CN113503060A

CN113503060A - Assembled building strutting arrangement

Info

Publication number: CN113503060A
Application number: CN202110841766.2A
Authority: CN
Inventors: 张晓莉; 张茂枝
Original assignee: Chengdu Lanteng Technology Co ltd
Current assignee: Shanghai Chuanfeng Steel Structure Engineering Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-10-15
Anticipated expiration: 2041-07-26
Also published as: CN113503060B

Abstract

The invention belongs to the field of fabricated buildings, in particular to an improvement on the structure of a fabricated building supporting device, and particularly provides a fabricated building supporting device which comprises a supporting frame for supporting a floor slab, wherein the supporting frame is arranged on a bottom plate, two adjusting components are arranged on the bottom plate side by side, the supporting frame is arranged between the two adjusting components, each adjusting component comprises a connecting shaft and two leveling mechanisms for changing the length of the supporting frame penetrating through the bottom plate and limiting the circumferential rotation of the connecting shaft, rollers are arranged at two ends of the connecting shaft, four rollers on the two adjusting components are arranged at four circumferential ends of the bottom plate, the axle center of each roller is eccentrically arranged with the connecting shaft, the connecting shaft penetrates through and is rotatably connected with the two leveling mechanisms, and the bottoms of the leveling mechanisms penetrate through the bottom plate, has the beneficial effect of being convenient for adapting to the uneven ground.

Description

Assembled building strutting arrangement

Technical Field

The invention belongs to the field of fabricated buildings, and particularly relates to an improvement on the structure of a fabricated building supporting device.

Background

The prefabricated building is a building assembled and installed on site in a reliable connection mode, such as various laminated floors, and an assembled integral floor formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers, when the laminated floor is installed, a support frame needs to be placed below the laminated floor, then the laminated floor is horizontally placed on the support frame, the laminated floor is placed in the air, and finally cement is poured and the support frame is taken away.

When the support frame among the prior art supports, often place the bottom of a plurality of buttresses at the floor, because there is unevenness's the condition easily on job site ground, rock about the support frame, and unable horizontal support floor, lead to the floor unstability, so meet unevenness's ground in actual construction, often can place the cushion between the lower margin of support frame and ground, the cushion is generally used materials on the spot, use on-the-spot waste paper, wood or stone etc. however, adopt this kind of mode to carry out the bed hedgehopping, firstly, the structure shakiness of own, the cushion is crowded possibility of leaving is big, thereby lead to the floor to support unstably, secondly, be difficult to find the cushion of adaptation, too big or too little can not make support frame horizontal support floor, the intangible construction degree of difficulty that has increased among the intangible.

And the support frame among the prior art needs artifical transport when removing, and its height-adjusting adjusts top supporting height through bolt and the pinhole complex structure of co-operation of not co-altitude, so still has the technical problem that the removal is inconvenient and the height can't the accurate adjustment.

Disclosure of Invention

The invention aims to provide an assembly type building supporting device which can be conveniently adapted to uneven ground, and in order to realize the purpose, the technical scheme adopted by the invention is as follows:

a building supporting device comprises a supporting frame for supporting a floor slab, wherein the supporting frame is arranged on a bottom plate, two adjusting assemblies are arranged on the bottom plate side by side, and the supporting frame is arranged between the two adjusting assemblies;

the adjusting part comprises a connecting shaft and two leveling mechanisms, the two leveling mechanisms are used for changing the length of the bottom plate and limiting the connecting shaft to rotate in the circumferential direction, rollers and two rollers are arranged at two ends of the connecting shaft, the four rollers are arranged on the adjusting part, the four rollers are arranged at four ends of the bottom plate in the circumferential direction, the axle center of each roller is eccentrically arranged with the connecting shaft, the connecting shaft penetrates through the connecting shaft and is rotatably connected with the two leveling mechanisms, and the bottom of each leveling mechanism penetrates through the bottom plate.

Further, the leveling mechanism comprises a fixing column, the fixing column is connected with the bottom plate, the bottom of the fixing column penetrates through the bottom plate, a cavity is formed in the fixing column, and the connecting shaft can rotatably penetrate through the cavity and two sides of the fixing column;

the top of the fixed column is in threaded connection with a screw rod, the screw rod is vertically arranged in the radial direction of the connecting shaft, the bottom of the screw rod is abutted against the side face of the connecting shaft, the connecting shaft is radially provided with a limiting through hole matched with the screw rod, the axis of the limiting through hole is horizontally arranged, and when the limiting through hole rotates to be concentric with the screw rod, the roller leaves the ground;

the bottom of the cavity is provided with a supporting head, the bottom of the fixed column is provided with a sliding hole for the supporting head to penetrate out, and the screw rod is used for penetrating through the limiting through hole and pushing the supporting head out of the sliding hole.

Furthermore, the top of the supporting head is provided with a limiting block matched with the cavity, the supporting head is sleeved with a spring, and two ends of the spring are respectively abutted to the bottom of the limiting block and the bottom of the cavity.

Furthermore, the connecting shaft is radially provided with a limit groove matched with the screw rod, and the bottom of the screw rod is arranged in the limit groove.

Furthermore, the support frame includes two stands that set up side by side, two the top of stand all is provided with supporting component, supporting component connects through a slide bar height-adjustable ground the stand.

Furthermore, the upright posts are provided with sliding cavities with upward openings, the bottoms of the sliding rods are slidably arranged in the sliding cavities, and sliding chutes communicated with the sliding cavities are formed in opposite sides of the two upright posts;

still include the connecting rod, the connecting rod both ends set up two respectively with sliding from top to bottom in the spout of stand, and fixed connection is two slide bar in the stand, be provided with actuating mechanism on the bottom plate, its output is connected the connecting rod is used for promoting the connecting rod slides from top to bottom.

Furthermore, the driving mechanism comprises a threaded sleeve rotatably connected with the top of the bottom plate, a lifting screw rod is connected in the threaded sleeve in a threaded mode, and the lifting screw rod is vertically arranged and fixedly connected with the connecting rod at the top.

Further, threaded sleeve bottom is provided with the bellying, be equipped with on the bottom plate with the mounting hole of bellying adaptation, the bellying sets up in the mounting hole, the cover is equipped with footstep bearing on the bellying, footstep bearing sets up the bottom plate top with between the threaded sleeve bottom, the bellying has the ring cover through the screw connection, the bottom plate sets up the ring cover with between the threaded sleeve, the lifting screw bottom is passed the ring cover.

Further, the supporting component comprises a fixing block and T-shaped steel, the bottom of the fixing block is fixedly connected with the top of the sliding rod, a groove is formed in the top of the fixing block, the vertical portion of the T-shaped steel can be slidably arranged in the groove, the T-shaped steel on the supporting component is connected through a telescopic rod, and the telescopic rod is arranged in the sliding direction of the T-shaped steel.

Furthermore, the both ends of connecting axle all fixedly connected with installation piece, the gyro wheel is installed installation piece bottom, its axle center sets up the connecting axle below.

The invention has the following beneficial effects: this strutting arrangement is through setting up gyro wheel and connecting axle off-centre, and then rotatory gyro wheel can make it break away from ground, comes height-adjustable support whole strutting arrangement by levelling mechanism to produce the restraint to the connecting axle, and then what make strutting arrangement can stabilize places on unevenness subaerial, and still has the beneficial effect of the removal of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view;

FIG. 3 is a schematic view of two support devices supporting a floor slab;

FIG. 4 is a schematic cross-sectional view;

FIG. 5 is an enlarged view of the point A in FIG. 4;

FIG. 6 is an enlarged view of the point B in FIG. 4;

FIG. 7 is a schematic view of the rollers off the ground;

fig. 8 is a schematic view of the screw pushing the supporting head to extend out of the fixing post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-8, a building supporting device comprises a supporting frame for supporting a floor slab 1, wherein the supporting frame is arranged on a bottom plate 2, two adjusting assemblies are arranged on the bottom plate 2 side by side, and the supporting frame is arranged between the two adjusting assemblies;

adjusting part includes connecting axle 18 and two and is used for changing it and passes the length of bottom plate 2 to it is spacing connecting axle 18 circumferential direction's levelling mechanism, connecting axle 18 both ends all are provided with gyro wheel 12, two four on the adjusting part gyro wheel 12 sets up four ends in bottom plate 2 circumference, gyro wheel 12 axle center with connecting axle 18 eccentric settings, connecting axle 18 passes and rotationally connects two levelling mechanism, levelling mechanism passes the bottom plate 2.

The bottom plate 2 is in a cuboid structure, the four rollers 12 and the four leveling mechanisms are correspondingly arranged at positions close to four end points of the cuboid structure, the self-rotation axes of the rollers 12 are concentric with the circle center of the rollers and are eccentrically arranged compared with the axes of the connecting shaft 18, namely, a certain distance is reserved between the axes of the rollers 12 and the axes of the connecting shaft 18, so that when the connecting shaft 18 is rotated, the rollers 12 rotate around the axes of the connecting shaft 18 and further break away from the ground.

In practical implementation, as shown in fig. 1, in this case, the free state of the supporting device, the roller 12 can roll on the ground, in order to move the supporting means, when it is desired to support the floor slab 1, as shown in fig. 7, the constructor rotates the rollers 12 about the connecting shafts 18, and then is separated from the ground, so that the part of the bottom of the leveling mechanism, which penetrates through the bottom plate 2, supports the bottom plate 2 and the whole supporting device, and the leveling mechanism limits the connection shaft 18 to rotate circumferentially at the moment, so that the connection shaft 18 can not rotate and keeps relatively fixed, further leading the roller 12 to be in a suspended state, then adjusting the length of the bottom part of the leveling mechanism penetrating through the bottom plate 2 to play a leveling role, sequentially adjusting the four leveling mechanisms, so four strong points of bottom plate 2 this moment can both be adjusted, make whole strutting arrangement be applicable to unevenness's ground, finally put floor 1 again on the support frame can.

This strutting arrangement is through setting up gyro wheel 12 and connecting axle 18 off-centre, and then rotatory gyro wheel 12 can make it break away from ground, comes height-adjustable support whole strutting arrangement by levelling mechanism to produce the restraint to connecting axle 18, compare and adopt the cushion structure among the prior art, this device has not only solved its unstable technical problem, still has the function of being convenient for to remove, supports the in-process gyro wheel 12 atress moreover, has further suggested structural stability.

Further, the leveling mechanism comprises a fixing column 14, the fixing column 14 is connected with the bottom plate 2, the bottom of the fixing column 14 penetrates through the bottom plate 2, the fixing column 14 is provided with a cavity, and the connecting shaft 18 rotatably penetrates through the cavity and two sides of the fixing column 14;

a screw rod 15 is connected to the top of the fixed column 14 in a threaded manner, the screw rod 15 is vertically arranged in the radial direction of the connecting shaft 18, the bottom of the screw rod 15 is abutted against the side face of the connecting shaft 18, a limiting through hole 19 matched with the screw rod 15 is radially arranged on the connecting shaft 18, the axis of the limiting through hole 19 is horizontally arranged, and when the limiting through hole 19 rotates to be concentric with the screw rod 15, the roller 12 leaves the ground;

the bottom of the cavity is provided with a supporting head 13, the bottom of the fixed column 14 is provided with a sliding hole for the supporting head 13 to penetrate out, and the screw 15 is used for penetrating through the limiting through hole 19 and pushing the supporting head 13 out of the sliding hole.

As shown in fig. 4 and 5, the supporting device is in a free state, that is, the roller 12 abuts against the ground, the hole axis of the limiting through hole 19 is in a horizontal state and is perpendicular to the vertical screw 15, the screw 15 is rotated upwards, so that the bottom of the screw 15 is separated from the connecting shaft 18, at this time, the connecting shaft 18 is rotated by holding the roller 12, as shown in fig. 7 and 8, the roller 12 is rotated 90 degrees, the hole axis of the limiting through hole 19 is in a vertical state and is concentric with the screw 15, at this time, the screw 15 can be rotated downwards to be inserted into the limiting through hole 19, and in the process of continuous downward movement of the screw 15, the supporting head 13 is ejected out to be in contact with the ground, so that the height of the supporting head 13 for jacking up the bottom plate and the whole supporting device can be adjusted according to the rotation amount of the screw 15, and meanwhile, the screws 15 on the four leveling mechanisms are sequentially adjusted, so that the leveling of the bottom of the whole supporting device can be realized, the supporting device is stably placed on the uneven ground, and meanwhile, the screw 15 limits the circumferential rotation of the connecting shaft 18, so that the connecting shaft 18 and the roller 12 are kept relatively fixed.

Specifically, fixed column 14 includes casing and top cap, the cavity sets up in the casing, and the casing top is equipped with the opening, the opening terminal surface of screw connection casing is passed through to the top cap, screw rod 15 is the threaded connection top cap promptly, be equipped with four square holes with casing adaptation and one-to-one on the bottom plate 2, the casing lower extreme sets up in the square hole and the bottom extends the square hole, the casing side is equipped with a connecting plate 23, connecting plate 23 is hollow structure, the casing sets up in its hollow portion and fixed connection connecting plate 23, connecting plate 23 passes through the top of screw connection bottom plate 2, the detachably structure is convenient for leveling mechanism's installation and dismantlement.

In addition, in the concrete implementation, if the ground is flat, the screw 15 is not needed to push out the supporting head 13, the whole supporting device is directly supported by the bottoms of the fixed columns 14, and the bottom end faces of the four fixed columns 14 are positioned on the same horizontal plane and are higher than the height of the roller 12 when the roller is in contact with the ground.

Furthermore, the top of the support head 13 is provided with a limit block adapted to the cavity, the support head 13 is sleeved with a spring 22, and two ends of the spring 22 are respectively abutted to the bottom of the limit block and the bottom of the cavity.

As shown in fig. 5, the cross sections of the supporting head 13 and the limiting block are in a "T" shape, the limiting block plays a role of limiting, preventing the supporting head 13 from sliding out, at this time, the highest height of the supporting head 13 is, the bottom of the supporting head 13 is in the sliding hole, the spring 22 is in a natural state, slightly compressed by the supporting head 13, and a certain gap is formed between the top of the supporting head 13 and the connecting shaft 18, in the process that the screw 15 moves downwards, as shown in fig. 8, the bottom of the screw 15 pushes out the support head 13 by abutting against a limit block, the spring 22 is compressed, in the process that the screw 15 rises again, the spring 22 resets and the support head 13 rises, the structure that the support head 13 blocks the sliding hole has the function of preventing dust, and the dust and the soil on the ground of a construction site are common phenomena, the supporting head 13 can effectively prevent dust from entering the fixed column 14, and the dust is prevented from influencing the screw thread of the screw rod 15 and the rotation of the connecting shaft 18.

Further, the connecting shaft 18 is radially provided with a limiting groove 20 adapted to the screw 15, and the bottom of the screw 15 is arranged in the limiting groove 20.

Specifically, two limiting grooves 20 are provided, the axes of the two limiting grooves 20 are concentric and perpendicular to the axis of the limiting through hole 19, the limiting grooves 20 play a limiting role, so that the connecting shaft 18 cannot slide in the axial direction of the connecting shaft, and have a positioning function, so that the limiting through hole 19 and the axis of the screw 15 are positioned on the same plane.

Furthermore, the support frame includes two stands 3 that set up side by side, two the top of stand 3 all is provided with supporting component, supporting component connects through a slide bar 4 adjustable high the stand 3.

Furthermore, the upright posts 3 are provided with sliding cavities with upward openings, the bottoms of the sliding rods 4 are slidably arranged in the sliding cavities, and sliding grooves communicated with the sliding cavities are formed in the opposite sides of the two upright posts 3;

still include connecting

rod

8, 8 both ends of connecting rod set up two respectively with sliding from top to bottom in the spout of stand 3, and fixed connection is two slide bar 4 in the stand 3, be provided with actuating mechanism on the bottom plate 2, its output is connected connecting rod 8 is used for promoting connecting rod 8 slides from top to bottom.

The supporting assembly can slide up and down in the process that the driving mechanism drives the sliding rod 4 to slide up and down, so that the supporting assembly can be conveniently adapted to construction environments with different heights, and the sliding groove has a limiting effect and restricts the stroke of the sliding rod 4 in the up-and-down sliding mode.

Further, actuating mechanism is including rotationally connecting the thread bush 10 at bottom plate 2 top, thread bush 10 female connection has lifting screw 9, lifting screw 9 is vertical to be set up and top fixed connection connecting rod 8.

The thread bush 10 is of a hollow structure, an internal thread matched with the lifting screw 9 is arranged on the inner wall of the hollow part of the thread bush, and the thread bush 10 is rotated to realize the lifting function of the connecting rod 8 and the sliding rod 4 under the action of thread fit.

And threaded fit of thread bush 10 and lifting screw 9 still has the effect of accurate height-adjusting, during the concrete implementation, sets up the scale mark at the spout terminal surface of stand 3, through measuring the height of connecting rod 8, reachs the height that floor 1 is supported, in addition, leveling mechanism still includes scale 16, and it sets up on one side of fixed column 14, to the high real-time measurement in top of screw 15 to further accurate regulation support height.

Further, threaded sleeve 10 bottom is provided with the bellying, be equipped with on bottom plate 2 with the mounting hole of bellying adaptation, the bellying sets up in the mounting hole, the cover is equipped with footstep bearing 21 on the bellying, footstep bearing 21 sets up 2 tops of bottom plate with between the threaded sleeve 10 bottom, the bellying has ring cover 11 through the screw connection, bottom plate 2 sets up ring cover 11 with between the threaded

sleeve

10, 9 bottoms of lifting screw pass ring cover 11.

As shown in fig. 6, the protruding portion is concentric with the threaded sleeve 10, the lifting screw 9 penetrates through the protruding portion and the ring sleeve 11, the cross section of the threaded sleeve 10 and the protruding portion thereof is of a 'T' -shaped structure, the cross section of the ring sleeve 11 is of a 'convex' -shaped structure, the cross section formed by the threaded sleeve 10, the protruding portion and the ring sleeve 11 is of an 'i' -shaped structure, the bottom plate 2 is just arranged in a side groove of the 'i' -shaped structure, and the threaded sleeve 10 and the ring sleeve 11 are detachably arranged to facilitate installation and disassembly.

The thrust bearing 21 is a conventional one, and the upper and lower end faces thereof are respectively abutted against the bottom end face of the threaded sleeve 10 and the top end face of the bottom plate 2.

In addition, the middle part of the bottom plate 2 is an arched mechanism, the arched part of the bottom plate is higher than the heights of the two sides of the bottom plate 2, the thread sleeve 10 is arranged on the arched part, and therefore the length of the bottom of the lifting screw rod 9 which can extend out is longer, and the range of the height of the supporting component which can be adjusted is larger.

Further, the supporting component comprises a fixing block 5 and T-shaped steel 6, the bottom of the fixing block 5 is fixedly connected with the top of the sliding rod 4, a groove is formed in the top of the fixing block 5, the vertical portion of the T-shaped steel 6 can be slidably arranged in the groove, the T-shaped steel 6 on the supporting component is connected through a telescopic rod 7, and the telescopic rod 7 is arranged in the sliding direction of the T-shaped steel 6.

As shown in fig. 3 and 8, the T-section steel 6 is a prior art, which includes a horizontal portion and a vertical portion, the top of the vertical portion is fixedly connected to the middle position of the bottom of the horizontal portion, the two T-section steels 6 are connected by the telescopic rod 7, the total length of the two T-section steels 6 can be adjusted by sliding the two T-section steels 6, and the supporting device can be adapted to the floor slabs 1 with different widths.

During specific implementation, at least two supporting devices are arranged at the bottom of the floor slab 1 side by side, one supporting device supports one end of the floor slab 1 through two T-shaped steel 6, two T-shaped steel 6 of the other supporting device support the other end of the floor slab 1, the floor slab 1 is horizontally supported, and the T-shaped steel 6 is perpendicular to the longer side of the floor slab 1.

Further, both ends of the connecting shaft 18 are fixedly connected with mounting blocks 17, the roller 12 is mounted at the bottom of the mounting blocks 17, and the axis of the roller is arranged below the connecting shaft 18.

Specifically, the rollers 12 are prior art and universal wheels that are attached to the bottom of the mounting block 17 by screws.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims

1. A building support device comprising a support frame for supporting a floor (1), characterised in that: the supporting frame is arranged on a bottom plate (2), two adjusting assemblies are arranged on the bottom plate (2) side by side, and the supporting frame is arranged between the two adjusting assemblies;

adjusting part includes connecting axle (18) and two and is used for changing it and passes the length of bottom plate (2), and it is spacing connecting axle (18) circumferential direction's levelling mechanism, connecting axle (18) both ends all are provided with gyro wheel (12), two on the adjusting part gyro wheel (12) set up four ends of bottom plate (2) circumference, gyro wheel (12) axle center with connecting axle (18) eccentric settings, connecting axle (18) pass and rotationally connect two levelling mechanism, the levelling mechanism bottom is passed bottom plate (2).

2. A building support device as claimed in claim 1, wherein: the leveling mechanism comprises a fixing column (14), the fixing column (14) is connected with the bottom plate (2), the bottom of the fixing column penetrates through the bottom plate (2), a cavity is formed in the fixing column (14), and the connecting shaft (18) can rotatably penetrate through the cavity and two sides of the fixing column (14);

the top of the fixed column (14) is in threaded connection with a screw rod (15), the screw rod (15) is vertically arranged in the radial direction of the connecting shaft (18), the bottom of the screw rod (15) is abutted against the side face of the connecting shaft (18), the connecting shaft (18) is radially provided with a limiting through hole (19) matched with the screw rod (15), the axis of the limiting through hole (19) is horizontally arranged, and when the limiting through hole (19) rotates to be concentric with the screw rod (15), the roller (12) leaves the ground;

the bottom of the cavity is provided with a supporting head (13), the bottom of the fixed column (14) is provided with a sliding hole for the supporting head (13) to penetrate out, and the screw (15) is used for penetrating through the limiting through hole (19) and pushing the supporting head (13) out of the sliding hole.

3. A building support device as claimed in claim 2, wherein: the top of the support head (13) is provided with a limit block matched with the cavity, the support head (13) is sleeved with a spring (22), and two ends of the spring (22) are respectively abutted against the bottom of the limit block and the bottom of the cavity.

4. A building support device as claimed in claim 2, wherein: the connecting shaft (18) is radially provided with a limiting groove (20) matched with the screw rod (15), and the bottom of the screw rod (15) is arranged in the limiting groove (20).

5. A building support device as claimed in claim 1, wherein: the support frame includes two stand (3) that set up side by side, two the top of stand (3) all is provided with supporting component, supporting component connects through a slide bar (4) height-adjustable ground stand (3).

6. A building support device as claimed in claim 5, wherein: the upright posts (3) are provided with sliding cavities with upward openings, the bottoms of the sliding rods (4) are slidably arranged in the sliding cavities, and sliding grooves communicated with the sliding cavities are formed in the opposite sides of the two upright posts (3);

still include connecting rod (8), connecting rod (8) both ends set up two respectively with sliding from top to bottom in the spout of stand (3), and fixed connection is two slide bar (4) in stand (3), be provided with actuating mechanism on bottom plate (2), its output is connected connecting rod (8) are used for promoting connecting rod (8) slides from top to bottom.

7. A building support device as claimed in claim 6, wherein: the driving mechanism comprises a threaded sleeve (10) rotatably connected to the top of the bottom plate (2), a lifting screw (9) is connected to the threaded sleeve (10) in an internal thread mode, and the lifting screw (9) is vertically arranged and fixedly connected to the top of the connecting rod (8).

8. A building support device as claimed in claim 7, wherein: threaded sleeve (10) bottom is provided with the bellying, be equipped with on bottom plate (2) with the mounting hole of bellying adaptation, the bellying sets up in the mounting hole, the cover is equipped with footstep bearing (21) on the bellying, footstep bearing (21) set up bottom plate (2) top with between threaded sleeve (10) bottom, the bellying has ring cover (11) through the screw connection, bottom plate (2) set up ring cover (11) with between threaded sleeve (10), lifting screw (9) bottom is passed ring cover (11).

9. A building support device as claimed in claim 5, wherein: the supporting component comprises a fixing block (5) and T-shaped steel (6), the bottom of the fixing block (5) is fixedly connected with the top of the sliding rod (4), a groove is formed in the top of the fixing block (5), the vertical portion of the T-shaped steel (6) can be slidably arranged in the groove, the T-shaped steel (6) on the supporting component is connected through a telescopic rod (7), and the telescopic rod (7) is arranged in the sliding direction of the T-shaped steel (6).

10. A building support device as claimed in claim 1, wherein: the two ends of the connecting shaft (18) are fixedly connected with mounting blocks (17), the roller (12) is mounted at the bottom of the mounting blocks (17), and the axis of the roller is arranged below the connecting shaft (18).