CN218758922U - Adjustable fixing device for protective railing free of punching - Google Patents
Adjustable fixing device for protective railing free of punching Download PDFInfo
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- CN218758922U CN218758922U CN202223231449.8U CN202223231449U CN218758922U CN 218758922 U CN218758922 U CN 218758922U CN 202223231449 U CN202223231449 U CN 202223231449U CN 218758922 U CN218758922 U CN 218758922U
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- shaped clamping
- fixing device
- adjustable fixing
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Abstract
The utility model particularly relates to a prevent fixing device for guardrail bar with adjustable exempt from to punch has solved the fixed mode of preventing guardrail bar of current expansion bolts and has caused the problem of destruction to the wall structure. A fixing device for a punching-free adjustable protective railing comprises two adjustable fixing frames, wherein two end parts of each adjustable fixing frame are provided with a U-shaped clamping mechanism, and each U-shaped clamping mechanism consists of two L-shaped clamping plates; positioning bolts are fixed on the front surfaces of the transverse plates of the four L-shaped clamping plates positioned on the front side, the four ear plates of the protective railing are sleeved on the four positioning bolts in a one-to-one correspondence manner, and fastening nuts are screwed on the tail end parts of the positioning bolts. The utility model discloses a protection railing is connected with the formula of punching of exempting from of wall body, has saved the operation of trompil on the wall, has avoided causing destruction to the wall structure, and installation, dismantlement simple operation have convenient preparation, can have enough to meet the need many times and use, safe and reliable's advantage, can be used to vertical the fixed of the protection railing who faces the limit entrance to a cave.
Description
Technical Field
The utility model relates to a fixing device for construction specifically is a fixing device for protection railing with adjustable exempt from to punch.
Background
In the construction of high-rise residential buildings, door and window openings and elevator shaft openings with different sizes are reserved. According to normal procedures, the door and window engineering and the elevator engineering begin to install doors and windows and an indoor elevator after decoration, and during the construction period, especially in the main body construction stage and the decoration construction stage, the protection of the door and window openings is an important measure for ensuring safety. At present, a shaped chemical tool type protective railing is usually adopted for hole protection, and phi 12 multiplied by 4 expansion bolts are used for being firmly fixed with a wall surface. Therefore, it is necessary to position the bolt on the wall structure and install the bolt by drilling.
However, practice shows that the existing mode of fixing the protective barrier by the expansion bolts has the following problems in application: firstly, the wall structure is easily damaged greatly, if the reinforcing steel bars are hit in the punching process, the position is changed for punching again, or the edges and corners of the wall are damaged due to improper operation of constructors; secondly, during the construction of subsequent masonry engineering and plastering engineering, the protection handrail is usually dismantled according to the construction requirement of the protection part, after the construction of the protection part is completed, the protection handrail is installed by punching again, and the damage to the wall structure is further aggravated by repeated punching.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the fixed mode of preventing guardrail bar of current expansion bolts and cause the destruction problem to the wall structure, provide an adjustable prevent fixing device for guardrail bar that punches with exempting from.
The utility model discloses an adopt following technical scheme to realize:
a fixing device for a punching-free adjustable protective railing comprises two adjustable fixing frames which are parallel to each other, wherein U-shaped clamping mechanisms are arranged at two end parts of each adjustable fixing frame, each U-shaped clamping mechanism is composed of two L-shaped clamping plates which are oppositely arranged and adjustable in distance, and the two U-shaped clamping mechanisms positioned on the left side are tightly sleeved on a wall body positioned on the left side of a vertical edge facing opening; the two U-shaped clamping mechanisms on the right side are tightly sleeved on the wall body on the right side of the vertical edge opening; positioning bolts with backward heads are fixed on the front surfaces of the transverse plates of the four L-shaped clamping plates positioned on the front side, the four ear plates of the protective railing are sleeved on the four positioning bolts in a one-to-one correspondence manner, and fastening nuts tightly attached to the front surfaces of the ear plates are screwed on the tail ends of the positioning bolts.
The four U-shaped clamping mechanisms in the utility model can firmly clamp the wall bodies positioned on the left side and the right side of the vertical edge-facing opening, thereby realizing the fixed clamping of the fixing device and the wall bodies, saving the operation of perforating on the wall and avoiding the damage to the wall surface structure; the adjustable fixing frame provides a mounting position for the U-shaped clamping mechanism; secondly, the distance between the two L-shaped splints which are oppositely arranged can be adjusted according to the thickness of the wall body, so that each pair of L-shaped splints can firmly clamp the wall body; the structural design of the positioning bolt and the fastening nut realizes the fixed connection of the fixing device and the ear plate of the protective railing.
Preferably, the surface of the L-shaped splint facing the wall body is provided with an L-shaped rubber anti-skid pad fixedly attached to the L-shaped splint.
The rubber non-slip mat makes L shape splint closely laminate with the wall body, can increase the non-skid property of L shape splint and wall body binding face simultaneously, has effectively promoted this fixing device's structural reliability.
Preferably, the adjustable fixing frame comprises two telescopic longitudinal adjusting rods and a telescopic connecting beam which is fixedly connected between the front end parts of the two longitudinal adjusting rods; the L-shaped clamp plate is fixedly connected with the end part of the longitudinal adjusting rod.
When in use, the length of the longitudinal adjusting rod is adjusted according to the thickness of the wall body, so that the purpose of adjusting the distance between the two oppositely arranged L-shaped clamping plates is realized.
Preferably, two adjustable mounts are upper and lower parallel distribution, the tie-beam is transversely placed, and the front end of two longitudinal adjusting rods is fixed connection respectively in the left end face, the right end face of tie-beam.
Preferably, parallel distribution about two adjustable mounts are, the tie-beam is vertical placing, and two longitudinal adjusting rod's preceding tip fixed connection respectively in the up end of tie-beam, terminal surface down.
Preferably, the connecting beam and the longitudinal adjusting rod both comprise an inner square tube positioned in the middle and two outer square tubes sleeved at two ends of the inner square tube in a sliding manner; the sleeve joint part of the inner square pipe and the outer square pipe is provided with a mounting hole arranged on the outer square pipe and a plurality of regulating holes which are arranged on the inner square pipe and are distributed at equal intervals; and a mounting nut with a through hole opposite to the mounting hole is fixed on the outer surface of the outer square tube, and a butterfly bolt is arranged on the mounting hole, the mounting nut and one of the adjusting holes in a penetrating manner.
When the length of the connecting beam or the longitudinal adjusting rod is adjusted, firstly, the butterfly bolt is rotated reversely to remove the splicing of the butterfly bolt and the mounting hole and the butterfly bolt and the adjusting hole, and then, one or two outer square tubes are slid until the length of the connecting beam or the longitudinal adjusting rod reaches the use requirement; when the length of the connecting beam or the longitudinal adjusting rod is locked, the butterfly bolt is rotated in the forward direction until the tail part of the butterfly bolt is simultaneously inserted into the mounting hole and the adjusting hole.
This structural design can lock the length of tie-beam, vertical regulation pole after adjusting, avoids the length of tie-beam or vertical regulation pole to change and influence this fixing device to the fixed effect of preventing the railing in the use. In addition, through welding mounting nut on outer square pipe, set up the threaded connection position in the outside of outer square pipe, saved including the operation of square pipe or outer square pipe tapping hole, and then avoided the influence of pipe wall to threaded connection length.
The fixing device adopts a sleeving structure of the inner square pipe and the outer square pipe, is simple to manufacture, and can be manufactured on a construction site. When the fixing device is manufactured, the back-to-back end faces of the two outer square tubes of the connecting beam are respectively welded and fixed with the opposite side faces of the outer square tubes of the two longitudinal adjusting rods.
The utility model has reasonable and reliable structural design, realizes the punching-free connection of the protective railing and the wall body, saves the operation of punching holes on the wall, avoids the damage to the wall surface structure and improves the impression quality of the structure; and can adjust the interval of L shape splint according to wall body thickness, make this fixing device can be applicable to the vertical limit entrance to a cave that faces of different wall thickness, can be simultaneously according to the interval adjustment positioning bolt's of otic placode mounting hole interval, make this fixing device applicable in the protection railing of different specifications, the suitability further promotes, it is further, the installation, dismantle the simple operation, effectively improved ann and torn open efficiency, have convenient preparation, can have enough to meet the need the use many times, safe and reliable's advantage, can be used to the vertical fixed of the protection railing who faces the limit entrance to a cave.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2.
In the figure, 1-L-shaped clamping plate, 2-positioning bolt, 3-fastening nut, 4-rubber non-slip mat, 5-inner square tube, 6-outer square tube, 7-adjusting hole, 8-mounting nut and 9-butterfly bolt.
Detailed Description
Example 1
A fixing device for an adjustable protective railing without punching is shown in the attached figure 1 and comprises two adjustable fixing frames which are parallel to each other, wherein two ends of each adjustable fixing frame are respectively provided with a U-shaped clamping mechanism, each U-shaped clamping mechanism is composed of two L-shaped clamping plates 1 which are oppositely arranged and have adjustable intervals, and the two U-shaped clamping mechanisms on the left side are respectively and tightly sleeved on a wall body on the left side of a vertical edge facing hole; the two U-shaped clamping mechanisms on the right side are tightly sleeved on the wall body on the right side of the vertical edge opening; positioning bolts 2 with backward heads are fixed on the front surfaces of the transverse plates of the four L-shaped clamping plates 1 positioned on the front side, the four ear plates of the protective railing are sleeved on the four positioning bolts 2 in a one-to-one correspondence manner, and fastening nuts 3 tightly attached to the front surfaces of the ear plates are screwed on the tail ends of the positioning bolts 2.
As shown in fig. 1, the surface of the L-shaped splint 1 facing the wall body is provided with an L-shaped rubber mat 4 fixedly attached to the L-shaped splint 1.
As shown in fig. 1, the adjustable fixing frame comprises two telescopic longitudinal adjusting rods and a telescopic connecting beam which is fixedly connected between the front end parts of the two longitudinal adjusting rods; the L-shaped splint 1 is fixedly connected with the end part of the longitudinal adjusting rod.
As shown in the attached figure 1, the two adjustable fixing frames are distributed in an up-down parallel manner, the connecting beam is transversely placed, and the front end parts of the two longitudinal adjusting rods are respectively and fixedly connected to the left end surface and the right end surface of the connecting beam.
In this embodiment, the length of the connecting beam is adjusted according to the transverse dimension of the vertical adjacent-edge hole.
During installation, firstly, the adjustable fixing frame positioned on the lower side is transversely placed on the bottom side of the interior of the vertical edge-facing hole, then the length of the connecting beam is adjusted, so that the opposite surfaces of the two longitudinal adjusting rods are respectively attached to the left side wall and the right side wall of the vertical edge-facing hole, and the length of the connecting beam is locked after the adjustment is finished; then the lengths of the two longitudinal adjusting rods are respectively adjusted, so that the two U-shaped clamping mechanisms can be respectively and tightly clamped on the wall bodies positioned on two sides of the vertical adjacent edge hole, namely the L-shaped clamping plate 1 is tightly attached to the external corner edge of the vertical adjacent edge hole, and the lengths of the two longitudinal adjusting rods are respectively locked after the adjustment is finished, so that the installation of the adjustable fixing frame positioned on the lower side is finished; by analogy, the adjustable fixing frames positioned at the upper side are installed in the middle of the vertical edge-facing hole, and the distance between the two adjustable fixing frames is controlled during installation, so that the four positioning bolts 2 can penetrate through the installation holes of the four ear plates in a one-to-one correspondence manner; then hang the guardrail board in this fixing device's front side for the mounting hole of four otic placodes of guardrail board overlaps respectively in four positioning bolt 2, at last respectively installs four fastening nut 3 on four positioning bolt 2, accomplishes the installation of guardrail board from this, has overcome the problem that current expansion bolts fixed the mode of preventing the guardrail bar and cause the destruction to wall structure.
When demolising, at first pull down four fastening nut 3, remove the protection breast board after that, then demolish two mount with adjustable respectively, when demolising the mount with adjustable, adjust two vertical regulation pole respectively earlier for the length of two vertical regulation poles all increases, in order to remove the centre gripping relation of U-shaped fixture and wall body, then adjust the tie-beam, make the length of tie-beam shorten, can follow the inside of vertical limit entrance to a cave with adjustable mount and take out. After being taken out, the adjustable fixing frame and the fastening nut 3 are reassembled for the next use.
As shown in the attached figure 1, each of the connecting beam and the longitudinal adjusting rod comprises an inner square tube 5 positioned in the middle and two outer square tubes 6 slidably sleeved at two ends of the inner square tube 5; the sleeve joint part of the inner square pipe 5 and the outer square pipe 6 is provided with an installation hole arranged on the outer square pipe 6 and a plurality of adjusting holes 7 which are arranged on the inner square pipe 5 and are distributed at equal intervals; and a mounting nut 8 with a through hole opposite to the mounting hole is fixed on the outer surface of the outer square pipe 6, and a butterfly bolt 9 is arranged on the mounting hole, the mounting nut 8 and one of the adjusting holes 7 in a penetrating manner.
In the embodiment, the L-shaped splint 1 is made of angle steel with the length of 5cm and the specification of 40mm multiplied by 40 mm; the outer square tube 6 of the longitudinal adjusting rod is made of a square tube with the length of 10cm and the specification of 30mm multiplied by 30 mm; the inner square tube 5 of the longitudinal adjusting rod is made of a square tube with the length of 18cm and the specification of 25mm multiplied by 25 mm; the distance between the mounting hole of the longitudinal adjusting rod and the outer square tube 6 is 2.5cm; the arrangement distance of the installation adjusting holes 7 of the longitudinal adjusting rod is 2.5cm; the positioning bolt 2 is an M12 stainless steel bolt; the outer square tube 6 of the connecting beam is made of a square tube with the length of 100cm and the specification of 30mm multiplied by 30 mm; the inner square tube 5 of the connecting beam is made of a square tube with the length of 80cm and the specification of 25mm multiplied by 25 mm; the distance between the mounting hole of the connecting beam and the outer square tube 6 is 10cm; the arrangement distance of the installation adjusting holes 7 of the connecting beam is 10cm.
Example 2
A fixing device for a punching-free adjustable protective railing, as shown in figure 2, comprises two adjustable fixing frames which are parallel to each other, wherein U-shaped clamping mechanisms are arranged at two end parts of each adjustable fixing frame, each U-shaped clamping mechanism is composed of two L-shaped clamping plates 1 which are oppositely arranged and have adjustable intervals, and the two U-shaped clamping mechanisms positioned at the left side are tightly sleeved on a wall body positioned at the left side of a vertical edge facing hole; the two U-shaped clamping mechanisms on the right side are tightly sleeved on the wall body on the right side of the vertical edge opening; positioning bolts 2 with backward heads are fixed on the front surfaces of the transverse plates of the four L-shaped clamping plates 1 positioned on the front side, the four ear plates of the protective railing are sleeved on the four positioning bolts 2 in a one-to-one correspondence manner, and fastening nuts 3 tightly attached to the front surfaces of the ear plates are screwed on the tail ends of the positioning bolts 2.
As shown in fig. 2, the surface of the L-shaped splint 1 facing the wall body is provided with an L-shaped rubber mat 4 fixedly attached to the L-shaped splint 1.
As shown in fig. 2, the adjustable fixing frame comprises two telescopic longitudinal adjusting rods and a telescopic connecting beam which is fixedly connected between the front ends of the two longitudinal adjusting rods; the L-shaped splint 1 is fixedly connected with the end part of the longitudinal adjusting rod.
As shown in the attached drawing 2, the two adjustable fixing frames are distributed in parallel left and right, the connecting beam is vertically arranged, and the front end parts of the two longitudinal adjusting rods are respectively and fixedly connected to the upper end surface and the lower end surface of the connecting beam.
In this embodiment, the length of the connecting beam is adjusted according to the distance between the mounting holes of the two ear plates on the same side.
During installation, the length of the connecting beam on the left side is adjusted according to the distance between the installation holes of the two ear plates on the left side of the protective breast board, so that the distance between the two positioning bolts 2 is matched with the distance between the installation holes of the two ear plates, and the length of the connecting beam is locked after the adjustment is finished; then straightening the adjustable fixing frame, moving the adjustable fixing frame from right to left until the longitudinal adjusting rod is attached to the left side wall of the vertical adjacent-edge hole, then respectively adjusting the lengths of the two longitudinal adjusting rods, so that the two U-shaped clamping mechanisms can be tightly clamped on the wall body on the left side of the vertical adjacent-edge hole, namely the L-shaped clamping plate 1 is tightly attached to the external corner edge of the vertical adjacent-edge hole, and respectively locking the lengths of the two longitudinal adjusting rods after the adjustment is finished, thereby finishing the installation of the adjustable fixing frame on the left side; and so on, the adjustable fixing frame positioned on the right side is installed; then hang the guardrail board in this fixing device's front side for the mounting hole of four otic placodes of guardrail board overlaps respectively in four positioning bolt 2, at last respectively installs four fastening nut 3 on four positioning bolt 2, accomplishes the installation of guardrail board from this, has overcome the problem that current expansion bolts fixed the mode of preventing the guardrail bar and cause the destruction to wall structure.
When the adjustable fixing frame is disassembled, the four fastening nuts 3 are firstly disassembled, then the protective baffle plate is removed, then the two adjustable fixing frames are respectively disassembled, when the adjustable fixing frame is disassembled, the two longitudinal adjusting rods are respectively adjusted, so that the lengths of the two longitudinal adjusting rods are increased, the clamping relation between the U-shaped clamping mechanism and the wall body is removed, and then the adjustable fixing frame is taken out from the inside of the vertical edge opening. After being taken out, the adjustable fixing frame and the fastening nut 3 are reassembled for the next use.
As shown in the attached figure 2, each of the connecting beam and the longitudinal adjusting rod comprises an inner square tube 5 positioned in the middle and two outer square tubes 6 slidably sleeved at two ends of the inner square tube 5; the sleeve joint part of the inner square pipe 5 and the outer square pipe 6 is provided with an installation hole arranged on the outer square pipe 6 and a plurality of adjusting holes 7 which are arranged on the inner square pipe 5 and are distributed at equal intervals; and a mounting nut 8 with a through hole opposite to the mounting hole is fixed on the outer surface of the outer square pipe 6, and a butterfly bolt 9 is arranged on the mounting hole, the mounting nut 8 and one of the adjusting holes 7 in a penetrating manner.
In the embodiment, the L-shaped splint 1 is made of angle steel with the length of 5cm and the specification of 40mm multiplied by 40 mm; the outer square tube 6 of the longitudinal adjusting rod is made of a square tube with the length of 10cm and the specification of 30mm multiplied by 30 mm; the inner square tube 5 of the longitudinal adjusting rod is made of a square tube with the length of 18cm and the specification of 25mm multiplied by 25 mm; the distance between the mounting hole of the longitudinal adjusting rod and the outer square tube 6 is 2.5cm; the arrangement distance of the installation adjusting holes 7 of the longitudinal adjusting rod is 2.5cm; the positioning bolt 2 is an M12 stainless steel bolt; the outer square tube 6 of the connecting beam is made of a square tube with the length of 40cm and the specification of 30mm multiplied by 30 mm; the inner square tube 5 of the connecting beam is made of a square tube with the length of 60cm and the specification of 25mm multiplied by 25 mm; the distance between the mounting hole of the connecting beam and the outer square tube 6 is 5cm; the setting interval of the installation adjusting holes 7 of the connecting beam is 5cm.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent fixing device for guardrail bar with adjustable exempt from to punch which characterized in that: the adjustable clamping device comprises two adjustable fixing frames which are parallel to each other, wherein two end parts of each adjustable fixing frame are respectively provided with a U-shaped clamping mechanism, each U-shaped clamping mechanism is composed of two L-shaped clamping plates (1) which are oppositely arranged and have adjustable intervals, and the two U-shaped clamping mechanisms positioned on the left side are tightly sleeved on a wall body positioned on the left side of a vertical edge facing opening; the two U-shaped clamping mechanisms on the right side are tightly sleeved on the wall body on the right side of the vertical edge opening; positioning bolts (2) with backward heads are fixed on the front surfaces of the transverse plates of the four L-shaped clamping plates (1) positioned on the front side, the four ear plates of the protective railing are sleeved on the four positioning bolts (2) in a one-to-one correspondence manner, and fastening nuts (3) tightly attached to the front surfaces of the ear plates are screwed on the tail end portions of the positioning bolts (2).
2. The adjustable fixing device for a protective railing without drilling holes of claim 1, wherein: the surface of the L-shaped splint (1) facing the wall body is provided with an L-shaped rubber anti-skid pad (4) fixedly attached to the L-shaped splint (1).
3. The adjustable fixing device for a protective railing without drilling holes of claim 1, wherein: the adjustable fixing frame comprises two telescopic longitudinal adjusting rods and a telescopic connecting beam which is fixedly connected between the front end parts of the two longitudinal adjusting rods; the L-shaped clamping plate (1) is fixedly connected with the end part of the longitudinal adjusting rod.
4. The adjustable fixing device for a protective railing without punching according to claim 3, wherein: two adjustable mounts are upper and lower parallel distribution, the tie-beam is transversely placed, and the preceding tip of two longitudinal adjusting poles is fixed connection respectively in the left end face of tie-beam, right-hand member face.
5. The adjustable fixing device for a protective railing without punching according to claim 3, wherein: two adjustable mounts are left and right parallel distribution, the tie-beam is vertical placing, and the preceding tip of two longitudinal regulation poles is fixed connection respectively in the up end of tie-beam, terminal surface down.
6. The adjustable fixing device for a protective rail without punching of claim 4 or 5, wherein: the connecting beam and the longitudinal adjusting rod respectively comprise an inner square tube (5) positioned in the middle and two outer square tubes (6) sleeved at two ends of the inner square tube (5) in a sliding manner; the sleeve joint part of the inner square pipe (5) and the outer square pipe (6) is provided with a mounting hole arranged on the outer square pipe (6) and a plurality of adjusting holes (7) which are arranged on the inner square pipe (5) and are distributed at equal intervals; the outer surface of the outer square pipe (6) is fixed with a mounting nut (8) with a through hole opposite to the mounting hole, and a butterfly bolt (9) is arranged on the mounting hole, the mounting nut (8) and one of the adjusting holes (7) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231449.8U CN218758922U (en) | 2022-12-04 | 2022-12-04 | Adjustable fixing device for protective railing free of punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231449.8U CN218758922U (en) | 2022-12-04 | 2022-12-04 | Adjustable fixing device for protective railing free of punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218758922U true CN218758922U (en) | 2023-03-28 |
Family
ID=85679827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223231449.8U Active CN218758922U (en) | 2022-12-04 | 2022-12-04 | Adjustable fixing device for protective railing free of punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218758922U (en) |
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2022
- 2022-12-04 CN CN202223231449.8U patent/CN218758922U/en active Active
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