described pivoted arm along described groove slide anteroposterior, also comprise the axle sleeve being set in described axle periphery, in described axle sleeve, there is water annulus, this water annulus is communicated with described axle, the periphery of described axle sleeve is also provided with joint, one end of this joint is communicated with described water annulus, the other end connects described high pressure spray boom, one end of described axle is communicated with described water annulus, the other end is connected to oral siphon.
In addition, described axle sleeve can carry out the rotation of 360 degree around described axle.
Further, the radian of described ring-like window is greater than 180 degree, thus can realize the obstruction that described spray boom completes positive and negative 90 degree and walk quickly and keep away.
Especially, keep away under described barrier spring and on keep away that to hinder spring be torsionspring.
Beneficial effect of the present invention: owing to have employed such scheme, when sweeper moves forward, spray boom is as run into obstruction, under keep away barrier spring lower end cannot rotate owing to being inserted on pivoted arm, then its upper end is just reversed counterclockwise around the centre of twist under the thrust of spray boom, spray boom i.e. homing under the effect of torsion after clearing the jumps; When sweeper travels backward, spray boom is as run into obstruction, on keep away barrier spring upper end cannot rotate owing to being inserted on case, then its lower end is just reversed clockwise around the centre of twist under the thrust of spray boom, spray boom also homing under the effect of torsion after clearing the jumps.Operating principle is similar therewith for the spray boom of opposite side, repeats no more.
This mechanism can realize the two-way barrier avoiding function of high pressure sweeper spray boom, solves traditional sweeper high pressure spray boom and cannot keep away barrier or the relevant issues unidirectionally can only kept away barrier and produce.
Accompanying drawing explanation
Fig. 1 is the two-way elevation keeping away barrier spray bar mechanism of the present invention;
Fig. 2 is the two-way top view keeping away barrier spray bar mechanism of the present invention;
The left figure of Fig. 3 is the zoomed-in view of part A in Fig. 1; The right figure of Fig. 3 is the phantom of the left figure of Fig. 3;
To be the present invention at sweeper advance Fig. 4 keeps away barrier design sketch when meeting obstruction.
To be the present invention at sweeper retreat Fig. 5 keeps away barrier design sketch when meeting obstruction.
Fig. 6 is the schematic diagram of case of the present invention;
Fig. 7 is the waterway structure schematic diagram of this aspect.
In figure, 1, telescopic cylinder; 2, pivoted arm; 3, case; 4, barrier spring is kept away under; 5, barrier spring is kept away on; 6, high pressure spray boom; 7, oral siphon; 8, water annulus; 9, axle sleeve; 10, axle; 11, joint.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed.
With reference to Fig. 1, of the present inventionly can two-way Bi Zhang mechanism to comprise: telescopic cylinder 1, pivoted arm 2, case 3,4, under keep away barrier spring, above keep away barrier spring 5, high pressure spray boom 6.Wherein telescopic cylinder 1 two ends respectively with bearing and pivoted arm 2 hinged, bearing is welded on suction nozzle assembly, and pivoted arm 2 and case 3 are bolted.
Shown in Fig. 2, pivoted arm 2 passes through together with bolted splice with case 3, and such pivoted arm 2 and case 3 will be fixed together, stretching out or retracting along with cylinder, and described pivoted arm 2 and 3 carries out stretching out or retracting simultaneously.And as shown in Figure 2, suction nozzle assembly also has the groove along Telescopic-cylinder direction.Water circuit system through described groove, and upwards penetrates case 3, is connected in case 3 with spray boom 6, thus provides high-pressure fluid to spray boom 6, and pivoted arm 2 and case 3 can along groove slide anteroposterior thus.
With reference to Fig. 7, which further illustrate the water circuit system of this aspect, it comprises axle 10, and axle 10 is overlapped on described groove, and pivoted arm 2 is set in described axle 10.Under the drive of pivoted arm, described axle can follow pivoted arm 2 along described groove slide anteroposterior.Also comprise the axle sleeve 9 being set in described axle 10 periphery, have water annulus 8 in described axle sleeve 9, this water annulus 8 is communicated with axle 10.The periphery of described axle sleeve 9 is also provided with joint 11, and one end of this joint 11 is communicated with described water annulus 8, and the other end connects spray boom 6.Described axle sleeve 9 can carry out the rotation of 360 degree around described axle 10.Therefore, when spray boom 6 rotates, described axle sleeve 9, joint 11 follow rotation together.One end of described axle 10 is communicated with water annulus 8, and the other end is connected to oral siphon 7.When spray boom carries out operation, high-pressure fluid enters into axle 10 from oral siphon 7, then enters into described water annulus 8, is then transferred in spray boom 6 by joint 11 and sprays.
On keep away barrier spring 5 and under keep away barrier spring 4 and be set in respectively on described axle sleeve 10.
With further reference to Fig. 3, under keep away barrier spring 4 lower end and insert in the hole that pivoted arm 2 bores, upper end is hooked in the root of high pressure spray boom 6; On keep away barrier spring 5 upper end and insert in the hole on case 3, lower end is hooked in the root of high pressure spray boom 6.Keep away barrier spring 4 under such spray boom 6 passes through and above keep away the pretightning force that barrier spring 5 applies the other way around and a certain permanent position be stuck in case 3, preferably this position can be the position vertical with vehicle forward direction.Such pivoted arm 2, case 3, under keep away barrier spring 4, on keep away barrier spring 5 and high pressure spray boom 6 just become an entirety, telescopic cylinder 1 only completes stretching out of this entirety and retract action.
Shown in Fig. 6, described case 3 comprises base, is provided with multiple bolt hole, is fixed on pivoted arm 2 by case 3 by multiple corresponding bolt.Described case 3 also comprises the opening upwards extended from described base, for the turnover of spray boom 6.Being arranged so that of described opening, keep away under such as described barrier spring 4 and on keep away barrier spring 5 and fracture occur when needing to change, conveniently directly pull down described case 3, and do not need to dismantle parts such as spray boom 6 grade.The middle part of described case also on have ring-like window, this ring-like window and above-mentioned opening UNICOM, certain angle swinging can be had wherein to keep away barrier action to complete for high pressure spray boom 6, the radian of described ring-like window is for being greater than 0 degree, the radian of described ring-like window is greater than 180 degree especially, thus the obstruction that described spray boom completes positive and negative 90 degree can be realized walk quickly and keep away (as illustrated in figures 4-5), preferably described angle is between 180 degree to 270 degree, and this can ensure the rigidity of case 3.
When sweeper moves forward, spray boom is as run into obstruction, under keep away barrier spring 4 lower end cannot rotate owing to being inserted on pivoted arm 2, such as, pivoted arm 2 has the fastening devices such as draw-in groove, card column, for the lower end of fixing spring 4, then its upper end is just reversed counterclockwise around the centre of twist under the thrust of spray boom 6, spray boom i.e. homing under the effect of torsion after clearing the jumps; When sweeper travels backward, spray boom is as run into obstruction, and the upper end above keeping away barrier spring 5 cannot be rotated owing to being inserted on case 3, and equally, the inside, upper end of described case 3 has spring fitting device.Then its lower end is just reversed clockwise around the centre of twist under the thrust of spray boom 6, spray boom also homing under the effect of torsion after clearing the jumps.Described spring can be preferably torsionspring.
Further, also Compress Spring is provided with between described cylinder 1 and described pivoted arm 2.Cylinder now comprises cylinder barrel and cylinder rod, and cylinder rod can stretch along cylinder barrel under the effect of the pressure.Between the cylinder rod that described Compress Spring is set in described cylinder 1 and pivoted arm 2.Connection now between cylinder rod and pivoted arm 2 is not hinged mode, but a kind of mode be slidably socketed.Pivoted arm 2 is sleeved on the inside of described cylinder rod, can along cylinder rod internal slide, and be provided with Compress Spring in cylinder rod inside, when the cylinder rod of described cylinder stretches out, described pivoted arm 2 and then stretches out, now be in nature elongation state being enclosed within the Compress Spring between cylinder rod and pivoted arm 2, when vehicle advances or retrogressing runs into obstruction, the effect that described Compress Spring is subject to axial thrust load is compressed, therefore, described pivoted arm 2 can be retracted towards vehicle body direction a segment distance (moving in the direction namely along cylinders retract).Like this, the pressure in cylinder barrel remains unchanged, and the elongation of cylinder rod remains unchanged, but but achieves the retraction of pivoted arm 2 certain distance.This further reduces the rigidity of described pivoted arm 2 and spray boom 6, make them when cut-through thing, increase a freedom of motion along cylinders retract direction, make the contact of described spray boom and obstruction more flexible, prevent obstruction to the damage of spray boom.
Although describe in detail invention has been in conjunction with the embodiments; but those skilled in the art are with being to be understood that; the present invention is not limited only to specific embodiment; on the contrary; do not exceeding the various corrections of the application's spirit and essence, distortion and replacement all drop among the protection domain of the application.
Claims (4)
1. two-wayly can keep away a high pressure sweeper spray bar mechanism for barrier, comprise telescopic cylinder, its one end is fixed by the bearing be fixed on suction nozzle assembly, and the other end is connected with pivoted arm, and flexible the completing that described pivoted arm can follow cylinder is stretched out and retracted; Institute's pivoted arm is also fixed with case, the groove that described suction nozzle assembly is offered along Telescopic-cylinder direction in addition, water circuit system is through described groove, and upwards penetrate described case, be connected with high pressure spray boom in described case, thus provide high-pressure fluid to described high pressure spray boom, described pivoted arm, case and spray boom are linked to be an entirety and can slide in described groove; Also offer ring-like window in the middle part of described case, described high pressure spray boom can stretch out and rotating in a circumferential direction along described case from described ring-like window; Keep away under also comprising barrier spring and on keep away barrier spring, keep away under wherein said and hinder the lower end of spring and insert in the hole that described pivoted arm bores, upper end is hooked in the root of described high pressure spray boom; The upper end keeping away barrier spring on described is inserted in the hole of described case upper end, and lower end is also hooked in the root of described high pressure spray boom; Keep away barrier spring under described and above keep away barrier spring applies rightabout applying respectively pretightning force to described high pressure spray boom, make can get back to original position after described high pressure spray boom rotates, it is characterized in that, described case comprises base, be provided with multiple bolt hole, by multiple corresponding bolt, described case be fixed on pivoted arm; Described case also comprises the opening upwards extended from described base, for the turnover of described spray boom; Described opening and described ring-like window UNICOM, described high pressure spray boom can complete certain angular turn and keep away barrier action to complete in described ring-like window.
2. two-wayly can keep away the high pressure sweeper spray bar mechanism of barrier as claimed in claim 1, it is characterized in that, in the hole of the upper end of described case, there is fastening devices, for fixing described on keep away the upper end of barrier spring; In the hole that described pivoted arm bores, there is fastening devices, for fixing described under keep away the lower end of barrier spring.
3. two-wayly can keep away the high pressure sweeper spray bar mechanism of barrier as claimed in claim 2, it is characterized in that, the radian of described ring-like window is greater than 180 degree, thus can realize the obstruction that described spray boom completes positive and negative 90 degree and walk quickly and keep away.
4. two-wayly can keep away the high pressure sweeper spray bar mechanism of barrier as claimed in claim 3, it is characterized in that, keep away under described barrier spring and on keep away hinder spring be torsionspring.
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Families Citing this family (5)
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CN105638389B (en) * | 2016-02-18 | 2019-04-16 | 中国农业科学院农田灌溉研究所 | A kind of Multi-functional self-actuated walks pergola on the city road irrigator |
CN107806047A (en) * | 2017-09-15 | 2018-03-16 | 长沙福田汽车科技有限公司 | Cleaning agency and vehicle |
CN110130259B (en) * | 2019-06-11 | 2024-06-14 | 内蒙古万琪机械加工股份有限公司 | Mine pavement water flushing type single-double channel cleaning spray rod |
CN110644359A (en) * | 2019-10-25 | 2020-01-03 | 郑州市建设工程质量检测有限公司 | A barrier circumvention device and machineshop car for bridge detects |
CN115644032A (en) * | 2022-10-31 | 2023-01-31 | 福龙马集团股份有限公司 | Intelligent remote green plant watering vehicle and operation method thereof |
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Effective date of registration: 20151105 Address after: 221000 east section of north section of 104 National Road, Jiangsu, Xuzhou Applicant after: XUZHOU XUGONG ENVIRONMENT TECHNOLOGY CO., LTD. Address before: 221004 Xuzhou Province Economic Development Zone, the blue mountain road, No. 55, No. Applicant before: Zuzhou Xugong Lorry-mounted Crane Co., Ltd. |
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