CN114290519A - Concrete mixer is used in road and bridge construction - Google Patents
Concrete mixer is used in road and bridge construction Download PDFInfo
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- CN114290519A CN114290519A CN202111660308.5A CN202111660308A CN114290519A CN 114290519 A CN114290519 A CN 114290519A CN 202111660308 A CN202111660308 A CN 202111660308A CN 114290519 A CN114290519 A CN 114290519A
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- seat
- processing box
- sleeve
- stirring
- stirring shaft
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 11
- 239000011324 bead Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of concrete mixers, in particular to a concrete mixer for road and bridge construction, which comprises a processing box, a water tank, a controller and a feeding funnel, wherein the water tank and the feeding funnel are both arranged on the processing box, the processing box is also provided with a top seat, and the concrete mixer further comprises: the stirring shaft is movably arranged in the processing box, and a power element connected with the stirring shaft is arranged on the processing box; the stirring blade units are arranged on the stirring shafts; the spraying module is arranged in the processing box and is communicated with the water tank through the top seat; the cleaning systems are arranged in the processing box in a plurality of groups; the scraping plate can move up and down along the vertical direction while rotating along with the stirring shaft, so that the cleaning effect on the inner wall of the processing box is improved, the condition that the subsequent stirring work is influenced due to the fact that the materials are stuck on the inner wall of the processing box is avoided, and meanwhile, the angle between the stirring blade unit and the stirring shaft can be changed, so that the concrete stirring work is more sufficient and uniform.
Description
Technical Field
The invention relates to the technical field of concrete mixers, in particular to a concrete mixer for road and bridge construction.
Background
The concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening.
When carrying out stirring work to the concrete, need utilize the mixer, but current mixer mostly includes agitator tank body, (mixing) shaft and drive (mixing) shaft's motor, still has following defect except simple structure and function singleness:
the existing mixer has a large amount of concrete attached to the inner wall of a mixer case in the mixing process, and if the concrete is hardened due to untimely treatment, the subsequent concrete mixing work is easily affected, and the mixing quality of the concrete is reduced.
Disclosure of Invention
The invention aims to provide a concrete mixer for road and bridge construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a concrete mixer is used in road and bridge construction, includes processing case, water tank, controller and feed hopper, water tank and feed hopper all set up on the processing case, are equipped with the unloading window on the processing case, and the activity is provided with the shutoff board in the unloading window, the controller sets up on the water tank, still is equipped with the footstock on the processing case, still includes:
the stirring shaft is movably arranged in the processing box, and a power element connected with the stirring shaft is arranged on the processing box;
the stirring blade units are arranged on the stirring shafts;
the spraying module is arranged in the processing box, is communicated with the water tank through the top seat and is used for injecting water in the water tank into the processing box;
the cleaning systems are arranged in the processing box in a plurality of groups and used for cleaning the inner wall of the processing box, each group of cleaning systems is movably connected with the stirring shaft through the stirring blade unit, and the angle between the stirring blade unit and the stirring shaft can be adjusted when the cleaning systems work; wherein
Each set of the cleaning systems comprises:
the mounting seat is arranged on one side of the stirring shaft and is movably connected with the stirring shaft through the stirring blade unit, a piston is movably arranged in the mounting seat and is elastically connected with the stirring shaft through a connecting arm;
the wiping plate is arranged on the mounting seat and is in clearance fit with the inner wall of the processing box; and
and the adjusting module is arranged between the mounting seat and the processing box and used for adjusting the position of the mounting seat relative to the stirring shaft.
The application further adopts the technical scheme that: the stirring blade unit comprises a stirring blade and a movable rod, the stirring blade and the movable rod are respectively movably connected with the stirring shaft and the mounting base, and one end of the movable rod is movably inserted into the stirring blade.
The application further adopts the technical scheme that: the adjusting module comprises a ring seat, a plurality of convex blocks, a wheel seat and a roller;
the ring seat is arranged in the processing box, the plurality of protruding blocks are arranged on the ring seat, the wheel seat is arranged on the mounting seat, the roller is movably arranged at one end of the wheel seat and is in sliding fit with the ring seat, and the protruding blocks are located on a moving path of the roller.
The application further adopts the technical scheme that: the spray module includes:
the sleeve seat is sleeved on the outer wall of the stirring shaft and communicated with the top seat;
the sleeve is movably arranged on the sleeve seat and communicated with the sleeve seat;
the number of the water spraying heads is a plurality, the water spraying heads are all arranged on the sleeve, and the water spraying heads are communicated with the sleeve; and
the positioning unit is arranged between the sleeve and the roller, and the position of the sleeve in the processing box can be adjusted through the positioning unit when the roller moves.
This application still further technical scheme: the position adjusting unit comprises a rotary disc, a rotating shaft and a touch rod;
pivot and gyro wheel coaxial coupling, the activity is provided with the removal seat on the cover seat, removes seat and pivot swing joint, and the cover sleeve is established on the outer wall of pivot and with remove a elastic connection, and the conflict pole setting is in telescopic one end, and the carousel cover is established in the pivot and the carousel on the shaping have with conflict pole sliding fit's inclined plane.
This application still further technical scheme: one end of the touch bar is provided with a resistance reducing piece for reducing the friction resistance between the touch bar and the inclined surface.
This application still further technical scheme: the sleeve seat is internally provided with an output hole communicated with the top seat, one side of the sleeve seat, which is positioned at the output hole, is provided with a through hole, the through hole is communicated with the sleeve, the sleeve seat is also movably provided with a valve plate, the valve plate is positioned between the output hole and the through hole, and the valve plate is connected with the movable seat.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, by adopting a linkage structure, when the stirring shaft is driven by the stepping motor to rotate, the rollers on the mounting seat meet and abut against the convex blocks at different positions on the ring seat in sequence, so that the wiping plate can move up and down along the vertical direction while rotating along with the stirring shaft, the cleaning effect on the inner wall of the processing box is improved, the condition that subsequent stirring work is influenced due to the occurrence of sticky materials on the inner wall of the processing box is avoided, and meanwhile, the angle between the stirring blade unit and the stirring shaft can be changed, so that the concrete stirring work is more sufficient and uniform.
Drawings
FIG. 1 is a schematic structural view of a concrete mixer for road and bridge construction according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic structural view of a concrete mixer for road and bridge construction at the position A in the embodiment of the present invention;
FIG. 3 is an enlarged schematic structural view of a concrete mixer for road and bridge construction at a position B in the embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a concrete mixer for road and bridge construction at the position b according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a ring seat and a bump in the concrete mixer for road and bridge construction according to the embodiment of the present invention.
The reference numerals in the schematic drawings illustrate:
1-processing box, 2-water tank, 3-controller, 4-stepping motor, 5-feeding hopper, 6-blanking window, 7-blocking plate, 8-stirring shaft, 9-mounting seat, 10-wiping plate, 11-stirring blade, 12-movable rod, 13-piston, 14-connecting arm, 15-ring seat, 16-convex block, 17-wheel seat, 18-roller, 19-rotary table, 20-inclined surface, 21-rotary shaft, 22-sleeve, 23-water spray head, 24-movable seat, 25-sleeve seat, 26-touch rod, 27-ball, 28-output hole, 29-through hole, 30-valve plate and 31-top seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1-5, in an embodiment of the present application, a concrete mixer for road and bridge construction includes a processing box 1, a water tank 2, a controller 3, and a feeding funnel 5, wherein the water tank 2 and the feeding funnel 5 are both disposed on the processing box 1, a blanking window 6 is disposed on the processing box 1, a plugging plate 7 is movably disposed in the blanking window 6, the controller 3 is disposed on the water tank 2, and a top seat 31 is further disposed on the processing box 1, and the concrete mixer further includes:
the stirring shaft 8 is movably arranged in the processing box 1, and a power element connected with the stirring shaft 8 is arranged on the processing box 1;
the stirring blade units are arranged on the stirring shafts 8;
the spraying module is arranged in the processing box 1, is communicated with the water tank 2 through a top seat 31, and is used for injecting water in the water tank 2 into the processing box 1;
the cleaning systems are arranged in the processing box 1 in a plurality of groups and used for cleaning the inner wall of the processing box 1, each group of cleaning systems is movably connected with the stirring shaft 8 through the stirring blade unit, and the angle between the stirring blade unit and the stirring shaft 8 can be adjusted when the cleaning systems work; wherein
Each set of the cleaning systems comprises:
the mounting seat 9 is arranged on one side of the stirring shaft 8 and is movably connected with the stirring shaft 8 through a stirring blade unit, a piston 13 is movably arranged in the mounting seat 9 and is elastically connected with the mounting seat, and the piston 13 is connected with the stirring shaft 8 through a connecting arm 14;
the wiping plate 10 is arranged on the mounting seat 9, and the wiping plate 10 is in clearance fit with the inner wall of the processing box 1; and
and the adjusting module is arranged between the mounting seat 9 and the processing box 1 and is used for adjusting the position of the mounting seat 9 relative to the stirring shaft 8.
It should be noted that the power element may be a stepping motor 4 or a servo motor, in this embodiment, the power element is preferably a stepping motor 4, the stepping motor 4 is disposed on the processing box 1, and the output end of the stepping motor 4 is connected to the stirring shaft 8, and as for the specific model of the stepping motor 4, the best choice can be made according to the actual situation, and the specific model is not limited specifically here.
In this embodiment, the stirring blade unit includes a stirring blade 11 and a movable rod 12, the stirring blade 11 and the movable rod 12 are movably connected to the stirring shaft 8 and the mounting seat 9, respectively, and one end of the movable rod 12 is movably inserted into the stirring blade 11.
In practical application, concrete raw materials are poured into the processing box 1 along the feeding hopper 5, the controller 3 controls the stepping motor 4 to pass through the processing box to drive the stirring shaft 8 to rotate, so as to drive the mounting seat 9 and the stirring blade unit to rotate to stir the concrete raw materials in the processing box 1, meanwhile, the controller 3 controls a water pump (not shown in the figure) in the water tank 2 to work and spray water into the concrete raw materials in the processing box 1 through the spraying module, when the mounting seat 9 and the wiping plate 10 move along the inner wall of the processing box 1, the wiping plate 10 can clean the concrete raw materials attached to the inner wall of the processing box 1 to avoid influencing subsequent stirring work, and simultaneously, under the action of the adjusting module, the mounting seat 9 can be driven to reciprocate along the vertical direction relative to the stirring shaft 8, on one hand, the wiping plate 10 can reciprocate along the vertical direction while rotating, on the other hand can also utilize under clearance fit's between movable rod 12 and the stirring vane 11 effect, adjust the angle between stirring leaf unit and the (mixing) shaft 8, and then fully carry out stirring work to the concrete raw materials, avoid appearing the stirring dead angle, and after the concrete mixing was accomplished, can open blanking plate 7, take out the concrete from unloading window 6.
Referring to fig. 1, 2, 3 and 5, as another preferred embodiment of the present application, the adjusting module includes a ring seat 15, a plurality of bumps 16, a wheel seat 17 and a roller 2718;
the ring seat 15 is arranged in the processing box 1, the plurality of protruding blocks 16 are arranged on the ring seat 15, the wheel seat 17 is arranged on the mounting seat 9, the roller 2718 is movably arranged at one end of the wheel seat 17 and is in sliding fit with the ring seat 15, and the protruding blocks 16 are located on a moving path of the roller 2718.
Of course, the adjusting module in this embodiment is not limited to the above-mentioned mechanical replacement structure, and may be replaced by a linear motor, an electric cylinder, or an air cylinder directly connected between the piston 13 and the mounting seat 9, as long as the position of the mounting seat 9 can be adjusted, which is not illustrated here.
In this embodiment, for example, the spraying module includes:
the sleeve seat 25 is sleeved on the outer wall of the stirring shaft 8 and is communicated with the top seat 31;
the sleeve 22 is movably arranged on the sleeve seat 25 and communicated with the sleeve seat 25;
a plurality of water spray heads 23 are arranged on the sleeve 22, and the water spray heads 23 are communicated with the sleeve 22; and
and the positioning unit is arranged between the sleeve 22 and the roller 2718, and the position of the sleeve 22 in the processing box 1 can be adjusted by the positioning unit when the roller 2718 moves.
The step motor 4 drives the stirring shaft 8 to rotate, thereby when the concrete raw material in the processing box 1 is stirred, the mounting seat 9 is driven and the wiping plate 10 rotates in the processing box 1, when the mounting seat 9 rotates, the roller 2718 on the mounting seat 9 successively encounters the raised blocks 16 at different positions on the ring seat 15, thereby the roller 2718 and the mounting seat 9 are driven to reciprocate along the vertical direction as shown in fig. 1, the wiping plate 10 can improve the cleaning effect of the attachment on the inner wall of the processing box 1 along the up-and-down reciprocating motion while following the rotation of the stirring shaft 8, the stirring blade unit can be driven to move while the mounting seat 9 reciprocates up and down, the angle between the stirring blade unit and the stirring shaft 8 is changed, thereby the stirring dead angle is avoided, the stirring effect on the concrete is further improved, and during the stirring process, the water in the water tank 2 flows along the top seat 31, The sleeve seat 25 and the sleeve 22 are sprayed to the concrete raw material in the processing box 1 from the water spraying head 23, and the roller 2718 rotates and can drive the positioning unit to synchronously work, so that the position of the water spraying head 23 is continuously changed, and the concrete raw material at each position can be fully mixed with water.
Referring to fig. 1, fig. 3 and fig. 4, as another preferred embodiment of the present application, the positioning unit includes a turntable 19, a rotating shaft 21 and a touch bar 26;
the rotating shaft 21 is coaxially connected with the roller 2718, the sleeve seat 25 is movably provided with a movable seat 24, the movable seat 24 is movably connected with the rotating shaft 21, the sleeve 22 is sleeved on the outer wall of the rotating shaft 21 and elastically connected with the movable seat 24, the abutting rod 26 is arranged at one end of the sleeve 22, the turntable 19 is sleeved on the rotating shaft 21, and the inclined surface 20 in sliding fit with the abutting rod 26 is formed on the turntable 19.
In a particular case of the present embodiment, one end of the resistance rod 26 is provided with a resistance-lowering member for reducing the frictional resistance between the resistance rod 26 and the inclined surface 20.
It should be noted that the resistance reducing member may be a wheel or a ball, and in this embodiment, the resistance reducing member is preferably a ball, and the ball is slidably embedded in one end of the contact rod 26 and slidably engaged with the inclined surface 20.
In another specific case of this embodiment, an output hole 28 is provided in the sleeve seat 25 and communicates with the top seat 31, a through hole 29 is provided on one side of the sleeve seat 25 located at the output hole 28, the through hole 29 communicates with the sleeve 22, a valve plate 30 is movably provided on the sleeve seat 25, the valve plate 30 is located between the output hole 28 and the through hole 29, and the valve plate 30 is connected with the movable seat 24.
Can drive carousel 19 synchronous rotation through pivot 21 when gyro wheel 2718 rotates, because the one side of carousel 19 is inclined plane 20, when different positions meet with the ball on inclined plane 20, can drive to touch and sleeve 22 and be reciprocating motion along pivot 21 on the horizontal direction, thereby change the position of sprinkler bead 23, avoid sprinkler bead 23 spun rivers to concentrate on the fixed position in processing case 1, the regional area of water spray has been increased, can drive simultaneously in mount pad 9 up-and-down reciprocating motion and remove seat 24 along the upper-and-lower reciprocating motion of cover seat 25, thereby drive valve plate 30 and remove, make through-hole 29 and delivery outlet 28 intermittent type formula intercommunication, water intermittent type in the control water tank 2 pours into in the processing case 1 into.
The working principle of the application is as follows:
concrete raw materials are poured into the processing box 1 along the feeding hopper 5, the controller 3 controls the stepping motor 4 to pass through, the stirring shaft 8 is driven to rotate, so that the mounting seat 9 and the stirring blade unit are driven to rotate to stir the concrete raw materials in the processing box 1, meanwhile, the controller 3 controls a water pump (not shown in the figure) in the water tank 2 to work and spray water into the concrete raw materials in the processing box 1 through a spraying module, when the mounting seat 9 rotates, the roller 2718 on the mounting seat 9 meets the raised blocks 16 at different positions on the ring seat 15 in sequence, so that the roller 2718 and the mounting seat 9 are driven to reciprocate along the vertical direction shown in figure 1, the wiping plate 10 can improve the cleaning effect on attachments on the inner wall of the processing box 1 along the vertical reciprocating motion while rotating along with the stirring shaft 8, and when the mounting seat 9 reciprocates up and down, can also drive the stirring blade unit to move, so that the angle between the stirring blade unit and the stirring shaft 8 is changed, thereby avoiding the occurrence of stirring dead angles, and further improving the stirring effect on concrete, the rotating disc 19 can be driven to synchronously rotate through the rotating shaft 21 when the roller 2718 rotates, because one surface of the rotating disc 19 is the inclined surface 20, when different positions on the inclined surface 20 meet with balls, the abutting head and the sleeve 22 can be driven to do reciprocating motion in the horizontal direction along the rotating shaft 21, thereby changing the position of the water spraying head 23, avoiding the water flow sprayed by the water spraying head 23 from concentrating in a fixed position in the processing box 1, increasing the area of a water spraying area, simultaneously, the mounting seat 9 can drive the moving seat 24 to do reciprocating motion up and down along the sleeve seat 25 while doing reciprocating motion up and down, thereby driving the valve plate 30 to move, so that the through holes 29 and the output holes 28 are intermittently communicated, and controlling the water in the water tank 2 to be intermittently injected into the processing box 1, after the concrete is stirred, the blanking plate 7 can be opened, and the concrete is taken out from the blanking window 6.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a concrete mixer is used in road and bridge construction, includes processing case, water tank, controller and feed hopper, water tank and feed hopper all set up on the processing case, are equipped with the unloading window on the processing case, and the activity is provided with the shutoff board in the unloading window, the controller sets up on the water tank, still is equipped with the footstock on the processing case, and its characterized in that still includes:
the stirring shaft is movably arranged in the processing box, and a power element connected with the stirring shaft is arranged on the processing box;
the stirring blade units are arranged on the stirring shafts;
the spraying module is arranged in the processing box, is communicated with the water tank through the top seat and is used for injecting water in the water tank into the processing box;
the cleaning systems are arranged in the processing box in a plurality of groups and used for cleaning the inner wall of the processing box, each group of cleaning systems is movably connected with the stirring shaft through the stirring blade unit, and the angle between the stirring blade unit and the stirring shaft can be adjusted when the cleaning systems work; wherein
Each set of the cleaning systems comprises:
the mounting seat is arranged on one side of the stirring shaft and is movably connected with the stirring shaft through the stirring blade unit, a piston is movably arranged in the mounting seat and is elastically connected with the stirring shaft through a connecting arm;
the wiping plate is arranged on the mounting seat and is in clearance fit with the inner wall of the processing box; and
and the adjusting module is arranged between the mounting seat and the processing box and used for adjusting the position of the mounting seat relative to the stirring shaft.
2. The concrete mixer for road and bridge construction according to claim 1, wherein the mixing blade unit comprises a mixing blade and a movable rod, the mixing blade and the movable rod are movably connected with the mixing shaft and the mounting base respectively, and one end of the movable rod is movably inserted into the mixing blade.
3. The concrete mixer for road and bridge construction according to claim 1, wherein the adjusting module comprises a ring seat, a plurality of convex blocks, a wheel seat and a roller;
the ring seat is arranged in the processing box, the plurality of protruding blocks are arranged on the ring seat, the wheel seat is arranged on the mounting seat, the roller is movably arranged at one end of the wheel seat and is in sliding fit with the ring seat, and the protruding blocks are located on a moving path of the roller.
4. The concrete mixer for road and bridge construction according to claim 3, wherein the spray module comprises:
the sleeve seat is sleeved on the outer wall of the stirring shaft and communicated with the top seat;
the sleeve is movably arranged on the sleeve seat and communicated with the sleeve seat;
the number of the water spraying heads is a plurality, the water spraying heads are all arranged on the sleeve, and the water spraying heads are communicated with the sleeve; and
the positioning unit is arranged between the sleeve and the roller, and the position of the sleeve in the processing box can be adjusted through the positioning unit when the roller moves.
5. The concrete mixer for road and bridge construction according to claim 4, wherein the positioning unit comprises a turntable, a rotating shaft and a touch rod;
pivot and gyro wheel coaxial coupling, the activity is provided with the removal seat on the cover seat, removes seat and pivot swing joint, and the cover sleeve is established on the outer wall of pivot and with remove a elastic connection, and the conflict pole setting is in telescopic one end, and the carousel cover is established in the pivot and the carousel on the shaping have with conflict pole sliding fit's inclined plane.
6. The concrete mixer for road and bridge construction according to claim 5, wherein the resistance rod is provided at one end thereof with a resistance-lowering member for reducing frictional resistance between the resistance rod and the inclined surface.
7. The concrete mixer for road and bridge construction according to claim 5 or 6, wherein the sleeve base is provided with an output hole communicated with the top base, a through hole is formed in one side of the sleeve base positioned on the output hole and communicated with the sleeve, the sleeve base is further movably provided with a valve plate, the valve plate is positioned between the output hole and the through hole, and the valve plate is connected with the movable base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660308.5A CN114290519A (en) | 2021-12-30 | 2021-12-30 | Concrete mixer is used in road and bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660308.5A CN114290519A (en) | 2021-12-30 | 2021-12-30 | Concrete mixer is used in road and bridge construction |
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| Publication Number | Publication Date |
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| CN114290519A true CN114290519A (en) | 2022-04-08 |
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| CN202111660308.5A Pending CN114290519A (en) | 2021-12-30 | 2021-12-30 | Concrete mixer is used in road and bridge construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055299A (en) * | 2022-06-09 | 2022-09-16 | 漳州市建筑工程有限公司 | Sponge urban landscaping soil restoration device |
| CN116174173A (en) * | 2023-04-28 | 2023-05-30 | 山东方明药业集团股份有限公司 | A raw materials centrifuge for medicament production |
| CN119458616A (en) * | 2025-01-16 | 2025-02-18 | 山西汾西华益实业有限公司 | Anti-condensation concrete sprayer |
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