A multifunctional support component for assisting foundation pit construction and its construction method

Abstract

The present invention discloses a multifunctional support component for assisting foundation pit construction and its construction method, including a support frame. A connection and limit component connected to the foundation pit is arranged inside the support frame. A lifting component is arranged outside the support frame, and a plurality of stepped components that gradually decrease layer by layer are arranged on the side of the lifting component. In the present invention, when the support frame is hoisted to the edge of the foundation pit, the first DC motor can make the side where the limit plate is located fit with the edge of the foundation pit. By starting the first DC motors on both sides, the threaded rod rotates, so that the pushing plate can be pushed into the inner part of the foundation pit wall and inserted into the pit wall for fixation. Then, the built-in extension rod is nailed deep into the foundation pit wall for reinforcement. The reverse hook fixing ring and the reverse hook can hook the soil to make the support frame more stably nailed into the soil interior.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and specifically relates to a multifunctional support component for assisting foundation pit construction and its construction method. Background Technique

[0002] Foundation pit support is a support, reinforcement and protection measure for the foundation pit side wall and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] Whether to adopt a support structure for foundation pit excavation and what kind of support structure to adopt should be determined through comprehensive economic, technical and environmental analysis and comparison based on the surrounding environment of the foundation pit, the conditions of the underground structure, the depth of foundation pit excavation, engineering geology and hydrogeology conditions, construction conditions, construction season, regional engineering experience, etc.

[0004] At present, the support for foundation pits is generally relatively simple, with insufficient stability. The installation and disassembly of foundation pit supports are both relatively troublesome. Most of the support materials are difficult to be reused, which is rather wasteful. Moreover, it is inconvenient to climb and transport materials during the construction of higher foundation pit supports. Summary of the Invention

[0005] The purpose of the present invention is to provide a multifunctional support component for assisting foundation pit construction and its construction method to solve the problems raised in the above background technique, that is, the current support for foundation pits is generally relatively simple, with insufficient stability, the installation and disassembly of foundation pit supports are both relatively troublesome, most of the support materials are difficult to be reused, which is rather wasteful, and it is inconvenient to climb and transport materials during the construction of higher foundation pit supports.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A multifunctional support component for assisting foundation pit construction, including a support support frame. A connection and limit component connected to the foundation pit is arranged inside the support support frame. A lifting component is arranged outside the support support frame. A plurality of stepped components that decrease layer by layer are arranged on the side of the lifting component.

[0008] Furthermore, the connection and limit component includes a first DC motor, a push plate, a threaded rod, a limit plate and a main fixed insertion rod. A push plate is arranged on one side inside the support and support frame. First DC motors are symmetrically arranged inside the support and support frame. The output end of the first DC motor is fixed with a threaded rod, which passes through the push plate and is in threaded connection with the push plate. The end of the threaded rod is connected with a limit plate. A rotating limit block is arranged between the threaded rod and the limit plate, and the threaded rod is fixedly connected with the rotating limit block. The limit plate is rotatably connected with the rotating limit block. A main fixed insertion rod is arranged inside the push plate. An internal extended insertion rod is arranged through the main fixed insertion rod. A limit insertion rod groove and a limit slot are opened inside the internal extended insertion rod. A limit blocking rod is slidably connected inside the limit slot, and a limit insertion rod is slidably connected inside the limit insertion rod groove. One end of the internal extended insertion rod is fixedly connected with a tip insertion rod. A reverse hook fixing ring is sleeved outside the internal extended insertion rod, and a reverse hook is fixedly connected to the outside of the reverse hook fixing ring.

[0009] Furthermore, the lifting component includes a screw limit groove, a limit threaded rod, a lifting platform and a second DC motor. The screw limit groove is arranged on the outer surface of the support and support frame. The second DC motor is arranged at the bottom of the screw limit groove. The output end of the second DC motor is connected with a limit threaded rod. A plurality of lifting blocks are connected to the outside of the limit threaded rod. The outside of the lifting blocks are respectively fixedly connected with a lifting platform and an inclined strut. The other end of the inclined strut is connected to the bottom of the lifting platform. A protection platform is arranged below the lifting platform. A strut slot that meshes with the inclined strut is arranged inside the protection platform. A sliding plate is arranged on the side of the protection platform.

[0010] Furthermore, the step component includes a step pedal recovery groove and an inclined rod recovery groove. Both the step pedal recovery groove and the inclined rod recovery groove are arranged on the outer surface of the support and support frame. A step pedal is rotatably connected inside the step pedal recovery groove. A step fixed insertion rod is rotatably connected inside the inclined rod recovery groove. Oblique rod slots are symmetrically arranged at the bottom of the step pedal. The other end of the step fixed insertion rod is inserted into the inside of the oblique rod slots when the step pedal rotates to the horizontal state. Inductive lighting lamps are arranged at the top of the step pedal recovery groove. An inductive lamp switch button is also arranged inside the oblique rod slots, and the inductive lamp switch button is electrically connected with the inductive lighting lamps.

[0011] Furthermore, the bottom of the support and support frame is fixedly connected with a support bottom plate, and the top of the support and support frame is fixedly connected with an upper pedal. The edge of the limit plate is flush with the edge of the support bottom plate, and the upper pedal is placed on the upper plane of the foundation pit.

[0012] Furthermore, a plurality of main fixed insertion rods are provided, and the plurality of main fixed insertion rods are equidistantly distributed inside the push plate. A waterproof coating for the plate is further provided on the inner surface of the push plate, and the waterproof coating for the plate is attached to the edge of the foundation pit; the limit slot is located at the central position inside the built-in extended insertion rod, and the limit insertion rod slot is located inside one end of the built-in extended insertion rod. The limit slot and the limit insertion rod slot are perpendicularly arranged; two limit insertion rods are provided, and the two limit insertion rods are respectively distributed on both sides inside the built-in extended insertion rod. When the limit barrier rod is located between the two limit insertion rods on both sides, one end of the limit insertion rod extends to the outside of the built-in extended insertion rod; the limit barrier rod penetrates through the central position inside the built-in extended insertion rod, and one end of the limit barrier rod penetrates through the push plate and is located outside the push plate.

[0013] Furthermore, two screw rod limit slots are provided, and second DC motors are fixedly connected to the bottoms of the two screw rod limit slots. The diagonal struts on both sides are respectively distributed on both sides of the bottom of the lifting platform, and the other ends of the diagonal struts are far away from the screw rod limit slots; one side of the protection platform is fixedly connected to the support frame for support. The sliding plate is obliquely arranged and the other end of the sliding plate is in contact with the ground. When the lifting platform slides above the protection platform, the diagonal strut is inserted into the inside of the strut slot.

[0014] Furthermore, a weighing plate is arranged inside the lifting platform, and a tempered glass guardrail is fixedly connected to the outside of the lifting platform.

[0015] Furthermore, rotating rods are fixedly connected to both ends of the bottom of the stepped pedal. The rotating rods at both ends are inserted into the inside of the support frame for support. The rotating rods are rotatably connected inside the support frame for support. A plurality of stepped pedals are provided, and the plurality of stepped pedals are distributed in a stepped shape on the surface of the other side of the support frame for support. A rotating rod penetrates through the inside of the pedal railing. The rotating rod is rotatably connected inside the stepped pedal. When the pedal railing is in a vertical state, it is far away from the support frame for support.

[0016] A construction method for a multifunctional support component for assisting in foundation pit construction includes the following steps:

[0017] S1. Lift the support frame for support to the edge of the foundation pit and make the side where the limit plate is located fit with the edge of the foundation pit. Start the first DC motors on both sides to rotate the threaded rods so that the push plate is pushed into the inner part of the foundation pit wall to be fixed. Then, nail the built-in extended insertion rod deep into the foundation pit wall for reinforcement. The reverse hook fixing ring and the reverse hook hook the soil to make the support frame for support be nailed into the soil more stably;

[0018] S2. After fixation, install the upper pedal on the top of the support frame. Flip the stepped fixed insertion rod to an inclined state, then flip the stepped pedal to a horizontal state. Insert one end of the stepped fixed insertion rod into the inner part of the diagonal rod slot to fix the stepped pedal. After the stepped fixed insertion rod is inserted into the inner part of the diagonal rod slot, press the induction lamp switch button to turn on the induction lighting lamp. At this time, the stepped pedal is in a safe state supported, and rotate the pedal railing to be perpendicular to the stepped pedal to protect the staff going up and down the steps;

[0019] S3. Through the set lifting platform, when the second DC motors on both sides are started simultaneously, it can push the lifting block, the diagonal strut and the lifting platform to lift, realizing the transportation of materials. The skateboard on one side can achieve rapid unloading, and the weighing plate can weigh the materials, which is convenient for calculating the weight of the materials;

[0020] S4. After use, pull out the limit barrier rod so that the limit insertion rod at the other end of the built-in extension insertion rod squeezes into the inside of the built-in extension insertion rod during shaking, which is convenient for sliding out the reverse hook fixing ring, and thus convenient for pulling out the main fixed insertion rod and the built-in extension insertion rod to disassemble the support frame. Put away the stepped pedal and the stepped fixed insertion rod, and then the components can be transferred.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. Through the set first DC motor, when hoisting the support frame to the edge of the foundation pit, the surface where the limit plate is located can be attached to the edge of the foundation pit. Start the first DC motors on both sides to rotate the threaded rod, so that the pushing plate can be pushed into the inner part of the foundation pit wall to be fixed. Then nail the built-in extension insertion rod deep into the foundation pit wall for reinforcement. The reverse hook fixing ring and the reverse hook can hook the soil to make the support frame be nailed into the soil more stably.

[0023] 2. By flipping the stepped fixed insertion rod to an inclined state, then flipping the stepped pedal to a horizontal state, inserting one end of the stepped fixed insertion rod into the inner part of the diagonal rod slot to fix the stepped pedal. After the stepped fixed insertion rod is inserted into the inner part of the diagonal rod slot, press the induction lamp switch button to turn on the induction lighting lamp. At this time, the stepped pedal is in a safe state supported, which can give safety prompts during the day and provide lighting at night, and at the same time facilitate personnel to go up and down the foundation pit.

[0024] 3. Through the set lifting platform, when the second DC motors on both sides are started simultaneously, it can push the lifting block, the diagonal strut and the lifting platform to lift, realizing the transportation of materials. The skateboard on one side can achieve rapid unloading, and the weighing plate can weigh the materials, which is convenient for calculating the weight of the materials.

[0025] 4. In the present invention, by setting the limit barrier rod, when the limit barrier rod is pulled out, the limit rod at the other end of the built-in extension rod can be squeezed into the interior of the built-in extension rod during shaking, facilitating the sliding out of the reverse hook fixing ring, thereby facilitating the removal of the main fixing rod and the built-in extension rod to disassemble the support frame, and folding up the step pedal and the step fixing rod, which is convenient for transferring the components.

[0026] 5. In the present invention, by inserting the limit barrier rod between the limit rods on both sides, a part of the limit rod can be pushed out of the limit rod slot, and at the same time, the limit rod is limited to prevent the reverse hook from losing the block and slipping off the outside of the extension rod after the limit rod enters the interior of the limit slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic three-dimensional structure diagram proposed by the present invention;

[0028] Figure 2 is a schematic internal structure diagram of the front view proposed by the present invention;

[0029] Figure 3 is a schematic side view structure diagram proposed by the present invention;

[0030] Figure 4 is a schematic internal structure diagram of the top view proposed by the present invention;

[0031] Figure 5 is an enlarged schematic diagram of Structure A proposed by the present invention;

[0032] Figure 6 is an enlarged schematic diagram of Structure B proposed by the present invention;

[0033] Figure 7 is an enlarged schematic diagram of Structure C proposed by the present invention;

[0034] Figure 8 is an enlarged schematic diagram of Structure D proposed by the present invention;

[0035] Figure 9 is an enlarged schematic diagram of Structure E proposed by the present invention;

[0036] In the figure: 1, support and brace frame; 2, first DC motor; 3, push plate; 4, threaded rod; 5, limit plate; 6, rotating limit block; 7, support floor; 8, main fixed insertion rod; 9, built-in extension insertion rod; 10, limit barrier rod; 11, limit slot; 12, limit insertion rod slot; 13, limit insertion rod; 14, tip insertion rod; 15, reverse hook fixing ring; 16, reverse hook; 17, stepped pedal; 18, inclined rod slot; 19, induction lamp switch button; 20, induction lighting lamp; 21, stepped fixing insertion rod; 22, inclined rod recovery slot; 23, stepped pedal recovery slot; 24, screw limit slot; 25, limit threaded rod; 26, lifting platform; 27, weighing plate; 28, toughened glass guardrail; 29, inclined strut; 30, lifting block; 31, protection platform; 32, second DC motor; 33, strut slot; 34, slide plate; 35, upper pedal; 36, sheet waterproof coating; 37, pedal railing; 38, rotating rod. Detailed implementation manners

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Please refer to Figures 1-9 , the present invention provides a technical solution:

[0039] A multifunctional support component for assisting foundation pit construction, including a support and brace frame 1, a connection and limit component connected to the foundation pit is arranged inside the support and brace frame 1, a lifting component is arranged outside the support and brace frame 1, and a plurality of stepped components that gradually decrease are arranged on the side of the lifting component.

[0040] In the present invention, the connection and limit assembly includes a first DC motor 2, a push plate 3, a threaded rod 4, a limit plate 5, and a main fixed insertion rod 8. On one side inside the support and support frame 1, there is a push plate 3. The first DC motors 2 are symmetrically arranged inside the support and support frame 1. The output end of the first DC motor 2 is fixed with a threaded rod 4. The threaded rod 4 penetrates through the push plate 3 and is threadedly connected to the push plate 3. The end of the threaded rod 4 is connected to the limit plate 5. There is a rotating limit block 6 between the threaded rod 4 and the limit plate 5. The threaded rod 4 is fixedly connected to the rotating limit block 6. The limit plate 5 is rotatably connected to the rotating limit block 6. Inside the push plate 3, there is a main fixed insertion rod 8. Inside the main fixed insertion rod 8, there is an internal extended insertion rod 9. Inside the internal extended insertion rod 9, there are a limit insertion rod groove 12 and a limit slot 11. Inside the limit slot 11, there is a limit blocking rod 10 slidably connected. Inside the limit insertion rod groove 12, there is a limit insertion rod 13 slidably connected. One end of the internal extended insertion rod 9 is fixedly connected to a tip insertion rod 14. Outside the internal extended insertion rod 9, there is a reverse hook fixing ring 15. On the outside of the reverse hook fixing ring 15, there is a reverse hook 16.

[0041] In the present invention, the lifting assembly includes a screw limit groove 24, a limit threaded rod 25, a lifting platform 26, and a second DC motor 32. The screw limit groove 24 is arranged on the outer surface of the support and support frame 1. At the bottom of the screw limit groove 24, there is a second DC motor 32. The output end of the second DC motor 32 is connected to the limit threaded rod 25. On the outside of the limit threaded rod 25, there are a plurality of lifting blocks 30 connected. On the outside of the lifting blocks 30, there are respectively fixedly connected a lifting platform 26 and an inclined strut 29. The other end of the inclined strut 29 is connected to the bottom of the lifting platform 26. Below the lifting platform 26, there is a protection platform 31. Inside the protection platform 31, there is a strut slot 33 that meshes with the inclined strut 29. On the side of the protection platform 31, there is a sliding plate 34.

[0042] In the present invention, the step assembly includes a step pedal recovery groove 23 and an inclined rod recovery groove 22. Both the step pedal recovery groove 23 and the inclined rod recovery groove 22 are arranged on the outer surface of the support and support frame 1. Inside the step pedal recovery groove 23, there is a step pedal 17 rotatably connected. Inside the inclined rod recovery groove 22, there is a step fixed insertion rod 21 rotatably connected. At the bottom of the step pedal 17, there are symmetrically arranged inclined rod slots 18. The other end of the step fixed insertion rod 21 is inserted into the inside of the inclined rod slots 18 when the step pedal 17 rotates to the horizontal state. At the top of the step pedal recovery groove 23, there are induction lighting lamps 20. Inside the inclined rod slots 18, there is also an induction lamp switch button 19. The induction lamp switch button 19 is electrically connected to the induction lighting lamps 20.

[0043] In the present invention, the bottom of the support and support frame 1 is fixedly connected to a support bottom plate 7. The top of the support and support frame 1 is fixedly connected to an upper pedal 35. The edge of the limit plate 5 is flush with the edge of the support bottom plate 7. The upper pedal 35 is placed on the upper plane of the foundation pit.

[0044] In the present invention, a plurality of main fixed insertion rods 8 are provided, and the plurality of main fixed insertion rods 8 are equidistantly distributed inside the pushing plate 3. A waterproof coating 36 for the plate is further provided on the inner surface of the pushing plate 3, and the waterproof coating 36 for the plate fits against the edge of the foundation pit; the limiting slot 11 is located at the center of the inner part of the built-in extended insertion rod 9, and the limiting insertion rod slot 12 is located at the inner part of one end of the built-in extended insertion rod 9. The limiting slot 11 and the limiting insertion rod slot 12 are arranged perpendicularly; two limiting insertion rods 13 are provided, and the two limiting insertion rods 13 are respectively distributed on both sides inside the built-in extended insertion rod 9. When the limiting barrier rod 10 is located between the two limiting insertion rods 13, one end of the limiting insertion rod 13 extends to the outside of the built-in extended insertion rod 9; the limiting barrier rod 10 penetrates through the center of the inner part of the built-in extended insertion rod 9, and one end of the limiting barrier rod 10 penetrates through the pushing plate 3 and is located outside the pushing plate 3.

[0045] In the present invention, two screw limiting slots 24 are provided, and second DC motors 32 are fixedly connected to the bottoms of the two screw limiting slots 24. The two diagonal struts 29 are respectively distributed on both sides of the bottom of the lifting platform 26, and the other ends of the diagonal struts 29 are far away from the screw limiting slots 24; one side of the protection platform 31 is fixedly connected to the support frame 1 for support. The sliding plate 34 is arranged obliquely and the other end of the sliding plate 34 contacts the ground. When the lifting platform 26 slides above the protection platform 31, the diagonal strut 29 is inserted into the inside of the strut slot 33.

[0046] In the present invention, a weighing plate 27 is arranged inside the lifting platform 26, and a tempered glass guardrail 28 is further fixedly connected to the outside of the lifting platform 26.

[0047] In the present invention, rotating rods are fixedly connected to both ends of the bottom of the stepped pedal 17, and the two rotating rods are respectively inserted into the inside of the support frame 1 for support. The rotating rods are rotatably connected inside the support frame 1 for support. A plurality of stepped pedals 17 are provided, and the plurality of stepped pedals 17 are distributed in a stepped manner on the surface of the other side of the support frame 1 for support. A rotating rod 38 is penetrated through the inside of the pedal railing 37, and the rotating rod 38 is rotatably connected inside the stepped pedal 17. When the pedal railing 37 is in a vertical state, it is far away from the support frame 1 for support.

[0048] A construction method for a multifunctional support component for assisting in foundation pit construction includes the following steps:

[0049] S1. Hoist the support frame 1 to the edge of the foundation pit and make the side where the limit plate 5 is located fit with the edge of the foundation pit. Start the first DC motors 2 on both sides to rotate the threaded rods 4, so that the push plates 3 can be pushed into the inner part of the foundation pit wall to be fixed. Then nail the built-in extension rod 9 deep into the foundation pit wall for reinforcement. The reverse hook fixing ring 15 and the reverse hook 16 hook the soil to make the support frame 1 be nailed into the soil more stably;

[0050] S2. After fixation, install the upper pedal 35 on the top of the support frame 1. Flip the stepped fixed rod 21 to an inclined state, and then flip the stepped pedal 17 to a horizontal state. Insert one end of the stepped fixed rod 21 into the inner part of the inclined rod slot 18 to fix the stepped pedal 17. After the stepped fixed rod 21 is inserted into the inner part of the inclined rod slot 18, press the induction lamp switch button 19 to turn on the induction illuminating lamp 20. At this time, the stepped pedal 17 is in a safe state of being supported. Rotate the pedal railing 37 to be perpendicular to the stepped pedal 17 to protect the staff going up and down the steps through the pedal railing 37;

[0051] S3. Through the set lifting platform 26, when the second DC motors 32 on both sides are started simultaneously, the lifting block 30, the diagonal strut 29 and the lifting platform 26 can be pushed to lift, realizing the transportation of materials. The slide plate 34 on one side can achieve rapid unloading, and the weighing plate 27 can weigh the materials, facilitating the calculation of the material weight;

[0052] S4. After use, pull out the limit barrier rod 10 so that the limit rod 13 at the other end of the built-in extension rod 9 is squeezed into the inner part of the built-in extension rod 9 during shaking, facilitating the sliding out of the reverse hook fixing ring 15, and thus facilitating the pulling out of the main fixing rod 8 and the built-in extension rod 9 to disassemble the support frame 1. Put away the stepped pedal 17 and the stepped fixed rod 21, and then the components can be transferred.

[0053] Embodiment 1

[0054] During use, hoist the support frame 1 to the edge of the foundation pit and make the side where the limit plate 5 is located fit with the edge of the foundation pit. Start the first DC motors 2 on both sides to rotate the threaded rods 4, so that the pushing plates 3 can be pushed into the inner part of the foundation pit wall for fixation. Then, nail the built-in extension rod 9 into the deep part of the foundation pit wall for reinforcement. After fixation, install the upper pedal 35 on the top of the support frame 1. Flip the stepped fixed rod 21 to an inclined state, and then flip the stepped pedal 17 to a horizontal state. Insert one end of the stepped fixed rod 21 into the inner part of the inclined rod slot 18 to fix the stepped pedal 17. After the stepped fixed rod 21 is inserted into the inner part of the inclined rod slot 18, press the induction lamp switch button 19 to turn on the induction lighting lamp 20. At this time, the stepped pedal 17 is in a safe state supported, which can provide safety prompts during the day, provide lighting at night, and facilitate personnel to go up and down the foundation pit. Through the set lifting platform 26, when the second DC motors 32 on both sides are started simultaneously, the lifting block 30, the inclined strut 29 and the lifting platform 26 can be pushed to lift, realizing the transportation of materials. After use, pull out the limit barrier rod 10, so that the limit rod 13 at the other end of the built-in extension rod 9 can be squeezed into the inner part of the built-in extension rod 9 during shaking, which is convenient for sliding out the reverse hook fixing ring 15, and thus convenient for pulling out the main fixed rod 8 and the built-in extension rod 9 to disassemble the support frame 1.

[0055] Embodiment 2:

[0056] During use, hoist the support frame 1 to the edge of the foundation pit and make the side where the limit plate 5 is located fit with the edge of the foundation pit. Start the first DC motors 2 on both sides to rotate the threaded rods 4, so that the pushing plates 3 can be pushed into the inner part of the foundation pit wall to be fixed. Then drive the built-in extension rods 9 into the deep part of the foundation pit wall for reinforcement. The reverse hook fixing rings 15 and reverse hooks 16 hook the soil to drive the support frame 1 more stably into the soil. After fixation, install the upper pedal 35 on the top of the support frame 1. Flip the stepped fixing rod 21 to an inclined state, and then flip the stepped pedal 17 to a horizontal state. Insert one end of the stepped fixing rod 21 into the inner part of the inclined rod slot 18 to fix the stepped pedal 17. After the stepped fixing rod 21 is inserted into the inner part of the inclined rod slot 18, press the induction lamp switch button 19 to turn on the induction lighting lamp 20. At this time, the stepped pedal 17 is in a safe state supported, which can give safety prompts during the day, provide lighting at night, and facilitate personnel to get on and off the foundation pit. Rotate the pedal railing 37 to be perpendicular to the stepped pedal 17 to protect the staff getting on and off the steps through the pedal railing 37. By setting the lifting platform 26, when the second DC motors 32 on both sides are started simultaneously, the lifting block 30, the diagonal strut 29 and the lifting platform 26 can be pushed to lift, realizing the transportation of materials. The slide plate 34 on one side can achieve rapid unloading. The weighing plate 27 can weigh the materials, facilitating the calculation of the material weight. The limit blocking rod 10 is inserted between the limit rods 13 on both sides, which can push a part of the limit rod 13 out of the limit rod slot 12, and at the same time limit the limit rod 13 to prevent the reverse hook 16 from slipping off the outside of the extension rod 9 after the limit rod 13 enters the limit slot 11. After use, pull out the limit blocking rod 10, so that the limit rod 13 at the other end of the built-in extension rod 9 can be squeezed into the built-in extension rod 9 during shaking, facilitating the sliding out of the reverse hook fixing ring 15, and thus facilitating the extraction of the main fixing rod 8 and the built-in extension rod 9 to disassemble the support frame 1. Put away the stepped pedal 17 and the stepped fixing rod 21, and then the components can be transferred.

[0057] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0058] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. A multifunctional support component for auxiliary foundation pit construction, comprising a support frame (1), characterized in that: A connection and limit component connected to the foundation pit is arranged inside the support and bracing frame (1). A lifting component is arranged outside the support and bracing frame (1). The lifting component includes a lifting platform (26). A weighing plate (27) is arranged inside the lifting platform (26). A plurality of step components that decrease layer by layer are arranged on the side of the lifting component. The connection and limit component includes a first DC motor (2), a push plate (3), a threaded rod (4), a limit plate (5), and a main fixed insertion rod (8). A push plate (3) is arranged on one side inside the support and bracing frame (1). First DC motors (2) are symmetrically arranged inside the support and bracing frame (1). The output end of the first DC motor (2) is fixed with a threaded rod (4). The threaded rod (4) penetrates through the push plate (3) and is in threaded connection with the push plate (3). The end of the threaded rod (4) is connected to a limit plate (5). A rotating limit block (6) is arranged between the threaded rod (4) and the limit plate (5). The threaded rod (4) is fixedly connected to the rotating limit block (6). The limit plate (5) is rotatably connected to the rotating limit block (6). A main fixed insertion rod (8) is arranged inside the push plate (3). An internal extended insertion rod (9) is arranged through the main fixed insertion rod (8). A limit insertion rod groove (12) and a limit slot (11) are arranged inside the internal extended insertion rod (9). A limit blocking rod (10) is slidably connected inside the limit slot (11). A limit insertion rod (13) is slidably connected inside the limit insertion rod groove (12). One end of the internal extended insertion rod (9) is fixedly connected to a tip insertion rod (14). A reverse hook fixing ring (15) is sleeved outside the internal extended insertion rod (9). A reverse hook (16) is fixedly connected to the outside of the reverse hook fixing ring (15). The number of the main fixed insertion rods (8) is several. The several main fixed insertion rods (8) are equidistantly distributed inside the push plate (3). A plate waterproof coating (36) is further arranged on the inner surface of the push plate (3). The plate waterproof coating (36) is attached to the edge of the foundation pit. The limit slot (11) is located at the central position inside the internal extended insertion rod (9). The limit insertion rod groove (12) is located inside one end of the internal extended insertion rod (9). The limit slot (11) and the limit insertion rod groove (12) are vertically arranged. The number of the limit insertion rods (13) is two. The two limit insertion rods (13) are respectively distributed on both sides inside the internal extended insertion rod (9). When the limit blocking rod (10) is located between the two limit insertion rods (13) on both sides, one end of the limit insertion rod (13) extends to the outside of the internal extended insertion rod (9). The limit blocking rod (10) penetrates through the central position inside the internal extended insertion rod (9). One end of the limit blocking rod (10) penetrates through the push plate (3) and is located outside the push plate (3). The bottom of the support frame (1) is fixedly connected with a support bottom plate (7), the top of the support frame (1) is fixedly connected with an upper pedal (35), the edge of the limit plate (5) is flush with the edge of the support bottom plate (7), and the upper pedal (35) is placed on the plane above the foundation pit.

2. The multifunctional support assembly for assisting foundation pit construction according to claim 1, wherein: The lifting assembly includes a screw limiting groove (24), a limiting threaded rod (25), a lifting platform (26) and a second DC motor (32). The screw limiting groove (24) is arranged on the outer surface of the support frame (1). The second DC motor (32) is arranged at the bottom of the screw limiting groove (24). The output end of the second DC motor (32) is connected with the limiting threaded rod (25). A plurality of lifting blocks (30) are connected to the outside of the limiting threaded rod (25). The outside of the lifting blocks (30) is fixedly connected with a lifting platform (26) and an inclined strut (29) respectively. The other end of the inclined strut (29) is connected to the bottom of the lifting platform (26). A protection platform (31) is arranged below the lifting platform (26). A strut slot (33) meshing with the inclined strut (29) is arranged inside the protection platform (31). A slide plate (34) is arranged on the side of the protection platform (31).

3. The multifunctional support assembly for assisting foundation pit construction according to claim 2, wherein: The step assembly includes a step pedal recovery groove (23) and an inclined rod recovery groove (22). The step pedal recovery groove (23) and the inclined rod recovery groove (22) are both arranged on the outer surface of the support frame (1). A step pedal (17) is rotatably connected inside the step pedal recovery groove (23). A step fixing plug rod (21) is rotatably connected inside the inclined rod recovery groove (22). Oblique rod slots (18) are symmetrically arranged at the bottom of the step pedal (17). When the step pedal (17) rotates to the horizontal state, the other end of the step fixing plug rod (21) is inserted into the inside of the oblique rod slots (18). Inductive lighting lamps (20) are arranged at the top of the step pedal recovery groove (23). An inductive lamp switch button (19) is also arranged inside the oblique rod slots (18). The inductive lamp switch button (19) is electrically connected with the inductive lighting lamps (20).

4. The multifunctional support assembly for assisting foundation pit construction according to claim 3, wherein: The number of the screw limiting grooves (24) is two. The second DC motors (32) are fixedly connected to the bottoms of the two screw limiting grooves (24). The inclined struts (29) on both sides are respectively distributed on both sides of the bottom of the lifting platform (26). The other end of the inclined strut (29) is far away from the screw limiting groove (24). One side of the protection platform (31) is fixedly connected with the support frame (1). The slide plate (34) is arranged obliquely and the other end of the slide plate (34) contacts the ground. When the lifting platform (26) slides above the protection platform (31), the inclined strut (29) is inserted into the inside of the strut slot (33).

5. The multifunctional support assembly for assisting foundation pit construction according to claim 4, wherein: A toughened glass guardrail (28) is also fixedly connected to the outside of the lifting platform (26).

6. The multifunctional support assembly for assisting foundation pit construction according to claim 5, characterized in that: Both ends of the bottom of the stepped pedal (17) are fixedly connected with rotating rods. The rotating rods at both ends are inserted into the interior of the supporting support frame (1). The rotating rods are rotatably connected inside the supporting support frame (1). The number of the stepped pedals (17) is set to be several. The several stepped pedals (17) are distributed in a stepped shape on the surface of the other side of the supporting support frame (1). A rotating rod (38) is penetrated inside the pedal railing (37). The rotating rod (38) is rotatably connected inside the stepped pedal (17). When the pedal railing (37) is in a vertical state, it is far away from the supporting support frame (1).

7. The construction method of a multi-functional support component for assisting foundation pit construction according to claim 6, characterized in that, It includes the following steps: S1. Hoist the supporting support frame (1) to the edge of the foundation pit and make the side where the limiting plate (5) is located fit with the edge of the foundation pit. Start the first DC motors (2) on both sides to rotate the threaded rods (4), so that the pushing plates (3) can be pushed into the interior of the foundation pit wall and inserted into the pit wall for fixation. Then drive the built-in extension rods (9) into the deep part of the foundation pit wall for reinforcement. The supporting support frame (1) can be more stably driven into the soil by the reverse hook fixing ring (15) and the reverse hook (16) hooking the soil; S2. After fixation, install the upper pedal (35) on the top of the supporting support frame (1). Turn the stepped fixing rod (21) to an inclined state, and then turn the stepped pedal (17) to a horizontal state. Insert one end of the stepped fixing rod (21) into the interior of the inclined rod slot (18) to fix the stepped pedal (17). After the stepped fixing rod (21) is inserted into the interior of the inclined rod slot (18), press the induction lamp switch button (19) to turn on the induction illuminating lamp (20). At this time, the stepped pedal (17) is in a safe state supported. Rotate the pedal railing (37) to be perpendicular to the stepped pedal (17) so as to protect the staff going up and down the steps through the pedal railing (37); S3. Through the provided lifting platform (26), when the second DC motors (32) on both sides are started simultaneously, the lifting block (30), the diagonal strut (29) and the lifting platform (26) can be pushed to lift, realizing the transportation of materials. The slide plate (34) on one side can realize rapid unloading. The weighing plate (27) can weigh the materials, which is convenient for calculating the weight of the materials; S4. After use, pull out the limiting barrier rod (10) so that the limiting rod (13) at the other end of the built-in extension rod (9) can be squeezed into the interior of the built-in extension rod (9) during shaking, which is convenient for sliding out the reverse hook fixing ring (15). Thus, it is convenient to pull out the main fixing rod (8) and the built-in extension rod (9) to disassemble the supporting support frame (1). Fold up the stepped pedal (17) and the stepped fixing rod (21), and then the components can be transferred.

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