CN110242062B - Floor unwrapping wire hole protection device - Google Patents
Floor unwrapping wire hole protection device Download PDFInfo
- Publication number
- CN110242062B CN110242062B CN201910683762.9A CN201910683762A CN110242062B CN 110242062 B CN110242062 B CN 110242062B CN 201910683762 A CN201910683762 A CN 201910683762A CN 110242062 B CN110242062 B CN 110242062B
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- hole
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- rod
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- 238000003825 pressing Methods 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000002023 wood Substances 0.000 description 8
- 238000005457 optimization Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a floor paying-off hole protection device which comprises a cover plate, wherein a plurality of strip-shaped holes are uniformly distributed on the cover plate in a radial manner around the center of the cover plate, sliding rods are arranged in the strip-shaped holes, two ends of each sliding rod are fixedly connected to two ends of each strip-shaped hole, sliding blocks are further arranged in the strip-shaped holes, sliding holes are formed in the sliding blocks, the sliding rods penetrate through the sliding holes, clamping springs capable of providing spring force for the sliding blocks to abut against one ends of the strip-shaped holes far away from the center of the cover plate are sleeved on the sliding rods, connecting blocks are arranged below the sliding blocks, the upper ends of the connecting blocks are fixedly connected to the lower surfaces of the sliding blocks, the lower ends of the connecting blocks extend downwards and obliquely, clamping spaces are formed between the clamping blocks and the cover plate, and when the sliding blocks move towards one ends of the strip-shaped holes far away from the center of the cover plate, the floor plates are located at the edges of the paying-off holes so as to be clamped into the clamping spaces. The invention has simple structure, convenient and reliable use, stable installation and improved safety.
Description
Technical Field
The invention relates to a wire hole protection device, in particular to a floor paying-off hole protection device.
Background
When a large commercial building having an underground layer and an above-ground layer structure is constructed to be more than + -0.00 m, the measurement of each layer of each zone needs to be conducted by using pay-off holes. Therefore, the remaining pay-off hole during construction should be protected and temporarily plugged. The traditional protection of the paying-off hole is that a waste wood board which is larger than the paying-off hole is nailed with a wood block and is placed at the hole to be used as a striking mark. The wood board acts as a cover board and the wood blocks prevent the wood board from moving. The wood blocks of the striking plate are easy to break and separate from the wood plates, so that the wood plates fall to generate technical accidents, and the safety production and civilized construction are affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: how to provide a floor unwrapping wire hole protection device that convenient to use, fixed firm, the security is high.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a floor unwrapping wire hole protection device, including the apron, and be radial equipartition around its center on the apron, the bar hole is the through-hole, be provided with the slide bar along its length direction in the bar hole, the both ends of slide bar are fixed connection respectively on the both ends of bar hole along its length direction, still be provided with the slider in the bar hole, the slider can be along bar hole length direction and its sliding fit, be provided with the slide hole on the slider, the slide bar passes through slide hole and slider can be followed slide bar length direction and its sliding fit, and the pole body cover that just is located on the slide bar and be close to between the one end of apron center is equipped with can be for the slider butt keep away from the card solid spring of apron center one end for the bar hole, the below of slider is provided with the connecting block, the upper end fixed connection of connecting block is on the lower surface of slider, the connecting block lower extreme stretches out in bar hole and fixedly connected with fixture block, the one end orientation of keeping away from the apron center direction downward sloping of setting, the fixture block is located the coplanar along its length direction center line, the lower extreme to the thickness between the apron center line of bar hole along its length direction, the thickness between the bottom end to the apron center of the thickness of the connecting block is located the space is kept away from to the floor, and the space is located between the bottom end of the connecting block to the floor, the floor is located the space is located to the bottom the thickness of the bottom between the connecting block, and the space is located the bottom of the end of the floor, the space is located.
In the invention, when the device is used, the sliding blocks are firstly slid to enable the sliding blocks to move towards the center direction of the cover plate, the clamping springs are compressed, so that all clamping blocks are concentrated towards the center of the cover plate, then the cover plate is aligned with the paying-off holes and is placed on the floor slab, all clamping blocks are placed in the paying-off holes, and then each sliding block is loosened, so that the sliding blocks are pushed to one end of the strip-shaped holes away from the center of the cover plate under the action of the spring force of the clamping springs. In the process that the sliding block moves, the clamping space moves towards the edge of the paying-off hole, and because the opening of the clamping space is larger than the thickness of the floor, the edge of the paying-off hole can be clamped into the clamping space, the inner side of the clamping space is smaller than the thickness of the floor, and the edge of the paying-off hole can be clamped between the clamping block and the cover plate. The edges of the paying-off holes are clamped by the clamping blocks simultaneously, so that the cover plate can be limited, the cover plate is prevented from moving, the cover plate is fixed and stable, and the safety is improved.
As the optimization, the bar hole is concavely equipped with jack I and jack II that sets up with the central line respectively on its length direction's the both ends terminal surface, the both ends of slide bar insert respectively in jack I and jack II, be provided with the jacking device in the jack I, the jacking device is including laminating at the clamp plate of jack I hole bottom department, just be located the outside of clamp plate in jack I, be provided with the roof between clamp plate and the roof, be provided with the both ends of jacking spring and jacking spring respectively on clamp plate and roof, when the jacking spring is in natural state, the interval between one side of each being in opposite directions of clamp plate and roof is less than the hole depth of jack I, the drill way of jack I and jack II is the expansion drill way that outwards increases along its central line direction outside diameter gradually, the slide bar just be close to the pole body of inserting jack II one end around its circumference ring, the caulking groove endotheca is equipped with elastic rubber, the outside portion of elastic rubber stretches out in the caulking groove notch, set up on the pore wall of jack II with its same central line set up annular draw-in groove, when just being located the one end butt of elastic rubber place on the jack hole bottom, the jack II can be located the jack hole bottom the jack, the jack is located the jack I and the end is located the jack hole is located in the jack II, the round neck hole is located in the jack I, the round neck is located to the jack hole is inserted to the top is located to the jack I, the top is located in the jack hole, the top is located in the jack I and the top has the round one side of the round bar has the round hole.
When the sliding rod is installed, the sliding rod is firstly installed at one end of the counter bore, one end of the counter bore on the sliding rod is inserted into the jack I, and meanwhile, the counter bore is abutted to the top plate, the pressing spring is compressed by pressing the counter bore, so that the circular arc end on the sliding rod enters into the strip-shaped hole, then the counter bore is inserted into the jack II, after the sliding rod is loosened, the pressing spring starts to rebound, the circular arc end of the sliding rod is finally jacked onto the bottom of the jack II, meanwhile, the outer side wall of the elastic rubber clamping ring is clamped into the clamping groove, and the movement of the sliding rod is correspondingly limited. Therefore, the sliding rod can be easily installed, otherwise, when the sliding rod is removed, the sliding rod extrudes the top plate, after the top pressure spring is compressed, the sliding rod is taken out from the jack II, and the expansion orifices of the jack I and the jack II are convenient for the insertion of the sliding rod.
As the optimization, the storage tank has been seted up to the upper surface of slider along slide bar length direction, the tank bottom of storage tank just is close to the one end in apron center is along vertical direction concave to be equipped with the guide hole, and the perforation that sets up with its centre line has been seted up to the hole bottom of guide hole, the centre line of perforation with the centre line of slide hole is located the coplanar, and the diameter of guide hole is greater than the diameter of perforation, is provided with the guide bar with its centre line direction in the guide hole, and the lower extreme fixedly connected with of guide bar is coaxial rubber stick that sets up, and the diameter of rubber stick is less than the perforation diameter, and the sum of guide bar and rubber stick's length is greater than the sum of guide hole and perforated hole degree of depth, and the backing plate is gone up along its circumference direction ring in order to be equipped with the push ring with the slide fit along guide hole centre line direction on the pole body of guide bar and be located between push ring and the guide hole bottom, and the cover is equipped with the extrusion spring, and when the extrusion spring is in the natural state, the upper end of guide bar stretches out outside the guide hole and the lower extreme is located the perforation, still is provided with the guide bar in the storage tank, and one end through the articulated shaft to be located the guide bar and can rotate the guide bar to the draw down on the slide bar to the slide bar in order to keep away from the spacer bar to the axial position in order to prevent the guide bar from rotating the axial setting up the draw down the guide bar to the holding the selector bar.
The sliding block is positioned in the bar-shaped hole, a deflector rod is arranged for conveniently sliding the sliding block, and when the sliding block slides, one end of the deflector rod, which is far away from the hinge shaft, is rotated out of the accommodating groove, so that an operator can conveniently hold the sliding block for operation. After the clamping block and the cover plate clamp the edge of the paying-off hole, the deflector rod is rotated to the accommodating groove, so that the deflector rod extrudes the upper end of the guide rod, the lower end of the rubber rod stretches out of the perforation after the guide rod is extruded, the rubber rod stretches out of the perforation and is abutted on the slide rod, the extrusion force of the rubber rod to the slide rod in the deformation process is larger along with continuous extrusion of the guide rod, and after the deflector rod rotates to the accommodating groove, the deflector rod is limited through the deflector rod limiting device, so that the rubber rod continuously extrudes the slide rod, and the slide block is firmly fixed on the slide rod.
As an optimization, the deflector rod limiting device comprises a vertical shaft fixedly connected to the upper surface of the sliding block, the vertical shaft is located on one side of the accommodating groove along the length direction of the accommodating groove, the central line of the vertical shaft is perpendicular to the plane where the cover plate is located, a limiting rod is arranged on the vertical shaft, one end of the limiting rod is sleeved on the vertical shaft so as to rotate around the vertical shaft, a limiting cap is connected to the shaft body of the vertical shaft and located above the limiting rod in a threaded manner so as to limit the upward movement of the limiting rod along the central line direction of the vertical shaft, and when the deflector rod is located in the accommodating groove, the limiting rod can rotate to the position above the deflector rod so as to limit the deflector rod rotating out of the accommodating groove.
As optimization, the upper end hole of the guide hole extends along the length direction of the guide hole to form a guide groove at the other end of the guide hole, and a guide block which extends into the guide groove and can be in sliding fit with the guide groove along the length direction of the guide groove is formed on the rod body of the guide rod in a protruding mode at one end, close to the rubber rod.
As optimization, one end of the guide rod, which is far away from the rubber rod, is convexly provided with a pressing sheet, the central line direction of the guide rod is perpendicular to the plane where the pressing sheet is located, and the projection of the guide rod along the central line direction of the guide rod is positioned in the projection of the pressing sheet along the central line direction of the guide rod.
In summary, the beneficial effects of the invention are as follows: the invention has simple structure, convenient and reliable use, stable installation and improved safety.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged schematic view at a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a protection device for a paying-off hole of a floor slab in this embodiment includes a cover plate 1, a plurality of bar holes 2 are uniformly distributed on the cover plate 1 in a radial shape around the center of the cover plate, the bar holes 2 are through holes, a sliding bar 3 is arranged in the bar holes 2 along the length direction of the bar holes, two ends of the sliding bar 3 are respectively and fixedly connected with two ends of the bar holes 2 along the length direction of the bar holes, a sliding block 4 is also arranged in the bar holes 2, the sliding block 4 can be in sliding fit with the bar holes along the length direction of the bar holes 2, a sliding hole is arranged on the sliding bar 3, the sliding bar 4 can be in sliding fit with the sliding bar 3 along the length direction of the sliding bar 3, a clamping spring 5 which can provide spring force for the sliding block 4 to be abutted against one end of the bar holes 2 away from the center of the cover plate 1 is sleeved on a bar body between the sliding bar 4 and one end close to the center of the cover plate 2, the below of slider 4 is provided with connecting block 6, connecting block 6's upper end fixed connection is on the lower surface of slider 4, connecting block 6 lower extreme stretches out in bar hole 2 and fixedly connected with fixture block 7, the one end that connecting block 6 was kept away from to fixture block 7 is towards keeping away from apron 1 central direction downward sloping extension setting, fixture block 7 is located the coplanar along its ascending central line of length direction and bar hole 2 along its ascending central line of length direction, the interval between the lower extreme of connecting block 6 to apron 1 lower surface is less than the thickness of floor, the interval between the one end that connecting block 6 was kept away from to the apron 1 lower surface of fixture block 7 is greater than the thickness of floor, be formed with the card solid space between fixture block 7 and the apron 1, when slider 4 moves towards bar hole 2 and the one end that keeps away from apron 1 center, the edge that floor just is located the unwrapping wire hole is in order to can block into the card solid space.
In this embodiment, the upper surface of the sliding block 4 is provided with a containing groove along the length direction of the sliding rod 3, one end of the containing groove near the center of the cover plate 1 is concavely provided with a guide hole 8 along the vertical direction, the hole bottom of the guide hole 8 is provided with a perforation 9 arranged with the center line of the perforation 9, the center line of the perforation 9 and the center line of the sliding hole are positioned on the same plane, the diameter of the guide hole 8 is larger than the diameter of the perforation 9, the guide hole 8 is internally provided with a guide rod 10 along the center line direction, the lower end of the guide rod 10 is fixedly connected with a coaxially arranged rubber rod 11, the diameter of the rubber rod 11 is smaller than the diameter of the perforation 9, the sum of the lengths of the guide rod 10 and the rubber rod 11 is larger than the sum of the hole depths of the guide hole 8 and the perforation 9, the rod body of the guide rod 10 is annularly provided with a baffle ring 12 along the circumferential direction thereof so as to be capable of sliding fit with the guide hole 8 along the center line direction of the guide hole 8, the upper end of the guide rod 10 extends out of the guide hole 8 and the lower end of the rubber rod 11 is positioned in the perforation 9 when the extrusion spring 13 is in a natural state, a deflector rod 14 is further arranged in the accommodating groove, one end of the deflector rod 14 is hinged to the accommodating groove through a hinge and is positioned at one end far away from the guide hole 8, the deflector rod 14 can rotate to the accommodating groove around the hinge, when the deflector rod 14 rotates to the accommodating groove around the hinge, the deflector rod 14 rod body can extrude the upper end of the guide rod 10 to enable the rubber rod 11 to be pressed on the sliding rod 3, and a deflector rod limiting device is arranged on the upper surface of the sliding block 4 to limit the deflector rod 14 when the deflector rod 14 is placed in the accommodating groove so as to prevent the deflector rod 14 from rotating out of the accommodating groove.
In this specific embodiment, the driving lever limiting device includes a vertical shaft fixedly connected to the upper surface of the sliding block 4, the vertical shaft is located at one side of the accommodating groove along the length direction of the accommodating groove, the central line of the vertical shaft is perpendicular to the plane where the cover plate 1 is located, a limiting lever is arranged on the vertical shaft, one end of the limiting lever is sleeved on the vertical shaft so as to rotate around the vertical shaft, a limiting cap is screwed on the shaft body of the vertical shaft and located above the limiting lever so as to limit the upward movement of the limiting lever along the central line direction of the vertical shaft, and when the driving lever 14 is located in the accommodating groove, the limiting lever can rotate above the driving lever 14 so as to limit the rotation of the driving lever 14 out of the accommodating groove.
In this embodiment, the hole of the upper end of the guide hole 8 extends along the length direction of the guide hole 8 to form a guide slot at the other end of the guide hole 8, and a guide block extending into the guide slot and slidably engaged with the guide slot along the length direction of the guide slot is formed on the rod body of the guide rod 10 and near to one end of the rubber rod 11.
In this embodiment, a pressing piece 15 is formed on a protrusion at one end of the guide rod 10 away from the rubber rod 11, the central line direction of the guide rod 10 is perpendicular to the plane on which the pressing piece 15 is located, and the projection of the guide rod 10 along the central line direction thereof is located in the projection of the pressing piece 15 along the central line direction of the guide rod 10.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a floor unwrapping wire hole protection device, includes apron, its characterized in that: a plurality of strip-shaped holes are radially and uniformly distributed on the cover plate around the center of the cover plate, the strip-shaped holes are through holes, sliding rods are arranged in the strip-shaped holes along the length direction of the strip-shaped holes, two ends of each sliding rod are respectively and fixedly connected to two ends of the strip-shaped holes along the length direction of the strip-shaped holes, sliding blocks are also arranged in the strip-shaped holes and can be in sliding fit with the sliding rods along the length direction of the strip-shaped holes, sliding holes are arranged on the sliding blocks, the sliding rods penetrate through the sliding holes and can be in sliding fit with the sliding blocks along the length direction of the sliding rods, a clamping spring which can provide spring force for the sliding blocks to be abutted against one end of the strip-shaped holes away from the center of the cover plate is sleeved on the rod body between the sliding rods and one end of the strip-shaped holes, the connecting blocks are arranged below the sliding blocks, the upper end of the connecting block is fixedly connected to the lower surface of the sliding block, the lower end of the connecting block extends out of the strip-shaped hole and is fixedly connected with a clamping block, one end of the clamping block, which is far away from the connecting block, extends downwards in a slope manner towards the direction away from the center of the cover plate, the central line of the clamping block in the length direction of the clamping block is located on the same plane with the central line of the strip-shaped hole in the length direction of the clamping block, the distance between the lower end of the connecting block and the lower surface of the cover plate is smaller than the thickness of a floor slab, the distance between one end of the clamping block, which is far away from the connecting block, and the lower surface of the cover plate is larger than the thickness of the floor slab, a clamping space is formed between the clamping block and the cover plate, and when the sliding block moves towards the strip-shaped hole and moves away from one end of the center of the cover plate, the floor slab is located at the edge of the paying-off hole so as to be clamped into the clamping space;
the strip-shaped hole is respectively concavely provided with a jack I and a jack II which are arranged with the same center line along the end surfaces of the two ends of the length direction of the strip-shaped hole, two ends of the sliding rod are respectively inserted into the jack I and the jack II, a jacking device is arranged in the jack I, the jacking device comprises a pressing plate which is attached to the bottom of the jack I, a top plate is further arranged on the outer side of the pressing plate in the jack I, a jacking spring is arranged between the pressing plate and the top plate, two ends of the jacking spring are respectively fixed on the pressing plate and the top plate, when the jacking spring is in a natural state, the distance between the opposite sides of the pressing plate and the top plate is smaller than the depth of the jack I, the orifices of the jack I and the jack II are expansion orifices with gradually increased outer diameters along the direction of the center line, a circle of caulking groove is formed in the rod body which is close to one end of the jack II, elastic rubber is sleeved in the caulking groove, the outer side of the caulking groove stretches out of the caulking groove, an annular clamping groove which is arranged with the same as the elastic rubber is arranged on the wall of the hole II, when the end of the elastic rubber is abutted against the bottom of the hole II, the end of the jack is abutted against the bottom of the jack II, the end of the elastic clamping ring is abutted against the end of the elastic clamping ring, and the end of the elastic clamping ring is abutted to one side of the end of the jack through the jack I, and the end of the elastic clamping ring is abutted to one side of the end of the elastic clamping ring, and the end is abutted to the end of the elastic clamping ring through the end hole;
the upper surface of slider is followed slide bar length direction has seted up the storage tank, and the tank bottom of storage tank just is close to the one end at apron center is along vertical direction concave to be equipped with the guide hole, and the perforation that sets up with the centre line in the hole bottom of guide hole has been seted up, the perforation centre line with the centre line of slide hole is located the coplanar, and the diameter of guide hole is greater than the diameter of perforation, is provided with the guide bar with the centre line direction in the guide hole, and the lower extreme fixedly connected with of guide bar is coaxial rubber stick that sets up, and the diameter of rubber stick is less than the perforation diameter, and the sum of guide bar and rubber stick's length is greater than the sum of guide hole and perforation hole degree of depth, and the backing ring is equipped with along its circumference direction ring on the pole body of guide bar in order to follow guide hole centre line direction and guide hole sliding fit, and be located the cover between backing ring and the guide hole bottom and be equipped with the extrusion spring, when extrusion spring is in the natural state, the upper end of guide bar stretches out outside the guide hole and the lower extreme of rubber stick is located the perforation, still is provided with the driving lever in the storage tank, and one end of guide bar is through the articulated shaft connection to be located the guide bar and can rotate the guide bar and can the guide bar to the pivot and place the guide bar on the slide bar to the spacer bar when the face of the slide bar is rotated to the side of the slide bar and is kept away from the axial position to the guide bar to the axial position and can rotate the guide bar to the guide bar.
2. A floor paying-off hole protecting device according to claim 1, wherein: the driving lever limiting device comprises a vertical shaft fixedly connected to the upper surface of the sliding block, the vertical shaft is located on one side of the accommodating groove along the length direction of the accommodating groove, the central line of the vertical shaft is perpendicular to the plane where the cover plate is located, a limiting rod is arranged on the vertical shaft, one end of the limiting rod is sleeved on the vertical shaft so as to rotate around the vertical shaft, a limiting cap is connected to the shaft body of the vertical shaft and located above the limiting rod in a threaded manner so as to limit the upward movement of the limiting rod along the central line direction of the vertical shaft, and when the driving lever is located in the accommodating groove, the limiting rod can rotate to the position above the driving lever so as to limit the driving lever to rotate out of the accommodating groove.
3. A floor paying-off hole protecting device according to claim 1, wherein: the upper end hole of the guide hole extends along the length direction of the guide hole to form a guide groove at the other end of the guide hole, and a guide block which extends into the guide groove and can be in sliding fit with the guide groove along the length direction of the guide groove is formed on the rod body of the guide rod in a protruding mode at one end, close to the rubber rod.
4. A floor paying-off hole protecting device according to claim 1, wherein: the guide rod is far away from one end of the rubber rod and protrudes to form a pressing sheet, the central line direction of the guide rod is perpendicular to the plane where the pressing sheet is located, and the projection of the guide rod along the central line direction of the guide rod is located in the projection of the pressing sheet along the central line direction of the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683762.9A CN110242062B (en) | 2019-07-26 | 2019-07-26 | Floor unwrapping wire hole protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683762.9A CN110242062B (en) | 2019-07-26 | 2019-07-26 | Floor unwrapping wire hole protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242062A CN110242062A (en) | 2019-09-17 |
| CN110242062B true CN110242062B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910683762.9A Active CN110242062B (en) | 2019-07-26 | 2019-07-26 | Floor unwrapping wire hole protection device |
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| CN (1) | CN110242062B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456475B (en) * | 2020-04-26 | 2022-05-03 | 中冶建工集团有限公司 | Safety protection construction method for horizontal opening of building floor plate |
| CN114182973A (en) * | 2021-12-16 | 2022-03-15 | 刘红霞 | Safety protection plate for wire releasing hole of constructional engineering |
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| CN207761305U (en) * | 2018-01-16 | 2018-08-24 | 中冶建工集团有限公司 | Connecting rod inserting lock device |
| CN208844953U (en) * | 2018-09-25 | 2019-05-10 | 湖南省第四工程有限公司 | A kind of safety device for reserved opening of constructing |
| CN210738116U (en) * | 2019-07-26 | 2020-06-12 | 中冶建工集团有限公司 | Floor pay-off hole protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242062A (en) | 2019-09-17 |
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