CN215717455U - Safety covering device for reserved holes of floor slab - Google Patents
Safety covering device for reserved holes of floor slab Download PDFInfo
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- CN215717455U CN215717455U CN202121434249.5U CN202121434249U CN215717455U CN 215717455 U CN215717455 U CN 215717455U CN 202121434249 U CN202121434249 U CN 202121434249U CN 215717455 U CN215717455 U CN 215717455U
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- telescopic rod
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Abstract
The application relates to the technical field of building safety construction, and particularly discloses a safety covering device for a reserved hole of a floor slab, which comprises two square frames which are oppositely arranged up and down, wherein a fixing component is arranged on the square frame positioned on the lower part, and a protection plate is arranged on the square frame positioned on the upper part; the square frame comprises four telescopic rod mechanisms which are sequentially connected end to end, each telescopic rod mechanism comprises a telescopic rod and a telescopic pipe, each telescopic rod comprises a sleeved section and a non-sleeved section, the sleeved section of each telescopic rod is sleeved with the corresponding telescopic pipe, and a positioning assembly is arranged between the telescopic pipes and the sleeved sections of the telescopic rods; the guard plate includes four sub-guard plates that are the square setting, and sub-guard plate includes two adjacent connection limits and two adjacent non-connection limits, and sub-guard plate's connection limit fixed connection is in telescopic link mechanism's flexible pipe or the non-section of cup jointing of telescopic link, and four sub-guard plates have overlap region. This application is applicable to the not unidimensional floor and reserves the safety protection in hole.
Description
Technical Field
The application relates to a construction safety technical field, more specifically, it relates to a safety coverage device in hole is reserved to floor.
Background
In the concrete structure construction process, in order to facilitate elevation guiding measurement or arrangement of pump pipes and the like, holes are reserved on a floor slab usually, and the reserved holes are plugged after the concrete main body structure construction is completed.
However, the reserved holes of the floor slab are the most common potential safety hazards in the construction field, and operators can easily fall off. In order to improve the construction safety, the construction site usually adopts the waste template to cover the reserved holes of the floor slab. Although the covering can protect the reserved holes of the floor slab, the occurrence of construction safety accidents is effectively reduced; but because the sizes of the reserved holes of the floor slabs are different, the size of the covering cannot be completely matched with that of the reserved holes of the floor slabs; if the size of the covering is too large, the overlarge part of the covering covers the floor, and the construction aiming at the floor is influenced; if the size of the covering is too small, the covering function cannot be exerted.
Disclosure of Invention
In order to be applicable to the not unidimensional floor and reserve the safety protection in hole, this application provides a hole's safety cover device is reserved to floor, adopts following technical scheme:
a safety covering device for reserved holes of a floor slab comprises two square frames which are oppositely arranged up and down, wherein the two square frames are rotatably connected, the square frame positioned below is provided with a fixing component for fixedly connecting the square frame with the floor slab, and the square frame positioned above is provided with a protection plate;
the square frame comprises four telescopic rod mechanisms which are sequentially connected end to end, each telescopic rod mechanism comprises a telescopic rod and a telescopic pipe, each telescopic rod comprises a sleeved section and a non-sleeved section, the sleeved section of each telescopic rod is sleeved with the corresponding telescopic pipe, and a positioning assembly for fixing the relative positions of the telescopic pipe and the telescopic pipe is arranged between the telescopic pipe and the sleeved section of the telescopic rod;
the guard plate includes four sub-guard plates that are the square setting, sub-guard plate includes the connection limit of two adjacent settings and the non-connection limit of two adjacent settings, the connection limit fixed connection of sub-guard plate is on telescopic link mechanism's the flexible pipe or the non-section of cup jointing of telescopic link, and four sub-guard plate has overlap region.
By adopting the technical scheme, firstly, the size of the square frame is synchronously adjusted according to the reserved holes of the floor slab, and after the size of the square frame is adjusted, the telescopic pipes and the sleeved sections of the telescopic rods realize the fixation of the relative positions under the action of the positioning assembly, so that the size fixation of the square frame is realized; in addition, in the process of adjusting the size of the square frame, the relative positions of the four sub-protection plates are changed along with the size change of the square frame, and the four sub-protection plates are provided with overlapping areas, so that the safety protection of reserved holes of floors with different sizes is realized. In addition, when the construction operation such as elevation guiding measurement or pump pipe arrangement is carried out, the square frame positioned below is rotated to expose the reserved holes of the floor slab, and then the construction operation such as elevation guiding measurement or pump pipe arrangement can be carried out.
Preferably, four sub-shield plates are provided with a connection assembly at an overlapping region.
Through adopting above-mentioned technical scheme, four sub-guard plates link together, improve the structural strength of the guard plate of constituteing by four sub-guard plates to improve protection security.
Preferably, the connecting assembly comprises connecting bolts and connecting nuts, and the connecting bolts penetrate through the four sub-protection plates and then are in threaded connection with the connecting nuts.
Through adopting above-mentioned technical scheme, connecting bolt runs through four behind the sub-guard plate with coupling nut threaded connection to link together four sub-guard plates.
Preferably, four rectangular shape hole that is located its diagonal is seted up respectively to the sub-guard plate, and four rectangular shape holes all are located square frame's butt joint line, four the rectangular shape hole coincides at square frame's central point department, connecting bolt passes behind four rectangular shape holes and connecting nut threaded connection at square frame's central point department.
By adopting the technical scheme, regardless of the size of the square frame, the elongated holes of the four sub-protection plates are always superposed at the central point of the square frame, and the connecting bolt penetrates through the four elongated holes at the central point of the square frame and then is in threaded connection with the connecting nut, so that the four sub-protection plates can be conveniently connected; and, when adjusting square frame size, can need not to take off the coupling assembling, only need to loosen the coupling nut can.
Preferably, the flexible pipe is provided with the mounting hole that communicates with the section of can cup jointing of telescopic link, locating component is including installing fixed column and the activity post in the mounting hole, the activity recess has been seted up to the activity post, the one end of activity post is pegged graft in the activity recess, the other end and flexible pipe fixed connection, the outer peripheral face of movable rod has set firmly fixed outer bulge loop, and the activity post is located between the section of can cup jointing of fixed outer bulge loop and telescopic link, be provided with the compression elastic component between fixed outer bulge loop and the activity post, the activity post has set firmly the joint bump in the one end that is close to the telescopic link, a plurality of joint recesses of arranging along its length direction are seted up to the section of can cup jointing of telescopic link, and joint bump joint is in the joint recess.
By adopting the technical scheme, when the length of the telescopic rod mechanism is adjusted, opposite acting forces are applied to the telescopic pipe and the telescopic rod along the length direction of the telescopic rod mechanism, the clamping convex points generate a tendency of being separated from the clamping groove, meanwhile, the movable column has a tendency of moving towards the direction of the sleeve-joint section far away from the telescopic rod until the movable column is separated from the clamping groove, and the telescopic rod and the telescopic pipe lose the limit of the positioning assembly, so that the relative position of the telescopic rod and the telescopic pipe is adjusted; after the adjustment is completed, the movable column moves towards the direction of the sleeved section of the telescopic rod under the action of the compression elastic piece until the clamping convex point is clamped in the clamping groove, so that the relative positions of the telescopic rod and the telescopic pipe are fixed.
Preferably, the clamping salient points are arranged in a minor arc shape.
Through adopting above-mentioned technical scheme, the joint recess is conveniently deviate from to the joint bump.
Preferably, the telescopic pipe is provided with a limiting inner convex ring on the wall of the mounting hole, the peripheral surface of the movable column is integrally formed with a limiting outer convex ring, and the limiting outer convex ring is positioned on one side of the limiting inner convex ring away from the telescopic rod.
Through adopting above-mentioned technical scheme, prevent that the movable column from deviating from the mounting hole from the inside of flexible pipe.
Preferably, the compression elastic member is provided as a compression spring.
Through adopting above-mentioned technical scheme, simple structure, simple to operate.
Preferably, the compression spring is sleeved on the fixing column.
Through adopting above-mentioned technical scheme, play limit position to the installation of pressure spring, prevent that the pressure spring from taking place bending deformation.
In summary, the present application has the following beneficial effects:
firstly, synchronously adjusting the size of a square frame according to a reserved hole of a floor slab, and after the size of the square frame is adjusted, fixing the relative positions of a telescopic pipe and a telescopic rod at a sleeved section under the action of a positioning assembly so as to fix the size of the square frame; in addition, in the process of adjusting the size of the square frame, the relative positions of the four sub-protection plates are changed along with the size change of the square frame, and the four sub-protection plates are provided with overlapping areas, so that the safety protection of reserved holes of floors with different sizes is realized.
Second, this application links together four sub-guard plates through addding coupling assembling, improves the structural strength of the guard plate of constituteing by four sub-guard plates to improve protection security.
Drawings
Fig. 1 is a bottom view of a safety covering device for a reserved hole of a floor slab according to an embodiment of the present application in an operating state;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is an enlarged view of section C of FIG. 2;
fig. 5 is an isometric view of a safety cover device for a floor slab preformed hole in an open state according to an embodiment of the present application.
In the figure, 1, a telescopic rod mechanism; 11. a telescopic rod; 111. a socketable section; 1111. clamping the groove; 112. a non-sleeved section; 12. a telescopic pipe; 121. mounting holes; 122. a limiting inner convex ring; 13. a positioning assembly; 131. fixing a column; 1311. fixing the outer convex ring; 132. a movable post; 1321. a movable groove; 1322. clamping the salient points; 1323. a limiting convex ring; 133. a pressure spring; 2. a hinge; 3. a fixing assembly; 31. fixing angle steel; 32. fixing the bolt; 4. a sub-protection plate; 41. a connecting edge; 42. a non-connecting edge; 43. a strip-shaped hole; 5. a connecting assembly; 51. a connecting bolt; 52. and connecting a nut.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses safety covering device in hole is reserved to floor, refer to fig. 1-5, including two square frames that relative up-down set up, every square frame includes four telescopic link mechanism 1 that meet in order end to end, and two adjacent telescopic link mechanism 1 weld perpendicularly.
The telescopic rod mechanism 1 comprises a telescopic pipe 12, a telescopic rod 11 and a positioning component 13.
The telescopic rod 11 comprises a sleeved section 111 and a non-sleeved section 112, the sections of the sleeved section 111 and the non-sleeved section 112 along the length direction of the telescopic rod 11 are both arranged in a square shape, the section area of the non-sleeved section 112 is larger than that of the sleeved section 111, and the center lines of the sleeved section 111 and the non-sleeved section 112 are overlapped.
The telescopic section 111 of the telescopic rod 11 is sleeved with the telescopic tube 12, the section of the telescopic tube 12 along the length direction is in a square ring shape, the section area surrounded by the outer ring of the telescopic tube 12 is equal to the section area of the non-sleeved section 112 of the telescopic rod 11, and the length of the telescopic tube 12 is equal to the length of the non-sleeved section 112 of the telescopic rod 11.
The pipe wall of the extension pipe 12 is provided with a mounting hole 121 communicated with the telescopic section 111 of the telescopic rod 11, the positioning component 13 comprises a fixed column 131 and a movable column 132 which are mounted in the mounting hole 121, the end surface of the movable column 132 far away from the telescopic rod 11 is provided with a movable groove 1321, one end of the fixed column 131 close to the telescopic rod 11 is inserted in the movable groove 1321, the peripheral surface of one end of the fixed column 131 far away from the telescopic rod 11 is integrally formed with a fixed convex ring 1311, and the fixed convex ring 1311 is fixedly connected with the extension pipe 12; a compression spring 133 is arranged between one end of the movable column 132 far away from the telescopic rod 11 and the fixed outer convex ring 1311, and the compression spring 133 is sleeved on the fixed column 131. The movable column 132 is integrally formed with a clamping protrusion 1322 in a minor arc shape at one end close to the telescopic rod 11, the telescopic section 111 of the telescopic rod 11 is provided with a plurality of clamping grooves 1111 arranged along the length direction of the telescopic rod, and the clamping protrusion 1322 is clamped in one clamping groove 1111, so as to fix the relative position between the telescopic tube 12 and the telescopic section 111 of the telescopic rod 11.
In order to prevent the movable column 132 from being pulled out from the interior of the telescopic tube 12, the telescopic tube 12 is integrally formed with a limiting inner collar 122 on the wall of the installation hole 121, a limiting outer collar 1323 is integrally formed on the outer peripheral surface of the movable column 132, and the limiting outer collar 1323 is located on the side of the limiting inner collar 122 away from the telescopic rod 11.
A hinge 2 for connecting the two square frames together in a rotating way is arranged between the two square frames.
The square frame located below is provided with a fixing component 3 for fixedly connecting the fixing component to a floor, the fixing component 3 comprises a fixing angle steel 31 and a fixing bolt 32, one side edge of the fixing angle steel 31 is welded on a non-sleeved section 112 of the telescopic pipe 12 or the telescopic rod 11 of the telescopic rod mechanism 1, and the other side edge of the fixing angle steel 31 is provided with a fixing hole for the fixing bolt 32 to pass through.
The square frame that is located the top is provided with the guard plate, and the guard plate includes four sub-guard plates 4 that are the square setting, and the length of a side of sub-guard plate 4 is greater than the length of flexible pipe 12, and sub-guard plate 4 includes the non-connection limit 42 of the connection limit 41 and two adjacent settings of two adjacent settings that set up, and the connection limit 41 welding of sub-guard plate 4 is on telescopic link mechanism 1's flexible pipe 12 or telescopic link 11's non-cup joints section 112.
The four sub-shield plates 4 have an overlapping area, and the four sub-shield plates 4 are provided with the connection assembly 5 at the overlapping area. The connecting assembly 5 comprises a connecting bolt 51 and a connecting nut 52; the four sub-protection plates 4 are respectively provided with the strip-shaped holes 43 on the diagonal lines, the four strip-shaped holes 43 are all located on the butt joint line of the square frame, the four strip-shaped holes 43 coincide at the central point of the square frame, and the connecting bolt 51 penetrates through the four strip-shaped holes 43 at the central point of the square frame and then is in threaded connection with the connecting nut 52.
The implementation principle of the embodiment is as follows: firstly, synchronously adjusting the size of a square frame according to a reserved hole of a floor slab, and after the size of the square frame is adjusted, fixing the relative positions of a telescopic pipe 12 and a telescopic section 111 of a telescopic rod 11 under the action of a positioning component 13 so as to fix the size of the square frame; in addition, in the process of adjusting the size of the square frame, the relative positions of the four sub-protection plates 4 change along with the size change of the square frame, the elongated holes 43 of the four sub-protection plates 4 are overlapped at the central point of the square frame all the time, and the connecting bolt 51 penetrates through the four elongated holes 43 at the central point of the square frame and then is in threaded connection with the connecting nut 52, so that the four self-protection plates are connected into a whole; then, the positive direction frame positioned below is connected to the reserved hole of the floor slab through the fixing component 3.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The safety covering device for the reserved holes of the floor is characterized by comprising two square frames which are oppositely arranged up and down, wherein the two square frames are rotatably connected, the square frame positioned below is provided with a fixing component (3) for fixedly connecting the square frame with the floor, and the square frame positioned above is provided with a protection plate;
the square frame comprises four telescopic rod mechanisms (1) which are sequentially connected end to end, each telescopic rod mechanism (1) comprises a telescopic rod (11) and a telescopic pipe (12), each telescopic rod (11) comprises a sleeved section (111) and a non-sleeved section (112), the sleeved section (111) of each telescopic rod (11) is sleeved with the telescopic pipe (12), and a positioning assembly (13) for fixing the relative positions of the telescopic pipe (12) and the telescopic section (111) of each telescopic rod (11) is arranged between the telescopic pipe (12) and the telescopic section (111) of each telescopic rod;
the protection plate includes four sub-protection plates (4) that are the square setting, sub-protection plate (4) include connection limit (41) and two non-connection limit (42) (41) of adjacent setting of two adjacent settings, the connection limit (41) fixed connection of sub-protection plate (4) is on telescopic link mechanism (1)'s flexible pipe (12) or the non-socket section (112) of telescopic link (11), and four sub-protection plate (4) have overlap region.
2. A safety covering device for pre-formed openings in floors as claimed in claim 1, wherein four sub-panels (4) are provided with connecting members (5) in overlapping areas.
3. The safety covering device for the reserved hole of the floor slab as claimed in claim 2, wherein the connecting assembly (5) comprises a connecting bolt (51) and a connecting nut (52), and the connecting bolt (51) penetrates through the four sub-protection plates (4) and then is in threaded connection with the connecting nut (52).
4. The safety coverage device of a reserved hole of a floor slab as claimed in claim 3, wherein four sub-protection plates (4) are respectively provided with a long-strip-shaped hole (43) located on a diagonal line of the sub-protection plates, the four long-strip-shaped holes (43) are all located on a butt joint line of the square frame, the four long-strip-shaped holes (43) are overlapped at the central point of the square frame, and the connecting bolt (51) passes through the four long-strip-shaped holes (43) at the central point of the square frame and then is in threaded connection with the connecting nut (52).
5. The safety covering device for the reserved hole of the floor slab as claimed in claim 1, wherein the telescopic pipe (12) is provided with a mounting hole (121) communicated with the telescopic section (111) of the telescopic rod (11), the positioning assembly (13) comprises a fixed column (131) and a movable column (132) which are mounted in the mounting hole (121), the movable column (132) is provided with a movable groove (1321), one end of the movable column (132) is inserted into the movable groove (1321), the other end of the movable column (132) is fixedly connected with the telescopic pipe (12), a fixed outer convex ring (1311) is fixedly arranged on the outer circumferential surface of the movable rod, the movable column (132) is positioned between the fixed outer convex ring (1311) and the telescopic section (111) of the telescopic rod (11), a compression elastic piece is arranged between the fixed outer convex ring (1311) and the movable column (132), and a clamping convex point (1322) is fixedly arranged at one end of the movable column (132) close to the telescopic rod (11), the telescopic section (111) of the telescopic rod (11) is provided with a plurality of clamping grooves (1111) distributed along the length direction of the telescopic rod, and the clamping salient points (1322) are clamped in the clamping grooves (1111).
6. A safety cover device for pre-formed holes in floors as claimed in claim 5 wherein said snap protrusions (1322) are in the shape of minor arcs.
7. The safety covering device for the reserved hole of the floor slab as claimed in claim 5, wherein the telescopic pipe (12) is provided with a limiting inner convex ring (122) on the wall of the mounting hole (121), a limiting outer convex ring (1323) is integrally formed on the outer peripheral surface of the movable column (132), and the limiting outer convex ring (1323) is positioned on one side of the limiting inner convex ring (122) far away from the telescopic rod (11).
8. A safety cover device for a pre-opened hole in a floor slab as claimed in claim 5, wherein said compression spring member is provided as a compression spring (133).
9. The safety cover device for the preformed hole of the floor slab as claimed in claim 8, wherein the compression spring (133) is sleeved on the fixed column (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434249.5U CN215717455U (en) | 2021-06-25 | 2021-06-25 | Safety covering device for reserved holes of floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434249.5U CN215717455U (en) | 2021-06-25 | 2021-06-25 | Safety covering device for reserved holes of floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215717455U true CN215717455U (en) | 2022-02-01 |
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ID=80045220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121434249.5U Active CN215717455U (en) | 2021-06-25 | 2021-06-25 | Safety covering device for reserved holes of floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215717455U (en) |
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2021
- 2021-06-25 CN CN202121434249.5U patent/CN215717455U/en active Active
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