CN209424067U - A kind of Sand screen that construction screening effect is good - Google Patents

A kind of Sand screen that construction screening effect is good Download PDF

Info

Publication number
CN209424067U
CN209424067U CN201920018526.0U CN201920018526U CN209424067U CN 209424067 U CN209424067 U CN 209424067U CN 201920018526 U CN201920018526 U CN 201920018526U CN 209424067 U CN209424067 U CN 209424067U
Authority
CN
China
Prior art keywords
fixedly connected
feeding
cabinet
shaft
shell
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.)
Withdrawn - After Issue
Application number
CN201920018526.0U
Other languages
Chinese (zh)
Inventor
陆林
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.)
Henan Province Bang Peng Construction Engineering Technology Co Ltd
Original Assignee
Henan Province Bang Peng Construction Engineering Technology Co Ltd
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 Henan Province Bang Peng Construction Engineering Technology Co Ltd filed Critical Henan Province Bang Peng Construction Engineering Technology Co Ltd
Priority to CN201920018526.0U priority Critical patent/CN209424067U/en
Application granted granted Critical
Publication of CN209424067U publication Critical patent/CN209424067U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The utility model discloses a kind of Sand screens that construction screening effect is good, including bottom plate, shell is fixedly connected at the top of the bottom plate, bottom on the left of the shell is fixedly connected with the feed pipe interconnected with it, it is fixedly connected with feeding motor at the top of the shell, feeding shaft is fixedly connected on the output shaft of the feeding motor.The utility model is cooperated by feed pipe, feeding motor, feeding shaft, feeding blade, groove, rolling bearing, cabinet, discharge nozzle, rotating electric machine, rotating shaft, screen drum, through slot and feeding slot, during sieving husky, feeding motor drives feeding blade that sand is driven to carry out feeding by feeding shaft, then primary screening is carried out to sieve by the screen drum of rotation, postsearch screening is carried out to sand by sieve plate again, not only reduce the labor intensity of staff, and it is time saving and energy saving, the husky efficiency of sieve is improved, is brought great convenience to construction working.

Description

A kind of Sand screen that construction screening effect is good
Technical field
The utility model relates to technical field of buildings, specially a kind of Sand screen that construction screening effect is good.
Background technique
Construction is people using various construction materials, mechanical equipment according to specifically devising and drawing the blueprint in certain sky Between, carry out in the time being that the production words building miscellaneous building products and carry out are dynamic.It includes from preparation of construction, breaks ground It starts building to the overall production process of completion of works examination.Preparation of construction, Design of Construction Organization and pipe will be carried out during this Reason, earth work, blasting engineering, foundation engineering, reinforced bar engineering, form work engineering, scaffolding work, concrete works, prestressing force The work such as concrete works, masonry project, structural steelwork, timber engineering, structure installing engineering.Construction refers to engineering The production activity for constructing and implementing the stage is the building course of all kinds of buildings, it may also be said to be the various lines on design drawing Item becomes process in kind in specified place.It include basic engineering construction, main structure construction, roof construction, Decorative engineering construction etc..The place of construction operation is known as construction site or cries construction site, also cries building site.Construction site is Developing construction project at one, is carrying out the place of civil engineering, range often has coaming plate, wire netting or enclosure wall to be closed, The disengaging of limitation personnel and material, machinery and vehicle.There is estate management administrator to guard.Discrepancy will register identity, and dress Safety cap etc..Sand refers to tiny stone grain or shape as the thing of sand.Common construction is sieved with Sand screen Husky effect is not satisfactory, and during sieving husky, general husky using sieve is manually carried out, artificial sieve sand not only increases staff Labor intensity, and time-consuming and laborious, causing to sieve husky efficiency reduces, and influences the duration of construction, brings pole to construction working Big inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of Sand screens that construction screening effect is good, have screening effect The good advantage of fruit solves the problems, such as that common construction is undesirable with the husky effect of Sand screen sieve.
To achieve the above object, the utility model provides the following technical solutions: a kind of construction screening effect is good Sand screen, including bottom plate, are fixedly connected with shell at the top of the bottom plate, the bottom on the left of the shell be fixedly connected with Its interconnected feed pipe, is fixedly connected with feeding motor at the top of the shell, solid on the output shaft of the feeding motor Surely it is connected with feeding shaft, the bottom end of the feeding shaft through shell and extends to inside it, positioned at the feeding of enclosure interior The surface of shaft is fixedly connected with feeding blade, and the bottom of the inner walls opens up groove, fixes on the inner wall of the groove Be connected with rolling bearing, the bottom end of the feeding shaft is flexibly connected with rolling bearing, the top of the bottom plate and be located at shell Right side be fixedly connected with cabinet, the top on the right side of the shell is fixedly connected with the discharge nozzle interconnected with it, it is described go out The one end of expects pipe far from shell is through cabinet and extends to inside it, and rotating electric machine, institute are fixedly connected at the top of the cabinet It states and is fixedly connected with rotating shaft on the output shaft of rotating electric machine, the bottom end of the rotating shaft through cabinet and extends in it Portion, the bottom end for being located in the box body the rotating shaft in portion are fixedly connected with screen drum, and the back side of the screen drum offers through slot, the case The back side of body offers feeding slot compatible with through slot, on the inner wall of the cabinet and is located at below screen drum and is provided with sieve Plate, the right side opening of the cabinet wall are equipped with blanking groove, are provided with blanking lid compatible with blanking groove on the right side of the cabinet, Bottom on the right side of the cabinet wall offers logical hopper, and matched logical material lid is provided on the right side of the cabinet.
Preferably, the four corners of the bottom base plate are fixedly connected to fixed block, and the front and rear sides of the fixed block are equal It is fixedly connected with support shaft, the surface activity of the support shaft is connected with scroll wheel.
Preferably, the bottom of the feed pipe is fixedly connected with support rod, the bottom of the support rod and the top of bottom plate It is fixedly connected.
Preferably, the bottom of the inner walls is provided with sealing ring compatible with groove, the bottom of the feeding shaft End runs through sealing ring and extends to its outside to be flexibly connected with it.
Preferably, the bottom of the cabinet wall is fixedly connected with supporting block compatible with rotating shaft, the support Fixing groove compatible with rotating shaft is offered at the top of block, is fixedly connected with fixing bearing on the inner wall of the fixing groove, The bottom end of the rotating shaft sequentially passes through fixing bearing and fixing groove from top to bottom and extends to the outside of fixing groove, the branch The bottom of bracer is provided with the compatible gasket of rotating shaft.
Preferably, the left side at the top of the screen drum is provided with baffle, and the top of the baffle is fixedly connected with discharge nozzle, institute It states the right side at the top of screen drum and is provided with partition, be fixedly connected on the right side of side of the partition far from screen drum and cabinet wall.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model by feed pipe, feeding motor, feeding shaft, feeding blade, groove, rolling bearing, cabinet, Discharge nozzle, rotating electric machine, rotating shaft, screen drum, through slot and feeding slot cooperate, and during sieving husky, feeding motor is logical Crossing feeding shaft drives feeding blade that sand is driven to carry out feeding, then carries out primary screening to sieve by the screen drum of rotation, Postsearch screening is carried out to sand by sieve plate again, the labor intensity of staff is not only reduced, and time saving and energy saving, improves Husky efficiency is sieved, is brought great convenience to construction working.
2, the utility model is cooperated by fixed block, support shaft and scroll wheel, is played convenient for carrying out to device Mobile effect plays the role of being supported feed pipe by the way that support rod is arranged, and is played pair by the way that sealing ring is arranged The effect that rolling bearing is protected, by supporting block, fixing groove and fixing bearing cooperate, play to rotating shaft into The effect of row support plays the role of protecting fixing bearing by the way that gasket is arranged, mutual by baffle and partition Cooperation, prevents sand from falling on sieve plate outside screen drum.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of the utility model main view;
Fig. 2 is the structural schematic diagram of the utility model left view;
Fig. 3 is the structural schematic diagram of the utility model rearview.
In figure: 1 bottom plate, 2 shells, 3 feed pipes, 4 feeding motors, 5 feeding shafts, 6 feeding blades, 7 grooves, 8 axis of rolling It holds, 9 cabinets, 10 discharge nozzles, 11 rotating electric machines, 12 rotating shafts, 13 screen drums, 14 through slots, 15 feeding slots, 16 sieve plates, 17 blankings Slot, 18 blanking lids, 19 logical hoppers, 20 logical material lids, 21 fixed blocks, 22 support shafts, 23 scroll wheels, 24 support rods, 25 sealing rings, 26 supporting blocks, 27 fixing grooves, 28 fixing bearings, 29 gaskets, 30 baffles, 31 partitions.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of Sand screen that construction screening effect is good, including bottom plate 1, the top of bottom plate 1 It is fixedly connected with shell 2, the four corners of 1 bottom of bottom plate are fixedly connected to fixed block 21, and the front and rear sides of fixed block 21 are solid Surely it is connected with support shaft 22, the surface activity of support shaft 22 is connected with scroll wheel 23, passes through fixed block 21, support shaft 22 Cooperate, played convenient for carrying out mobile effect to device with scroll wheel 23, the bottom in 2 left side of shell be fixedly connected with Its interconnected feed pipe 3, the bottom of feed pipe 3 are fixedly connected with support rod 24, the bottom of support rod 24 and the top of bottom plate 1 Portion is fixedly connected, and plays the role of being supported feed pipe 3 by the way that support rod 24 is arranged, the top of shell 2 is fixedly connected Have feeding motor 4, be fixedly connected with feeding shaft 5 on the output shaft of feeding motor 4, the bottom end of feeding shaft 5 through shell 2 and It extends to inside it, the surface of the feeding shaft 5 inside shell 2 is fixedly connected with feeding blade 6, the bottom of 2 inner wall of shell Portion opens up groove 7, and rolling bearing 8 is fixedly connected on the inner wall of groove 7, and the bottom of 2 inner wall of shell is provided with suitable with 7 phase of groove The bottom end of the sealing ring 25 matched, feeding shaft 5 runs through sealing ring 25 and extends to its outside to be flexibly connected with it, close by being arranged Seal 25 plays the role of protecting rolling bearing 8, and the bottom end of feeding shaft 5 is flexibly connected with rolling bearing 8, bottom plate 1 top and the right side for being located at shell 2 are fixedly connected with cabinet 9, and the top on 2 right side of shell is fixedly connected with to be interconnected with it Discharge nozzle 10, through cabinet 9 and extending to inside it, the top of cabinet 9 is fixedly connected for the one end of discharge nozzle 10 far from shell 2 There is rotating electric machine 11, rotating shaft 12 is fixedly connected on the output shaft of rotating electric machine 11, the bottom of 9 inner wall of cabinet is fixedly connected There is supporting block 26 compatible with rotating shaft 12, the top of supporting block 26 offers fixing groove compatible with rotating shaft 12 27, fixing bearing 28 is fixedly connected on the inner wall of fixing groove 27, and the bottom end of rotating shaft 12 sequentially passes through fixation from top to bottom Bearing 28 and fixing groove 27 and the outside for extending to fixing groove 27, it is compatible that the bottom of supporting block 26 is provided with rotating shaft 12 Gasket 29 is cooperated by supporting block 26, fixing groove 27 and fixing bearing 28, plays and be supported to rotating shaft 12 Effect, by be arranged gasket 29 play the role of protecting fixing bearing 28, the bottom end of rotating shaft 12 is run through It cabinet 9 and extends to inside it, the bottom end of the rotating shaft 12 inside cabinet 9 is fixedly connected with screen drum 13, and sand passes through Discharge nozzle 10 enters in screen drum 13, while starting rotating electric machine 11, and rotating electric machine 11 drives rotating shaft 12 to rotate, rotating shaft 12 bottom end and fixing bearing 28 mutually rotate, and rotating shaft 12 drives screen drum 13 to rotate, and the screen-aperture of screen drum 13 compares sand It is big, the bigger impurity of particle in sand can be sieved, sand once be sieved, the back side of screen drum 13 opens up There is through slot 14, the back side of cabinet 9 offers feeding slot 15 compatible with through slot 14, when the impurity in screen drum 13 is more, leads to It crosses through slot 14 and feeding slot 15 takes out impurity, be provided with sieve plate 16, screen drum on the inner wall of cabinet 9 and positioned at the lower section of screen drum 13 The left side at 13 tops is provided with baffle 30, and the top of baffle 30 is fixedly connected with discharge nozzle 10, the right side setting at 13 top of screen drum There is partition 31, is fixedly connected on the right side of side of the partition 31 far from screen drum 13 and 9 inner wall of cabinet, passes through 31 phase of baffle 30 and partition Mutually cooperation, prevents sand from fallen on sieve plate 16 outside screen drum 13, and the right side opening of 9 inner wall of cabinet is equipped with blanking groove 17, cabinet 9 Right side is provided with blanking lid 18 compatible with blanking groove 17, and sand becomes more to disperse due to the effect by the power rotated, And the oblique right that is set as of sieve plate 16 is arranged, and can carry out regrading to sand very well, sieve plate 16 can be by sand The biggish sand of grain is sieved, and the bottom on the right side of 9 inner wall of cabinet offers logical hopper 19, and the right side of cabinet 9 is provided with and it Compatible logical material lid 20, passes through feed pipe 3, feeding motor 4, feeding shaft 5, feeding blade 6, groove 7, rolling bearing 8, case Body 9, discharge nozzle 10, rotating electric machine 11, rotating shaft 12, screen drum 13, through slot 14 and feeding slot 15 cooperate, in the mistake that sieve is husky Cheng Zhong, feeding motor 4 drive feeding blade 6 that sand is driven to carry out feeding by feeding shaft 5, then pass through the screen drum 13 of rotation Primary screening is carried out to sieve, then postsearch screening is carried out to sand by sieve plate 16, the labour for not only reducing staff is strong Degree, and it is time saving and energy saving, the husky efficiency of sieve is improved, is brought great convenience to construction working.
In use, through slot 14 and feeding slot 15 is closed with lid, start feeding motor 4, feeding motor 4 drives feeding to turn Axis 5 rotates, and feeding shaft 5 drives feeding blade 6 to rotate, and the bottom end of feeding shaft 5 and rolling bearing 8 mutually rotate, and will need The sand of screening is put into feed pipe 3, and sand is moved upwards by the feeding blade 6 of rotation, and is entered in discharge nozzle 10, sand Entered in screen drum 13 by discharge nozzle 10, while starting rotating electric machine 11, rotating electric machine 11 drives rotating shaft 12 to rotate, rotation The bottom end of shaft 12 and fixing bearing 28 mutually rotate, and rotating shaft 12 drives screen drum 13 to rotate, the screen-aperture ratio of screen drum 13 Sand it is big, the bigger impurity of particle in sand can be sieved, sand once be sieved, sand passes through screen drum 13 rotation, under fall on the top of sieve plate 16, sand becomes more to disperse due to the effect by the power rotated, and sieve plate 16 Be set as the setting of oblique right, regrading can be carried out to sand very well, sieve plate 16 can be biggish by particle in sand Sand is sieved, and opens blanking groove 17 by blanking lid 18, rough sand is taken out, and opens logical hopper 19 by logical material lid 20, Fine sand is taken out, when the impurity in screen drum 13 is more, is taken out impurity by through slot 14 and feeding slot 15.
In summary: the good Sand screen of the construction screening effect passes through feed pipe 3, feeding motor 4, feeding Shaft 5, feeding blade 6, groove 7, rolling bearing 8, cabinet 9, discharge nozzle 10, rotating electric machine 11, rotating shaft 12, screen drum 13, Through slot 14 and feeding slot 15 cooperate, and solve the problems, such as that common construction is undesirable with the husky effect of Sand screen sieve.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of Sand screen that construction screening effect is good, including bottom plate (1), it is characterised in that: the bottom plate (1) Top is fixedly connected with shell (2), and the bottom on the left of the shell (2) is fixedly connected with the feed pipe interconnected with it (3), It is fixedly connected with feeding motor (4) at the top of the shell (2), is fixedly connected on the output shaft of the feeding motor (4) Expect shaft (5), the bottom end of the feeding shaft (5) through shell (2) and extends to inside it, is located at the upper of shell (2) inside The surface of material shaft (5) is fixedly connected with feeding blade (6), and the bottom of shell (2) inner wall opens up groove (7), described recessed It is fixedly connected on the inner wall of slot (7) rolling bearing (8), the bottom end of the feeding shaft (5) and rolling bearing (8) activity are even Connect, the top of the bottom plate (1) and be located at shell (2) on the right side of be fixedly connected with cabinet (9), the top on the right side of the shell (2) Portion is fixedly connected with the discharge nozzle interconnected with it (10), and the discharge nozzle (10) runs through cabinet far from the one end of shell (2) (9) it and extends to inside it, is fixedly connected with rotating electric machine (11) at the top of the cabinet (9), the rotating electric machine (11) It is fixedly connected on output shaft rotating shaft (12), the bottom end of the rotating shaft (12) through cabinet (9) and extends in it Portion, the bottom end for being located at cabinet (9) internal rotating shaft (12) are fixedly connected with screen drum (13), and the back side of the screen drum (13) is opened Equipped with through slot (14), the back side of the cabinet (9) is offered and through slot (14) compatible feeding slot (15), the cabinet (9) Inner wall on and be located at below screen drum (13) and be provided with sieve plate (16), the right side opening of cabinet (9) inner wall is equipped with blanking groove (17), it is provided on the right side of the cabinet (9) and blanking groove (17) compatible blanking lid (18), cabinet (9) the inner wall right side The bottom of side offers logical hopper (19), and matched logical material lid (20) is provided on the right side of the cabinet (9).
2. a kind of good Sand screen of construction screening effect according to claim 1, it is characterised in that: the bottom The four corners of plate (1) bottom are fixedly connected to fixed block (21), and the front and rear sides of the fixed block (21) are fixedly connected to It supports shaft (22), the surface activity of support shaft (22) is connected with scroll wheel (23).
3. a kind of good Sand screen of construction screening effect according to claim 1, it is characterised in that: it is described into The bottom of expects pipe (3) is fixedly connected with support rod (24), the fixed company in the bottom of the support rod (24) and the top of bottom plate (1) It connects.
4. a kind of good Sand screen of construction screening effect according to claim 1, it is characterised in that: the shell The bottom of body (2) inner wall, which is provided with, runs through close with groove (7) compatible sealing ring (25), the bottom end of the feeding shaft (5) It seal (25) and extends to it and external is flexibly connected with it.
5. a kind of good Sand screen of construction screening effect according to claim 1, it is characterised in that: the case The bottom of body (9) inner wall is fixedly connected with and rotating shaft (12) compatible supporting block (26), the top of the supporting block (26) Portion offers and rotating shaft (12) compatible fixing groove (27), is fixedly connected with fixation on the inner wall of the fixing groove (27) Bearing (28), the bottom end of the rotating shaft (12) sequentially pass through fixing bearing (28) and fixing groove (27) from top to bottom and extend To the outside of fixing groove (27), the bottom of the supporting block (26) is provided with the compatible gasket (29) of rotating shaft (12).
6. a kind of good Sand screen of construction screening effect according to claim 1, it is characterised in that: the sieve Left side at the top of cylinder (13) is provided with baffle (30), and the top of the baffle (30) is fixedly connected with discharge nozzle (10), the sieve Right side at the top of cylinder (13) is provided with partition (31), side and cabinet (9) inner wall of the partition (31) far from screen drum (13) Right side is fixedly connected.
CN201920018526.0U 2019-01-04 2019-01-04 A kind of Sand screen that construction screening effect is good Withdrawn - After Issue CN209424067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920018526.0U CN209424067U (en) 2019-01-04 2019-01-04 A kind of Sand screen that construction screening effect is good

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920018526.0U CN209424067U (en) 2019-01-04 2019-01-04 A kind of Sand screen that construction screening effect is good

Publications (1)

Publication Number Publication Date
CN209424067U true CN209424067U (en) 2019-09-24

Family

ID=67975485

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920018526.0U Withdrawn - After Issue CN209424067U (en) 2019-01-04 2019-01-04 A kind of Sand screen that construction screening effect is good

Country Status (1)

Country Link
CN (1) CN209424067U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111530745A (en) * 2020-05-11 2020-08-14 范雪灵 Seed sieving mechanism for farming
CN111790611A (en) * 2020-06-13 2020-10-20 常德市广磊门窗装饰工程有限公司 Sand screening device convenient for building construction
CN112170171A (en) * 2020-08-31 2021-01-05 玉溪红塔新型建材有限公司 Aluminum ash separator for recycling waste aluminum slag
CN115502078A (en) * 2022-09-16 2022-12-23 中国十七冶集团有限公司 Sand screening device for building construction engineering site construction and screening method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111530745A (en) * 2020-05-11 2020-08-14 范雪灵 Seed sieving mechanism for farming
CN111790611A (en) * 2020-06-13 2020-10-20 常德市广磊门窗装饰工程有限公司 Sand screening device convenient for building construction
CN112170171A (en) * 2020-08-31 2021-01-05 玉溪红塔新型建材有限公司 Aluminum ash separator for recycling waste aluminum slag
CN115502078A (en) * 2022-09-16 2022-12-23 中国十七冶集团有限公司 Sand screening device for building construction engineering site construction and screening method thereof

Similar Documents

Publication Publication Date Title
CN209424067U (en) A kind of Sand screen that construction screening effect is good
CN206372933U (en) Filtration treatment device is crushed in a kind of construction waste lifting
CN107715979A (en) Cement slurry for building circulates crushing and screening guiding device
CN110152971B (en) Municipal construction is with preventing blockking up sand screening milling device
CN106423382A (en) Lump mineral crushing and primary screening device
CN207238078U (en) Construction waste extruding crushes reducing mechanism again
CN107377370A (en) A kind of construction site throws away type sand sieving machine with impurity
CN108499660A (en) A kind of adjustable construction brick breaker of degree of crushing
CN106393433A (en) Shock absorption concrete mixer convenient to clean
CN207401721U (en) Sandstone separation for building and the husky equipment of sieve
CN211756737U (en) Building sieve husky mechanism that presses down dirt with
CN205816167U (en) A kind of double-rod screening machine
CN212328817U (en) Automatic sand sieving device of pay-off
CN213966794U (en) Secondary crushing equipment for waste concrete slag
CN108187790A (en) A kind of movable type industrial chemicals screening disintegrating apparatus
CN112844636A (en) Production equipment for construction waste recycled aggregate
CN217005275U (en) A drying device for processing of early strong type polycarboxylate water reducing agent
CN212681273U (en) A building waste recovery device for high-rise building
CN212142524U (en) Dust removal feeding device in leather retanning agent production process
CN213886486U (en) Municipal construction waste material environmental protection recovery unit
CN209937414U (en) Plastic mixing machine small particle raw material screening device
CN209866186U (en) Gypsum powder sieving mechanism
CN208840002U (en) It is a kind of to prepare premixing mortar screening plant
CN208260955U (en) A kind of energy-saving compound crusher of conch meal
CN216261016U (en) Smash effectual ancient building engineering waste material reducing mechanism for construction

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20190924

Effective date of abandoning: 20200313

AV01 Patent right actively abandoned