CN203808000U - Disc brush mechanism for snow sweeper - Google Patents

Disc brush mechanism for snow sweeper Download PDF

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Publication number
CN203808000U
CN203808000U CN201420198533.0U CN201420198533U CN203808000U CN 203808000 U CN203808000 U CN 203808000U CN 201420198533 U CN201420198533 U CN 201420198533U CN 203808000 U CN203808000 U CN 203808000U
Authority
CN
China
Prior art keywords
disc brush
snow removing
removing vehicle
disc
snow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420198533.0U
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Chinese (zh)
Inventor
宋永刚
周吉
徐蛟龙
雷伟伟
屈孝和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
Original Assignee
Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN201420198533.0U priority Critical patent/CN203808000U/en
Application granted granted Critical
Publication of CN203808000U publication Critical patent/CN203808000U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the field of snow sweepers, and particularly relates to a disc brush mechanism for a snow sweeper. The disc brush mechanism can extend outwards and is reasonable in structure, convenient to mount and good in sweeping effect. The disc brush mechanism comprises a plurality of disc brushes which are arranged on a chassis of the snow sweeper and are arranged in a stepped mode, and each disc brush comprises a rotating shaft which is mounted on the chassis of the snow sweeper and can horizontally rotate, a disc brush support connecting rod hinged to the rotating shaft and capable of vertically rotating, a mounting plate hinged to the disc brush support connecting rod and capable of vertically rotating, and a disc brush connecting seat fixedly connected to the mounting plate. A bristle body used for sweeping snow is arranged on the lower portion of each disc brush connecting seat, and a hydraulic motor capable of driving the bristle bodies to rotate is arranged on the upper portions of the disc brush connecting seats. A telescopic hydraulic oil cylinder is connected to the disc brush support connecting rods and is fixed on the chassis of the snow sweeper in the mode that the axis of the hydraulic oil cylinder forms an included angle with the horizontal direction of the ground, and the hydraulic oil cylinder and the hydraulic motor are connected with a snow sweeper hydraulic system.

Description

A kind of disc brush mechanism for snow removing vehicle
Technical field
The utility model belongs to snow removing vehicle field, is specifically related to a kind of disc brush mechanism for snow removing vehicle.
Background technology
Nowadays, the snow removing vehicle of the various models of producing both at home and abroad, is main mainly with snow pushing with shoveling snow, re-uses in addition the accumulated snow that other equipment and device processing accumulation are got up.Because the sharpness of perching knife, so in the process of snow pushing and shovel snow, perching knife can not contact road surface, therefore inevitably remaining on road surface have ice and snow, and snow removing vehicle self can not be removed, and residual ice and snow can only lean on salting or Snow Agent to make its thawing.Due to a large amount of uses of Snow Agent, also can be to environment.The application of disc brush is also confined on pavement cleaning vehicle, and aspect removing ice and snow on road surfaces, on snow removing vehicle, application seldom.
Summary of the invention
In order to solve the problems of the prior art, the utility model proposes a kind of can be overhanging, rational in infrastructure, easy for installation, clean the effective disc brush mechanism for snow removing vehicle.
In order to realize above object, the technical scheme that the utility model adopts is: several disc brushes that comprise the stepped arrangement being arranged on snow removing vehicle chassis, described disc brush includes and is arranged on snow removing vehicle chassis and the rotating shaft that can horizontally rotate, with rotating shaft hinged can vertical rotation disc brush rack rod, with disc brush rack rod hinged can vertical rotation installing plate, and the disc brush Connection Block being fixedly connected with installing plate, disc brush Connection Block bottom is provided with the body brush for removing the snow, disc brush Connection Block top is provided with the hydraulic motor that can drive body brush rotation,
On described disc brush rack rod, be connected with can be flexible hydraulic jack, hydraulic jack axis and ground level direction have on the chassis that is fixed on snow removing vehicle of angle, described hydraulic jack is all connected with snow removing vehicle hydraulic system with hydraulic motor.
Described disc brush rack rod top be provided with simultaneously with rotating shaft and installing plate hinged can vertical rotation disc brush angular adjustment bar, and in vertical plane, form quadric chain with disc brush rack rod, rotating shaft and installing plate.
Described disc brush angular adjustment bar is the adjusting rod that length can regulate.
Described hydraulic jack is connected by the ball pivot mount pad being fixedly mounted on disc brush rack rod with disc brush rack rod.
On described disc brush rack rod, be connected with for regulating the adjusting chain of disc brush ground pressure.
On described adjusting chain, be also connected with the regulating spring that is arranged on snow removing vehicle chassis.
In described rotating shaft, be provided with the block that prevents that disc brush rotational angle is excessive.
In described rotating shaft, be also provided with by adjusting length and prevent that disc brush from swinging excessive adjusting bolt laterally.
Described disc brush is at least four, and the geometric center of all disc brushes, and has angle between geometric center line and snow removing vehicle chassis frame longeron point-blank.
On described disc brush Connection Block, offer the adjustment hole that can regulate disc brush grounding degree.
Compared with prior art, the utility model is by the hydraulic jack arranging, and hydraulic jack axis and ground level direction have angle, utilizes telescopic band Moving plate brush rack rod upper and lower vertical rotation in rotating shaft of hydraulic jack, and then disc brush is moved up and down; Hydraulic jack drives rotating shaft to horizontally rotate by disc brush rack rod simultaneously, and then make disc brush realize horizontal movement, such design, make disc brush can carry out vertical and horizontal movement simultaneously, realize the overhanging of disc brush and inside contracted the function of withdrawal, by disc brush is arranged to arranged in step shape, realized relay cleaning simultaneously, had rational in infrastructure, easy for installation and clean the advantages such as effective.
Further, the utility model forms quadric chain by disc brush angular adjustment bar, disc brush rack rod, rotating shaft and installing plate in vertical plane, by regulating the length of disc brush angular adjustment bar, installing plate is rotated, and then drive disc brush mechanism to rotate the adjusting that is grounded angle.
Further, during snow removing vehicle work, outside disc brush is in extrusion position, fixed form according to disc brush in frame and propelling or draw line mode, utilize adjusting chain and regulating spring as Qi Bizhang mechanism, when disc brush the place ahead runs into obstacle and bumps, disc brush is under impact force effect, by adjusting chain and regulating spring, absorb collision energy, avoided the member that rigid impact may bring to damage.When snow removing vehicle moves on, body brush and disc brush rack rod under the effect of resistance, drive rotating shaft inwardly to rotate forwardly, and whole disc brush inwardly swings contraction, reduces the lateral dimension of snow removing vehicle, dodges obstruction, stretching regulating spring.When disc brush is by after obstacle, the place ahead resistance is reduced to normal condition, and the regulating spring being stretched restores to the original state and produces restoring force, and regulating spring pulls disc brush rack rod by adjusting chain, rotating shaft is outwards rotated, drive whole disc brush can be returned to normal operation position.
Further, along with the wearing and tearing of disc brush body brush, by adjusting chain and regulating spring, automatically regulate the ground pressure of disc brush, reach best cleaning effect.
Further, a plurality of disc brush of the present utility model, adopt ladder arrangement form, geometric center point-blank, and geometric center line and snow removing vehicle chassis frame longeron have angle, such design can not only be given full play to the cleaning function of disc brush structure of snow remover, the residual accumulated snow of road pavement cleans, can also realize relay cleaning function, the residual ice and snow being scattered in road surface, left side and middle part from snow removing vehicle direction of advance, all be swept into snow removing vehicle right side, concentrate on roadside, make ice and snow road pass through snow removing vehicle one-stop operation, just ice and snow on road surfaces can be removed thoroughly, reach the requirement that safety is open to traffic.
Further, the utility model rotating shaft place is provided with block, by the size of block is set when mounted, can effectively prevent that disc brush rotational angle is excessive, impact snow removing effect.
Further, the utility model is by regulating the length of rotating shaft place adjusting bolt, can avoid overhanging when long when hydraulic jack, and disc brush swings excessive laterally, does not reach the requirement of removing accumulated snow.
Further, the utility model can regulate the ground connection angle of disc brush by adjustment hole, reaches best cleaning effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model rotating shaft;
Fig. 3 is that the utility model is arranged on the top view on snow removing vehicle;
Wherein, 1-disc brush is installed soldering member; 2-rotating shaft; 3-disc brush angular adjustment bar; 4-ball pivot mount pad; 5-disc brush rack rod; 6-body brush; 7-disc brush Connection Block; 8-bolt; 9-hydraulic motor; 10-installing plate; 11-bearing pin component; 12-adjusting chain; 13-hydraulic jack; 14-axis pin base; 15-regulating spring; 2-1 is block; 2-2 is adjusting bolt; 2-3 is rotating shaft swivel plate.
The specific embodiment
Below in conjunction with embodiment, the utility model is described further.
Referring to Fig. 1 and Fig. 2, the utility model comprises at least four disc brushes of the stepped arrangement being arranged on snow removing vehicle chassis, all disc brush geometric centers point-blank, and geometric center line and snow removing vehicle chassis frame longeron have angle, disc brush includes the rotating shaft 2 that is arranged on snow removing vehicle chassis and can horizontally rotates, in rotating shaft 2, be provided with the block 2-1 that prevents that disc brush rotational angle is excessive, in rotating shaft 2, be also provided with by adjusting length and prevent that disc brush from swinging excessive adjusting bolt 2-2 laterally, with rotating shaft 2 be hinged with can vertical rotation disc brush rack rod 5, with disc brush rack rod 5 be hinged with can vertical rotation installing plate 10, disc brush rack rod 5 tops be provided with simultaneously with rotating shaft 2 and installing plate 10 hinged can vertical rotation disc brush angular adjustment bar 3, the adjusting rod that disc brush angular adjustment bar 3 can regulate for length, and with disc brush rack rod 5, rotating shaft 2 and installing plate 10 form quadric chain in vertical plane, on disc brush rack rod 5, be connected with for regulating the adjusting chain 12 of disc brush ground pressure, on adjusting chain 12, be also connected with the regulating spring 15 being arranged on snow removing vehicle chassis, and the disc brush Connection Block 7 being fixedly connected with installing plate 10, disc brush Connection Block 7 bottoms are provided with the body brush 6 for removing the snow, disc brush Connection Block 7 tops are provided with the hydraulic motor 9 that can drive body brush 6 rotations, on disc brush Connection Block 7, offer the adjustment hole that can regulate disc brush grounding degree.On disc brush rack rod 5, be connected with can be flexible hydraulic jack 13, hydraulic jack 13 is connected by the ball pivot mount pad 4 being fixedly mounted on disc brush rack rod 5 with disc brush rack rod 5, the end of hydraulic jack 13 is fixed on the chassis of snow removing vehicle, the axis of hydraulic jack 13 and ground level direction have 30~60 ° of left and right angles, and hydraulic jack 13 is all connected with snow removing vehicle hydraulic system with hydraulic motor 9.
As shown in Figure 1, rotating shaft 2 is arranged on the soldering member 1 that is fixed on snow removing vehicle chassis, and rotating shaft 2 is hinged with disc brush rack rod 5, and disc brush rack rod 5 can be rotated in the horizontal direction.In rotating shaft 2, be provided with block 2-1, by regulating the size of block 2-1, can effectively prevent that disc brush rotational angle is excessive, impact snow removing effect.Disc brush rack rod 5 one end are connected with the first rotating shaft swivel plate 2-3 bottom with bearing pin component, the other end is connected with disc brush Connection Block 7 bottoms with bearing pin component, disc brush angular adjustment bar 3 one end are connected with the swivel plate 2-3 top of rotating shaft 2, the other end is connected with disc brush Connection Block 7 tops, the length of disc brush angular adjustment bar 3 is adjustable, when its change in length, the angle of inclination of adjustable body brush 6.Disc brush rack rod 5, disc brush angular adjustment bar 3, rotating shaft 2 and installing plate 10 form a quadric chain in vertical plane, when hydraulic jack is flexible, just can make disc brush 2 rotations around the shaft.Body brush 6 and hydraulic motor 9 are arranged on disc brush Connection Block 7, and body brush 6 is positioned at hydraulic motor 7 bottoms.Insert in ball pivot mount pad 4 hydraulic jack 13 one end, make it rotatable, the other end is connected with axis pin base 14, axis pin base 14 is fixed on the chassis of snow removing vehicle, and ball pivot mount pad 4 is fixed on disc brush rack rod 5, hydraulic jack 13, hydraulic motor 9 are linked in the hydraulic system of snow removing vehicle by oil pipe.During work, hydraulic jack 13 stretches out, disc brush rack rod 5 is moved to outer lower side, to make disc brush Connection Block 7, body brush 6 decline, make disc brush rack rod 5 drive disc brush Connection Block 7 and disc brush body 62 to laterally rotate around the shaft simultaneously, make body brush 6 overhanging, make it reach the requirement of higher snow removing width.Under the drive of hydraulic motor 9, disc brush body 6 rotates and removes ice and snow on road surfaces; When snow removing vehicle quits work pattern, hydraulic motor 9 stops, disc brush body 6 stops the rotation simultaneously, hydraulic jack 13 shrinks disc brush rack rod 5 is risen, and disc brush rack rod 5, disc brush Connection Block 72 are turned to the inside around the shaft together with body brush 6, make disc brush assembly be recovered to bottom, snow removing vehicle chassis.By adjusting chain 12 and regulating spring 15, then coordinate disc brush angular adjustment bar 3, can realize the auto-compensation after body brush wearing and tearing, and angle of inclination and the ground pressure on can control body brush 6 work time and ground.
As shown in Figure 2, structure design for rotating shaft 2, when hydraulic jack 13 extends, disc brush assembly is 2 rotations laterally around the shaft, if it is long that hydraulic jack 13 extends, the anglec of rotation is excessive laterally can to cause disc brush, outside disc brush and the adjacent disc brush overlapping region of not removing the snow, now have accumulated snow residual, impact snow removing effect.For addressing this problem, in rotating shaft place, be provided with block 2-1 and adjusting bolt 2-2, by regulating the length of adjusting bolt 2-2, with this, limit the excessive problem of the anglec of rotation of disc brush.
As shown in Figure 3, adopting four disc brushes is preferred plan, by four disc brush assemblies from snow removing vehicle left side to right side, be step arrangement, the geometric center of four disc brushes point-blank, and geometric center line and snow removing vehicle chassis frame longeron have the angle of 30~50 °, four disc brushes are fixed on snow removing vehicle chassis frame longeron successively, in order to realize relay cleaning.
During the utility model work, utilize Controlled by Programmable Controller hydraulic system electromagnetic valve, four hydraulic jacks 13 are stretched out falls disc brush group, press down and make it to rotate laterally disc brush rack rod 5, drive disc brush Connection Block 7 to decline and rotation laterally, body brush 6 kiss the earths, the adjustment length control body brush 6 of disc brush angular adjustment bar 3 and the slanted angle on ground, body brush 6 starts rotation under hydraulic motor 9 drives, and enters duty.Operating personnel are according to road snow situation, select engine speed, and body brush 6 is reached after different working speed, can start operation.After the end of job, press Controlled by Programmable Controller button, the control program of programmable logic controller, control hydraulic system electromagnetic valve, four hydraulic jacks 13 are regained disc brush rack rod 5 is risen and regained, disc brush Connection Block 7 is regained built on stilts together with body brush 6, be retracted to snow removing vehicle chassis frame bottom, hydraulic motor 9 stops the rotation simultaneously, and body brush 6 stops the rotation, power cut-off.
The utility model is by the hydraulic jack arranging, and hydraulic jack axis and ground level direction have angle, utilizes telescopic band Moving plate brush rack rod upper and lower vertical rotation in rotating shaft of hydraulic jack, and then disc brush is moved up and down; Hydraulic jack drives rotating shaft to horizontally rotate by disc brush rack rod simultaneously, and then make disc brush realize horizontal movement, such design, make disc brush vertical and horizontal movement simultaneously, realize the overhanging of disc brush and inside contracted the function of withdrawal, by disc brush is arranged to arranged in step shape, realized relay cleaning simultaneously, had rational in infrastructure, easy for installation and clean the advantages such as effective.
The utility model forms quadric chain by disc brush angular adjustment bar, disc brush rack rod, rotating shaft and installing plate in vertical plane, simultaneously by regulating the length of disc brush angular adjustment bar, and then drives the adjusting of disc brush winding machine ground connection angle.
Along with the wearing and tearing of disc brush bristle, by adjusting chain and regulating spring, automatically regulate the ground pressure of disc brush, reach best cleaning effect.
During snow removing vehicle work, outside disc brush is in extrusion position, fixed form according to disc brush in frame and propelling or draw line mode, utilize adjusting chain and regulating spring as Qi Bizhang mechanism, when disc brush the place ahead runs into obstacle and bumps, disc brush is under impact force effect, by adjusting chain and regulating spring, absorb collision energy, avoided the member that rigid impact may bring to damage.When snow removing vehicle moves on, body brush and disc brush rack rod under the effect of resistance, drive rotating shaft inwardly to rotate forwardly, and whole disc brush inwardly swings contraction, reduces the lateral dimension of snow removing vehicle, dodges obstruction, stretching regulating spring.When disc brush is by after obstacle, the place ahead resistance is reduced to normal condition, and the regulating spring being stretched restores to the original state and produces restoring force, and regulating spring pulls disc brush rack rod by adjusting chain, rotating shaft is outwards rotated, drive whole disc brush can be returned to normal operation position.
By the ground connection angle of the adjustable disc brush of adjustment hole, reach best cleaning effect.
By a plurality of disc brushes, adopt ladder arrangement form, geometric center point-blank, and geometric center line and snow removing vehicle chassis frame longeron have angle, such design can not only be given full play to the cleaning function of disc brush structure of snow remover, the residual accumulated snow of road pavement cleans, can also realize relay cleaning function, the residual ice and snow being scattered in road surface, left side and middle part from snow removing vehicle direction of advance, all be swept into snow removing vehicle right side, concentrate on roadside, make ice and snow road pass through snow removing vehicle one-stop operation, just ice and snow on road surfaces can be removed thoroughly, reach the requirement that safety is open to traffic.
Rotating shaft place is provided with block, by regulating the size of block, has limited the rotational angle of rotating shaft, can effectively prevent that disc brush rotational angle is excessive, impact snow removing effect.
By regulating the length of rotating shaft place adjusting bolt, rotating shaft can be limited in to fixing scope of activities, can avoid overhanging when long when hydraulic jack, disc brush swings excessive laterally, does not reach the problem of removing requirement.

Claims (10)

1. the disc brush mechanism for snow removing vehicle, it is characterized in that: several disc brushes that comprise the stepped arrangement being arranged on snow removing vehicle chassis, described disc brush includes and is arranged on snow removing vehicle chassis and the rotating shaft that can horizontally rotate (2), with rotating shaft (2) hinged can vertical rotation disc brush rack rod (5), with disc brush rack rod (5) hinged can vertical rotation installing plate (10), and the disc brush Connection Block (7) being fixedly connected with installing plate (10), disc brush Connection Block (7) bottom is provided with the body brush (6) for removing the snow, disc brush Connection Block (7) top is provided with the hydraulic motor (9) that can drive body brush (6) rotation,
On described disc brush rack rod (5), be connected with can be flexible hydraulic jack (13), the end of hydraulic jack (13) is fixed on the chassis of snow removing vehicle, axis and the ground level direction of hydraulic jack (13) have angle, and described hydraulic jack (13) is all connected with snow removing vehicle hydraulic system with hydraulic motor (9).
2. a kind of disc brush mechanism for snow removing vehicle according to claim 1, it is characterized in that: described disc brush rack rod (5) top be provided with simultaneously with rotating shaft (2) and installing plate (10) hinged can vertical rotation disc brush angular adjustment bar (3), and in vertical plane, form quadric chain with disc brush rack rod (5), rotating shaft (2) and installing plate (10).
3. a kind of disc brush mechanism for snow removing vehicle according to claim 2, is characterized in that: the adjusting rod that described disc brush angular adjustment bar (3) can regulate for length.
4. a kind of disc brush mechanism for snow removing vehicle according to claim 1 and 2, is characterized in that: described hydraulic jack (13) is connected by the ball pivot mount pad (4) being fixedly mounted on disc brush rack rod (5) with disc brush rack rod (5).
5. a kind of disc brush mechanism for snow removing vehicle according to claim 1 and 2, is characterized in that: on described disc brush rack rod (5), be connected with the adjusting chain (12) for regulating disc brush ground pressure.
6. a kind of disc brush mechanism for snow removing vehicle according to claim 5, is characterized in that: on described adjusting chain (12), be also connected with the regulating spring (15) that is arranged on snow removing vehicle chassis.
7. a kind of disc brush mechanism for snow removing vehicle according to claim 1 and 2, is characterized in that: in described rotating shaft (2), be provided with and prevent the excessive block of disc brush rotational angle (2-1).
8. a kind of disc brush mechanism for snow removing vehicle according to claim 7, is characterized in that: in described rotating shaft (2), be also provided with by adjusting length and prevent that disc brush from swinging excessive adjusting bolt (2-2) laterally.
9. a kind of disc brush mechanism for snow removing vehicle according to claim 1, is characterized in that: described disc brush is at least four, and the geometric center of all disc brushes, and has angle between geometric center line and snow removing vehicle chassis frame longeron point-blank.
10. a kind of disc brush mechanism for snow removing vehicle according to claim 1, is characterized in that: on described disc brush Connection Block (7), offer the adjustment hole that can regulate disc brush grounding degree.
CN201420198533.0U 2014-04-22 2014-04-22 Disc brush mechanism for snow sweeper Expired - Fee Related CN203808000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420198533.0U CN203808000U (en) 2014-04-22 2014-04-22 Disc brush mechanism for snow sweeper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420198533.0U CN203808000U (en) 2014-04-22 2014-04-22 Disc brush mechanism for snow sweeper

Publications (1)

Publication Number Publication Date
CN203808000U true CN203808000U (en) 2014-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420198533.0U Expired - Fee Related CN203808000U (en) 2014-04-22 2014-04-22 Disc brush mechanism for snow sweeper

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245563A (en) * 2016-09-30 2016-12-21 徐工集团工程机械有限公司 The clearing apparatus of a kind of road sweeper and road sweeper
CN108729393A (en) * 2017-04-20 2018-11-02 上海神舟汽车节能环保股份有限公司 A kind of slideway and the rotation mechanism that spins
CN110424309A (en) * 2019-07-11 2019-11-08 安徽彩丰刷业有限公司 Clean road environmental sanitation cleaning brush
CN111749168A (en) * 2020-07-11 2020-10-09 于百林 Sweeping plate of road sweeper
CN113186863A (en) * 2021-04-20 2021-07-30 北京科技大学 Rear bracket and snow pressing vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245563A (en) * 2016-09-30 2016-12-21 徐工集团工程机械有限公司 The clearing apparatus of a kind of road sweeper and road sweeper
CN106245563B (en) * 2016-09-30 2019-12-24 徐工集团工程机械有限公司 Sweeping device of road sweeper and road sweeper
CN108729393A (en) * 2017-04-20 2018-11-02 上海神舟汽车节能环保股份有限公司 A kind of slideway and the rotation mechanism that spins
CN108729393B (en) * 2017-04-20 2024-02-06 上海神舟汽车节能环保股份有限公司 Slide and self-rotating mechanism
CN110424309A (en) * 2019-07-11 2019-11-08 安徽彩丰刷业有限公司 Clean road environmental sanitation cleaning brush
CN111749168A (en) * 2020-07-11 2020-10-09 于百林 Sweeping plate of road sweeper
CN113186863A (en) * 2021-04-20 2021-07-30 北京科技大学 Rear bracket and snow pressing vehicle

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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: 20140903

Termination date: 20160422

CF01 Termination of patent right due to non-payment of annual fee