CN220129114U - Road bridge construction agitating unit - Google Patents
Road bridge construction agitating unit Download PDFInfo
- Publication number
- CN220129114U CN220129114U CN202223539412.1U CN202223539412U CN220129114U CN 220129114 U CN220129114 U CN 220129114U CN 202223539412 U CN202223539412 U CN 202223539412U CN 220129114 U CN220129114 U CN 220129114U
- Authority
- CN
- China
- Prior art keywords
- stirring
- cabin
- outer side
- plates
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 176
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- 239000004035 construction material Substances 0.000 abstract description 5
- 108010066057 cabin-1 Proteins 0.000 description 35
- 239000011343 solid material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides a road and bridge construction stirring device which comprises a stirring cabin, wherein a supporting frame is arranged on the outer side of the lower part of the stirring cabin, a base is arranged at the bottom of the supporting frame, a motor is arranged in the middle of the supporting frame, a rotating shaft is coaxially and fixedly arranged at the upper end of the motor, the rotating shaft penetrates through the middle of the stirring cabin, a plurality of groups of stirring cross bars are arranged on the outer side of the rotating shaft, a plurality of groups of stirring sub-plates are arranged on the outer side of the stirring cross bars, and a plurality of groups of side plates are fixedly arranged through the stirring sub-plates. According to the stirring and separating plate, the stirring and separating plate is fixedly provided with the plurality of groups of side plates, the side scraper structure is stirred laterally through the side plates, and the stirring of construction materials in the stirring cabin is realized by matching with the vertical direction and the transverse stirring of the rotating shaft and the stirring and separating plate; the material distributing transverse plate is of a filter plate structure with different groups of apertures, the structure inside the stirring cabin is separated through the material distributing transverse plate, and the stirring quality and consistency are further improved through the stirring equipment inside the stirring cabin.
Description
Technical Field
The utility model relates to the field of road and bridge construction, in particular to a road and bridge construction stirring device.
Background
The contents of road subgrade construction generally include: the method comprises the following engineering projects of roadbed main engineering, soil pit and waste soil pile, ramp protection and breaking table, roadbed comprehensive drainage, roadbed protection and reinforcement, filling and excavation of roadbed, roadbed in special engineering geological areas, construction in winter and rainy season, ditch or river changing engineering caused by roadbed construction, construction organization of earth and stone engineering, roadbed renovation, quality inspection, engineering acceptance and the like. In the road and bridge construction, the raw materials such as concrete and the like are required to be stirred and mixed in the construction process.
The concrete stirring is an operation method for uniformly stirring cement, lime, water and other materials after mixing. Concrete mixing is divided into two types: manually stirring and mechanically stirring the water.
The inventor of the present utility model has found that the above-mentioned technique has at least the following technical problems in the process of stirring and mixing road and bridge construction raw materials:
the existing road and bridge stirring equipment has single structure and lower stirring efficiency; in addition, the mixing ratio of the concrete is random, and the mixing quality of the mixed concrete can be affected, therefore, a road and bridge construction stirring device is provided for solving the problems.
Disclosure of Invention
The utility model mainly aims to provide a road and bridge construction stirring device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a road bridge construction agitating unit, comprising:
the stirring cabin is of a hollow barrel structure, a supporting frame is arranged on the outer side below the stirring cabin, a base is arranged at the bottom of the supporting frame, the stirring cabin and the supporting frame are supported by the base, a motor is arranged in the middle of the supporting frame, a rotating shaft is coaxially and fixedly arranged at the upper end of the motor, the rotating shaft penetrates through the middle of the stirring cabin,
the axis of rotation outside is provided with a plurality of groups of stirring horizontal pole, and the stirring horizontal pole outside is provided with a plurality of groups of stirring divides the board, and stirring divides the board to the side direction bracing piece of vertical direction, divides board fixed mounting to have a plurality of groups of curb plates through the stirring, stirs the side direction through the curb plate with the scraper blade structure of side direction, cooperates the vertical direction and the horizontal stirring of axis of rotation and stirring minute board, can realize the stirring to the inside construction material of stirring cabin, realizes quick even stirring.
Preferably, the middle part is provided with a plurality of components material diaphragm in the stirring cabin, divides the material diaphragm to be the filter plate structure that multiunit aperture is different, carries out multistage filtration with the material that the stirring accomplished, separates the inside structure of stirring cabin through dividing the material diaphragm, can realize the inside branch storehouse stirring of stirring cabin, further promotes the quality and the uniformity of stirring through inside agitated vessel.
Preferably, the left side of stirring cabin upper end is provided with the feeder hopper, and feeder hopper below bottom communicates with the stirring cabin through the inlet pipe, and the feeder hopper outside is provided with the scale mark, weighs the liquid material that the stirring mixes needs through the feeder hopper, promotes the stirring precision of mixing proportion.
Preferably, the stirring cabin upper end right side is provided with feed hopper, communicates with stirring cabin inside through feed hopper, and the feed hopper middle part is provided with a plurality of groups of side slide, and the side slide is the baffle structure of a plurality of groups of slopes, separates the slip through the side slide with the solid material that gets into through the feed hopper, realizes the layering slip material loading to solid material, avoids solid material granule too big to cause the stirring not big.
Preferably, a discharge hole is formed in the right side below the stirring cabin, a baffle is rotatably arranged on the outer side of the stirring cabin, the opening and closing control of the discharge hole on the outer side of the stirring cabin is performed through the baffle, a driving mechanism is arranged on the outer side of the supporting frame, and the baffle can be driven to perform the opening and closing control through the driving mechanism.
Preferably, the driving mechanism comprises a structure frame, wherein the structure frame is of a square frame structure, sliding grooves are formed in two sides in the structure frame, a driving motor is arranged in the middle of the structure frame, a rotating rod is coaxially and fixedly arranged at the upper end of the driving motor, the rotating rod is an external thread meshed with the outer side, a sliding block is rotatably arranged on the outer side of the rotating rod, the sliding block is slidably arranged on the inner side of the sliding groove, the position restriction and the guiding of the sliding block are realized, the sliding of the sliding block and the sliding block in the direction of the sliding groove are limited, and the sliding of the sliding block in the vertical direction is realized.
Preferably, the upper end of the sliding block is fixedly provided with a supporting block, the upper end of the supporting block is rotatably provided with a sliding plate, the upper end of the sliding plate is in sliding connection with the lower surface of the baffle, the sliding plate is driven to be connected below the baffle through the supporting block, and the baffle is driven to realize the on-off control of a discharge hole below the stirring cabin.
Preferably, the middle part of the upper end of the stirring cabin is provided with a bearing seat, the upper end of the rotating shaft is clamped and installed in the middle part of the bearing seat, and the rotating shaft is rotated through the bearing seat to laterally support the stability of the lifting equipment.
Compared with the prior art, the utility model has the following beneficial effects:
1. a plurality of groups of side plates are fixedly arranged on the stirring dividing plate, the side scraping plate structure is arranged on the side plates, the side scraping plate structure is used for stirring the side direction, and the stirring of construction materials in the stirring cabin can be realized by matching with the vertical direction and the transverse stirring of the rotating shaft and the stirring dividing plate, so that the rapid and uniform stirring is realized; the material diaphragm divides is the filter plate structure that multiunit aperture is different, carries out multistage filtration with the material that the stirring was accomplished, separates the structure of stirring cabin inside through dividing the material diaphragm, can realize the inside branch storehouse stirring of stirring cabin, further promotes the quality and the uniformity of stirring through inside agitated vessel.
2. The sliding block is arranged on the outer side of the sliding block in a sliding mode and is used for limiting and guiding the position of the sliding block, limiting the rotation of the sliding block and sliding the sliding block in the direction of the sliding groove, converting the rotation of the rotating rod into the sliding of the vertical direction of the sliding block, a supporting block is fixedly arranged at the upper end of the sliding block, a sliding plate is rotatably arranged at the upper end of the supporting block, the upper end of the sliding plate is connected with the lower surface of the baffle in a sliding mode, the sliding plate is driven to be connected below the baffle through the supporting block, and the baffle is driven to realize the switch control of a discharge hole below the stirring cabin.
3. Support agitator tank and support frame through the base, axis of rotation upper end joint is installed at the bearing frame middle part, carries out the stability of side direction support lifting means with the rotation of axis of rotation through the bearing frame.
Drawings
FIG. 1 is a diagram showing the overall construction of a road bridge construction stirring device according to the present utility model;
fig. 2 is a side sectional structure diagram of a road bridge construction stirring device of the utility model.
In the figure: 1. a stirring cabin; 2. a support frame; 3. a base; 4. a motor; 5. a rotating shaft; 6. a stirring cross bar; 7. stirring and dividing plates; 8. a baffle; 9. a driving mechanism; 91. a structural frame; 92. a driving motor; 93. a chute; 94. a rotating lever; 95. a slide block; 96. a support block; 97. a sliding plate; 10. a side plate; 11. a bearing seat; 12. a feed hopper; 13. a material dividing transverse plate; 14. a feed hopper; 15. side sliding plates.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a road and bridge construction stirring device includes:
the stirring cabin 1, stirring cabin 1 is hollow cask structure, stirring cabin 1 below outside is provided with support frame 2, support frame 2 bottom is provided with base 3, supports stirring cabin 1 and support frame 2 through base 3, the support frame 2 middle part is provided with motor 4, the coaxial fixed mounting of motor 4 upper end has axis of rotation 5, axis of rotation 5 passes stirring cabin 1 middle part, stirring cabin 1 upper end middle part is provided with bearing frame 11, axis of rotation 5 upper end joint is installed at bearing frame 11 middle part, carries out the rotation of axis of rotation 5 and laterally supports the stability of lifting means through bearing frame 11.
The stirring cross bar is characterized in that a plurality of groups of stirring cross bars 6 are arranged on the outer side of the rotating shaft 5, a plurality of groups of stirring sub-plates 7 are arranged on the outer side of the stirring cross bars 6, each stirring sub-plate 7 is a lateral support rod in the vertical direction, a plurality of groups of side plates 10 are fixedly arranged on the stirring sub-plates 7, the lateral scraping plate structure is realized through the side plates 10, the lateral stirring is carried out through the side plates 10, the stirring of construction materials in the stirring cabin 1 can be realized by matching with the vertical directions and the transverse stirring of the rotating shaft 5 and the stirring sub-plates 7, and the rapid and uniform stirring is realized.
Wherein middle part is provided with a plurality of components material diaphragm 13 in the stirring cabin 1, divide the material diaphragm 13 to be the filter plate structure that the multiunit aperture is different, carries out multistage filtration with the material that the stirring was accomplished, separates the inside structure of stirring cabin 1 through divide material diaphragm 13, can realize the inside branch storehouse stirring of stirring cabin 1, further promotes the quality and the uniformity of stirring through inside agitated vessel.
The stirring precision of mixing proportion is promoted, the left side of stirring cabin 1 upper end is provided with feeder hopper 12, feeder hopper 12 below bottom communicates with stirring cabin 1 through the inlet pipe, the feeder hopper 12 outside is provided with the scale mark, weighs the liquid material that the stirring mixes needs through feeder hopper 12.
The stirring cabin 1 upper end right side is provided with feed hopper 14, communicates with stirring cabin 1 inside through feed hopper 14, the feed hopper 14 middle part is provided with a plurality of groups of side slide 15, side slide 15 is the baffle structure of a plurality of groups of slopes, separates the slip through the solid material that the feed hopper 14 got into through side slide 15, realizes the layering slip material loading to solid material, avoids solid material granule too big to cause the stirring not big.
The stirring cabin is characterized in that a discharge hole is formed in the right side below the stirring cabin 1, a baffle plate 8 is rotatably arranged on the outer side of the stirring cabin 1, the opening and closing control of the discharge hole on the outer side of the stirring cabin 1 is performed through the baffle plate 8, a driving mechanism 9 is arranged on the outer side of the supporting frame 2, and the baffle plate 8 can be driven to perform the opening and closing control through the driving mechanism 9.
Example 2
Referring to fig. 1, a road and bridge construction stirring device includes: the stirring cabin 1, stirring cabin 1 is hollow cask structure, stirring cabin 1 below outside is provided with support frame 2, support frame 2 bottom is provided with base 3, supports stirring cabin 1 and support frame 2 through base 3, the support frame 2 middle part is provided with motor 4, the coaxial fixed mounting of motor 4 upper end has axis of rotation 5, axis of rotation 5 passes stirring cabin 1 middle part, stirring cabin 1 upper end middle part is provided with bearing frame 11, axis of rotation 5 upper end joint is installed at bearing frame 11 middle part, carries out the rotation of axis of rotation 5 and laterally supports the stability of lifting means through bearing frame 11.
The stirring cross bar is characterized in that a plurality of groups of stirring cross bars 6 are arranged on the outer side of the rotating shaft 5, a plurality of groups of stirring sub-plates 7 are arranged on the outer side of the stirring cross bars 6, each stirring sub-plate 7 is a lateral support rod in the vertical direction, a plurality of groups of side plates 10 are fixedly arranged on the stirring sub-plates 7, the lateral scraping plate structure is realized through the side plates 10, the lateral stirring is carried out through the side plates 10, the stirring of construction materials in the stirring cabin 1 can be realized by matching with the vertical directions and the transverse stirring of the rotating shaft 5 and the stirring sub-plates 7, and the rapid and uniform stirring is realized.
Wherein middle part is provided with a plurality of components material diaphragm 13 in the stirring cabin 1, divide the material diaphragm 13 to be the filter plate structure that the multiunit aperture is different, carries out multistage filtration with the material that the stirring was accomplished, separates the inside structure of stirring cabin 1 through divide material diaphragm 13, can realize the inside branch storehouse stirring of stirring cabin 1, further promotes the quality and the uniformity of stirring through inside agitated vessel.
The stirring precision of mixing proportion is promoted, the left side of stirring cabin 1 upper end is provided with feeder hopper 12, feeder hopper 12 below bottom communicates with stirring cabin 1 through the inlet pipe, the feeder hopper 12 outside is provided with the scale mark, weighs the liquid material that the stirring mixes needs through feeder hopper 12.
The stirring cabin 1 upper end right side is provided with feed hopper 14, communicates with stirring cabin 1 inside through feed hopper 14, the feed hopper 14 middle part is provided with a plurality of groups of side slide 15, side slide 15 is the baffle structure of a plurality of groups of slopes, separates the slip through the solid material that the feed hopper 14 got into through side slide 15, realizes the layering slip material loading to solid material, avoids solid material granule too big to cause the stirring not big.
The stirring cabin is characterized in that a discharge hole is formed in the right side below the stirring cabin 1, a baffle plate 8 is rotatably arranged on the outer side of the stirring cabin 1, the opening and closing control of the discharge hole on the outer side of the stirring cabin 1 is performed through the baffle plate 8, a driving mechanism 9 is arranged on the outer side of the supporting frame 2, and the baffle plate 8 can be driven to perform the opening and closing control through the driving mechanism 9.
Comprehensive figure 2 shows, actuating mechanism 9 is including structure frame 91, structure frame 91 is square frame structure, both sides are provided with spout 93 in the structure frame 91, the middle part is provided with driving motor 92 in the structure frame 91, coaxial fixed mounting in driving motor 92 upper end has dwang 94, dwang 94 is the external screw thread of outside meshing, dwang 94 outside rotation is installed slider 95, slider 95 outside slidable mounting is inboard at spout 93, realizes restricting and the direction to slider 95 position restriction and direction, restricts slider 95's rotation and slider 95 slide in spout 93's direction, realizes turning into slider 95 vertical direction's slip to dwang 94 rotation, slider 95 upper end fixed mounting has supporting shoe 96, supporting shoe 96 upper end rotates and installs slide plate 97, slide plate 97 upper end and baffle 8 lower surface carry out sliding connection, drive slide plate 97 through supporting shoe 96 and be connected in baffle 8 below, drive baffle 8 realize the switch control to the discharge gate of stirring cabin 1 below.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The road bridge construction stirring device is characterized by comprising
The stirring cabin (1), stirring cabin (1) is hollow cask structure, stirring cabin (1) below outside is provided with support frame (2), support frame (2) bottom is provided with base (3), support frame (2) middle part is provided with motor (4), coaxial fixed mounting of motor (4) upper end has axis of rotation (5), axis of rotation (5) pass stirring cabin (1) middle part,
a plurality of groups of stirring cross bars (6) are arranged on the outer side of the rotating shaft (5), a plurality of groups of stirring sub-plates (7) are arranged on the outer side of the stirring cross bars (6), the stirring sub-plates (7) are lateral support rods in the vertical direction, and a plurality of groups of side plates (10) are fixedly arranged through the stirring sub-plates (7);
the middle part is provided with a plurality of thousands of component material transverse plates (13) in the mixing cabin (1), and the material transverse plates (13) are of filter plate structures with different groups of apertures.
2. The road and bridge construction stirring device of claim 1 is characterized in that a feeding hopper (12) is arranged on the left side of the upper end of the stirring cabin (1), the bottom of the lower part of the feeding hopper (12) is communicated with the stirring cabin (1) through a feeding pipe, and graduation marks are arranged on the outer side of the feeding hopper (12).
3. The road and bridge construction stirring device according to claim 2, wherein a feeding funnel (14) is arranged on the right side of the upper end of the stirring cabin (1), the feeding funnel (14) is used for communicating with the inside of the stirring cabin (1), a plurality of groups of side sliding plates (15) are arranged in the middle of the feeding funnel (14), and the side sliding plates (15) are of a plurality of groups of inclined guide plate structures.
4. The road bridge construction stirring device according to claim 3, wherein a discharge hole is formed in the right side below the stirring cabin (1), a baffle (8) is rotatably arranged on the outer side of the stirring cabin (1), the discharge hole on the outer side of the stirring cabin (1) is controlled to open and close through the baffle (8), a driving mechanism (9) is arranged on the outer side of the supporting frame (2), and the baffle (8) can be driven to open and close through the driving mechanism (9).
5. The road bridge construction stirring device of claim 4, wherein the driving mechanism (9) comprises a structural frame (91), the structural frame (91) is of a square frame structure, sliding grooves (93) are formed in two sides in the structural frame (91), a driving motor (92) is arranged in the middle of the structural frame (91), a rotating rod (94) is coaxially and fixedly arranged at the upper end of the driving motor (92), the rotating rod (94) is an external thread meshed with the outer side, a sliding block (95) is rotatably arranged on the outer side of the rotating rod (94), the outer side of the sliding block (95) is slidably arranged on the inner side of the sliding groove (93), and the sliding block (95) is limited to rotate and slide in the direction of the sliding groove (93).
6. The road and bridge construction stirring device according to claim 5, wherein a supporting block (96) is fixedly arranged at the upper end of the sliding block (95), a sliding plate (97) is rotatably arranged at the upper end of the supporting block (96), the upper end of the sliding plate (97) is in sliding connection with the lower surface of the baffle plate (8), and the sliding plate (97) is driven to be connected below the baffle plate (8) through the supporting block (96).
7. The road and bridge construction stirring device according to claim 1 is characterized in that a bearing seat (11) is arranged in the middle of the upper end of the stirring cabin (1), and the upper end of the rotating shaft (5) is clamped and installed in the middle of the bearing seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223539412.1U CN220129114U (en) | 2022-12-29 | 2022-12-29 | Road bridge construction agitating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223539412.1U CN220129114U (en) | 2022-12-29 | 2022-12-29 | Road bridge construction agitating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129114U true CN220129114U (en) | 2023-12-05 |
Family
ID=88947591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223539412.1U Active CN220129114U (en) | 2022-12-29 | 2022-12-29 | Road bridge construction agitating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129114U (en) |
-
2022
- 2022-12-29 CN CN202223539412.1U patent/CN220129114U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212498312U (en) | Prevent stifled concrete mixer of using | |
| CA1262458A (en) | Method and apparatus for producing a slurry for underwater placement | |
| CN220129114U (en) | Road bridge construction agitating unit | |
| CN111761723A (en) | Foundation raw material mixing device for highway engineering | |
| CN216031649U (en) | Concrete proportioning machine | |
| CN211806980U (en) | A flash mixed agitating unit for building material | |
| CN213226903U (en) | Concrete mixing device for building | |
| CN212021231U (en) | Concrete feed bin is with filtering vibrations structure | |
| CN211389460U (en) | Filter type concrete mixer | |
| CN217621363U (en) | Road and bridge engineering cement dispensing equipment | |
| CN221015494U (en) | Homogenization equipment of artificial marble raw and other materials | |
| CN114474368B (en) | Concrete processing equipment and production process thereof | |
| CN219276211U (en) | Unloading dirt-proof equipment for concrete mixing | |
| CN112622040A (en) | Concrete compounding device for building | |
| CN216275108U (en) | Construction device for asphalt concrete pavement | |
| CN215749954U (en) | Sand and stone mixing device for laboratory | |
| CN221677614U (en) | Concrete transportation agitated vessel | |
| CN214605085U (en) | Building engineering is with mixing earth agitating unit | |
| CN221756410U (en) | Concrete waste slurry recycling device | |
| CN217531353U (en) | Renewable concrete auxiliary material adding device | |
| CN219882859U (en) | Raw material crushing mixer for concrete production | |
| CN210552153U (en) | Reclamation dam concrete mixer | |
| DE102017122400A1 (en) | Method and device for providing soil mortar | |
| CN218138932U (en) | Concrete feed divider | |
| CN218488742U (en) | Batching concrete mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |