CN210210904U - Building rubbish concrete batching is weighed and is fought convenient to material loading - Google Patents
Building rubbish concrete batching is weighed and is fought convenient to material loading Download PDFInfo
- Publication number
- CN210210904U CN210210904U CN201920572824.4U CN201920572824U CN210210904U CN 210210904 U CN210210904 U CN 210210904U CN 201920572824 U CN201920572824 U CN 201920572824U CN 210210904 U CN210210904 U CN 210210904U
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- charging box
- sliding plate
- sliding
- weighing hopper
- plate
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- 239000000463 material Substances 0.000 title claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 47
- 239000004677 Nylon Substances 0.000 claims description 18
- 229920001778 nylon Polymers 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 14
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to a building rubbish concrete batching is weighed fill convenient to material loading belongs to concrete mixing plant equipment technical field, fight including the support frame and the weighing of setting on the support frame, the feed inlet has been seted up at the top of fighting of weighing, the blanking mouth has been seted up to the bottom, blanking mouth department is provided with the device that opens and shuts, the blanking mouth below is provided with the conveyer belt, it is provided with the base to lie in one side of fighting of weighing on the support frame, be provided with the slide bar of two vertical upwards extensions on the base, it is provided with the sliding plate to slide between two slide bars, be provided with the gliding drive assembly of drive sliding plate on the slide bar, it is provided with top open-ended charging box to slide on the sliding plate, be provided with the drive arrangement that drive charging box moved on the sliding plate, be provided with the shovel subassembly that is used for shoveling the concrete in the charging box on the charging box, the utility model discloses thereby it The advantages of the number.
Description
Technical Field
The utility model belongs to the technical field of concrete mixing plant equipment technique and specifically relates to a building rubbish concrete batching is weighed and is fought convenient to material loading.
Background
The concrete is made up by mixing and stirring the raw materials of aggregate (sand and gravel), cement, water, admixture and additive according to a certain proportion, and is one of the most extensively used materials in the building engineering, and its economic and technical indexes are in the relationship of making the whole building engineering possess significant weight to its quality and cost. In order to improve the strength of concrete, save cement and meet certain technical requirements, various raw materials must be strictly mixed together according to a ratio tested in advance.
Chinese patent with grant bulletin number CN206501261U discloses a concrete batching is weighed and is fought, including the support frame, be provided with the fill of weighing that is used for weighing batching weight on the support frame, be provided with on the blanking mouth of fighting of weighing and be used for controlling the batching and follow the device that opens and shuts that the blanking mouth fell down, the blanking mouth below is provided with the conveyer belt that is used for carrying the batching, fill and support frame swivelling joint weigh to be provided with the restriction and weigh the rotatory restriction piece of fighting, when the device that opens and shuts damages and need maintain, the rotatable weighing of operating personnel is fought, and the restriction through the setting is fought and is rotated, and the device that opens and shuts at this moment rises to one side for operating personnel can be convenient overhauls.
However, the concrete batching and weighing hopper has the disadvantages that the feeding hole of the weighing hopper is arranged at the top, so that the concrete is manually lifted every time the concrete is added into the weighing hopper, the labor intensity of workers is increased, the workers are easily injured by themselves due to hand loss if the workers lift, and the danger coefficient of the workers during working is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a building rubbish concrete batching is weighed and is fought convenient to material loading has thereby the advantage that does not need artifical manual lifting concrete to reduce workman's intensity of labour and reduce the danger coefficient of during operation.
The above object of the present invention can be achieved by the following technical solutions:
a building rubbish concrete batching weighing hopper convenient for loading, which comprises a support frame and a weighing hopper arranged on the support frame, the top of the weighing hopper is provided with a feed inlet, the bottom of the weighing hopper is provided with a blanking port, the blanking port is provided with an opening and closing device, a conveying belt is arranged below the blanking port, a base is arranged on the supporting frame and positioned on one side of the weighing hopper, two sliding rods which vertically extend upwards are arranged on the base, a sliding plate is arranged between the two sliding rods in a sliding manner, the sliding rod is provided with a driving component which drives the sliding plate to slide in the vertical direction, the sliding plate is provided with a charging box with an opening at the upper part in a sliding way, the sliding plate is provided with a driving device which drives the charging box to move towards the weighing hopper side on the sliding plate, the charging box is provided with a shoveling-out assembly used for shoveling concrete in the charging box into the feeding port.
Implement above-mentioned technical scheme, at first remove the sliding plate between two slide bars to the position with the base laminating, then pour the concrete into the charging box, start drive assembly and make the sliding plate drive the charging box and vertically upwards move, move to the position that is higher than weighing hopper after, close drive assembly, then start drive arrangement, let the charging box on the sliding plate toward the one side that is close to weighing hopper remove, make a part of charging box be located weighing hopper's feed inlet directly over, start the subassembly of shoveling out at last, push into the hopper to the concrete that is in the charging box, thereby realize the pay-off. After the arrangement, manual lifting of concrete into the feeding port is not needed any more, and automatic feeding can be realized only after the concrete is poured into the charging box, so that the labor intensity of workers is reduced, and the danger coefficient of the workers during working is reduced.
Furthermore, lantern rings which are sleeved with the sliding rods in a sliding mode are arranged on the two sides of the sliding plate, and Teflon layers are covered on the surfaces of the sliding rods.
By implementing the technical scheme, the lantern ring is arranged so that the sliding plate can stably slide along the length direction of the sliding rod; teflon is generally called as a 'non-stick coating' or an 'easy-to-clean material', and has the characteristics of high temperature resistance and extremely low friction coefficient, so that the Teflon is coated on a sliding rod, and a lantern ring can slide on the sliding rod more smoothly.
Further, the driving assembly comprises a first servo motor arranged at the top of the sliding rod, an output shaft of the first servo motor extends in the horizontal direction and a winding wheel is coaxially arranged on the output shaft of the first servo motor, a vertical and downward extending nylon rope is wound on the winding wheel, and one end of the nylon rope is connected with the sliding plate.
When the technical scheme is implemented, the first servo motor is started, the winding wheel on the output shaft of the first servo motor starts to rotate at the moment, the nylon rope wound on the winding wheel is gradually wound on the winding wheel, and the sliding plate is pulled up by the vertical upward pulling force generated when the nylon rope is wound, so that the sliding plate vertically moves upwards; when the output shaft of first servo motor drove the take-up pulley antiport, the nylon rope just can vertical downwardly extending, and the sliding plate just can be vertical under the action of gravity and slide down to reach the drive sliding plate and reciprocate comparatively convenient effect in vertical direction.
Furthermore, the end part of the nylon rope is provided with a hook, and the sliding plate is provided with a hanging ring which is buckled with the hook.
By implementing the technical scheme, the hook is buckled with the hanging ring, so that the nylon rope can be connected with the sliding plate more conveniently.
Furthermore, a track with the length direction perpendicular to the length direction of a straight line formed by connecting lines of the two lantern rings is arranged on the surface of the sliding plate, a moving plate is movably arranged on the track, the charging box is arranged on the moving plate, a T-shaped groove is formed in the track along the length direction of the track, and a T-shaped block matched with the T-shaped groove in a sliding mode is arranged on the moving plate.
According to the technical scheme, due to the shape characteristics of the T-shaped blocks and the T-shaped grooves, the moving plate cannot be separated from the rail in the sliding process along the length direction of the rail, and the moving plate can drive the charging box to normally slide on the rail.
Furthermore, the track is further provided with a long groove with two sealed ends along the length direction of the track, a lead screw penetrates through the long groove in a rotating mode, the movable plate is provided with a threaded sleeve in threaded sleeve connection with the lead screw, the driving device comprises a second servo motor arranged on the sliding plate, and an output shaft of the second servo motor is coaxially connected with one end, penetrating out of the long groove, of the lead screw.
Implement above-mentioned technical scheme, start second servo motor for the lead screw begins to rotate, because the movable plate cup joints mutually through threaded sleeve and lead screw, consequently under the restriction in T-slot at the rotation of lead screw and T-shaped block card, threaded sleeve can begin to remove along the length direction of lead screw, thereby drives movable plate and charging box and removes at orbital length direction, and then reaches the comparatively convenient effect of drive charging box removal.
Furthermore, the side wall of the charging box close to the weighing hopper is provided with an opening, the shoveling assembly comprises a driving cylinder arranged on the side wall of the charging box far away from the side end opening, a piston rod of the driving cylinder extends towards the direction opposite to the side end opening of the charging box, two push plates are arranged on the piston rod of the driving cylinder at intervals, concrete in the charging box is located between the two push plates, and when one push plate is attached to the inner wall of the charging box, the other push plate is located at the position where the side end opening of the charging box is shielded.
Implement above-mentioned technical scheme, after the movable plate area charging box moved to make the lateral wall opening of charging box be located the feed inlet of weighing the fill directly over, start to drive actuating cylinder and let the piston rod that drives actuating cylinder extend, two push pedals just can remove from the charging box this moment, and then release the concrete that is in the charging box, directly fall into the feed inlet of weighing the fill, reach the effect that the convenient raw materials with in the charging box pushed into the hopper.
Further, a scraping blade attached to the inner bottom wall of the charging box is arranged on the pushing plate.
According to the technical scheme, the scraper blade is arranged so that the concrete in the charging box can be pushed out completely.
To sum up, the utility model discloses following beneficial effect has:
after the utility model is used, manual lifting of concrete into the feeding port is not needed any more, and automatic feeding can be realized only by pouring the concrete into the charging box, so that the labor intensity of workers is reduced, and the danger coefficient of the workers during working is reduced;
and secondly, due to the arrangement of the scraping blades, the concrete in the charging box can be pushed out completely.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram for showing the connection relationship of the base, the sliding rod and the sliding plate according to the embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an exploded view of an embodiment of the present invention showing the connection of the slide plate to the charging box;
fig. 5 is a schematic structural view for showing a loading box according to an embodiment of the present invention.
Reference numerals: 1. a support frame; 11. a weighing hopper; 111. a feed inlet; 112. a blanking port; 113. an opening and closing device; 12. a conveyor belt; 13. a base; 2. a slide bar; 21. a first servo motor; 22. a winding wheel; 23. a nylon cord; 231. hooking; 3. a sliding plate; 31. a collar; 32. hanging a ring; 33. a second servo motor; 4. a charging box; 5. a track; 51. a T-shaped slot; 52. a long groove; 53. a lead screw; 6. moving the plate; 61. a T-shaped block; 62. a threaded sleeve; 7. a driving cylinder; 8. pushing the plate; 81. and (4) scraping the blade.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, a construction waste concrete batching weighing hopper convenient for loading comprises a support frame 1 and a weighing hopper 11 arranged on the support frame 1, wherein the top of the weighing hopper 11 is provided with a feeding hole 111, the bottom of the weighing hopper is provided with a blanking hole 112, and an opening and closing device 113 is arranged at the blanking hole 112; in the present embodiment, the opening and closing device 113 is a prior art, and those skilled in the art can understand the specific structure of the opening and closing device 113, and the improvement of the present invention is not greatly related to the specific structure of the opening and closing device 113, and thus the description thereof is omitted; a conveyor belt 12 is arranged below the blanking opening 112.
As shown in fig. 1 and 2, a base 13 is arranged on one side of the support frame 1, which is located on the weighing hopper 11, two sliding rods 2 extending vertically and upwardly are arranged on the base 13, a sliding plate 3 is arranged between the two sliding rods 2 in a sliding manner, namely, lantern rings 31 (see fig. 3) which are slidably sleeved with the sliding rods 2 are arranged on both sides of the sliding plate 3, and a teflon layer is covered on the surface of each sliding rod 2; the sliding rod 2 is provided with a driving assembly, and the driving assembly is used for driving the sliding plate 3 to slide in the vertical direction.
As shown in fig. 2 and 3, the driving assembly is a first servo motor 21 disposed at the top of the sliding rod 2, in this embodiment, the top of each sliding rod 2 is provided with a first servo motor 21, and the two first servo motors 21 rotate synchronously, an output shaft of the first servo motor 21 extends in the horizontal direction, and an output shaft of the first servo motor 21 is coaxially provided with a winding wheel 22, a nylon rope 23 extending vertically and downwardly is wound on the winding wheel 22, one end of the nylon rope 23 is connected with the sliding plate 3, that is, the end of the nylon rope 23 is provided with a hook 231, and the sliding plate 3 is provided with a hanging ring 32 fastened with the hook 231.
Starting the first servo motor 21, wherein the winding wheel 22 on the output shaft of the first servo motor 21 starts to rotate at the moment, the nylon rope 23 wound on the winding wheel 22 is gradually wound on the winding wheel 22, and the sliding plate 3 is pulled up by the vertical upward pulling force generated when the nylon rope 23 is wound, so that the sliding plate 3 moves vertically upward; when the output shaft of the first servo motor 21 drives the winding wheel 22 to rotate reversely, the nylon rope 23 extends vertically downwards, and the sliding plate 3 slides vertically downwards under the action of gravity, so that the effect of driving the sliding plate 3 to move vertically conveniently is achieved.
As shown in fig. 4, the sliding plate 3 is slidably provided with a charging box 4, that is, a rail 5 is provided on the plate surface of the sliding plate 3, the length direction of the rail 5 is perpendicular to the length direction of a straight line formed by connecting lines of the two lantern rings 31, a moving plate 6 is movably provided on the rail 5, the charging box 4 is provided on the moving plate 6, a T-shaped groove 51 is provided on the rail 5 along the length direction of the rail 5, and a T-shaped block 61 which is slidably matched with the T-shaped groove 51 is provided on the moving plate 6.
Due to the shape characteristics of the T-shaped blocks 61 and the T-shaped grooves 51, the moving plate 6 does not separate from the rail 5 during the sliding process along the length direction of the rail 5, so that the moving plate 6 can drive the charging box 4 to normally slide on the rail 5.
As shown in fig. 1 and 4, an upper opening of the charging box 4 and a side wall close to the weighing hopper 11 are both provided with openings, a driving device is provided on the sliding plate 3, the driving device is used for driving the charging box 4 to move on the sliding plate 3 to the weighing hopper 11 side, a long groove 52 with two sealed ends is further provided on the rail 5 along the length direction of the rail 5, a lead screw 53 is rotatably penetrated in the long groove 52, a threaded sleeve 62 in threaded sleeve connection with the lead screw 53 is provided on the moving plate 6, the driving device is a second servo motor 33 provided on the sliding plate 3, and an output shaft of the second servo motor 33 is coaxially connected with one end of the lead screw 53 penetrating through the long groove 52.
When the moving plate 6 and the charging box 4 need to be driven to move on the sliding plate 3, the second servo motor 33 is started, so that the lead screw 53 starts to rotate, and as the moving plate 6 is sleeved with the lead screw 53 through the threaded sleeve 62, under the limiting action of the rotation of the lead screw 53 and the clamping of the T-shaped block 61 on the T-shaped groove 51, the threaded sleeve 62 starts to move along the length direction of the lead screw 53, so that the moving plate 6 and the charging box 4 are driven to move along the length direction of the track 5, and the effect of driving the charging box 4 to move conveniently is achieved.
As shown in fig. 1 and 5, the charging box 4 is provided with a shoveling assembly, the shoveling assembly is used for shoveling concrete in the charging box 4 into the feeding port 111, the shoveling assembly is a driving cylinder 7, the driving cylinder 7 is arranged on a side wall of the charging box 4 away from the side end opening, a piston rod of the driving cylinder 7 extends towards a direction opposite to the side end opening of the charging box 4, two push plates 8 are arranged on the piston rod of the driving cylinder 7 at intervals, the concrete in the charging box 4 is located between the two push plates 8, when one push plate 8 is attached to the inner wall of the charging box 4, the other push plate 8 is located at a position for shielding the side end opening of the charging box 4; in order to allow the concrete inside the charging box 4 to be pushed out relatively completely, the pusher plate 8 is provided with a wiper blade 81 that abuts against the inner bottom wall of the charging box 4.
After the movable plate 6 drives the charging box 4 to move to a position where the opening of the side wall of the charging box 4 is positioned right above the feeding hole 111 of the weighing hopper 11, the driving cylinder 7 is started to extend the piston rod of the driving cylinder 7, at the moment, the two push plates 8 can move out of the charging box 4, so that concrete in the charging box 4 is pushed out and directly falls into the feeding hole 111 of the weighing hopper 11, and the effect of conveniently pushing the raw materials in the charging box 4 into the hopper is achieved.
The specific working process is as follows: firstly, the sliding plate 3 between the two sliding rods 2 is moved to a position attached to the base 13, then concrete is poured into an area between the two push plates 8 in the charging box 4, the first servo motor 21 is started to enable the nylon rope 23 to contract, the sliding plate 3 drives the charging box 4 to vertically move upwards, after the sliding plate is moved to a position higher than the weighing hopper 11, the first servo motor 21 is closed, then the driving device is started, the charging box 4 is made to move towards one side close to the weighing hopper 11 on the sliding plate 3, a side end opening of the charging box 4 is made to be located right above a feeding hole 111 of the weighing hopper 11, finally, the driving cylinder 7 is started, the concrete in the charging box 4 is pushed into the hopper, and feeding is achieved.
Claims (8)
1. The utility model provides a building rubbish concrete batching is weighed and is fought convenient to material loading, includes support frame (1) and the fill (11) of weighing of setting on support frame (1), feed inlet (111) have been seted up at the top of the fill (11) of weighing, blanking mouth (112) have been seted up to the bottom, blanking mouth (112) department is provided with device (113) that opens and shuts, blanking mouth (112) below is provided with conveyer belt (12), its characterized in that: the concrete shovel is characterized in that a base (13) is arranged on one side, located on the weighing hopper (11), of the support frame (1), two sliding rods (2) extending vertically and upwards are arranged on the base (13), a sliding plate (3) is arranged between the two sliding rods (2) in a sliding mode, a driving assembly for driving the sliding plate (3) to slide in the vertical direction is arranged on the sliding rod (2), a charging box (4) with an opening in the upper portion is arranged on the sliding plate (3) in a sliding mode, a driving device for driving the charging box (4) to move towards the weighing hopper (11) side on the sliding plate (3) is arranged on the sliding plate (3), and a shoveling-out assembly for shoveling concrete in the charging box (4) into the feeding port (111) is arranged on the charging box (4).
2. The building rubbish concrete batching weighing hopper convenient to material loading of claim 1, characterized in that: lantern rings (31) which are sleeved with the sliding rods (2) in a sliding mode are arranged on the two sides of the sliding plate (3), and Teflon layers are covered on the surfaces of the sliding rods (2).
3. The building rubbish concrete batching weighing hopper convenient to material loading of claim 1, characterized in that: the driving assembly comprises a first servo motor (21) arranged at the top of the sliding rod (2), an output shaft of the first servo motor (21) extends in the horizontal direction, a winding wheel (22) is coaxially arranged on the output shaft of the first servo motor (21), a nylon rope (23) extending vertically and downwards is wound on the winding wheel (22), and one end of the nylon rope (23) is connected with the sliding plate (3).
4. The construction waste concrete batching weighing hopper convenient to feed according to claim 3, characterized in that: the end part of the nylon rope (23) is provided with a hook (231), and the sliding plate (3) is provided with a hanging ring (32) which is buckled with the hook (231).
5. The building rubbish concrete batching weighing hopper convenient to material loading of claim 2, characterized in that: the rail type loading device is characterized in that a rail (5) which is vertical to the length direction of a straight line formed by connecting the length direction of the rail and two lantern rings (31) is arranged on the surface of the sliding plate (3), a moving plate (6) is movably arranged on the rail (5), the loading box (4) is arranged on the moving plate (6), a T-shaped groove (51) is formed in the rail (5) along the length direction of the rail (5), and a T-shaped block (61) which is in sliding fit with the T-shaped groove (51) is arranged on the moving plate (6).
6. The construction waste concrete batching weighing hopper convenient to feed according to claim 5, characterized in that: the track (5) is further provided with a long groove (52) with two sealed ends along the length direction of the track (5), a lead screw (53) penetrates through the long groove (52) in a rotating mode, the moving plate (6) is provided with a threaded sleeve (62) in threaded sleeve connection with the lead screw (53), the driving device comprises a second servo motor (33) arranged on the sliding plate (3), and an output shaft of the second servo motor (33) is coaxially connected with one end, penetrating out of the long groove (52), of the lead screw (53).
7. The building rubbish concrete batching weighing hopper convenient to material loading of claim 1, characterized in that: the side wall of the charging box (4) close to the weighing hopper (11) is provided with an opening, the shoveling assembly comprises a driving cylinder (7) arranged on the side wall of the charging box (4) far away from the side end opening, a piston rod of the driving cylinder (7) extends towards the direction just opposite to the side end opening of the charging box (4), two push plates (8) are arranged on the piston rod of the driving cylinder (7) at intervals, concrete in the charging box (4) is located between the two push plates (8), when one push plate (8) is attached to the inner wall of the charging box (4), the other push plate (8) is located at a position for shielding the side end opening of the charging box (4).
8. The construction waste concrete batching weighing hopper convenient to feed according to claim 7, characterized in that: and a scraping blade (81) attached to the inner bottom wall of the charging box (4) is arranged on the push plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572824.4U CN210210904U (en) | 2019-04-24 | 2019-04-24 | Building rubbish concrete batching is weighed and is fought convenient to material loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572824.4U CN210210904U (en) | 2019-04-24 | 2019-04-24 | Building rubbish concrete batching is weighed and is fought convenient to material loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210210904U true CN210210904U (en) | 2020-03-31 |
Family
ID=69924155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572824.4U Expired - Fee Related CN210210904U (en) | 2019-04-24 | 2019-04-24 | Building rubbish concrete batching is weighed and is fought convenient to material loading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210210904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198102A (en) * | 2020-09-24 | 2021-01-08 | 台州市建设市政工程检测中心有限公司 | Concrete anti-permeability machine |
| CN112622046A (en) * | 2020-12-17 | 2021-04-09 | 安徽省兴诚生态农业发展有限公司 | Concrete mixing device is used in afforestation construction |
-
2019
- 2019-04-24 CN CN201920572824.4U patent/CN210210904U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198102A (en) * | 2020-09-24 | 2021-01-08 | 台州市建设市政工程检测中心有限公司 | Concrete anti-permeability machine |
| CN112198102B (en) * | 2020-09-24 | 2024-02-20 | 台州市建设市政工程检测中心有限公司 | Concrete impervious machine |
| CN112622046A (en) * | 2020-12-17 | 2021-04-09 | 安徽省兴诚生态农业发展有限公司 | Concrete mixing device is used in afforestation construction |
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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: 20200331 |