CN113737850B - Rapid connecting device for concrete prefabricated parts and using method thereof - Google Patents

Rapid connecting device for concrete prefabricated parts and using method thereof Download PDF

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Publication number
CN113737850B
CN113737850B CN202110953503.0A CN202110953503A CN113737850B CN 113737850 B CN113737850 B CN 113737850B CN 202110953503 A CN202110953503 A CN 202110953503A CN 113737850 B CN113737850 B CN 113737850B
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ball
seat
nut
component
precast concrete
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CN113737850A (en
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周俊亨
周亮
周正
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Dongguan Zhongji Jianke Industrial Co ltd
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Dongguan Zhongji Jianke Industrial Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • E04B1/215Connections specially adapted therefor comprising metallic plates or parts

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a quick connecting device for concrete prefabricated parts, which comprises an assembly A, an assembly B and a connecting bolt, wherein the assembly A comprises a ball nut capable of deflecting relative to the central line of the assembly A, the assembly B comprises a ball body capable of rolling, threads matched with the connecting bolt are arranged on the ball nut and the ball body, and the ball nut and the connecting bolt are connected with the ball body. The invention also discloses a use method of the quick connecting device for the concrete prefabricated part, and the quick connecting device is reasonable and ingenious in structural design and low in cost, avoids the problem that a large-size operation hand hole needs to be reserved on the surface of the concrete prefabricated part in the traditional technology, is suitable for the concrete prefabricated part with large thickness, avoids operation at the end part of the concrete prefabricated part, is suitable for occasions without operation conditions from the end part of the concrete prefabricated part, and is particularly suitable for connecting large underground assembled parts.

Description

Rapid connecting device for concrete prefabricated parts and using method thereof
Technical Field
The invention relates to the technical field of installation and connection of precast concrete components, in particular to a quick connecting device for precast concrete components and a using method thereof.
Background
In the technical field of installation and connection of concrete prefabricated parts, arc bolt connection, or connection of embedded oblique bolt sleeves and oblique bolts or connection of long straight bolts are used in the traditional technology.
The arc bolt connection or the connection by using the pre-embedded inclined bolt sleeve and the inclined bolt is suitable for the installation connection part of the concrete prefabricated part with smaller thickness, and a large-size operation hand hole needs to be reserved, so that the arc bolt connection or the connection by using the pre-embedded inclined bolt sleeve and the inclined bolt is not suitable for the concrete prefabricated part with larger thickness; the long straight bolt connection needs to reserve a through hole penetrating through the components for connection, needs to be operated at the end part of the concrete prefabricated component, and is not suitable for occasions without operation conditions from the end part of the concrete prefabricated component, particularly for connection of large components assembled underground.
Disclosure of Invention
In order to solve the problems, the invention discloses a quick connecting device for a concrete prefabricated part and a using method thereof.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a precast concrete component quick connecting device, its includes A subassembly, B subassembly and connecting bolt, the A subassembly is including the ball nut that can self central line deflect relatively, the B subassembly is including the spheroid that can roll, all be equipped with on this ball nut, the spheroid with the screw thread of connecting bolt looks adaptation, ball nut, connecting bolt are connected with the spheroid.
The component A comprises a base A, an end cover A and a ball nut, wherein one end face of the base A is provided with a ball socket A, the other end face of the base A is provided with a connecting hole A communicated with the ball socket A, the ball nut is arranged in the ball socket A, and the end cover A covers the end portion of the ball socket A.
The B component comprises a B base, a compression spring, a B end cover and a ball body, wherein a B ball socket is arranged on one end face of the B base, a B connecting hole communicated with the B ball socket is arranged on the other end face of the B base, the ball body is arranged in the B ball socket, the B end cover covers the end portion of the B ball socket, and the compression spring is arranged between the ball body and the B end cover.
One end of the ball body is provided with a C connecting hole, the other end of the ball body is provided with a round hole, a worm gear nut is rotatably arranged in the round hole, the ball body is provided with a worm matched with the worm gear nut, the seat B is provided with a working hole for operating the worm, the ball body end cover is covered on the round hole, and the compression spring is arranged between the ball body end cover and the end cover B;
the screw thread matched with the connecting bolt on the ball body is arranged on the worm wheel nut.
The inner wall surface of the ball socket A is provided with 2 or 4 rotation stopping convex strips which limit the rotation of the ball nut and allow the axial deflection of the ball nut at intervals, and the periphery of the ball nut is provided with the same number of rotation stopping grooves corresponding to the rotation stopping convex strips.
The tail end of the connecting bolt is provided with a guide angle, so that the connecting nut can fall into a threaded opening of the worm gear nut correctly.
The cross section of the rotation stopping convex strip is trapezoidal.
The component A also comprises a seat A anchor bolt, the seat A anchor bolt is connected with the seat A, and the seat A anchor bolt and the end cover A are positioned on the same side;
the component B also comprises a seat B anchor bolt, the seat B anchor bolt is connected with the seat B, and the seat B anchor bolt and the end cover B are positioned on the same side;
the component A and the component B are respectively anchored at the connecting part with different precast concrete components through the seat A anchor bolt and the seat B anchor bolt.
A use method of the quick connecting device for the precast concrete components comprises the steps of embedding an assembly A at the connecting part of the precast concrete component A, embedding an assembly B at the connecting part of the precast concrete component B, screwing a connecting bolt on a ball nut, and screwing a connecting bolt on a ball body, so that the quick connection of the precast concrete components is realized;
when the concrete prefabricated part A and the concrete prefabricated part B are connected in a staggered mode, the installation connecting axis of the concrete prefabricated part A and the concrete prefabricated part B deviates, the ball nut of the component A deflects in the ball socket of the seat A within the designed tolerance range, the ball body of the component B deflects together with the worm wheel nut and the worm in the ball socket of the seat B, and the ball nut, the ball body, the worm wheel nut and the worm are adaptive to the ball nut, the connecting bolt and the worm wheel nut in a coaxial mode, so that the concrete prefabricated part A and the concrete prefabricated part B can still be effectively connected.
The use method of the quick connecting device for the concrete prefabricated parts comprises the following steps:
connecting an anchor bolt of a seat A with the seat A, placing a ball nut in the seat A, enabling the spherical surface of the ball nut to be matched with a ball socket A, and enabling a rotation stopping groove of the ball nut to be matched with a rotation stopping convex strip of the seat A at the same time, so that the ball nut can be axially swung in the seat A by taking the circle center of the ball socket as an original point but cannot be axially rotated around the ball nut, and then fixing an end cover of the seat A on the seat A to obtain an assembly A;
the anchor bolt of the seat B is connected with the seat B, the worm gear nut and the worm are installed in the sphere in a matching mode, the sphere end cover is fixed on the sphere, the worm can drive the worm gear nut to rotate in the sphere without falling off the sphere, the assembled sphere is placed in the ball socket of the seat B, the compression spring is installed behind the sphere, the rear end of the seat B is sealed by the end cover of the seat B to obtain a component B, the sphere can roll freely in the component B, and the sphere can move along the telescopic direction of the compression spring;
the assembled A assembly is embedded in the connecting position of the precast concrete component A, the assembled B assembly is embedded in the connecting position of the precast concrete component B, before assembly is needed, a connecting bolt is screwed on a ball nut of the A assembly of the precast concrete component A, the precast concrete component B is moved to be close to the precast concrete component A, a connecting opening of the B assembly is sleeved with the connecting bolt exposed outside the precast concrete component A, when the precast concrete component B is continuously close to the mounting surface of the precast concrete component A, the connecting bolt pushes a ball body to a compression spring, the compression spring is compressed, a guide head of the connecting bolt falls into an inner hole of a worm wheel nut, when the precast concrete component B is completely in place, the ball body extends into a socket wrench from a working hole, and a worm is rotated to drive the worm wheel nut to lock the connecting bolt, so that the aims of tensioning the precast concrete component A and the precast concrete component B are achieved.
The beneficial effects of the invention are as follows: the invention has reasonable and ingenious structural design and low cost, avoids the need of reserving large-size operation hand holes on the surface of the member in the traditional technology, is suitable for being used for large-thickness concrete prefabricated members, avoids operating at the end parts of the concrete prefabricated members, is suitable for occasions without operation conditions from the end parts of the concrete prefabricated members, and is particularly suitable for connecting large underground assembled members.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a quick coupling device for precast concrete members according to the present invention;
FIG. 2 is a schematic diagram of the structure of the component A in the present invention;
FIG. 3 is a schematic view of the assembly of the seat A and the end cap A of the present invention;
FIG. 4 is a schematic structural view of the component B of the present invention;
FIG. 5 is a schematic view of the structure of seat B in the present invention;
FIG. 6 is a schematic view of the assembly of the ball and worm of the present invention;
FIG. 7 is a schematic diagram of an internal structure of a pre-buried bolt sleeve according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a shear bolt according to an embodiment of the present invention;
FIG. 9 is a side view of seat A of the present invention;
FIG. 10 is a side view of the ball nut of the present invention;
fig. 11 is a side view of a B-module of the present invention.
Detailed Description
The embodiment of the invention is used for mounting and connecting concrete prefabricated parts.
Referring to fig. 1 to 11, the present embodiment provides a quick connection device for precast concrete members, including:
the component A consists of a seat A anchor bolt 1, a seat A2, a ball nut 3 and an end cover A4; the method comprises the following steps: the component B consists of a seat B anchor bolt 5, a seat B6, a sphere 7, a worm gear nut 8, a worm 9, a sphere end cover 10, a compression spring 11 and a seat B end cover 12; including attachment bolts 13.
Seat a contains the connection hole 14 and the a ball socket 15, the ball nut 3 contains an internal thread 16 for screwing in the connection bolt 13, and the ball nut 3 contains a spherical surface that fits with the a ball socket 15.
The inner wall of the A ball socket 15 and the outer surface of the ball nut 3 are respectively provided with a rotation stopping convex strip 17 and a rotation stopping groove 23 which are used for preventing the ball nut from rotating around the axial direction of the A ball socket, and under the matching of the A ball socket 15, the spherical surface, the rotation stopping convex strip 17 and the rotation stopping groove 23, the ball nut 3 can freely deflect at a certain angle with the axial direction in the A ball socket 15, but can not rotate around the axial direction of the ball nut 3.
The B seat comprises a connecting hole 18 and a B ball socket 19, the ball 7 comprises a spherical surface matched with the B ball socket 19, and the ball 7 can freely roll in the B ball socket 19.
The sphere 7 comprises a worm 9 and a round hole 20, a worm wheel nut 8 is movably arranged in the round hole 20, the worm wheel nut 8 is limited in the round hole 20 of the sphere by a sphere end cover 10 and cannot be separated, and the worm 9 rotates to drive the worm wheel nut 8 to rotate.
A compression spring 11 is arranged in the seat B, the compression spring 11 is positioned between the ball 7 and a B end cover 12, and the ball is pressed towards the ball socket B by the compression spring 11.
A working hole 21 for operating the worm is arranged at a proper position of the seat B, the working hole 21 is communicated with a reserved hole 22 of the precast concrete component, and the tool rotating worm 9 can be extended into the working hole 21 and the reserved hole 22 or the head of the worm 9 is lengthened and extended to the outer surface of the precast concrete component.
The end of the connecting bolt 13 is provided with a proper guiding angle to help the connecting bolt 13 to correctly fall into the internal thread mouth of the worm wheel nut 8.
The connecting bolt 13 can be screwed into the internal thread of the ball nut 3 through the connecting hole 14 of the seat A, the connecting bolt 13 can fall into the internal thread opening of the worm gear nut 8 through the connecting hole 18 of the seat B, and the internal thread opening of the worm gear nut 8 is tightly abutted against the connecting bolt 13 under the action of the compression spring 11.
When the assembly is used, the seat A anchor bolt 1 is connected with the seat A2, the ball nut 3 is placed in the seat A2, the spherical surface of the ball nut 3 is matched with the ball socket A15 of the seat A2, meanwhile, the rotation stopping groove 23 of the ball nut 3 is matched with the rotation stopping convex strip 17 of the seat A, so that the ball nut 3 can axially deflect but cannot axially rotate around the ball nut 3 in the seat A2 by taking the circle center of the ball socket A15 as an original point, and then the end cover A4 is fixed on the seat A2 to obtain an assembly A;
the B seat anchor bolt 5 is connected with the B seat 6, the worm gear nut 8 and the worm 9 are installed at proper positions in the ball body 7, the ball body end cover 10 is fixed at the proper position of the ball body 7, so that the worm 9 can drive the worm gear nut 8 to rotate in the ball body 7 without falling off the ball body 7, the assembled ball body 7 is placed at the proper position in the B seat 6, the compression spring 11 is installed behind the ball body 7, the rear end of the B seat 6 is sealed by the B end cover 12 to obtain a B component, in the B component, the ball body 7 can roll freely, and the ball body 7 can move along the telescopic direction of the compression spring 11;
the assembled A assembly is pre-embedded at the connecting part of a precast concrete component A30, the assembled B assembly is pre-embedded at the connecting part of a precast concrete component B31, before assembly is needed, a connecting bolt 13 is screwed on a ball nut 3 of the A assembly of the precast concrete component A30, the precast concrete component B31 is moved to be close to the precast concrete component A30, a connecting hole 18 of the B assembly is sleeved in the connecting bolt 13 exposed outside the precast concrete component A30, when the precast concrete component B30 is continuously close to the mounting surface of the precast concrete component A30, the connecting bolt 13 pushes a ball body 7 to a compression spring 11, the compression spring 11 is compressed, the guiding head of the connecting bolt 13 falls into an inner hole of a worm wheel nut 8, and after the precast concrete component B31 is completely in place, the socket wrench is stretched into the reserved working hole 21, the worm 9 is rotated to drive the worm gear nut 8 to lock the connecting bolt 13, so that the purpose of tensioning the concrete prefabricated part A30 and the concrete prefabricated part B31 is achieved, when the concrete prefabricated part A30 and the concrete prefabricated part B31 are connected in a staggered mode, the installation connecting axis of the concrete prefabricated part A30 and the concrete prefabricated part B31 deviates, the ball nut of the component A deflects in the ball socket A15 within the designed tolerance range, the ball 7 of the component B together with the worm gear nut 8 and the worm 9 deflects in the ball socket B19, the ball nut 3 and the ball 7 together with the worm gear nut 8 and the worm 9 are self-adaptive to the ball nut 3, the connecting bolt 13 and the worm gear nut 8 are coaxial, and therefore the concrete prefabricated part A30 and the concrete prefabricated part B31 can still achieve effective connection
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the invention using the above disclosed technical means and teachings, or can modify equivalent embodiments with equivalent variations, without departing from the scope of the invention. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.

Claims (6)

1. A quick connecting device for concrete prefabricated parts is characterized by comprising an assembly A, an assembly B and a connecting bolt, wherein the assembly A comprises a ball nut capable of deflecting relative to the central line of the assembly A, the assembly B comprises a ball body capable of rolling, threads matched with the connecting bolt are arranged on the ball nut and the ball body, and the ball nut and the connecting bolt are connected with the ball body;
the component A comprises a base A, an end cover A and the ball nut, wherein one end face of the base A is provided with a ball socket A, the other end face of the base A is provided with a connecting hole A communicated with the ball socket A, the ball nut is arranged in the ball socket A, and the end cover A covers the end part of the ball socket A;
the component B comprises a seat B, a compression spring, an end cover B and a ball body, wherein a ball socket B is arranged on one end face of the seat B, a connecting hole B communicated with the ball socket B is arranged on the other end face of the seat B, the ball body is arranged in the ball socket B, the end cover B is covered on the end part of the ball socket B, and the compression spring is arranged between the ball body and the end cover B;
one end of the ball body is provided with a C connecting hole, the other end of the ball body is provided with a round hole, a worm gear nut is rotatably arranged in the round hole, the ball body is provided with a worm matched with the worm gear nut, the seat B is provided with a working hole for operating the worm, the ball body end cover is covered on the round hole, and the compression spring is arranged between the ball body end cover and the seat B end cover;
the screw thread matched with the connecting bolt on the ball body is arranged on the worm gear nut;
the inner wall surface of the ball socket A is provided with 2 or 4 rotation stopping convex strips which limit the rotation of the ball nut and allow the axial deflection of the ball nut at intervals, and the periphery of the ball nut is provided with the same number of rotation stopping grooves corresponding to the rotation stopping convex strips.
2. The precast concrete member quick connecting device according to claim 1, wherein the end of the connecting bolt is provided with a guide angle for the connecting nut to properly fall into the threaded mouth of the worm gear nut.
3. The precast concrete unit quick connection device according to claim 1, wherein the cross section of the rotation-stopping rib is trapezoidal.
4. The precast concrete member quick connecting device according to claim 1, wherein the a-block further comprises an a-block anchor connected to an a-block located on the same side as the a-end cap;
the component B also comprises a seat B anchor bolt, the seat B anchor bolt is connected with the seat B, and the seat B anchor bolt and the end cover B are positioned on the same side;
the component A and the component B are respectively anchored at the connecting part with different concrete prefabricated components through the seat A anchor bolt and the seat B anchor bolt.
5. A use method of the rapid connecting device for the precast concrete components as claimed in any one of claims 1 to 4, is characterized in that the component A is pre-embedded at the connecting part of the precast concrete component A, the component B is pre-embedded at the connecting part of the precast concrete component B, the connecting bolt is screwed on the ball nut, and the connecting bolt is screwed on the ball body, so that the rapid connection of the precast concrete components is realized;
when the concrete prefabricated part A and the concrete prefabricated part B are connected in a staggered mode, the installation connecting axis of the concrete prefabricated part A and the concrete prefabricated part B deviates, the ball nut of the component A deflects in the ball socket of the seat A within the designed tolerance range, the ball body of the component B deflects together with the worm wheel nut and the worm in the ball socket of the seat B, and the ball nut, the ball body, the worm wheel nut and the worm are adaptive to the ball nut, the connecting bolt and the worm wheel nut in a coaxial mode, so that the concrete prefabricated part A and the concrete prefabricated part B can still be effectively connected.
6. The method of use of claim 5, comprising:
connecting an anchor bolt of a seat A with the seat A, placing a ball nut in the seat A, enabling the spherical surface of the ball nut to be matched with a ball socket A, and enabling a rotation stopping groove of the ball nut to be matched with a rotation stopping convex strip of the seat A at the same time, so that the ball nut can be axially swung in the seat A by taking the circle center of the ball socket as an original point but cannot be axially rotated around the ball nut, and then fixing an end cover of the seat A on the seat A to obtain an assembly A;
the anchor bolt of the seat B is connected with the seat B, the worm gear nut and the worm are installed in the sphere in a matching mode, the sphere end cover is fixed on the sphere, the worm can drive the worm gear nut to rotate in the sphere without falling off the sphere, the assembled sphere is placed in the ball socket of the seat B, the compression spring is installed behind the sphere, the rear end of the seat B is sealed by the end cover of the seat B to obtain a component B, the sphere can roll freely in the component B, and the sphere can move along the telescopic direction of the compression spring;
the assembled A assembly is embedded in the connecting position of the precast concrete component A, the assembled B assembly is embedded in the connecting position of the precast concrete component B, before assembly is needed, a connecting bolt is screwed on a ball nut of the assembly A of the precast concrete component A, the precast concrete component B is moved to be close to the precast concrete component A, a connecting opening of the assembly B is sleeved in the connecting bolt exposed outside the precast concrete component A, when the precast concrete component B is continuously close to the mounting surface of the precast concrete component A, the connecting bolt pushes the ball body to the compression spring, the compression spring is compressed, a guide head of the connecting bolt falls into an inner hole of the worm wheel nut, when the precast concrete component B is completely in place, the sleeve wrench extends from a working hole, and the worm drives the worm wheel nut to lock the connecting bolt, so that the purpose of tensioning the precast concrete component A and the precast concrete component B is achieved.
CN202110953503.0A 2021-08-19 2021-08-19 Rapid connecting device for concrete prefabricated parts and using method thereof Active CN113737850B (en)

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Application Number Priority Date Filing Date Title
CN202110953503.0A CN113737850B (en) 2021-08-19 2021-08-19 Rapid connecting device for concrete prefabricated parts and using method thereof

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Application Number Priority Date Filing Date Title
CN202110953503.0A CN113737850B (en) 2021-08-19 2021-08-19 Rapid connecting device for concrete prefabricated parts and using method thereof

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CN113737850B true CN113737850B (en) 2023-02-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0853882A (en) * 1994-08-12 1996-02-27 Kawasaki Heavy Ind Ltd Sphere joint of space truss
CN1926341A (en) * 2004-03-03 2007-03-07 快连有限公司 Improvements in clamping assemblies
CN212897042U (en) * 2020-08-18 2021-04-06 济南纳思工程设计咨询有限公司 Three-dimensional adjustable detachable stone curtain wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0853882A (en) * 1994-08-12 1996-02-27 Kawasaki Heavy Ind Ltd Sphere joint of space truss
CN1926341A (en) * 2004-03-03 2007-03-07 快连有限公司 Improvements in clamping assemblies
CN212897042U (en) * 2020-08-18 2021-04-06 济南纳思工程设计咨询有限公司 Three-dimensional adjustable detachable stone curtain wall

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