Foundation in house building construction and construction method thereof

Abstract

The invention relates to a foundation in house building construction and a construction method thereof, and belongs to the technical field of house building construction.The foundation in house building construction comprises a cushion layer, a mortar reinforcing layer, an earthwork backfilling layer and a prefabricated slab layer which are sequentially arranged from bottom to top, and the prefabricated slab layer comprises a plurality of prefabricated slab bodies which are sequentially spliced; a first mounting pipe and a second mounting pipe are pre-buried in each precast slab body, the length direction of the first mounting pipe is perpendicular to the plane where the precast slab body is located, the length direction of the second mounting pipe is parallel to the plane where the precast slab body is located, the first mounting pipe is communicated with the second mounting pipe in the corresponding precast slab body, and the second mounting pipe is communicated with the second mounting pipe in the corresponding precast slab body. A connecting rod is arranged in the second mounting pipe in a sliding and penetrating mode, and an adjusting assembly is arranged in the first mounting pipe. The prefabricated slab has the advantages that the connecting strength between the adjacent prefabricated slab bodies in the prefabricated slab layer is improved to a certain extent, and the overall stability of the prefabricated slab layer is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of housing construction, and in particular to a foundation and a construction method thereof in housing construction. Background Art

[0002] The foundation is located at the bottom of the building, which is used to bear and transfer the weight and load of the building to the underground soil. Foundation construction is a key link in the housing construction project and is crucial to the stability and safety of the building structure.

[0003] In the related art, for example, a Chinese patent document with publication number CN115726389A discloses a foundation construction method in house construction, which includes step one, laying out the foundation; step two, excavating the earth to dig out a foundation trench; step three, cleaning the foundation trench; step four, constructing a cushion layer in the foundation trench; step five, building a brick foundation on the cushion layer to define a plurality of tunnels through the brick foundation; step six, pouring concrete mortar in the plurality of tunnels to form a mortar reinforcement layer; step seven, pouring a foundation beam on the brick foundation, and defining a plurality of spaces corresponding to the plurality of tunnels through the foundation beam; step eight, backfilling the earth into the plurality of spaces and compacting them; step nine, constructing a rigid layer on the backfill soil, wherein the rigid layer is a precast board layer formed by splicing a plurality of precast boards, and the board joints between each two adjacent precast boards in the precast board layer are caulked by fine stone concrete.

[0004] With respect to the above-mentioned related technologies, the connection strength between adjacent prefabricated panels in a prefabricated panel layer is affected by the material quality and the construction process, and it is difficult to ensure the overall stability of the prefabricated panel layer. Summary of the invention

[0005] In order to improve the connection strength between adjacent prefabricated board bodies in a prefabricated board layer to a certain extent and help ensure the overall stability of the prefabricated board layer, the present application provides a foundation and a construction method thereof in house construction.

[0006] In the first aspect, the present application provides a foundation for housing construction, which adopts the following technical solution: A foundation for housing construction comprises a cushion layer, a mortar reinforcement layer, an earth backfill layer and a prefabricated board layer arranged in sequence from bottom to top, the prefabricated board layer comprising a plurality of prefabricated board bodies spliced ​​in sequence, a first mounting tube and a second mounting tube being embedded in each of the prefabricated board bodies, the length direction of the first mounting tube being perpendicular to the plane where the prefabricated board body is located, the length direction of the second mounting tube being parallel to the plane where the prefabricated board body is located, the first mounting tube being connected to the second mounting tube in the corresponding prefabricated board body, a connecting rod for extending into the second mounting tube in the adjacent prefabricated board body being slidably penetrated in the second mounting tube, and an adjusting component for adjusting the sliding of the connecting rod in the corresponding prefabricated board body being arranged in the first mounting tube.

[0007] Preferably, the adjustment assembly includes an operating rod rotatably disposed in the first mounting tube and a transmission member disposed in the second mounting tube, the rotation axis of the operating rod is parallel to the length direction of the first mounting tube, and the transmission member is used to drive the connecting rod to slide when the operating rod rotates.

[0008] Preferably, the transmission member includes a first bevel gear arranged on the operating rod, a screw rod rotatably arranged in the second mounting tube and a second bevel gear sleeved on the screw rod, the rotation axis of the screw rod is parallel to the sliding direction of the connecting rod, the connecting rod is threadedly sleeved on the corresponding screw rod, and the first bevel gear is used to mesh with the second bevel gear.

[0009] Preferably, two second mounting tubes are provided in each of the prefabricated panel bodies, the two second mounting tubes are cross-arranged and are both connected to the first mounting tube, one end of the second mounting tube is used to install the connecting rod, and the other end is used for the connecting rod on the adjacent prefabricated panel body to extend into.

[0010] Preferably, the two second mounting tubes in each of the prefabricated panel bodies are perpendicular to each other.

[0011] Preferably, the first bevel gear is an arc bevel tooth segment, the arc bevel tooth segment is concentrically arranged with the operating rod, the central angle of the arc bevel tooth segment is less than 90°, the arc bevel tooth segment is slidably penetrated on the operating rod, the sliding direction of the arc bevel tooth segment is perpendicular to the rotation axis of the operating rod, and the operating rod is provided with a sliding component for adjusting the sliding direction of the arc bevel tooth segment toward or away from the operating rod.

[0012] Preferably, the sliding assembly includes a spring arranged on the operating rod and a pushing member arranged inside the operating rod, and the end of the spring away from the operating rod is arranged on the circular arc bevel tooth segment, the spring is used to pull the circular arc bevel tooth segment to slide toward the direction close to the operating rod, and the pushing member is used to push the circular arc bevel tooth segment to slide toward the direction away from the operating rod.

[0013] Preferably, the pushing member includes a pushing rod slidably inserted into the operating rod and an abutment block arranged on the circular arc conical tooth segment, the sliding direction of the pushing rod is parallel to the rotation axis of the operating rod, the pushing rod is located above the abutment block, and the side of the abutment block close to the pushing rod is an inclined surface, and the inclined surface is inclined downward close to the side of the pushing rod, and the pushing rod is used to slide and abut with the inclined surface of the abutment block.

[0014] Preferably, a mark is provided on the operating rod, and the mark is aligned with the circular arc bevel gear segment.

[0015] In a second aspect, the present application provides a foundation construction method in housing construction, which adopts the following technical solution: A construction method for foundation in housing construction also includes the following steps: Foundation setting out; Earth excavation to dig out the foundation trench; Constructing cushion layer in foundation trench; Laying a brick foundation on the cushion layer so that a plurality of tunnels are defined by the brick foundation; pouring concrete mortar in multiple tunnels to form a mortar reinforcement layer; Casting a foundation beam on the brick foundation, and defining a plurality of spaces corresponding to the plurality of tunnels through the foundation beam; The earth is backfilled into a plurality of spaces and compacted to form an earth backfill layer; A prefabricated panel layer is constructed on the earth backfill layer, wherein the prefabricated panel layer is formed by sequentially splicing a plurality of prefabricated panel bodies, wherein connecting rods in the plurality of prefabricated panel bodies are located on the same side of the corresponding prefabricated panel bodies, and the connecting rods in the corresponding prefabricated panel bodies are adjusted to slide into the second installation tube in the adjacent prefabricated panel bodies by operating the adjustment assembly; The plate seams between each two adjacent precast plate bodies in the precast plate layer are caulked by fine stone concrete.

[0016] In summary, this application includes the following beneficial technical effects: Multiple prefabricated panel bodies are spliced ​​in sequence on the earth backfill layer, and the connecting rods in the prefabricated panel bodies are located on the same side of the corresponding prefabricated panel bodies. The connecting rods in the corresponding prefabricated panel bodies are adjusted by operating the adjustment component to slide into the second mounting tube in the adjacent prefabricated panel body, thereby realizing the connection between the adjacent prefabricated panel bodies, and then the plate seams between each two adjacent prefabricated panel bodies in the prefabricated panel layer are caulked with fine stone concrete, so that the fine stone concrete and the connecting rods are solidified together, thereby improving the connection strength between the adjacent prefabricated panel bodies in the prefabricated panel layer to a certain extent, which helps to ensure the overall stability of the prefabricated panel layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0018] Figure 2 It is a cross-sectional view of the overall structure of the prefabricated panel body in the embodiment of the present application.

[0019] Figure 3 It is a partial structural cross-sectional view of an embodiment of the present application.

[0020] Figure 4 yes Figure 3 Enlarged view of part A.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. cushion layer; 2. mortar reinforcement layer; 3. earth backfill layer; 4. precast board layer; 41. precast board body; 5. first mounting tube; 6. second mounting tube; 7. connecting rod; 71. first rod body; 72. second rod body; 8. operating rod; 9. screw rod; 10. second bevel gear; 11. circular arc bevel gear segment; 12. spring; 13. pusher; 131. push rod; 132. abutment block; 14. mark; 15. first support plate; 16. second support plate; 17. sliding cavity. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 This application is described in further detail.

[0023] The present application embodiment discloses a foundation for building construction. Figure 1 The foundation in the house construction includes a cushion layer 1, a mortar reinforcement layer 2, an earth backfill layer 3 and a prefabricated board layer 4 arranged in sequence from bottom to top. The prefabricated board layer 4 includes a plurality of prefabricated board bodies 41 spliced ​​to each other, and the plurality of prefabricated board bodies 41 are arranged in a matrix.

[0024] Reference Figure 2, a first mounting tube 5 and a second mounting tube 6 are embedded in each prefabricated panel body 41, the length direction of the first mounting tube 5 is perpendicular to the plane where the prefabricated panel body 41 is located, the first mounting tube 5 is located at the center of the corresponding prefabricated panel body 41, and the upper surface of the first mounting tube 5 is flush with the upper surface of the corresponding prefabricated panel body 41; two second mounting tubes 6 are provided, the length direction of the second mounting tubes 6 is parallel to the plane where the prefabricated panel body 41 is located, the two second mounting tubes 6 are cross-arranged and connected to each other, specifically, the two second mounting tubes 6 are perpendicular to each other, and one of the second mounting tubes 6 is parallel to the length of the prefabricated panel body 41 direction, and the other second mounting tube 6 is parallel to the width direction of the prefabricated board body 41; the first mounting tube 5 is located above the intersection of the two second mounting tubes 6, and the second mounting tube 6 is connected to the first mounting tube 5; a connecting rod 7 for extending into the second mounting tube 6 in the adjacent prefabricated board body 41 is slidably penetrated in one end of the second mounting tube 6, and the other end of the second mounting tube 6 is used for the connecting rod 7 on the adjacent prefabricated board body 41 to extend into; the sliding direction of the connecting rod 7 is parallel to the length direction of the corresponding second mounting tube 6, and an adjusting component for adjusting the sliding of the connecting rod 7 in the corresponding prefabricated board body 41 is provided in the first mounting tube 5.

[0025] When in use, multiple precast panel bodies 41 are spliced ​​in sequence in a matrix on the earth backfill layer 3, and the connecting rods 7 in the precast panel bodies 41 are located on the same side of the corresponding precast panel bodies 41. The connecting rods 7 in the corresponding precast panel bodies 41 are adjusted by operating the adjustment component to slide and extend into the second mounting tube 6 in the adjacent precast panel bodies 41, thereby realizing the connection between the adjacent precast panel bodies 41, and then the plate seams between each two adjacent precast panel bodies 41 in the precast panel layer 4 are caulked with fine stone concrete, so that the fine stone concrete and the connecting rods 7 are solidified together, thereby improving the connection strength between the adjacent precast panel bodies 41 in the precast panel layer 4 to a certain extent, which helps to ensure the overall stability of the precast panel layer 4.

[0026] Reference Figure 2 and Figure 3 In order to facilitate the adjustment of the sliding of the connecting rod 7 in the corresponding prefabricated panel body 41, a first support plate 15 is fixed in the first mounting tube 5. The adjustment component includes an operating rod 8 and a transmission member. The operating rod 8 is rotatably penetrated on the first support plate 15. The operating rod 8 is located at the center of the first mounting tube 5. The rotation axis of the operating rod 8 is parallel to the length direction of the first mounting tube 5. The transmission member is arranged in the second mounting tube 6. The transmission member is used to drive the connecting rod 7 to slide when the operating rod 8 rotates.

[0027] Reference Figure 3 and Figure 4In order to facilitate the connection rod 7 to slide when the operating rod 8 rotates, a second support plate 16 is fixed to the end of the second mounting tube 6 close to the first mounting tube 5, and the transmission member includes a first bevel gear, a screw rod 9 and a second bevel gear 10. The first bevel gear is arranged at the end of the operating rod 8 close to the second mounting tube 6, and the screw rod 9 is rotatably penetrated on the second support plate 16. The rotation axis of the screw rod 9 is parallel to the sliding direction of the connection rod 7. The screw rod 9 is located on the side of the corresponding connection rod 7 close to the first mounting tube 5. The connection rod 7 includes a first rod body 71 and a second rod body 72 integrally formed on the side of the first rod body 71 away from the first mounting tube 5. The first rod body 71 is slidably connected in the corresponding second mounting tube 6. The cross section of the first rod body 71 is square, and the cross section of the second rod body 72 is circular. The first rod body 71 is threadedly sleeved on the corresponding screw rod 9. The second bevel gear 10 is fixedly sleeved on the end of the screw 9 close to the first mounting tube 5, and the first bevel gear is used to mesh with the second bevel gear 10. The sliding connection between the first rod body 71 and the corresponding second mounting tube 6 is guided by the sliding cooperation between the slider and the slide rail.

[0028] When it is necessary to extend the second rod body 72 of the connecting rod 7 into the second mounting tube 6 in the adjacent precast panel body 41, rotate the operating rod 8. The rotation of the operating rod 8 drives the first bevel gear to rotate. The first bevel gear drives the second bevel gears 10 in the two second mounting tubes 6 to rotate. The second bevel gear 10 drives the corresponding screw rod 9 to rotate. The screw 9 rotates, driving the first rod body 71 and the second rod body 72 to slide in the direction away from the first mounting tube 5, thereby helping the second rod body 72 to extend into the second mounting tube 6 in the adjacent precast panel body 41. After being caulked by fine stone concrete, the second rod body 72 is solidified, thereby improving the connection strength between the adjacent precast panel bodies 41, which helps to ensure the overall stability of the precast panel layer 4.

[0029] Reference Figure 2 The diameter of the second rod body 72 is adapted to the inner diameter of the second mounting tube 6 , so that the second rod body 72 can block the second mounting tube 6 , making it difficult for impurities to enter the second mounting tube 6 .

[0030] Reference Figure 3 and Figure 4 The first bevel gear is an arc bevel gear segment 11, which is concentrically arranged with the operating rod 8. The central angle of the arc bevel gear segment 11 is less than 90°, so that the arc bevel gear segment 11 will not mesh with the two second bevel gears 10 at the same time. The arc bevel gear segment 11 is slidably penetrated on the operating rod 8. The operating rod 8 is provided with a sliding cavity 17 for slidingly cooperating with the arc bevel gear segment 11. The sliding direction of the arc bevel gear segment 11 is perpendicular to the rotation axis of the operating rod 8. The operating rod 8 is provided with a sliding component for adjusting the arc bevel gear segment 11 to slide toward or away from the operating rod 8.

[0031] Reference Figure 3 and Figure 4 In order to facilitate the adjustment of the circular arc bevel tooth segment 11 to slide in the direction close to or away from the operating rod 8, the sliding assembly includes a spring 12 and a pushing member 13. The extending direction of the spring 12 is parallel to the sliding direction of the circular arc bevel tooth segment 11. One end of the spring 12 is fixed to the side of the circular arc bevel tooth segment 11 away from the second bevel gear 10, and the other end is fixed to the bottom wall of the sliding cavity 17. The spring 12 is used to pull the circular arc bevel tooth segment 11 to slide in the direction close to the operating rod 8. In order to improve the pulling effect, in the embodiment of the present application, two springs 12 are provided; the pushing member 13 is arranged in the operating rod 8, and the pushing member 13 is used to push the circular arc bevel tooth segment 11 to slide in the direction away from the operating rod 8. When the spring 12 is in a natural state, the circular arc bevel tooth segment 11 is disengaged from the second bevel gear 10.

[0032] Reference Figure 3 and Figure 4 In order to facilitate the sliding of the arc bevel gear segment 11 in the direction away from the operating rod 8, the pushing member 13 includes a pushing rod 131 and an abutting block 132. The pushing rod 131 is slidably arranged in the operating rod 8, and the sliding direction of the pushing rod 131 is parallel to the rotation axis of the operating rod 8. The pushing rod 131 extends out of the operating rod 8 at one end away from the second mounting tube 6. The lower end of the pushing rod 131 is an arc surface, which bulges outward in the direction away from the pushing rod 131, and the pushing rod 131 is located between the two springs 12; the abutting block 132 is fixed to one side of the arc bevel gear segment 11 close to the sliding cavity 17, and the pushing rod 131 is located above the abutting block 132. One end of the two springs 12 close to the arc bevel gear segment 11 is fixed on the abutting block 132, and one side of the abutting block 132 close to the pushing rod 131 is an inclined surface, and the inclined surface is inclined downward close to the side of the pushing rod 131, and the pushing rod 131 is used to slide and abut with the inclined surface of the abutting block 132.

[0033] For the prefabricated panel body 41 located at the edge, in order to prevent the connecting rod 7 from exceeding the laying-out range and abutting against the foundation beam at the edge, there is a situation in which only the second rod body 72 in the second mounting tube 6 needs to be driven to slide in the prefabricated panel body 41. By sliding the push rod 131 upward, the abutment of the push rod 131 on the abutment block 132 is reduced. Under the pulling action of the spring 12, the abutment block 132 drives the circular arc bevel gear segment 11 to slide in the direction close to the sliding cavity 17, so that the circular arc bevel gear segment 11 will not mesh with the second bevel gear 10. Then, the operating rod 8 is rotated to move the circular arc bevel gear segment 11 to the second rod body that needs to slide. 72, and then press the push rod 131 downward, the push rod 131 and the inclined surface of the abutment block 132 slide relative to each other, driving the abutment block 132 and the circular arc bevel tooth segment 11 to move in the direction away from the sliding cavity 17. At this time, since the push rod 131 will not slide, the position of the circular arc bevel tooth segment 11 is maintained, and then the operating rod 8 is rotated to make the operating rod 8 drive the circular arc bevel tooth segment 11 to rotate, so that the circular arc bevel tooth segment 11 drives the second bevel gear 10 at the required position to rotate, thereby helping to achieve only driving one of the connecting rods 7 to slide, which can be suitable for the use of the prefabricated panel body 41 located at the edge.

[0034] Reference Figure 3 A mark 14 is fixed on the upper end of the operating rod 8, and the mark 14 is aligned with the arc cone gear segment 11. The mark 14 helps to determine the real-time position of the arc cone gear segment 11, and facilitates moving the arc cone gear segment 11 to the desired position for use.

[0035] The implementation principle of the embodiment of the present application is as follows: when in use, multiple prefabricated panel bodies 41 are sequentially spliced ​​in a matrix on the earth backfill layer 3, so that the connecting rods 7 in the prefabricated panel bodies 41 in the same row or column are located on the same side of the corresponding prefabricated panel bodies 41, and for the prefabricated panel bodies 41 that need to extend the connecting rods 7 in the two second mounting tubes 6 at the same time, the push rod 131 is pressed downward, and the push rod 131 abuts against the inclined surface of the abutment block 132, driving the abutment block 132 and the arc cone gear segment 11 to move in a direction away from the sliding cavity 17, so that The spring 12 is stretched. At this time, the push rod 131 will not slide, thereby maintaining the position of the arc bevel gear segment 11. Then the operating rod 8 is rotated to make the operating rod 8 drive the arc bevel gear segment 11 to rotate, so that the arc bevel gear segment 11 drives the two second bevel gears 10 to rotate, and the second bevel gears 10 drive the corresponding screw rod 9 to rotate. The screw rod 9 rotates, driving the first rod body 71 and the second rod body 72 to slide in the direction away from the first mounting tube 5, thereby helping the second rod body 72 to extend into the second mounting tube 6 in the adjacent prefabricated panel body 41.

[0036] For the edge, in order to avoid the situation where the connecting rod 7 extends out and abuts against the inner wall of the foundation beam, it is only necessary to extend the connecting rod 7 at one of the required positions, and by sliding the push rod 131 in the corresponding prefabricated plate body 41 upward, the abutment of the push rod 131 on the abutment block 132 is reduced. The abutment block 132 drives the circular arc bevel gear segment 11 to slide in the direction close to the sliding cavity 17 under the pulling action of the spring 12, so that the circular arc bevel gear segment 11 will not mesh with the second bevel gear 10, and then the operating lever 8 is turned to move the circular arc bevel gear segment 11 to the second bevel gear 10. The segment 11 moves to the second bevel gear 10 corresponding to the second rod body 72 that needs to slide, and then the push rod 131 is pressed downward, and the push rod 131 and the inclined surface of the abutment block 132 slide relative to each other, driving the abutment block 132 and the circular arc bevel gear segment 11 to move in the direction away from the sliding cavity 17, and then the operating rod 8 is rotated to make the operating rod 8 drive the circular arc bevel gear segment 11 to rotate, so that the circular arc bevel gear segment 11 drives the second bevel gear 10 at the required position to rotate, thereby helping to achieve driving only one of the connecting rods 7 to slide.

[0037] After the adjacent precast panel bodies 41 are connected by the connecting rod 7, the panel seams between each two adjacent precast panel bodies 41 in the precast panel layer 4 are caulked by fine stone concrete, so that the fine stone concrete and the second rod body 72 are solidified together, thereby improving the connection strength between the adjacent precast panel bodies 41 in the precast panel layer 4 to a certain extent, which helps to ensure the overall stability of the precast panel layer 4. Other structures can be set on the precast panel layer 4 as needed.

[0038] The present application also discloses a foundation construction method in housing construction. The foundation construction method in housing construction also includes the following steps: Step 1: Laying out the foundation; Step 2: Excavation to dig out the foundation trench; Step 3: construct cushion layer 1 in the foundation trench; Step 4: Building a brick foundation on the cushion layer 1, so as to define a plurality of tunnels through the brick foundation; Step 5: pouring concrete mortar in a plurality of tunnels to form a mortar reinforcement layer 2; Step 6: pouring a foundation beam on the brick foundation, and defining a plurality of spaces corresponding to the plurality of tunnels through the foundation beam; Step 7: Backfill the soil into the multiple spaces and compact them to form a backfill layer 3; Step 8: construct a prefabricated board layer 4 on the earth backfill layer 3, the prefabricated board layer 4 is formed by sequentially splicing a plurality of prefabricated board bodies 41, the connecting rods 7 in the plurality of prefabricated board bodies 41 are located on the same side of the corresponding prefabricated board bodies 41, the pushing rod 131 is moved to the desired position for the prefabricated board bodies 41 at different positions, the operating rod 8 is rotated, so that the operating rod 8 drives the circular arc bevel gear segment 11 to rotate, and the circular arc bevel gear segment 11 drives the required second bevel gear 10 to rotate, so that the corresponding screw rod 9 rotates to drive the connecting rod 7 at the desired position to slide to extend into the second mounting tube 6 in the adjacent prefabricated board body 41; Step 9: Caulking the board seams between every two adjacent precast board bodies 41 in the precast board layer 4 with fine stone concrete.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A foundation for housing construction, comprising a cushion layer (1), a mortar reinforcement layer (2), an earth backfill layer (3) and a prefabricated board layer (4) arranged in sequence from bottom to top, characterized in that: The prefabricated board layer (4) comprises a plurality of prefabricated board bodies (41) spliced ​​in sequence, and a first mounting tube (5) and a second mounting tube (6) are pre-buried in each of the prefabricated board bodies (41); the length direction of the first mounting tube (5) is perpendicular to the plane where the prefabricated board body (41) is located, and the length direction of the second mounting tube (6) is parallel to the plane where the prefabricated board body (41) is located; the first mounting tube (5) is connected to the second mounting tube (6) in the corresponding prefabricated board body (41); a connecting rod (7) for extending into the second mounting tube (6) in the adjacent prefabricated board body (41) is slidably penetrated in the second mounting tube (6); and an adjusting component for adjusting the sliding of the connecting rod (7) in the corresponding prefabricated board body (41) is arranged in the first mounting tube (5).

2. The foundation for building construction according to claim 1, characterized in that: The adjustment assembly comprises an operating rod (8) rotatably arranged in a first mounting tube (5) and a transmission member arranged in a second mounting tube (6); the rotation axis of the operating rod (8) is parallel to the length direction of the first mounting tube (5); and the transmission member is used to drive the connecting rod (7) to slide when the operating rod (8) rotates.

3. The foundation for building construction according to claim 2, characterized in that: The transmission member comprises a first bevel gear arranged on an operating rod (8), a screw rod (9) rotatably arranged in a second mounting tube (6), and a second bevel gear (10) sleeved on the screw rod (9), wherein the rotation axis of the screw rod (9) is parallel to the sliding direction of the connecting rod (7), the connecting rod (7) is threadedly sleeved on the corresponding screw rod (9), and the first bevel gear is used to mesh with the second bevel gear (10).

4. The foundation for building construction according to claim 3, characterized in that: Two second mounting tubes (6) are provided in each of the prefabricated panel bodies (41); the two second mounting tubes (6) are cross-arranged and are both connected to the first mounting tube (5); one end of the second mounting tube (6) is used for mounting a connecting rod (7), and the other end is used for allowing a connecting rod (7) on an adjacent prefabricated panel body (41) to extend therein.

5. The foundation for building construction according to claim 4, characterized in that: The two second mounting tubes (6) in each of the prefabricated panel bodies (41) are perpendicular to each other.

6. The foundation for building construction according to claim 4, characterized in that: The first bevel gear is a circular arc bevel tooth segment (11), the circular arc bevel tooth segment (11) is arranged concentrically with the operating rod (8), the central angle of the circular arc bevel tooth segment (11) is less than 90°, the circular arc bevel tooth segment (11) is slidably penetrated on the operating rod (8), the sliding direction of the circular arc bevel tooth segment (11) is perpendicular to the rotation axis of the operating rod (8), and the operating rod (8) is provided with a sliding component for adjusting the circular arc bevel tooth segment (11) to slide towards or away from the operating rod (8).

7. The foundation for building construction according to claim 6, characterized in that: The sliding assembly comprises a spring (12) arranged on the operating rod (8) and a pushing member (13) arranged in the operating rod (8); one end of the spring (12) away from the operating rod (8) is arranged on the circular arc bevel tooth segment (11); the spring (12) is used to pull the circular arc bevel tooth segment (11) to slide in a direction close to the operating rod (8); and the pushing member (13) is used to push the circular arc bevel tooth segment (11) to slide in a direction away from the operating rod (8).

8. The foundation for building construction according to claim 7, characterized in that: The pushing member (13) comprises a pushing rod (131) slidably inserted into the operating rod (8) and an abutment block (132) arranged on the arc cone gear segment (11); the sliding direction of the pushing rod (131) is parallel to the rotation axis of the operating rod (8); the pushing rod (131) is located above the abutment block (132); a side of the abutment block (132) close to the pushing rod (131) is an inclined surface; a side of the inclined surface close to the pushing rod (131) is inclined downward; and the pushing rod (131) is used for slidingly abutting against the inclined surface of the abutment block (132).

9. The foundation for building construction according to claim 6, characterized in that: The operating rod (8) is provided with a mark (14), and the mark (14) is aligned with the circular arc cone gear segment (11).

10. A method for constructing a foundation in a housing construction as claimed in any one of claims 1 to 9, characterized in that: The following steps are also included: Foundation setting out; Earth excavation to dig out the foundation trench; constructing a cushion layer (1) in the foundation trench; Laying a brick foundation on the cushion layer (1) so as to define a plurality of tunnels through the brick foundation; pouring concrete mortar in the plurality of tunnels to form a mortar reinforcement layer (2); Casting a foundation beam on the brick foundation, and defining a plurality of spaces corresponding to the plurality of tunnels through the foundation beam; Backfilling earth into the plurality of spaces and compacting the earth to form an earth backfill layer (3); A prefabricated board layer (4) is constructed on the earth backfill layer (3), wherein the prefabricated board layer (4) is formed by sequentially splicing a plurality of prefabricated board bodies (41), wherein the connecting rods (7) in the plurality of prefabricated board bodies (41) are located on the same side of the corresponding prefabricated board bodies (41), and the connecting rods (7) in the corresponding prefabricated board bodies (41) are slidably adjusted by operating the adjusting assembly so as to extend into the second mounting tube (6) in the adjacent prefabricated board body (41); The plate seams between each two adjacent prefabricated plate bodies (41) in the prefabricated plate layer (4) are caulked by fine stone concrete.

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