CN110369253A - A kind of road and bridge construction Sand screen - Google Patents
A kind of road and bridge construction Sand screen Download PDFInfo
- Publication number
- CN110369253A CN110369253A CN201910589350.9A CN201910589350A CN110369253A CN 110369253 A CN110369253 A CN 110369253A CN 201910589350 A CN201910589350 A CN 201910589350A CN 110369253 A CN110369253 A CN 110369253A
- Authority
- CN
- China
- Prior art keywords
- husky
- sieve
- sieves
- road
- net
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4654—Corrugated Screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of road and bridge construction Sand screens, belong to Architectural Equipment technical field, it solves and sieves husky difficulty in road and bridge construction, hardened husky block, which is directly screened out, causes to waste and sieve husky low efficiency, difficult problem is discharged, it is characterized in that: sieving husky net including first, second sieves husky net and sieve sandbox body, it sieves husky top of the box and cast hopper is installed, cast hopper bottom is connected to crush box, crushing box bottom is equipped with and falls Sha Kou, it falls below husky mouth and is equipped with the husky net of the first sieve, the husky side off the net of first sieve is equipped with second and sieves husky net, by installing crush box in cast hopper bottom, facilitate two centimetres of diameter or more of hardened piece of grains of sand crushing, secondly, after first sieves husky net and second sieves husky mesh screen choosing, convenient for the collection and discharge of the grains of sand, and under the driving of the linkage mechanism in the compositions such as transmission arm and linkage disk, it sieves husky frame and drives the The husky net vibration of two sieves, improves the husky efficiency of sieve, it is convenient to operate.
Description
Technical field
The present invention relates to Architectural Equipment technical fields, are specifically related to a kind of road and bridge construction Sand screen.
Background technique
With the rapid development of economy and being constantly progressive for road and bridge engineering, in architecture construction, it usually needs different
The sand of diameter is that slant setting one opens sieve when conventional screen sand to meet the building needs of different occasions, then people
Work, which is sprinkled sand to sieve using spade, to be moved, so that sieve is made to carry out sieving husky processing to sand, it is relatively elaborate in this way, while efficiency
It is low.
A kind of Sand screen of the existing sand sieving machine as mechanization not only saves a large amount of manpower and material resources, while
Substantially increase the husky efficiency of sieve, mix soil in rainy day sand and be easy agglomeration, traditional Sand screen to the sandstone of agglomeration into
Row screening effect is not very well, to be easy to cause the waste of sand.
Existing Sand screen can not crush the sand of agglomeration, screening effect is caused to drop during screening
It is low, cause the waste of sand；Secondly, effectively the sand screened out can not be discharged in time, Sand screen exists when being screened
During screening, sieve is only capable of being shaken while cannot achieve itself side-to-side movement by screen frame side-to-side movement, to keep away
Exempt from sand blocking sieve.
Accordingly, it is desirable to provide a kind of road and bridge construction Sand screen, it is intended to solve the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of husky dress of road and bridge construction sieve
It sets, to solve the problems in above-mentioned background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of road and bridge construction Sand screen, including the husky net of the first sieve, the husky net of the second sieve and sieve sandbox body, sieve sandbox body top
Portion is equipped with cast hopper, and cast hopper bottom is connected to crush box, and crushing box bottom is equipped with and falls Sha Kou, falls below husky mouth and is equipped with the first sieve
Husky net, the husky side off the net of the first sieve are equipped with second and sieve husky net, and the husky net middle part of the second sieve is deformation sieve, and the husky net both ends of the second sieve are fixed
On sieving husky frame, sieves husky frame bottom and be mounted on sliding block, slider bottom is connected with guide sleeve, and guide sleeve is slidably arranged on guide rod, leads
The quantity of bar is two and is arranged in parallel that guide rod is distributed in the lower section of sliding block, and guide rod both ends are connected and fixed frame, and fixed frame is fixed on
It sieves on husky cabinet wall, is arranged with compressed spring on the guide rod between fixed frame and guide sleeve；
The quantity of sliding block is two and is distributed in the two sides of fixing seat, and fixing seat is fixed in the middle part of guide rod, fixing seat inner rotation
It is provided with rotation axis, connection linkage disk at the top of rotation axis, linkage disk two sides are connected with transmission arm, and transmission arm passes through the first linkage ball
Joint connects interlocking bar, and interlocking bar connects one end of connecting rod, the other end connection sliding block of connecting rod by the second linkage ball-joint.
As a further solution of the present invention, the sieve sandbox body is rack-mount, and a pair of squeeze is equipped in crush box
Pressure roller is connected by pitch wheel between the roll shaft of compression roller, the roll shaft of one of compression roller by shaft coupling with
Drive shaft is connected, and drives the motor shaft of axis connection first motor.
As a further solution of the present invention, in a pair of of compression roller, the compression roller in left side is rotated clockwise, the extruding on right side
Roller rotates counterclockwise.
As a further solution of the present invention, the gap between the compression roller described in a pair is 5-20mm.
As a further solution of the present invention, the husky net of the first sieve is installed on gear frame, keeps off frame two sides connection expansion link,
The husky top of the box of sieve is fixed on by rivet at the top of telescopic rod, sieves and is connected with tension spring between husky box top wall and gear frame.
As a further solution of the present invention, the husky net of the first sieve is obliquely installed in gear frame, and what the first sieve sand was netted inclines
Rake angle is 15 ° -30 °, and first, which sieves husky net bottom side-lower, is equipped with deflector, and deflector bottom side connects the first rough sand bucket.
As a further solution of the present invention, the husky net of the second sieve is obliquely installed, and bottom side is equipped with the second rough sand bucket.
As a further solution of the present invention, the husky bottom of box of the sieve connects collection bucket, and collection bucket bottom connects sand discharge
It manages, drain valve is installed on sand discharge pipe.
As a further solution of the present invention, the rotation axis bottom is equipped with partial gear, partial gear side
Engagement connection pinion gear, pinion gear are mounted on the motor shaft of the second motor, and the second motor is mounted on the driving of fixing seat bottom
In case.
As a further solution of the present invention, using the partial gear, small of electric cylinder substitution rotation axis bottom installation
The driving device of gear and the second motor form；Electric cylinder is installed between sliding block and fixing seat.
In conclusion compared with the prior art, the invention has the following beneficial effects:
Road and bridge construction Sand screen of the invention, stabilized structure is easy to operate, is crushed by installing in cast hopper bottom
Case facilitates two centimetres of diameter or more of hardened piece of grains of sand crushing, secondly, after first sieves husky net and second sieves husky mesh screen choosing,
Convenient for the collection and discharge of the grains of sand, and under the driving of transmission arm and the linkage mechanism of the linkage compositions such as disk, sieves husky frame and drive the
The husky net vibration of two sieves, improves the husky efficiency of sieve, it is convenient to operate.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of invention.
Fig. 2 is the structural schematic diagram of rough sand bucket installation in invention.
Fig. 3 is the structural schematic diagram of fixing seat in invention.
Fig. 4 is the structural schematic diagram of partial gear in invention.
Fig. 5 is the top view of transmission arm in invention.
Appended drawing reference: 1- cast hopper, 2- compression roller, 3- crush box, 4- fall Sha Kou, 5- rivet, 6- telescopic rod, 7- tension spring,
8- gear frame, 9- first sieve husky net, 10- deflector, 11- second and sieve husky net, 12- sieve husky frame, 13- deformation sieve, 14- sliding block, 15-
Compressed spring, 16- guide sleeve, 17- fixed frame, 18- guide rod, 19- collection bucket, 20- connecting rod, 21- transmission arm, 22- sand discharge pipe, 23-
Drain valve, 24- fixing seat, 25- sieve sandbox body, 26- drive shaft, 27- first motor, the first rough sand of 28- bucket, the second rough sand of 29-
Bucket, 30- bracket, 31- linkage disk, 32- rotation axis, 33- partial gear, 34- pinion gear, the second motor of 35-, 36- first
Dynamic ball-joint, the linkage ball-joint of 37- second.
Specific embodiment
The following further describes the technical solution of the present invention in the following with reference to the drawings and specific embodiments.
Embodiment 1
Referring to FIG. 1 to FIG. 5, a kind of road and bridge construction Sand screen, including the husky net 9, second of the first sieve sieve husky net 11 and sieve
Sandbox body 25, the sieve sandbox body 25 are mounted on bracket 30, are sieved and are equipped with cast hopper 1,1 bottom of cast hopper at the top of sandbox body 25
It is connected to crush box 3, a pair of of compression roller 2 is installed in crush box 3, is connected between the roll shaft of compression roller 2 by pitch wheel
It connects, the roll shaft of one of compression roller 2 is connected by shaft coupling with drive shaft 26, and drive shaft 26 connects the electricity of first motor 27
Arbor, under the driving of first motor 27, a pair of of compression roller 2 in crush box 3 is rotated, and the compression roller 2 in left side rotates clockwise,
The compression roller 2 on right side rotates counterclockwise, so that the grains of sand that top cast hopper 1 is fallen are fallen from top to bottom between the two；
Gap between compression roller 2 described in a pair is 5-20mm, is facilitated two centimetres of diameter or more of hardened piece of grains of sand crushing.
3 bottom of crush box is equipped with and falls husky mouth 4, falls below husky mouth 4 and is equipped with the husky net 9 of the first sieve, and first, which sieves husky net 9, installs
In on gear frame 8, keeping off 8 two sides connection expansion link 6 of frame, it is fixed at the top of sieve sandbox body 25 at the top of telescopic rod 6 by rivet 5, sieve is husky
It is connected with tension spring 7 between 25 roof of cabinet and gear frame 8, under 7 pulling force effect of tension spring, frame 8 is kept off and keeps off the first sieve installed in frame 8
Husky net 9 is suspended to 3 lower section of crush box；
The bulky grain grains of sand that first sieves the husky filtering of net 9 retention are discharged for convenience, it is preferred that in the present embodiment, the first sieve
Husky net 9 is obliquely installed in gear frame 8, and the first tilt angle for sieving husky net 9 is 15 ° -30 °, and the husky net of the first sieve is equipped with below 9 bottom side
Deflector 10,10 bottom side of deflector connect the first rough sand bucket 28, facilitate the bulky grain grains of sand row for sieving the husky filtering of net 9 retention for first
Out.
Described first sieves and is equipped with second below husky net 9 and sieves husky net 11, and second to sieve be deformation sieve 13 in the middle part of husky net 11, and second
It sieves 11 both ends of husky net to be fixed on the husky frame 12 of sieve, sieves 12 bottom of husky frame and be mounted on sliding block 14,14 bottom of sliding block is connected with guide sleeve
16, guide sleeve 16 is slidably arranged on guide rod 18, and the quantity of guide rod 18 is two and is arranged in parallel that guide rod 18 is distributed in sliding block 14
Lower section, 18 both ends of guide rod are connected and fixed frame 17, and fixed frame 17 is fixed on sieve 25 inner wall of sandbox body, fixed frame 17 and guide sleeve 16 it
Between guide rod 18 on be arranged with compressed spring 15；
The quantity of the sliding block 14 is two and is distributed in the two sides of fixing seat 24, and fixing seat 24 is fixed on 18 middle part of guide rod, Gu
24 inner rotation of reservation is provided with rotation axis 32, and connection linkage disk 31 at the top of rotation axis 32, linkage 31 two sides of disk are connected with linkage
Arm 21, transmission arm 21 connect interlocking bar by the first linkage ball-joint 36, and interlocking bar is connected by the second linkage connection of ball-joint 37
One end of bar 20, the other end connection sliding block 14 of connecting rod 20；
32 bottom of rotation axis is equipped with partial gear 33,33 side of partial gear engagement connection pinion gear 34, small tooth
Wheel 34 is mounted on the motor shaft of the second motor 35, and the second motor 35 is mounted in the driving box of 24 bottom of fixing seat, second
Under the motor shaft driving pinion 34 of motor 35 rotates, partial gear 33 and rotation axis 32 is driven to rotate, rotation axis 32 passes through
Linkage disk 31 drives transmission arm 21 to move, and pushes sliding block 14 to two Slideslips, shakes so that sieving the husky net 11 of the second sieve on husky frame 12
It is dynamic, the grains of sand thereon are screened.
Described second, which sieves husky net 11, is obliquely installed, and bottom side is equipped with the second rough sand bucket 29, for sieving 11 mistake of husky net for second
The bulky grain grains of sand discharge of filter retention.
25 bottom of sieve sandbox body connects collection bucket 19, and 19 bottom of collection bucket connects sand discharge pipe 22, pacifies on sand discharge pipe 22
Equipped with drain valve 23, opening drain valve 23, the fine sand that collected in collection bucket 19 can be discharged.
Embodiment 2
A kind of road and bridge construction Sand screen, not using 32 bottom of rotation axis installation in electric cylinder alternate embodiment 1
The driving device of complete gear 33, pinion gear 34 and the second motor 35 composition；Electric cylinder is installed on sliding block 14 and is fixed
Between seat 24, the length of telescopic bar of electric cylinder is adjusted, so that the distance between sliding block 14 and fixing seat 24 adjust, and is led to
It crosses transmission arm 21 and the disk 31 that links drives the sliding block 14 of 24 other side of fixing seat to move synchronously, so that second sieves the husky production of net 11
Raw vibration, screens the grains of sand.
Remaining structure division of the present embodiment is same as Example 1.
The technical principle of the invention is described above in combination with a specific embodiment, is only the preferred embodiment of the present invention.This
The protection scope of invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention belong to the present invention
Protection scope.Those skilled in the art, which does not need to pay for creative labor, can associate other specific realities of the invention
Mode is applied, these modes will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of road and bridge construction Sand screen, including the husky net (9) of the first sieve, the husky net (11) of the second sieve and sieve sandbox body
(25), it is equipped with cast hopper (1) at the top of sieve sandbox body (25), cast hopper (1) bottom is connected to crush box (3), crush box (3) bottom
Equipped with falling Sha Kou (4), it is equipped with first below Luo Shakou (4) and sieves husky net (9), is equipped with second below the husky net (9) of the first sieve and sieves sand net
(11), which is characterized in that second sieves for deformation sieve (13) in the middle part of husky net (11), and it is husky that husky net (11) both ends of the second sieve are fixed on sieve
On frame (12), sieves husky frame (12) bottom and be mounted on sliding block (14), sliding block (14) bottom is connected with guide sleeve (16), and guide sleeve (16) is sliding
Dynamic to be arranged on guide rod (18), the quantity of guide rod (18) is two and is arranged in parallel that guide rod (18) is distributed under sliding block (14)
Side, guide rod (18) both ends are connected and fixed frame (17), and fixed frame (17) is fixed on sieve sandbox body (25) inner wall, fixed frame (17) and
Compressed spring (15) are arranged on guide rod (18) between guide sleeve (16)；
The quantity of sliding block (14) is two and is distributed in the two sides of fixing seat (24), and fixing seat (24) is fixed in guide rod (18)
Portion, fixing seat (24) inner rotation are provided with rotation axis (32), and connection linkage disk (31) at the top of rotation axis (32) links disk (31)
Two sides are connected with transmission arm (21), and transmission arm (21) connects interlocking bar by the first linkage ball-joint (36), and interlocking bar passes through the
One end of two linkage ball-joint (37) connections connecting rod (20), the other end connection sliding block (14) of connecting rod (20).
2. road and bridge construction Sand screen according to claim 1, which is characterized in that sieve sandbox body (25) peace
On bracket (30), it is equipped with a pair of of compression roller (2) in crush box (3), passes through intermeshing between the roll shaft of compression roller (2)
Gear connection, the roll shaft of one of compression roller (2) is connected by shaft coupling with drive shaft (26), and drive shaft (26) connects
The motor shaft of first motor (27).
3. road and bridge construction Sand screen according to claim 2, which is characterized in that left in a pair of of compression roller (2)
The compression roller (2) of side rotates clockwise, and the compression roller (2) on right side rotates counterclockwise.
4. road and bridge construction Sand screen according to claim 3, which is characterized in that compression roller described in a pair
(2) gap between is 5-20mm.
5. road and bridge construction Sand screen according to claim 1, which is characterized in that described first sieves husky net (9)
It is installed on gear frame (8), keeps off frame (8) two sides connection expansion link (6), pass through rivet (5) at the top of telescopic rod (6) and be fixed on sieve sandbox
At the top of body (25), sieves and be connected with tension spring (7) between sandbox body (25) roof and gear frame (8).
6. road and bridge construction Sand screen according to claim 5, which is characterized in that described first sieves husky net (9)
It is obliquely installed in gear frame (8), the tilt angle of the husky net (9) of the first sieve is 15 ° -30 °, and first, which sieves husky net (9) bottom side lower section, sets
Have deflector (10), deflector (10) bottom side connects the first rough sand bucket (28).
7. road and bridge construction Sand screen according to claim 6, which is characterized in that described second sieves husky net (11)
It is obliquely installed, bottom side is equipped with the second rough sand bucket (29).
8. road and bridge construction Sand screen according to claim 7, which is characterized in that sieve sandbox body (25) bottom
Portion connects collection bucket (19), and collection bucket (19) bottom connects sand discharge pipe (22), is equipped with drain valve (23) on sand discharge pipe (22).
9. -8 any road and bridge construction Sand screen according to claim 1, which is characterized in that the rotation axis
(32) bottom is equipped with partial gear (33), partial gear (33) side engagement connection pinion gear (34), pinion gear (34)
It is mounted on the motor shaft of the second motor (35), the second motor (35) is mounted in the driving box of fixing seat (24) bottom.
10. road and bridge construction Sand screen according to claim 9, which is characterized in that substituted using electric cylinder
The driving device that partial gear (33), pinion gear (34) and the second motor (35) of rotation axis (32) bottom installation form；
Electric cylinder is installed between sliding block (14) and fixing seat (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589350.9A CN110369253B (en) | 2019-07-02 | 2019-07-02 | Screening sand device is used in road and bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589350.9A CN110369253B (en) | 2019-07-02 | 2019-07-02 | Screening sand device is used in road and bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110369253A true CN110369253A (en) | 2019-10-25 |
| CN110369253B CN110369253B (en) | 2021-02-02 |
Family
ID=68251616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910589350.9A Expired - Fee Related CN110369253B (en) | 2019-07-02 | 2019-07-02 | Screening sand device is used in road and bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110369253B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877813A (en) * | 2021-11-18 | 2022-01-04 | 江西宏巍建筑工程有限公司 | Municipal works are with high-efficient screening sand device |
| CN115012343A (en) * | 2022-07-08 | 2022-09-06 | 李智 | Highway guardrail that anti striking ability is strong |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879086A (en) * | 1988-09-27 | 1989-11-07 | The United States Of America As Represented By The United States Department Of Energy | Neutron economic reactivity control system for light water reactors |
| CN108160259A (en) * | 2017-11-23 | 2018-06-15 | 长沙双合盛企业管理有限公司 | A kind of sandstone two level screening plant |
-
2019
- 2019-07-02 CN CN201910589350.9A patent/CN110369253B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879086A (en) * | 1988-09-27 | 1989-11-07 | The United States Of America As Represented By The United States Department Of Energy | Neutron economic reactivity control system for light water reactors |
| CN108160259A (en) * | 2017-11-23 | 2018-06-15 | 长沙双合盛企业管理有限公司 | A kind of sandstone two level screening plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877813A (en) * | 2021-11-18 | 2022-01-04 | 江西宏巍建筑工程有限公司 | Municipal works are with high-efficient screening sand device |
| CN115012343A (en) * | 2022-07-08 | 2022-09-06 | 李智 | Highway guardrail that anti striking ability is strong |
| CN115012343B (en) * | 2022-07-08 | 2024-01-16 | 李智 | Highway guardrail that crashworthiness is strong |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110369253B (en) | 2021-02-02 |
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