CN217480197U

CN217480197U - Be used for municipal administration shallow foundation ditch or shallow trench to strut device of preventing collapsing

Info

Publication number: CN217480197U
Application number: CN202221725411.3U
Authority: CN
Inventors: 孙冬冬; 刘远; 曹印; 张方元; 李伟; 金露露; 颜颂轩
Original assignee: Road And Bridge Engineering Co ltd Of China Railway No5 Engineering Group Co ltd
Current assignee: Road And Bridge Engineering Co ltd Of China Railway No5 Engineering Group Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-09-23
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a municipal works technical field discloses a be used for shallow foundation trench of municipal administration or shallow trench to strut anti-collapse device, include: the lower ends of the support columns are inserted into a soil body at the bottom of the groove; the connecting rods are arranged between two adjacent supporting columns arranged in a row, and two ends of each connecting rod are fixedly connected with the side walls of two adjacent supporting columns arranged in a row respectively; the transverse supporting component is arranged between the two groups of supporting columns, and two ends of the transverse supporting component are respectively abutted to the side walls of the two groups of supporting columns. The utility model discloses can form safe effectual supporting construction, avoid collapsing on the cell wall or falling the construction danger that the piece caused, guarantee construction operation personnel's work safety, quick assembly disassembly can be realized to stable in structure.

Description

Be used for municipal administration shallow foundation ditch or shallow trench to strut device of preventing collapsing

Technical Field

The utility model relates to a municipal works technical field especially relates to a be used for shallow foundation trench of municipal administration or shallow trench to strut anti-collapse device.

Background

In the conventional shallow foundation trench or shallow trench support, a steel pipe pile, a temporary retaining wall, an inclined column support, an anchor pull support or a short pile diaphragm support and the like are required to be arranged according to geological requirements. For municipal shallow foundation trench or shallow trench support, particularly shallow trench excavation on a municipal road which is already communicated, the conventional support method has the problems of long construction period, large investment and long traffic influence time.

The patent with publication number CN215977438U discloses a protection device for shallow trench operation, which comprises two protection plates with the same structure and arranged symmetrically, and a telescopic mechanism installed between the two protection plates and used for controlling the two protection plates to approach or keep away from each other. Although the protection plate can be quickly built to form a safety space to support a shallow trench collapsed soil body, the protection plate still has the following problems that the protection plate is of a plate-shaped structure and made of PVC materials, and the lower end of the protection plate is difficult to insert into the soil body, so that the stability of the whole support structure is poor; the protection plate is controlled to move towards the inner side wall of the shallow groove through the telescopic structure, the protection plate is used for blocking deformation of soil in the shallow groove, deformation is prevented from being reduced by the protection plate, the quality requirement on the protection plate is high, and the manufacturing cost of the protection device is increased.

In view of this, it is important for those skilled in the art to design an anti-collapse device that has a stable structure, can realize support quickly, and can realize effective support.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing one kind and is used for municipal shallow foundation ditch or shallow trench to strut anti-collapse device.

In order to achieve the above purpose, the technical scheme of the utility model is that: a collapse prevention device for municipal shallow foundation trench or shallow trench support, comprising:

the lower ends of the support columns are inserted into a soil body at the bottom of the groove;

the connecting rods are arranged between two adjacent supporting columns arranged in a row, and two ends of each connecting rod are fixedly connected with the side walls of the two adjacent supporting columns arranged in a row respectively;

the transverse supporting assembly is arranged between the two groups of supporting columns, and two ends of the transverse supporting assembly are respectively abutted to the side walls of the two groups of supporting columns.

Further, the cross support assembly includes:

the two support rods are arranged between the two groups of support columns, the extension directions of the support rods are the same as the extension directions of the support columns arranged in rows, and the support rods are abutted to the support columns;

locate two telescopic links between the bracing piece, the both ends of telescopic link respectively with two bracing piece fixed connection, two the telescopic link with two the bracing piece encloses synthetic rectangle each other.

Further, be provided with the steel bracket on the lateral wall of support column, the steel bracket is used for supporting the bracing piece.

Further, the telescopic rod includes:

one end of the first connecting rod is fixedly connected with one of the supporting rods, and the other end of the first connecting rod is provided with a plurality of first through holes in a penetrating manner along the length direction;

one end of the second connecting rod is fixedly connected with the other supporting rod, the other end of the first connecting rod is embedded in the other end of the second connecting rod, a second through hole penetrates through the other end of the second connecting rod, and the second through hole is opposite to the first through hole;

and the fastener is detachably connected with the second through hole in a penetrating way and is used for connecting one of the first through hole and the second through hole in a penetrating way so as to realize the total length adjustment between the first connecting rod and the second connecting rod.

Further, the material of support column is seamless steel pipe, the material of connecting rod is the steel pipe, the material of bracing piece is horizontal stupefied wood, the material of second connecting rod is H shaped steel, other end week side rigid coupling of H shaped steel has the rectangle frame, run through on H shaped steel and the rectangle frame and seted up the second through-hole, the material of first connecting rod is square pipe, a plurality of first through-holes have been seted up in running through to the other end of square pipe, the other end cover of square pipe is established in the region that web and the rectangle frame of H shaped steel enclosed, the fastener is the bolt.

Furthermore, the protective net is arranged on two groups of protective nets on two sides of the supporting column, and the protective nets are fixedly connected with the side walls of the supporting column.

Further, the protection network includes intercrossing and fixed connection's vertical reinforcing bar and first horizontal reinforcing bar, vertical reinforcing bar is along vertical equidistant setting, first horizontal reinforcing bar is along the equidistant setting of horizontal direction.

Further, the protection net further comprises a second transverse steel bar perpendicular to the longitudinal steel bar, the second transverse steel bar is fixedly connected with the longitudinal steel bar, and the diameter of the second transverse steel bar is larger than that of the first transverse steel bar.

Furthermore, a bottom plate is fixedly arranged at the lower end of the supporting column, and a spine column is arranged on the lower surface of the bottom plate.

The supporting column structure is characterized by further comprising crown beams arranged at the top ends of the supporting columns in rows, the crown beams are fixedly connected with the top ends of the supporting columns, and the crown beams are made of channel steel.

Compared with the prior art, the utility model at least has the following advantage:

(1) through setting up the support column that two sets of in bank set up for the support column has formed safe effectual supporting construction with the lateral wall butt of shallow foundation trench or shallow ditch groove, can effectively avoid collapsing on the cell wall or falling the construction danger that the piece caused, can guarantee at construction operation personnel's operation safety.

(2) The lateral wall butt of horizontal supporting component support column can realize the quick assembly disassembly process.

(3) The lower extreme of support column has improved in can inserting the soil body of tank bottom the utility model discloses wholly strut the stability of collapse prevention device.

(4) The utility model discloses the supporting material of device of preventing collapsing can utilize repeatedly, can show reduce cost, and reduction of erection time greatly promotes the efficiency of construction, and reproducibility is strong, and popularization and application nature is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of the collapse preventing device for municipal shallow foundation trench or shallow trench support of the present invention;

FIG. 2 is a schematic structural view of the utility model in another direction for the municipal shallow foundation trench or the shallow trench support collapse prevention device;

FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the protection net of the present invention.

Reference numerals are as follows: 1. a support pillar; 2. a connecting rod; 3. a support bar; 4. steel corbels; 5. a first link; 6. a second link; 7. a fastener; 8. longitudinal reinforcing steel bars; 9. a first transverse reinforcement bar; 10. a second transverse reinforcement bar; 11. a base plate; 12. a spike column; 13. a crown beam; 51. a first via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a be used for shallow foundation trench of municipal administration or shallow trench to strut anti-collapse device for shallow foundation trench of municipal works or shallow trench excavation engineering, a protector for shallow trench operation is particularly useful for the fluting construction protection at current road, and its structure includes support column 1, connecting rod 2 and horizontal supporting component.

Wherein support column 1 is provided with two sets ofly, and every group support column 1 is arranged in a row and is a plurality of, and seamless steel pipe is chooseed for use to support column 1, and the model is

t4 steel pipe, the distance between two adjacent support columns 1 that set up in rows is 500mm, and the lateral wall of two sets of support columns 1 and the inside wall (or the cell wall) butt of foundation trench or shallow trench effectively avoid collapsing on the cell wall or fall the construction danger that the piece caused. The bottom mounting of support column 1 is provided with bottom plate 11, and the lower surface of bottom plate 11 is provided with sharp thorn post 12, and the bottom of sharp thorn post 12 is the toper, and during the use, during sharp thorn post 12 inserted the soil body of tank bottom, set up sharp thorn post 12 and can guarantee that support column 1 inserts the soil body fast, set up the area of contact that bottom plate 11 can increase support column 1 and tank bottom surface, and then promote the stability of support column 1. The top fixedly connected with of support column 1 crowns roof beam 13, the preferred channel-section steel that is of canopy roof beam 13, the model is [160mm, and the open end of channel-section steel sets up towards support column 1, sets up crown roof beam 13 on the one hand and strengthens the joint strength between the support column 1, and on the other hand can guarantee that external corrosive substance enters into inside the support column 1, reduces the inside corrosion's of support column 1 possibility. When the device is used, the support column 1 can be driven to be rapidly inserted into a soil body at the bottom of the groove by hammering the crown beam 13.

Between two adjacent supporting columns 1 arranged in a row is arrangedA connecting rod 2, the connecting rod 2 is preferably

The steel pipe of (2), connecting rod (2) are provided with the multiunit, and every group connecting rod (2) set up on same level, and the vertical height between the adjacent group connecting rod (2) is 1500mm, and the both ends of connecting rod (2) set up the lateral wall fixed connection that is used for joint support post (1) with two adjacent support posts (1) that set up in a row respectively, set up connecting rod (2) and be used for joint support post (1), make support post (1) that set up in a row form a whole, can block the soil body jointly and collapse the deformation.

The middle of two sets of support columns 1 is provided with horizontal supporting component, and horizontal supporting component's both ends respectively with the lateral wall butt of two sets of support columns 1.

Two sets of support columns 1 form a safe work area under the effect of horizontal support, can guarantee job work personnel's operation safety at the position, and can realize the quick assembly disassembly process.

Preferably, the cross bracing assembly comprises a bracing bar 3 and a telescopic bar.

Two bracing pieces 3 are located between two sets of

support columns

1, and 3 extending direction of bracing piece is the same with the extending direction of the support column 1 that the in bank set up, and every bracing piece 3 respectively with one of them 1 butts of a set of support column, the effect that bracing piece 3 can play horizontal support. Preferably, the support rod 3 is a horizontal wood beam, and the two horizontal wood beams are symmetrically arranged at the same horizontal height. Specifically, a steel bracket 4 is arranged on the side wall of the support column 1, and the steel bracket 4 is used for supporting the support rod 3. Two telescopic links are located between two bracing pieces 3, the both ends of telescopic link respectively with two bracing pieces 3 fixed connection, two telescopic links and two bracing pieces 3 enclose synthetic rectangle each other. The telescopic link can be close to each other or keep away from between two sets of support columns of effectual control 1, sets up the construction that the telescopic link can realize shallow foundation trench and the shallow ditch groove to different widths, has strengthened the utility model discloses an application scope.

Optionally, the telescopic rod comprises a first link 5, a second link 6 and a fastener 7.

One end of the first connecting rod 5 is fixedly connected with one of the supporting rods 3, the other end of the first connecting rod 5 is provided with a plurality of first through holes 51 in a penetrating manner, and the plurality of first through holes 51 are distributed at equal intervals along the length direction of the first connecting rod 5. One end of the second connecting rod 6 is fixedly connected with the other supporting rod 3, the other end of the first connecting rod 5 is embedded in the other end of the second connecting rod 6, a second through hole penetrates through the other end of the second connecting rod 6, and the second through hole is opposite to the first through hole 51. The fastener 7 is detachably connected to the second through hole in a penetrating manner, and is used for connecting one of the first through holes 51 and the second through hole in a penetrating manner so as to realize the total length adjustment of the first connecting rod 5 and the second connecting rod 6. During the use, adjust the other end of first connecting rod 5 wear to establish with the length between the other end of second connecting rod 6 for one of them first through-hole 51 sets up with the second through-hole is relative, through fastener 7 with first through-hole 51 and the locking cooperation of second through-hole, in order to realize the total length adjustment process of first connecting rod 5 and second connecting rod 6.

Specifically, the material of second connecting rod 6 is H shaped steel, the material of H shaped steel is Q345, the size is 200mm 8mm 12mm, other end week side rigid coupling of H shaped steel has the rectangle frame, run through on H shaped steel and the rectangle frame and seted up the second through-hole, the material of first connecting rod 5 is square pipe, the other end of square pipe runs through and has seted up a plurality of first through-holes 51, the other end cover of square pipe is established in the web of H shaped steel and the region that the rectangle frame encloses and close, fastener 7 is the bolt.

Preferably, combine to refer to fig. 4, the utility model provides a be used for municipal administration shallow foundation trench or shallow trench to strut anti-collapse device still includes the protection network, and the protection network setting is in two sets of support columns 1 both sides, and the protection network can guarantee that the granule soil body drops with the lateral wall fixed connection of support column 1, protection network, improves work area's security.

Preferably, the protection network is vertically and horizontally staggered's reinforcing bar net piece, specifically includes intercrossing and fixed connection's vertical reinforcing bar 8 and first horizontal reinforcing bar 9, and vertical reinforcing bar 8 is along the equidistant setting of vertical direction, and first horizontal reinforcing bar 9 is along the equidistant setting of horizontal direction.

Preferably, the protection net further comprises a second transverse reinforcing steel bar 10 perpendicular to the longitudinal reinforcing steel bar 8, the second transverse reinforcing steel bar 10 is fixedly connected with the longitudinal reinforcing steel bar 8, the diameter of the second transverse reinforcing steel bar 10 is larger than that of the first transverse reinforcing steel bar 9, and the second transverse reinforcing steel bar 10 plays a role in improving the strength of the reinforcing mesh.

It should be noted that the longitudinal steel bars 8 and the first transverse steel bars 9 are all smooth steel bars, the model is HPB300, the diameter is 8mm, the distance between adjacent longitudinal steel bars 8 is 150mm, the distance between adjacent first transverse steel bars 9 is 150mm, the material of the second transverse steel bars 10 is ribbed steel bars, the model is HRB400, the diameter is 14mm, and the distance between adjacent second transverse steel bars 10 is 1000 mm.

The use process comprises the following steps: after the shallow foundation trench or the shallow trench is excavated, two groups of support columns 1 arranged in rows are respectively inserted into the soil body at the bottom of the trench, and the two groups of support columns 1 are respectively abutted against the side wall of the shallow foundation trench or the shallow trench, so that the stability of the soil body is ensured. Waiting to install the pipeline hoist and mount to the tank bottom, erection bracing pole 3 and telescopic link further guarantee the upper end of support column 1 and the lateral wall butt of shallow foundation trench or shallow ditch, and then form stable safe work area, the staff can carry out the construction operation at this moment in the inslot. After the construction is finished, the soil body is backfilled, and the soil body is backfilled to a safe height and then taken out to be used.

The utility model discloses strut and prevent device of collapsing in the construction of shallow foundation pit, to newly-built burying the pipeline engineering underground at current town road, obtain great improvement in the aspect of time for a project, investment comparison. The construction method enables the supporting materials to be fully reused, and various materials required by supporting cannot be wasted. The cost can be obviously reduced, the construction period is greatly shortened, the construction efficiency is improved, the reproducibility is strong, and the method is worthy of popularization and application on urban roads.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. A device that is used for municipal administration shallow foundation ditch or shallow trench support to prevent collapsing, its characterized in that includes:

the device comprises two groups of supporting columns (1) arranged in rows, wherein the lower ends of the supporting columns (1) are inserted into a soil body at the bottom of a groove;

the connecting rods (2) are arranged between two adjacent supporting columns (1) arranged in a row, and two ends of each connecting rod (2) are fixedly connected with the side walls of two adjacent supporting columns (1) arranged in a row respectively;

the transverse supporting component is arranged between the two groups of supporting columns (1), and two ends of the transverse supporting component are respectively abutted to the side walls of the two groups of supporting columns (1).

2. The device of claim 1, wherein the cross brace assembly comprises:

the two support rods (3) are arranged between the two groups of support columns (1), the extension directions of the support rods (3) are the same as the extension directions of the support columns (1) arranged in rows, and the support rods (3) are abutted to the support columns (1);

two telescopic links are arranged between the two support rods (3), two ends of each telescopic link are respectively fixedly connected with the two support rods (3), and the two telescopic links and the two support rods (3) mutually enclose a rectangle.

3. The device for preventing collapse in municipal shallow foundation ditches or shallow trench supports according to claim 2, characterized in that the side walls of the supporting columns (1) are provided with steel corbels (4), and the steel corbels (4) are used for supporting the supporting columns (3).

4. The device of claim 2, wherein the telescoping rod comprises:

one end of the first connecting rod (5) is fixedly connected with one of the supporting rods (3), and a plurality of first through holes (51) penetrate through the other end of the first connecting rod (5) along the length direction of the first connecting rod;

one end of the second connecting rod (6) is fixedly connected with the other supporting rod (3), the other end of the first connecting rod (5) is embedded in the other end of the second connecting rod (6), a second through hole penetrates through the other end of the second connecting rod (6), and the second through hole is opposite to the first through hole (51);

and the fastening piece (7) is detachably connected with the second through hole in a penetrating way and is used for connecting one of the first through hole (51) and the second through hole in a penetrating way so as to realize total length adjustment between the first connecting rod (5) and the second connecting rod (6).

5. The device of claim 4, characterized in that the support column (1) is made of seamless steel pipes, the connecting rod (2) is made of steel pipes, the supporting rod (3) is made of transverse corrugated wood, the second connecting rod (6) is made of H-shaped steel, a rectangular frame is fixedly connected to the other end of the H-shaped steel in the peripheral direction, the H-shaped steel and the rectangular frame are provided with the second through holes in a penetrating mode, the first connecting rod (5) is made of square pipes, the other end of each square pipe is provided with a plurality of first through holes (51) in a penetrating mode, the other end of each square pipe is sleeved with the area, enclosed by the web of the H-shaped steel and the rectangular frame, and the fastener (7) is a bolt.

6. The collapse prevention device for the municipal shallow foundation trench or shallow trench support according to claim 1, further comprising protective nets arranged on two sides of the two groups of supporting columns (1), wherein the protective nets are fixedly connected with the side walls of the supporting columns (1).

7. The device for preventing collapse in municipal shallow foundation or shallow trench support according to claim 6, wherein the protective net comprises longitudinal steel bars (8) and first transverse steel bars (9) that are crossed and fixedly connected with each other, the longitudinal steel bars (8) are arranged at equal intervals in the vertical direction, and the first transverse steel bars (9) are arranged at equal intervals in the horizontal direction.

8. The device for preventing collapse in municipal shallow foundation or shallow trench support according to claim 7, wherein the protective net further comprises a second transverse reinforcement (10) perpendicular to the longitudinal reinforcement (8), the second transverse reinforcement (10) being fixedly connected to the longitudinal reinforcement (8), the diameter of the second transverse reinforcement (10) being greater than the diameter of the first transverse reinforcement (9).

9. The collapse prevention device for the municipal shallow foundation trench or shallow trench support according to claim 8, wherein a bottom plate (11) is fixedly arranged at the bottom end of the supporting column (1), and a sharp-pointed column (12) is arranged on the lower surface of the bottom plate (11).

10. The collapse prevention device for the municipal shallow foundation trench or shallow trench support according to claim 1, further comprising a crown beam (13) arranged at the top ends of the support pillars (1) arranged in a row, wherein the crown beam (13) is fixedly connected with the top ends of the support pillars (1), and the crown beam (13) is made of channel steel.