CN219316420U - Fixing device for peripheral expansion joint of concrete column - Google Patents
Fixing device for peripheral expansion joint of concrete column Download PDFInfo
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- CN219316420U CN219316420U CN202320228335.3U CN202320228335U CN219316420U CN 219316420 U CN219316420 U CN 219316420U CN 202320228335 U CN202320228335 U CN 202320228335U CN 219316420 U CN219316420 U CN 219316420U
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Abstract
The utility model belongs to the technical field of expansion joints, and particularly relates to a fixing device for a peripheral expansion joint of a concrete column, which comprises a positioning frame, a movable frame and an adjusting assembly, wherein the positioning frame and the movable frame are circumferentially distributed along the frame column and are connected through the adjusting assembly, the positioning frame is placed in the expansion joint, and the adjusting assembly is adjusted to drive the movable frame to axially displace along the frame column. The beneficial effects of the utility model are as follows: the adjustable positioning frame is arranged, so that a user can flexibly adjust the size of the expansion joint which is fixed according to the requirement, and the expansion joint is always kept within the size of the expansion joint which is required by the design; the positioning frame and the moving frame always keep vertical parallel displacement, so that the levelness of the device is guaranteed, and in addition, the positioning frame and the moving frame are fixed together with the fixed rod, so that the connection is more stable, the deformation of the positioning frame caused by external force impact during construction is avoided to the greatest extent, the positioning precision is influenced, and the applicability is strong.
Description
Technical Field
The utility model belongs to the technical field of expansion joints, and particularly relates to a fixing device for a peripheral expansion joint of a concrete column.
Background
The expansion joint of a building, namely, an expansion joint, is a structural joint which is arranged along a proper position along the direction of a building or a construction joint of a structure in order to prevent a building member from generating cracks or damages due to climate temperature changes (thermal expansion and cold contraction). Taking a concrete terrace structure as an example, due to the long structure and large concrete quantity, cracks are often generated in the terrace concrete structure due to dry shrinkage, hydration heat, expansion with heat, contraction with cold and the like in the construction process. In the prior art, the expansion joint of the concrete column periphery terrace adopts a wood formwork hanging die, and is fixed on terrace steel bars through iron wires to carry out reinforcement positioning, the positioning of the expansion joint is inaccurate, the hanging die precision is poor, the construction process is very rough, and after the formwork is removed, the appearance quality is poor and the section size cannot be ensured due to reasons such as the expansion of the wood formwork, the loosening of the hanging die, the floating of the formwork and the like, so that a novel fixing device for the concrete column periphery expansion joint is needed to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the fixing device for the peripheral expansion joint of the concrete column, which improves the positioning precision of the expansion joint, greatly ensures the construction quality and effectively saves the cost and the construction period.
The technical scheme adopted by the embodiment of the utility model is as follows: a fixing device for peripheral expansion joint of concrete column can be connected with the frame post, its characterized in that: the device comprises a positioning frame, a moving frame and an adjusting assembly, wherein the positioning frame and the moving frame are circumferentially distributed along a frame column and are connected through the adjusting assembly, the positioning frame is placed into an expansion joint, and the adjusting assembly can be adjusted to drive the moving frame to axially displace along the frame column.
Further, the adjusting component comprises a first main connecting rod, a second main connecting rod, a connecting rod mechanism, a first linkage plate and a second linkage plate, one end of the connecting rod mechanism is connected with the positioning frame through the first linkage plate, the other end of the connecting rod mechanism is connected with the movable frame through the second linkage plate, two ends of the first main connecting rod are respectively connected with the connecting rod mechanism and the first linkage plate, and two ends of the second main connecting rod are respectively connected with the connecting rod mechanism and the second linkage plate.
Further, the link mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, one end of the first connecting rod is connected with the first linkage plate, the other end of the first connecting rod is connected with the third connecting rod through the fourth connecting rod, two ends of the second connecting rod are respectively connected with the third connecting rod and the first connecting rod, and the end part, away from the second connecting rod, of the third connecting rod is connected with the second linkage plate.
Further, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are sequentially connected to form a parallelogram.
Further, the first connecting rod, the fourth connecting rod and the end part, far away from the second linkage plate, of the second main connecting rod are connected in a rotating mode through a first pin shaft.
Further, the second connecting rod, the third connecting rod and the end part, far away from the first linkage plate, of the first main connecting rod are connected in a rotating mode through a second pin shaft.
Furthermore, the positioning frame is of an adjustable structure, the inner wall of the positioning frame is connected with the frame column, and the size of the positioning frame is matched with the size of the expansion joint.
Further, the positioning frame is provided with a groove with an opening facing the moving frame, and the first linkage plate is arranged in the groove.
Further, the moving frame is connected with the second linkage plate to wrap the frame column inside.
Further, a fixing rod is arranged between the positioning frame and the second linkage plate.
The utility model has the advantages and positive effects that: the adjustable positioning frame is arranged, and a user can flexibly adjust the size of the expansion joint which is fixed according to the requirement, so that the expansion joint is always kept in the size (including the height and the width) of the expansion joint which is required by the design; the positioning frame and the moving frame always keep vertical parallel displacement, so that the levelness of the device is ensured, and the positioning frame and the moving frame are fixed together with the fixed rod, so that the connection is more stable, deformation of the positioning frame caused by external force impact during construction is avoided to the greatest extent, the positioning precision is influenced, and the applicability is strong; the plurality of reinforcing ribs are arranged in the grooves of the positioning frame, so that the strength of the device is enhanced, and meanwhile, the impact of external force on the device in the construction process is avoided, and the positioning of the expansion joint is influenced; the fixed rod is arranged, the movable frame is driven to move along the length direction of the positioning rod through the second linkage plate, so that on one hand, a user can conveniently adjust the movable frame at any time on site, on the other hand, the connection between the positioning frame and the movable frame is firmer, the stability of the device during use is enhanced, the use effect is improved, the movable frame can be repeatedly used, and the cost is saved.
Drawings
FIG. 1 is a schematic diagram of an embodiment provided by the present utility model;
fig. 2 is a schematic structural view of an adjusting assembly according to an embodiment of the present utility model.
In the figure:
1. a frame column; 2. a positioning frame; 3. a moving frame; 41. a first main link; 42. a second main link; 43. a link mechanism; 431. a first connecting rod; 432. a second connecting rod; 433. a third connecting rod; 434. a fourth connecting rod; 435. a first pin; 436. a second pin; 44. a first linkage plate; 45. a second linkage plate; 5. and a fixing rod.
Detailed Description
The embodiment of the utility model provides a fixing device for a peripheral expansion joint of a concrete column, and the fixing device is described below with reference to the accompanying drawings.
Referring to fig. 1, a fixing device for an expansion joint around a concrete column can be connected with a frame column 1, and is characterized in that: the positioning frame 2 and the moving frame 3 are distributed along the circumferential direction of the frame column 1 and are connected through the adjusting component, the positioning frame 2 is placed in the expansion joint, and the adjusting component is adjusted to enable the moving frame 3 to axially displace along the frame column 1. The positioning frame 2 and the moving frame 3 distributed along the circumferential direction of the frame column 1 are arranged, the moving frame 3 can be vertically displaced along the frame column 1 through adjusting the adjusting component, the distance between the positioning frame 2 and the moving frame 3 is changed, the positioning frame 2 is always kept in an expansion joint, the expansion joint size (comprising the height and the width) required by design is met, the positioning frame 2 and the moving frame 3 are firmly fixed with the frame column 1 and are fixed through the adjusting component, the connection is more stable and firm, deformation of the positioning frame 2 caused by external force impact during construction is avoided to the greatest extent, the positioning accuracy of the expansion joint is further affected, the construction speed and the construction quality are accelerated, and the cost is saved.
It should be noted in particular that the technical solution of the present application is to install the device onto the frame column 1 in advance after the frame column 1 has been built and before the concrete is poured. Through adjusting the adjusting part, the expansion joint position, the cross section size, the elevation and the like are positioned in advance, so that the requirement of designing the expansion joint is met.
Preferably, the adjusting assembly comprises a first main connecting rod 41, a second main connecting rod 42, a connecting rod mechanism 43, a first linkage plate 44 and a second linkage plate 45, one end of the connecting rod mechanism 43 is connected with the positioning frame 2 through the first linkage plate 44, the other end of the connecting rod mechanism is connected with the moving frame 4 through the second linkage plate 45, two ends of the first main connecting rod 41 are respectively connected with the connecting rod mechanism 43 and the first linkage plate 44, and two ends of the second main connecting rod 42 are respectively connected with the connecting rod mechanism 43 and the second linkage plate 45. In this embodiment, the first main link 41, the second main link 42 and the link mechanism 43 move simultaneously, so as to drive the second linkage plate 45 to move up and down along the frame column 1, and always ensure that the first linkage plate 44 and the second linkage plate 45 move in parallel along the length direction of the frame column 1, so that the positioning frame 2 and the moving frame 3 move in parallel, so that the positioning frame 2 is firmly fixed in the expansion joint, stability and forming quality of the expansion joint are improved, reworking of expansion joint, repeated consumption of resources, pavement repair and treatment at the expansion joint, even dismantling and reinstallation are effectively avoided, and a large amount of construction cost is saved.
Preferably, the link mechanism 43 includes a first connecting rod 431, a second connecting rod 432, a third connecting rod 433 and a fourth connecting rod 434, one end of the first connecting rod 431 is connected with the first linkage plate 44, the other end is connected with the third connecting rod 433 through the fourth connecting rod 434, two ends of the second connecting rod 432 are respectively connected with the third connecting rod 433 and the first connecting rod 431, and an end portion, far away from the second connecting rod 432, of the third connecting rod 433 is connected with the second linkage plate 45.
Preferably, the first connection rod 431, the second connection rod 432, the third connection rod 433 and the fourth connection rod 434 are sequentially connected to enclose a parallelogram. In the present embodiment, the first connection rod 431, the second connection rod 432, the third connection rod 433 and the fourth connection rod 434 form a planar connection rod mechanism, wherein the left end of the first connection rod 431 extends and is rotatably connected with the first linkage plate 44, the third pin 437 is provided on the first connection rod 431, the right end of the third connection rod 433 extends and is rotatably connected with the second linkage plate 45, and the fourth pin 438 is provided on the first connection rod 431.
Preferably, the first connection rod 431, the fourth connection rod 434 and the end of the second main connection rod 42 remote from the second link plate 45 are rotatably connected through the first pin 435.
Preferably, the second and third connection bars 432 and 433 are rotatably connected to the end of the first main connection bar 41 remote from the first link plate 44 through the second pin 436.
Preferably, the first connecting rod 431 is provided with a third pin 437, and an end of the second connecting rod 432 away from the first pin 435 is connected with the first connecting rod 431 through the third pin 437.
Preferably, the third connecting rod 433 is provided with a fourth pin 438, and an end portion of the fourth connecting rod 434, which is far away from the first pin 435, is connected to the third connecting rod 433 through the fourth pin 438.
Preferably, the positioning frame 2 is an adjustable structure, the inner wall of the positioning frame is connected with the frame column 1, and the size of the positioning frame is matched with the size of the expansion joint. In this embodiment, the size of the positioning frame 2 can be flexibly adjusted, so that a user can flexibly splice according to the size of the expansion joint, and the practicability is higher.
Preferably, the positioning frame 2 is provided with a groove 21 opening toward the moving frame 3, and the first link plate 44 is provided in the groove 21. In the embodiment, the positioning frame 2 is a plurality of plate-shaped structures spliced together through bolts, and is filled in the expansion joint, so that no deviation occurs in the construction process, and the construction quality is improved.
Preferably, a plurality of reinforcing ribs are arranged in the groove 21 to strengthen the strength of the positioning frame 2 so as to ensure the construction quality of the expansion joint.
Preferably, the moving frame 3 is connected to the second linkage plate 45 to wrap the frame column 1 inside. In the present embodiment, the moving frame 3 and the second link plate 45 enclose a quadrangle that matches the outer shape of the frame column 1, wrapping the frame column 1 inside.
Preferably, a fixing rod 5 is provided between the positioning frame 2 and the second linkage plate 45.
Preferably, the fixed bar 5 is connected to the positioning frame 2 by a first ear plate 6 and to the moving frame 3 by a second ear plate 7. In the present embodiment, the two sides of the second linkage plate 45 are provided with plate-shaped structures, and the second ear plate 7 is provided on the plate-shaped structures far away from the frame column 1, however, the second ear plate 7 may also be directly provided on the second linkage plate 45, which is not specifically set herein, as long as the same function can be achieved.
Preferably, the first ear plate 6 and the second ear plate 7 are provided with fixing nuts, so that the fixing rod 5 can be locked, and the fixing rod 5, the positioning frame 2 and the moving frame 3 are further fixed together, thereby enhancing the stability of the device.
A method of using a fixing device for a peripheral expansion joint of a concrete column as described above, characterized by:
connecting the first linkage plate 44 with the positioning frame 2;
connecting the second linkage plate 45 with the moving frame 3;
connecting the positioning frame 2, the moving frame 3 and the frame column 1;
connecting the positioning frame 2 with the expansion joint;
the link mechanism 43 and the first linkage plate 44 are connected by the first main link 41;
the link mechanism 43 and the second linkage plate 45 are connected by the second main link 42;
the first linkage plate 44 and the second linkage plate 45 are connected by the link mechanism 43;
the adjusting component drives the movable frame 3 to axially displace along the frame column 1.
When the construction method is used, after the construction of the first-layer frame column is finished and before the construction of the terrace structure, the construction quality is guaranteed for accelerating the construction progress, the construction of the terrace structure is finished in advance, and the whole device can be prefabricated in advance after the first-layer support frame is removed. According to the frame column plus 0.500 or other elevation lines, the movable frame 3 at the upper part of the frame column is firstly installed, so that the levelness of the part of the device is ensured. And then adjusting the adjusting assembly according to the position of the expansion joint at the root part of the frame column 1, and adjusting the distance between the positioning frame 2 and the expansion joint until the height and elevation requirements of the expansion joint are met. After the positioning is finished, the positioning frame 2 at the lower part of the frame column 1 is continuously installed, and the positioning of the expansion joint at the root part of the frame column 1 is finished. After the construction is finished, the positioning frame 2, the moving frame 3 and the fixing rod 5 are all detachable, the adjusting component 4 can retract to the attaching position of the upper and lower linkage plates, the carrying is convenient, and the device can be reused in the future. The device is rapid and convenient to install, has a wide application range, and particularly can be repeatedly used for expansion joints at positions of frame columns when the expansion and contraction concrete terrace is adopted, so that the construction quality is ensured, the construction efficiency is improved, and the construction period is effectively saved.
The utility model has the advantages and positive effects that: the adjustable positioning frame is arranged, and a user can flexibly adjust the size of the expansion joint which is fixed according to the requirement, so that the expansion joint is always kept in the size (including the height and the width) of the expansion joint which is required by the design; the positioning frame and the moving frame always keep vertical parallel displacement, so that the levelness of the device is ensured, and the positioning frame and the moving frame are fixed together with the fixed rod, so that the connection is more stable, deformation of the positioning frame caused by external force impact during construction is avoided to the greatest extent, the positioning precision is influenced, and the applicability is strong; the plurality of reinforcing ribs are arranged in the grooves of the positioning frame, so that the strength of the device is enhanced, and meanwhile, the impact of external force on the device in the construction process is avoided, and the positioning of the expansion joint is influenced; the fixed rod is arranged, the movable frame is driven to move along the length direction of the positioning rod through the second linkage plate, so that on one hand, a user can conveniently adjust the movable frame at any time on site, on the other hand, the connection between the positioning frame and the movable frame is firmer, the stability of the device during use is enhanced, the use effect is improved, the movable frame can be repeatedly used, and the cost is saved.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (10)
1. A fixing device for peripheral expansion joint of concrete column can be connected with the frame post, its characterized in that: the device comprises a positioning frame, a moving frame and an adjusting assembly, wherein the positioning frame and the moving frame are circumferentially distributed along a frame column and are connected through the adjusting assembly, the positioning frame is placed into an expansion joint, and the adjusting assembly can be adjusted to drive the moving frame to axially displace along the frame column.
2. The fixing device for a peripheral expansion joint of a concrete column according to claim 1, wherein: the adjusting assembly comprises a first main connecting rod, a second main connecting rod, a connecting rod mechanism, a first linkage plate and a second linkage plate, one end of the connecting rod mechanism is connected with the positioning frame through the first linkage plate, the other end of the connecting rod mechanism is connected with the movable frame through the second linkage plate, two ends of the first main connecting rod are respectively connected with the connecting rod mechanism and the first linkage plate, and two ends of the second main connecting rod are respectively connected with the connecting rod mechanism and the second linkage plate.
3. The fixing device for a peripheral expansion joint of a concrete column according to claim 2, wherein: the connecting rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, one end of the first connecting rod is connected with the first linkage plate, the other end of the first connecting rod is connected with the third connecting rod through the fourth connecting rod, two ends of the second connecting rod are respectively connected with the third connecting rod and the first connecting rod, and the end part, away from the second connecting rod, of the third connecting rod is connected with the second linkage plate.
4. A fixing device for a peripheral expansion joint of a concrete column according to claim 3, characterized in that: the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are sequentially connected to form a parallelogram.
5. The fixing device for a peripheral expansion joint of a concrete column according to claim 4, wherein: the first connecting rod, the fourth connecting rod and the end part, far away from the second linkage plate, of the second main connecting rod are connected in a rotating mode through a first pin shaft.
6. The fixing device for a peripheral expansion joint of a concrete column according to claim 5, wherein: the second connecting rod, the third connecting rod and the end part, far away from the first linkage plate, of the first main connecting rod are connected in a rotating mode through a second pin shaft.
7. The fixing device for a peripheral expansion joint of a concrete column according to claim 2, wherein: the positioning frame is of an adjustable structure, the inner wall of the positioning frame is connected with the frame column, and the size of the positioning frame is matched with the size of the expansion joint.
8. The fixture for a peripheral expansion joint of a concrete column according to claim 7, wherein: the positioning frame is provided with a groove with an opening facing the moving frame, and the first linkage plate is arranged in the groove.
9. The fixture for a peripheral expansion joint of a concrete column according to claim 7, wherein: the movable frame is connected with the second linkage plate so as to wrap the frame column inside.
10. The fixing device for a peripheral expansion joint of a concrete column according to claim 2, wherein: a fixed rod is arranged between the positioning frame and the second linkage plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228335.3U CN219316420U (en) | 2023-02-16 | 2023-02-16 | Fixing device for peripheral expansion joint of concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228335.3U CN219316420U (en) | 2023-02-16 | 2023-02-16 | Fixing device for peripheral expansion joint of concrete column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219316420U true CN219316420U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320228335.3U Active CN219316420U (en) | 2023-02-16 | 2023-02-16 | Fixing device for peripheral expansion joint of concrete column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219316420U (en) |
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2023
- 2023-02-16 CN CN202320228335.3U patent/CN219316420U/en active Active
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