CN114790777B - Assembled steel construction device - Google Patents
Assembled steel construction device Download PDFInfo
- Publication number
- CN114790777B CN114790777B CN202210593858.8A CN202210593858A CN114790777B CN 114790777 B CN114790777 B CN 114790777B CN 202210593858 A CN202210593858 A CN 202210593858A CN 114790777 B CN114790777 B CN 114790777B
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- steel plate
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- jacking
- lower steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 169
- 239000010959 steel Substances 0.000 title claims abstract description 169
- 238000010276 construction Methods 0.000 title claims description 6
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 14
- 230000008859 change Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 13
- 238000007664 blowing Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/08—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6104—Connections for building structures in general of slab-shaped building elements with each other the overlapping ends of the slabs connected together
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses an assembly type steel structure device, which comprises an upper steel plate and a lower steel plate which are assembled by overlapping end parts, and also comprises a driven assembly which is connected between the upper steel plate and the lower steel plate; and when the upper steel plate and the lower steel plate generate relative movement due to thermal expansion and cold contraction to drive the driven assembly to move, the driven assembly drives the jacking assembly to jack the upper steel plate to generate a gap. When appearing high temperature or severe cold weather or temperature change great condition, can produce relative movement between the steel sheet under and the steel sheet by the influence of expend with heat and contract with cold effect to make driven component produce the action and change, this change drives the top and lifts the subassembly and upwards jack-up with last steel sheet, forms the gap between last steel sheet and lower steel sheet, makes the two can not contact when relative movement, avoids producing the frictional noise.
Description
Technical Field
The invention relates to the field of steel structure buildings, in particular to an assembly type steel structure device.
Background
The fabricated steel structure building is a building in which a part of a steel structure framework is produced and installed in a factory in advance, and then the steel structure framework is transported to a construction site and connected by welding lines, bolts or rivets. Because the steel structure has light dead weight and low manufacturing cost, is easy to build and has simple and efficient assembly type, the assembly type steel structure is widely applied to the fields of factory buildings, venues, playgrounds and the like.
The invention discloses a laminated floor slab for a steel structure building, which is disclosed by the invention patent CN110359611B, the buffer effect of a first floor slab body is improved through a buffer structure, the first floor slab body has a certain shock absorption effect, the abrasion between the first floor slab body and a second floor slab body is reduced, a fixing structure slides into a sliding structure through the matching use of the buffer structure and the fixing structure, the first floor slab body and the second floor slab body are fixed, and the buffer shock absorption effect of the first floor slab body is further improved through the sliding structure.
Like the assembly methods that above patent adopted, place two steel construction floor stacks and can produce some problems when in actual use. Because steel material is easily heated, and is better sound transmission medium, when two steel sheet stacks were placed, especially when as roof or outer wall etc. towards external structure, when high temperature or severe cold weather or the great condition of temperature variation appear, the steel sheet can produce expend with heat and contract with cold's effect, thereby two steel sheets can take place relative movement and send obvious friction noise, and this kind of sound is more harsh in transmitting people's ear.
Disclosure of Invention
The invention aims to provide an assembly type steel structure device which does not generate noise under high temperature or severe cold weather.
In order to achieve the above purpose, the invention provides the following technical scheme: an assembled steel construction installation, includes the last steel sheet and the lower steel sheet of tip stack assembly, still includes:
the driven assembly is connected between the upper steel plate and the lower steel plate;
and when the upper steel plate and the lower steel plate generate relative movement due to thermal expansion and cold contraction to drive the driven assembly to move, the driven assembly drives the jacking assembly to jack the upper steel plate to generate a gap.
In the assembly type steel structure device, one end of the jacking assembly is connected to the lower steel plate, and the other end of the jacking assembly supports the upper steel plate.
In the assembly type steel structure device, the jacking assembly comprises a jacking block and a movable plate which are matched in a wedge shape, the jacking block supports the upper steel plate, and the driven assembly drives the movable plate to reciprocate so that the jacking block jacks the upper steel plate.
In the assembly type steel structure device, the jacking assembly further comprises a connecting plate fixed at the end part of the lower steel plate, a fixed seat is arranged at the side part of the connecting plate, the ejector block is movably inserted on the upper surface of the fixed seat, and the movable plate is horizontally inserted on the connecting plate and extends to the bottom of the ejector block to be matched with the ejector block.
In the assembly type steel structure device, the upper surface of the movable plate is provided with the inverted trapezoidal groove matched with the bottom end of the top block, and the inverted trapezoidal groove is of an isosceles trapezoid structure.
In the assembly type steel structure device, the top end of the top block is provided with the ball.
In the assembly type steel structure device, the end part of the upper steel plate is also provided with the jacking assembly, and the two pairs of jacking assemblies are driven by the driven assembly together.
In the assembled steel structure device, the driven component comprises the rotating plate, the upper steel plate and the lower steel plate are respectively provided with a mounting hole, the rotating plate is rotatably mounted in the mounting holes, and the rotating plate drives the movable plate to move when rotating.
In the assembly type steel structure device, the end part of the movable plate is hinged on the rotating plate, and the rotating plate is provided with a sliding hole for the end part of the movable plate to slide.
In the assembly type steel structure device, the two mounting holes are internally provided with the supporting rods, the rotating plate is provided with the slender waist holes matched with the supporting rods, and the rotating plate is movably sleeved on the two supporting rods through the slender waist holes.
In the technical scheme, the invention has the beneficial effects that:
when the great condition of high temperature or severe cold weather or temperature change appears, can produce relative movement between steel sheet and the lower steel sheet by the influence of thermal expansion and cold contraction effect, thereby make driven component produce the action and change, this change drives the top and lifts the subassembly and upwards jack-up the steel sheet, forms the gap between last steel sheet and the lower steel sheet, makes the two can not contact when relative movement, avoids producing the frictional noise.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of an embodiment of the present invention in its normal state;
FIG. 3 is an elevational cut-away view of an embodiment of the present invention in hot weather;
FIG. 4 is a schematic structural diagram of a lift-off assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a movable plate according to an embodiment of the present invention;
FIG. 6 is a bottom view of a lower steel plate according to an embodiment of the present invention;
fig. 7 is an enlarged view of the structure at a in fig. 2.
Description of the reference numerals:
1. steel plate feeding; 2. a steel plate is arranged; 3. mounting holes; 4. a jacking assembly; 401. a connecting plate; 402. a fixed seat; 403. a top block; 404. a ball bearing; 5. a movable plate; 501. an active segment; 502. a fixed section; 503. adjusting a rod; 6. rotating the plate; 7. a strut; 8. a cover plate; 9. a seal assembly; 901. sealing the balloon tube; 902. a gas storage cavity; 903. and (4) inflating the bags.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, the assembly type steel structure device provided by the present invention comprises an upper steel plate 1 and a lower steel plate 2 whose ends are overlapped and assembled, and further comprises a driven assembly connected between the upper steel plate 1 and the lower steel plate 2; and the jacking component 4 drives the jacking component 4 to jack the upper steel plate 1 to generate a gap when the upper steel plate 1 and the lower steel plate 2 move relatively due to expansion with heat and contraction with cold.
Specifically, go up steel sheet 1 and lower steel sheet 2 and have a part of laminating each other, when high temperature or severe cold weather or the great condition of temperature variation appear, receive the influence of expend with heat and contract with cold effect, can produce relative movement between last steel sheet 1 and the lower steel sheet 2. Taking fig. 2 as an example, the left end of the upper steel plate 1 is fixed, the right end is a free end, the right end of the lower steel plate 2 is fixed, the left end is a free end, when the temperature rises, the whole steel plate is heated to slightly expand, the right end of the upper steel plate 1 slightly moves to the right, the left end of the lower steel plate 2 slightly moves to the left, so as to drive the driven component to generate motion change, the change drives the jacking component 4 to jack up the upper steel plate 1, so as to reduce or even completely eliminate the contact area between the upper steel plate 1 and the lower steel plate 2, a gap is formed between the upper steel plate 1 and the lower steel plate 2, the contact and even no contact between the two plates are reduced or even avoided when the two plates move relatively, and the generation of friction noise is reduced or even avoided.
Referring to fig. 2, wherein the driven assembly includes a rotating plate 6, the upper steel plate 1 and the lower steel plate 2 are both provided with a mounting hole 3, the rotating plate 6 is rotatably installed in the mounting hole 3, and the rotating plate 6 drives the movable plate 5 to move when rotating. The driven assembly is arranged in the mounting holes 3 formed in the two steel plates, the driven assembly cannot protrude out of the surfaces of the steel plates, the two steel plates drive the rotating plate 6 to deflect when moving relatively, and the rotating plate 6 can change actions to drive the movable plate 5 to move. The end of the movable plate 5 is hinged on the rotating plate 6, and the rotating plate 6 is provided with a sliding hole for the end of the movable plate 5 to slide. Because the movable plate 5 is hinged on the rotating plate 6, and the movable plate 5 is inserted on the jacking assembly 4 and can only horizontally move, the position of the connecting point of the movable plate 5 and the rotating plate 6 can be changed, and the sliding hole is arranged to prevent the movable plate 5 from being locked, so that the rotating plate 6 and the movable plate 5 can be flexibly driven.
Referring to fig. 2, the two mounting holes 3 are provided with support rods 7, the rotating plate 6 is provided with slender waist holes adapted to the support rods 7, and the rotating plate 6 is movably sleeved on the two support rods 7 through the slender waist holes. When the rotating plate 6 deflects, the distance between the two support rods 7 is increased, so that the length of the slender waist hole is larger than the distance between the two support rods 7, a sufficient moving distance is provided for the two support rods 7, and the two steel plates are prevented from being blocked from moving relatively.
When the outdoor temperature rises, the upper steel plate 1 and the support rods 7 in the upper steel plate move rightwards, the lower steel plate 2 and the support rods 7 in the lower steel plate move leftwards, so that the rotating plate 6 deflects clockwise, the rotating plate 6 moves the lower movable rod 5 leftwards, and the upper movable rod 5 moves rightwards; and when the temperature drops, the upper side supporting rod 7 moves to the left, the lower side supporting rod 7 moves to the right, the rotating plate 6 deflects anticlockwise, the lower movable rod 5 moves to the right, and the upper movable rod 5 moves to the left, so that the transmission process of the action by the driven mechanism is realized, and the temperature change is converted into the action change of the two movable rods 5 through the driven assembly.
And the jacking assemblies 4 are respectively arranged at the end part of the lower steel plate 2 and the end part of the upper steel plate 1. Taking the jacking assembly on the steel plate 2 as an example, the jacking assembly 4 comprises a top block 403 and a movable plate 5 which are matched in a wedge shape, the top block 403 supports the upper steel plate 1, and the driven assembly drives the movable plate 5 to reciprocate so that the top block 403 jacks the upper steel plate 1. The jacking assembly 4 further comprises a connecting plate 401 fixed at the end of the lower steel plate 2, a fixed seat 402 is arranged at the side of the connecting plate 401, a top block 403 is movably inserted on the upper surface of the fixed seat 402, and a movable plate 5 is horizontally inserted on the connecting plate 401 and extends to the bottom of the top block 403 to be matched with the top block 403. The upper surface of the movable plate 5 is provided with an inverted trapezoidal groove matched with the bottom end of the top block 403, and the inverted trapezoidal groove is of an isosceles trapezoid structure.
When no relative movement occurs between the upper steel plate 1 and the lower steel plate 2, the bottom end of the top block 403 sinks in the inverted trapezoidal groove, no jacking force is generated on the upper steel plate 1, when the upper steel plate 1 and the lower steel plate 2 perform relative movement, the movable plate 5 is driven by the driven assembly to move horizontally, the two inclined surfaces of the inverted trapezoidal groove can extrude the top block 403 upwards until the top surface of the movable plate 5 is completely positioned below the top block 403, and at the moment, the movable plate 5 cannot enable the top block 403 to continue to ascend even if the movable plate 5 continues to move. And the inverted trapezoidal groove enables the top block 403 to move upward regardless of whether the movable plate 5 moves forward or backward, thereby lifting the upper steel plate 1, and the lifting amplitude is the same, i.e., a gap is formed between the upper steel plate 1 and the lower steel plate 2 regardless of whether the temperature is increased or decreased.
In order to avoid overlarge gap between the two steel plates, the height difference between the bottom surface of the inverted trapezoidal groove and the opening is not more than 2mm, so that the gap between the two steel plates can only reach the size of 2mm at most, a large enough gap can be formed, and the house can be prevented from being damaged due to the fact that the steel plates are excessively bulged.
The jacking assembly 4 is connected with the lower steel plate 2 through a connecting plate 401 and can be flexibly disassembled and assembled. The top block 403 is movably inserted into the fixed seat 402 to move up and down smoothly, and when the movable plate 5 moves, the top block 403 is pressed upwards from the bottom, so as to lift the upper steel plate 1. When the upper steel plate 1 and the lower steel plate 2 move relatively due to the effect of thermal expansion and cold contraction, the driven assembly changes the motion, the movable plate 5 moves horizontally, if the movable plate 5 moves relatively due to thermal expansion, the movable plate 5 moves outwards, if the movable plate 5 moves relatively due to cold contraction, the movable plate 5 moves in the opposite direction, and when the movable plate 5 moves, the jacking block 403 moves upwards, namely the upper steel plate 1 is jacked up, a gap is formed between the upper steel plate 1 and the lower steel plate 2, and the friction noise generated by the relative movement of the upper steel plate 1 and the lower steel plate 2 is reduced or even completely eliminated.
Further, a ball 404 is mounted on the top end of the top block 403. When the top block 403 jacks up the upper steel plate 1, the top end of the top block 403 is in contact with the bottom surface of the upper steel plate 1, if the temperature continues to rise, slippage may continue to occur between the upper steel plate 1 and the lower steel plate 2, and therefore the balls 404 mounted on the top end of the top block 403 can reduce friction between the top block 403 and the upper steel plate 1, so that friction between the upper steel plate 1 and the top block 403 is reduced, and introduction of a new noise source is avoided.
The purpose of separating the two steel plates can be achieved primarily by arranging the jacking component 4 at the end part of the lower steel plate 2, but because the jacking component 4 at the end part of the lower steel plate 2 can only jack the two steel plates at one side, a contact point may still exist at the other side. Therefore, the jacking components are arranged at the end parts of the lower steel plate 2 and the upper steel plate 1, the two pairs of jacking components are driven by the driven components together, when the driven components change in motion, the jacking component 4 at the end part of the upper steel plate 1 pushes the lower steel plate 2 downwards, the two steel plates are completely separated, and the noise reduction effect is further improved.
In order to prevent sundries or rainwater from entering the mounting hole 3, a cover plate 8 for sealing the mounting hole 3 is arranged at the outward end of the mounting hole 3, and meanwhile, the natural loss of internal elements can be delayed.
After long-term use, the deformation of the steel plates may not be completely recovered to the initial state, so that the two steel plates are always staggered, the top block 403 cannot fall back into the trapezoidal groove, and a gap is always reserved between the two steel plates. Therefore, the movable plate 5 is divided into the movable section 501 and the fixed section 502, the fixed section 502 is connected to the rotating plate 6, the inverted trapezoidal groove is formed in the movable section 501, the adjusting rod 503 is inserted in the movable section 501 in a penetrating mode, the adjusting rod 503 and the movable section 501 move synchronously and the adjusting rod 503 can rotate on the movable section 501, one end of the adjusting rod 503 is inserted in the fixed section 502 in a threaded mode, the distance between the movable section 501 and the fixed section 502 can be adjusted by rotating the adjusting rod 503, the inverted trapezoidal groove is readjusted to be under the top block 403 when the top block 403 cannot fall back, the top block 403 falls into the inverted trapezoidal groove, the two steel plates are in contact again, and no gap exists all the time. The end of the adjusting rod 503 is connected with a hexagon bolt, so that the adjusting rod 503 can be conveniently rotated by a wrench, and the end of the fixing seat 402 is provided with a hole, so that the adjusting rod 503 can extend out and freely move.
In addition, referring to fig. 2 and 7, when a gap is generated between the upper steel plate 1 and the lower steel plate 2, a sealing assembly 9 is further provided on the lower steel plate 2 in order to ensure sealability therebetween. The sealing assembly 9 comprises a sealing bag tube 901 arranged on the upper surface of the lower steel plate 2, and the sealing bag tube 901 is of a closed rectangular structure, wherein three sides of the sealing bag tube are close to the edge of the lower steel plate 2. The sealing bag tube 901 surrounds the mounting hole 3 inside; the inside of lower steel sheet 2 is seted up the gas storage chamber 902 with mounting hole 3 intercommunication, and the opening part of gas storage chamber 902 is connected with an air-blowing bag 903, and air-blowing bag 903 is located the inside of mounting hole 3.
Under the suitable state of temperature, the inside atmospheric pressure of sealed bag pipe 901 is greater than external atmospheric pressure, sealed bag pipe 901 has the trend of inflation, but at this moment contact each other between last steel sheet 1 and the lower steel sheet 2, sealed bag pipe 901 is pressed down, when temperature risees, can produce the dislocation between two steel sheets, gas storage chamber 902 and air-blowing bag 903, including the gas in sealed bag pipe 901 can expand equally, sealed bag pipe 901 can enter into the gap between two steel sheets and seal it, makes during external debris and rainwater can not get into the gap, avoids it to get into indoorly from mounting hole 3. When the air temperature is reduced, a gap can be generated between the two steel plates, but the air storage cavity 902 and the air in the air blowing bag 903 can shrink, the sealing effect of the sealing bag tube 901 on the gap is poor, but because the upper steel plate 1 contracts leftwards after being cooled, the lower steel plate 2 retreats rightwards, the rotating plate 6 rotates anticlockwise, the lower half portion of the rotating plate 6 extrudes the air blowing bag 903, a large amount of air is supplemented into the sealing bag tube 901, the sealing bag tube 901 continues to keep an expansion state, and the sealing performance when the air temperature becomes low is ensured.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (3)
1. The utility model provides an assembled steel construction equipment, includes the last steel sheet and the lower steel sheet of tip stack assembly, its characterized in that still includes:
the driven assembly is connected between the upper steel plate and the lower steel plate; the driven assembly comprises a rotating plate, mounting holes are formed in the upper steel plate and the lower steel plate, two ends of the rotating plate can be rotatably mounted in one mounting hole respectively, the rotating plate drives the movable plate to move when rotating, the end part of the movable plate is hinged to the rotating plate, and a sliding hole for the end part of the movable plate to slide is formed in the rotating plate; the two mounting holes are internally provided with a support rod, the rotating plate is provided with a slender waist hole matched with the support rod, and the rotating plate is movably sleeved on the two support rods through the slender waist hole;
the jacking assembly drives the jacking assembly to jack the upper steel plate to generate a gap when the upper steel plate and the lower steel plate move relatively due to expansion caused by heat and contraction caused by cold, one end of the jacking assembly is connected to the lower steel plate, and the other end of the jacking assembly supports the upper steel plate; the jacking assembly comprises a jacking block and a movable plate which are matched in a wedge shape, the jacking block supports the upper steel plate, and the driven assembly drives the movable plate to reciprocate so that the jacking block jacks the upper steel plate; the jacking assembly further comprises a connecting plate fixed at the end part of the lower steel plate, a fixed seat is arranged on the side part of the connecting plate, the jacking block is movably inserted into the upper surface of the fixed seat, and the movable plate is horizontally inserted into the connecting plate and extends to the bottom of the jacking block to be matched with the jacking block.
2. The assembly type steel structure device of claim 1, wherein the upper surface of the movable plate is provided with an inverted trapezoidal groove matched with the bottom end of the top block, and the inverted trapezoidal groove is of an isosceles trapezoidal structure.
3. An assembled steel structural device according to claim 1, wherein a ball is mounted to the top end of the top block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593858.8A CN114790777B (en) | 2022-05-27 | 2022-05-27 | Assembled steel construction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593858.8A CN114790777B (en) | 2022-05-27 | 2022-05-27 | Assembled steel construction device |
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| CN114790777A CN114790777A (en) | 2022-07-26 |
| CN114790777B true CN114790777B (en) | 2023-02-03 |
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| CN202210593858.8A Active CN114790777B (en) | 2022-05-27 | 2022-05-27 | Assembled steel construction device |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6675539B2 (en) * | 2001-06-18 | 2004-01-13 | Construction Specialties, Inc. | Roof seismic motion-absorbing gap cover |
| WO2015120993A2 (en) * | 2014-01-10 | 2015-08-20 | Seamus Devlin | A device for spanning an expansion joint in the floor of a building |
| CN210342286U (en) * | 2019-06-07 | 2020-04-17 | 孙国勇 | Novel heat insulation board for external wall of civil and industrial buildings |
| CN211192973U (en) * | 2019-11-12 | 2020-08-07 | 天津富美不锈钢贸易有限公司 | Workstation is used in corrosion resistant plate processing cutting |
| CN215837423U (en) * | 2021-08-25 | 2022-02-18 | 重庆宗灿科技发展有限公司 | Entrance guard and intelligent consumption integrated bracelet for monitoring old people |
| CN113982120B (en) * | 2021-11-18 | 2023-05-05 | 甘肃省科工建设集团有限公司 | Integrated assembly type steel structure building and assembly method thereof |
| CN114226824B (en) * | 2021-11-19 | 2024-05-10 | 铜陵有色股份铜冠电工有限公司 | Casting blank edge milling cutter structure of continuous casting and rolling production line |
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