CN114293656A - UHPC material prefabricated component for building - Google Patents
UHPC material prefabricated component for building Download PDFInfo
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- CN114293656A CN114293656A CN202111649569.7A CN202111649569A CN114293656A CN 114293656 A CN114293656 A CN 114293656A CN 202111649569 A CN202111649569 A CN 202111649569A CN 114293656 A CN114293656 A CN 114293656A
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Abstract
The invention relates to the technical field of concrete members, and discloses a UHPC (ultra high performance concrete) material prefabricated member for buildings, which solves the problem that the connection process between two existing concrete prefabricated members is complicated, and comprises a prefabricated plate I, wherein a mounting plate I is fixedly mounted at the top of the prefabricated plate I, a prefabricated plate II is mounted above the mounting plate I, a mounting plate II is fixedly mounted at the bottom of the prefabricated plate II, a connecting plate I and a connecting plate II are mounted between the mounting plate I and the mounting plate II, and the connecting plate II is positioned above the connecting plate I; according to the invention, when the third support cylinder is positioned at the outer side of the third support rod, the movable plate can be moved and restored to the original position by resetting the fourth spring, then one end of the positioning rod can penetrate through the corresponding through hole and be positioned inside the positioning hole, and then the third support cylinder and the third support rod can be fixed, so that the second connecting plate and the first connecting plate can be fixed, and the first precast slab and the second precast slab can be conveniently connected.
Description
Technical Field
The invention belongs to the technical field of concrete members, and particularly relates to a UHPC material prefabricated member for buildings.
Background
Ultra-high performance concrete, abbreviated as UHPC, also called reactive powder concrete, is the most innovative cement-based engineering material in the last thirty years, and realizes the large span of engineering material performance, the concrete prefabricated components are building components which are manufactured in advance in factories by taking concrete as a basic material, and comprise beams, plates, columns, building decoration fittings and the like, and refer to fabricated concrete components which are manufactured and completed before the installation is carried out on a construction site, and generally common prefabricated concrete floor slabs, concrete box beams for bridges, prefabricated concrete roof beams for industrial plants, culvert frame structures, prefabricated concrete piles for foundation treatment and the like are connected with one another by using reinforced concrete or building glue, and the aim of multiple common use is achieved by the connection between prefabricated slabs.
Current concrete prefabricated member is when connecting, mostly with the steel bar of prefab between the steel bar of refastening, the connection is pour to the rethread, but through pouring the connection, add man-hour need buckle outer reinforcing bar by a certain size, fix between reinforcing bar and the reinforcing bar again, rethread template is pour, and the manufacturing procedure is comparatively loaded down with trivial details.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a UHPC material prefabricated part for buildings, which effectively solves the problem that the connection process between two concrete prefabricated parts is complicated at present.
In order to achieve the purpose, the invention provides the following technical scheme: a UHPC material prefabricated part for buildings comprises a first prefabricated plate, wherein a first mounting plate is fixedly mounted at the top of the first prefabricated plate, a second prefabricated plate is mounted above the first mounting plate, a second mounting plate is fixedly mounted at the bottom of the second prefabricated plate, a first connecting plate and a second connecting plate are mounted between the first mounting plate and the second mounting plate, the second connecting plate is positioned above the first connecting plate, buffer mechanisms are mounted between the first mounting plate and the first connecting plate and between the second mounting plate and the second connecting plate, a distance adjusting mechanism is mounted between the second connecting plate and the first connecting plate, and an inter-connecting-plate fixing mechanism connected with the distance adjusting mechanism is mounted between the second connecting plate and the first connecting plate;
buffer gear includes and offers the spout in the one side that mounting panel one and mounting panel two are close to each other, the inside fixedly connected with dead lever of spout, the outside swing joint of dead lever has the slider, one side of slider is equipped with first spring, first spring cup joints with the dead lever activity, the top of slider is rotated and is connected with the turning block, the top of turning block is rotated and is connected with the dwang, the dwang top is rotated and is connected with the fixed block, the fixed cover in inside of fixed block has connect the support column, the top of support column and the bottom fixed connection of connecting plate one.
Preferably, the bottom fixedly connected with second bracing piece of support column, the second support section of thick bamboo has been cup jointed in the outside activity of second bracing piece, and the bottom fixedly connected with disc of a second support section of thick bamboo is equipped with the second spring that cup joints with the second bracing piece activity between a second support section of thick bamboo and the support column, and the top of mounting panel one is seted up flutedly, and the inside of recess has been seted up the inside groove, and the inside groove is connected with disc activity joint, and the external diameter value of a second support section of thick bamboo is less than the internal diameter value of recess.
Preferably, the first supporting cylinder is fixedly mounted at the top of the first mounting plate at an equal angle, the inner cylinder is movably mounted inside the first supporting cylinder, third springs are fixedly connected to the outer side of the inner cylinder at equal intervals, one end of each third spring is fixedly connected with the inner wall of the first supporting cylinder, first supporting rods are movably connected inside the inner cylinder, and the top ends of the first supporting rods are fixedly connected with the bottom of the first connecting plate.
Preferably, the distance adjusting mechanism comprises a third supporting cylinder fixedly connected with the bottom of the second connecting plate, a third supporting rod is movably connected inside the third supporting cylinder, the bottom end of the third supporting rod is fixedly connected with the top of the first connecting plate, a movable sleeve is movably connected to the outer side of the third supporting cylinder, a handle is fixedly connected to the bottom of the movable sleeve at an equal angle, and a large gear is fixedly mounted on the outer side of the movable sleeve.
Preferably, the bottom both sides of connecting plate two all rotate and are connected with the rotation post, two equal fixedly connected with swivel nuts in bottom that rotate the post, and the equal fixed mounting in outside of two swivel nuts has the pinion, and two pinions all with gear wheel engagement, the equal screw thread in inside of two swivel nuts has cup jointed the screw rod, the equal fixedly connected with sill bar in bottom of two screw rods, the bottom of two sill bars all with the top fixed connection of connecting plate one.
Preferably, the bottom both sides of connecting plate two are the equal fixedly connected with fourth bracing piece, and the equal activity in the outside of two fourth bracing pieces has cup jointed a fourth support section of thick bamboo, and the bottom of fourth bracing piece extends to the inside of a fourth support section of thick bamboo, and the bottom of two fourth support sections of thick bamboos all with the top fixed connection of connecting plate one.
Preferably, the fixing mechanism between the connecting plates comprises two side plates located at the top of the connecting plate, the third supporting rod is located between the two side plates, the bottom ends of the two side plates are fixedly connected with the top of the connecting plate I, one side of each side of the two side plates, which are close to each other, is fixedly connected with the connecting rod, one end of each connecting rod, which is close to each other, is fixedly connected with the third supporting rod, the outer groove is formed in the outer side of the third supporting cylinder, and the outer groove is movably connected with the movable sleeve.
Preferably, the outer side of the connecting rod is movably connected with a movable plate, one side of the movable plate is fixedly connected with a movable column, the movable column is movably connected with a side plate, one end of the movable column is fixedly connected with a handle, and the other side of the movable column is fixedly connected with a positioning rod.
Preferably, the two sides of the third support rod are provided with positioning holes, the two sides of the third support cylinder are provided with through holes at equal distances, and one end of each positioning rod penetrates through each through hole and is located inside each positioning hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, through the matching between the third support cylinder and the third support rod as well as between the fourth support rod and the fourth support cylinder, the second connection plate can be connected with the first connection plate, and through the matching between the handle and the movable column as well as between the handle and the movable plate, the positioning rod can be moved, and the fourth spring is compressed, and when the third support cylinder is positioned at the outer side of the third support rod, the fourth spring is reset to enable the movable plate to move and restore the original position, and then one end of the positioning rod can penetrate through the corresponding through hole and be positioned in the positioning hole, and then the third support cylinder and the third support rod can be fixed, so that the second connection plate and the first connection plate can be fixed, and the first prefabricated plate and the second prefabricated plate can be conveniently connected;
(2) the large gear can be rotated through the matching between the third supporting cylinder and the outer groove as well as between the movable sleeve and the handle, the two screw sleeves can be rotated through the matching between the large gear and the small gear, the screw sleeves can drive the connecting plate II to move up and down through the matching between the screw sleeves and the screw rods, the distance between the connecting plate II and the connecting plate I can be changed, and the distance between the prefabricated plate I and the prefabricated plate II can be changed to ensure better integral splicing.
(3) According to the invention, through the matching between the supporting column and the second supporting rod as well as the second supporting cylinder, when the first prefabricated plate and the second prefabricated plate vibrate, the second spring can be made to stretch, the first spring can be made to stretch through the matching between the fixed block and the rotating rod as well as between the rotating block and the sliding block, the third spring can be made to stretch through the matching between the first supporting cylinder and the inner cylinder as well as between the third spring and the first supporting rod, and the third spring can be made to stretch through the matching between the third spring and the first spring as well as between the second spring and the first supporting rod, so that the force can be buffered through the elastic action of the third spring and the first spring as well as the second spring, and the first prefabricated plate and the second prefabricated plate can be buffered, and the breakage of the prefabricated plate caused by the vibration at the connecting position between the first prefabricated plate and the second prefabricated plate can be prevented.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure of a first connection plate and a second connection plate according to the present invention;
FIG. 3 is a schematic view of a buffering mechanism according to the present invention;
FIG. 4 is a schematic structural view of a second support cylinder according to the present invention;
FIG. 5 is a schematic structural view of a first support cylinder according to the present invention;
FIG. 6 is a schematic view of the distance adjustment mechanism of the present invention;
FIG. 7 is a schematic structural view of a fixing mechanism between connection plates according to the present invention;
fig. 8 is an exploded view of the third support cylinder and the third support cylinder according to the present invention.
In the figure: 1. a prefabricated plate I; 2. a first mounting plate; 3. a buffer mechanism; 301. a chute; 302. a first support cylinder; 303. fixing the rod; 304. a first spring; 305. a slider; 306. rotating the block; 307. a first support bar; 308. rotating the rod; 309. a support pillar; 3010. a fixed block; 3011. a second support bar; 3012. a second support cylinder; 3013. an inner tank; 3014. a groove; 3015. a disc; 3016. a second spring; 3017. an inner barrel; 3018. a third spring; 4. a second precast slab; 5. a second mounting plate; 6. a second connecting plate; 7. a first connecting plate; 8. a distance adjusting mechanism; 801. a third support cylinder; 802. a fourth support cylinder; 803. a bottom bar; 804. a third support bar; 805. a screw; 806. a threaded sleeve; 807. a fourth support bar; 808. a handle; 809. a bull gear; 8010. a movable sleeve; 8011. rotating the column; 8012. a pinion gear; 9. a fixing mechanism between the connecting plates; 901. a side plate; 902. a connecting rod; 903. a movable plate; 904. a fourth spring; 905. a movable post; 906. positioning a rod; 907. an outer tank; 908. a handle; 909. positioning holes; 9010. and a through hole.
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 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.
In the first embodiment, as shown in fig. 1 to 8, the prefabricated slab comprises a prefabricated slab 1, a first mounting plate 2 is fixedly mounted at the top of the prefabricated slab 1, a second prefabricated plate 4 is mounted above the first mounting plate 2, a second mounting plate 5 is fixedly mounted at the bottom of the second prefabricated plate 4, a first connecting plate 7 and a second connecting plate 6 are mounted between the first mounting plate 2 and the second mounting plate 5, the second connecting plate 6 is located above the first connecting plate 7, buffer mechanisms 3 are mounted between the first mounting plate 2 and the first connecting plate 7 and between the second mounting plate 5 and the second connecting plate 6, a distance adjusting mechanism 8 is mounted between the second connecting plate 6 and the first connecting plate 7, and an inter-connecting-plate fixing mechanism 9 connected with the distance adjusting mechanism 8 is mounted between the second connecting plate 6 and the first connecting plate 7;
second embodiment, on the basis of first embodiment, buffer gear 3 includes and sets up in mounting panel 2 and the spout 301 of the two 5 one sides that are close to each other of mounting panel, the inside fixedly connected with dead lever 303 of spout 301, the outside swing joint of dead lever 303 has slider 305, one side of slider 305 is equipped with first spring 304, first spring 304 cup joints with dead lever 303 activity, the top of slider 305 is rotated and is connected with turning block 306, the top of turning block 306 is rotated and is connected with dwang 308, the dwang 308 top is rotated and is connected with fixed block 3010, the fixed cover in inside of fixed block 3010 has been connected with support column 309, the top of support column 309 and the bottom fixed connection of connecting plate 7. The bottom end of the supporting column 309 is fixedly connected with a second supporting rod 3011, a second supporting cylinder 3012 is movably sleeved on the outer side of the second supporting rod 3011, a disc 3015 is fixedly connected to the bottom of the second supporting cylinder 3012, a second spring 3016 movably sleeved with the second supporting rod 3011 is arranged between the second supporting cylinder 3012 and the supporting column 309, a groove 3014 is formed in the top of the mounting plate I2, an inner groove 3013 is formed in the groove 3014, the inner groove 3013 is movably clamped with the disc 3015, the outer diameter of the second supporting cylinder 3012 is smaller than the inner diameter of the groove 3014, the first supporting cylinder 302 is fixedly mounted at the equal angle on the top of the mounting plate I2, an inner cylinder 3017 is movably mounted in the first supporting cylinder 302, third springs 3018 are fixedly connected to the outer side of the inner cylinder 3017 at equal intervals, one end of the third springs 3018 is fixedly connected with the inner wall of the first supporting cylinder 302, the first supporting rod 307 is movably connected in the inner cylinder 3017, and the top end of the first supporting rod 307 is fixedly connected with the bottom of the first supporting rod 7;
when the first precast slab 1 and the second precast slab 4 are vibrated, the first connecting plate 7 and the second connecting plate 6 are driven to vibrate, the supporting column 309 and the second supporting cylinder 3012 are simultaneously vibrated, the second spring 3016 is made to stretch and retract, the sliding block 305 is driven to move along the fixed rod 303, the first spring 304 is made to stretch and retract, the first supporting rod 307 moves inside the first supporting cylinder 302 at the moment, the third spring 3018 is made to stretch and retract, and finally, the force is absorbed through the elastic effects of the third spring 3018, the first spring 304 and the second spring 3016, so that the first precast slab 1 and the second precast slab 4 are buffered, and the fracture of the connection position between the first precast slab 1 and the second precast slab 4 is prevented.
Third embodiment, on the basis of the first embodiment, the distance adjusting mechanism 8 includes a third supporting cylinder 801 fixedly connected to the bottom of the second connecting plate 6, a third supporting rod 804 is movably connected to the inside of the third supporting cylinder 801, the bottom end of the third supporting rod 804 is fixedly connected to the top of the first connecting plate 7, a movable sleeve 8010 is movably connected to the outside of the third supporting cylinder 801, a handle 808 is fixedly connected to the bottom of the movable sleeve 8010 at an equal angle, a large gear 809 is fixedly installed on the outside of the movable sleeve 8010, rotating columns 8011 are rotatably connected to both sides of the bottom of the second connecting plate 6, screw sleeves 806 are fixedly connected to the bottom ends of the two rotating columns 8011, small gears 8012 are fixedly installed to the outside of the two screw sleeves 806, the two small gears 8012 are respectively engaged with the large gear 809, screw rods 805 are respectively threadedly sleeved in the insides of the two screw sleeves 806, bottom ends of the two screw rods 805 are respectively fixedly connected to bottom rods 803, and bottom ends of the two bottom rods 803 are respectively fixedly connected to the top of the first connecting plate 7, both sides of the bottom of the second connecting plate 6 are fixedly connected with fourth supporting rods 807, the outer sides of the two fourth supporting rods 807 are movably sleeved with fourth supporting cylinders 802, the bottom ends of the fourth supporting rods 807 extend into the fourth supporting cylinders 802, and the bottom ends of the two fourth supporting cylinders 802 are fixedly connected with the top of the first connecting plate 7;
firstly, the movable sleeve 8010 is rotated through the handle 808, then the large gear 809 is driven to rotate, meanwhile, the large gear 809 is meshed with the small gears 8012, then the two small gears 8012 are driven to rotate, then the two third supporting rods 804 are driven to rotate, when the screw sleeve 806 rotates clockwise, the screw sleeve 806 is driven to move downwards through the action of the screw sleeve 806 and the screw rod 805, when the screw sleeve 806 rotates anticlockwise, the screw sleeve 806 is driven to move upwards through the action of the screw sleeve 806 and the screw rod 805, the distance between the connecting plate II 6 and the connecting plate I7 can be changed, the distance between the precast slab I1 and the precast slab II 4 can be changed, and finally, better splicing of the precast slabs is guaranteed.
Fourth embodiment, on the basis of the first embodiment, the fixing mechanism 9 between the connecting plates includes two side plates 901 located at the top of the first connecting plate 7, the third supporting rod 804 is located between the two side plates 901, the bottom ends of the two side plates 901 are both fixedly connected with the top of the first connecting plate 7, one sides of the two side plates 901 close to each other are both fixedly connected with a connecting rod 902, one ends of the two connecting rods 902 close to each other are both fixedly connected with the third supporting rod 804, the outer side of the third supporting cylinder 801 is provided with an outer groove 907, the outer groove 907 is movably connected with the movable sleeve 8010, the outer side of the connecting rod 902 is movably connected with a movable plate 903, one side of the movable plate 903 is fixedly connected with a movable column 905, the movable column 905 is movably connected with the side plates 901, one end of the movable column 905 is fixedly connected with a handle 908, the other side of the movable plate 903 is fixedly connected with a positioning rod 906, and both sides of the third supporting rod 804 are both provided with positioning holes 909, through holes 9010 are formed in two sides of the third support cylinder 801 at equal distances, and one end of the positioning rod 906 penetrates through the through holes 9010 and is located inside the positioning hole 909;
firstly pulling the handles 908 on the two sides, driving the movable plate 903 to move at the moment, then driving the positioning rod 906 to move, simultaneously compressing the fourth spring 904, then when the third supporting cylinder 801 is positioned on the outer side of the third supporting rod 804, then releasing the control on the handle 908, resetting the fourth spring 904 and driving the movable plate 903 to move at the moment, then driving the positioning rod 906 to move until one end of the positioning rod 906 penetrates through the corresponding through hole 9010 and is positioned inside the positioning hole 909, then fixing the third supporting rod 804 and the third supporting cylinder 801, then fixing the connecting plate two 6 and the connecting plate one 7, and finally completing the connection and fixation of the prefabricated plate one 1 and the prefabricated plate two 4.
Claims (9)
1. A prefabricated member made of UHPC materials for buildings comprises a prefabricated plate I (1), and is characterized in that: a first mounting plate (2) is fixedly mounted at the top of the first prefabricated plate (1), a second prefabricated plate (4) is mounted above the first mounting plate (2), a second mounting plate (5) is fixedly mounted at the bottom of the second prefabricated plate (4), a first connecting plate (7) and a second connecting plate (6) are mounted between the first mounting plate (2) and the second mounting plate (5), the second connecting plate (6) is located above the first connecting plate (7), buffer mechanisms (3) are mounted between the first mounting plate (2) and the first connecting plate (7) and between the second mounting plate (5) and the second connecting plate (6), a distance adjusting mechanism (8) is mounted between the second connecting plate (6) and the first connecting plate (7), and a first connecting plate fixing mechanism (9) connected with the distance adjusting mechanism (8) is mounted between the second connecting plate (6) and the first connecting plate (7);
buffer gear (3) include with offer spout (301) in one side that mounting panel (2) and mounting panel two (5) are close to each other, inside fixedly connected with dead lever (303) of spout (301), the outside swing joint of dead lever (303) has slider (305), one side of slider (305) is equipped with first spring (304), first spring (304) cup joint with dead lever (303) activity, the top of slider (305) is rotated and is connected with turning block (306), the top of turning block (306) is rotated and is connected with dwang (308), dwang (308) top is rotated and is connected with fixed block (3010), the inside of fixed block (3010) is fixed and has been cup jointed support column (309), the top of support column (309) and the bottom fixed connection of connecting plate (7).
2. A building UHPC material prefabricated part according to claim 1, wherein: the bottom end fixedly connected with second bracing piece (3011) of support column (309), the outside activity of second bracing piece (3011) has cup jointed a second support section of thick bamboo (3012), the bottom fixedly connected with disc (3015) of a second support section of thick bamboo (3012), be equipped with between a second support section of thick bamboo (3012) and support column (309) with second bracing piece (3011) activity second spring (3016) that cup joints, the top of mounting panel (2) is seted up flutedly (3014), inside groove (3013) have been seted up to the inside of recess (3014), inside groove (3013) and disc (3015) activity joint, the external diameter value of a second support section of thick bamboo (3012) is less than the internal diameter value of recess (3014).
3. A building UHPC material prefabricated part according to claim 1, wherein: the top of mounting panel (2) is equal angle fixed mounting has first support section of thick bamboo (302), the inside movable mounting of first support section of thick bamboo (302) has inner tube (3017), the outside equidistance fixedly connected with third spring (3018) of inner tube (3017), the one end of third spring (3018) and the inner wall fixed connection of first support section of thick bamboo (302), the inside swing joint of inner tube (3017) has first bracing piece (307), the top of first bracing piece (307) and the bottom fixed connection of connecting plate (7).
4. A building UHPC material prefabricated part according to claim 1, wherein: the distance adjusting mechanism (8) comprises a third supporting cylinder (801) fixedly connected with the bottom of the second connecting plate (6), a third supporting rod (804) is movably connected inside the third supporting cylinder (801), the bottom end of the third supporting rod (804) is fixedly connected with the top of the first connecting plate (7), a movable sleeve (8010) is movably connected to the outer side of the third supporting cylinder (801), a handle (808) is fixedly connected to the bottom of the movable sleeve (8010) at an equal angle, and a large gear (809) is fixedly mounted to the outer side of the movable sleeve (8010).
5. A building UHPC material prefabricated part according to claim 1, wherein: the bottom both sides of connecting plate two (6) all rotate and are connected with rotation post (8011), the equal fixedly connected with swivel nut (806) in bottom of two rotation posts (8011), the equal fixed mounting in outside of two swivel nuts (806) has pinion (8012), two pinion (8012) all mesh with gear wheel (809), screw rod (805) have been cup jointed to the equal screw thread in inside of two swivel nuts (806), the equal fixedly connected with sill bar (803) in bottom of two screw rods (805), the bottom of two sill bars (803) all with the top fixed connection of connecting plate one (7).
6. A building UHPC material prefabricated part according to claim 1, wherein: the equal fixedly connected with fourth bracing piece (807) in bottom both sides of connecting plate two (6), the equal activity in the outside of two fourth bracing pieces (807) has cup jointed a fourth support section of thick bamboo (802), and the bottom of fourth bracing piece (807) extends to the inside of a fourth support section of thick bamboo (802), the bottom of two fourth support sections of thick bamboos (802) all with the top fixed connection of connecting plate one (7).
7. A building UHPC material prefabricated part according to claim 1, wherein: fixing mechanism (9) are including two curb plates (901) that are located connecting plate (7) top between the link plate, third bracing piece (804) are located between two curb plates (901), the bottom of two curb plates (901) all with the top fixed connection of connecting plate (7), the equal fixedly connected with connecting rod (902) in one side that two curb plates (901) are close to each other, the one end that two connecting rod (902) are close to each other all with third bracing piece (804) fixed connection, outer groove (907) have been seted up in the outside of a third support section of thick bamboo (801), outer groove (907) and movable sleeve (8010) swing joint.
8. A prefabricated part of UHPC material for construction according to claim 7, wherein: the outside swing joint of connecting rod (902) has fly leaf (903), and one side fixedly connected with activity post (905) of fly leaf (903), activity post (905) and curb plate (901) swing joint, the one end fixedly connected with handle (908) of activity post (905), opposite side fixedly connected with locating lever (906) of fly leaf (903).
9. A prefabricated member of UHPC material for construction according to claim 4, characterized in that: both sides of the third supporting rod (804) are provided with positioning holes (909), both sides of the third supporting cylinder (801) are provided with through holes (9010) at equal distances, and one end of the positioning rod (906) penetrates through the through holes (9010) and is located inside the positioning holes (909).
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| CN202111649569.7A CN114293656B (en) | 2021-12-30 | 2021-12-30 | UHPC material prefabricated part for building |
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| CN202111649569.7A CN114293656B (en) | 2021-12-30 | 2021-12-30 | UHPC material prefabricated part for building |
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| CN114293656A true CN114293656A (en) | 2022-04-08 |
| CN114293656B CN114293656B (en) | 2023-08-25 |
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| CN213710508U (en) * | 2020-11-11 | 2021-07-16 | 高冬 | Detachable temporary support for constructional engineering construction |
| CN213896888U (en) * | 2020-11-20 | 2021-08-06 | 鞍山创新实业有限公司 | Lifting column positioning and supporting device |
| CN214833670U (en) * | 2021-02-24 | 2021-11-23 | 九州职业技术学院 | Anti-collision device of shockproof building structure |
| CN214942768U (en) * | 2021-07-30 | 2021-11-30 | 中建二局第三建筑工程有限公司 | A consolidate bearing structure for building engineering |
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| CN114293656B (en) | 2023-08-25 |
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