Green assembly type strip foundation
By using a multi-level stepped structure and staggered arrangement of positioning steel bars, combined with grouting and rubber pad design, the problem of positional displacement and disassembly during the construction of prefabricated strip foundations was solved, achieving precise positioning and stable connection, thus improving construction quality and efficiency.
Patent Information
- Application Number
- CN202422925478.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-11-12
AI Technical Summary
Prefabricated strip foundations are prone to positional displacement during construction and are difficult to disassemble, affecting construction quality and efficiency.
The design employs a multi-level stepped structure and positioning steel reinforcement. The foundation is precisely positioned through staggered positioning holes and steel reinforcement, and grouting is used to fix the connection. Rubber gaskets and pins are used to improve sealing and prevent leakage.
It effectively prevents the foundation from shifting position during the assembly process, improves construction accuracy and efficiency, ensures assembly can be carried out in confined environments, and enhances the sealing and stability of the connection.
Smart Images

Figure CN223660881U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building engineering, concretely is a kind of green assembly type strip foundation. BACKGROUND
[0002] Assembly type strip foundation is a modern building foundation structure form, it mainly relies on the rapid assembly of prefabricated components in construction site to complete.Assembly type strip foundation refers to the main force component of foundation is prefabricated in factory or prefabrication yard, then is transported to construction site, is assembled by reliable connecting mode, forms the foundation structure satisfying design requirement.Assembly type strip foundation is usually composed of prefabricated foundation beam, bottom plate, side plate and other components.In construction site, first, foundation treatment is carried out, and it is ensured that the bearing capacity of foundation meets the requirements.Then, according to design drawing and construction scheme, prefabricated component is hoisted to specified position, and is fixed and connected using special connecting piece.
[0003] For example, the Chinese patent with the announcement number CN212772441U "a chain type foundation of assembly type fence", including a plurality of first and last connected foundation blocks, the foundation block is provided with a columnar vertical extension protruding block on one end face along the connecting direction, the other end face of the foundation block away from the protruding block is provided with a groove, the outer circumferential surface of the protruding block and the groove is mutually spliced, the opposite end faces of the adjacent foundation blocks are left with rotation gap, the protruding block is semicylindrical, the shape of the groove is matched with the shape of the protruding block, the protruding block and the groove are rotationally matched, the upper surface of one end of the foundation block with the groove is fixed with a rotating assembly, and the rotating assembly is provided with a bolt segment rotationally matched with the adjacent foundation block.
[0004] The above prior art can realize the assembly of strip foundation, but in actual use, on the one hand, position deviation is prone to occur during the assembly of strip foundation, the strip foundation needs to be lifted and moved to the assembly position using a crane during the assembly of strip foundation, so that the strip foundation is difficult to position during movement, thereby affecting the construction quality, on the other hand, the strip foundation is usually difficult to disassemble, the strip foundation is usually a whole structure, so that the strip foundation is difficult to transport to the restricted construction position, thereby affecting the construction efficiency, therefore, it does not meet the existing demand, for this, we propose a green assembly type strip foundation. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a green assembly type strip foundation to solve the problems of position deviation during the assembly of strip foundation and the difficulty in disassembling the strip foundation in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of green assembly type strip foundation, including cushion, the upper end of the cushion is provided with first step on both sides, the upper end of the first step is provided with second step, the upper end of the second step is provided with third step, wall is provided between the first step, second step and third step of both sides, the upper of the first step inside is provided with three first positioning holes staggered along length direction arrangement, the lower of the second step inside is provided with three second positioning holes, second positioning hole is positionally corresponding with first positioning hole, the upper of the second step inside is provided with two third positioning holes staggered along length direction arrangement, the lower of the third step inside is provided with two fourth positioning holes, fourth positioning hole is positionally corresponding with third positioning hole.
[0007] Preferably, the first positioning hole is provided with a first positioning steel inside, the upper end of the first positioning steel extends to the inside of the second positioning hole, the third positioning hole is provided with a second positioning steel inside, the upper end of the second positioning steel extends to the inside of the fourth positioning hole.
[0008] Preferably, the lower of the inside of one side of the second step is provided with three first grouting injection holes, three first grouting injection holes are communicated with three second positioning holes respectively, the upper of the inside of one side of the second step is provided with three first grouting overflow holes, three first grouting overflow holes are communicated with three second positioning holes respectively.
[0009] Preferably, the lower of the inside of one side of the third step is provided with a second grouting injection hole, the second grouting injection hole is communicated with two fourth positioning holes respectively, the upper of the inside of one side of the third step is provided with a second grouting overflow hole, the second grouting overflow hole is communicated with two fourth positioning holes respectively.
[0010] Preferably, the hole in the inside of one side of the third step is provided with a pin key, the pin key penetrates the wall and extends to the hole in the inside of the third step of the other side, the outer side of the pin key located in the inside of the wall is fixedly provided with a rubber pad.
[0011] Preferably, both ends of the pin key are provided with pin shaft locks, the outside of the pin shaft lock is provided with a mortar head.
[0012] Preferably, the upper end of the third step is provided with a plurality of grooves on the side close to the wall, the grooves are equidistantly distributed, the inside of the groove is provided with a reinforcing steel bar, and the upper end of the reinforcing steel bar extends to the upper of the third step.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. The utility model discloses a first positioning steel bar and second positioning steel bar can make strip foundation positioning installation, when carrying out strip foundation assembly, the first step has completed fixed and the mortar setting operation, when carrying out the second step assembly, first uses the crane and moves to the first step's top with the second step being lifted, then through the way of fine adjustment makes the second positioning hole of second step lower extreme and first positioning steel bar position correspondence, when the second step is moved down, until first positioning steel bar inserts the second positioning hole, when assembling the third step, the opening of fourth positioning hole is aligned to the second positioning steel bar, and the third step is moved down until the second positioning steel bar inserts the fourth positioning hole, when the preliminary assembly of strip foundation is completed, thereby avoids the situation that the second step and third step appear position deviation in the assembly process. Positioning steel bar is misaligned along the length direction, avoids the same section weakening too much and influences structural performance.
[0015] 2. The utility model discloses a first step, second step and third step can reduce the volume of single strip foundation, when carrying out strip foundation assembly, first, place the first step on the cushion layer, and carry out the mortar setting operation on the first step upper end, after waiting mud dry, place the second step on the upper end of the first step after positioning, the protrusion of second step lower extreme and the recess of first step upper end are mutually clamped, and carry out the mortar setting operation on the second step upper end, after waiting mud dry, then place the third step on the upper end of the second step after positioning, the gap between first step, second step and third step is fixed through the way of grouting, and the strip foundation is formed through the way of multistage stacking, so that the strip foundation can be assembled in the restricted construction environment.
[0016] 3. The utility model discloses a rubber pad is set up, can improve the sealing property between pin shaft and wall, when completing the assembly of strip foundation, the pin key is aligned to the hole opening on one side third step and is pushed into the hole, and the pin key penetrates the wall and from the hole on the other side third step, the rubber pad that the pin key and wall contact part set up can be closely attached the contact surface between pin key and wall at this time, forms effective sealing layer, prevents water, gas or other liquid from leaking between both, and the material of wall and pin shaft can produce thermal expansion and cold shrinkage when temperature changes, the flexibility of rubber pad makes it can automatically adapt to this slight size change, thereby keep the close contact and effective sealing of pin shaft and wall. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the internal structure schematic view of the utility model;
[0018] Figure 2 It is the internal structure 45 of the utility model degree oblique section view;
[0019] Figure 3 The third step internal structure side view of the utility model;
[0020] Figure 4 The third step internal structure side view of the utility model; Figure 2 The A area local amplification diagram of the utility model.
[0021] In the figure: 1, cushion layer; 2, first step; 3, second step; 4, third step; 5, wall; 6, first grouting injection hole; 7, first grouting overflow hole; 8, second grouting injection hole; 9, second grouting overflow hole; 10, mortar end; 11, groove; 12, reinforcing steel; 13, first positioning hole; 14, second positioning hole; 15, first positioning steel; 16, third positioning hole; 17, second positioning steel; 18, fourth positioning hole; 19, pin key; 20, rubber pad; 21, pin shaft lock buckle. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of green assembly type strip foundation, including cushion layer 1, the upper end of cushion layer 1 Both sides are provided with first step 2, the upper end of first step 2 is provided with second step 3, the upper end of second step 3 is provided with third step 4, both sides first step 2, second step 3 And the third step 4 between are provided with wall 5, the upper of inside first step 2 is provided with three first positioning holes 13, the lower of inside second step 3 is provided with three second positioning holes 14, second positioning hole 14 with first positioning hole 13 Position correspondence, the upper of inside second step 3 is provided with two third positioning holes 16, the lower of inside third step 4 is provided with two fourth positioning holes 18, fourth positioning hole 18 with third positioning hole 16 Position correspondence.
[0024] When using, when carrying out strip foundation assembly, first step 2 has completed fixed and grouting operation, first positioning steel 15 in first positioning hole 13 extends to the upper of first step 2 at this time, when carrying out second step 3 assembly, first, using crane hoists second step 3 and moves to the upper of first step 2, then by the way of fine adjustment makes second positioning hole 14 of second step 3 lower end with first positioning steel 15 Position correspondence, at this time make second step 3 move downwards, until first positioning steel 15 is inserted into second positioning hole 14, when assembling third step 4, the opening of fourth positioning hole 18 is aligned with second positioning steel 17, and third step 4 is moved downwards until second positioning steel 17 is inserted into fourth positioning hole 18, at this time, the preliminary assembly of strip foundation is completed.
[0025] Please refer to Figure 2 , the inside of the first positioning hole 13 is provided with a first positioning steel bar 15, the upper end of the first positioning steel bar 15 extends to the inside of the second positioning hole 14, the inside of the third positioning hole 16 is provided with a second positioning steel bar 17, the upper end of the second positioning steel bar 17 extends to the inside of the fourth positioning hole 18, so that the second step 3 and the third step 4 are not deviated when installed.
[0026] Please refer to Figure 2 and Figure 4 , the lower side of the inside of the second step 3 is provided with three first grouting injection holes 6, the three first grouting injection holes 6 are respectively communicated with the three second positioning holes 14, the upper side of the inside of the second step 3 is provided with three first grouting overflow holes 7, the three first grouting overflow holes 7 are respectively communicated with the three second positioning holes 14, so that the first step 2 and the second step 3 are more stable through the first grouting injection hole 6 and the first grouting overflow hole 7.
[0027] Please refer to Figure 2 and Figure 4 , the lower side of the inside of the third step 4 is provided with a second grouting injection hole 8, the second grouting injection hole 8 is respectively communicated with the two fourth positioning holes 18, the upper side of the inside of the third step 4 is provided with a second grouting overflow hole 9, the second grouting overflow hole 9 is respectively communicated with the two fourth positioning holes 18, so that the second step 3 and the third step 4 are more stable through the second grouting injection hole 8 and the second grouting overflow hole 9.
[0028] Please refer to Figure 2 and Figure 3 , the hole in the inside of the third step 4 on one side is provided with a pin key 19, the pin key 19 penetrates the wall body 5 and extends to the hole in the inside of the third step 4 on the other side, the outer side of the pin key 19 located in the inside of the wall body 5 is fixedly provided with a rubber pad 20, so as to improve the sealing between the pin key 19 and the wall body 5 through the rubber pad 20.
[0029] Please refer to Figure 1 and Figure 2 , both ends of the pin key 19 are provided with a pin shaft lock 21, the outside of the pin shaft lock 21 is provided with a mortar head 10, so as to avoid the overflow of mud through the mortar head 10.
[0030] Please refer to Figure 1 and Figure 2 , a plurality of grooves 11 are arranged on one side of the upper end of the third step 4 close to the wall body 5, the grooves 11 are equidistantly distributed, the inside of the groove 11 is provided with a reinforcing steel bar 12, the upper end of the reinforcing steel bar 12 extends to the upper side of the third step 4, so as to improve the stability of the wall body 5 through the reinforcing steel bar 12.
[0031] Working principle: when the strip foundation is assembled, the first step 2 is placed on the cushion 1, and the mud is laid on the upper end of the first step 2, after the mud is dried, the second step 3 is placed on the upper end of the first step 2 after positioning, the protrusion at the lower end of the second step 3 is connected with the recess at the upper end of the first step 2, and the mud is laid on the upper end of the second step 3, after the mud is dried, the third step 4 is placed on the upper end of the second step 3 after positioning, the gap between the first step 2, the second step 3 and the third step 4 is fixed by grouting, the strip foundation is formed by multi-stage stacking, the positioning holes are arranged in the length direction, the same section is avoided from being cut too much, when the assembly of the strip foundation is completed, the pin key 19 is aligned with the hole opening on the third step 4 on one side and is pushed into the hole, and the pin key 19 penetrates the wall 5 and passes out from the hole on the third step 4 on the other side, at this time, the rubber pad 20 arranged on the contact part of the pin key 19 and the wall 5 can tightly fit the contact surface between the pin key 19 and the wall 5.
[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A green assembly type strip foundation comprising a cushion layer (1), characterized in that: The upper end of the cushion layer (1) is provided with first steps (2) on both sides, the upper end of the first step (2) is provided with second steps (3), the upper end of the second step (3) is provided with third steps (4), the first step (2), the second step (3) and the third step (4) are provided with wall bodies (5) between the two sides, the upper part of the first step (2) is provided with three first positioning holes (13), the lower part of the second step (3) is provided with three second positioning holes (14), the second positioning hole (14) corresponds to the first positioning hole (13) in position, the upper part of the second step (3) is provided with two third positioning holes (16), and the lower part of the third step (4) is provided with two fourth positioning holes (18), and the fourth positioning hole (18) corresponds to the third positioning hole (16) in position.
2. A green fabricated strip footing as claimed in claim 1, wherein: The inside of the first positioning hole (13) is provided with a first positioning steel bar (15), and the upper end of the first positioning steel bar (15) extends to the inside of the second positioning hole (14); the inside of the third positioning hole (16) is provided with a second positioning steel bar (17), and the upper end of the second positioning steel bar (17) extends to the inside of the fourth positioning hole (18).
3. A green fabricated strip footing as claimed in claim 2, wherein: The lower part of the inside of one side of the second step (3) is provided with three first grouting injection holes (6), and the three first grouting injection holes (6) are communicated with the three second positioning holes (14) respectively; the upper part of the inside of one side of the second step (3) is provided with three first grouting overflow holes (7), and the three first grouting overflow holes (7) are communicated with the three second positioning holes (14) respectively.
4. A green fabricated strip footing as claimed in claim 3, wherein: The lower part of the inside of one side of the third step (4) is provided with a second grouting injection hole (8), and the second grouting injection hole (8) is communicated with the two fourth positioning holes (18) respectively; the upper part of the inside of one side of the third step (4) is provided with a second grouting overflow hole (9), and the second grouting overflow hole (9) is communicated with the two fourth positioning holes (18) respectively.
5. A green assembly type strip footing as claimed in claim 4, wherein: A pin key (19) is arranged in the hole in the inside of one side of the third step (4), the pin key (19) penetrates the wall body (5) and extends to the hole in the inside of the third step (4) on the other side, and the outer side of the pin key (19) located in the inside of the wall body (5) is fixedly provided with a rubber pad (20).
6. A green assembly type strip footing as claimed in claim 5, wherein: Both ends of the pin key (19) are provided with pin shaft locks (21), and the outside of the pin shaft lock (21) is provided with a mortar end cap (10).
7. A green fabricated strip footing as claimed in claim 6, wherein: A plurality of grooves (11) are arranged on one side of the upper end of the third step (4) close to the wall body (5), the grooves (11) are equidistantly distributed, and the inside of the groove (11) is provided with a reinforcing steel bar (12), and the upper end of the reinforcing steel bar (12) extends to the upper part of the third step (4).
Citation Information
Patent Citations
Chain type foundation of fabricated fence
CN212772441U