Subway construction supporting device

Abstract

The utility model provides a subway construction supporting device, and belongs to the technical field of subway construction supporting. Comprising a base and a connecting assembly, a rotating rod rotationally penetrates through the upper end of the base, the rotating rod is fixedly sleeved with a rotating ring, the rotating ring is connected with a first mounting rod, the connecting assembly is mounted on the first mounting rod, the first mounting rod is connected with a second mounting rod through the connecting assembly, and multiple sets of supporting plates are slidably connected into the first mounting rod and the second mounting rod; a second anchor rod penetrates through the center of the supporting plate. By arranging the first mounting rod, the second mounting rod and the connecting assembly, the second mounting rod can be mounted as required, so that the supporting plate can be fully paved on the slope of a foundation pit, the supporting area is large, the supporting effect is good, the side face of the device is effectively anchored by arranging the second anchor rod, and the supporting effect is good. Pressure is prevented from being intensively acted on the first anchor rod at the bottom of the device, the first anchor rod is protected, meanwhile, the supporting plate is higher in capacity of resisting lateral deformation of the foundation pit, and safety is better.

Description

Technical Field

[0001] The utility model relates to the technical field of subway construction support, and particularly relates to a subway construction support device. Background Technique

[0002] A foundation pit is an earth pit excavated at the design position of the foundation according to the base elevation and the foundation plane size. When constructing a subway station, it is necessary to excavate a foundation pit. In order to ensure the safety during the construction of the foundation pit, it is necessary to use a support device to support the foundation pit.

[0003] Chinese Patent CN221345618U discloses a subway construction support device, which includes a fixing component, a support adjusting component, a support plate connecting component and a side wall support plate. The fixing component includes a mounting bottom plate that fits the ground.

[0004] In the above device, only anchor fittings are provided at the bottom, and there is a lack of an anchoring mechanism on the side of the device. All the lateral forces of the foundation pit on the device are concentrated on the bottom anchor fittings, which easily causes the bottom anchor fittings to fail, especially when the lateral pressure is large. Moreover, the size of the side wall support plate is fixed. When supporting a deep foundation pit, the supported area is small and the effect is poor. Therefore, a technical measure is proposed to solve the problems in the prior art that there is a lack of an anchoring mechanism on the side, all the lateral forces of the foundation pit on the device are concentrated on the bottom anchor fittings, which easily causes the bottom anchor fittings to fail, the size of the side wall support plate is fixed, and when supporting a deep foundation pit, the supported area is small and the effect is poor. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a subway construction support device to solve the problems in the prior art that there is a lack of an anchoring mechanism on the side, all the lateral forces of the foundation pit on the device are concentrated on the bottom anchor fittings, which easily causes the bottom anchor fittings to fail, the size of the side wall support plate is fixed, and when supporting a deep foundation pit, the supported area is small and the effect is poor.

[0006] To solve the above technical problem, the utility model provides the following technical solutions:

[0007] A subway construction support device includes a base and a connection component. A rotating rod passes through the upper end of the base in a rotating manner. An outer fixed sleeve of the rotating rod is provided with a rotating ring. The rotating ring is connected to a first mounting rod. A connection component is installed on the first mounting rod. The first mounting rod is connected to a second mounting rod through the connection component. A plurality of support plates are slidably connected inside the first mounting rod and the second mounting rod. A second anchor rod passes through the center position of the support plate. Thanks to the setting of the first mounting rod, the second mounting rod and the connection component, the movable connection between the second mounting rod and the first mounting rod is realized, so that the second mounting rod can be installed as needed, and then the support plates can cover the inclined surface of the foundation pit. The support area is large and the support effect is good. At the same time, thanks to the setting of the second anchor rod, the side of the device is effectively anchored, preventing the pressure from concentrating on the first anchor rod at the bottom of the device, effectively protecting the first anchor rod at the bottom and preventing the first anchor rod from failing. And the setting of multiple groups of second anchor rods provides a greater anchoring force, making the support plates have a stronger ability to resist the lateral deformation of the foundation pit and better safety.

[0008] Optionally, there are two groups of the first mounting rod and the second mounting rod. Card slots are provided inside the two groups of the first mounting rod and the second mounting rod, and the card slots are slidably adapted to the support plates.

[0009] Optionally, the lower part of the base is connected with a bottom plate, and the base is located at the center position of the upper surface of the bottom plate.

[0010] Optionally, a plurality of evenly distributed bottom rods are uniformly installed on the lower surface of the bottom plate, and two groups of first anchor rods pass through the bottom plate symmetrically.

[0011] Optionally, the connection component includes side plates. There are two groups of side plates, and the two groups of side plates are fixedly installed at the lower part of the second mounting rod. The center position of the lower surface of the side plates is provided with insertion plates.

[0012] Optionally, a jack is provided at the center position of the insertion plate, and the lower part of the insertion plate is circular arc-shaped.

[0013] Optionally, the connection component further includes connecting plates. There are two groups of connecting plates, and the two groups of connecting plates are fixedly installed at the upper ends of the first mounting rod and the second mounting rod. Grooves are provided inside the connecting plates, and the grooves are adapted to the insertion plates.

[0014] Optionally, a box body is installed on one side of the connecting plates close to each other. A pull ring is slidably engaged on the side of the box body away from the connecting plates. The pull ring is connected with a connecting rod. The connecting rod is slidably connected with the box body. One side of the connecting rod away from the pull ring is connected with a pressing plate. Two groups of symmetrically distributed springs are installed on one side of the pressing plate close to the connecting rod.

[0015] Optionally, the other ends of the springs are installed inside the box body, and a plug rod is installed at the center position of the side of the pressing plate away from the springs.

[0016] Optionally, the round head of the insertion rod is provided, and the insertion rod is adapted to the insertion hole.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above solution, by setting the rotating rod and the rotating ring, it is convenient to adjust the angle of the first mounting rod according to the slope of the foundation pit slope, so that the first mounting rod can fit the foundation pit slope, improving the practicability of the device. Rotate the first mounting rod to make the rotating ring rotate along the rotating rod, thereby completing the angle adjustment. At this time, the first mounting rod fits the foundation pit slope.

[0019] By setting the first mounting rod, the second mounting rod and the connecting component, the movable connection between the second mounting rod and the first mounting rod is realized. Thus, the second mounting rod can be installed according to needs, and further the support plate can cover the foundation pit slope. The support area is large and the support effect is good. Pull the pull ring outwards to drive the extrusion plate to move outwards. The extrusion plate moves outwards to compress the spring. The extrusion plate moves outwards to drive the insertion rod to retract into the box body. At this time, align the insertion plate at the lower part of the second mounting rod with the connecting plate of the second mounting rod and insert it. Then release the pull ring. Under the action of the spring's resilience, drive the insertion rod to insert into the insertion hole to complete the installation of the first mounting rod and the second mounting rod.

[0020] By setting the second anchor rod, the side of the device is effectively anchored, preventing the pressure from concentrating on the first anchor rod at the bottom of the device, effectively protecting the first anchor rod at the bottom and preventing the first anchor rod from failing. And the setting of multiple groups of second anchor rods provides greater anchoring force, making the support plate more capable of resisting the lateral deformation of the foundation pit and having better safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the utility model and, together with the specification, are further used to explain the principles of the utility model and enable those skilled in the relevant art to implement and use the utility model.

[0022] Figure 1 is a schematic structural diagram of the utility model;

[0023] Figure 2 is a schematic structural diagram of the separated state of the utility model;

[0024] Figure 3 is Figure 2 an enlarged structural diagram of part A in

[0025] Figure 4 is a schematic structural diagram of the separated state of the connecting component;

[0026] Figure 5 is a schematic structural diagram of the connection structure between the insertion rod and the pull ring.

[0027] [Reference Signs]

[0028] 1. Bottom plate; 2. Connection assembly; 3. Bottom rod; 4. First anchor rod; 5. Base; 6. Swivel ring; 7. Swivel rod; 8. First mounting rod; 9. Second anchor rod; 10. Second mounting rod; 11. Support plate; 12. Card slot; 201. Side plate; 202. Connecting plate; 203. Box body; 204. Pull ring; 205. Insertion plate; 206. Insertion hole; 207. Connecting rod; 208. Spring; 209. Extrusion plate; 210. Insertion rod.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments. Detailed Embodiment

[0030] The following describes in detail a subway construction support device provided by the present invention with reference to the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0031] It should be pointed out that in the specification, when referring to "an embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc., it indicates that the described embodiment may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. Additionally, when combining an embodiment to describe a specific feature, structure or characteristic, implementing such feature, structure or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0032] Generally, terms can be understood at least in part from their use in context. For example, at least in part depending on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in a singular sense, or can be used to describe a combination of features, structures or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather, at least in part depending on the context, can allow for the existence of other factors that may not be explicitly described.

[0033] It will be understood that the meanings of "on", "above", and "over" in the present utility model should be interpreted in the broadest manner, such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but also can include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0034] In addition, spatial relative terms such as "under", "below", "lower", "above", "upper", etc. may be used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the drawings. The spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the drawings. The device may be oriented in other ways, and the spatial relative descriptive terms used herein may be interpreted accordingly.

[0035] As Figure 1 , Figure 2 and Figure 3 shown, an embodiment of the present utility model provides a subway construction support device, including a base 5 and a connection assembly 2. A rotating rod 7 penetrates through the upper end of the base 5 in a rotating manner. An outer fixed sleeve of the rotating rod 7 is provided with a rotating ring 6. The rotating ring 6 is connected with a first mounting rod 8. The connection assembly 2 is mounted on the first mounting rod 8. The first mounting rod 8 is connected with a second mounting rod 10 through the connection assembly 2. A plurality of support plates 11 are slidably connected inside the first mounting rod 8 and the second mounting rod 10. A second anchor rod 9 penetrates through the central position of the support plate 11. There are two groups of the first mounting rod 8 and the second mounting rod 10. Card slots 12 are formed inside the two groups of the first mounting rod 8 and the second mounting rod 10. The card slots 12 are slidably adapted to the support plates 11. The lower part of the base 5 is connected with a bottom plate 1, and the base 5 is at the central position of the upper surface of the bottom plate 1. A plurality of evenly distributed bottom rods 3 are evenly mounted on the lower surface of the bottom plate 1. Two groups of first anchor rods 4 penetrate through the bottom plate 1 symmetrically. After the foundation pit of the subway station is excavated, this device is used to support the foundation pit. The base 5 and the bottom plate 1 are placed at the bottom of the foundation pit. Then, the bottom plate 1 is pressed downward so that the bottom rods 3 are inserted into the ground to complete the preliminary fixation of the device. Then, the angle of the first mounting rod 8 is adjusted corresponding to the angle of the foundation pit. The first mounting rod 8 is rotated so that the rotating ring 6 rotates along the rotating rod 7, thereby completing the angle adjustment. At this time, the first mounting rod 8 fits the inclined surface of the foundation pit. Then, the first anchor rods 4 are used to anchor the bottom plate 1. Then, the second mounting rod 10 is installed through the connection assembly 2 according to the depth of the foundation pit. Then, the support plates 11 are slid into the card slots 12. Then, the second anchor rods 9 are used to anchor the support plates 11.

[0036] As Figures 1 to 5As shown in the figure, the connecting component 2 includes side plates 201. There are two groups of side plates 201, and the two groups of side plates 201 are fixedly installed at the lower part of the second mounting rod 10. At the center position of the lower surface of the side plate 201, a plug board 205 is installed. A jack 206 is opened at the center position of the plug board 205. The lower part of the plug board 205 is circular arc-shaped. The connecting component 2 further includes connecting plates 202. There are two groups of connecting plates 202, and the two groups of connecting plates 202 are fixedly installed at the upper ends of the first mounting rod 8 and the second mounting rod 10. A groove is opened inside the connecting plate 202, and the groove is adapted to the plug board 205. A box body 203 is installed on one side of the connecting plates 202 close to each other. A pull ring 204 is slidably engaged on the side of the box body 203 away from the connecting plate 202. The pull ring 204 is connected with a connecting rod 207, and the connecting rod 207 is slidably connected with the box body 203. One side of the connecting rod 207 away from the pull ring 204 is connected with a pressing plate 209. Two symmetrically distributed springs 208 are installed on one side of the pressing plate 209 close to the connecting rod 207. The other ends of the springs 208 are installed inside the box body 203. At the center position of one side of the pressing plate 209 away from the spring 208, a plug rod 210 is installed. The plug rod 210 is round-headed and is adapted to the jack 206. Pull the pull ring 204 outwards. The outward movement of the pull ring 204 drives the connecting rod 207 to move outwards. The outward movement of the connecting rod 207 drives the pressing plate 209 to move outwards. The outward movement of the pressing plate 209 compresses the spring 208. The outward movement of the pressing plate 209 drives the plug rod 210 to retract into the box body 203. At this time, align the plug board 205 at the lower part of the second mounting rod 10 with the connecting plate 202 of the second mounting rod 10 and insert it. When the plug rod 210 completely enters the connecting plate 202, release the pull ring 204. Under the action of the springback of the spring 208, the plug rod 210 is driven to insert into the jack 206, completing the installation of the first mounting rod 8 and the second mounting rod 10.

[0037] The working principle of the technical solution provided by the present utility model is as follows:

[0038] After the foundation pit of the subway station is excavated, use this device to support the foundation pit. Place the base 5 and the bottom plate 1 at the bottom of the foundation pit (excavate a small pit at the bottom of the foundation pit, put the base 5 and the bottom plate 1 into it, and make the rotating rod 7 at the position where the horizontal plane and the inclined plane of the bottom of the foundation pit intersect, ensuring that the rotating rod 7 is the rotation origin). Then press the bottom plate 1 downwards so that the bottom rod 3 is inserted into the ground, completing the preliminary fixation of the device. Then, adjust the angle of the first mounting rod 8 corresponding to the angle of the foundation pit. Rotate the first mounting rod 8 so that the rotating ring 6 rotates along the rotating rod 7, thereby completing the angle adjustment. At this time, the first mounting rod 8 fits the inclined plane of the foundation pit. Then use the first anchor rod 4 to anchor the bottom plate 1. Through the setting of the rotating rod 7 and the rotating ring 6, it is convenient to adjust the angle of the first mounting rod 8 corresponding to the slope of the inclined plane of the foundation pit, so that the first mounting rod 8 can fit the inclined plane of the foundation pit, improving the practicability of the device;

[0039] Subsequently, the second mounting rod 10 is installed through the connecting component 2 according to the depth of the foundation pit. Specifically, the pull ring 204 is pulled outwards. The outward movement of the pull ring 204 drives the connecting rod 207 to move outwards. The outward movement of the connecting rod 207 drives the pressing plate 209 to move outwards. The outward movement of the pressing plate 209 compresses the spring 208. The outward movement of the pressing plate 209 drives the insertion rod 210 to retract into the box body 203. At this time, the insertion plate 205 at the lower part of the second mounting rod 10 is aligned with the connecting plate 202 of the second mounting rod 10 and inserted. When the insertion rod 210 completely enters the connecting plate 202, the pull ring 204 is released. Under the rebounding action of the spring 208, the insertion rod 210 is driven to insert into the insertion hole 206, completing the installation of the first mounting rod 8 and the second mounting rod 10. And multiple groups of the second mounting rods 10 can be installed according to actual needs. Through the settings of the first mounting rod 8, the second mounting rod 10 and the connecting component 2, the movable connection between the second mounting rod 10 and the first mounting rod 8 is realized. Thus, the second mounting rod 10 can be installed as needed, and further, the support plate 11 can cover the inclined surface of the foundation pit, with a large support area and good support effect.

[0040] Subsequently, the support plate 11 is slid into along the card slot 12, and then the second anchor rod 9 is used to anchor the support plate 11. Through the setting of the second anchor rod 9, the side of the device is effectively anchored, preventing the pressure from concentrating on the first anchor rod 4 at the bottom of the device, effectively protecting the first anchor rod 4 at the bottom and preventing the first anchor rod 4 from failing. And the setting of multiple groups of the second anchor rods 9 provides a greater anchoring force, making the support plate 11 have a stronger ability to resist the lateral deformation of the foundation pit and better safety.

[0041] The present utility model covers any substitutions, modifications, equivalent methods and solutions made on the essence and scope of the present utility model. In order to enable the public to have a thorough understanding of the present utility model, specific details are described in detail in the following preferred embodiments of the present utility model. However, those skilled in the art can fully understand the present utility model without the description of these details. In addition, in order to avoid unnecessary confusion to the essence of the present utility model, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0042] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A subway construction support device, comprising a base and a connection component, characterized in that, A rotating rod passes through the upper end of the base in a rotating manner. A rotating ring is fixedly sleeved outside the rotating rod. The rotating ring is connected with a first mounting rod. A connecting component is installed on the first mounting rod. The first mounting rod is connected with a second mounting rod through the connecting component. A plurality of support plates are slidably connected inside the first mounting rod and the second mounting rod. A second anchor rod passes through the center position of the support plate.

2. The subway construction support device according to claim 1, characterized in that, There are two sets of the first mounting rod and the second mounting rod. Card slots are formed inside the two sets of the first mounting rod and the second mounting rod. The card slots are slidably adapted to the support plates.

3. The subway construction support device according to claim 1, characterized in that, The lower part of the base is connected with a bottom plate, and the base is at the center position of the upper surface of the bottom plate.

4. The subway construction support device according to claim 3, characterized in that, A plurality of evenly distributed bottom rods are evenly installed on the lower surface of the bottom plate. Two first anchor rods are symmetrically passed through the bottom plate.

5. The subway construction support device according to claim 1, characterized in that, The connecting component includes side plates. There are two sets of side plates. The two sets of side plates are fixedly installed at the lower part of the second mounting rod. A plug board is installed at the center position of the lower surface of the side plate.

6. The subway construction support device according to claim 5, characterized in that, A jack is formed at the center position of the plug board. The lower part of the plug board is arc-shaped.

7. The subway construction support device according to claim 6, characterized in that, The connecting component further includes connecting plates. There are two sets of connecting plates. The two sets of connecting plates are fixedly installed at the upper ends of the first mounting rod and the second mounting rod. Grooves are formed inside the connecting plates. The grooves are adapted to the plug board.

8. The subway construction support device according to claim 7, characterized in that, Box bodies are installed on one side of the connecting plates close to each other. A pull ring is slidably engaged with one side of the box body away from the connecting plate. The pull ring is connected with a connecting rod. The connecting rod is slidably connected with the box body. One side of the connecting rod away from the pull ring is connected with a pressing plate. Two symmetrically distributed springs are installed on one side of the pressing plate close to the connecting rod.

9. The subway construction support device according to claim 8, characterized in that, The other ends of the springs are installed inside the box body. A plug rod is installed at the center position of one side of the pressing plate away from the springs.

10. The subway construction support device according to claim 9, characterized in that, The plug rod is provided with a round head. The plug rod is adapted to the jack.

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