CN115416156A - Intelligent pouring system for urban guardrails - Google Patents
Intelligent pouring system for urban guardrails Download PDFInfo
- Publication number
- CN115416156A CN115416156A CN202210950256.3A CN202210950256A CN115416156A CN 115416156 A CN115416156 A CN 115416156A CN 202210950256 A CN202210950256 A CN 202210950256A CN 115416156 A CN115416156 A CN 115416156A
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- China
- Prior art keywords
- concrete
- hopper
- urban
- stirring
- shell
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- 238000003756 stirring Methods 0.000 claims abstract description 34
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 19
- 238000007711 solidification Methods 0.000 abstract description 7
- 230000008023 solidification Effects 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/1215—Independent stirrer-drive units, e.g. portable or mounted on a wheelbarrow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/168—Discharging chutes for concrete mixers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses an intelligent pouring system for urban guardrails, which relates to the technical field of urban guardrail pouring construction and solves the technical problems that concrete is placed in a storage vat for a long time and can be solidified, further the subsequent pouring construction can be influenced, a used pouring pipeline cannot be well disassembled and cleaned, and certain blockage can be caused in the next use; pour the mechanism through setting up, utilize agitator motor cooperation (mixing) shaft and puddler to come to carry out stirring work to the concrete of placing in the hopper shell, come to stir the concrete of placing on the one hand, avoid longer engineering time to cause the solidification of concrete, and then influence holistic construction progress, the concrete that on the other hand mixd also can avoid causing the condition of jam to appear when the ejection of compact, cooperate the inside electric heating wire who sets up of puddler shell to come to carry out heat treatment to the concrete, further assurance concrete long time is placed the solidification phenomenon that causes.
Description
Technical Field
The invention belongs to the technical field of urban guardrail pouring construction, and particularly relates to an intelligent urban guardrail pouring system.
Background
Along with the continuous progress of the productivity level, the highway construction in China is developed at a rapid speed, the concrete guardrail is an important part in the highway construction, most of urban guardrails are poured by adopting a traditional construction method in China at present, the traditional construction method is not only troublesome and labor-consuming, but also the honeycomb pitted surface of the urban guardrails poured by the traditional pouring method is often generated.
Current device is when pouring city guardrail, pour through pouring the pump, but through pouring the pump at the in-process of pouring, because the process of pouring the construction is longer, concrete long time place in the storage vat can cause the condition of solidifying, in case the concrete causes to solidify then can exert an influence to holistic pouring construction, secondly pour the work and accomplish the back and remain if the dismantlement clearance that can not be timely of concrete in pouring the pipeline, can cause the jam to next use, and then influence the progress of construction.
Disclosure of Invention
The present invention is directed to at least solving the problems of the prior art; therefore, the invention provides an intelligent pouring system for urban guardrails, which is used for solving the technical problems that the concrete is solidified when being placed in a storage vat for a long time, further subsequent pouring construction is influenced, and a pouring pipeline after the concrete is used cannot be well disassembled and cleaned, so that certain blockage can be caused when the pouring pipeline is used next time.
In order to achieve the above object, an embodiment according to a first aspect of the present invention provides an intelligent casting system for a city guardrail, which includes a mobile trolley, a concrete unloading hopper is fixedly connected above one side of the mobile trolley, the concrete unloading hopper is used for performing transient storage processing on the pushed concrete, a casting mechanism is arranged on one side of the concrete unloading hopper, the casting mechanism includes two concrete cylinders, the two concrete cylinders are arranged in parallel, the two concrete cylinders are used for rapidly discharging the concrete in the hopper, a placing plate is arranged at the bottom of the two concrete cylinders, the placing plate is used for supporting the concrete cylinders, the top of the two concrete cylinders is provided with the hopper, the bottom of the hopper is provided with two feeding distribution valves, the two feeding distribution valves are communicated with the two concrete cylinders, one side of the two concrete cylinders is provided with a Y-shaped pipe, the two concrete cylinders are communicated with one end of the Y-shaped pipe, the joint of the Y-shaped pipe and the concrete cylinder is fixedly connected with a discharge valve, the discharge valve is used for controlling the pushing speed of the concrete conveying pipe, and the two concrete cylinders are driven by a piston rod to compress the concrete cylinder to drive the concrete cylinder to push the concrete cylinder at a constant speed.
Preferably, Y type pipe includes Y type pipe main part, the equal spacing box of fixedly connected with in top both sides of Y type pipe main part, and two spacing box structures, function are the same, one side the inside of spacing box is provided with two pull rods, two the inner wall fixedly connected with of spacing box is run through to the one end of pull rod connects the handle, utilizes spacing box, pull rod and the connection handle that sets up to come quick dismantlement work to Y type pipe and concrete cylinder, is convenient for clear up the Y type pipe after the use, and quick installation simultaneously also saves time for holistic construction with the dismantlement.
Preferably, two connect and all be provided with the spring on the handle, come to reset work, two to the pull rod through the spring the other end fixedly connected with stopper of pull rod, two joint pieces of inner wall fixedly connected with of connector are run through to the bottom of stopper, set up the joint piece into the cross for better come to carry out the joint work to guarantee the stability of connecting, set up the joint groove of mutually matchinging with the joint piece on the while.
Preferably, the hopper includes the hopper shell, the inner chamber of hopper shell rotates and is connected with the (mixing) shaft, the equal a plurality of puddlers of fixedly connected with in both sides of (mixing) shaft, it is a plurality of the puddler includes the puddler shell, and is a plurality of the inner chamber of puddler shell all is provided with electric heating wire, utilizes the inside electric heating wire who sets up of a plurality of puddlers to come to carry out the thermal treatment to the concrete of stirring to avoid the solidification of concrete, one side of hopper shell is provided with agitator motor, and the work that utilizes agitator motor to drive (mixing) shaft and puddler comes to carry out the stirring to the concrete of hopper shell inside and handles, avoids placing of concrete for a long time to cause the condition of solidifying, also can utilize the concrete of stirring to cause the condition of jam when avoiding the ejection of compact simultaneously.
Preferably, the top of the concrete discharging hopper is provided with a concrete pipe, the top of the movable trolley is fixedly connected with two cross beams, the two cross beams are fixedly connected in parallel from front to back, and the two cross beams are used for better placing the concrete pipe.
Preferably, two fixedly connected with bracing piece between the crossbeam utilizes the bracing piece to come to carry out the erection bracing to the concrete pipe, and concrete pipe and bracing piece fixed connection, two one side bottom of crossbeam is provided with the installation face, the top fixedly connected with concrete of installation face gets into the guardrail.
Preferably, the inner cavities of the two concrete cylinders are provided with pistons, one side of each piston is provided with a piston rod, and one side of each piston rod is connected with the hydraulic cylinder.
1. Compared with the prior art, the invention has the beneficial effects that: pour the mechanism through setting up, utilize agitator motor cooperation (mixing) shaft and puddler to come to carry out stirring work to the concrete of placing in the hopper shell, come to stir the concrete of placing on the one hand, avoid longer engineering time to cause the solidification of concrete, and then influence holistic construction progress, the concrete that on the other hand mixd also can avoid causing the condition of jam to appear when the ejection of compact, cooperate the inside electric heating wire who sets up of puddler shell to come to carry out heat treatment to the concrete, further assurance concrete long time is placed the solidification phenomenon that causes.
2. Compared with the prior art, the invention has the beneficial effects that: through the Y type pipe that sets up, utilize pull rod and connection handle to carry out holistic installation and dismantlement to Y type pipe, can carry out quick dismantlement work to it when out of work on the one hand, avoid the holistic removal of the great influence of volume, on the other hand can clear up the Y type pipe that dismantles down to avoid remaining in the concrete long time of the inside not clear up the condition that causes the jam, influence next use.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic diagram of an intelligent pouring steel frame of the urban guardrail;
FIG. 3 is a schematic structural view of a concrete pump device of the urban guardrail intelligent pouring system;
FIG. 4 is a cross-sectional view of a hopper of the present invention;
FIG. 5 is a schematic view of a Y-tube of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
fig. 7 is a cross-sectional view of a stirring rod of the present invention.
Reference numerals are as follows: 11. discharging concrete into a hopper; 12. a concrete pipe; 13. installing a board surface; 14. concrete enters the guardrail; 15. moving the trolley; 16. a cross beam; 17. a support bar; 2. a pouring mechanism; 21. a hopper; 211. a hopper housing; 212. a stirring shaft; 213. a stirring rod; 2131. a stir bar housing; 2132. an electric heating wire; 214. a stirring motor; 22. a concrete delivery pipe; 23. a Y-shaped pipe; 231. a Y-shaped pipe body; 232. a linker; 233. a limiting box; 234. a pull rod; 235. a connecting handle; 236. a spring; 237. a limiting block; 238. a clamping block; 24. a discharge distribution valve; 25. a feed distribution valve; 26. a concrete cylinder; 27. a piston; 28. a piston rod; 29. and a hydraulic cylinder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present application provides an intelligent casting system for urban balustrades, comprising a mobile trolley 15, a concrete discharge hopper 11 fixedly connected above one side of the mobile trolley 15, a plurality of electric stirring shafts 2132 connected to the inner side of the hopper 213, a plurality of electric stirring shafts 2131 connected to the inner side of the hopper 213, a plurality of electric stirring shafts 2132 connected to the inner side of the hopper 213, the concrete is prevented from being solidified after being placed for a long time, meanwhile, the concrete can be prevented from being blocked by stirring, the concrete is heated by an electric heating wire 2132 arranged in a stirring rod shell 2131, the solidification phenomenon caused by the concrete placed for a long time is further guaranteed, a placing plate is arranged at the bottom of each of two concrete cylinders 26 and is used for supporting the concrete cylinders 26, a hopper 21 is arranged at the top of each of the two concrete cylinders 26, two feeding distribution valves 25 are arranged at the bottom of the hopper 21, the two feeding distribution valves 25 are communicated with the two concrete cylinders 26, Y-shaped pipes 23 are arranged on one sides of the two concrete cylinders 26, each Y-shaped pipe 23 comprises a Y-shaped pipe main body 231, both sides of the top of each Y-shaped pipe main body 231 are fixedly connected with limiting boxes 233, and the two limiting boxes 233 have the same structure and function, two pull rods 234 are arranged in the limiting box 233 on one side, one ends of the two pull rods 234 penetrate through the inner wall of the limiting box 233 and are fixedly connected with a connecting handle 235, the Y-shaped pipe 23 and the concrete cylinder 26 are rapidly disassembled by utilizing the limiting box 233, the pull rods 234 and the connecting handle 235, the Y-shaped pipe 23 after use is convenient to clean, meanwhile, the rapid installation and disassembly are also time-saving for integral construction, springs 236 are arranged on the two connecting handles 235, the pull rods 234 are reset by the springs 236, the other ends of the two pull rods 234 are fixedly connected with limiting blocks 237, the bottom of the limiting block 237 penetrates through the inner wall of the connecting body 232 and is fixedly connected with two clamping blocks 238, the clamping blocks 238 are arranged in a cross shape to better clamp 6, so that the stability of connection is ensured, meanwhile, clamping grooves matched with the clamping blocks 238 are formed in the 6, the two concrete cylinders 26 are communicated with one end of the Y-shaped pipe 23, a discharge distribution valve 24 is fixedly connected at the joint of the Y-shaped pipe 23 and the concrete cylinders 26, the pushing speed of concrete is controlled by the discharge distribution valve 24, one end of the Y-shaped pipe 23 is fixedly connected with a concrete conveying pipe 22, one side of each of the two concrete cylinders 26 is provided with a hydraulic cylinder 29, the inner cavities of the two concrete cylinders 26 are slidably connected with pistons 27, one side of each of the two pistons 27 is fixedly connected with a piston rod 28, one side of each of the two piston rods 28 is connected with the hydraulic cylinder 29, the hydraulic cylinders 29 are used for driving the piston rods 28 to move so as to drive the pistons 27 to compress and push the concrete in the concrete cylinders 26, the hydraulic cylinders 29 are used for ensuring the speed of the concrete in the pushing process and keeping a uniform pushing speed, and by arranging the pouring mechanism 2, utilize agitator motor 214 cooperation (mixing) shaft 212 and puddler 213 to come to carry out stirring work to the concrete of placing in the hopper shell 211, come to stir the concrete of placing on the one hand, avoid longer engineering time to cause the solidification of concrete, and then influence holistic construction progress, the concrete that on the other hand stirred also can avoid causing the condition of jam to appear when the ejection of compact, Y type pipe 23 through setting up, utilize pull rod 234 and connection handle 235 to carry out holistic installation and dismantlement to Y type pipe 23, can carry out quick dismantlement work to it when out of work on the one hand, avoid the holistic removal of the great influence of volume, on the other hand can clear up the Y type pipe 23 that gets down, thereby avoid remaining the long-time not clear up condition that causes the jam of concrete inside, influence next use.
The working principle of the invention is as follows:
the method comprises the following steps: when the stirring device is used, concrete is firstly put into the hopper 21, then the stirring motor 214 is turned on, the rotation of the output end of the stirring motor 214 is utilized to drive the stirring shaft 212 to rotate, the rotation of the stirring rods 213 at two sides of the stirring shaft 212 is further driven to stir the concrete in the hopper shell 211, meanwhile, the electric heating wire 2132 is utilized to heat the stirring rod shell 2131, so that heat is transferred to the concrete, and the condition that the concrete placed in the hopper shell 211 is solidified due to long-time construction is avoided, and the subsequent construction is influenced.
Step two: and then, the concrete in the hopper 21 is put into the two concrete cylinders 26 by controlling the feeding distribution valve 25, at the moment, the two hydraulic cylinders 29 are started, the concrete in the concrete cylinders 26 is pushed into the Y-shaped pipes 23 by using the action of the pistons 27 and the piston rods 28, the pushing speed of the concrete is controlled by the discharging distribution valve 24, the condition that the pushing speed is too high to cause blockage is avoided, the pushed concrete is discharged into the concrete discharging hopper 11 through the concrete conveying pipe 22, and the next construction is carried out.
Step three: then, the concrete pump arranged in the concrete discharging hopper 11 is used for discharging the pushed concrete into the concrete pipe 12, and then the concrete is continuously conveyed to a place needing to be poured, and constructors vibrate the concrete by standing the concrete in the guardrail 14, so that the concrete pouring work is completed.
Step four: when subsequent need be dismantled the clearance to Y type pipe 23 after pouring the completion, only need pull open the connection handle 235 on both sides, break away from two concrete cylinders 26 through joint piece 238 and accomplish the dismantlement work to Y type pipe 23, otherwise then install Y type pipe 23.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a city guardrail intelligence pouring system, includes the mobile trolley, one side of mobile trolley is provided with the concrete and unloads into the hopper, one side that the concrete unloaded into the hopper is provided with pours the mechanism, a serial communication port, it includes the concrete jar to pour the mechanism, and concrete jar parallel arrangement has two, two the top of concrete jar is provided with the hopper, the bottom of hopper is provided with two feeding distributing valves, and two feeding distributing valves and two concrete jar intercommunications, two one side of concrete jar is provided with Y type pipe, and Y type pipe and concrete jar junction are provided with ejection of compact distributing valve, the one end of Y type pipe is provided with the concrete conveying pipe, two one side of concrete jar all is provided with the pneumatic cylinder.
2. The intelligent pouring system for the urban guardrails according to claim 1, wherein the Y-shaped pipe comprises a Y-shaped pipe body, two limiting boxes are arranged on two sides of the top of the Y-shaped pipe body, the two limiting boxes are identical in structure and function, two pull rods are arranged inside the limiting box on one side, and one ends of the two pull rods penetrate through the inner wall of each limiting box and are fixedly connected with a connecting handle.
3. The intelligent pouring system for the urban guardrails according to claim 2, wherein springs are arranged on the two connecting handles, limiting blocks are fixedly connected to the other ends of the two pull rods, and two clamping blocks are fixedly connected to the bottoms of the limiting blocks, penetrate through the inner wall of the connecting body.
4. The intelligent pouring system for the urban guardrails according to claim 1, wherein the hopper comprises a hopper shell, a stirring shaft is arranged in an inner cavity of the hopper shell, a plurality of stirring rods are arranged on two sides of the stirring shaft, the plurality of stirring rods comprise a stirring rod shell, an electric heating wire is arranged in an inner cavity of the stirring rod shell, and a stirring motor is arranged on one side of the hopper shell.
5. The intelligent casting system for the urban guardrail according to claim 4, wherein a concrete pipe is arranged at the top of the concrete discharge hopper, a cross beam is arranged at the top of the mobile trolley, and two cross beams are arranged in parallel.
6. The intelligent pouring system for the urban guardrail according to claim 5, wherein a support rod is arranged between the two cross beams, the concrete pipe is fixedly connected with the support rod, an installation plate surface is arranged at the bottom of one side of the two cross beams, and a concrete inlet guardrail is arranged at the top of the installation plate surface.
7. The intelligent casting system for urban guardrails according to claim 1, wherein pistons are arranged in the inner cavities of the two concrete cylinders, piston rods are arranged on one sides of the two pistons, and one sides of the piston rods are connected with the hydraulic cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210950256.3A CN115416156A (en) | 2022-08-09 | 2022-08-09 | Intelligent pouring system for urban guardrails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210950256.3A CN115416156A (en) | 2022-08-09 | 2022-08-09 | Intelligent pouring system for urban guardrails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115416156A true CN115416156A (en) | 2022-12-02 |
Family
ID=84195747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210950256.3A Pending CN115416156A (en) | 2022-08-09 | 2022-08-09 | Intelligent pouring system for urban guardrails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115416156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044166A (en) * | 2023-03-02 | 2023-05-02 | 中交一公局集团有限公司 | Self-processing template trolley for anti-collision guardrail |
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| CN205243749U (en) * | 2015-12-23 | 2016-05-18 | 中铁十二局集团第二工程有限公司 | Piston concrete pump |
| CN208197187U (en) * | 2018-05-15 | 2018-12-07 | 中建八局第二建设有限公司 | A kind of concrete mixer |
| CN211415671U (en) * | 2019-12-25 | 2020-09-04 | 常德小枰建材有限公司 | Assembled reinforced concrete drain pipe ditch bottom plate template |
| CN211436752U (en) * | 2019-10-24 | 2020-09-08 | 山东新城建工股份有限公司 | Spray head for concrete sprayer |
| CN213160259U (en) * | 2020-07-14 | 2021-05-11 | 丁友升 | Emulsified building asphalt storage device |
| CN213329314U (en) * | 2020-08-14 | 2021-06-01 | 张红丽 | Can effectively avoid municipal drainage pipe of jam |
| CN213357995U (en) * | 2020-09-04 | 2021-06-04 | 苏州瑞彩数码纺织科技有限公司 | Textile printing and dyeing machine with automatic winding function |
-
2022
- 2022-08-09 CN CN202210950256.3A patent/CN115416156A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205243749U (en) * | 2015-12-23 | 2016-05-18 | 中铁十二局集团第二工程有限公司 | Piston concrete pump |
| CN208197187U (en) * | 2018-05-15 | 2018-12-07 | 中建八局第二建设有限公司 | A kind of concrete mixer |
| CN211436752U (en) * | 2019-10-24 | 2020-09-08 | 山东新城建工股份有限公司 | Spray head for concrete sprayer |
| CN211415671U (en) * | 2019-12-25 | 2020-09-04 | 常德小枰建材有限公司 | Assembled reinforced concrete drain pipe ditch bottom plate template |
| CN213160259U (en) * | 2020-07-14 | 2021-05-11 | 丁友升 | Emulsified building asphalt storage device |
| CN213329314U (en) * | 2020-08-14 | 2021-06-01 | 张红丽 | Can effectively avoid municipal drainage pipe of jam |
| CN213357995U (en) * | 2020-09-04 | 2021-06-04 | 苏州瑞彩数码纺织科技有限公司 | Textile printing and dyeing machine with automatic winding function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044166A (en) * | 2023-03-02 | 2023-05-02 | 中交一公局集团有限公司 | Self-processing template trolley for anti-collision guardrail |
| CN116044166B (en) * | 2023-03-02 | 2024-07-02 | 中交一公局集团有限公司 | Self-processing template trolley for anti-collision guardrail |
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Application publication date: 20221202 |