Supporting device for fast laying of narrow deep foundation pit pipeline

Abstract

The utility model discloses a supporting device for fast laying of a narrow deep foundation pit pipeline, which relates to the technical field of municipal pipelines and comprises a left supporting component, a right supporting component and a telescopic component capable of adjusting the distance between the left supporting component and the right supporting component. The two ends of the telescopic assembly are fixedly connected with the left supporting assembly and the right supporting assembly correspondingly. The utility model is helpful for realizing the rapid laying of the pipeline of the narrow deep foundation pit, ensuring the excavation, support and backfill of the narrow deep foundation pit, ensuring the stability and safety of the foundation pit, is especially suitable for the laying of the pipeline of the narrow deep foundation pit with poor geological conditions, and reduces the influence on the passage of pedestrians and vehicles to the greatest extent; and the occurrence of safety accidents is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal pipelines, and more specifically to the technical field of supporting devices used for rapid laying of pipelines in narrow and deep foundation pits. Background Art

[0002] During the laying of municipal sewage pipes, rainwater pipes and other pipes, especially in municipal road reconstruction projects that have been put into use, in order to minimize the impact on pedestrians and vehicles, it is necessary to dig and fill at the same time. Especially when the geological conditions in the pre-buried area of ​​the pipeline are poor, in addition to digging to the required depth, it is also necessary to ensure the stability of the foundation pit and prevent the collapse of the narrow vertical foundation pit.

[0003] How to quickly and efficiently excavate and backfill pipeline trenches in narrow and deep foundation pits, ensure the safety of pipeline laying construction, avoid safety accidents caused by foundation pit collapse, and shorten the impact on roads that have been put into use has become an urgent problem to be solved. Utility Model Content

[0004] The purpose of the utility model is to solve the above technical problems and provide a support device for fast laying of narrow deep foundation pit pipelines, which is helpful to realize the laying of pipelines in narrow deep foundation pits, realize fast excavation, support and backfilling of foundation pits, and minimize the impact on the municipal engineering projects put into use.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0006] The utility model provides a supporting device for the rapid laying of narrow deep foundation pit pipelines, comprising a left supporting assembly, a right supporting assembly, and a telescopic assembly capable of adjusting the distance between the left supporting assembly and the right supporting assembly, wherein the left supporting assembly and the right supporting assembly are symmetrically arranged, and two ends of the telescopic assembly are respectively fixedly connected to the left supporting assembly and the right supporting assembly.

[0007] In one embodiment, the left support assembly includes a left support frame and a left earth retaining back plate arranged on the left side of the left support frame.

[0008] Specifically, the left retaining plate is located at the outermost edge of the left support frame of the support device and is fixed to the left support frame by welding. The left retaining plate realizes the retaining effect of the foundation pit adjacent to the left retaining plate after the foundation pit is excavated, thereby preventing the vertical foundation pit earth from collapsing into the narrow and deep foundation pit, causing the foundation pit and pipeline to be buried.

[0009] In one embodiment, the left support frame includes two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

[0010] In one embodiment, the right support assembly includes a right support frame and a right earth retaining back plate arranged on the right side of the right support frame.

[0011] Specifically, the right retaining plate is located at the outermost edge of the right support frame of the support device and is fixed to the right support frame by welding. This right retaining plate realizes the retaining effect of the foundation pit adjacent to the right retaining plate after the foundation pit is excavated, thereby preventing the vertical foundation pit earth from collapsing into the narrow and deep foundation pit, causing the foundation pit and pipeline to be buried.

[0012] In one embodiment, the right support frame includes two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

[0013] In one embodiment, the tops of the left support assembly and the right support frame are both provided with top embedding grooves, and the bottoms of the left support assembly and the right support frame are both provided with bottom embedding grooves.

[0014] Specifically, the left support frame and the right support frame have a top embedding groove and a bottom embedding groove respectively, so as to realize the upper and lower splicing of the support frames.

[0015] The top embedded groove is located at the top of the left support frame and the right support frame. There is a docking bolt hole on the left and right sides of the top embedded groove to fix the position after docking. The top embedded groove and the bottom embedded groove are used to dock the support frame when the price is high, ensuring that it is suitable for narrow pipeline foundation pits of different depths.

[0016] The bottom embedded groove is located at the bottom of the left support frame and the right support frame. There is a docking bolt hole on the left and right sides of the bottom embedded groove to fix the position after docking. The top embedded groove and the top embedded groove are used to dock the support frame when the price is high, ensuring that it is suitable for narrow pipeline foundation pits of different depths.

[0017] The butt bolts are used to fix the top embedded groove and the bottom embedded groove through the butt bolt holes on both sides of the top embedded groove and the bottom embedded groove to ensure the consistency of the position.

[0018] In one embodiment, the telescopic assembly includes a plurality of telescopic components, each of which includes a support tube and a telescopic tube sleeved inside the support tube, a plurality of adjustment holes are arranged on the telescopic tube at intervals along the axial direction, the axis of each adjustment hole is orthogonal to the axis of the telescopic tube, a fixing hole is arranged on the support tube near one end of the telescopic tube, the fixing hole cooperates with the adjustment hole, and is locked by a fixing pin assembly.

[0019] Specifically, the telescopic tubes are located around the right support frame, with two on the top and two on the bottom, and are connected to the vertical steel rectangular tube of the left support frame by welding through four hollow steel pipes; the outer diameter of the telescopic tube is basically the same as the inner diameter of the support tube (slightly smaller), and there is a row of adjustment holes with equal spacing on the non-fixed end of the telescopic tube, which can cooperate with the telescopic tube to adjust the width of the foundation pit.

[0020] The adjustment holes are circular holes located at the vertical position of the telescopic tube, which are evenly arranged at a certain interval and matched with the fixing holes on the support tube. The support tube and the telescopic tube are fixed by a large pin shaft.

[0021] The fixing hole is a circular hole located at the adjustable end of the support tube, and matches with the fixing hole on the telescopic tube, and the support tube and the telescopic tube are fixed by a large pin shaft.

[0022] The support pipes are located around the left support frame, with two on the top and two on the bottom. A total of four hollow steel pipes are connected to the vertical steel rectangular tube of the left support frame by welding. There is a fixed hole on the non-fixed end of the support pipe. The inner diameter of the support pipe is slightly larger than that of the telescopic pipe. The width of the foundation pit can be adjusted by cooperating with the telescopic pipe.

[0023] In one embodiment, the fixing pin assembly includes a large latch pin, a small latch pin and a latch pin spring, the small latch pin passes through a pin hole of the large latch pin, and the latch pin spring passes through the pin hole of the small latch pin.

[0024] Specifically, after the large pin is used to adjust the telescopic tube according to the width of the excavated foundation pit on site, the large pin is inserted into the adjustment hole to fix the support tube and the telescopic tube, ensuring that the support tube and the telescopic tube are not squeezed and deformed under the side soil pressure;

[0025] After the small pin is fixed in place, the small pin is inserted into the bottom round hole of the large pin to fix the position of the large pin through the small pin.

[0026] The latch spring is located on the small pin shaft, and the small pin shaft is fixed through the reserved circular hole shaft at the end of the small pin shaft to ensure that the small pin shaft will not change position due to use, thereby forming a fixing system to fix the large pin shaft.

[0027] In one embodiment, a towing point is provided on both the left support frame and the right support frame.

[0028] Specifically, the dragging points are located at the upper positions of the vertical steel rectangular tubes of the left support frame and the right support frame, and the support frame can be moved forward and backward by using the dragging points through a crane and a steel wire rope.

[0029] In one embodiment, lifting points are provided on both the left support frame and the right support frame.

[0030] Specifically, the lifting points are located at both sides of the uppermost transverse steel rectangular tubes of the left support frame and the right support frame, and the support frame is lifted up by using the lifting points with a crane and a steel wire rope.

[0031] Working principle: The support device can be used alone or in combination. When used in combination:

[0032] In order to expand the scope of use of this support device, when the excavation pit is deep and support is required, the support device can be spliced ​​and used according to the depth of the foundation pit. In order to better explain this device, the support device is divided into an upper support device and a lower support device.

[0033] The upper support device is an independent support device with the above components. It is mainly used for narrow and deep foundation pits. When a single support device cannot meet the retaining height, it is necessary to connect and fix it with the top embedded groove of the lower support device through the bottom embedded groove of the upper support device through docking bolts to achieve foundation pit support of different depths of narrow and deep foundation pits.

[0034] The bottom connecting grooves of the lower supporting device and the upper supporting device and the top connecting grooves of the lower supporting device are fixed by butt bolts, so as to realize the foundation pit support of different depths of narrow and deep foundation pits.

[0035] The beneficial effects of the utility model are as follows:

[0036] The utility model has a reasonable design. The use of this support device is helpful to realize the rapid laying of pipelines in narrow deep foundation pits, ensure the excavation, support and backfilling of narrow deep foundation pits, ensure the stability and safety of foundation pits, and is particularly suitable for laying pipelines in narrow deep foundation pits with poor geological conditions, which can minimize the impact on the passage of pedestrians and vehicles and effectively avoid the occurrence of safety accidents. At the same time, this support device can be reused to save construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the utility model;

[0038] Figure 2 yes Figure 1 A directional view of

[0039] Figure 3 yes Figure 2 Schematic diagram after the spacing is expanded;

[0040] Figure 4 yes Figure 1 Explosion photos;

[0041] Figure 5 It is a schematic diagram of the splicing of multiple support devices;

[0042] Figure markings: 1-left support frame, 2-left retaining back plate, 3-top embedded Cao, 4-support pipe, 5-bottom embedded Cao, 6-right support frame, 7-right retaining back plate, 8-telescopic pipe, 9-fixing pin assembly, 10-lower supporting device, 11-upper supporting device. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0044] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0046] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] Example 1

[0048] like Figures 1 to 5 As shown, this embodiment provides a support device for rapid laying of narrow deep foundation pit pipelines, including a left support assembly, a right support assembly, and a telescopic assembly capable of adjusting the distance between the left support assembly and the right support assembly. The left support assembly and the right support assembly are symmetrically arranged, and both ends of the telescopic assembly are fixedly connected to the left support assembly and the right support assembly, respectively.

[0049] Example 2

[0050] This embodiment is further optimized on the basis of embodiment 1, specifically:

[0051] The left supporting assembly comprises a left supporting frame 1 and a left retaining back plate 2 arranged on the left side of the left supporting frame 1 .

[0052] Specifically, the left retaining plate 2 is located at the outermost edge of the left support frame 1 of the support device and is fixed to the left support frame 1 by welding. The left retaining plate 2 realizes the retaining effect of the foundation pit adjacent to the left retaining plate 2 after the foundation pit is excavated, thereby preventing the vertical foundation pit earth from collapsing into the narrow and deep foundation pit, causing the foundation pit and pipeline to be buried.

[0053] The left support frame 1 includes two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

[0054] Example 3

[0055] This embodiment is further optimized on the basis of Embodiment 1 or Embodiment 2, specifically:

[0056] The right supporting assembly comprises a right supporting frame and a right retaining back plate 7 arranged on the right side of the right supporting frame.

[0057] Specifically, the right retaining plate 7 is located at the outermost edge of the right support frame of the support device and is fixed to the right support frame by welding. The right retaining plate 7 realizes the retaining effect of the foundation pit adjacent to the right retaining plate 7 after the foundation pit is excavated, thereby preventing the vertical foundation pit earth from collapsing into the narrow and deep foundation pit, causing the foundation pit and pipeline to be buried.

[0058] The right support frame comprises two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

[0059] Example 4

[0060] This embodiment is further optimized on the basis of embodiment 3, specifically:

[0061] The tops of the left support assembly and the right support frame are both provided with top embedding grooves, and the bottoms of the left support assembly and the right support frame are both provided with bottom embedding grooves.

[0062] Specifically, the left support frame 1 and the right support frame have a top embedding groove and a bottom embedding groove respectively, so as to realize the upper and lower splicing of the support frames.

[0063] The top embedded groove is located at the top of the left support frame 1 and the right support frame. There is a docking bolt hole on the left and right sides of the top embedded groove to fix the position after docking. The top embedded groove and the bottom embedded groove are used to dock the support frame when it needs to be high, ensuring that it is suitable for narrow pipeline foundation pits of different depths.

[0064] The bottom embedded groove is located at the lower part of the left support frame 1 and the right support frame. There is a docking bolt hole on the left and right sides of the bottom embedded groove to fix the position after docking. The top embedded groove and the top embedded groove are used to dock the support frame when the price is high, ensuring that it is suitable for narrow pipeline foundation pits of different depths.

[0065] The butt bolts are used to fix the top embedded groove and the bottom embedded groove through the butt bolt holes on both sides of the top embedded groove and the bottom embedded groove to ensure the consistency of the position.

[0066] Example 5

[0067] This embodiment is further optimized on the basis of embodiment 4, specifically:

[0068] The telescopic assembly includes multiple telescopic components, each of which includes a support tube 4 and a telescopic tube 8 sleeved inside the support tube 4. The telescopic tube 8 is provided with multiple adjustment holes at intervals along the axial direction, and the axis of each adjustment hole is orthogonal to the axis of the telescopic tube 8. The support tube 4 is provided with a fixing hole at one end close to the telescopic tube 8, and the fixing hole cooperates with the adjusting hole and is locked by a fixing pin assembly 9.

[0069] Specifically, the telescopic tubes 8 are located around the right support frame, with two on the upper and lower sides, and are connected to the vertical steel rectangular tube of the left support frame 1 by welding through four hollow steel pipes; the outer diameter of the telescopic tube 8 is basically the same as the inner diameter of the support tube 4 (slightly smaller), and there is a row of adjustment holes with equal spacing on the non-fixed end of the telescopic tube 8, which can cooperate with the telescopic tube 8 to adjust the width of the foundation pit.

[0070] The adjustment holes are circular holes located at the vertical position of the telescopic tube 8, which are evenly arranged at a certain interval and matched with the fixing holes on the support tube 4. The support tube 4 and the telescopic tube 8 are fixed by a large pin.

[0071] The fixing hole is a circular hole located at the adjustable end of the support tube 4, which matches with the fixing hole on the telescopic tube 8, and the support tube 4 and the telescopic tube 8 are fixed by a large pin.

[0072] The support pipes 4 are located around the left support frame 1, with two on the top and two on the bottom. A total of four hollow steel pipes are connected to the vertical steel rectangular pipe of the left support frame 1 by welding. There is a fixing hole on the non-fixed end of the support pipe 4. The inner diameter of the support pipe 4 is slightly larger than that of the telescopic pipe 8. The width of the foundation pit can be adjusted by cooperating with the telescopic pipe 8.

[0073] Example 6

[0074] This embodiment is further optimized on the basis of embodiment 4, specifically:

[0075] The fixing pin assembly 9 comprises a large latch pin, a small latch pin and a latch pin spring. The small latch pin passes through the pin hole of the large latch pin, and the latch pin spring passes through the pin hole of the small latch pin.

[0076] Specifically, after the large pin shaft adjusts the telescopic tube 8 according to the width of the excavated foundation pit on site, the large pin shaft is inserted into the adjustment hole to fix the support tube 4 and the telescopic tube 8, ensuring that the support tube 4 and the telescopic tube 8 are not squeezed and deformed under the side soil pressure;

[0077] After the small pin is fixed in place, the small pin is inserted into the bottom round hole of the large pin to fix the position of the large pin through the small pin.

[0078] The latch spring is located on the small pin shaft, and the small pin shaft is fixed through the reserved circular hole shaft at the end of the small pin shaft to ensure that the small pin shaft will not change position due to use, thereby forming a fixing system to fix the large pin shaft.

[0079] Example 7

[0080] This embodiment is further optimized on the basis of embodiment 4, specifically:

[0081] Both the left support frame 1 and the right support frame are provided with dragging points.

[0082] Specifically, the dragging points are respectively located at the upper positions of the vertical steel rectangular tubes of the left support frame 1 and the right support frame. The support frame can be moved forward and backward by using the dragging points with a crane and a steel wire rope.

[0083] Lifting points are arranged on both the left support frame 1 and the right support frame.

[0084] Specifically, the lifting points are located at two sides of the uppermost transverse steel rectangular tubes of the left support frame 1 and the right support frame, and the support frame is lifted up by using the lifting points with a crane and a steel wire rope.

[0085] Working principle: The support device can be used alone or in combination. When used in combination:

[0086] In order to expand the scope of use of this support device, when the excavation pit is deep and support is required, the support device can be spliced ​​and used according to the depth of the pit. In order to better explain this device, the support device is divided into an upper support device 11 and a lower support device 10 for description.

[0087] The upper supporting device 11 is an independent supporting device with the above components, which is mainly used for narrow and deep foundation pits. When a single supporting device cannot meet the retaining height, it is necessary to embed the top of the lower supporting device 10 in the groove, and connect and fix it through the bottom embedding groove of the upper supporting device 11 with the docking bolts to achieve the support of narrow and deep foundation pits of different depths.

[0088] The bottom connecting grooves of the lower supporting device 10 and the upper supporting device 11 are fixed to the top connecting grooves of the lower supporting device 10 by butt bolts, thereby realizing foundation pit support of different depths of narrow deep foundation pits.

Claims

1. A support device for rapid laying of pipelines in narrow deep foundation pits, characterized in that: It includes a left support component, a right support component, and a telescopic component capable of adjusting the distance between the left support component and the right support component. The left support component and the right support component are symmetrically arranged, and two ends of the telescopic component are respectively fixedly connected to the left support component and the right support component.

2. A support device for rapid laying of pipelines in narrow deep foundation pits according to claim 1, characterized in that: The left support assembly comprises a left support frame (1) and a left earth retaining back plate (2) arranged on the left side of the left support frame (1).

3. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 2, characterized in that: The left support frame (1) comprises two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

4. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 3, characterized in that: The right support assembly comprises a right support frame and a right soil retaining back plate (7) arranged on the right side of the right support frame.

5. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 4, characterized in that: The right support frame includes two vertical steel rectangular tubes and a plurality of transverse steel rectangular tubes arranged between the two vertical steel rectangular tubes.

6. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 5, characterized in that: The tops of the left support assembly and the right support frame are both provided with top embedding grooves, and the bottoms of the left support assembly and the right support frame are both provided with bottom embedding grooves.

7. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 6, characterized in that: The telescopic assembly comprises a plurality of telescopic components, each of the telescopic components comprises a support tube (4) and a telescopic tube (8) sleeved inside the support tube (4), a plurality of adjustment holes are arranged at intervals along the axial direction on the telescopic tube (8), the axis of each adjustment hole is orthogonal to the axis of the telescopic tube (8), and a fixing hole is arranged at one end of the support tube (4) close to the telescopic tube (8), the fixing hole cooperates with the adjustment hole and is locked by a fixing pin assembly (9).

8. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 7, characterized in that: The fixing pin assembly (9) comprises a large latch pin, a small latch pin and a latch pin spring. The small latch pin passes through the pin hole of the large latch pin, and the latch pin spring passes through the pin hole of the small latch pin.

9. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 6, characterized in that: The left support frame (1) and the right support frame are both provided with dragging points.

10. A supporting device for rapid laying of pipelines in narrow deep foundation pits according to claim 6, characterized in that: The left support frame (1) and the right support frame are both provided with lifting points.

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