CN219080358U

CN219080358U - Soil and stone excavation supporting device for pre-buried marine engineering building pipeline

Info

Publication number: CN219080358U
Application number: CN202320980555.1U
Authority: CN
Inventors: 李天衎; 王韬; 王帅; 李逢春; 刘晓英
Original assignee: Qingjian Group Co Ltd
Current assignee: Qingjian Group Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-05-26
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to the technical field of earth and stone supporting tools, in particular to an earth and stone excavation supporting device pre-buried in a marine engineering building pipeline, which comprises an outer supporting cylinder, wherein a supporting base is fixedly arranged at the bottom of the outer supporting cylinder and used for increasing the contact area between the outer supporting cylinder and sand stone and avoiding collapse, an inner supporting cylinder is arranged in the outer supporting cylinder, a plurality of pressure resistant plates are fixedly arranged between the inner supporting cylinder and the inner wall of the outer supporting cylinder and used for improving the pressure resistance, impact resistant plates are fixedly arranged on the top surface of the outer supporting cylinder and used for impact resistant protection, end bolt rings are fixedly arranged at two ends of the outer supporting cylinder and fixedly connected with each other through fastening bolts, and a vertical supporting plate used for supporting is fixedly arranged between the top wall of a hollow cavity and the outer supporting cylinder. The utility model has firm and stable structure and strong compression resistance, and is beneficial to prolonging the service life.

Description

Soil and stone excavation supporting device for pre-buried marine engineering building pipeline

Technical Field

The utility model relates to the technical field of earth and stone supporting tools, in particular to an earth and stone excavation supporting device for embedding a marine engineering building pipeline.

Background

The ocean engineering construction industry refers to construction engineering construction and preparation activities thereof for ocean production, transportation, entertainment, protection and other purposes performed on the sea, the seabed and the coast, and comprises harbor construction, coastal power station construction, coastal dyke construction, ocean tunnel bridge construction, offshore oil and gas field land terminal and treatment facility construction, submarine line pipeline and equipment installation. When the ocean engineering building is constructed, a large number of hydropower lines are required to be paved, namely, the earth and stone sides are required to be excavated underground below the building so as to be used for embedding various pipelines. In order to avoid collapse of sand on both sides of the trench during trench digging, it is generally necessary to use a digging support for supporting the trench.

The conventional foundation pit support is used for binding cushion layer reinforcing steel bars in the market, and a cylindrical excavation supporting device is also partially adopted, so that the cylindrical excavation supporting device can ensure that the stress of each part is more dispersed and is not easy to crush, but the contact area between the bottom of the cylindrical excavation supporting device and the bottom soil is smaller, the attachment area and the attachment force are smaller, when certain collapse occurs at the bottom of a groove, the situation that the cylindrical supporting device is not stable enough due to the fact that the supporting area is small is very easy to occur, and under severe conditions, the cylindrical supporting device can deform along with the collapse, the normal supporting operation of the excavation supporting device is influenced, and inconvenience is brought to a user. In view of the above, we propose a soil and stone excavation supporter for the pre-buried pipeline of the ocean engineering building.

Disclosure of Invention

The utility model aims to provide an earth and stone excavation supporting device for embedding a marine engineering building pipeline so as to solve the defects in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pre-buried earth and stone side excavation eyelidretractor of ocean engineering building pipeline, includes outer support section of thick bamboo, the bottom fixed mounting of outer support section of thick bamboo has the support base, the support base is used for increasing the area of contact of outer support section of thick bamboo and grit, avoids the collapse, the inside of outer support section of thick bamboo is provided with along the interior support section of thick bamboo that outer support section of thick bamboo length direction set up, interior support section of thick bamboo with fixed mounting has a plurality of compressive plates that are cyclic annular equidistant range between the inner wall of outer support section of thick bamboo, compressive plates are used for improving compressive property, fixed mounting has anti-impact plate on the top surface of outer support section of thick bamboo, anti-impact plate is used for anti-impact protection.

Preferably, the section of the anti-collision plate is in an inverted V shape and is used for sand to fall along the surface of the anti-collision plate.

Preferably, both ends of the outer support cylinder are fixedly provided with end bolt rings, and the two end bolt rings which are mutually close are fixedly connected through fastening bolts, so that the two adjacent outer support cylinders can be conveniently fixedly installed.

Preferably, a plurality of support lugs which are annularly and equidistantly arranged are fixedly arranged between the end bolt ring and the outer support cylinder, and the support lugs are used for carrying out support operation on the end bolt ring.

Preferably, the anti-collision plate is internally provided with a hollow chamber, the support base is internally provided with a built-in chamber, and the hollow chamber and the built-in chamber are used for reducing weight.

Preferably, a vertical support plate for supporting is fixedly arranged between the top wall of the hollow cavity and the outer support cylinder, a side support plate is fixedly arranged between the vertical support plate and the cavity walls on two sides of the hollow cavity, and the effect of stable support can be achieved through the vertical support plate and the side support plate, so that the impact resistance effect of the impact-resistant plate is improved.

Preferably, the surface of outer support section of thick bamboo with the anti striking board all is provided with corrosion-resistant layer, through the corrosion-resistant layer of setting up, can play corrosion-resistant protection's effect.

Preferably, the two side edge positions of the supporting base are fixedly provided with tilting arc plates, the section of each tilting arc plate is in a quarter ring shape, and sand and stone can be filled to the bottom of each tilting arc plate along the bottom clearance part of each tilting arc plate.

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

1. according to the utility model, the outer support cylinder is arranged, and the support base is arranged at the bottom of the outer support cylinder, so that when the support base is used, the contact area between the support base and sand can be increased, the support base can be stably placed on the sand, and when a certain collapse occurs at the bottom of the support base close to the center, the support base cannot be influenced to be normally supported on the sand, and the problem that when the traditional cylindrical excavation support is used, when a certain collapse occurs at the bottom of a groove, the cylindrical support is easy to be unstable due to small support area and deforms along with the collapse, so that the normal support operation of the excavation support is influenced, and inconvenience is brought to a user is solved.

2. According to the utility model, the weight of the device can be reduced through the hollow cavity and the built-in cavity, and the performance of compression resistance support can be improved through the arranged inner support cylinder, the compression resistance plate, the anti-collision plate, the vertical support plate and the side support plate, so that the device is not easy to be damaged by compression.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a support base of the present utility model;

fig. 3 is a cross-sectional view of the impact-resistant panel of the present utility model.

The meaning of each reference numeral in the figures is:

1. an outer support cylinder; 10. an end bolt ring; 11. supporting the bump; 12. an inner support cylinder; 121. a pressure resistant plate; 13. an anti-collision plate; 131. a hollow chamber; 132. a vertical support plate; 133. a side support plate; 14. a corrosion resistant layer;

2. a support base; 20. a built-in chamber; 21. and tilting the arc plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the earth and stone excavation supporting device for the marine engineering building pipeline comprises an outer supporting cylinder 1, wherein a supporting base 2 is fixedly arranged at the bottom of the outer supporting cylinder 1, the supporting base 2 is used for increasing the contact area between the outer supporting cylinder 1 and sand and avoiding collapse, and the edge part of the supporting base 2 can still be supported on the sand after collapse occurs at the position, close to the center, of the bottom of the supporting base 2 due to the increase of the contact area between the supporting base 2 and sand, so that the effect of stable supporting is achieved; the tilting arc plates 21 are fixedly arranged at the positions of the two side edges of the supporting base 2, the section of each tilting arc plate 21 is in a quarter ring shape, so that after collapse occurs at the position, close to the tilting arc plate 21, of the supporting base 2, sand and stone are enabled to have fluidity, and the sand and stone can be filled to the bottom of each tilting arc plate 21 along the bottom gap position of each tilting arc plate 21, and the collapse position is filled;

specifically, the inside of outer support section of thick bamboo 1 is provided with the interior support section of thick bamboo 12 that sets up along outer support section of thick bamboo 1 length direction, and a plurality of compressive plates 121 that are cyclic annular equidistant range of fixed mounting between the inner wall of interior support section of thick bamboo 12 and outer support section of thick bamboo 1, and compressive plate 121 is used for improving compressive property, through the interior support section of thick bamboo 12 and the compressive plate 121 that set up, can play further stable effect that supports, improves compressive property.

In this embodiment, an anti-impact plate 13 is fixedly installed on the top surface of the outer support cylinder 1, the anti-impact plate 13 is used for anti-impact protection, the cross section of the anti-impact plate 13 is in an inverted V shape, sand and stone fall along the surface of the anti-impact plate 13, and the falling sand and stone can fill the collapse position of the edge part of the tilting arc plate 21.

Specifically, the two end portions of the outer support cylinder 1 are fixedly provided with end bolt rings 10, and the two end bolt rings 10 which are mutually close to each other are fixedly connected through fastening bolts, so that the two adjacent outer support cylinders 1 can be conveniently fixedly installed.

Further, a plurality of support protrusions 11 are fixedly installed between the end bolt ring 10 and the outer support cylinder 1, and the support protrusions 11 are used for supporting the end bolt ring 10.

In addition, the inside of the impact-resistant plate 13 is provided with a hollow chamber 131, the inside of the support base 2 is provided with a built-in chamber 20, and the hollow chamber 131 and the built-in chamber 20 serve to reduce weight.

It is worth noting that, the vertical support plate 132 for supporting is fixedly installed between the top wall of the hollow cavity 131 and the outer support cylinder 1, the side support plates 133 are fixedly installed between the vertical support plate 132 and the cavity walls on two sides of the hollow cavity 131, and the effect of stable support can be achieved through the vertical support plate 132 and the side support plates 133, and the impact resistance effect of the anti-impact plate 13 is improved.

It is to be noted that the surfaces of the outer support cylinder 1 and the anti-collision plate 13 are both provided with the corrosion-resistant layer 14, the corrosion-resistant layer 14 can be made of a corrosion-resistant waterproof coating, and the provided corrosion-resistant layer 14 can play a role in corrosion protection.

When the earth and stone excavation supporting device pre-buried in the ocean engineering building pipeline is used, the outer supporting cylinder 1 is placed in the excavated groove, the supporting base 2 is supported on sand at the bottom, the anti-impact plate 13 faces upwards, the supporting base 2 can enlarge the contact area with the sand and stone, the supporting on the sand and stone is firmer and more stable, in addition, the anti-impact plate 13, the vertical supporting plate 132 and the side supporting plate 133 can perform compression supporting protection, the inner supporting cylinder 12 and the compression resisting plate 121 in the inside can further perform compression protecting, and the device is more stable and convenient to use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pre-buried earth and stone side excavation eyelidretractor of ocean engineering building pipeline, includes outer support section of thick bamboo (1), its characterized in that: the anti-collision device is characterized in that a support base (2) is fixedly arranged at the bottom of the outer support cylinder (1), the support base (2) is used for increasing the contact area between the outer support cylinder (1) and sand and avoiding collapse, an inner support cylinder (12) arranged along the length direction of the outer support cylinder (1) is arranged inside the outer support cylinder (1), a plurality of annular equally-spaced compression-resistant plates (121) are fixedly arranged between the inner walls of the inner support cylinder (12) and the outer support cylinder (1), the compression-resistant plates (121) are used for improving the compression resistance, and an anti-collision plate (13) is fixedly arranged on the top surface of the outer support cylinder (1) and used for anti-collision protection.

2. The earth-rock excavation supporter of the marine engineering building pipe pre-buried according to claim 1, wherein: the section of the anti-impact plate (13) is in an inverted V shape and is used for sand to fall along the surface of the anti-impact plate (13).

3. The earth-rock excavation supporter of the marine engineering building pipe pre-buried according to claim 1, wherein: the two ends of the outer support cylinder (1) are fixedly provided with end bolt rings (10), and the two end bolt rings (10) which are mutually close are fixedly connected through fastening bolts.

4. A pre-buried earth-rock excavation supporter for a marine engineering building pipe according to claim 3, wherein: a plurality of support lugs (11) which are annularly and equidistantly arranged are fixedly arranged between the end bolt ring (10) and the outer support cylinder (1), and the support lugs (11) are used for carrying out support operation on the end bolt ring (10).

5. The earth-rock excavation supporter of the marine engineering building pipe pre-buried according to claim 1, wherein: the anti-collision plate (13) is internally provided with a hollow cavity (131), the support base (2) is internally provided with a built-in cavity (20), and the hollow cavity (131) and the built-in cavity (20) are used for reducing weight.

6. The ocean engineering construction pipeline pre-buried earth-rock excavation supporter of claim 5, wherein: a vertical supporting plate (132) for supporting is fixedly arranged between the top wall of the hollow cavity (131) and the outer supporting cylinder (1), and side supporting plates (133) are fixedly arranged between the vertical supporting plate (132) and the cavity walls on two sides of the hollow cavity (131).

7. The earth-rock excavation supporter of the marine engineering building pipe pre-buried according to claim 1, wherein: the surfaces of the outer support cylinder (1) and the anti-collision plate (13) are provided with corrosion resistant layers (14).

8. The earth-rock excavation supporter of the marine engineering building pipe pre-buried according to claim 1, wherein: the two side edges of the supporting base (2) are fixedly provided with tilting arc plates (21), and the section of each tilting arc plate (21) is in a quarter ring shape.