CN215669533U

CN215669533U - Foundation pit support with good safety performance

Info

Publication number: CN215669533U
Application number: CN202120685584.6U
Authority: CN
Inventors: 初壮; 张岩; 于梅哲; 陈碧格
Original assignee: Shen Kan Engineering and Technology Corp of MCC
Current assignee: Shen Kan Engineering and Technology Corp of MCC
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-01-28
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a foundation pit support with good safety performance, which comprises a supporting plate, wherein the left end of the top of the supporting plate is connected with a protective plate through a fastening screw, the outer surface of the protective plate is provided with a protective layer, and the protective layer comprises a graphene fiber layer, a titanium alloy coating and a polyvinyl chloride coating. The anti-corrosion protection device is provided with the second connecting rod, the adjusting rod, the first connecting rod, the screw sleeve, the screw rod, the mounting seat and the rocking handle, the purpose of supporting foundation pit side slopes with different gradients can be achieved, the protection layer comprising the graphene fiber layer, the titanium alloy coating and the polyvinyl chloride coating is arranged, the polyvinyl chloride coating can effectively improve the overall corrosion resistance of the protection plate, the titanium alloy coating can improve the overall wear resistance of the protection plate after the polyvinyl chloride coating is damaged, the graphene fiber layer can improve the overall strength of the protection plate, the service life of the protection plate is further prolonged, and the overall safety of the anti-corrosion protection device is effectively improved through the matching of the structures.

Description

Foundation pit support with good safety performance

Technical Field

The utility model relates to the technical field of foundation pits, in particular to a foundation pit support with good safety performance.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby on site before excavation, waterproof and drainage work is carried out, a slope can be placed for people who do not excavate deeply to stabilize the soil slope, the slope size is determined according to relevant construction regulations, people who excavate deeper buildings and nearby buildings can excavate deeply, a foundation pit wall supporting method and a concrete spraying wall protecting method can be used, a large foundation pit even adopts methods of interlocking underground continuous walls and column-type bored piles, and the like, the soil layer outside the protection is collapsed, people who do not have influence on nearby buildings can reduce the underground water level by a well point method, slope open excavation is adopted, natural cold air freezing method excavation can be adopted in cold regions, and the supporting device can be used for avoiding foundation pit collapse in the construction process, but the supporting angle of the existing supporting device can not be adjusted according to the gradients of different slopes, therefore, the safety of the foundation pit support is poor, and therefore the foundation pit support with good safety performance is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foundation pit support with good safety performance, which has the advantage of high safety and solves the problem that the existing support device cannot adjust the support angle according to the slope inclination of different foundation pits, so that the safety is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a foundation ditch support that security performance is good, includes the backup pad, the left end at backup pad top has the guard plate through fastening screw connection, and the surface of guard plate is provided with the inoxidizing coating, and simultaneously, the inoxidizing coating includes graphite alkene fibrous layer, titanium alloy coating and polyvinyl chloride coating, the right-hand member fixedly connected with mount pad at backup pad top, and there is the screw rod upper end of mount pad internal surface through bearing swing joint, simultaneously, the right side fixedly connected with rocking handle of screw rod, and the surface threaded connection of screw rod has the swivel nut of top fixed connection head rod, there is the regulation pole at the top of head rod through fastening screw connection, and the top of adjusting the pole is passed through fastening screw and is connected with the second connecting rod of fixed connection in the upper end of guard plate right side.

Preferably, the left side of guard plate and the equal fixedly connected with stock that a plurality of equidistance of bottom of backup pad distribute, and the surface fixedly connected with barb of stock.

Preferably, the inner side of the graphene fiber layer is connected with the outer side of the protection plate through PP glue, the titanium alloy coating is coated on the outer side of the graphene fiber layer, and meanwhile, the polyvinyl chloride coating is coated on the outer side of the titanium alloy coating.

Preferably, the thickness of the titanium alloy coating is 0.3-0.5 times of that of the graphene fiber layer, and the thickness of the polyvinyl chloride coating is 0.15-0.3 times of that of the titanium alloy coating.

Preferably, the bottom fixedly connected with slide bar of swivel nut, the bottom fixedly connected with slide of mount pad inner chamber, and the bottom sliding connection of slide bar in the inner chamber of slide, simultaneously, spacing hole has all been seted up to the right side of mount pad and the internal surface of rocking handle, through spacing pin connection between rocking handle and the mount pad, is located the spacing hole on mount pad right side, and its quantity is a plurality of, and the contained angle homogeneous phase between per two adjacent spacing holes is the same.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is provided with the second connecting rod, the adjusting rod, the first connecting rod, the screw sleeve, the screw rod, the mounting seat and the rocking handle, after the supporting plate is arranged at a preset place, the rocking handle is shaken by hands, the rocking handle drives the screw rod to rotate, the screw rod drives the screw sleeve to move, the screw sleeve drives the inclination angle of the protection plate to change through the first connecting rod, the adjusting rod and the second connecting rod, thereby achieving the purpose of supporting foundation pit slopes with different inclinations, the utility model is provided with the protection layer comprising the graphene fiber layer, the titanium alloy coating and the polyvinyl chloride coating, wherein the polyvinyl chloride coating can effectively improve the corrosion resistance of the whole protection plate, the titanium alloy coating can improve the wear resistance of the whole protection plate after the polyvinyl chloride coating is damaged, the graphene fiber layer can improve the strength of the whole protection plate, thereby further improving the service life of the protection plate, and through the matching of the structures, the overall safety of the device is effectively improved, and the problem that the existing supporting device cannot adjust the supporting angle according to the slope gradient of different foundation pits, so that the safety is poor is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the mounting base of the present invention;

FIG. 3 is a schematic view of a protective layer structure according to the present invention;

FIG. 4 is a schematic structural view of a titanium alloy coating according to the present invention.

In the figure: the device comprises a supporting plate 1, a barb 2, a screw rod 3, an anchor rod 4, a protective plate 5, a second connecting rod 6, an adjusting rod 7, a first connecting rod 8, a threaded sleeve 9, a mounting seat 10, a limiting pin 11, a rocking handle 12, a sliding rod 13, a sliding seat 14, a limiting hole 15, a protective layer 16, a graphene fiber layer 161, a titanium alloy coating 162 and a polyvinyl chloride coating 163.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The support plate 1, barb 2, screw rod 3, stock 4, guard plate 5, second connecting rod 6, adjust pole 7, first connecting rod 8, swivel nut 9, mount pad 10, spacer pin 11, rocking handle 12, slide bar 13, slide 14, spacing hole 15, inoxidizing coating 16, graphite alkene fibrous layer 161, titanium alloy coating 162 and polyvinyl chloride coating 163 part of this application are general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a foundation pit support with good safety performance comprises a support plate 1, wherein a protection plate 5 is connected to the left end of the top of the support plate 1 through a fastening screw, and the left end of the top of the support plate 1 is connected with a fastening screw in a fastening screw connection mode, so that people can conveniently detach all components of the foundation pit support, and the foundation pit support is convenient to carry by people, a plurality of anchor rods 4 are fixedly connected to the left side of the protection plate 5 and the bottom of the support plate 1 at equal intervals, barbs 2 are fixedly connected to the outer surfaces of the anchor rods 4, so that the overall stability of the foundation pit support can be improved, a protection layer 16 is arranged on the outer surface of the protection plate 5, meanwhile, the protection layer 16 comprises a graphene fiber layer 161, a titanium alloy coating 162 and a polyvinyl chloride coating 163, the overall corrosion resistance of the protection plate 5 can be effectively improved by the polyvinyl chloride coating 163, the overall wear resistance of the protection plate 5 can be improved by the titanium alloy coating 162 after the polyvinyl chloride coating 163 is damaged, the graphene fiber layer 161 can improve the overall strength of the protection plate 5, so as to further improve the service life of the protection plate 5, the inner side of the graphene fiber layer 161 is connected with the outer side of the protection plate 5 through PP glue, the titanium alloy coating layer 162 is coated on the outer side of the graphene fiber layer 161, meanwhile, the polyvinyl chloride coating layer 163 is coated on the outer side of the titanium alloy coating layer 162, the thickness of the titanium alloy coating layer 162 is 0.3-0.5 times of that of the graphene fiber layer 161, the thickness of the polyvinyl chloride coating layer 163 is 0.15-0.3 times of that of the titanium alloy coating layer 162, the right end of the top of the support plate 1 is fixedly connected with an installation seat 10, the upper end of the inner surface of the installation seat 10 is movably connected with a screw rod 3 through a bearing, meanwhile, the right side of the screw rod 3 is fixedly connected with a rocking handle 12, the outer surface of the screw rod 3 is in threaded connection with a threaded sleeve 9, the top of which is fixedly connected with a first connecting rod 8, the top of the first connecting rod 8 is connected with an adjusting rod 7 through a fastening screw, the top of the adjusting rod 7 is connected with a second connecting rod 6 fixedly connected with the upper end of the right side of the protection plate 5 through a fastening screw, after the support plate 1 is installed at a preset place, the rocking handle 12 is shaken by hands, the rocking handle 12 drives the screw rod 3 to rotate, the screw rod 3 drives the screw sleeve 9 to move, the screw sleeve 9 drives the inclination angle of the protection plate 5 to change through the first connecting rod 8, the adjusting rod 7 and the second connecting rod 6, so that the aim of supporting foundation pit slopes with different inclinations is achieved, the bottom of the screw sleeve 9 is fixedly connected with a slide rod 13, the bottom of the inner cavity of the installation seat 10 is fixedly connected with a slide seat 14, the bottom of the slide rod 13 is slidably connected in the inner cavity of the slide seat 14, meanwhile, the right side of the installation seat 10 and the inner surface of the rocking handle 12 are both provided with limiting holes 15, the rocking handle 12 is connected with the installation seat 10 through a limiting pin 11, so that the position of the screw sleeve 9 can be fixed, the guarantee supporting effect is located the spacing hole 15 on mount pad 10 right side, and its quantity is a plurality of, and the contained angle homogeneous phase between per two adjacent spacing holes 15.

When the protective plate is used, the second connecting rod 6, the adjusting rod 7, the first connecting rod 8, the screw sleeve 9, the screw rod 3, the mounting seat 10 and the rocking handle 12 are arranged, after the supporting plate 1 is installed at a preset place, the rocking handle 12 is shaken by hands, the rocking handle 12 drives the screw rod 3 to rotate, the screw sleeve 9 is driven by the screw rod 3 to move, the screw sleeve 9 drives the inclined angle of the protective plate 5 to change through the first connecting rod 8, the adjusting rod 7 and the second connecting rod 6, so that the aim of supporting foundation pit slopes with different inclined angles is achieved, the protective layer 16 comprising the graphene fiber layer 161, the titanium alloy coating 162 and the polyvinyl chloride coating 163 is arranged, the polyvinyl chloride coating 163 can effectively improve the overall corrosion resistance of the protective plate 5, the titanium alloy coating 162 can improve the overall wear resistance of the protective plate 5 after the polyvinyl chloride coating 163 is damaged, and the graphene fiber layer 161 can improve the overall strength of the protective plate 5, thereby further improve guard plate 5's life, through the cooperation of above structure, effectively improved the holistic security of this device, solved current supporting device and can't adjust its support angle according to the side slope gradient of different foundation ditches to lead to the relatively poor problem of its security.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch support that security performance is good, includes backup pad (1), its characterized in that: the left end of the top of the supporting plate (1) is connected with a protective plate (5) through a fastening screw, the outer surface of the protective plate (5) is provided with a protective layer (16), meanwhile, the protective layer (16) comprises a graphene fiber layer (161), a titanium alloy coating (162) and a polyvinyl chloride coating (163), the right end of the top of the supporting plate (1) is fixedly connected with a mounting seat (10), the upper end of the inner surface of the mounting seat (10) is movably connected with a screw rod (3) through a bearing, meanwhile, the right side of the screw rod (3) is fixedly connected with a rocking handle (12), the outer surface of the screw rod (3) is in threaded connection with a threaded sleeve (9) the top of which is fixedly connected with a first connecting rod (8), the top of the first connecting rod (8) is connected with an adjusting rod (7) through a fastening screw, and the top of the adjusting rod (7) is connected with a second connecting rod (6) which is fixedly connected with the upper end of the right side of the protection plate (5) through a fastening screw.

2. The foundation pit support with good safety performance as claimed in claim 1, wherein: the utility model discloses a safety protection plate, including the equal anchor rod (4) that a plurality of equidistance of the equal fixedly connected with in bottom of the left side of guard plate (5) and backup pad (1) distribute, and the external fixed surface of anchor rod (4) is connected with barb (2).

3. The foundation pit support with good safety performance as claimed in claim 1, wherein: the inner side of the graphene fiber layer (161) is connected with the outer side of the protection plate (5) through PP glue, the titanium alloy coating (162) is coated on the outer side of the graphene fiber layer (161), and meanwhile, the polyvinyl chloride coating (163) is coated on the outer side of the titanium alloy coating (162).

4. The foundation pit support with good safety performance as claimed in claim 1, wherein: the thickness of the titanium alloy coating (162) is 0.3-0.5 times of that of the graphene fiber layer (161), and the thickness of the polyvinyl chloride coating (163) is 0.15-0.3 times of that of the titanium alloy coating (162).

5. The foundation pit support with good safety performance as claimed in claim 1, wherein: the utility model discloses a rock drill, including mount pad (10), the bottom fixedly connected with slide bar (13) of swivel nut (9), the bottom fixedly connected with slide (14) of mount pad (10) inner chamber, and the bottom sliding connection of slide bar (13) is in the inner chamber of slide (14), and simultaneously, spacing hole (15) have all been seted up to the right side of mount pad (10) and the internal surface of rocking handle (12), be connected through spacer pin (11) between rocking handle (12) and mount pad (10), be located spacing hole (15) on mount pad (10) right side, its quantity is a plurality of, and the contained angle between per two adjacent spacing holes (15) is the same.