CN115319923A - Concrete with good damping effect and preparation system and preparation method thereof - Google Patents
Concrete with good damping effect and preparation system and preparation method thereof Download PDFInfo
- Publication number
- CN115319923A CN115319923A CN202211020390.XA CN202211020390A CN115319923A CN 115319923 A CN115319923 A CN 115319923A CN 202211020390 A CN202211020390 A CN 202211020390A CN 115319923 A CN115319923 A CN 115319923A
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- iii
- porous sound
- fixedly connected
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 230000000694 effects Effects 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000011358 absorbing material Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover 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
- B28C9/00—General arrangement or layout of plant
- B28C9/002—Mixing systems, i.e. flow charts or diagrams; Making slurries; Involving methodical aspects; Involving pretreatment of ingredients; Involving packaging
-
- 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
- B28C5/003—Methods for mixing
-
- 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
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Building Environments (AREA)
Abstract
The invention relates to concrete processing, in particular to concrete with a good damping effect and a preparation system and a preparation method thereof. The method comprises the following steps: s1, pouring concrete mixture to form a concrete base with an upper opening; s2, uniformly distributed grooves are formed in the porous sound-absorbing material, the porous sound-absorbing material is placed in the concrete foundation, and the height of the porous sound-absorbing material is lower than that of the concrete foundation; s3, arranging mounting openings on the porous sound-absorbing material, wherein the number and the positions of the mounting openings are determined according to the mounting positions of the articles to be supported; s4, placing the metal column at the mounting opening, and arranging a positioning hole in the metal column, wherein the height of the metal column is not lower than that of the concrete foundation; and S5, filling the concrete base by using the concrete mixture. The concrete comprises a concrete base with an upper opening, a porous sound-absorbing material paved in the concrete base, grooves uniformly distributed at the upper end of the porous sound-absorbing material, and metal columns which are positioned in the grooves and are not lower than the concrete base. The object is to reduce noise caused by vibration of the apparatus.
Description
Technical Field
The invention relates to concrete processing, in particular to concrete with a good damping effect and a preparation system and a preparation method thereof.
Background
Since the installation environment of the equipment generating the vibrations does not allow the generation of noise and vibrations, such as the most common pump or mainframe equipment; when the equipment is operated, the vibration generated by the deviation of the mass center of the rotating part from the shaft center can generate larger noise and vibration and outward extension, the vibration is transmitted to other parts from the basic building structure of the operating equipment in the form of elastic waves and then appears in the form of noise, namely solid noise, and the vibration noise can influence the physical health, the working efficiency and the product quality of people and can also influence the surrounding environment, thereby endangering the safety of buildings. How to perform noise elimination, isolation and shock absorption on equipment so as to enable the noise of the periphery of a building and a used room to meet the requirements of the regulations is extremely important.
Disclosure of Invention
The invention provides concrete with a good shock absorption effect, a preparation system and a preparation method thereof, and aims to reduce noise generated by equipment vibration.
The above purpose is realized by the following technical scheme:
the utility model provides an effectual concrete preparation system of shock attenuation, including base III, install telescoping cylinder II on base III, be located base III below and realize the section of thick bamboo of cutting of going up and down through the drive of telescoping cylinder II, it is the under shed structure to cut a section of thick bamboo, the inner wall slip laminating of cutting a section of thick bamboo has the clamp plate, be equipped with the adsorption hole on the clamp plate, the upper end rigid coupling of clamp plate has the release link, release link sliding connection is on the upper portion of cutting a section of thick bamboo, the upper end rigid coupling of release link has spacing portion I, install the air pump on the base III, the air pump passes through the trachea and cuts a section of thick bamboo intercommunication, base III passes through xyz axle actuating mechanism adjusting position.
The reset rod is sleeved with a compression spring I, and two ends of the compression spring I are respectively in contact with the cutting cylinder and the pressing plate.
Still include base I, install telescoping cylinder I on base I, realize the base II that goes up and down through I drives of telescoping cylinder, install motor I on base II, with the axle of I output shaft rigid coupling of motor, axle and III rigid couplings of base, III upper ends rigid couplings of base have the support shell, hold in the palm and be equipped with the fixture who is used for the centre gripping cylinder on the shell, and the lower extreme at base III is installed to telescoping cylinder II, and the rotation of axle is used for changing the position of holding in the palm shell and surely a section of thick bamboo, base I with xyz axle actuating mechanism connects.
The xyz shaft drive mechanism comprises a support frame and two lead screws connected to the support frame in a rotating manner, wherein the two lead screws realize synchronous transmission through a belt pulley and belt assembly, one lead screw is driven to rotate through a motor II, wheels are installed at the lower end of the support frame, the support frame is driven by a linear drive mechanism and utilizes the wheels to walk, and the walking direction is vertical to the extending direction of the axis of the lead screw.
The clamping mechanism comprises a base III, a telescopic cylinder III arranged on the base III, an outer plate driven by the telescopic cylinder III to move left and right, two reset rods II are connected to the outer plate in a sliding manner, the inner ends of the two reset rods II are fixedly connected with an inner plate, the inner side of the inner plate is fixedly connected with two guide rods, each guide rod is fixedly connected with a clamping rod, a compression spring II is sleeved on each reset rod II, two ends of each compression spring II are respectively contacted with the outer plate and the inner plate, and the outer end of each reset rod II is fixedly connected with a limiting part II; the fixture symmetry is equipped with two, and guide arm sliding connection is on holding in the palm the shell, and III rigid couplings of base are on holding in the palm the shell.
The preparation method for preparing the concrete preparation system with good damping effect comprises the following steps:
s1, pouring concrete mixture to form a concrete base with an upper opening;
s2, uniformly distributed grooves are formed in the porous sound-absorbing material, the porous sound-absorbing material is placed in the concrete foundation, and the height of the porous sound-absorbing material is lower than that of the concrete foundation;
s3, arranging mounting openings on the porous sound-absorbing material, wherein the number and the positions of the mounting openings are determined according to the mounting positions of the articles to be supported;
s4, placing the metal column at the mounting opening, and arranging a positioning hole in the metal column, wherein the height of the metal column is not lower than that of the concrete foundation;
and S5, filling the concrete base by using the concrete mixture.
The concrete with good damping effect prepared by the preparation method comprises a concrete base with an upper opening, a porous sound-absorbing material paved in the concrete base, grooves uniformly distributed at the upper end of the porous sound-absorbing material, and metal columns which are positioned in the grooves and are not lower than the concrete base.
The groove is internally provided with a mounting opening, and the metal column is positioned in the mounting opening.
Drawings
FIG. 1 is a schematic flow chart of a concrete preparation method with good damping effect;
FIG. 2 is a schematic view of an overall structure of a concrete with good damping effect;
FIG. 3 is a schematic view of the internal structure of the concrete;
FIG. 4 is a schematic structural view of a porous sound-absorbing material;
FIG. 5 is a schematic view of the overall structure of a concrete preparation system with good damping effect;
FIG. 6 is a schematic structural diagram of a support frame, a lead screw and a motor I;
FIG. 7 is a schematic structural diagram of a telescopic cylinder I, a base II, a motor I and a shaft;
FIG. 8 is a schematic structural diagram of a base III, a telescopic cylinder II, a cutting cylinder, a pressing plate, an adsorption hole, a reset rod, an air pump, an air pipe and a support shell;
FIG. 9 is a schematic view of a portion of the structure of FIG. 8;
FIG. 10 is a schematic view of the connection of the cradle and the clamping mechanism;
fig. 11 is a schematic structural view of a clamping structure.
Detailed Description
For convenience of description, as shown in fig. 2 to 4, a concrete having a good shock-absorbing effect includes a concrete base 11, a porous sound-absorbing material 12, a groove 13, a mounting opening 14, a metal post 21, and a positioning hole 22;
specifically, the concrete base 11 is a thin-wall structure with an upper opening, a porous sound-absorbing material 12 with the thickness not higher than the top end surface of the concrete base is laid at the inner bottom of the concrete base, the porous sound-absorbing material 12 is preferably polyester fiber sound-absorbing cotton, and a plurality of grooves 13 are uniformly distributed on the porous sound-absorbing material 12; then, concrete mixture is poured into the concrete foundation 11 until the concrete foundation is filled and leveled to form a platform, the upper end face formed after the concrete mixture is fixedly connected is used for supporting equipment which generates vibration, and supporting legs of the equipment can enter the platform by using fasteners to complete fixation;
preferably, the metal column 21 is placed in the groove 13 before casting, the concrete mixture does not sink over the upper end surface of the metal column 21 after casting, the metal column 21 is used to replace a concrete material to support a large-scale device, further, a positioning hole 22 is arranged on the upper end surface of the metal column 21, the positioning hole 22 may be provided with an internal threaded hole, so that the supporting leg of the device is fixed on the metal column 21 by a bolt, and fig. 2 is a schematic diagram after casting;
preferably, the groove 13 is internally provided with a mounting opening 14, the metal column 21 is positioned in the mounting opening 14, and the metal column 21 prevents the porous sound-absorbing material 12 from being extruded to cause that the mounting surface cannot be calibrated;
as shown in fig. 8, the concrete preparation system with good shock absorption effect includes a base iii 51 and a telescopic cylinder ii 52 with a movable end facing downward, the telescopic cylinder ii 52 is preferably an electric telescopic cylinder, and the upper end of the telescopic cylinder ii 52 is fixedly connected to the lower end of the base iii 51; the telescopic cylinder II 52 is characterized by further comprising a cutting cylinder 53 fixedly connected to the movable end of the telescopic cylinder II 52, the cutting cylinder 53 is of a lower opening structure, a cutting edge is arranged at the lower end of the cutting cylinder 53, the outer ring end face of the pressing plate 54 is attached to the cutting cylinder 53, the pressing plate 54 can slide up and down, at least one circle of adsorption holes 55 are formed in the pressing plate 54, two reset rods 56 are fixedly connected to the upper end of the pressing plate 54, the reset rods 56 are slidably connected to the upper end of the cutting cylinder 53, a limiting part I is fixedly connected to the upper end of each reset rod 56, the lower end of the limiting part I abuts against the upper end of the cutting cylinder 53, an air pump 61 is mounted on the base III 51, the air pump 61 is communicated with the cutting cylinder 53 through an air pipe 62, and the base III 51 is adjusted in position through an xyz shaft driving mechanism;
adjusting the cutting cylinder 53 to reach a designated position, namely, after the cutting cylinder is arranged at the position of equipment installation, descending to cut the positioning hole 22 on the porous sound-absorbing material 12, starting the air pump 61 to enable the pressure plate 54 to generate suction to absorb the porous sound-absorbing material 12 to be cut, and then lifting the cutting cylinder 53, so that the residual position can be torn off by using the suction even if the cutting is incomplete due to the toughness of the material;
furthermore, the reset rod 56 is sleeved with a compression spring i, two ends of the compression spring i are respectively contacted with the cutting cylinder 53 and the pressing plate 54, and the porous sound-absorbing material 12 is extruded by the pressing plate 54, so that the porous sound-absorbing material is easier to cut.
Further, as shown in fig. 7, the device further includes a base i 42, a telescopic cylinder i 41 fixedly connected to the base i 42, wherein the movable end of the telescopic cylinder i 41 is arranged downward, a base ii 43 is fixedly connected to the lower end of the movable end of the telescopic cylinder i 41, a motor i 44 fixedly connected to the base ii 43, an output shaft of the motor i 44 is arranged rearward, a shaft 45 is rotatably connected to the rear portion of the base ii 43, the output shaft of the motor i 44 is fixedly connected to the shaft 45, the rear end of the shaft 45 is fixedly connected to the front end of the base iii 51, a supporting shell 63 is fixedly connected to the upper end of the base iii 51, the supporting shell 63 is of an upper opening structure, a clamping mechanism for clamping a column is arranged on the supporting shell 63, and the column is preferably a cylinder or a square column, i.e. a metal column 21; the rotation of the shaft 45 is used for changing the positions of the support shell 63 and the cutting cylinder 53, the metal column 21 is clamped into the positioning hole 22 when the support shell 63 faces downwards, or the height of the support shell 63 can be reduced when the support shell 63 faces upwards, the metal column 21 is firstly sent into the support shell 63, and the turnover transportation is carried out after the clamping is firm, so that the operation is suitable for a large-scale platform and a transportation mode when the metal column 21 cannot be conveyed by manpower due to heavy weight, and the cylindrical metal column 21 can be rolled and sent into the support shell 63 with a horizontal opening for clamping after the support shell 63 rotates 90 degrees; wherein base I42 is connected to the xyz shaft drive mechanism.
Further, as shown in fig. 6, the xyz-axis drive mechanism may be implemented by selecting a common robot arm or a combined rail platform, for example, as follows: including support frame 31, with rotate two lead screws 32 of connection on support frame 31, two lead screws 32 realize synchronous drive through band pulley belt subassembly, and one of them lead screw 32 realizes rotating through the drive of motor II 33, and motor II 33 is installed on support frame 31, and the wheel is installed to the lower extreme of support frame 31, and support frame 31 has utilized the wheel walking through the drive of linear drive mechanism, linear drive mechanism can adopt electronic jar or towed mechanism to pull, the direction of walking is perpendicular with lead screw 32 axis extending direction.
The clamping mechanism is shown in fig. 10 and 11, and for convenience of description, specifically refer to fig. 11, which includes a base iii 71, a telescopic cylinder iii 72 fixedly connected to the left end of the base iii 71, a movable end of the telescopic cylinder iii 72 is arranged facing to the right, the movable end of the telescopic cylinder iii 72 penetrates through the base iii 71 from left to right, an outer plate 73 fixedly connected to the right end of the telescopic cylinder iii 72, two reset rods ii 74 are respectively slidably connected to the front and rear sides of the outer plate 73, an inner plate 75 is fixedly connected to the right ends of the two reset rods ii 74, two horizontal guide rods 76 are fixedly connected to the right end of the inner plate 75, a vertical clamping rod 77 is fixedly connected to each guide rod 76, a compression spring ii is sleeved on the reset rod ii 74, two ends of the compression spring ii are respectively contacted with the outer plate 73 and the inner plate 75, and a limit portion ii is fixedly connected to the left end of the reset rod ii 74; two clamping mechanisms are symmetrically arranged on the left and right, the inner side is arranged between the two clamping mechanisms, the guide rod 76 is connected to the support shell 63 in a sliding mode, and the base III 71 is fixedly connected to the support shell 63.
The guide rod 76 is provided with a transverse groove-shaped anti-skidding structure distributed from top to bottom, and the groove shape is a quarter of an arc groove.
The upper end of the guide bar 76 is fixedly connected with a guide bar 78 extending upwards and outwards, so that the metal column 21 can slide into the supporting shell 63 under the guidance of the guide bar 78.
Claims (10)
1. The utility model provides an effectual concrete preparation system of shock attenuation, including base III (51), install telescoping cylinder II (52) on base III (51), be located base III (51) below and realize cutting section of thick bamboo (53) of going up and down through the drive of telescoping cylinder II (52), it is open structure to cut section of thick bamboo (53), the inner wall sliding fit who cuts section of thick bamboo (53) has clamp plate (54), be equipped with adsorption hole (55) on clamp plate (54), the upper end rigid coupling of clamp plate (54) has release link (56), release link (56) sliding connection is on the upper portion of cutting section of thick bamboo (53), the upper end rigid coupling of release link (56) has spacing portion I, install air pump (61) on base III (51), air pump (61) are through trachea (62) and cut section of thick bamboo (53) intercommunication, base III (51) are through xyz axle actuating mechanism adjustment position.
2. The concrete preparation system according to claim 1, wherein the return rod (56) is sleeved with a compression spring I, and two ends of the compression spring I are respectively contacted with the cutting cylinder (53) and the pressure plate (54).
3. The concrete preparation system of claim 2 or 1, further comprising a base I (42), a telescopic cylinder I (41) installed on the base I (42), a base II (43) driven by the telescopic cylinder I (41) to lift, a motor I (44) installed on the base II (43), a shaft (45) fixedly connected with an output shaft of the motor I (44), the shaft (45) is fixedly connected with the base III (51), a supporting shell (63) is fixedly connected to the upper end of the base III (51), a clamping mechanism used for clamping a column body is arranged on the supporting shell (63), a telescopic cylinder II (52) is installed at the lower end of the base III (51), the rotation of the shaft (45) is used for exchanging the positions of the supporting shell (63) and the cutting cylinder (53), and the base I (42) is connected with the xyz shaft driving mechanism.
4. The concrete preparation system according to claim 3, wherein the xyz-axis driving mechanism comprises a support frame (31) and two lead screws (32) rotatably connected to the support frame (31), the two lead screws (32) realize synchronous transmission through a belt pulley and belt assembly, one lead screw (32) realizes rotation through driving of a motor II (33), wheels are mounted at the lower end of the support frame (31), the support frame (31) is driven by a linear driving mechanism and travels by utilizing the wheels, and the traveling direction is perpendicular to the axial extension direction of the lead screws (32).
5. The concrete preparation system according to claim 4, wherein the clamping mechanism comprises a base III (71), a telescopic cylinder III (72) arranged on the base III (71), an outer plate (73) driven by the telescopic cylinder III (72) to move left and right, two reset rods II (74) are connected on the outer plate (73) in a sliding manner, an inner plate (75) is fixedly connected at the inner ends of the two reset rods II (74), two guide rods (76) are fixedly connected at the inner side of the inner plate (75), a clamping rod (77) is fixedly connected on each guide rod (76), a compression spring II is sleeved on each reset rod II (74), two ends of each compression spring II are respectively contacted with the outer plate (73) and the inner plate (75), and a limiting part II is fixedly connected at the outer end of each reset rod II (74); two clamping mechanisms are symmetrically arranged, the guide rods (76) are connected to the support shell (63) in a sliding mode, and the base III (71) is fixedly connected to the support shell (63).
6. A concrete preparation system as claimed in claim 5, said guide rods (76) being provided with a non-slip arrangement.
7. A concrete preparing system according to claim 5, wherein a guide rod (78) extending outwardly and upwardly is secured to an upper end of the guide rod (76).
8. The preparation method with good damping effect by adopting the concrete preparation system of any one of claims 1 to 7, which comprises the following steps:
s1, pouring concrete mixture to form a concrete base (11) with an upper opening;
s2, uniformly distributed grooves (13) are formed in the porous sound-absorbing material (12), the porous sound-absorbing material (12) is placed in the concrete foundation (11), and the height of the porous sound-absorbing material (12) is lower than that of the concrete foundation (11);
s3, mounting openings (14) are formed in the porous sound-absorbing material (12), and the number and the positions of the mounting openings (14) are determined according to the mounting positions of the articles to be supported;
s4, placing the metal column (21) at the mounting opening (14), and arranging a positioning hole (22) in the metal column (21), wherein the height of the metal column (21) is not lower than that of the concrete foundation (11);
and S5, filling the concrete base (11) with the concrete mixture.
9. The concrete with good shock absorption effect prepared by the preparation method of claim 8 comprises a concrete base (11) with an upper opening, a porous sound absorption material (12) paved in the concrete base (11), grooves (13) uniformly distributed at the upper end of the porous sound absorption material (12), and metal columns (21) which are positioned in the grooves (13) and are not lower than the concrete base (11).
10. Concrete according to claim 9, the recess (13) being provided with a mounting opening (14) therein, the metal post (21) being located in the mounting opening (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211020390.XA CN115319923B (en) | 2022-08-24 | 2022-08-24 | Concrete with good damping effect and preparation system and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211020390.XA CN115319923B (en) | 2022-08-24 | 2022-08-24 | Concrete with good damping effect and preparation system and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115319923A true CN115319923A (en) | 2022-11-11 |
| CN115319923B CN115319923B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211020390.XA Active CN115319923B (en) | 2022-08-24 | 2022-08-24 | Concrete with good damping effect and preparation system and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115319923B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170051506A1 (en) * | 2014-04-30 | 2017-02-23 | Seung Han AN | Concrete panel for constructing floor of building, shock absorption unit, and floor construction structure for building including same |
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| CN212641872U (en) * | 2020-04-24 | 2021-03-02 | 孙丹 | Building floor heat preservation sound insulation structure |
| CN112720594A (en) * | 2020-12-08 | 2021-04-30 | 贺路路 | Shearing device for manufacturing 3D eyeshade and production method of 3D eyeshade |
| CN214417420U (en) * | 2020-12-25 | 2021-10-19 | 东莞市创宜丰精密橡塑有限公司 | Optical mode dust plug demolding jig |
| CN216859851U (en) * | 2022-01-21 | 2022-07-01 | 杭州思味王食品有限公司 | Green bean cake is dicing device for production and processing |
| CN217021012U (en) * | 2022-03-15 | 2022-07-22 | 山东历控建设发展有限公司 | Novel building engineering stays hole ware |
-
2022
- 2022-08-24 CN CN202211020390.XA patent/CN115319923B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170051506A1 (en) * | 2014-04-30 | 2017-02-23 | Seung Han AN | Concrete panel for constructing floor of building, shock absorption unit, and floor construction structure for building including same |
| CN208468583U (en) * | 2018-07-24 | 2019-02-05 | 宏丞光电(厦门)有限公司 | A kind of reflector plate die cutting device |
| CN110743959A (en) * | 2019-10-31 | 2020-02-04 | 苏州欧蒂华电子有限公司 | Automatic punching equipment for gasket manufacturing |
| CN212641872U (en) * | 2020-04-24 | 2021-03-02 | 孙丹 | Building floor heat preservation sound insulation structure |
| CN112720594A (en) * | 2020-12-08 | 2021-04-30 | 贺路路 | Shearing device for manufacturing 3D eyeshade and production method of 3D eyeshade |
| CN214417420U (en) * | 2020-12-25 | 2021-10-19 | 东莞市创宜丰精密橡塑有限公司 | Optical mode dust plug demolding jig |
| CN216859851U (en) * | 2022-01-21 | 2022-07-01 | 杭州思味王食品有限公司 | Green bean cake is dicing device for production and processing |
| CN217021012U (en) * | 2022-03-15 | 2022-07-22 | 山东历控建设发展有限公司 | Novel building engineering stays hole ware |
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| Publication number | Publication date |
|---|---|
| CN115319923B (en) | 2024-01-26 |
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Effective date of registration: 20231225 Address after: 210000 by Ningxuan Highway, Gucheng Town, Gaochun District, Nanjing City, Jiangsu Province Applicant after: Nanjing Tonggong Concrete Engineering Co.,Ltd. Address before: No. 20, Shenyang Road, Baohe Industrial Zone, Hefei, Anhui 230,041 Applicant before: Cai Yuhong |
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Denomination of invention: A concrete with good shock absorption effect and its preparation system and method Granted publication date: 20240126 Pledgee: Nanjing bank Limited by Share Ltd. Gaochun branch Pledgor: Nanjing Tonggong Concrete Engineering Co.,Ltd. Registration number: Y2024980012815 |
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