Foundation pit waterproof backfilling integrated rapid construction equipment and method

Abstract

The invention relates to the technical field of constructional engineering, in particular to foundation pit waterproof and backfilling integrated rapid construction equipment and method.The foundation pit waterproof and backfilling integrated rapid construction equipment comprises a stirring machine, a foaming machine, a pump truck and a conveying pipeline; the stirrer comprises a frame body, a mixing bin, a double-shaft motor, a supporting rod, a supporting plate, a transmission assembly, two stirring assemblies, a displacement assembly, two racks, two synergistic gears and a U-shaped piece, the mixing bin is arranged on the frame body, the U-shaped piece is rotationally connected with the mixing bin, the two synergistic gears are fixedly connected with the U-shaped piece, the supporting plate is arranged on the frame body, the two stirring assemblies are arranged on the supporting plate, and the displacement assembly is arranged on the supporting plate. The double-shaft motor is mounted on the frame body, and the two output ends of the double-shaft motor are connected with the supporting rod and the displacement assembly correspondingly, so that the technical problems that in the prior art, equipment for mixing the foundation pit backfill raw materials has a stirring blind area during actual use, the raw materials are difficult to fully mix, and construction is affected are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering, and particularly relates to a foundation pit waterproof backfill integrated rapid construction equipment and method. BACKGROUND

[0002] In the field of building engineering, foundation pit backfill construction is a key link to ensure the stability and durability of buildings, and its construction quality is directly related to the safety and long-term performance of the entire building structure. With the continuous progress of building technology and the increasing demand for building quality, the importance of foundation pit backfill construction is increasingly prominent. High-quality foundation pit backfill not only can provide solid foundation support for buildings and effectively avoid problems such as uneven settlement, but also can play a role in waterproofing, heat insulation and other aspects to some extent, improving the overall performance and service life of buildings.

[0003] During the foundation pit backfill construction process, various raw materials need to be mixed and backfilled into the foundation pit. These raw materials may include sand and gravel of different particle sizes, cement, additives, and waterproof materials, etc. Through scientific and reasonable mixing, various raw materials can fully play their characteristics to form backfill materials with good mechanical properties, waterproof performance and stability, thereby better meeting the various requirements of foundation pit backfill.

[0004] However, the existing equipment for mixing foundation pit backfill raw materials has a stirring blind area during actual use, which makes it difficult to fully mix the raw materials and affects the construction. SUMMARY

[0005] The present application relates to the technical field of building engineering, and particularly relates to a foundation pit waterproof backfill integrated rapid construction equipment and method.

[0006] To achieve the above-mentioned purpose, a foundation pit waterproof backfill integrated rapid construction equipment is adopted, which comprises a mixer, a foaming machine, a pump truck and a conveying pipeline, the foaming machine and the pump truck are connected with the mixer, and the conveying pipeline is connected with the pump truck.

[0007] The stirring machine comprises a frame body, a mixing bin, a double-shaft motor, a supporting rod, a supporting plate, a transmission assembly, two groups of stirring assemblies, a displacement assembly, two racks, two efficiency gears and a U-shaped piece, the mixing bin is arranged on the frame body, the U-shaped piece is rotationally connected with the mixing bin, the two efficiency gears are fixedly connected with the U-shaped piece, the supporting plate is arranged on the frame body, the two groups of stirring assemblies are arranged on the supporting plate, the double-shaft motor is installed on the frame body, the two output ends of the double-shaft motor are connected with the supporting rod and the displacement assembly respectively, the two racks are arranged on the displacement assembly, and the supporting rod is connected with the two groups of stirring assemblies through the transmission assembly.

[0008] The stirring assembly comprises a follower and a stirring rod, the follower is rotationally connected with the supporting plate, and the stirring rod is fixedly connected with the follower.

[0009] The transmission assembly comprises a sliding rod, a driving toothed gear, a toothed belt and two driven toothed gears, the sliding rod is slidingly connected with the supporting rod and rotationally connected with the supporting plate, the driving toothed gear is fixedly connected with the sliding rod, the two driven toothed gears are fixedly connected with the corresponding followers respectively, and the toothed belt is wound on the driving toothed gear and the two driven toothed gears.

[0010] The displacement assembly comprises a disc, a bearing rod and a sliding piece, the sliding piece is slidingly connected with the frame body, the sliding piece has a through hole, the disc is fixedly connected with the corresponding output end of the motor, one end of the bearing rod is fixedly connected with the disc, and the other end of the bearing rod is arranged in the through hole.

[0011] The sliding piece comprises two guide rods and C-shaped rods, one end of each of the two guide rods is slidingly connected with the frame body, the other end of each of the two guide rods is fixedly connected with the C-shaped rod, and the C-shaped rod is fixedly connected with the two racks.

[0012] The application also provides a foundation pit waterproof backfill integrated rapid construction method using the foundation pit waterproof backfill integrated rapid construction equipment,

[0013] The method comprises the following steps:

[0014] First, the cement, aerogel and aggregate are put into the mixing bin for dry mixing, then the water glass solution and water are added for wet mixing, so that the cement particles are fully dispersed and start to hydrate, and a cement paste with fluidity is formed;

[0015] Then, the foaming machine is used to prepare the foam, and the foam is added into the mixing bin for continuous stirring, so that the foam is uniformly dispersed in the mixture to form the aerogel thermal insulation waterproof concrete.

[0016] After removing sundries, accumulated water, silt and loose soil layer in the foundation pit, ensuring that the bottom and side wall of the foundation pit are clean, dry and solid, the side wall and bottom of the foundation pit are trimmed;

[0017] Then, the aerogel thermal insulation waterproof concrete is added into the pump truck and poured backfilling through the conveying pipeline by the pump truck;

[0018] After pouring, surface treatment and maintenance are carried out.

[0019] During pouring backfilling, a layered pouring method is adopted, the pouring thickness of each layer is 300-500mm, and the pouring sequence is from one end of the foundation pit to the other end or symmetrically from the middle to both sides, so as to ensure that the concrete is uniformly filled in the foundation pit.

[0020] During backfilling, the local over-excavated parts are backfilled with concrete or sandstone having the same strength grade as the backfilling material.

[0021] In the specific use, the cement, aerogel and aggregate are put into the mixing bin, the double-shaft motor is started, one output end of the double-shaft motor drives the support rod to rotate, the support rod drives the two groups of stirring assemblies to stir the materials through the transmission assembly, at the same time, the other output end of the double-shaft motor drives the two racks to reciprocate through the displacement assembly, the two racks drive the two efficiency gears to reciprocate, the rotation of the two efficiency gears drives the U-shaped piece to reciprocate, thereby driving the materials at the bottom of the mixing bin to move, avoiding the stirring blind area, adding water glass solution and water for wet mixing under continuous stirring, so that the cement particles are fully dispersed and start hydration reaction to form cement paste with fluidity, then the foaming machine is used to prepare foam, the foam is added into the mixing bin, and continuous stirring is carried out to uniformly disperse the foam in the mixed material to form the aerogel thermal insulation waterproof concrete; then, the sundries, accumulated water, silt and loose soil layer in the foundation pit are removed, ensuring that the bottom and side wall of the foundation pit are clean, dry and solid, the side wall and bottom of the foundation pit are trimmed; then, the aerogel thermal insulation waterproof concrete is added into the pump truck and poured backfilling through the conveying pipeline by the pump truck; after pouring, surface treatment and maintenance are carried out, thereby solving the technical problem that the existing equipment for mixing backfilling raw materials of the foundation pit has a stirring blind area in actual use, which makes it difficult to fully mix the raw materials and affects the construction. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to make the technical solutions of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative effort based on these drawings.

[0023] Figure 1 is a schematic diagram of the first embodiment of the present application.

[0024] Figure 2 is a structural schematic diagram of the first embodiment of the present application.

[0025] Figure 3 is a front view of the first embodiment of the present application.

[0026] Figure 4 is a bottom view of the first embodiment of the present application.

[0027] Figure 5 is a structural sectional view of the A-A line of the first embodiment of the present application. Figure 3

[0028] is a structural schematic diagram of the second embodiment of the present application. Figure 6

[0029] is a flow chart of the foundation pit waterproof backfill integrated rapid construction method of the present application. Figure 7

[0030] 101-mixer, 102-foaming machine, 103-pump truck, 104-conveying pipeline, 105-frame body, 106-mixing bin, 107-double-shaft motor, 108-branch rod, 109-branch plate, 110-rack, 111-efficiency gear, 112-U-shaped piece, 113-follower rod, 114-stirring rod, 115-sliding rod, 116-driving gear, 117-toothed belt, 118-driven gear, 119-disc, 120-abutment rod, 121-guide rod, 122-C-shaped rod, 123-through hole, 201-sliding block, 202-branch block, 203-connection block, 204-protection plate, 205-slotted guide. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be described in detail below, examples of which are shown in the accompanying drawings, and the embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0032] The first embodiment, please refer to Figures 1 to 5 , Figure 1 is a schematic diagram of the first embodiment of the present application. Figure 2 ​Fig. 1 is a structural schematic diagram of a first embodiment of the present application. Figure 3 Fig. 2 is a front view of the first embodiment of the present application. Figure 4 Fig. 3 is a bottom view of the first embodiment of the present application. Figure 5 Fig. 4 is a sectional view of the A-A line of the first embodiment of the present application. Figure 3 Fig. 5 is a sectional view of the B-B line of the first embodiment of the present application.

[0033] The application provides a foundation pit waterproof backfill integrated rapid construction equipment, including mixer 101, foaming machine 102, pump truck 103 and conveying pipeline 104, the mixer 101 includes frame body 105, mixing bin 106, double-shaft motor 107, support rod 108, support plate 109, transmission assembly, two groups of stirring assembly, displacement assembly, two racks 110, two efficiency gears 111 and U-shaped piece 112, the stirring assembly includes follow-up rod 113 and stirring rod 114, the transmission assembly includes slide rod 115, driving belt gear 116, belt gear 117 and two driven belt gears 118, the displacement assembly includes disc 119, abutting rod 120 and sliding part, the sliding part includes two guide rods 121 and C-shaped rod 122, the foregoing technical scheme solves the technical problem that the equipment for mixing foundation pit backfill raw materials in the prior art has a stirring blind area in actual use, so that it is difficult to fully mix the raw materials, and affects construction.

[0034] For this specific embodiment, the foaming machine 102 and the pump truck 103 are connected with the mixer 101, the conveying pipeline 104 is connected with the pump truck 103; the mixing bin 106 is arranged on the frame body 105, the U-shaped piece 112 is rotatably connected with the mixing bin 106, the two efficiency gears 111 are fixedly connected with the U-shaped piece 112, the supporting plate 109 is arranged on the frame body 105, the two groups of stirring assemblies are arranged on the supporting plate 109, the double-shaft motor 107 is installed on the frame body 105, the two output ends of the double-shaft motor 107 are connected with the supporting rod 108 and the displacement assembly respectively, the two racks 110 are arranged on the displacement assembly, and the supporting rod 108 is connected with the two groups of stirring assemblies through the transmission assembly. In actual use, cement, aerogel and aggregates are put into the mixing bin 106, the double-shaft motor 107 is started, one output end of the double-shaft motor 107 drives the supporting rod 108 to rotate, the supporting rod 108 drives the two groups of stirring assemblies to stir the materials through the transmission assembly, at the same time, the other output end of the double-shaft motor 107 drives the two racks 110 to reciprocate through the displacement assembly, the two racks 110 drive the two efficiency gears 111 to reciprocate, the two efficiency gears 111 drive the U-shaped piece 112 to reciprocate, and then the materials at the bottom of the mixing bin 106 are moved, so that the stirring blind area is avoided. Under continuous stirring, water glass solution and water are added for wet mixing, so that cement particles are fully dispersed and start to hydrate, forming cement paste with fluidity. Then, foam is prepared by the foaming machine 102 and added to the mixing bin 106, and stirring is continued to make the foam uniformly dispersed in the mixture to form aerogel thermal insulation waterproof concrete. Then, the sundries, accumulated water, silt and loose soil layer in the foundation pit are removed to ensure that the bottom surface and side wall of the foundation pit are clean, dry and solid. The side wall and bottom surface of the foundation pit are trimmed, then the aerogel thermal insulation waterproof concrete is added to the pump truck 103, and the pump truck 103 pours and backfills through the conveying pipeline 104. After pouring is completed, surface treatment and maintenance are carried out, so that the technical problem that the existing equipment for mixing foundation pit backfilling raw materials has a stirring blind area in actual use, so that it is difficult to fully mix the raw materials and affects construction is solved.

[0035] The follow-up rod 113 is rotationally connected with the support plate 109, the stirring rod 114 is fixedly connected with the follow-up rod 113, the follow-up rod 113 is rotationally connected with the support plate 109, the stirring rod 114 is fixedly connected with the follow-up rod 113, the sliding rod 115 is slidingly connected with the support rod 108, and the sliding rod 115 is rotationally connected with the support plate 109, the driving gear 116 is fixedly connected with the sliding rod 115, two driven gears 118 are respectively fixedly connected with corresponding follow-up rods 113, and the toothed belt 117 is wound on the driving gear 116 and the two driven gears 118; when the support rod 108 rotates, the support rod 108 drives the sliding rod 115 to rotate, the sliding rod 115 drives the driving gear 116 to rotate, the driving gear 116 drives the two driven gears 118 to rotate through the toothed belt 117, the two driven gears 118 drive the two follow-up rods 113 to rotate, and the two follow-up rods 113 further drive the stirring rod 114 to rotate to stir the material.

[0036] Secondly, the sliding piece is slidingly connected with the frame body 105, the sliding piece has a through hole 123, the disc 119 is fixedly connected with the corresponding output end of the motor, one end of the abutting rod 120 is fixedly connected with the disc 119, the other end of the abutting rod 120 is arranged in the through hole 123, the disc 119 is driven to rotate by the corresponding output end of the double-shaft motor 107, the disc 119 drives the abutting rod 120 to slide in the through hole 123, thereby driving the sliding piece to reciprocate, and the sliding piece reciprocating drives the two racks 110 to reciprocate.

[0037] Thirdly, one end of each of the two guide rods 121 is slidingly connected with the frame body 105, the other end of each of the two guide rods 121 is fixedly connected with the C-shaped rod 122, and the C-shaped rod 122 is fixedly connected with the two racks 110, the abutting rod 120 drives the C-shaped rod 122 to reciprocate when rotating, and the C-shaped rod 122 drives the two guide rods 121 to slide on the frame body 105.

[0038] When the base pit waterproof backfill integrated rapid construction equipment is used, cement, aerogel and aggregate are put into the mixing bin 106, the double-shaft motor 107 is started, one output end of the double-shaft motor 107 drives the supporting rod 108 to rotate, the supporting rod 108 drives two groups of the stirring assemblies to stir the materials through the transmission assembly, at the same time, the other output end of the double-shaft motor 107 drives two racks 110 to reciprocate through the displacement assembly, the two racks 110 drive two efficiency gears 111 to reciprocate, the two efficiency gears 111 drive the U-shaped piece 112 to reciprocate, thereby driving the materials at the bottom of the mixing bin 106 to move, so that the stirring blind area is avoided, the water glass solution and water are added for wet mixing under continuous stirring, so that the cement particles are fully dispersed and start to hydrate, the cement paste with fluidity is formed, then the foaming machine 102 is used to prepare the foam, the foam is added into the mixing bin 106, and the stirring is continued, so that the foam is uniformly dispersed in the mixture to form the aerogel thermal insulation waterproof concrete; then the sundries, accumulated water, silt and loose soil layer in the base pit are removed, so that the bottom surface and the side wall of the base pit are clean, dry and solid; the base pit side wall and the bottom surface are trimmed; then the aerogel thermal insulation waterproof concrete is added into the pump truck 103, and the pump truck 103 pours and backfills through the conveying pipeline 104; after pouring and backfilling are completed, the surface treatment and curing are performed, so that the technical problem that the existing equipment for mixing base pit backfill raw materials has a stirring blind area in actual use, so that the raw materials are difficult to be fully mixed and the construction is affected is solved.

[0039] The second embodiment will be described below. Figure 6 , Figure 6 is a structural schematic diagram of the second embodiment of the present application.

[0040] Based on the first embodiment, the present application provides a base pit waterproof backfill integrated rapid construction equipment, which further comprises a sliding block 201, two supporting blocks 202 and two connecting blocks 203.

[0041] For the specific embodiment, the frame body 105 has a sliding groove 205, the sliding block 201 is in sliding connection with the sliding groove 205, the sliding block 201 is fixedly connected with the supporting plate 109, both the supporting blocks 202 are fixedly connected with the supporting plate 109, both ends of the connecting block 203 are hingedly connected with the corresponding supporting block 202 and the C-shaped rod 122 respectively, when the C-shaped rod 122 moves, both ends of the connecting block 203 are driven to rotate on the corresponding supporting block 202 and the C-shaped rod 122 respectively, when both ends of the connecting block 203 rotate, the supporting plate 109 is lifted, the supporting plate 109 drives the sliding block 201 to slide in the sliding groove 205, so that the stirring assembly can stir up and down, and the stirring and mixing effect is further improved.

[0042] Again, the protective plates 204 are respectively installed on both sides of the mixing bin 106, and the two protective plates 204 cover the two efficiency gears 111, so that the two efficiency gears 111 can be protected from being damaged.

[0043] The base pit waterproof backfill integrated rapid construction equipment is used, the frame body 105 has a sliding groove 205, the sliding block 201 is in sliding connection with the sliding groove 205, the sliding block 201 is fixedly connected with the supporting plate 109, both the supporting blocks 202 are fixedly connected with the supporting plate 109, both ends of the connecting block 203 are hingedly connected with the corresponding supporting block 202 and the C-shaped rod 122 respectively, when the C-shaped rod 122 moves, both ends of the connecting block 203 are driven to rotate on the corresponding supporting block 202 and the C-shaped rod 122 respectively, when both ends of the connecting block 203 rotate, the supporting plate 109 is lifted, the supporting plate 109 drives the sliding block 201 to slide in the sliding groove 205, so that the stirring assembly can stir up and down, and the stirring and mixing effect is further improved.

[0044] Please refer to Figure 7 , Figure 7 is the flow chart of the base pit waterproof backfill integrated rapid construction method.

[0045] The application also provides a base pit waterproof backfill integrated rapid construction method, which adopts the base pit waterproof backfill integrated rapid construction equipment,

[0046] comprising the following steps:

[0047] First, the cement, aerogel and aggregate are put into the mixing bin 106 for dry mixing, then the water glass solution and water are added for wet mixing, so that the cement particles are fully dispersed and start to hydrate, and a cement slurry with fluidity is formed;

[0048] Then the foaming machine 102 is used to prepare the foam, and the foam is added into the mixing bin 106, and the mixing is continued to make the foam evenly dispersed in the mixture to form the aerogel thermal insulation waterproof concrete;

[0049] Afterwards, the sundries, accumulated water, silt and loose soil layer in the foundation pit are removed to ensure that the bottom surface and the sidewall of the foundation pit are clean, dry and solid, and the sidewall and the bottom surface of the foundation pit are trimmed;

[0050] Subsequently, the aerogel thermal insulation waterproof concrete is added into the pump truck 103, and the pump truck 103 pours and backfills the aerogel thermal insulation waterproof concrete through the conveying pipeline 104.

[0051] After the pouring is completed, the surface treatment and curing are performed.

[0052] During the pouring and backfilling, the layer-by-layer pouring method is adopted, the pouring thickness of each layer is 300-500 mm, the pouring sequence is from one end of the foundation pit to the other end or from the middle to the two sides symmetrically, and the concrete is uniformly filled in the foundation pit.

[0053] During the backfilling, the concrete or the sandstone with the same strength grade as the backfilling material is used to backfill the local over-excavated parts.

[0054] The above only discloses one preferred embodiment of the present application, and of course cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope of the present application.

Claims

1. A foundation pit waterproofing backfill integrated rapid construction equipment, characterized in that: It includes a mixer, a foaming machine, a pump truck and a delivery pipeline, wherein the foaming machine and the pump truck are both connected to the mixer, and the delivery pipeline is connected to the pump truck; The mixer includes a frame, a mixing bin, a dual-axis motor, a support rod, a support plate, a transmission assembly, two groups of mixing assemblies, a displacement assembly, two racks, two synergistic gears and a U-shaped piece. The mixing bin is arranged on the frame, the U-shaped piece is rotatably connected to the mixing bin, the two synergistic gears are fixedly connected to the U-shaped piece, the support plate is arranged on the frame, the two groups of mixing assemblies are arranged on the support plate, the dual-axis motor is installed on the frame, the two output ends of the dual-axis motor are respectively connected to the support rod and the displacement assembly, the two racks are arranged on the displacement assembly, and the support rod is connected to the two groups of mixing assemblies through the transmission assembly.

2. The integrated rapid construction equipment for foundation pit waterproofing and backfilling according to claim 1, characterized in that: The stirring assembly includes a follower rod and a stirring rod, the follower rod is rotatably connected to the support plate, and the stirring rod is fixedly connected to the follower rod.

3. The integrated rapid construction equipment for foundation pit waterproofing and backfilling according to claim 2, characterized in that: The transmission assembly includes a sliding rod, a driving belt gear, a toothed belt and two driven belt gears. The sliding rod is slidably connected to the support rod, and the sliding rod is rotatably connected to the support plate. The driving belt gear is fixedly connected to the sliding rod, and the two driven belt gears are respectively fixedly connected to the corresponding follower rods. The toothed belts are both wound around the driving belt gear and the two driven belt gears.

4. The integrated rapid construction equipment for foundation pit waterproofing and backfilling according to claim 3, characterized in that: The displacement assembly includes a disc, a supporting rod and a sliding member, the sliding member is slidably connected to the frame, the sliding member has a through hole, the disc is fixedly connected to the corresponding output end of the motor, one end of the supporting rod is fixedly connected to the disc, and the other end of the supporting rod is placed in the through hole.

5. The integrated rapid construction equipment for foundation pit waterproofing and backfilling according to claim 4, characterized in that: The sliding member includes two guide rods and a C-shaped rod, one end of the two guide rods is slidably connected to the frame, the other end of the two guide rods is fixedly connected to the C-shaped rod, and the C-shaped rod is fixedly connected to the two racks.

6. A rapid construction method for foundation pit waterproofing and backfilling integration, using the rapid construction equipment for foundation pit waterproofing and backfilling integration as claimed in claim 5, characterized in that: The steps include: First, cement, aerogel, and aggregate are put into the mixing bin for dry mixing, and then water glass solution and water are added for wet mixing to fully disperse the cement particles and initiate hydration reaction to form a fluid cement slurry; Then, the foam is prepared by the foaming machine, and the foam is added to the mixing bin, and the stirring is continued to make the foam evenly dispersed in the mixture to form aerogel thermal insulation and waterproof concrete; Afterwards, remove debris, accumulated water, silt and loose soil in the foundation pit to ensure that the bottom and side walls of the foundation pit are clean, dry and solid; and trim the side walls and bottom of the foundation pit; Then, the aerogel thermal insulation and waterproof concrete is added into the pump truck, and the pump truck pours and backfills the concrete through the delivery pipeline; After pouring is completed, surface treatment and maintenance can be carried out.

7. The integrated rapid construction method for foundation pit waterproofing and backfilling according to claim 6, characterized in that: When pouring backfill, a layered pouring method is adopted, with each layer pouring thickness of 300-500mm. The pouring sequence is from one end of the foundation pit to the other end, or symmetrically pouring from the middle to both sides to ensure that the concrete evenly fills the foundation pit.

8. The integrated rapid construction method for foundation pit waterproofing and backfilling according to claim 7, characterized in that: When backfilling, for local over-excavation areas, concrete or sand and gravel with the same strength grade as the backfill material should be used for backfilling.

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