CN111287315B - Ultrahigh-performance concrete prefabricated part and preparation method thereof - Google Patents
Ultrahigh-performance concrete prefabricated part and preparation method thereof Download PDFInfo
- Publication number
- CN111287315B CN111287315B CN202010084599.7A CN202010084599A CN111287315B CN 111287315 B CN111287315 B CN 111287315B CN 202010084599 A CN202010084599 A CN 202010084599A CN 111287315 B CN111287315 B CN 111287315B
- Authority
- CN
- China
- Prior art keywords
- hole
- threaded
- rod
- spring
- block
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/383—Connection of concrete parts using adhesive materials, e.g. mortar or glue
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/6116—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by locking means on lateral surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to an ultra-high performance concrete prefabricated part, which belongs to the technical field of building materials and comprises a sandwich plate, wherein a plurality of threaded holes are formed in the sandwich plate along the length direction of the sandwich plate, lead-in holes are formed in the sandwich plate and positioned on two sides of the threaded holes, an insertion cylinder is arranged on the outer wall of the sandwich plate and positioned at the port of the lead-in holes, the insertion cylinder and the lead-in holes are coaxially arranged, an insertion rod is inserted in the lead-in holes in a sliding manner, a threaded abutting rod is inserted in the threaded holes, and a collision part is arranged at one end, close to the threaded holes, of the insertion rod; the wall of the insertion cylinder is provided with a vertical hole, the vertical hole is internally provided with a clamping part, after the insertion rod enters the insertion cylinder, the clamping part is pushed out from the vertical hole, the plate body is provided with an insertion groove for the insertion of the insertion cylinder, and the inner wall of the insertion groove is provided with a clamping groove for the insertion of the clamping part.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an ultrahigh-performance concrete prefabricated part and a preparation method thereof.
Background
At present, in the concrete industry, two plate bodies are mounted together, and the most effective and convenient method is to pour concrete on the plate surfaces of the two plate bodies which are contacted with each other, and the two plate bodies can be connected together after the concrete is solidified. However, this type of connection has the disadvantage that after the concrete has set, the two connected panels are very fragile in the direction perpendicular to their faces and can easily break if subjected to forces perpendicular to their faces, which can lead to unpredictable losses in the finished building.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an ultrahigh-performance concrete prefabricated part which has the advantages of convenience in installation of two plate bodies and relatively stable connection.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an ultra high performance precast concrete component, includes the plywood, a plurality of screw holes have been seted up along the length direction of plywood on the plywood, the length direction of screw hole is mutually perpendicular with the face of plywood, the lead-in hole has all been seted up to the screw hole both sides that lie in on the plywood, the length direction and the screw hole of lead-in hole are perpendicular, the port department that just lies in the lead-in hole on the plywood outer wall is provided with inserts a section of thick bamboo, insert a section of thick bamboo and the setting of lead-in hole coaxial line, it is equipped with the inserted bar to slide in the lead-in hole, the screw hole internal thread is inserted and is equipped with screw thread support rod, the length of screw thread support rod is the same with the length of screw hole, the one end that is close to the screw hole on the inserted bar is provided with conflict portion, conflict portion lies in the, One end of the insertion rod, which is far away from the interference part, is pushed into the insertion cylinder; the novel insertion barrel is characterized in that a vertical hole is formed in the barrel wall of the insertion barrel, the length direction of the vertical hole is perpendicular to that of the insertion barrel, a clamping portion is arranged in the vertical hole, after the insertion rod enters the insertion barrel, the clamping portion is pushed out from the vertical hole, a slot for inserting the insertion barrel is formed in the plate body, and a clamping groove for inserting the clamping portion is formed in the inner wall of the slot.
By adopting the technical scheme, when two plate bodies are connected, firstly, a layer of concrete is covered on the side surface of each plate body, then the sandwich plate is placed on the concrete, then, one side of the sandwich plate, which is far away from the plate bodies, is covered with a layer of concrete, and finally, the other plate body is placed above the sandwich plate, and in the process of attaching the plate bodies and the sandwich plate, the inserting cylinder on the sandwich plate is inserted into the inserting slot on the plate bodies; treat the concrete setting back, arrange horizontal position in with two plate bodies and a plywood, then toward screw hole internal screw insert screw thread to support the pole, make the screw thread support the pole and insert the threaded hole gradually, after contacting the conflict portion that inserts the rod tip, push into leading-in downthehole with conflict portion, the one end of inserting the pole this moment is toward inserting a section of thick bamboo and slides, thereby to insert the joint inslot of the interior joint portion of vertical hole to the plate body slot of going into in the section of thick bamboo, at this moment just link together firmly between plate body and the plywood, be difficult for breaking away from, thereby reach two plate bodies of being convenient for to install and connect comparatively firm effect.
The present invention in a preferred example may be further configured to: the contact part comprises a contact block arranged at the end part of the insertion rod, the contact block is shaped like a hemisphere, and the spherical surface side of the contact block faces the threaded contact rod.
Through adopting above-mentioned technical scheme, because the conflict piece is the hemisphere bodily form, when the conflict piece was contradicted to the screw thread support rod, can push away the conflict piece from the screw hole comparatively smoothly for the conflict piece receives the thrust of screw thread support rod and enters into in the guiding-in hole.
The present invention in a preferred example may be further configured to: and a Teflon layer is coated on the surface of the contact block.
By adopting the technical scheme, the Teflon is generally called as a non-stick coating or an easy-to-clean material. The material has the characteristics of high temperature resistance and extremely low friction coefficient, so that the material is coated on the surface of the abutting block, and the abutting block can be pushed away more easily when the threaded abutting rod abuts against the abutting block.
The present invention in a preferred example may be further configured to: the lead-in hole is provided with a first spring close to the threaded hole, one end of the first spring is connected with the inner hole wall of the lead-in hole, the other end of the first spring is connected with the rod wall of the insertion rod, and the first spring is sleeved on the insertion rod.
By adopting the technical scheme, after the threaded abutting rod completely enters the threaded hole, the abutting block is completely abutted into the guiding hole, and the first spring is in a compressed state; when needing to dismantle plate body and sandwich panel, at first support the pole to the screw thread and take out from the threaded hole, the screw thread supports the pole and no longer blocks to support the touch piece this moment, and first spring just bounces the conflict piece back to the threaded hole again under self elastic action this moment to reach and let the conflict piece rebound effect in the threaded hole again.
The present invention in a preferred example may be further configured to: the joint portion includes joint piece and second spring, the second spring housing is established on the joint piece, the joint piece slides and inserts and establish in erecting the hole, the one end of second spring with erect the inner wall connection in hole, the other end with the outer wall connection of joint piece, when the second spring is in natural state, one section of joint piece is located inserts a section of thick bamboo, another section is located erecting the hole.
By adopting the technical scheme, after the insertion rod extends into the insertion barrel, the clamping block can be extruded into the vertical hole by the insertion rod due to the fact that the inner space of the insertion barrel is occupied by the insertion rod, the second spring is in a compressed state, one end, far away from the insertion rod, of the clamping block is pushed out of the vertical hole at the moment and then enters the clamping groove in the plate body, and due to the fact that the clamping block is perpendicular to the insertion barrel, the insertion barrel is not easy to push out due to clamping of the clamping block, and therefore the effect of stable connection is achieved; if need take out the joint piece from the joint inslot, directly move out the inserted bar from inserting a section of thick bamboo for the inserted bar no longer occupies the space that inserts in a section of thick bamboo, the second spring can pull out the joint piece from the joint inslot under self elasticity effect this moment, make joint piece part once more enter into insert a section of thick bamboo in, one section of joint piece is located and inserts a section of thick bamboo this moment, another section is located the riser, therefore the joint piece just breaks away from the joint groove, thereby reach the effect that lets the joint piece can break away from the joint groove automatically.
The present invention in a preferred example may be further configured to: the face of the sandwich plate is provided with a countersunk circular groove, the countersunk circular groove and the threaded hole are coaxially arranged, the end part of the threaded abutting rod is provided with a countersunk block, and the size of the countersunk circular groove is the same as that of the countersunk circular groove.
Through adopting above-mentioned technical scheme, the setting of countersunk circular groove and countersunk head piece can be hidden the screw thread to the pole directly perceivedly to let the clamping plate surface seem comparatively level and smooth.
The present invention in a preferred example may be further configured to: and one end of the threaded abutting rod, which is far away from the countersunk head block, is provided with an abutting block, the abutting block is in a conical shape, and the abutting block abuts against the abutting block.
Through adopting above-mentioned technical scheme, the setting of butt piece can conveniently contact with the conflict piece to make butt piece and butt piece have a gliding inclined plane of confession conflict piece at the in-process of contact, thereby let the screw thread support the pole and promote the conflict piece more smoothly.
The present invention in a preferred example may be further configured to: the screw hole is that one end opening sets up, the other end seals the setting, be provided with the block rubber on the interior diapire of screw hole, the butt joint piece with block rubber looks butt.
Through adopting above-mentioned technical scheme, the setting of block rubber can let the pointed end portion of butt joint piece contradict on comparatively soft surface to let the piece of contradicting be difficult for receiving the damage.
The invention also aims to provide a preparation method of the ultra-high performance concrete prefabricated part, which has the advantages of convenient installation of two plate bodies and stable connection.
The above object of the present invention is achieved by the following technical solutions:
a preparation method of an ultrahigh-performance concrete prefabricated part comprises the following steps:
pouring concrete into a rectangular concrete test mold to form a primary model;
secondly, inserting a plurality of vertical pipes into the unset concrete along the length direction of the concrete test mold, and then adding or removing the vertical pipes on site according to the change of the concrete amount in the concrete test mold, wherein a layer of release agent is coated on the surfaces of the vertical pipes before the vertical pipes are inserted;
thirdly, coating a release agent on the surface of the transverse pipe, inserting the transverse pipe into the unset concrete in the width direction of the concrete test mold, and enabling one end of the transverse pipe to abut against the pipe wall of the vertical pipe;
after the concrete is solidified, taking down the transverse pipe and the vertical pipe, and putting the first spring, the second spring, the insertion rod and the clamping block into corresponding positions;
and step five, placing the internal threaded pipe in a hole formed after the vertical pipe is taken out, adhering the internal threaded pipe to the hole by using industrial glue, and screwing the threaded support rod into the threaded pipe.
In summary, the invention includes at least one of the following beneficial technical effects:
when two plate bodies are connected, firstly, a layer of concrete is covered on the side surface of each plate body, then the sandwich plate is placed on the concrete, then, one side of the sandwich plate, which is far away from the plate bodies, is covered with a layer of concrete, and finally, the other plate body is placed above the sandwich plate, and in the process of attaching the plate bodies and the sandwich plate, the inserting cylinder on the sandwich plate is inserted into the inserting slot on the plate bodies; treat the concrete setting back, arrange horizontal position in with two plate bodies and a plywood, then toward screw hole internal screw insert screw thread to support the pole, make the screw thread support the pole and insert the threaded hole gradually, after contacting the conflict portion that inserts the rod tip, push into leading-in downthehole with conflict portion, the one end of inserting the pole this moment is toward inserting a section of thick bamboo and slides, thereby to insert the joint inslot of the interior joint portion of vertical hole to the plate body slot of going into in the section of thick bamboo, at this moment just link together firmly between plate body and the plywood, be difficult for breaking away from, thereby reach two plate bodies of being convenient for to install and connect comparatively firm effect.
Drawings
Fig. 1 is a schematic structural view for showing the connection relationship between a plywood and a plate body according to the present invention.
Fig. 2 is a first partial sectional view of the present invention showing the attachment of a plywood sheet to a panel body.
Fig. 3 is a second partial sectional view of the present invention for illustrating the connection relationship of the plywood and the panel body.
Reference numerals: 1. a plywood; 11. a threaded hole; 12. an introduction hole; 121. a first spring; 13. a countersunk circular groove; 2. an insertion cartridge; 21. vertical holes; 3. an insertion rod; 31. a contact block; 4. a threaded prop rod; 41. a countersunk block; 42. a butting block; 5. a clamping part; 51. a clamping block; 52. a second spring; 6. a plate body; 61. a slot; 611. a clamping groove; 7. a rubber block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1, the ultra-high performance concrete prefabricated part disclosed by the invention comprises a sandwich plate 1, wherein a plurality of threaded holes 11 are formed in the sandwich plate 1 along the length direction of the sandwich plate 1, and the length direction of the threaded holes 11 is perpendicular to the plate surface of the sandwich plate 1; referring to fig. 2 and 3, the plywood 1 is provided with lead-in holes 12 on both sides of the threaded hole 11, and the length direction of the lead-in holes 12 is perpendicular to the threaded hole 11, that is, the number of the lead-in holes 12 is twice that of the threaded hole 11; an insertion cylinder 2 is arranged on the outer wall of the sandwich plate 1 and located at the port of the lead-in hole 12, the insertion cylinder 2 and the lead-in hole 12 are arranged coaxially, an insertion rod 3 is inserted in the lead-in hole 12 in a sliding mode, a threaded abutting rod 4 is inserted in the threaded hole 11 in a threaded mode, the threaded abutting rod 4 is perpendicular to the insertion rod 3, and the length of the threaded abutting rod 4 is the same as that of the threaded hole 11.
As shown in fig. 2 and 3, an interference portion is disposed at one end of the insertion rod 3 close to the threaded hole 11, the interference portion is located in the threaded hole 11, when the threaded rod 4 is completely inserted into the threaded hole 11, the interference portion is pushed into the introduction hole 12, and one end of the insertion rod 3 away from the interference portion is pushed into the insertion tube 2; specifically, the interference part is an interference block 31 arranged at the end part of the insertion rod 3, the interference block 31 is shaped like a hemisphere, and the spherical surface side of the interference block 31 faces the threaded interference rod 4; and a teflon layer is coated on the surface of the interference block 31.
Because the contact block 31 is a hemisphere, when the screw rod 4 abuts against the contact block 31, the contact block 31 can be pushed away from the threaded hole 11 more smoothly, so that the contact block 31 enters the introducing hole 12 under the pushing force of the screw rod 4, and teflon is generally called as "non-stick coating" or "easy-to-clean material". The material has the characteristics of high temperature resistance and extremely low friction coefficient, so that the material is coated on the surface of the abutting block, and the abutting block 31 can be pushed away more easily when the threaded abutting rod 4 abuts against the abutting block 31.
As shown in fig. 2 and 3, a first spring 121 is disposed in the introduction hole 12 near the threaded hole 11, one end of the first spring 121 is connected to the inner hole wall of the introduction hole 12, the other end is connected to the rod wall of the insertion rod 3, and the first spring 121 is sleeved on the insertion rod 3; after the screw abutting rod 4 completely enters the threaded hole 11, the abutting block 31 is completely abutted into the introduction hole 12, and at the moment, the first spring 121 is in a compressed state; if need carry out when dismantling plate body 6 and sandwich panel 1, at first support the pole 4 to the screw thread and take out from screw hole 11, the screw thread supports pole 4 this moment and no longer blocks to support touch piece 31, and first spring 121 just rebounds conflict piece 31 to screw hole 11 again under self elastic action this moment to reach and let conflict piece 31 rebound effect in the screw hole 11 again.
As shown in fig. 2 and 3, a vertical hole 21 is formed in the side wall of the insertion tube 2 at the end far away from the leading-in hole 12, the length direction of the vertical hole 21 is perpendicular to the length direction of the insertion tube 2, a clamping part 5 is arranged in the vertical hole 21, and after the insertion rod 3 enters the insertion tube 2, the clamping part 5 is pushed out from the vertical hole 21; the plate body 6 is provided with a slot 61 for inserting the insertion tube 2, and the inner wall of the slot 61 is provided with a clamping groove 611 for inserting the clamping part 5; that is, when the insertion tube 2 is inserted into the insertion groove 61 in the plate body 6, the vertical hole 21 just faces the clip groove 611 in the vertical direction, so that the clip portion 5 can normally move into the clip groove 611.
As shown in fig. 2 and 3, the clamping portion 5 includes a clamping block 51 and a second spring 52, the second spring 52 is sleeved on the clamping block 51, the clamping block 51 is slidably inserted into the vertical hole 21, one end of the second spring 52 is connected to the inner wall of the vertical hole 21, the other end of the second spring is connected to the outer wall of the clamping block 51, and when the second spring 52 is in a natural state, one section of the clamping block 51 is located in the insertion tube 2, and the other section of the clamping block 51 is located in the vertical hole 21.
Because the inner space of the insertion tube 2 is occupied by the insertion rod 3, the clamping block 51 can be extruded into the vertical hole 21 by the insertion rod 3, the second spring 52 is in a compressed state, and at the moment, one end, far away from the insertion rod 3, of the clamping block 51 is pushed out of the vertical hole 21 and then enters the clamping groove 611 on the plate body 6, and because the clamping block 51 is perpendicular to the insertion tube 2, the insertion tube 2 is clamped by the clamping block 51 and is not easy to push out, so that the effect of stable connection is achieved; if need take out in the joint piece 51 from joint groove 611, directly shift out inserted bar 3 from inserting a section of thick bamboo 2 for inserted bar 3 no longer occupies the space that inserts in a section of thick bamboo 2, second spring 52 can pull out joint piece 51 from joint groove 611 under self elasticity effect this moment, make joint piece 51 partly enter into once more and insert in a section of thick bamboo 2, joint piece 51 one section is located inserts a section of thick bamboo 2 this moment, another section is located perpendicular hole 21, therefore joint piece 51 just breaks away from joint groove 611, thereby reach the effect that lets joint piece 51 can break away from joint groove 611 automatically.
As shown in fig. 2 and 3, a countersunk circular groove 13 is formed on the plate surface of the sandwich plate 1, the countersunk circular groove 13 and the threaded hole 11 are coaxially arranged, a countersunk block 41 is arranged at the end of the threaded abutting rod 4, and the size of the countersunk circular groove 13 is the same as that of the countersunk circular groove 13; the arrangement of the countersunk circular grooves 13 and the countersunk blocks 41 can intuitively hide the threaded abutting rods 4, so that the surface of the sandwich panel 1 looks smooth.
As shown in fig. 2 and 3, one end of the threaded rod 4, which is far away from the countersunk head block 41, is provided with a contact block 42, the contact block 42 is conical, and the contact block 42 is in contact with the contact block 31; the setting of butt joint piece 42 can conveniently contact with conflict piece 31 to make butt joint piece 31 and butt joint piece 42 have a gliding inclined plane of confession conflict piece 31 at the in-process of contact, thereby let the screw thread support the pole 4 and promote that the butt joint piece 31 is more smooth and easy.
As shown in fig. 2 and 3, the threaded hole 11 is provided with an opening at one end and a seal at the other end, the rubber block 7 is arranged on the inner bottom wall of the threaded hole 11, and the abutting block 42 abuts against the rubber block 7; the arrangement of the rubber block 7 enables the tip of the abutment block 42 to abut against a softer surface, so that the abutment block 31 is not easily damaged.
Example two: a preparation method of an ultrahigh-performance concrete prefabricated part comprises the following steps:
pouring concrete into a rectangular concrete test mold to form a primary model;
secondly, inserting a plurality of vertical pipes into the unset concrete along the length direction of the concrete test mold, and then adding or removing the vertical pipes on site according to the change of the concrete amount in the concrete test mold, wherein a layer of release agent is coated on the surfaces of the vertical pipes before the vertical pipes are inserted;
thirdly, coating a release agent on the surface of the transverse pipe, inserting the transverse pipe into the unset concrete in the width direction of the concrete test mold, and enabling one end of the transverse pipe to abut against the pipe wall of the vertical pipe;
after the concrete is solidified, taking down the transverse pipe and the vertical pipe, and putting the first spring 121, the second spring 52, the insertion rod 3 and the clamping block 51 into corresponding positions;
and step five, placing the internal threaded pipe in a hole formed after the vertical pipe is taken out, adhering the internal threaded pipe to the hole by using industrial glue, and screwing the threaded support rod 4 into the threaded pipe.
The implementation principle of the embodiment is as follows: when two plate bodies 6 are connected, firstly, a layer of concrete is covered on the side surface of each plate body 6, then the sandwich plate 1 is placed on the concrete, then, one side of the sandwich plate 1, which is far away from the plate bodies 6, is covered with a layer of concrete, and finally, the other plate body 6 is placed above the sandwich plate 1, and in the process of attaching the plate bodies 6 and the sandwich plate 1, the inserting cylinder 2 on the sandwich plate 1 is inserted into the inserting groove 61 on the plate bodies 6; after the concrete is solidified, arranging two plate bodies 6 and one sandwich plate 1 in a horizontal position, and then spirally inserting a threaded support rod 4 into a threaded hole 11, so that the threaded support rod 4 is gradually inserted into the threaded hole 11, after contacting with a contact block 31 at the end part of an insertion rod 3, pushing the contact part into a lead-in hole 12, and at the moment, sliding one end of the insertion rod 3 into an insertion cylinder 2, so that a clamping block 51 in a vertical hole 21 on the insertion cylinder 2 is pushed into a clamping groove 611 in a slot 61 of the plate body 6, and at the moment, the plate body 6 and the sandwich plate 1 are stably connected together and are not easy to separate, thereby achieving the effects of facilitating the installation of the two plate bodies 6 and being stably connected; if the plywood 1 and the plate body 6 need to be disassembled, firstly, the concrete setting layer is broken, then the thread abutting rod 4 is rotated, so that the thread abutting rod 4 slides out of the threaded hole 11, at the moment, the abutting block 31 does not abut against the rod wall of the thread abutting rod 4, but returns to the threaded hole 11 again under the elastic force of the first spring 121, and at the moment, one end of the insertion rod 3 retreats to the lead-in hole 12 from the insertion cylinder 2; the insertion rod 3 does not occupy the space in the insertion tube 2, so that the catching block 51 is retracted from the catching groove 611 into the vertical hole 21 by the elastic force of the second spring 52. At this time, the insertion tube 2 is not engaged by the engaging block 51, and can be easily taken out from the insertion groove 61 of the plate body 6.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. An ultra-high performance concrete prefabricated part is characterized in that: including plywood (1), a plurality of screw holes (11) have been seted up along the length direction of plywood (1) on plywood (1), the length direction of screw hole (11) is mutually perpendicular with the face of plywood (1), it has all seted up inlet hole (12) to lie in screw hole (11) both sides on plywood (1), the length direction and the screw hole (11) of inlet hole (12) are mutually perpendicular, the port department that just lies in inlet hole (12) on plywood (1) outer wall is provided with inserts a section of thick bamboo (2), insert a section of thick bamboo (2) and the coaxial line setting of inlet hole (12), it is equipped with insert pole (3) to slide to insert in inlet hole (12), screw hole (11) internal thread is inserted and is equipped with screw thread support rod (4), the length that screw thread support rod (4) is the same with the length of screw hole (11), the one end that is close to screw hole (11) on insert pole (3) is provided with conflict portion, the interference part is positioned in the threaded hole (11), when the threaded interference rod (4) is completely inserted into the threaded hole (11), the interference part is pushed into the lead-in hole (12), and one end of the insertion rod (3) far away from the interference part is pushed into the insertion barrel (2); a vertical hole (21) is formed in the wall of the insertion tube (2), the length direction of the vertical hole (21) is perpendicular to the length direction of the insertion tube (2), a clamping portion (5) is arranged in the vertical hole (21), after the insertion rod (3) enters the insertion tube (2), the clamping portion (5) is pushed out of the vertical hole (21), a slot (61) for the insertion tube (2) to be inserted is formed in the plate body (6), and a clamping groove (611) for the clamping portion (5) to be inserted is formed in the inner wall of the slot (61); a first spring (121) is arranged at the position, close to the threaded hole (11), of the lead-in hole (12), one end of the first spring (121) is connected with the inner hole wall of the lead-in hole (12), the other end of the first spring is connected with the rod wall of the insertion rod (3), and the first spring (121) is sleeved on the insertion rod (3); joint portion (5) are including joint piece (51) and second spring (52), second spring (52) cover is established on joint piece (51), joint piece (51) slide to insert and establish in erecting hole (21), the one end of second spring (52) with erect the interior wall connection of hole (21), the other end and the outer wall connection of joint piece (51), when second spring (52) are in natural state, one section of joint piece (51) is located and inserts a section of thick bamboo (2), another section is located and erects hole (21).
2. The ultra-high performance concrete precast element according to claim 1, characterized in that: conflict portion is including setting up conflict piece (31) at inserted bar (3) tip, the shape of conflict piece (31) is hemisphere bodily form, the sphere side of conflict piece (31) is towards screw thread support rod (4).
3. The ultra-high performance concrete precast element according to claim 2, characterized in that: the surface of the contact block (31) is covered with a Teflon layer.
4. The ultra-high performance concrete precast element according to claim 2, characterized in that: countersunk circular groove (13) have been seted up on the face of plywood (1), countersunk circular groove (13) with screw hole (11) coaxial line sets up, the tip that the screw thread supports pole (4) is provided with countersunk block (41), the size of countersunk circular groove (13) with the size of countersunk circular groove (13) is the same.
5. The ultra-high performance concrete precast element according to claim 4, characterized in that: one end, far away from the countersunk head block (41), of the threaded abutting rod (4) is provided with an abutting block (42), the abutting block (42) is conical, and the abutting block (42) abuts against the abutting block (31).
6. The ultra-high performance concrete precast element according to claim 5, characterized in that: the threaded hole (11) is one end opening setting, the other end seals the setting, be provided with rubber block (7) on the interior diapire of threaded hole (11), butt joint piece (42) with rubber block (7) looks butt.
7. A preparation method of an ultrahigh-performance concrete prefabricated part is characterized by comprising the following steps of: the method comprises the following steps:
pouring concrete into a rectangular concrete test mold to form a primary model;
secondly, inserting a plurality of vertical pipes into the unset concrete along the length direction of the concrete test mold, and then adding or removing the vertical pipes on site according to the change of the concrete amount in the concrete test mold, wherein a layer of release agent is coated on the surfaces of the vertical pipes before the vertical pipes are inserted;
thirdly, coating a release agent on the surface of the transverse pipe, inserting the transverse pipe into the unset concrete in the width direction of the concrete test mold, and enabling one end of the transverse pipe to abut against the pipe wall of the vertical pipe;
after the concrete is solidified, taking down the transverse pipe and the vertical pipe, and putting the first spring (121), the second spring (52), the insertion rod (3) and the clamping block (51) into corresponding positions;
and step five, placing the internal threaded pipe in a hole formed after the vertical pipe is taken out, adhering the internal threaded pipe with industrial glue, and screwing the threaded support rod (4) into the threaded pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084599.7A CN111287315B (en) | 2020-02-10 | 2020-02-10 | Ultrahigh-performance concrete prefabricated part and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084599.7A CN111287315B (en) | 2020-02-10 | 2020-02-10 | Ultrahigh-performance concrete prefabricated part and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111287315A CN111287315A (en) | 2020-06-16 |
| CN111287315B true CN111287315B (en) | 2021-02-19 |
Family
ID=71021378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010084599.7A Active CN111287315B (en) | 2020-02-10 | 2020-02-10 | Ultrahigh-performance concrete prefabricated part and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111287315B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127482B (en) * | 2020-09-16 | 2022-06-21 | 浙江美约风家居股份有限公司 | Detachable movable wooden house |
| CN112814703A (en) * | 2021-02-03 | 2021-05-18 | 江西龙正科技发展有限公司 | UHPC underground ultrahigh-strength novel duct piece |
| CN114517536B (en) * | 2022-01-18 | 2022-10-28 | 中交第四公路工程局有限公司 | Connecting structure at reverse bending point of column |
| CN115162538B (en) * | 2022-07-29 | 2024-02-06 | 中国水利水电第三工程局有限公司 | Assembled building element |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348847A (en) * | 1980-10-06 | 1982-09-14 | Mod-Lok Industries Ltd. | Spacer extender |
| JP2008063776A (en) * | 2006-09-06 | 2008-03-21 | Hazama Corp | Mounting structure of panel member |
| CN102839752B (en) * | 2012-09-19 | 2014-07-09 | 黄昆 | Connector for concrete precast element |
| CN104328838B (en) * | 2014-10-17 | 2017-01-11 | 钟智谦 | Concrete prefabricated part connecting structure, connecting piece and connecting method |
| CN105350640A (en) * | 2015-11-19 | 2016-02-24 | 李全民 | A machinery connecting device between assembly type concrete prefabricated units and an operation method |
| JP2017122312A (en) * | 2016-01-04 | 2017-07-13 | 美藤 雅康 | Wood siding wall of using molding decorative placing form |
| CN206000027U (en) * | 2016-08-26 | 2017-03-08 | 浙江省交通工程建设集团有限公司 | A kind of precast concrete connector |
| CN206110493U (en) * | 2016-10-09 | 2017-04-19 | 袁江 | Cast member mechanical splice and hybrid connection structure |
| CN108547381A (en) * | 2018-07-09 | 2018-09-18 | 沈阳三建筑设计研究有限公司 | Prefabricated components connector, prefabricated components and prefabricated components connecting node |
| CN110485609B (en) * | 2019-07-08 | 2021-02-19 | 宁夏神聚钢结构安装工程有限公司 | Combined prefabricated floor slab for low-rise assembled steel structure house |
-
2020
- 2020-02-10 CN CN202010084599.7A patent/CN111287315B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111287315A (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111287315B (en) | Ultrahigh-performance concrete prefabricated part and preparation method thereof | |
| CN211572338U (en) | Fireproof and heat-insulating decorative wall | |
| CN110905125B (en) | Fabricated steel bar grouting sleeve for building and construction method | |
| CN110541491A (en) | fixing anchor bolt for hollow masonry heat-insulation finish coat and use method | |
| CN114150788A (en) | Composite heat-insulation board connecting piece and integrated composite heat-insulation external wall board | |
| CN109252592A (en) | A kind of rodlike connector and heat-preserving wall and its construction method | |
| CN116971531A (en) | Wallboard with cold-formed thin-wall section steel bridge cut-off structure | |
| CN203604390U (en) | Heat preservation board anchoring nail | |
| CN203066893U (en) | Centering device for reaming well section | |
| CN215410735U (en) | Plastic conduit connection structure convenient to dismantle fast | |
| CN203669122U (en) | Anchoring nail for insulation board | |
| CN220814560U (en) | House building steel bar connection structure | |
| CN211817426U (en) | Plugging assembly for grouting connection or slurry anchor connection of assembled sleeve | |
| CN203096968U (en) | Insulating nail sleeve | |
| CN202091314U (en) | Straight tube butting structure for office furniture | |
| CN208804086U (en) | Anti-pulling stud for anchoring heat-insulation board on hollow brick wall | |
| CN214006353U (en) | Building decoration concatenation panel | |
| CN219973520U (en) | New and old wall body interface connection device | |
| CN202544294U (en) | Expansion component for abutting external wall decorative board components | |
| CN206206348U (en) | Urgent expansion bolt in a kind of | |
| CN220036144U (en) | Pull rod connecting assembly for ultralow-energy-consumption building aluminum alloy template | |
| CN210565539U (en) | Quick connector for metal pipes | |
| CN203867131U (en) | Wall dry-hanging tile structure | |
| CN115199079B (en) | Outer wall screw hole plugging assembly and construction method | |
| CN218267847U (en) | Novel pagoda formula joint structure that leaks hunting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |