CN104528400B - A kind of place clearing apparatus - Google Patents
A kind of place clearing apparatus Download PDFInfo
- Publication number
- CN104528400B CN104528400B CN201510001903.6A CN201510001903A CN104528400B CN 104528400 B CN104528400 B CN 104528400B CN 201510001903 A CN201510001903 A CN 201510001903A CN 104528400 B CN104528400 B CN 104528400B
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- Prior art keywords
- gateway
- reversal valve
- oil
- oil cylinder
- broom
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
Abstract
The invention discloses a kind of place clearing apparatus, including the walking mechanism containing organic frame and wheel, also include the diesel engine with fuel tank and hydraulic pump, power set and sweep disk device, wherein, diesel engine and power set are connected in frame, sweep disk device to be connected on power set, the rotation of disk device is swept in power set driving.The place clearing apparatus, can be cleaned by plant equipment to place, improve sweeping efficiency.
Description
Technical field
The present invention relates to a kind of clearing apparatus, it particularly relates to a kind of place clearing apparatus.
Background technology
The grain of one-man service's production in the past is few, can carry out cleaning recovery by the artificial grain to drying completely.But
It is that, with the development of agricultural modernization, soil is constantly by concentrative operation.The drying of grain is also constantly concentrated and carried out.So, threshing ground
Area also constantly expand.If still going to clean cereal crops by artificial, operating efficiency requirement can not have been met.Manpower
Sweeping efficiency is low, and labor intensity is big, and present production needs can not have been met.Meanwhile, when meeting with sleety weather, by artificial
Go to clean place, it is impossible to meet the time requirement cleaned in time, be unfavorable for the collection of cereal crops, often cause cereal crops
Damage.
The content of the invention
Technical problem：The technical problems to be solved by the invention are：A kind of place clearing apparatus is provided, machinery can be passed through
Equipment is cleaned to place, improves sweeping efficiency.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of place clearing apparatus, including the walking mechanism containing organic frame and wheel, in addition to fuel tank and hydraulic pump
Diesel engine, power set and sweep disk device, wherein, diesel engine and power set are connected in frame, sweep disk device company
It is connected on power set, the rotation of disk device is swept in power set driving.
Further, described power set include ball valve, oil cylinder, reversal valve and motor；Ball valve, oil cylinder and reversal valve difference
It is connected in frame, the output shaft of oil cylinder is connected with swinging mounting, and swinging mounting is connected in frame by bearing, motor connection
On swinging mounting；The entrance of the outlet of fuel tank and hydraulic pump is connected, and the outlet of hydraulic pump is divided into two branch roads, a branch road with
The entrance of the entrance connection of ball valve, another branch road and motor is connected；The outlet of ball valve and the first entrance of reversal valve are connected, and are changed
The first entrance of first outlet and fuel tank to valve is connected, and the first gateway of reversal valve and the first gateway of oil cylinder are connected,
Second gateway of reversal valve and the second gateway of oil cylinder are connected；The outlet of motor is connected with being connected the second entrance of fuel tank.
Further, described disk device of sweeping includes positioning disk and broom, the drive shaft that positioning disk passes through shaft coupling and motor
Connection, broom is connected on positioning disk.
Further, described disk device of sweeping also includes sleeve, mounting cylinder and connecting rod, and sleeve lining is provided with internal thread,
Drive shaft surface be provided with external screw thread, sleeve set on the driving shaft, and sleeve internal thread and drive shaft external screw thread coordinate；Peace
One end of fitted tube is riveted on positioning disk, and the other end of mounting cylinder is riveted on connecting rod one end, the other end riveting of connecting rod
On the outer wall of sleeve；Broom is fixedly connected on mounting cylinder.
Further, described disk device of sweeping also includes rotating disk, and rotating disk is fixedly connected on the top of sleeve.
Further, described place clearing apparatus, in addition to two bearings, bearing holder (housing, cover) are filled on the driving shaft, and bearing is logical
Connector is crossed to be connected in frame.
Further, described place clearing apparatus, in addition to scraper plate, scraper plate is fixedly connected on frame lower, and scraper plate position
In front of broom, scraper plate is inclined, and along the direction of rotation of broom, the angle from walking mechanism axis to scraper plate is sharp
Angle.
Further, the drive shaft of described motor, which is tilted, lays.
Beneficial effect：Compared with prior art, technical scheme has the advantages that：
(1) sweeping efficiency is high.A kind of place clearing apparatus of the present invention includes the walking mechanism containing organic frame and wheel, band
There are the diesel engine of fuel tank and hydraulic pump, power set and sweep disk device.The place clearing apparatus of said structure, walking mechanism is being treated
Walked on the place of cleaning.During walking mechanism is walked, the disk device of sweeping positioned at frame rear portion is cleaned to place.
Oil in fuel tank enters in hydraulic pump, then from hydraulic pump enters motor, the oil in motor is back in fuel tank, is circulated according to this.When
Oil is from hydraulic pump enters motor, starter motor, the drive shaft rotation of motor, so as to drive the disk of sweeping of connection on the driving shaft to fill
Put rotation.The broom swept on disk device is cleaned to place, and crop is cleaned and is deposited in side.So, just set using machinery
Standby realize is cleaned that there is provided operating efficiency to the cereal crops on place.
(2) broom can be at collapsed state, be easy to walking.At the end of cleaning, to avoid the broom of deployed condition to week
Enclose and cause interference, it is necessary to pack up broom.Rotational sleeve, sleeve is moved up along drive shaft, and sleeve drives connecting rod to moving up
Dynamic, connecting rod drives mounting cylinder to rotate.Mounting cylinder is rotated to sleeve direction, so as to drive broom to be packed up to sleeve direction.When sweeping
When broom is in collapsed state, broom does not cause interference to surrounding, does not influence place clearing apparatus normally to walk.Filled when place is cleaned
Put need carry out place cleaning when, opposite direction rotational sleeve so that broom be in deployed condition, to be cleaned to place.
(3) effect is cleaned good.The clearing apparatus in the place of the present invention also includes scraper plate, and scraper plate is fixedly connected under frame
Portion, and scraper plate is located at broom front.If the crop thickness on place is larger, when going to clean by broom, one side efficiency
It is low, on the other hand it is difficult to clean up.By setting scraper plate, before broom cleaning, crop push away using scraper plate to sweep, so
Broom is recycled to clean place afterwards.Which reduce the homework burden of broom.Scraper plate and broom are combined, place is cleaned,
Cleaning effect is improved, the operation life-span of broom is also extended.
(4) angular adjustment facility is cleaned.Swinging mounting is provided with the present invention, output shaft and the swinging mounting of oil cylinder connect
Connect, swinging mounting is connected in frame by bearing, motor is connected on swinging mounting.In the present invention, ball valve, fuel tank are opened
In oil enter hydraulic pump in, by ball valve enter reversal valve in, the first gateway of reversal valve and the first gateway of oil cylinder
Connection, the second gateway of reversal valve is connected with the second gateway of oil cylinder, and oil flows in reversal valve and oil cylinder, finally by
Reversal valve oil return is into fuel tank.In the process, oil circuit has two kinds of situations.The first situation：Oil passes sequentially through the of reversal valve
One gateway, the first gateway of oil cylinder, the second gateway of the second gateway of oil cylinder and reversal valve, are finally returned from reversal valve
Oil is into fuel tank.Second case：Oil passes sequentially through the second gateway of reversal valve, the second gateway of oil cylinder, the of oil cylinder
One gateway and the first gateway of reversal valve, finally from reversal valve oil return into fuel tank.In above two situation, oil cylinder
Output shaft driving swinging mounting is rotated.Because motor is connected on swinging mounting, sweeps disk device and be connected on motor, so sweeping disk
Device is also rotated with swinging mounting.Under two kinds of situations, it is in opposite direction that driving swinging mounting is rotated.Therefore, according to actual needs,
By controlling oil flow direction in reversal valve and oil cylinder, the angle on broom and ground can be adjusted.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation that disk device and motor connection are swept in the present invention.
Fig. 3 is structure chart when broom is in collapsed state in the present invention.
Fig. 4 is total connection block diagram of oil circuit in the present invention.
During Fig. 5 is the present invention, oil circuit connection block diagram during in neutral position state.
During Fig. 6 is the present invention, sweep disk device it is in running order when oil circuit connection block diagram.
During Fig. 7 is the present invention, oil circuit connection block diagram during regulation broom angle.
Have in figure：Frame 1, wheel 2, fuel tank 3, sweep disk device 4, hydraulic pump 5, ball valve 6, oil cylinder 7, reversal valve 8, motor 9,
Shaft coupling 10, drive shaft 11, scraper plate 12, swinging mounting 13, positioning disk 401, broom 402, sleeve 403, mounting cylinder 404, connection
Bar 405, rotating disk 406, output shaft 701.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is described in detail
As shown in Figure 1, Figure 2 and Figure 4, a kind of place clearing apparatus of the invention, including the row containing organic frame 1 and wheel 2
Walk mechanism, the diesel engine with fuel tank 3 and hydraulic pump 5, power set and sweep disk device 4.Diesel engine and power set connect respectively
It is connected in frame 1, sweeps disk device 4 and be connected on power set, power set driving is swept disk device 4 and rotated.Wherein, power set
Including ball valve 6, oil cylinder 7, reversal valve 8 and motor 9；Ball valve 6, oil cylinder 7 and reversal valve 8 are connected in frame 1, oil cylinder 7
Output shaft 701 is connected with swinging mounting 13, and swinging mounting 13 is connected in frame 1 by bearing, and motor 9 is connected to swinging mounting
On 13；The outlet of fuel tank 3 is connected with the entrance of hydraulic pump 5, and the outlet of hydraulic pump 5 is divided into two branch roads, a branch road and ball valve 6
Entrance connection, another branch road is connected with the entrance of motor 9；The outlet of ball valve 6 is connected with the first entrance of reversal valve 8, is changed
It is connected to the first outlet of valve 8 with the first entrance of fuel tank 3, the first gateway of reversal valve 8 connects with the first gateway of oil cylinder 7
Connect, the second gateway of reversal valve 8 is connected with the second gateway of oil cylinder 7；The outlet of motor 9 enters with being connected the second of fuel tank 3
Mouth connection.Sweeping disk device 4 includes positioning disk 401 and broom 402, the drive shaft 11 that positioning disk 401 passes through shaft coupling 10 and motor 9
Connection, broom 402 is connected on positioning disk 401.
The place clearing apparatus of said structure, walking mechanism is walked on place to be cleaned, manually controls the speed of travel.
During walking mechanism is walked, the disk device 4 of sweeping positioned at the rear portion of frame 1 is cleaned to place.So, machinery is just utilized
Equipment, which is realized, is cleaned that there is provided operating efficiency to the cereal crops on place.
As shown in figure 5, in the place clearing apparatus of the present invention, before whole device startup, ball valve 6 is in and opens shape
State.Neutral position state, hydraulic oil idle loop are now in, oil circulation route is：Oil in fuel tank 3 enters in hydraulic pump 5, leads to
Cross ball valve 6 to enter in reversal valve 8, by the oil return of reversal valve 8 into fuel tank 3, circulate according to this.
As shown in fig. 6, when needing to clean place, closing ball valve 6, oil circulation route is：Oil in fuel tank 3 enters liquid
In press pump 5, then from the entrance motor 9 of hydraulic pump 5, the oil in motor 9 is back in fuel tank 3, is circulated according to this.When oil is from hydraulic pump 5
Into in motor 9, starter motor 9, the drive shaft 11 of motor 9 is rotated, and disk device 4 is swept so as to drive and be connected in drive shaft 11
Rotation.The broom 402 swept on disk device 4 is cleaned to place, and crop is cleaned and is deposited in side, then again by artificial or
The crop of accumulation is collected by person's equipment.
As shown in fig. 7, during place is cleaned, when needing that broom 402 and the angle on ground are adjusted, with complete
Into the task of cleaning, it is to avoid when omitting excessive crop, oil circulation route is：The oil opened in ball valve 6, fuel tank 3 enters hydraulic pressure
In pump 5, entered by ball valve 6 in reversal valve 8, the first gateway of reversal valve 8 is connected with the first gateway of oil cylinder 7, commutation
Second gateway of valve 8 is connected with the second gateway of oil cylinder 7, and oil flows in reversal valve 8 and oil cylinder 7, finally by commutation
The oil return of valve 8 is into fuel tank 3.In the process, oil circuit has two kinds of situations.The first situation：Oil is from the first gateway of reversal valve 8
Outflow, flows out into the first gateway of oil cylinder 7, then from the second gateway of oil cylinder 7, into the second gateway of reversal valve 8,
Finally from the oil return of reversal valve 8 into fuel tank 3.Second case：Oil flows out from the second gateway of reversal valve 8, into oil cylinder 7
Second gateway, then flowed out from the first gateway of oil cylinder 7, into the first gateway of reversal valve 8, finally from reversal valve 8 times
Oil is into fuel tank 3.In above two situation, the driving swinging mounting 13 of output shaft 701 of oil cylinder 7 is rotated.Because motor 9 is connected
On swinging mounting 13, sweep disk device 4 and be connected on motor 9, also rotated so sweeping disk device 4 with swinging mounting 13.Two kinds of feelings
Under shape, it is in opposite direction that driving swinging mounting 13 is rotated.Therefore, according to actual needs, by controlling oil in reversal valve 8 and oil cylinder
Flow direction in 7, the angle that can adjust broom 402 and ground becomes big or diminished.
In aforementioned structure, sweep disk device 4 and be stationarily connected in the drive shaft 11 of motor 9, without modulability.The structure
When needing to clean place, the purpose of cleaning can be no doubt played.But when that need not clean, sweep the broom on disk device 4
Still it is laid in and is swept on disk device 4 in deployed condition, space-consuming area is big, is unfavorable for the walking of place clearing apparatus, especially
It is that, in non-airing field ground, when around having barrier, the normal walking of place clearing apparatus can be prevented.To solve the problem, such as
Shown in Fig. 2 and Fig. 3, sweeping disk device 4 also includes sleeve 403, mounting cylinder 404 and connecting rod 405, and the inwall of sleeve 403 is provided with interior
Screw thread, the surface of drive shaft 11 is provided with external screw thread, and sleeve 403 is sleeved in drive shaft 11, and the internal thread and drive shaft of sleeve 403
11 external screw thread coordinates.Sleeve 403 is located at the top of positioning disk 401.Positioning disk 401 is fixedly connected in drive shaft 11, mounting cylinder
404 one end is riveted on positioning disk 401, and the other end of mounting cylinder 404 is riveted on the one end of connecting rod 405, connecting rod 405
The other end is riveted on the outer wall of sleeve 403；Broom 402 is fixedly connected on mounting cylinder 404.
In normal cleaning process, broom 402 is in deployed condition, for being cleaned to place.Terminate in cleaning
When, to avoid 402 pairs of surroundings of broom of deployed condition from causing interference, it is necessary to pack up broom.Now, rotational sleeve 403, sleeve
403 move up along drive shaft 11, and sleeve 403 drives connecting rod 405 to move up, and connecting rod 405 drives 404 turns of mounting cylinder
It is dynamic.Mounting cylinder 404 is rotated around the riveting point of itself and positioning disk 401.Mounting cylinder 404 is rotated to the direction of sleeve 403, is swept so as to drive
Broom 402 is packed up to the direction of sleeve 403.When broom 402 is in collapsed state, interference is not caused to surrounding, does not influence place to clean
When device is normally walked, just stop operating sleeve 403.When place clearing apparatus needs to carry out place cleaning, then opposite direction turns
Moving sleeve 403 so that broom 402 is in deployed condition, to be cleaned to place.For ease of the rotation of sleeve 403, in sleeve
403 top sets rotating disk 406.So, manually it is easy for, by manipulating rotating disk 406, realizing the rotation to sleeve 403.
Further, described place clearing apparatus, in addition to two bearings, bearing holder (housing, cover) is in drive shaft 11, and bearing
It is connected to by connector in frame 1.Because broom 402 is long, according to lever principle, the strength ratio that drive shaft 11 is born
It is larger.The setting of duplex bearing, greatly strengthen the stability of drive shaft 11, it is not easy to damage drive shaft 11 and bearing, greatly
Extend service life.
Further, the clearing apparatus in described place also includes scraper plate 12, and scraper plate 12 is fixedly connected on the bottom of frame 1, and
Scraper plate 12 is located at the front of broom 402, and scraper plate 12 is inclined, along the direction of rotation of broom 402, from walking mechanism axis to
The angle of scraper plate 12 is acute angle.If the crop thickness on place is larger, when going to clean by broom 402, one side efficiency
It is low, on the other hand it is difficult to clean up.In this preference, before the cleaning of broom 402, crop is pushed away by scraper plate 12
Sweep.If scraper plate 12 is a to the distance on ground, the height of crop top surface to ground is b.As b >=a, scraper plate 12 by (b-a) height
Crop push away and be swept to side, then broom 402 is cleaned to side to the crop of a height.As b ＜ a, broom 402 is to b height
Crop is cleaned to side, and scraper plate 12 does not work.By rationally setting a values, cleaning effect can be improved.Preferably, a values are
Less than 2 centimetres.This preference, scraper plate 12 and broom 402 are combined, place is cleaned, cleaning effect is improved.
Further, the drive shaft 11 of described motor 9, which is tilted, lays.When drive shaft 11, which is tilted, to be laid, broom 402 is also in
Heeling condition, is conducive to cleaning place., can be by controlling oil circuit when place need not be cleaned so that drive shaft 11 is in
Vertical state.
Using the device of the present invention, a 20000m is cleaned2Cement court area, as long as one artificial 1 hour can be complete
Into.And, it is necessary to 4 hand sweepings 3 hours when completely by being accomplished manually.Therefore, clearing apparatus of the invention is greatly improved
Sweeping efficiency.
The basic principles, principal features and advantages of the present invention have been shown and described above.Those skilled in the art should
Understand, the present invention do not limited by above-mentioned specific embodiment, the description in above-mentioned specific embodiment and specification be intended merely into
One step illustrate the present invention principle, without departing from the spirit and scope of the present invention, the present invention also have various change and
Improve, these changes and improvements all fall within the protetion scope of the claimed invention.The scope of protection of present invention will by right
Ask book and its equivalent thereof.
Claims (4)
1. a kind of place clearing apparatus, including the walking mechanism containing organic frame (1) and wheel (2), it is characterised in that also including band
There are the diesel engine of fuel tank (3) and hydraulic pump (5), power set and sweep disk device (4), wherein, diesel engine and power set difference
It is connected in frame (1), sweeps disk device (4) and be connected on power set, disk device (4) rotation is swept in power set driving；
Described power set include ball valve (6), oil cylinder (7), reversal valve (8) and motor (9)；Ball valve (6), oil cylinder (7) and change
It is connected to valve (8) in frame (1), the output shaft (701) of oil cylinder (7) is connected with swinging mounting (13), swinging mounting
(13) it is connected to by bearing in frame (1), motor (9) is connected on swinging mounting (13)；The outlet of fuel tank (3) and hydraulic pump
(5) entrance connection, the outlet of hydraulic pump (5) is divided into two branch roads, and a branch road is connected with the entrance of ball valve (6), another
Branch road is connected with the entrance of motor (9)；The outlet of ball valve (6) is connected with the first entrance of reversal valve (8), and the of reversal valve (8)
One outlet is connected with the first entrance of fuel tank (3), and the first gateway of reversal valve (8) is connected with the first gateway of oil cylinder (7),
Second gateway of reversal valve (8) is connected with the second gateway of oil cylinder (7)；The outlet of motor (9) is with being connected the of fuel tank (3)
Two entrances are connected；
The oil opened in ball valve, fuel tank enters in hydraulic pump, is entered by ball valve in reversal valve, oil circuit has two kinds of situations, first
Plant situation：Oil passes sequentially through the first gateway of reversal valve, the first gateway of oil cylinder, the second gateway of oil cylinder and reversal valve
The second gateway, finally from reversal valve oil return into fuel tank；Second case：Oil passes sequentially through the second discrepancy of reversal valve
Mouth, the second gateway of oil cylinder, the first gateway of the first gateway of oil cylinder and reversal valve, finally from reversal valve oil return to oil
In case；In two kinds of situations, the output shaft driving swinging mounting rotation direction of oil cylinder is opposite；
Described disk device (4) of sweeping includes positioning disk (401) and broom (402), and positioning disk (401) passes through shaft coupling (10) and horse
Drive shaft (11) up to (9) is connected, and broom (402) is connected on positioning disk (401)；
Described device also includes scraper plate (12), and scraper plate (12) is fixedly connected on frame (1) bottom, and scraper plate (12) is located at broom
(402) front, scraper plate (12) is inclined, along the direction of rotation of broom (402), from walking mechanism axis to scraper plate (12)
Angle be acute angle；
Described disk device (4) of sweeping also includes on sleeve (403), mounting cylinder (404) and connecting rod (405), sleeve (403) inwall
Provided with internal thread, drive shaft (11) surface is provided with external screw thread, and sleeve (403) is sleeved in drive shaft (11), and sleeve (403)
Internal thread and the external screw thread of drive shaft (11) coordinate；One end of mounting cylinder (404) is riveted on positioning disk (401), mounting cylinder
(404) the other end is riveted on connecting rod (405) one end, and the other end of connecting rod (405) is riveted on the outer wall of sleeve (403)
On；Broom (402) is fixedly connected on mounting cylinder (404).
2. according to the place clearing apparatus described in claim 1, it is characterised in that described disk device (4) of sweeping also includes rotation
Disk (406), rotating disk (406) is fixedly connected on the top of sleeve (403).
3. according to the place clearing apparatus described in claim 1, it is characterised in that also including two bearings, bearing holder (housing, cover) is mounted in drive
On moving axis (11), and bearing is connected in frame (1) by connector.
4. according to the place clearing apparatus described in claim 1, it is characterised in that the drive shaft (11) of described motor (9) is inclined
Tiltedly lay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001903.6A CN104528400B (en) | 2015-01-04 | 2015-01-04 | A kind of place clearing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001903.6A CN104528400B (en) | 2015-01-04 | 2015-01-04 | A kind of place clearing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104528400A CN104528400A (en) | 2015-04-22 |
| CN104528400B true CN104528400B (en) | 2017-08-01 |
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ID=52844100
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001903.6A Active CN104528400B (en) | 2015-01-04 | 2015-01-04 | A kind of place clearing apparatus |
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| Country | Link |
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| CN (1) | CN104528400B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697974B (en) * | 2017-01-06 | 2018-09-04 | 长江大学 | A kind of cereal collection device for harvester |
| CN108419532A (en) * | 2018-03-29 | 2018-08-21 | 邹永平 | Threshing ground grain sweeps entrucking |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114544A (en) * | 2013-02-06 | 2013-05-22 | 徐州天瑞环保设备科技有限公司 | Self-propelled type grain scavenging machine |
| CN203807988U (en) * | 2014-01-23 | 2014-09-03 | 陈浩 | Road sweeper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085811U (en) * | 1990-12-30 | 1991-10-02 | 德惠县老家粮库 | Cleaner |
| CN2100416U (en) * | 1991-04-29 | 1992-04-01 | 马再武 | Road sweeper |
| BR9601829A (en) * | 1996-06-13 | 1998-09-29 | Prata 1000 Ind E Comercio Ltda | Soil seed harvesting platform for grain harvesters |
| CN204369144U (en) * | 2015-01-04 | 2015-06-03 | 滨海县恒丰粮食机械有限公司 | A kind of place clearing apparatus |
-
2015
- 2015-01-04 CN CN201510001903.6A patent/CN104528400B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114544A (en) * | 2013-02-06 | 2013-05-22 | 徐州天瑞环保设备科技有限公司 | Self-propelled type grain scavenging machine |
| CN203807988U (en) * | 2014-01-23 | 2014-09-03 | 陈浩 | Road sweeper |
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|---|---|
| CN104528400A (en) | 2015-04-22 |
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