Bridge ground beam foundation pit supporting auxiliary device

Abstract

The application provides a bridge ground tie beam foundation pit supporting auxiliary device, relates to the technical field of foundation pit steel sheet pile supporting, and comprises a steel sheet pile main part, the steel sheet pile main part is provided with a row, the structures of the steel sheet pile main parts on the row are same; the steel sheet pile main part is provided with a tripping detection part; the tripping detection part is used for detecting splicing tripping; the steel sheet pile main part is provided with a splicing limiting part; the steel sheet pile main part is provided with a head lifting auxiliary part; the head lifting auxiliary part is provided with a pushing part; the tripping detection part is matched with the steel sheet pile main part, the stability of the edge folding buckle connection is detected when piling is completed, and the edge folding buckle located in the underground part is not adjusted in time when the tripping risk occurs; so as to solve the problem that the bridge ground tie beam foundation pit supporting steel sheet pile is not convenient for automatically prompting the butt joint quality of the buckle.

Description

Technical Field

[0001] This invention relates to the field of sheet pile support technology for foundation pits, and in particular to an auxiliary device for foundation pit support of bridge ground beams. Background Technology

[0002] In the construction of bridge foundation pits, especially in collapsible terrain with soft soil, it is necessary to install supporting steel sheet piles before excavation to prevent collapse and excessive water seepage during excavation. Steel sheet piles are widely used due to their simple structure and low manufacturing cost. Their structure is usually a U-shaped design with snap-fits on both sides for easy interlocking. However, when current steel sheet piles for bridge foundation pits are driven into the ground by pile drivers, the snap-fits in the underground part are prone to disengagement due to underground obstacles, which is commonly known as the splitting problem. This is difficult to detect manually on the surface and usually only becomes apparent as the foundation pit is excavated deeper. It is not convenient to automatically indicate the quality of the snap-fit ​​connection, which affects the connection strength and waterproofing. At the same time, traditional steel sheet piles are made of bent steel plates, which is convenient for stacking and storage, but it also makes it difficult to connect with the pile driver's clamps and to connect the sheet piles after they have been pushed up. Summary of the Invention

[0003] This disclosure relates to an auxiliary device for bridge foundation pit support, which solves the problem that current steel sheet piles for bridge foundation pit support are not easy to automatically indicate the quality of the snap-fit ​​connection.

[0004] In a first aspect, this disclosure provides an auxiliary device for supporting the foundation pit of a bridge ground beam, specifically including a steel sheet pile main body, wherein the steel sheet pile main body is arranged in a row, and the structure on the row of steel sheet pile main bodies is identical; a disengagement detection component is installed on the steel sheet pile main body; the disengagement detection component is used to detect splicing disengagement; a splicing limiting component is installed on the steel sheet pile main body; a lifting head auxiliary component is installed on the steel sheet pile main body; a jacking component is installed on the lifting head auxiliary component; the steel sheet pile main body includes: support steel sheet piles and rolled edge buckles, and rolled edge buckles are respectively provided on both sides of the support steel sheet piles, and adjacent support steel sheet piles are connected by the rolled edge buckles.

[0005] In at least some embodiments, the main body of the steel sheet pile further includes: an anti-jamming groove and a limiting groove, wherein the bottom of the rolled edge buckle is provided with an anti-jamming groove; and the rolled edge buckle is provided with a limiting groove.

[0006] In at least some embodiments, the main body of the sheet pile further includes: indicator lights and wire harness guards; two indicator lights are fixedly installed on the top of the supporting sheet pile; two wire harness guards are fixedly installed on the supporting sheet pile, and the inside of the two wire harness guards is used for wiring; the indicator lights are used to indicate tripping; and the supporting sheet pile is equipped with a battery power supply.

[0007] In at least some embodiments, the tripping detection component includes: a detection mounting shell and a protruding post; two detection mounting shells are fixedly installed on the supporting steel sheet pile, and a protruding post is slidably inserted into the interior of each of the two detection mounting shells, with the end of the protruding post having an inclined structure; the protruding post passes through the supporting steel sheet pile; the protruding post is aligned with an anti-jamming groove on the same side; and the inner side of the detection mounting shell is connected to a wire harness guard plate.

[0008] In at least some embodiments, the tripping detection component further includes: a micro switch and an anti-accidental contact spring; the micro switch is fixedly installed inside the detection mounting housing; the micro switch is connected in series with the indicator light via a wire passing through the wire harness guard plate; the anti-accidental contact spring is sleeved inside the detection mounting housing and is connected between the protrusion and the detection mounting housing; the anti-accidental contact spring is located outside the micro switch.

[0009] In at least some embodiments, the splicing limiting component includes: a plug pin and a limiting nut, wherein the plug pin is inserted into a limiting groove; the plug pin is used to limit the height after two adjacent rolled edge buckles are joined; the end of the plug pin is provided with a thread; and the end of the plug pin is threadedly connected to the limiting nut.

[0010] In at least some embodiments, the tilting auxiliary component includes: a rotating mounting shell and a flap, wherein the rotating mounting shell is fixedly mounted on the supporting steel sheet pile by bolts; there is a gap between the rotating mounting shell and the top of the supporting steel sheet pile; the flap is rotatably mounted inside the rotating mounting shell; the front end of the flap has an arc-shaped structure; the rotating mounting shell has a threaded hole; and the inner side of the flap has a groove.

[0011] In at least some embodiments, the tilting auxiliary component further includes: a spring sheet, the end of which is fixedly installed inside the rotating mounting housing; the groove of the flip plate is provided on the other end of the spring sheet; the spring sheet has a V-shaped structure.

[0012] In at least some embodiments, the pusher includes: a pusher bolt, the pusher bolt being threaded into a threaded hole on the rotatable mounting housing; the end of the pusher bolt being used to push the inside of the push plate.

[0013] In at least some embodiments, the pusher further includes a hand handle, which is fixedly mounted on the pusher bolt.

[0014] This invention provides an auxiliary device for bridge foundation pit support, which has the following beneficial effects:

[0015] This invention employs a disengagement detection component in conjunction with the main body of the sheet pile. This does not affect the normal splicing and piling of multiple sheet pile main bodies, ensuring piling efficiency. At the end of piling, the stability of the rolled edge buckle connection is checked, preventing the risk of disengagement of the rolled edge buckles in the underground part from going unchecked. Because the support sheet piles in the underground part are prone to deformation due to underground rocks and rolled edge buckles during the insertion process, the bottom rolled edge buckles may go unchecked. If disengagement is not detected in time, it allows workers to make timely adjustments, reducing safety hazards such as excessive leakage and collapse during subsequent excavation.

[0016] In addition, the use of splicing limiting components makes it easy to limit the connection after the rows of support sheet piles are driven, ensuring the integrity between the rows of support sheet piles, preventing local support sheet piles from sinking, and at the same time, with the addition of the upturned head auxiliary components, it can stop them on the ground, further improving the stability of the support sheet piles, reducing the risk of overall sinking of the support sheet piles, and improving the safety of subsequent excavation.

[0017] In addition, the use of a jacking component in conjunction with a flip-over flap can control one end of the support sheet pile to tilt upwards, making it easier for the pile driver clamp to connect, while not affecting the subsequent stacking and collection of support sheet piles. The structure is more compact and can improve construction efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram:

[0021] Figure 1 This paper shows a schematic diagram of the spliced ​​auxiliary device for bridge ground beam foundation pit support according to this application;

[0022] Figure 2 A schematic diagram of the overall structure of a bridge ground beam foundation pit support auxiliary device according to this application is shown;

[0023] Figure 3 A schematic diagram of the overall structure of the main body of the steel sheet pile of this application is shown;

[0024] Figure 4 This application shows Figure 3 Enlarged view of the structure of region C in the middle;

[0025] Figure 5 A cross-sectional view of the trip detection component structure of this application is shown;

[0026] Figure 6 A cross-sectional view of the mounting location of the wire harness cover of this application is shown;

[0027] Figure 7 This application shows Figure 2 Enlarged view of the structure of the middle F region;

[0028] Figure 8 This application shows Figure 1 Enlarged view of the structure of the G region;

[0029] Figure 9 A schematic diagram of the installation position of the jacking bolt in this application is shown;

[0030] Figure 10 A cross-sectional view of the tilting head auxiliary structure of this application is shown.

[0031] List of reference numerals in the attached diagram:

[0032] 1. Sheet pile main components; 101. Support sheet pile; 1011. Rolled edge buckle; 1012. Anti-jamming groove; 1013. Limiting groove; 102. Indicator light; 103. Wiring harness guard plate; 2. Tripping detection component; 201. Detection mounting shell; 202. Protruding column; 203. Micro switch; 2031. Anti-accidental contact spring; 3. Splicing limiting component; 301. Insertion pin; 302. Limiting nut; 4. Tilt-end auxiliary component; 401. Rotating mounting shell; 402. Flip plate; 403. Spring; 5. Pushing component; 501. Pushing bolt; 502. Hand handle. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Example 1: Please refer to Figures 1 to 10 :

[0035] This invention proposes an auxiliary device for bridge foundation pit support, comprising a steel sheet pile main body 1, which has a row of identical structures; a release detection component 2 is installed on the steel sheet pile main body 1; the release detection component 2 is used to detect splicing release; a splicing limiting component 3 is installed on the steel sheet pile main body 1; a lifting head auxiliary component 4 is installed on the steel sheet pile main body 1; a jacking component 5 is installed on the lifting head auxiliary component 4; the steel sheet pile main body 1 includes: support steel sheet piles 101 and rolled edge buckles 1011, with rolled edge buckles 1011 on both sides of the support steel sheet piles 101, and adjacent support steel sheet piles 101 are connected by the rolled edge buckles 1011.

[0036] In this embodiment, the main body 1 of the sheet pile further includes: an anti-jamming groove 1012 and a limiting groove 1013; the bottom of the rolled edge buckle 1011 is provided with an anti-jamming groove 1012; the rolled edge buckle 1011 is provided with a limiting groove 1013; the main body 1 of the sheet pile further includes: an indicator light 102 and a wire harness guard plate 103; two indicator lights 102 are fixedly installed on the top of the supporting sheet pile 101; two wire harness guard plates 103 are fixedly installed on the supporting sheet pile 101, and the inside of the two wire harness guard plates 103 is used for wiring; the indicator light 102 is used to indicate tripping; the supporting sheet pile 101 is provided with a battery power supply; the tripping detection component 2 includes: a detection mounting shell 201 and a protrusion 202; two detection mounting shells 201 are fixedly installed on the supporting sheet pile 101, and the two Inside the detection mounting housing 201, protruding posts 202 are slidably inserted, with the ends of the protruding posts 202 having a beveled structure; the protruding posts 202 pass through the supporting steel sheet piles 101; the protruding posts 202 are aligned with the anti-jamming grooves 1012 on the same side; the inner side of the detection mounting housing 201 is connected to the wire harness guard plate 103; the tripping detection component 2 also includes: a micro switch 203 and an anti-misoperation spring 2031, the micro switch 203 is fixedly installed inside the detection mounting housing 201; the micro switch 203 is connected to the indicator light 102 in series via a wire passing through the wire harness guard plate 103; the anti-misoperation spring 2031 is sleeved inside the detection mounting housing 201, and the anti-misoperation spring 2031 is connected between the protruding posts 202 and the detection mounting housing 201; the anti-misoperation spring 2031 is located outside the micro switch 203. The system employs a disengagement detection component 2 in conjunction with the main sheet pile component 1. This design does not affect the normal splicing and piling of multiple main sheet pile components 1, ensuring piling efficiency while automatically detecting the connection stability of the rolled edge clips 1011 upon completion of piling. This prevents the risk of disengagement of the rolled edge clips 1011 located underground from going unchecked. During the insertion of the underground support sheet piles 101, deformation due to underground rocks and the rolled edge clips 1011 can easily occur, leading to the bottom rolled edge clips 1011 disengaging without timely detection. This allows for timely adjustments by workers, reducing safety hazards such as excessive leakage and collapse during subsequent excavation. The compact structure does not interfere with piling and provides a clear visual indication of the rolled edge clips 1011 ready for piling. Simply insert the rolled edge clip 1011 into the already driven sheet pile. As the support sheet pile 101 moves the rolled edge clip 1011 downwards, it will be fully inserted into the ground. At this point, the bottom of the rolled edge clip 1011 will be flush with the bottom of the already driven support sheet pile 101. During this process, the rolled edge clip 1011 will move downwards and squeeze the protrusion 202. The inclined structure at the end of the protrusion 202 will retract after being compressed, compressing the anti-misoperation spring 2031, which in turn presses the micro switch 203, controlling the indicator light 102 to be powered on and illuminate. The strong push of the anti-misoperation spring 2031, combined with the opening of the anti-jamming groove 1012, can prevent the soil or gravel from accidentally activating the micro switch 203 when the pile driver controls the support sheet pile 101 to penetrate deeper into the ground.

[0037] In this embodiment, the splicing limiting component 3 includes: a pin 301 and a limiting nut 302. The pin 301 is inserted into the limiting groove 1013. The pin 301 is used to limit the height after two adjacent rolled edge buckles 1011 are joined. The end of the pin 301 is threaded. The end of the pin 301 is threaded to the limiting nut 302. The tilting auxiliary component 4 includes: a rotating mounting shell 401 and a flap 402. The rotating mounting shell 401 is fixedly mounted on the supporting steel sheet pile 101 by bolts. There is a gap between the rotating mounting shell 401 and the top of the supporting steel sheet pile 101. The flap 402 is rotatably mounted inside the rotating mounting shell 401. The front end of the flap 402 has an arc-shaped structure. The shell 401 is provided with threaded holes; the inner side of the flap 402 is provided with a groove; the lifting head auxiliary component 4 also includes: a spring piece 403, the end of which is fixedly installed on the inner side of the rotating installation shell 401; the groove of the flap 402 is placed on the other end of the spring piece 403; the spring piece 403 has a V-shaped structure; the use of the splicing limiting component 3 can facilitate the limiting connection after the row of support steel sheet piles 101 is driven, ensuring the integrity between the row of support steel sheet piles 101, preventing the local support steel sheet piles 101 from sinking, and at the same time, it can stop on the ground with the lifting head auxiliary component 4, further improving the stability of the support steel sheet piles 101, reducing the risk of overall sinking of the support steel sheet piles 101, improving the safety of subsequent excavation, and is simple to operate.

[0038] In Example 2, based on Example 1, the jacking component 5 includes: a jacking bolt 501, which is threadedly connected to a threaded hole on the rotating mounting shell 401; the end of the jacking bolt 501 is used to jack the inner side of the push plate 402; the jacking component 5 also includes: a hand handle 502, which is fixedly installed on the jacking bolt 501. The jacking component 5 can be used independently. With the flip-over plate 402, one end of the support sheet pile 101 can be tilted up, which is convenient for the pile driver chuck to connect. At the same time, it does not affect the subsequent stacking and collection of the support sheet pile 101. The structure is more compact and can improve construction efficiency. When the jacking bolt 501 is rotated, the push plate 402 is jacked up. Using the lever principle, when the push plate 402 is flipped up, the end of the support sheet pile 101 can be tilted up, which is convenient for the pile driver chuck to insert and connect.

[0039] The working principle of this embodiment is as follows: When the chuck of the pile driver needs to clamp the support sheet pile 101, the push bolt 501 can be directly threaded into the threaded hole on the rotating mounting shell 401. By holding the hand handle 502 and rotating the push bolt 501, the push plate 402 is pushed up. Utilizing the lever principle, when the push plate 402 is flipped, the end of the support sheet pile 101 is raised, making it easier for the pile driver chuck to insert and connect. At the same time, the foldable flap 402 facilitates folding and storage without affecting the retrieval of the support sheet pile. The sheet piles 101 are stacked on top of each other, which facilitates stable transportation, simplifies the structure, and improves construction efficiency. There is no need for the cumbersome method of adjusting the position of the sheet piles 101 by impacting them with the pile driver's clamps. After the sheet piles 101 are clamped by the pile driver's clamps, the jacking bolts 501 can be rotated and removed. During pile driving, the sheet piles are first driven into the ground through pilot holes equipped with water jet nozzles. Then, the supporting sheet piles 101 are driven into the ground by the pile driver's clamps. Subsequent supporting sheet piles 101 are driven in the same way. During the process, adjacent supporting sheet piles 101 are secured by the rolled edge clips 10. 11. To connect, insert the rolled edge clip 1011 (to be driven into the pile) into the rolled edge clip 1011 (already driven into the pile). As the support sheet pile 101 moves the rolled edge clip 1011 downwards, it will be fully inserted into the ground. At this point, the bottom of the rolled edge clip 1011 will be flush with the bottom of the already driven support sheet pile 101. During this process, the rolled edge clip 1011 will move downwards and press against the protrusion 202. The inclined structure at the end of the protrusion 202 will retract after being compressed, compressing the anti-misoperation spring 2031, and thus pressing the micro-motion. Switch 203 controls the indicator light 102 to illuminate when powered on; when the support sheet pile 101 is driven down, the spring plate 403 can elastically support the flip plate 402 to keep it tilted, so that the flip plate 402 can be flipped up and can maintain a 90-degree angle with the support sheet pile 101. The flip plate 402 can be stopped and limited on the ground. After the adjacent support sheet pile 101 is driven into place, the insertion pin 301 can be inserted into the limiting groove 1013 on the two adjacent rolled edge buckles 1011 for limiting, and the limiting nut 302 is rotated and installed on the insertion pin 301.

[0040] The following points should be noted in this article:

[0041] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0042] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0043] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. An auxiliary device for supporting the foundation pit of a bridge ground beam, comprising a steel sheet pile main body (1), wherein the steel sheet pile main body (1) is arranged in a row, and the structure on the row of steel sheet pile main body (1) is identical; a tripping detection device (2) is installed on the steel sheet pile main body (1); characterized in that: The tripping detection component (2) is used to detect splicing tripping; the steel sheet pile main body component (1) is equipped with a splicing limiting component (3); The main body (1) of the steel sheet pile is equipped with a lifting head auxiliary component (4); the lifting head auxiliary component (4) is equipped with a jacking component (5). The main body of the sheet pile (1) includes: a support sheet pile (101), a rolled edge buckle (1011), an anti-jamming groove (1012), a limiting groove (1013), an indicator light (102), and a wire harness guard plate (103). The support sheet pile (101) is provided with rolled edge buckles (1011) on both sides, and adjacent support sheet piles (101) are connected by the rolled edge buckles (1011). The tripping detection component (2) includes: a detection mounting shell (201) and a protruding post (202). Two detection mounting shells (201) are fixedly installed on the supporting steel sheet pile (101), and protruding posts (202) are slidably inserted into the interior of the two detection mounting shells (201), and the ends of the protruding posts (202) are inclined structures; the protruding posts (202) pass through the supporting steel sheet pile (101); the protruding posts (202) are aligned with the anti-jamming grooves (1012) on the same side; the inner side of the detection mounting shell (201) is connected to the wire harness guard plate (103); the tripping detection component ( 2) It also includes: a micro switch (203) and an anti-accidental touch spring (2031). The micro switch (203) is fixedly installed inside the detection mounting housing (201). The micro switch (203) is connected in series with the power supply through the wire passing through the wire harness guard plate (103) and the indicator light (102). The anti-accidental touch spring (2031) is sleeved inside the detection mounting housing (201) and is connected between the protrusion (202) and the detection mounting housing (201). The anti-accidental touch spring (2031) is located outside the micro switch (203). The lifting head auxiliary component (4) includes: a rotating mounting shell (401) and a flap (402). The rotating mounting shell (401) is fixedly mounted on the supporting steel sheet pile (101) by bolts. There is a gap between the rotating mounting shell (401) and the top of the supporting steel sheet pile (101). The flap (402) is rotatably mounted inside the rotating mounting shell (401). The front end of the flap (402) is an arc-shaped structure. The rotating mounting shell (401) is provided with threaded holes. The flap (402) is provided with grooves on its inner side. The lifting head auxiliary component (4) further includes: a spring piece (403), the end of which is fixedly installed inside the rotating mounting shell (401); the groove of the flip plate (402) is placed on the other end of the spring piece (403); the spring piece (403) has a V-shaped structure.

2. The auxiliary device for bridge foundation pit support according to claim 1, characterized in that, The bottom of the rolled edge buckle (1011) is provided with an anti-jamming groove (1012); the rolled edge buckle (1011) is provided with a limiting groove (1013).

3. The auxiliary device for bridge foundation pit support according to claim 2, characterized in that, Two indicator lights (102) are fixedly installed on the top of the support sheet pile (101); two wire harness guard plates (103) are fixedly installed on the support sheet pile (101); the indicator lights (102) are used to indicate the tripping.

4. The auxiliary device for bridge foundation pit support according to claim 1, characterized in that, The splicing limiting component (3) includes: a plug pin (301) and a limiting nut (302). The plug pin (301) is inserted into the limiting groove (1013). The plug pin (301) is used to limit the height after two adjacent rolled edge buckles (1011) are connected. The end of the plug pin (301) is provided with a thread. The end of the plug pin (301) is threaded to the limiting nut (302).

5. The auxiliary device for bridge foundation pit support according to claim 1, characterized in that, The pusher (5) includes a pusher bolt (501), which is threaded into a threaded hole on the rotating mounting shell (401); the end of the pusher bolt (501) is used to push the inside of the push plate (402).

6. The auxiliary device for bridge foundation pit support according to claim 5, characterized in that, The pusher (5) further includes a hand handle (502), which is fixedly installed on the pusher bolt (501).

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