Movable municipal pipeline supporting device

Abstract

The utility model belongs to the technical field of groove supporting, and particularly relates to a movable municipal pipeline supporting device. Comprising supporting baffles, and a plurality of supporting rods are connected between the two supporting baffles. The two sets of supporting baffles are supported on the side slopes on the two sides of the foundation trench through the supporting rods correspondingly. The length of the supporting rod is adjustable, and the two ends of the supporting rod are hinged to the supporting baffles. The top of the supporting baffle is connected with a floor, an included angle between the floor and the supporting baffle can move, a guardrail is arranged around the floor, a ladder stand is arranged on the supporting baffle, and the guardrail is provided with a guardrail door at the position of the ladder stand; according to the design of the supporting device, the problems that a traditional supporting device is poor in adaptability, low in construction efficiency, insufficient in safety and the like are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of trench support, and particularly relates to a movable municipal pipeline support device. BACKGROUND

[0002] With the accelerated urbanization construction of China, the scale and complexity of municipal pipeline projects are increasing. In municipal pipeline construction, foundation pit excavation and pipeline installation are important links, and safety, support efficiency and operation convenience in the construction process directly affect the engineering quality and construction progress. However, the existing foundation pit support device has the following shortcomings in actual application:

[0003] (1) Poor adaptability: Most of the traditional support devices are designed with fixed angles, and cannot be flexibly adjusted according to the slope change during foundation pit excavation, especially under different batter conditions, the support cannot fully adhere to the two side slopes, affecting the overall stability.

[0004] (2) Insufficient construction safety: The edge operation of the foundation pit is often accompanied by risks such as landslides and collapses (especially the soil quality of the project location is mainly silty sand), and most of the existing support devices lack protection measures, which cannot effectively protect the safety of construction personnel. In addition, the movement of workers in the foundation pit usually requires separate setting of ladders or climbing tools, which has certain hidden dangers.

[0005] (3) Complex installation and low efficiency: The traditional support device is usually composed of multiple independent components, and the installation and disassembly process is complex, time-consuming, and difficult to adapt to the fast-paced construction demand.

[0006] Based on the demand for safety, efficiency and flexibility in modern construction, a movable municipal pipeline support device is designed to ensure the safety of workers in the underground pipeline foundation trench under special geological conditions, in addition to the necessary design of two side batters. UTILITY MODEL CONTENTS

[0007] An object of the utility model is to solve at least the above problems and provide at least the advantages to be explained later.

[0008] The utility model provides the following technical scheme: A movable municipal pipeline support device, comprising support baffles, a plurality of support rods are connected between the two groups of support baffles; the support rods top each of the two groups of support baffles on the two side slopes of the foundation trench; the length of the support rod is adjustable, and the two ends of the support rod are hinged to the support baffle; the top of the support baffle is connected with a floor, the included angle between the floor and the support baffle can be moved, a guardrail is arranged around the floor, a ladder is arranged on the support baffle, and a guardrail door is arranged at the position of the ladder.

[0009] Further, the support rod comprises two screw rods rotating in opposite directions, the proximal ends of the two screw rods are screwed with the screw rod adjusting sleeve from both sides, and the distal ends of the two screw rods are hinged with the support baffle.

[0010] Further, the support baffle comprises a steel template, main keels and secondary keels, the main keels and the secondary keels are installed on one side of the steel template away from the side slope of the foundation trench, the main keels are arranged in a circle around the periphery of the steel template, and the secondary keels are distributed in the frame surrounded by the main keels and are divided into a plurality of rectangular grids; the screw rod is connected at the nodes of the secondary keels or the nodes of the secondary keels and the main keels.

[0011] Further, the support baffle is provided with lifting lugs, the lifting lugs are connected with the main keels, and are located at the nodes of the main keels and the secondary keels.

[0012] Further, the support rod is arranged in a plurality of columns in the transverse direction, and each column is arranged in a plurality of layers in the longitudinal direction.

[0013] Further, the bottom edge of the support baffle is connected with a compensation baffle, the compensation baffle comprises a plurality of unit plates hingedly connected in sequence and a plurality of bolts, the first unit plate at the top is fixedly connected with the support baffle, vertical sleeves are arranged on the unit plates, the sleeves of the unit plates are aligned, and the bolts pass through the sleeves to combine the unit plates into a whole plate.

[0014] Further, the ladder and the guardrail are connected through a chain.

[0015] Compared with the prior art, the advantages of the utility model lie in that:

[0016] The movable municipal pipeline supporting device is mainly composed of support baffles on both sides and a support rod in the middle, the support rod in the middle is adjusted to support the side slopes of the foundation trench and flexibly adjust the inclination angles of the support baffles on both sides, so as to adapt to the foundation pit supporting requirements of different sloping conditions.

[0017] (1) Multifunctionality and high adaptability: the supporting device adopts adjustable angle support baffle support design on both sides, and is equipped with a middle screw rod adjusting mechanism, so that the inclination angles on both sides can be accurately adjusted according to the requirements of the foundation pit slope, the supporting structure is closely attached to the slope surface, and the stability and safety of the supporting effect are improved.

[0018] (2) Convenient personnel passing design: the inside of the supporting device is provided with a steel ladder, which facilitates the quick up and down movement of construction personnel, reduces the need for separately setting up a ladder, and improves the construction convenience and efficiency.

[0019] (3) All-round safety guarantee: the supporting device is provided with a guardrail at the upper part, which can effectively prevent accidents from falling when workers work at the edge of the foundation pit; at the same time, the supporting structure on both sides is stable, forming a safe working environment and guaranteeing the safety of the construction personnel.

[0020] (4) mobility and installation convenience: the device side is provided with lifting lugs, which can be easily moved in the base groove by mechanical dragging; modular design reduces assembly time and is easy to disassemble, suitable for rapid deployment requirements.

[0021] In summary, the movable municipal pipeline supporting device realizes innovation breakthrough in functionality, safety and adaptability. Not only solves many problems of the existing supporting device, but also better meets the dual requirements of efficiency and safety of construction under sandy soil conditions, and has a wide application prospect in municipal engineering. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a use schematic diagram of the movable municipal pipeline supporting device;

[0023] Figure 2 is a structure schematic diagram of the movable municipal pipeline supporting device of embodiment 1;

[0024] Figure 3 is a structure schematic diagram of the movable municipal pipeline supporting device of embodiment 2;

[0025] Figure 4 is Figure 3 is an enlarged view of A in figure.

[0026] In the figure: 1-supporting baffle;1.1-steel formwork;1.2-main keel;1.3-secondary keel;1.4-lifting lug;2-strut;2.1-screw;2.2-screw adjusting sleeve;3-floor;4-rail;5-crawling ladder;6-compensation baffle;6.1-bolt;6.2-unit plate;6.3-sleeve;7-base groove;8-pipeline;9-rail door. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0028] Embodiment 1

[0029] The utility model provides a movable municipal pipeline support device, including support baffle 1, a plurality of support bars 2 are connected between two groups of support baffle 1, support bar 2 supports two groups of support baffle 1 respectively on the two side slopes of foundation groove, the length of support bar 2 is adjustable, and the both ends of support bar 2 are hinged with support baffle 1, the top of support baffle 1 is connected with floor 3, and the included angle between floor 3 and support baffle 1 before is movable, and guardrail 4 is arranged around floor 3, and support baffle 1 is provided with ladder 5, and guardrail 4 is provided with guardrail door 9 at the position of ladder 5, guaranteeing the safety of the side of foundation groove.

[0030] Support bar 2 includes two screw rods 2.1 of opposite rotation, and the proximal ends of the two screw rods 2.1 are screwed from both sides with a screw rod adjusting sleeve 2.2, and the distal ends of the two screw rods 2.1 are hinged with the support baffle 1.

[0031] Support baffle 1 includes a steel formwork 1.1, a main keel 1.2 and a secondary keel 1.3, the main keel 1.2 and the secondary keel 1.3 are installed on one side of the steel formwork 1.1 away from the side slope of the foundation groove, the main keel 1.2 is arranged in a circle around the steel formwork 1.1, and the secondary keel 1.3 is distributed in the frame formed by the main keel 1.2 and divided into a plurality of rectangular grids; the screw rod 2.1 is connected at the nodes of the secondary keel 1.3 and the secondary keel 1.3 or the secondary keel 1.3 and the main keel 1.2. The support baffle 1 is provided with double hinged ears, and the end of the screw rod 2.1 is provided with a single hinged ear, which is inserted between the double hinged ears and connected by bolts.

[0032] The steel formwork 1.1 is made of 5mm thick embossed steel plate, the main keel 1.2 is a square steel with a width of 100mm and a height of 100mm, which is welded to the steel formwork 1.1 to ensure the firmness of the overall structure. The intermediate secondary keel 1.3 is made of 3*3 (3 up and down, 3 left and right) 100mm*80mm square steels, which are welded together to effectively support the steel formwork 1.1 and connect with the surrounding main keel 1.2 to ensure the integrity of the support baffle 1 and prevent deformation of the support baffle 1 caused by soil pressure on both sides. The support baffle 1 transmits the soil pressure on both sides to the intermediate support bar 2, and the stability of the side slopes on both sides of the foundation groove is ensured by balancing the pressure on both sides.

[0033] The support bar 2 is arranged in several columns along the transverse direction, and each column is arranged in several layers along the longitudinal direction. A total of 9 adjustable screw rods with a diameter of 200mm are used to withstand the soil pressure transmitted by the support baffles 1 on both sides to ensure the stability of the support, and the length of the upper and lower screw rods is elongated to adjust the inclination angle of the support baffle 1 to ensure that the support baffles 1 on both sides closely fit the side slope surface of the foundation groove.

[0034] The support baffle 1 is provided with an ear 1.4, which facilitates the left and right movement of the support baffle 1 when the working face is replaced, and is connected with the main keel 1.2 and located at the joint of the main keel 1.2 and the secondary keel 1.3.

[0035] The ladder 5 and the guardrail 4 are connected through a chain, which ensures the safety of workers when the angle of the support baffle 1 changes.

[0036] The use steps of the movable municipal pipeline support device are as follows:

[0037] I. Hoisting of the support baffle

[0038] After the support baffle 1 is transported to the construction site, it is hoisted into the foundation trench by a crane, ensuring that the outer side of the support baffle 1 is tightly attached to the side slope on both sides of the foundation trench, and the position is preliminarily adjusted for subsequent support.

[0039] II. Installation of the integrated edge protection guardrail

[0040] After the support baffle 1 is hoisted, the integrated edge protection guardrail (the combination of the floor 3 and the guardrail 4) is hoisted by the crane, fixed to the bolt connection point on the top of the support baffle 1, bolted and tightened, and the integrated edge protection guardrail is ensured to be stable and reliable.

[0041] III. Installation and adjustment of the support rod

[0042] After the installation of the integrated edge protection guardrail is completed, the support rod 2 is installed in sequence. The sleeve wrench is used to adjust the sleeve 2.2, so that the inclination angle of the support baffle 1 is consistent with the angle of the slope, and the support baffle 1 is tightly attached to the side slope, achieving stable support effect.

[0043] IV. Pipeline installation construction

[0044] After the adjustment of the support rod 2 is completed, the workers perform pipeline installation work in the support space formed by the support baffle 1, ensuring the safety and stability of the work space.

[0045] V. Movement of the support device

[0046] After the current section construction is completed, the support rod 2 is loosened to release the support force on the support baffle 1. Then the excavator is used to pull the support device to the next construction position through the ear 1.4 on the support baffle 1.

[0047] VI. Repeated support and construction

[0048] After the support device is moved to a new position, the length of the support rod 2 is adjusted to complete the support adjustment, ensuring that the support baffle 1 is tightly attached to the side slope, and then the pipeline installation construction is continued, and the above operations are repeated until the task is completed.

[0049] The design of the supporting device of the present embodiment optimizes the problems of poor adaptability, low construction efficiency and insufficient safety of traditional supporting devices. The specific technical effects and advantages are as follows:

[0050] (1) Multifunctionality and high adaptability

[0051] The supporting device adopts the design of two side support baffles 1 and an adjustable middle support rod 2, which can flexibly adjust the support angle according to the slope change of the two sides of the foundation trench, ensuring that the support baffles 1 are tightly attached to the slope surface and enhancing the overall stability of the foundation trench slope. At the same time, the support baffles 1 are structurally strong, supported by multiple main keels 1.2 and secondary keels 1.3, and externally provided with embossed steel plates, which can effectively resist large soil pressure and are suitable for various complex geological conditions (such as silty sand).

[0052] (2) Construction safety is significantly improved

[0053] Integrated protective guardrails are provided on both sides of the device, effectively preventing accidental falling of workers during construction at the edge of the foundation trench. The guardrails are painted with yellow and black safety warning colors, further enhancing the effect of on-site safety management. Climbing ladders 5 are installed on the support baffles 1 on both sides, facilitating the up and down of construction personnel in the foundation trench, and guardrail doors 9 are provided above the climbing ladders 5. The support rod 2 is designed with high-strength hinged joints at the support point position, and thickened support steel plates are added at the key parts of the support baffles 1, effectively dispersing soil pressure and improving overall stability.

[0054] (3) Easy to install and use efficiently

[0055] The device adopts modular design, with the support baffles 1, support rods 2 and integrated edge protection guardrails assembled in blocks and connected by bolted joints, facilitating transportation, installation and disassembly, reducing construction preparation time and improving construction efficiency. The support baffles 1 are provided with lifting lugs, facilitating the horizontal movement or position adjustment of the device by excavators or cranes, allowing quick replacement of the construction work surface to meet the fast-paced construction demand.

[0056] (4) Mobility and reusability

[0057] The device structure is compact, easy to disassemble and transfer, and can be recycled, reducing construction material waste and meeting environmental protection and cost saving requirements. The lifting lugs and sliding design allow the device to move flexibly between different work surfaces, especially suitable for long-distance municipal pipeline construction projects.

[0058] (5) Durability and economy

[0059] The main body of the supporting device is made of steel, and all steel plates and keels are sprayed with corrosion-resistant coating, with excellent corrosion resistance and adaptability to long-term construction environment. The highly standardized component design facilitates later maintenance and replacement, reducing equipment maintenance costs.

[0060] (6) Construction quality guarantee

[0061] The high rigidity design of the support baffle 1 combined with the adjustable support rod 2 effectively prevents soil collapse caused by unstable base trench slope, providing a solid support environment for pipeline construction. Workers operate more conveniently and safely during construction, reducing quality problems or engineering accidents caused by improper support, and improving construction efficiency and quality.

[0062] Embodiment 2

[0063] As shown in Figure 3 , Figure 4 : on the basis of embodiment 1, the bottom edge of the support baffle 1 is connected with a compensation baffle 6, the compensation baffle 6 includes a bolt 6.1 and a plurality of unit plates 6.2 hingedly connected at the head and tail, the first unit plate 6.2 at the top is fixedly connected with the support baffle 1, a vertical sleeve 6.3 is arranged on the unit plate 6.2, the sleeves 6.3 between the unit plates 6.2 are aligned, and the bolt 6.1 penetrates into the sleeves 6.3 to combine the unit plates 6.2 into a whole plate. When the length of the base trench slope changes, the number of the unit plates 6.2 connected by the bolt 6.1 is adjusted to adjust the support length of the compensation baffle 6, and the unit plates 6.2 not connected by the bolt 6.1 can rotate freely; in this way, the support length of the support baffle 1 plus the compensation baffle 6 matches the length of the base trench slope.

[0064] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should be consistent with the widest scope of principles and novel features disclosed herein.

Claims

1. A mobile municipal pipeline support device, characterized in that: Includes a support baffle (1), and several struts (2) are connected between the two sets of support baffles (1); the struts (2) support the two sets of support baffles (1) on the two sides of the foundation trench respectively; the length of the struts (2) is adjustable, and the two ends of the struts (2) are hinged to the support baffles (1); the top of the support baffles (1) is connected to a floor (3), the angle between the floor (3) and the support baffles (1) is movable, a guardrail (4) is set around the floor (3), a ladder (5) is set on the support baffles (1), and a guardrail gate (9) is set at the position of the ladder (5) on the guardrail (4).

2. The movable municipal pipeline support device according to claim 1, characterized in that: The support rod (2) includes two lead screws (2.1) with opposite directions of rotation. The near ends of the two lead screws (2.1) are screwed into the lead screw adjusting sleeve (2.2) from both sides, and the far ends of the two lead screws (2.1) are hinged to the support baffle (1).

3. A movable municipal pipeline support device according to claim 2, characterized in that: The supporting baffle (1) includes a steel template (1.1), a main keel (1.2) and a secondary keel (1.3). The main keel (1.2) and the secondary keel (1.3) are installed on the side of the steel template (1.1) facing away from the slope of the foundation trench. The main keel (1.2) is arranged in a ring around the steel template (1.1). The secondary keel (1.3) is distributed in the frame enclosed by the main keel (1.2) and divided into multiple rectangular grids. The threaded rod (2.1) is connected at the node between the secondary keel (1.3) and the secondary keel (1.3) or between the secondary keel (1.3) and the main keel (1.2).

4. A movable municipal pipeline support device according to claim 3, characterized in that: The support baffle (1) is provided with a lifting lug (1.4), which is connected to the main keel (1.2) and located at the node between the main keel (1.2) and the secondary keel (1.3).

5. A movable municipal pipeline support device according to claim 3, characterized in that: The support rods (2) are arranged in several columns along the transverse direction, and each column is arranged in several layers along the longitudinal direction.

6. A movable municipal pipeline support device according to claim 1, characterized in that: The bottom edge of the support baffle (1) is connected to a compensation baffle (6). The compensation baffle (6) includes bolts (6.1) and several unit plates (6.2) that are hinged end to end. The first unit plate (6.2) at the top is fixedly connected to the support baffle (1). Vertical sleeves (6.3) are provided on the unit plates (6.2). The sleeves (6.3) between the unit plates (6.2) are aligned. The bolts (6.1) are inserted into the sleeves (6.3) to combine several unit plates (6.2) into a whole plate.

7. A movable municipal pipeline support device according to claim 1, characterized in that: The ladder (5) and the guardrail (4) are connected by chains.

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