CN114855827B

CN114855827B - Trench supporting device

Info

Publication number: CN114855827B
Application number: CN202210403206.3A
Authority: CN
Inventors: 方罗兵; 曾友; 杨顺; 杨悦; 彭苇
Original assignee: Fourth Construction Co ltd Of China National Chemical Engineering
Current assignee: Fourth Construction Co ltd Of China National Chemical Engineering
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2023-10-13
Anticipated expiration: 2042-04-18
Also published as: CN114855827A

Abstract

The invention provides a groove supporting device, and belongs to the technical field of groove supporting. The support solves the problem that the support limits construction in the prior art. This slot support device includes: a soil blocking plate for supporting the side walls of the trench; the transverse beam is transversely arranged and used for supporting the soil retaining plate; a brace supported between two opposing beams, the brace being adjustable in length; the support device comprises a transverse beam, wherein the transverse beam is provided with a guide groove along the length direction of the transverse beam, two ends of the support are respectively positioned in the guide grooves of two opposite transverse beams, a support end part positioning groove communicated with the guide groove is arranged below the guide groove, the support end part can enter the positioning groove from the guide groove, and other support end parts can pass through the guide groove above the positioning groove when the support end part is positioned in the positioning groove. The invention can conveniently move along the cross beam, avoids the limitation of the support to construction, can realize more stable positioning and fixing of the support by utilizing the positioning groove, is beneficial to adjusting the sequence of the support and simplifies the operation.

Description

Trench supporting device

Technical Field

The invention belongs to the technical field of groove support, and particularly relates to a groove support device.

Background

In the construction of building foundation or the laying process of underground pipelines and cables, the grooves are required to be excavated, in order to prevent the collapse of the earthwork of the groove walls at two sides of the grooves, the side walls of the grooves at each side are required to be supported by the retaining plates, the retaining plates at each side are arranged one by one along the length direction of the grooves, a plurality of retaining plates at each side are simultaneously supported by one cross beam, the opposite cross beams at two sides of the grooves are supported by a supporting support, the supporting support is a telescopic rod with adjustable length, more supporting supports are required for improving the supporting force, but the existence of the supporting supports influences the continuous excavation and construction of the grooves, workers can only insert the construction in the space between the supporting supports, and the construction is very inconvenient.

Therefore, how to reduce the influence of the bracing on the construction is an urgent need in the industry.

Disclosure of Invention

The invention aims at solving the problems in the prior art and provides a groove supporting device, wherein the supporting of the groove supporting device can be flexibly adjusted according to the construction requirement, so that the limitation on the construction is avoided.

The aim of the invention can be achieved by the following technical scheme: a channel support device comprising: a soil blocking plate for supporting the side walls of the trench; the transverse beam is transversely arranged and used for supporting the soil retaining plate; a brace supported between two opposing beams, the brace being adjustable in length; the support device comprises a transverse beam, wherein the transverse beam is provided with a guide groove along the length direction of the transverse beam, two ends of the support are respectively positioned in the guide grooves of two opposite transverse beams, a support end part positioning groove communicated with the guide groove is arranged below the guide groove, the support end part can enter the positioning groove from the guide groove, and other support end parts can pass through the guide groove above the positioning groove when the support end part is positioned in the positioning groove. When a certain supporting bracket influences the construction at the groove part, the supporting bracket can be slightly shortened, then the end part of the supporting bracket moves along the guide groove, so that the supporting bracket at the position is removed, the limitation of the supporting bracket on the construction is avoided, and the positioning groove can realize more stable positioning and fixing of the supporting bracket and is beneficial to adjusting the sequence of the supporting bracket.

In some embodiments, the bracing ends have rollers that are rollingly engaged within the endless slideway. Thereby facilitating smoother movement of the end portions along the guide grooves.

In some embodiments, the support comprises a middle sleeve with threaded rods fitted at both ends and rollers at the ends. The length of the support can be conveniently adjusted by rotating the threaded sleeve.

In some embodiments, the beam is provided with a positioning through hole, the retaining plate is provided with a positioning jack corresponding to the positioning through hole, and the positioning through hole is connected with the positioning jack through a positioning column. The beam is firmly connected with the soil retaining plate through the positioning column.

In some embodiments, the upper end of the soil retaining plate is rotatably connected to one end of the first support plate through a hinge, the other end of the first support plate is rotatably connected to one end of the second support plate through a hinge, and the other end of the second support plate can be supported on the ground above the groove outwards and can be supported on the cross beam inwards. When the second support plate is supported on the ground above the groove, the first support plate and the second support plate form a blocking wall at the opening edge position of the groove, so that personnel or vehicles on the ground are prevented from falling into the groove.

In some embodiments, the first support plate and the second support plate are each the same width as the retaining plate, the length of the first support plate is half the distance between two opposing retaining plates, and the two opposing first support plates are on the same plane when the second support plate ends are supported on the cross beam. At this time, two opposite first support plates form a plane which is blocked above the groove, thereby not only preventing foreign objects from falling into the groove, but also facilitating the passage of personnel or vehicles on the plane formed by the first support plates, therefore, the influence of traffic on a channel construction team is reduced, when the channel needs to be opened, the first support plate and the second support plate can be opened to two sides above the channel, and the use is convenient.

In some embodiments, the second support plate has a triangular rib at an end, and an included angle formed by the upper side of the beam and the soil retaining plate matches the profile of the triangular rib. So that a larger supporting area is provided between the end of the second supporting plate and the cross beam and between the second supporting plate and the soil retaining plate.

Compared with the prior art, the groove support device has the following advantages:

the support can conveniently move along the cross beam, so that the limitation of the support on construction is avoided, the support can be stably positioned and fixed by utilizing the positioning groove, and the order of the support is also beneficial to adjusting, so that only part of the support is moved when only part of the support is required to be moved for construction, other supports are not required to be moved, and the operation is simplified.

The supporting plate connected by the hinge above the soil retaining plate can be used as a groove guardrail through deformation and also can be used as a covering plate above the groove, so that not only is foreign objects prevented from falling into the groove, but also personnel or vehicles can pass through a plane formed by the first supporting plate conveniently.

Drawings

In the drawings (which are not necessarily drawn to scale), like numerals may describe similar components in different views. Like reference numerals having different letter suffixes may represent different instances of similar components. The drawings illustrate generally, by way of example and not by way of limitation, various embodiments discussed herein.

FIG. 1 is a schematic cross-sectional view of an embodiment;

FIG. 2 is a schematic view of the CC-directed cross-section of FIG. 1;

FIG. 3 is a schematic view of the AA-direction cross-section of FIG. 2;

fig. 4 is a schematic cross-sectional view in BB of fig. 3.

In the figure, a retaining plate 1, a cross beam 2, a positioning column 3, a supporting bracket 4, a roller 5, a guide groove 6, a positioning groove 7, a first supporting plate 8, a second supporting plate 9 and a triangular rib 901.

Detailed Description

The following are specific examples of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these examples, and the following embodiments do not limit the inventions according to the claims. Furthermore, all combinations of features described in the embodiments are not necessarily essential to the inventive solution.

It will be appreciated by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are descriptive of the drawings to aid the reader in understanding, and do not represent (e.g., positional, azimuthal, use, etc.) limitations on the scope of the invention defined by the appended claims. In addition, the term "substantially" may refer to slight imprecision or slight deviation in terms of conditions, amounts, values, or dimensions, some of which are within manufacturing tolerances or tolerances.

Examples

As shown in fig. 1, 2, 3, and 4, a trench supporting device includes a soil blocking plate 1 for supporting a sidewall of a trench, and a plurality of soil blocking plates 1 are sequentially arranged along a length direction of the trench. Several earth-retaining plate 1 is supported by a crossbeam 2, be provided with the location through-hole on the crossbeam 2, be provided with on the earth-retaining plate 1 with the location jack that the location through-hole corresponds, the location through-hole with the location jack passes through reference column 3 to be connected, makes crossbeam 2 with it is more firm to be connected to keep-retaining plate 1 through the reference column.

A supporting brace 4 is supported between two opposite cross beams 2 at two sides of the groove, and the length of the supporting brace 4 is adjustable; the support 4 comprises a middle screw sleeve, screws are matched with the two ends of the screw sleeve, rollers 5 are arranged at the ends of the screws, and the length of the support 4 can be conveniently adjusted by rotating the screw sleeve.

As shown in fig. 2, the guide groove 6 is formed in the cross beam 2 along the length direction of the cross beam 2, two ends of the supporting support 4 are respectively located in two circulating slide ways opposite to the cross beam 2, rollers are arranged at the ends of the supporting support 4, and are matched with the circulating slide ways in a rolling manner, so that the rollers can be directly installed at the ends of the screw rods of the supporting support 4 by adopting bearings for simplicity, and the moving of the ends along the guide groove 6 is facilitated.

The lower part of the guide groove 6 is provided with a supporting 4 end part positioning groove 7 communicated with the guide groove 6, the supporting 4 end part can enter the positioning groove 7 from the guide groove 6, and when the supporting 4 end part is positioned in the positioning groove 7, other supporting 4 end parts can pass through the guide groove 6 above the positioning groove 7, namely, the depth of the positioning groove 7 is not smaller than the diameter of a supporting 4 end part bearing.

When a certain support 4 affects the construction at the groove part, the support 4 can be slightly shortened, then the end part of the support 4 moves along the guide groove 6, so that the support 4 at the position is removed, and the limitation of the support 4 on the construction is avoided. The positioning groove 7 can realize more stable positioning and fixing of the supporting rods 4 and is also beneficial to adjusting the sequence of the supporting rods 4, so that when only partial supporting rods 4 need to be moved for construction, only the partial supporting rods 4 need to be moved, other supporting rods 4 do not need to be moved, and the operation is simplified.

Further, the upper end of the soil retaining plate 1 is rotatably connected with one end of the first support plate 8 through a hinge, the other end of the first support plate 8 is rotatably connected with one end of the second support plate 9 through a hinge, the other end of the second support plate 9 is a free end, and the second support plate 9 faces the inner side of the groove so that the free end of the second support plate 9 can be supported on the cross beam 2. The free end of the second supporting plate 9 is provided with a triangular rib 901, the included angle formed by the upper side of the cross beam 2 and the retaining plate 1 is matched with the outline of the triangular rib, and the included angle formed by the upper side of the cross beam 2 and the retaining plate 1 in the embodiment is 90 degrees, so that the included angle formed by the two sides of the edge of the triangular rib is also 90 degrees, and the end part of the second supporting plate 9 is provided with a larger supporting area with the cross beam 2 and the retaining plate 1. The widths of the first support plate 8 and the second support plate 9 are the same as the width of the retaining plate 1, the length of the first support plate 8 is half of the distance between the two opposite retaining plates 1, so that when the end parts of the second support plate 9 are supported on the cross beam 2, the two opposite first support plates 8 are positioned on the same plane, as shown in fig. 3, at the moment, the two opposite first support plates 8 form a plane which is shielded above the groove, thereby preventing external objects from falling into the groove and facilitating personnel or vehicles to pass through the plane formed by the first support plates 8, reducing the influence of traffic on the construction team of the groove, and being convenient to use, when the groove needs to be opened, only the first support plates 8 and the second support plates 9 are opened to the two sides above the groove.

In the case of trench construction, it is sometimes necessary to prevent personnel or vehicles on the ground from falling into the trench, and therefore, it is necessary to provide a stopper along the edge of the trench, which corresponds to a guardrail, but this is not only quite troublesome, but also the independent guardrail is weak. With the structure of this embodiment, the other end of the second support plate 9 is supported outwards on the ground above the groove, as shown in fig. 1, and the first support plate 8 and the second support plate 9 form a blocking wall at the position of the edge of the groove, so as to prevent personnel or vehicles on the ground from falling into the groove.

Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and the drawings may be any order as long as the order is not particularly limited, and the output of the preceding process is not used in the following process. The use of the description of "first", "next", etc. for convenience of description does not imply that the operations must be performed in such order.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A channel support device, comprising:

a soil blocking plate for supporting the side walls of the trench;

the transverse beam is transversely arranged and used for supporting the soil retaining plate;

a brace supported between two opposing beams, the brace being adjustable in length;

the support device comprises a beam, a support and a support, wherein the beam is provided with a guide groove along the length direction, two ends of the support are respectively positioned in the guide grooves of two opposite beams, a support end part positioning groove communicated with the guide groove is arranged below the guide groove, the support end part can enter the positioning groove from the guide groove, and other support end parts can pass through the guide groove above the positioning groove when the support end part is positioned in the positioning groove; the end part of the support is provided with a roller which is in rolling fit in the circulating slideway; the support comprises a middle screw sleeve, two ends of the screw sleeve are matched with screws, and the end parts of the screws are provided with idler wheels; the upper end of the soil retaining plate is rotationally connected with one end of a first supporting plate through a hinge, the other end of the first supporting plate is rotationally connected with one end of a second supporting plate through a hinge, the other end of the second supporting plate can be outwards supported on the ground above the groove, and can be inwards supported on the cross beam; the widths of the first supporting plate and the second supporting plate are the same as the widths of the soil retaining plates, the length of the first supporting plate is half of the distance between two opposite soil retaining plates, and when the end parts of the second supporting plate are supported on the cross beam, the two opposite first supporting plates are positioned on the same plane; the end part of the second supporting plate is provided with a triangular convex rib, and an included angle formed by the upper side of the cross beam and the soil retaining plate is matched with the outline of the triangular convex rib.

2. The groove support device according to claim 1, wherein a positioning through hole is formed in the cross beam, a positioning insertion hole corresponding to the positioning through hole is formed in the retaining plate, and the positioning through hole is connected with the positioning insertion hole through a positioning column.