CN209467752U - A kind of sandstone conveyer belt bottom plate device husky clearly - Google Patents
A kind of sandstone conveyer belt bottom plate device husky clearly Download PDFInfo
- Publication number
- CN209467752U CN209467752U CN201920099265.XU CN201920099265U CN209467752U CN 209467752 U CN209467752 U CN 209467752U CN 201920099265 U CN201920099265 U CN 201920099265U CN 209467752 U CN209467752 U CN 209467752U
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- China
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- conveyer belt
- bottom plate
- belt bottom
- sand scraper
- sandstone
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Abstract
The utility model relates to concrete Preparation equipment fields, more particularly, to a kind of sandstone conveyer belt bottom plate device husky clearly, including conveyer belt bottom plate, conveyer belt bottom plate plate face is obliquely installed by downside to high side, conveyer belt bottom plate is equipped with sand scraper, sand scraper is moved along conveyer belt floor length direction, sand scraper is equipped with resetting-mechanism, it is equipped in conveyer belt and leaks husky mouth, when the sandstone on conveyer belt bottom plate is saved bit by bit to a certain extent, start sand scraper, sand scraper is moved down along conveyer belt bottom plate plate face, the sandstone of conveyer belt plate face is pushed down on, after sandstone being concentrated in together and along leaking husky mouth discharge, then sand scraper is promoted to reset using resetting-mechanism, when the sandstone on conveyer belt bottom plate is saved bit by bit to a certain extent, start sand scraper, sand scraper is moved down along conveyer belt bottom plate plate face, the sandstone of conveyer belt plate face is pushed down on, after general Sandstone and concentrate in together and along husky mouth discharge is leaked, then promote sand scraper to reset using resetting-mechanism.
Description
Technical field
The utility model relates to concrete Preparation equipment fields, more particularly, to a kind of clear husky dress of sandstone conveyer belt bottom plate
It sets.
Background technique
Currently, aggregate can often be pressed by way of conveyer belt conveying in the material-transporting system of concrete mixing plant
Ratio is conveyed to be stirred into blender.The advantages of being conveyed using conveyer belt is that conveying distance is big, high-efficient, failure rate is low, this
Effectively shorten the charge time of blender.Sandstone conveyer belt is generally integrally in from lower feed bin one end stirring to higher position
It mixes machine to be extended, the sandstone for stirring use can usually have partial moisture, and sandstone conveyer belt is provided with bottom below its zone face
Plate is used to accept the sandstone fallen.
If notification number is that CN206485931U Chinese utility model patent discloses a kind of sandstone conveying device, it is intended to solve
During conveying sandstone, sandstone is easily hidden and is contained in gap, it has not been convenient to the problem of clearing up, its key points of the technical solution are that: it is a kind of
Sandstone conveying device, including rack are provided with conveyer belt in the rack, between conveying band edge and the rack there are
Gap is provided with guide rail along edge in the rack, and sliding is provided with the descaling machine for clearing up sandstone in gap on the guide rail
Structure, the cleaning mechanism include slide, and rotation is provided with cleaning assembly on the slide.
A kind of sandstone conveying device disclosed above, moist sandstone would generally be adhered to conveyer belt during transport
On, it can be fallen under gravity when the moisture on sandstone evaporates rear portion sub-sand stone, and the sandstone of conveyer belt surface is due to defeated
Sending the vibration of band can also fall downwards, and cleaning mechanism cannot clear up conveyer belt bottom plate, and prolonged sandstone is fallen,
It is only slower along the downward slip velocity of bottom plate by gravity sandstone, and sandstone contains moisture and sandstone can be made to accumulate on conveyer belt bottom plate,
Bottom plate two sides can be often spilled over to, need manually to remove, so that factory cost increases.
Utility model content
The purpose of the utility model is to provide a kind of sandstone conveyer belt bottom plate devices husky clearly, can easily clean up on bottom plate
Sandstone, avoid sandstone from accumulating on bottom plate, save manpower.
The above-mentioned purpose of the utility model has the technical scheme that a kind of sandstone conveyer belt bottom plate is clear
Husky device, including conveyer belt bottom plate, the conveyer belt bottom plate plate face are obliquely installed by downside to high side, the conveyer belt bottom plate plate
Face is equipped with sand scraper, and the sand scraper is vertical with conveyer belt floor length direction to be bonded setting, the sand scraper both ends and
Conveyer belt bottom plate two sides are slidably connected and move along conveyer belt floor length direction, and the sand scraper is equipped with multiple
Position mechanism, the lower one end of Yu Suoshu conveyer belt bottom plate, which is equipped with, leaks husky mouth.
Implement above-mentioned technical proposal, by it is higher in conveyer belt bottom plate therefore and sand scraper is set, when conveyer belt bottom plate
On sandstone when saving bit by bit to a certain extent, start sand scraper, sand scraper is moved down along conveyer belt bottom plate plate face, will convey band plate
The sandstone in face pushes down on, and after concentrating in together sandstone and being discharged along husky mouth is leaked, then promotes to scrape sand using resetting-mechanism
Sheet reset.
The utility model is further arranged to: the sand scraper is equipped with clump weight, and the clump weight scrapes sand positioned at described
In the middle part of plate, the sand scraper both ends are equipped with idler wheel, and conveyer belt bottom plate two sides are equipped with sliding groove, the idler wheel and the cunning
Dynamic slot abuts.
Implement above-mentioned technical proposal, by the way that sliding groove is arranged in conveyer belt bottom plate two sides, and is arranged at sand scraper both ends
Idler wheel is slidably connected with sliding groove, reduces sand scraper and conveyer belt bottom plate frictional force, scrapes sand convenient for sand scraper, setting clump weight increases
The thrust of big sand scraper.
The utility model is further arranged to: the resetting-mechanism includes the electricity that the higher side of conveyer belt bottom plate is arranged
Cucurbit, the electric hoist are connect by cable wire with the sand scraper.
Implement above-mentioned technical proposal, when sand scraper is moved downward to bottom end along conveyer belt bottom plate, opens electric hoist, scrape sand
Plate is pulled by cable wire and is moved upwards along conveyer belt bottom plate, and then finishing device resets.
The utility model is further arranged to: the conveyer belt bottom plate and the sand scraper are equipped with working in coordination and use
In the deceleration device that the sand scraper slows down, the deceleration device is located in the sand scraper stroke.
Implement above-mentioned technical proposal, sand scraper moves down, when the sandstone on conveyer belt bottom plate is less, the fortune of sand scraper
Dynamic speed is easy for too fast, causes very big impact to conveyer belt bottom plate, therefore deceleration device is arranged to weaken the shifting of sand scraper
Dynamic speed, weakens the impact to conveyer belt bottom plate.
The utility model is further arranged to: the deceleration device includes the lower one end two sides of the conveyer belt bottom plate
Two symmetrically arranged flaps being equipped with, the flap is from the lower one end end of the conveyer belt bottom plate along the conveying
Band floor length direction is opened to two sides, and the deceleration device further includes that the inhibition idler wheel being arranged on the sand scraper turns
Dynamic abutting deceleration mechanism, the abutting deceleration mechanism are abutted with the flap, and the flap is located at abutting deceleration
In actuator travel.
Implement above-mentioned technical proposal, sand scraper is equipped with abutting deceleration mechanism and the flap of conveyer belt bottom plate two sides supports
It connects, one side flap can weaken the movement speed of sand scraper with deceleration mechanism abutting is abutted, and on the one hand abutting deceleration mechanism can
Idler wheel is controlled to slow down.
The utility model is further arranged to: the abutting deceleration mechanism includes being arranged on the sand scraper and the rolling
The cylinder for taking turns side wall face, is equipped with spring in the cylinder along its length, and the spring is towards one end of the idler wheel side wall
Equipped with friction eceleration piece, the spring other end stretches out the cylinder and is connected with abutting plate, and the flap is located at described support
In fishplate bar stroke, described abutting plate one end is connect with the spring, and the abutting plate other end passes through with the sand scraper side wall
Elastic component is hinged, and the hinge side is located at the sand scraper close to the side wall of described lower one end of conveyer belt bottom plate, the hinge
Edge fit is vertical with the sand scraper direction of motion, and the elastic component promotes the abutting plate to connect from the abutting plate and the spring
The one end connect tilts outward.
Implement above-mentioned technical proposal, it is described to scrape sand when sand scraper moves down one end lower close to conveyer belt bottom
Abutting plate on plate connects with the flap of conveyer belt bottom plate two sides, as flap is gradually drawn close to conveyer belt, abuts
One end that plate is connect with the spring is gradually depressed, therefore the friction eceleration piece and the idler wheel of spring other side connection
Side wall abuts, and therefore idler wheel slows down, then sand scraper speed is gradually reduced.
The utility model is further arranged to: described lower one end of conveyer belt bottom plate is equipped at the husky mouth of the leakage along plate face
Collect sediment barrier plate.
Implement above-mentioned technical proposal, the sandstone that sand scraper scrapes off can be delivered to leakage along collection sediment barrier plate by setting collection sediment barrier plate
Husky mouth processing.
The utility model is further arranged to: described lower one end of conveyer belt bottom plate is equipped with material below the husky mouth of the leakage
Bucket.
Implement above-mentioned technical proposal, setting hopper is convenient for the sandstone for collecting sand scraper is unified to store.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model discloses a kind of sandstone conveyer belt bottom plate device husky clearly, including conveyer belt bottom plate, the conveying
Band bottom plate plate face be obliquely installed by downside to high side, the conveyer belt bottom plate plate face be equipped with sand scraper, the sand scraper with it is described
Conveyer belt floor length direction is vertically bonded setting, and the sand scraper both ends and conveyer belt bottom plate two sides are slidably connected simultaneously
It is moved along conveyer belt floor length direction, the sand scraper is equipped with resetting-mechanism, and Yu Suoshu conveyer belt bottom plate is lower
One end, which is equipped with, leaks husky mouth, when the sandstone on conveyer belt bottom plate is saved bit by bit, starts sand scraper, sand scraper along conveyer belt bottom plate plate face to
Lower movement, the sandstone of conveyer belt plate face is pushed down on, and after concentrating in together sandstone and being discharged along husky mouth is leaked, is then used
Resetting-mechanism promotes sand scraper to reset, and avoids sandstone and accumulates in conveyer belt bottom plate, saves manpower；
2. in the deceleration device worked in coordination is arranged on conveyer belt bottom plate and the sand scraper, including being arranged at conveyer belt bottom
The flap of plate two sides and the abutting deceleration mechanism being arranged on sand scraper, when sand scraper move down close to conveyer belt bottom compared with
When low one end, the abutting plate on the sand scraper connects with the flap of conveyer belt bottom plate two sides, with flap by
It is gradually drawn close to conveyer belt, abuts one end that plate is connect with the spring and gradually depressed, therefore spring other side connection
Friction eceleration piece is abutted with the idler wheel side wall, and therefore idler wheel slows down, then sand scraper speed is gradually reduced, and is completed sand scraper and is stopped
It is dynamic to slow down, it is not necessarily to other power.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the removing conveying band part of the utility model.
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.
Fig. 4 is the configuration schematic diagram of the utility model sand scraper and electric hoist part.
Fig. 5 is the enlarged structure schematic diagram of part B in Fig. 4.
In figure: 1, conveyer belt bottom plate；2, husky mouth is leaked；3, sand scraper；4, resetting-mechanism；5, electric hoist；6, cable wire；7, counterweight
Block；8, idler wheel；9, sliding groove；10, collect sediment barrier plate；11, deceleration device；12, flap；13, deceleration mechanism is abutted；14, cylinder；
15, spring；16, friction eceleration piece；17, plate is abutted；18, elastic component；19, conveyer belt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2 and Fig. 3, is a kind of sandstone conveyer belt bottom plate device husky clearly disclosed by the utility model, including defeated
Band bottom plate 1 is sent, conveyer belt bottom plate 1 is located at 19 lower section of conveyer belt and is arranged along 19 length of conveyer belt, i.e., said conveyer belt bottom plate 1 is in
The low one end high setting in one end is provided with the husky mouth 2 of leakage in the lower one end end face of conveyer belt bottom plate 1, higher in conveyer belt bottom plate 1
One end is provided with sand scraper 3, and sand scraper 3 is in rectangle, and both ends are abutted with 1 two sides of conveyer belt bottom plate, whole and conveyer belt bottom
1 length direction of plate is vertically arranged, and is additionally provided with resetting-mechanism 4 in the higher one end of conveyer belt bottom plate 1, resetting-mechanism 4 includes setting
The electric hoist 5 in the higher one end end of conveyer belt bottom plate 1 is set, above-mentioned electric hoist 5 is connect by cable wire 6 with sand scraper 3, wherein
It is connected in the middle part of cable wire 6 and sand scraper 3, clump weight 7 is additionally provided in the middle part of sand scraper 3,3 both ends of sand scraper are provided with idler wheel 8, defeated
Send band 1 two sides of bottom plate to be provided with sliding groove 9 along its length, i.e. sand scraper 3 is slidably connected by idler wheel 8 with sliding groove 9, because
, when accumulating sandstone on conveyer belt bottom plate 1, above-mentioned electric hoist 5 loosens cable wire 6, i.e., sand scraper 3 is along 1 length of conveyer belt bottom plate for this
Direction moves down, and sand scraper 3 is bonded with conveyer belt ground and pushes down on the sandstone on conveyer belt bottom plate 1, and counterweight is arranged
Block 7, which can increase, hangs the downward motive force of sand scraper 3, and sandstone is pushed downward movement, finally by leaking the unified discharge of husky mouth 2, avoids
Accumulate on conveyer belt floor, saves manually, after completing the task of cleaning conveyer belt bottom plate 1, open electric hoist 5, store steel
Rope 6 pulls up sand scraper 3 from the lower one end of conveyer belt bottom plate 1, and whole device resets.
Referring to Fig. 2,1 plate face of conveyer belt bottom plate is provided with two blocks of collection sediment barrier plates 10 in front of above-mentioned leakage sand mouth 2, and above-mentioned collection is husky
Baffle 10 is in the setting of inverted "eight" shape, wherein collection 10 collecting end of sediment barrier plate, which is located at, leaks 2 side of husky mouth, in husky 2 lower section of mouth of leakage
Hopper is provided with convenient for receiving the sandstone of top, it is husky that setting collection sediment barrier plate 10 can enter leakage along collection sediment barrier plate 10 convenient for guidance sandstone
Mouth 2.
Referring to Fig. 2 and Fig. 4 and Fig. 5, sand scraper 3 is moved down, when the sandstone on conveyer belt bottom plate 1 is less, sand scraper 3
Movement velocity be easy for too fast, very big impact is caused to conveyer belt bottom plate 1, on conveyer belt bottom plate 1 and the sand scraper 3
Equipped with the deceleration device 11 to slow down for the sand scraper 3 worked in coordination, including the lower one end two sides of conveyer belt bottom plate 1
The symmetrically arranged flap 12 of two be equipped with, flap 12 is from the lower one end end of the conveyer belt bottom plate 1 along described defeated
Band 1 length direction of bottom plate is sent to open to two sides, deceleration device 11 further includes the inhibition idler wheel being arranged on the sand scraper 3
The abutting deceleration mechanism 13 of 8 rotations, flap 12, which is located at, to abut in 13 stroke of deceleration mechanism, and abutting deceleration mechanism 13 includes setting
With the cylinder 14 of the 8 side wall face of idler wheel on the sand scraper 3, spring 15 is equipped in the cylinder 14 along its length,
The spring 15 is equipped with friction eceleration piece 16 towards one end of 8 side wall of idler wheel, and 15 other end of spring stretches out the circle
Cylinder 14 is simultaneously connected with abutting plate 17, and the flap 12 is located in 17 stroke of abutting plate, described 17 one end of abutting plate and institute
The connection of spring 15 is stated, 17 other end of abutting plate and 3 side wall of sand scraper are hinged by elastic component 18, and it is hinged to abut plate 17
Side is located at the sand scraper 3 and transports close to the side wall of the lower one end of the conveyer belt bottom plate 1, the hinge side and the sand scraper 3
Dynamic direction is vertical, and the elastic component 18 promotes the abutting plate 17 to stick up outward from one end that plate 17 is connect with spring 15 is abutted
It rises, therefore, sand scraper 3 is equipped with abutting deceleration mechanism 13 and abuts with the flap 12 of 1 two sides of conveyer belt bottom plate, on the one hand subtracts
Fast plate 12 can weaken the movement speed of sand scraper 3 with the abutting of deceleration mechanism 13 is abutted, and it is controllable on the one hand to abut deceleration mechanism 13
Idler wheel 8 slows down, the abutting plate 17 when sand scraper 3 moves down one end lower close to conveyer belt bottom, on the sand scraper 3
Connect with the flap 12 of 1 two sides of conveyer belt bottom plate, as flap 12 is gradually drawn close to conveyer belt, abuts plate 17 and institute
The one end for stating the connection of spring 15 is gradually depressed, therefore the friction eceleration piece 16 and the idler wheel of 15 other side of spring connection
8 side walls abut, and therefore idler wheel 8 slows down, then 3 speed of sand scraper is gradually reduced.
The course of work (principle): the utility model discloses a kind of sandstone conveyer belt bottom plate device husky clearly, including conveyer belt
Bottom plate 1,1 plate face of conveyer belt bottom plate are obliquely installed by downside to high side, and 1 plate face of conveyer belt bottom plate is equipped with sand scraper 3,
The sand scraper 3 is vertical with 1 length direction of conveyer belt bottom plate to be bonded setting, 3 both ends of sand scraper and the conveyer belt
1 two sides of bottom plate are slidably connected and move backward along 1 length of conveyer belt bottom plate, and the sand scraper 3 is equipped with resetting-mechanism
The lower one end of 4, Yu Suoshu conveyer belt bottom plate 1, which is equipped with, leaks husky mouth 2, mutual in setting on conveyer belt bottom plate 1 and the sand scraper 3
The deceleration device 11 of cooperation, therefore when the sandstone on conveyer belt bottom plate 1 is saved bit by bit, sand scraper 3 is started, sand scraper 3 is along conveyer belt
1 plate face of bottom plate moves down, and the sandstone of 1 plate face of conveyer belt bottom plate is pushed down on, when sand scraper 3 is moved down close to conveyer belt
When the lower one end in bottom, the abutting plate 17 on the sand scraper 3 connects with the flap 12 of 1 two sides of conveyer belt bottom plate,
As flap 12 is gradually drawn close to conveyer belt, abuts one end that plate 17 is connect with the spring 15 and gradually depressed, therefore institute
The friction eceleration piece 16 for stating the connection of 15 other side of spring is abutted with 8 side wall of idler wheel, and therefore idler wheel 8 slows down, then sand scraper 3
Speed is gradually reduced, and sandstone concentrates in together and has the guidance of collection sediment barrier plate 10 to be discharged along the husky mouth 2 of leakage, eventually falls into the husky mouth 2 of leakage
In the hopper of lower section, sand scraper 3 is promoted to reset using resetting-mechanism 4, present arrangement avoids sandstones to accumulate in conveyer belt bottom plate 1,
It is convenient and efficient to clear up sandstone, saves manpower.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of sandstone conveyer belt bottom plate device husky clearly, including conveyer belt bottom plate (1), conveyer belt bottom plate (1) plate face is by low
Side to high side is obliquely installed, it is characterised in that: conveyer belt bottom plate (1) plate face is equipped with sand scraper (3), the sand scraper (3)
It is vertical with conveyer belt bottom plate (1) length direction to be bonded setting, sand scraper (3) both ends and the conveyer belt bottom plate (1)
Two sides are slidably connected and along conveyer belt bottom plate (1) length direction movements, and the sand scraper (3) is equipped with resetting-mechanism
(4), Yu Suoshu conveyer belt bottom plate (1) lower one end, which is equipped with, leaks husky mouth (2).
2. sandstone conveyer belt bottom plate according to claim 1 device husky clearly, it is characterised in that: set on the sand scraper (3)
Having clump weight (7), the clump weight (7) is located in the middle part of the sand scraper (3), and sand scraper (3) both ends are equipped with idler wheel (8),
Conveyer belt bottom plate (1) two sides are equipped with sliding groove (9), and the idler wheel (8) abuts with the sliding groove (9).
3. sandstone conveyer belt bottom plate according to claim 2 device husky clearly, it is characterised in that: resetting-mechanism (4) packet
The electric hoist (5) of the setting higher side of the conveyer belt bottom plate (1) is included, the electric hoist (5) scrapes sand with described by cable wire (6)
Plate (3) connection.
4. sandstone conveyer belt bottom plate according to claim 3 device husky clearly, it is characterised in that: the conveyer belt bottom plate (1)
Deceleration device (11) working in coordination and for the sand scraper (3) deceleration, the deceleration are equipped with the sand scraper (3)
Device (11) is located in the sand scraper (3) stroke.
5. sandstone conveyer belt bottom plate according to claim 4 device husky clearly, it is characterised in that: deceleration device (11) packet
Include two symmetrically arranged flaps (12) that the lower one end two sides of conveyer belt bottom plate (1) are equipped with, the flap
(12) it is opened from the lower one end end of conveyer belt bottom plate (1) along conveyer belt bottom plate (1) length direction to two sides, institute
State the abutting deceleration mechanism that deceleration device (11) further includes the inhibition idler wheel (8) rotation being arranged on the sand scraper (3)
(13), the flap (12) is located in abutting deceleration mechanism (13) stroke.
6. sandstone conveyer belt bottom plate according to claim 5 device husky clearly, it is characterised in that: the abutting deceleration mechanism
It (13) include the cylinder (14) being arranged on the sand scraper (3) with the idler wheel (8) side wall face, the interior edge of the cylinder (14)
Length direction is equipped with spring (15), and the spring (15) is equipped with friction eceleration piece (16) towards one end of the idler wheel (8) side wall,
Spring (15) other end, which stretches out the cylinder (14) and is connected with, abuts plate (17), and the flap (12) is located at described support
In fishplate bar (17) stroke, the abutting plate (17) one end is connect with the spring (15), abutting plate (17) other end and institute
It states sand scraper (3) side wall and passes through elastic component (18) hingedly, it is close that the hinge side for abutting plate (17) is located at the sand scraper (3)
The side wall of the lower one end of the conveyer belt bottom plate (1), the hinge side is vertical with the sand scraper (3) direction of motion, the bullet
Property part (18) promote abutting plate (17) to tilt outward from plate (17) one end for connecting with spring (15) is abutted.
7. sandstone conveyer belt bottom plate according to claim 1 device husky clearly, it is characterised in that: the conveyer belt bottom plate (1)
Lower one end is equipped with collection sediment barrier plate (10) along plate face at the husky mouth (2) of the leakage.
8. sandstone conveyer belt bottom plate according to claim 7 device husky clearly, it is characterised in that: the conveyer belt bottom plate (1)
Lower one end is equipped with hopper below the husky mouth (2) of the leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099265.XU CN209467752U (en) | 2019-01-21 | 2019-01-21 | A kind of sandstone conveyer belt bottom plate device husky clearly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099265.XU CN209467752U (en) | 2019-01-21 | 2019-01-21 | A kind of sandstone conveyer belt bottom plate device husky clearly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209467752U true CN209467752U (en) | 2019-10-08 |
Family
ID=68092628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920099265.XU Expired - Fee Related CN209467752U (en) | 2019-01-21 | 2019-01-21 | A kind of sandstone conveyer belt bottom plate device husky clearly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209467752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213837A (en) * | 2021-05-06 | 2021-08-06 | 苏永青 | High-density concrete and preparation process thereof |
| CN114713532A (en) * | 2022-04-26 | 2022-07-08 | 山东春冶机械制造有限公司 | Old sand recovery unit |
-
2019
- 2019-01-21 CN CN201920099265.XU patent/CN209467752U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213837A (en) * | 2021-05-06 | 2021-08-06 | 苏永青 | High-density concrete and preparation process thereof |
| CN113213837B (en) * | 2021-05-06 | 2022-12-23 | 日照五色石新型建材有限公司 | High-density concrete and preparation process thereof |
| CN114713532A (en) * | 2022-04-26 | 2022-07-08 | 山东春冶机械制造有限公司 | Old sand recovery unit |
| CN114713532B (en) * | 2022-04-26 | 2023-02-24 | 山东春冶机械制造有限公司 | Old sand recovery unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 Termination date: 20210121 |