CN113418779B - Method for monitoring connection state of inner curtain wall and outer curtain wall - Google Patents
Method for monitoring connection state of inner curtain wall and outer curtain wall Download PDFInfo
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- CN113418779B CN113418779B CN202110652145.XA CN202110652145A CN113418779B CN 113418779 B CN113418779 B CN 113418779B CN 202110652145 A CN202110652145 A CN 202110652145A CN 113418779 B CN113418779 B CN 113418779B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention provides a method for monitoring the connection state of an inner curtain wall and an outer curtain wall, wherein a steel structure long tie bar subsection connection device for horizontally supporting the inner curtain wall and the outer curtain wall is arranged between the inner curtain wall and the outer curtain wall, the steel structure long tie bar subsection connection device for horizontally supporting the inner curtain wall and the outer curtain wall comprises a first rod, a second rod, a guide rod, a sliding sleeve, a first compression spring, a second compression spring, four displacement meters, a base plate, a pressure sensor and an annular end cover plate, the pressure P1 of the first compression spring can be measured through the pressure sensor, the compression degree between the first rod and the second rod can be measured, the pressure P2 of the first compression spring can be obtained through the four displacement meters, and therefore the tension degree between the first rod and the second rod can be measured, the monitoring of the connection state between the first rod and the second rod is facilitated, the connection reliability between the inner curtain wall and the outer curtain wall is improved, and the high-altitude falling risk of the outer curtain wall is prevented.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a method for monitoring the connection state of an inner curtain wall and an outer curtain wall.
Background
At present, the inner curtain wall structure and the outer curtain wall structure are increasingly applied to super high-rise buildings, the structure can provide larger use space for the super high-rise buildings, and due to the existence of the inner curtain wall and the outer curtain wall, the buildings can obtain better energy-saving and environment-friendly effects, and the sound insulation, ventilation, indoor conditions and the like of the inner use space are improved.
In the structure system of the inner curtain wall and the outer curtain wall, the inner curtain wall is connected with the inner structure entity, and the outer curtain wall is connected with the inner curtain wall through the horizontal tie bars. As the distance between two curtain walls increases, the outer curtain wall is affected by environmental wind load, temperature load and dead weight, deformation of different sizes from the inner curtain wall will occur, if the outer curtain wall is greatly deformed under the action of horizontal load, the horizontal tie bars will be distorted or bent, and in consideration of the fact that the outer curtain wall is suspended on the structural main body, in order to ensure the safety and stability of the outer curtain wall, connection is required between the outer curtain wall and the inner curtain wall through the horizontal support tie bars or the floor slab, and as the differential deformation of the inner curtain wall and the outer curtain wall increases, the horizontal support tie bars may be distorted or bent. Such twisting or bending deformation would lead to the formation of a buckling state of the strut if the horizontal support tie is under compression, with catastrophic consequences. At the same time, as the length of the rod increases, the bending ratio increases, and the risk of instability increases exponentially therewith.
Disclosure of Invention
The invention aims to invent a method for monitoring the connection state of an inner curtain wall and an outer curtain wall, and solves the problems that the connection state between the inner curtain wall and the outer curtain wall is not monitored timely and the monitoring is difficult.
In order to solve the technical problems, the invention provides the following technical scheme:
a method for monitoring the connection state of inner and outer curtain walls comprises the following steps:
step 1, a steel structure long tie rod sectional connection device for horizontal support of an inner curtain wall and an outer curtain wall is arranged between the inner curtain wall and the outer curtain wall, the steel structure long tie rod sectional connection device for horizontal support of the inner curtain wall and the outer curtain wall comprises a first rod, a second rod, a guide rod, a sliding sleeve, a first compression spring, a second compression spring, four displacement meters, a backing plate, a pressure sensor and an annular end cover plate, one end of the guide rod is coaxially connected with one end of the first rod, one end of the sliding sleeve is coaxially connected with one end of the second rod, the other end of the guide rod is provided with an annular outer cylinder ring and a center rod, the outer cylinder ring is coaxially arranged on the outer side of the center rod, an annular groove is formed between the center rod and the outer cylinder ring, the end surface of the outer cylinder ring, which is far away from the first rod, the inner diameter of the end cover plate is smaller than the inner diameter of the outer cylinder ring, the end of the end, which is far away from the second rod, is provided with a circular groove for the center rod, the end, which is far away from the second rod, extends into the annular groove, the bottom surface of the guide rod, the center rod is sequentially provided with a first compression spring, the end spring, the second compression spring, the end which is close to the first compression spring, the end is arranged on the end, which is far from the center rod, the end of the second compression spring is uniformly arranged on the outer cylinder ring, the end is coaxial with the end cover, and the end, which is arranged on the end surface, and the end, which is respectively, and the end surface, and the end cover, is uniformly matched with the diameter, and is arranged, the connecting lines of the two ends of each displacement meter and the connecting parts of the guide rod and the sliding sleeve are parallel to the guide rod, the sliding sleeve can axially move relative to the guide rod, and when the guide rod and the sliding sleeve are in a pressed state, the first compression spring is pressed, and the second compression spring does not act; when the guide rod and the sliding sleeve are in a tension state, the second compression spring is pressed, the first compression spring does not act, and the four displacement meters and the pressure sensor are respectively in communication connection with a peripheral control system;
step 2, a tension threshold value P2max and a pressure threshold value P1max are set in a control system, the pressure P1 of a first compression spring is measured through a pressure sensor, the four displacement meters respectively measure corresponding displacement D1-D4 in real time, when a first rod and/or a second rod are in a pressed state, the first compression spring is pressed and deformed, P1 is greater than 0, a second compression spring is not stressed, P2=0, and if P1 is greater than P1max, an alarm is given; when the first and/or second rods are in tension, the second compression spring is compressed and deformed, the first compression spring is not stressed, p1=0, the average value D of the displacements D1-D4 is calculated, and the pressure P2 of the second compression spring is calculated through the formula p2=k×d, wherein k is the stiffness of the second compression spring, and if P2> P2max, an alarm is given.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, in step 2, the method further includes setting a curvature index threshold θ in the control system max When the first rod and/or the second rod are in a pressed state, calculating an axial displacement value D5 of the sliding sleeve relative to the guide rod based on the pressure P1 of the first compression spring and the rigidity k of the first compression spring, wherein D5=P1/k; the differences D1' to D4' of the four displacement meters measured displacement D1 to D4 and D5 are calculated respectively, D1' =D1-D5, D2' =D2-D5, D3' =d3-D5, D4' =d4-D5; dividing the difference value of the displacement meter on the symmetrical planes by the axial displacement value D5 of the sliding sleeve relative to the guide rod to obtain an absolute value as a bending index theta on the two symmetrical planes 13 、θ 24 ：
Taking the bending index on the two symmetrical planes with larger bending index as an integral bending index theta; if θ > θ max And alarming.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the central rod is provided with a circumferential constraint key for limiting the mutual rotation of the guide rod and the sliding sleeve, and the sliding sleeve is correspondingly provided with a key slot matched with the circumferential constraint key.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the circular groove is a stepped hole and comprises a first circular groove hole and a second circular groove hole which are sequentially arranged, the second circular groove hole is close to the second rod, the inner diameter of the first circular groove hole is larger than the inner diameter of the second circular groove hole, and the outer diameter of the central rod and the outer diameter of the first compression spring are smaller than the inner diameter of the second circular groove hole.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the other end of the first rod is connected with the inner curtain wall or the outer curtain wall, and the other end of the second rod is connected with the outer curtain wall or the inner curtain wall.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the end part of the first connection part of the guide rod and the first connection part of the rod is radially reduced to form a first radial reduced section, the end part of the first connection part of the rod and the guide rod is radially reduced to form a second radial reduced section, and the first radial reduced section is provided with a through hole into which the radial reduced section of the second radial reduced section extends and is fixedly connected with the first radial reduced section and the second radial reduced section.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, an antifriction sleeve is arranged on the circumferential wall of the circular groove of the sliding sleeve, and the outer diameter of the central rod is matched with the inner diameter of the antifriction sleeve.
Compared with the prior art, the technical scheme disclosed by the invention has the following beneficial effects:
according to the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the steel structure long tie bar subsection connection device for the horizontal support of the inner curtain wall and the outer curtain wall is arranged between the inner curtain wall and the outer curtain wall and comprises the first rod, the second rod, the guide rod, the sliding sleeve, the first compression spring, the second compression spring, the four displacement meters, the base plate, the pressure sensor and the annular end cover plate, the pressure P1 of the first compression spring can be measured through the pressure sensor, the compression degree between the first rod and the second rod can be measured, the pressure P2 of the first compression spring can be obtained through the four displacement meters, the tension degree between the first rod and the second rod can be measured, the monitoring of the connection state between the first rod and the second rod is facilitated, the connection reliability between the inner curtain wall and the outer curtain wall is improved, and the risk of high-altitude falling of the outer curtain wall is prevented.
Drawings
FIG. 1 is a schematic structural view of a steel structural long tie bar segment connection device for horizontal support of inner and outer curtain walls.
Fig. 2 is a section A-A of fig. 1.
In the figure: the device comprises a first 1-rod, a second 2-guide rod, a second 2.1-outer barrel, a second 2.2-center rod, a third 3-cover ring, a second 4-screw, a fourth 5-annular constraint key, a fourth 6-second compression spring, a third 7-end cover plate, a fourth 8-first screw, a third 9-antifriction sleeve, a third 10-first compression spring, a third 11-sliding sleeve, a third 11.1-first circular slot, a third 11.2-second circular slot, a third 11.3 retainer ring, a third 12-backing plate, a pressure sensor 13, a third 14-rod second and a fourth 15-displacement meter.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. The technical contents and features of the present invention will be described in detail below with reference to the attached drawings by way of the illustrated embodiments. It should be further noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention. For convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this should not be construed as a limitation of the technical scheme of the present invention.
Referring to fig. 1 to 2, the present embodiment discloses a method for monitoring the connection state of an inner curtain wall and an outer curtain wall, which includes the following steps:
step 1, a steel structure long tie bar sectional connection device for horizontally supporting an inner curtain wall and an outer curtain wall is arranged between the inner curtain wall and the outer curtain wall, the steel structure long tie bar sectional connection device for horizontally supporting the inner curtain wall and the outer curtain wall comprises a first rod 1, a second rod 14, a guide rod 2, a sliding sleeve 11, a first compression spring 10, a second compression spring 6, four displacement meters 15, a backing plate 12, a pressure sensor 13 and an annular end cover plate 7, one end of the guide rod 2 is coaxially connected with one end of the first rod 1, one end of the sliding sleeve 11 is coaxially connected with one end of the second rod 14, the other end of the guide rod 2 is provided with an annular outer cylinder ring 2.1 and a central rod 2.2, the outer cylinder ring 2.1 is coaxially arranged outside the central rod 2.2, an annular groove is formed between the central rod 2.2 and the outer cylinder ring 2.1, the end cover plate 7 is coaxially arranged on the end surface of the outer cylinder ring 2.1, which is far away from the first rod 1, the end cover plate 7 is fixed on the end surface of the outer barrel 2.1 far away from the rod 1 through a first screw 8, the inner diameter of the end cover plate 7 is smaller than the inner diameter of the outer barrel 2.1, a circular groove into which the center rod 2.2 extends is formed at the end part of the sliding sleeve 11 far away from the rod two 14, the end part of the sliding sleeve 11 far away from the rod two 14 extends into the annular groove of the guide rod 2, a first compression spring 10, a backing plate 12 and a pressure sensor 13 are sequentially arranged between the center rod 2.2 and the bottom surface of the circular groove, the first compression spring 10 is arranged close to the center rod 2.2, a radially outwards protruding check ring 11.3 is arranged at the end part of the sliding sleeve 11 far away from the rod two 14, the second compression spring 6 is arranged in a space formed by the outer barrel 2.1, the end cover plate 7, the sliding sleeve 11 and the check ring 11.3, the second compression spring 6 and the first compression spring 10 are coaxial with the center rod 2.2, the outer diameter of the center rod 2.2 is matched with the inner diameter of the circular groove of the sliding sleeve 11, the four displacement meters 15 are uniformly distributed around the axial lead of the center rod 2.2, two ends of each displacement meter 15 are respectively connected with the guide rod 2 and the sliding sleeve 11, the connecting line of the connecting parts of the two ends of each displacement meter 15 and the guide rod 2 and the sliding sleeve 11 is parallel to the guide rod 2, the sliding sleeve 11 can axially move relative to the guide rod 2, when the guide rod 2 and the sliding sleeve 11 are in a pressed state, the first compression spring 10 is pressed, and the second compression spring 6 does not act; when the guide rod 2 and the sliding sleeve 11 are in a tension state, the second compression spring 6 is compressed, the first compression spring 10 does not work, and the four displacement meters 15 and the pressure sensor 13 are respectively in communication connection with a peripheral control system;
step 2, a tension threshold value P2max and a pressure threshold value P1max are set in a control system, the pressure P1 of the first compression spring 10 is measured through the pressure sensor 13, the four displacement meters 15 respectively measure corresponding displacement D1-D4 in real time, when the first rod 1 and/or the second rod 14 are in a pressed state, the first compression spring 10 is pressed and deformed, P1 is more than 0, the second compression spring 6 is not stressed, P2=0, and if P1 is more than P1max, an alarm is given; when the first rod 1 and/or the second rod 14 are in a tension state, the second compression spring 6 is compressed and deformed, the first compression spring 10 is not stressed, p1=0, the average value D of the displacements D1 to D4 is calculated, and the pressure P2 of the second compression spring 6 is calculated by the formula p2=k×d, wherein k is the stiffness of the second compression spring 6, and if P2> P2max, an alarm is given.
According to the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the pressure P1 of the first compression spring 10 can be measured through the pressure sensor 13, so that the compression degree between the first rod 1 and the second rod 14 can be measured, the pressure P2 of the first compression spring 10 can be obtained through the four displacement meters 15, so that the tension degree between the first rod 1 and the second rod 14 can be measured, the connection state between the first rod 1 and the second rod 14 can be monitored, the connection reliability between the inner curtain wall and the outer curtain wall is improved, and the risk of high-altitude falling of the outer curtain wall is prevented.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, in step 2, the method further includes setting a curvature index threshold θ in the control system max When the first rod 1 and/or the second rod 14 are in a pressed state, calculating an axial displacement value D5 of the sliding sleeve 11 relative to the guide rod 2 based on the pressure P1 of the first compression spring 10 and the rigidity k of the first compression spring 10, wherein D5=P1/k; the four displacement meters 15 are respectively calculated to respectively measure the differences D1 'to D4', D1 '=D1-D5 and D2' =D2-D5 of the displacements D1 to D4 and D5D3 '=d3-D5, D4' =d4-D5; dividing the difference value of the displacement meter on the symmetrical plane by the axial displacement value D5 of the sliding sleeve 11 relative to the guide rod 2 to obtain an index of curvature theta on the two symmetrical planes 13 、θ 24 ：
Taking the bending index on the two symmetrical planes with larger bending index as an integral bending index theta; if θ > θ max And alarming. Thus, the distortion risk between the first rod 1 and the second rod 14 is found in time, the reliability and stability of connection between the inner curtain wall and the outer curtain wall are ensured, and the risk of high-altitude falling of the outer curtain wall is further prevented.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the central rod 2.2 is provided with the circumferential constraint key 5 for limiting the mutual rotation of the guide rod 2 and the sliding sleeve 11, and the sliding sleeve 11 is correspondingly provided with the key slot matched with the circumferential constraint key 5, so that the guide rod 2 and the sliding sleeve 11 can only move back to back or back to back along the axial direction of the guide rod 2 and the sliding sleeve 11.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the circular groove is a stepped hole, the stepped hole comprises a first circular groove hole 11.1 and a second circular groove hole 11.2 which are sequentially arranged, the second circular groove hole 11.2 is close to the second rod 14, the inner diameter of the first circular groove hole 11.1 is larger than the inner diameter of the second circular groove hole 11.2, and the outer diameters of the central rod 2.2 and the first compression spring 10 are smaller than the inner diameter of the second circular groove hole 11.2. By reducing the inner diameter of the second circular slot hole 11.2 where the first compression spring 10 is located, the unstable state can be fed back more easily.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the other end of the first rod 1 is connected with the inner curtain wall or the outer curtain wall, and the other end of the second rod 14 is connected with the outer curtain wall or the inner curtain wall.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, the end portion of the guide rod 2 connected with the first rod 1 is radially narrowed to form a first radially narrowed section, the end portion of the first rod 1 connected with the guide rod 2 is radially narrowed to form a second radially narrowed section, and the first radially narrowed section is provided with a through hole into which the second radially narrowed section extends, and the first radially narrowed section and the second radially narrowed section are fixedly connected. The radial shrinkage design of the end part of the guide rod 2 connected with the rod 1 realizes the reduction of the cross-sectional area of the part of the guide rod 2 connected with the rod 1, and the unstable state can be fed back more easily.
Preferably, in the method for monitoring the connection state of the inner curtain wall and the outer curtain wall, an antifriction sleeve 9 is disposed on the circumferential wall of the circular groove of the sliding sleeve 11, the outer diameter of the central rod 2.2 is matched with the inner diameter of the antifriction sleeve 9, the antifriction sleeve 9 is fixed on the circumferential wall of the circular groove of the sliding sleeve 11 through the cover ring 3 and the second screw 4, and sliding resistance between the sliding sleeve 11 and the guide rod 2 can be reduced by disposing the antifriction sleeve 9.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (7)
1. The method for monitoring the connection state of the inner curtain wall and the outer curtain wall is characterized by comprising the following steps:
step 1, a steel structure long tie rod sectional connection device for horizontal support of an inner curtain wall and an outer curtain wall is arranged between the inner curtain wall and the outer curtain wall, the steel structure long tie rod sectional connection device for horizontal support of the inner curtain wall and the outer curtain wall comprises a first rod, a second rod, a guide rod, a sliding sleeve, a first compression spring, a second compression spring, four displacement meters, a backing plate, a pressure sensor and an annular end cover plate, one end of the guide rod is coaxially connected with one end of the first rod, one end of the sliding sleeve is coaxially connected with one end of the second rod, the other end of the guide rod is provided with an annular outer cylinder ring and a center rod, the outer cylinder ring is coaxially arranged on the outer side of the center rod, an annular groove is formed between the center rod and the outer cylinder ring, the end surface of the outer cylinder ring, which is far away from the first rod, the inner diameter of the end cover plate is smaller than the inner diameter of the outer cylinder ring, the end of the end, which is far away from the second rod, is provided with a circular groove for the center rod, the end, which is far away from the second rod, extends into the annular groove, the bottom surface of the guide rod, the center rod is sequentially provided with a first compression spring, the end spring, the second compression spring, the end which is close to the first compression spring, the end is arranged on the end, which is far from the center rod, the end of the second compression spring is uniformly arranged on the outer cylinder ring, the end is coaxial with the end cover, and the end, which is arranged on the end surface, and the end, which is respectively, and the end surface, and the end cover, is uniformly matched with the diameter, and is arranged, the connecting lines of the two ends of each displacement meter and the connecting parts of the guide rod and the sliding sleeve are parallel to the guide rod, the sliding sleeve can axially move relative to the guide rod, and when the guide rod and the sliding sleeve are in a pressed state, the first compression spring is pressed, and the second compression spring does not act; when the guide rod and the sliding sleeve are in a tension state, the second compression spring is pressed, the first compression spring does not act, and the four displacement meters and the pressure sensor are respectively in communication connection with a peripheral control system;
step 2, a tension threshold value P2max and a pressure threshold value P1max are set in a control system, the pressure P1 of a first compression spring is measured through a pressure sensor, the four displacement meters respectively measure corresponding displacement D1-D4 in real time, when a first rod and/or a second rod are in a pressed state, the first compression spring is pressed and deformed, P1 is greater than 0, a second compression spring is not stressed, P2=0, and if P1 is greater than P1max, an alarm is given; when the first and/or second rods are in tension, the second compression spring is compressed and deformed, the first compression spring is not stressed, p1=0, the average value D of the displacements D1-D4 is calculated, and the pressure P2 of the second compression spring is calculated through the formula p2=k×d, wherein k is the stiffness of the second compression spring, and if P2> P2max, an alarm is given.
2. The method for monitoring the connection state of inner and outer curtain walls according to claim 1, further comprising setting a curvature index threshold value θ in the control system in step 2 max Based on the fact that when the first and/or second rods are in compressionCalculating the pressure P1 of the first compression spring and the stiffness k of the first compression spring to obtain an axial displacement value D5 of the sliding sleeve relative to the guide rod, wherein D5=P1/k; calculating the difference values D1 'to D4', D1 '=D1-D5, D2' =D2-D5, D3 '=D3-D5 and D4' =D4-D5 of the four displacement measurement displacements D1 to D4 and D5 respectively; dividing the difference value of the displacement meter on the symmetrical planes by the axial displacement value D5 of the sliding sleeve relative to the guide rod to obtain an absolute value as a bending index theta on the two symmetrical planes 13 、θ 24 ：
Taking the bending index on the two symmetrical planes with larger bending index as an integral bending index theta; if θ > θ max And alarming.
3. The method for monitoring the connection state of the inner curtain wall and the outer curtain wall according to claim 1, wherein the central rod is provided with a circumferential constraint key for limiting the mutual rotation of the guide rod and the sliding sleeve, and the sliding sleeve is correspondingly provided with a key slot matched with the circumferential constraint key.
4. The method for monitoring the connection state of the inner curtain wall and the outer curtain wall according to claim 1, wherein the circular groove is a stepped hole and comprises a first circular groove hole and a second circular groove hole which are sequentially arranged, the second circular groove hole is arranged close to the second rod, the inner diameter of the first circular groove hole is larger than the inner diameter of the second circular groove hole, and the outer diameter of the central rod and the outer diameter of the first compression spring are smaller than the inner diameter of the second circular groove hole.
5. The method for monitoring the connection state of inner and outer curtain walls according to claim 1, wherein the other end of the first rod is connected with the inner curtain wall or the outer curtain wall, and the other end of the second rod is connected with the outer curtain wall or the inner curtain wall.
6. The method for monitoring the connection state of the inner curtain wall and the outer curtain wall according to claim 1, wherein the end part of the first connection part of the guide rod and the first connection part of the rod is radially contracted to form a first radial contracted section, the end part of the first connection part of the rod and the guide rod is radially contracted to form a second radial contracted section, and the first radial contracted section is provided with a through hole for the second radial contracted section to extend into, and the first radial contracted section and the second radial contracted section are fixedly connected.
7. The method for monitoring the connection state of the inner curtain wall and the outer curtain wall according to claim 1, wherein an antifriction sleeve is arranged on the circumferential wall of the circular groove of the sliding sleeve, and the outer diameter of the center rod is matched with the inner diameter of the antifriction sleeve.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108615A (en) * | 1996-06-25 | 1998-01-13 | Central Glass Co Ltd | Tension truss structure and tension introducing method |
| JP2003013530A (en) * | 2001-07-04 | 2003-01-15 | Tostem Corp | Curtain wall |
| CN103938778A (en) * | 2014-05-13 | 2014-07-23 | 北京德宏幕墙工程技术有限公司 | Single-cable structural point supporting type glass curtain wall out-of-plane deformation limiting device |
| CN105297953A (en) * | 2015-09-22 | 2016-02-03 | 哈尔滨工业大学 | Built-in self-resetting steel plate support of assembling wall plate |
| CN110031320A (en) * | 2019-04-12 | 2019-07-19 | 山东科技大学 | A kind of internal and external frame combined variable rigidity rock mechanics experiment machine and test method |
| CN209163153U (en) * | 2018-11-22 | 2019-07-26 | 青岛康太源建设集团有限公司 | A kind of fixed structure of building curtain wall |
| CN210917858U (en) * | 2019-07-25 | 2020-07-03 | 深圳新中式建筑科技有限公司 | Archaize building integration curtain of preventing wind |
| CN111622401A (en) * | 2020-06-23 | 2020-09-04 | 上海市机械施工集团有限公司 | Node connecting device between curtain wall structure and building main body |
| CN212153852U (en) * | 2020-05-13 | 2020-12-15 | 宫东禹 | Cable structure curtain wall and daylighting top stay cable safety arrangement |
| CN212176200U (en) * | 2019-09-24 | 2020-12-18 | 王孟芳 | Connecting device for steel structure curtain wall |
-
2021
- 2021-06-10 CN CN202110652145.XA patent/CN113418779B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108615A (en) * | 1996-06-25 | 1998-01-13 | Central Glass Co Ltd | Tension truss structure and tension introducing method |
| JP2003013530A (en) * | 2001-07-04 | 2003-01-15 | Tostem Corp | Curtain wall |
| CN103938778A (en) * | 2014-05-13 | 2014-07-23 | 北京德宏幕墙工程技术有限公司 | Single-cable structural point supporting type glass curtain wall out-of-plane deformation limiting device |
| CN105297953A (en) * | 2015-09-22 | 2016-02-03 | 哈尔滨工业大学 | Built-in self-resetting steel plate support of assembling wall plate |
| CN209163153U (en) * | 2018-11-22 | 2019-07-26 | 青岛康太源建设集团有限公司 | A kind of fixed structure of building curtain wall |
| CN110031320A (en) * | 2019-04-12 | 2019-07-19 | 山东科技大学 | A kind of internal and external frame combined variable rigidity rock mechanics experiment machine and test method |
| CN210917858U (en) * | 2019-07-25 | 2020-07-03 | 深圳新中式建筑科技有限公司 | Archaize building integration curtain of preventing wind |
| CN212176200U (en) * | 2019-09-24 | 2020-12-18 | 王孟芳 | Connecting device for steel structure curtain wall |
| CN212153852U (en) * | 2020-05-13 | 2020-12-15 | 宫东禹 | Cable structure curtain wall and daylighting top stay cable safety arrangement |
| CN111622401A (en) * | 2020-06-23 | 2020-09-04 | 上海市机械施工集团有限公司 | Node connecting device between curtain wall structure and building main body |
Non-Patent Citations (1)
| Title |
|---|
| 李友 ; .高大幕墙钢骨架设计中的幕墙结构变形设计.建筑技术.2020,(第08期),86-90. * |
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