CN116427551A

CN116427551A - Assembled building beam installation strutting arrangement

Info

Publication number: CN116427551A
Application number: CN202310603288.0A
Authority: CN
Inventors: 曾剑锋; 陈华奎; 史幸祺; 叶艺敏
Original assignee: Huizhou Ming'an Construction Engineering Co ltd
Current assignee: Huizhou Ming'an Construction Engineering Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-07-14

Abstract

The utility model discloses an assembly type building beam mounting and supporting device, which relates to the technical field of beam mounting and comprises two vertical plates, a fixed plate arranged on one side of the two vertical plates and an upper top plate arranged on the top of the two vertical plates, wherein a fixing mechanism for fixing a beam is arranged on the upper top plate; a connecting plate is arranged between the two vertical plates, a screw rod is connected to the connecting plate in a threaded mode, the top of the screw rod is connected to the bottom of the upper top plate in a rotating mode, and a hand wheel is installed at the bottom of the screw rod. The utility model is convenient for adjusting the height of the upper top plate.

Description

Assembled building beam installation strutting arrangement

Technical Field

The utility model relates to the technical field of beam installation, in particular to an assembly type building beam installation supporting device.

Background

Currently, the cross beam is a component of a building or framework. The cross beams are generally referred to as transverse beams, i.e. beams perpendicular to the longitudinal beams, arranged in the short axis direction of the building.

The related art can refer to Chinese patent with the publication number of CN216380731U, which discloses an assembled safety supporting device for building installation, and relates to the field of building installation, comprising an upper top plate, wherein supporting components are detachably arranged on two sides of the bottom of the upper top plate, and two groups of limiting pieces are clamped on the upper top plate; the support assembly comprises a screw rod and support rods, wherein the screw rod is connected to the inside of the support rods in a threaded mode, the outer side of the screw rod is further in threaded sleeve connection with a spiral rotating block, and a support piece is further arranged between the two support rods. According to the utility model, the two groups of limiting pieces are arranged on the upper top plate, and the positions of the two groups of limiting pieces are adjustable, so that the corresponding adjustment can be performed according to the width of the cross beam, meanwhile, the length of the screw rod in the supporting rod can be adjusted, so that the height of the device can be indirectly adjusted, the device is suitable for cross beams with different sizes and heights, the flexibility is high, and secondly, the supporting pieces are arranged between the two supporting rods, namely, the positioning rod and the two supporting rods are fixed by adopting the connecting pieces, so that the bottom of the upper top plate is ensured to be stable. Comprising an upper top plate

However, when the height of the upper top plate is adjusted, a plurality of screw rotating blocks are required to be simultaneously operated, so that the height of the upper top plate is inconvenient to adjust.

Disclosure of Invention

The application provides an assembled building crossbeam installation strutting arrangement, be convenient for adjust the height of last roof.

The application provides an assembled building crossbeam installation strutting arrangement adopts following technical scheme:

the mounting and supporting device for the assembled building beam comprises two vertical plates, a fixed plate arranged on one side of the two vertical plates and an upper top plate arranged on the top of the two vertical plates, wherein a fixing mechanism for fixing the beam is arranged on the upper top plate; a connecting plate is arranged between the two vertical plates, a screw rod is connected to the connecting plate in a threaded mode, the top of the screw rod is connected to the bottom of the upper top plate in a rotating mode, and a hand wheel is installed at the bottom of the screw rod.

Through adopting above-mentioned technical scheme, when need highly adjusting the roof, through hand wheel drive lead screw rotation, the lead screw rotates alright highly adjusting the roof to be convenient for highly adjusting the roof.

Preferably, each sliding groove is internally connected with a buffer plate in a sliding manner, the top of the buffer plate is abutted to the bottom of the sliding plate, the bottom of the buffer plate is fixedly connected with a buffer spring, and one end, far away from the buffer plate, of the buffer spring is arranged at the bottom of the sliding groove.

Through adopting above-mentioned technical scheme, buffer board and buffer spring that sets up can play the cushioning effect to the slide to can alleviate the rigid contact of roof and riser.

Preferably, a supporting mechanism for supporting the upper top plate is arranged between each vertical plate and the upper top plate.

Through adopting above-mentioned technical scheme, the supporting mechanism of setting is convenient for support the roof.

Preferably, the supporting mechanism comprises a first sliding block connected to the bottom of the upper top plate in a sliding way, a second sliding block connected to one side of the vertical plate in a sliding way, and a connecting rod arranged between the first sliding block and the second sliding block; two ends of the connecting rod are respectively hinged to the bottom of the first sliding block and one side of the second sliding block; and a fixing assembly for fixing the second sliding block is arranged on the vertical plate.

By adopting the technical scheme, when the height of the upper top plate is adjusted, the first sliding block and the second sliding block adaptively move under the action of the connecting rod; after the height of the upper top plate is adjusted, the second sliding block is fixed through the fixing assembly, and the upper top plate can be supported at the moment; in conclusion, the supporting mechanism is convenient for supporting the upper top plate.

Preferably, a first vertical groove for sliding the second sliding block is formed in one side of the vertical plate, the fixing assembly comprises a rack fixedly connected to one side of the second sliding block, a horizontal shaft is connected in the first vertical groove in a rotating mode, a gear is sleeved and fixed on the horizontal shaft, and the gear is meshed with the rack; the one end that the rack was kept away from to the horizontal axis runs through the riser and keeps away from the one end setting of lead screw, the one end rigid coupling that the lead screw was kept away from to the riser has the fixed block, threaded connection has first bolt on the fixed block, the one end butt of first bolt is in the lateral wall of horizontal axis.

By adopting the technical scheme, the second sliding block moves to drive the rack to move, the rack moves to drive the gear to rotate, the gear rotates to drive the horizontal shaft to rotate, and when the second sliding block needs to be fixed, the first bolt is screwed to fix the horizontal shaft; the fixed subassembly of setting is convenient for fix the second slider.

Preferably, the fixing mechanism comprises two mounting plates fixedly connected to two ends of the top of the upper top plate respectively, and the two mounting plates are arranged at intervals; a horizontal groove is formed in one side, close to the cross beam, of each mounting plate, and an abutting plate is connected in the horizontal groove in a sliding manner and abuts against one side of the cross beam; one side of the abutting plate, which is far away from the cross beam, is fixedly connected with a pull rod, one end of the pull rod, which is far away from the abutting plate, penetrates through one side of the horizontal groove, which is far away from the cross beam, a first spring is sleeved on the pull rod, one end of the first spring is fixedly connected with one side of the abutting plate, which is close to the pull rod, and the other end of the first spring is fixedly connected with the inner wall of one side of the horizontal groove, which is far away from the cross beam;

the top wall of the horizontal groove is provided with a second vertical groove, a baffle plate is slidably connected in the second vertical groove, and one side of the abutting plate, which is far away from the first spring, abuts against one side of the baffle plate, which is close to the first spring; and a driving piece for driving the baffle to move is arranged on the mounting plate.

By adopting the technical scheme, when the cross beam needs to be fixed, the baffle is driven by the driving piece to move upwards, and the abutting plate can fix the cross beam under the action of the first spring; when the cross beam is not required to be supported, the abutting plate is separated from the cross beam through the pull rod, then the upper top plate is driven to move downwards through the lead screw, the baffle moves downwards to block the abutting plate under the action of the driving piece, and then the pull rod is loosened; the fixed establishment who sets up is convenient for fix the crossbeam.

Preferably, the mounting block is installed to one side that the mounting panel kept away from the crossbeam, threaded connection has the second bolt on the mounting block, the one end of second bolt can the butt in the lateral wall of pull rod.

Through adopting above-mentioned technical scheme, after making the butt board get into the horizontal groove through the pull rod, fix the pull rod through the second bolt, can reduce operating personnel's intensity of labour like this.

Preferably, the driving piece comprises a rotating shaft rotatably connected to the top of the mounting plate and a bearing plate fixedly connected to the rotating shaft; torsion springs are respectively sleeved at two ends of the rotating shaft, opposite ends of the two torsion springs are respectively fixedly connected to two sides of the bearing plate, and mutually far ends of the two torsion springs are fixedly connected to the top of the mounting plate; the rope body is fixedly connected to the rotating shaft, a through hole is formed in the top wall of the second vertical groove, and one end, far away from the rotating shaft, of the rope body penetrates through the through hole and is fixedly connected with the top of the baffle plate.

Through adopting above-mentioned technical scheme, when hanging the crossbeam between two mounting panels, the crossbeam drive loading board rotates this moment, and the loading board rotates and drives the pivot and rotate, and the pivot rotates and supports the pressure to the torsional spring, and furthermore, the pivot rotates and drives the rope body motion, and the rope body motion drives the baffle and upwards moves to can remove the jam to the loading board; when the upper top plate is separated from the cross beam, the torsion spring drives the rotating shaft to reset, and then the rope drives the baffle to reset; the driving piece is arranged, so that the baffle plate can be conveniently driven to move.

Preferably, a retarder is installed at the top of the upper top plate corresponding to the abutting plate, the retarder comprises a vertical block, a third vertical groove for sliding the vertical block is formed at the top of the upper top plate, and an inclined plane is arranged at one side, close to the abutting plate, of the vertical block; the bottom of the vertical block is fixedly connected with a third spring, and one end of the third spring, which is far away from the vertical block, is fixedly connected with the bottom of the third vertical groove.

Through adopting above-mentioned technical scheme, after the butt board removed outside the horizontal groove, the butt board was the perpendicular piece of drive down removal under the effect of inclined plane this moment to can slow down the travel speed of butt board under the effect of inclined plane, thereby can alleviate the rigid contact of butt board and crossbeam.

In summary, the present application has the following beneficial effects:

1. when the height of the upper top plate needs to be adjusted, the screw rod is driven to rotate through the hand wheel, and the screw rod can be rotated to adjust the height of the upper top plate, so that the height of the upper top plate is convenient to adjust;

2. when the height of the upper top plate is adjusted, the first sliding block and the second sliding block adaptively move under the action of the connecting rod; after the height of the upper top plate is adjusted, the second sliding block is fixed through the fixing assembly, and the upper top plate can be supported at the moment; in conclusion, the supporting mechanism is arranged, so that the upper top plate is convenient to support;

3. when the cross beam is hung between the two mounting plates, the cross beam drives the bearing plate to rotate, the bearing plate rotates to drive the rotating shaft to rotate, the rotating shaft rotates to press the torsion spring, and furthermore, the rotating shaft rotates to drive the rope body to move, and the rope body moves to drive the baffle plate to move upwards, so that the blocking of the bearing plate can be relieved; when the upper top plate is separated from the cross beam, the torsion spring drives the rotating shaft to reset, and then the rope drives the baffle to reset; the driving piece is arranged, so that the baffle plate can be conveniently driven to move.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of a supporting mechanism according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a protruding fixing mechanism according to an embodiment of the present application;

fig. 4 is a cross-sectional view of a salient retarder in an embodiment of the present application.

Reference numerals illustrate: 1. a riser; 11. a fixing plate; 12. a chute; 13. a connecting plate; 14. a screw rod; 15. a hand wheel; 16. a guide rod; 17. a limiting plate; 18. a buffer plate; 19. a buffer spring; 2. an upper top plate; 21. a slide plate; 22. a bar-shaped groove; 23. a horizontal bar; 24. a third vertical groove; 3. a support mechanism; 31. a first slider; 32. a second slider; 33. a connecting rod; 4. a fixing assembly; 41. a first vertical groove; 42. a rack; 43. a horizontal axis; 44. a gear; 45. a fixed block; 46. a first bolt; 5. a fixing mechanism; 51. a mounting plate; 511. a horizontal slot; 512. a second vertical groove; 513. a through hole; 52. an abutting plate; 521. a protective layer; 53. a pull rod; 54. a first spring; 55. a baffle; 56. a mounting block; 57. a second bolt; 6. a driving member; 61. a rotating shaft; 62. a receiving plate; 63. a torsion spring; 64. a rope body; 7. a retarder; 71. a vertical block; 711. an inclined plane; 72. a third spring; 8. and a cross beam.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper", "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

The utility model discloses an assembly type building beam mounting and supporting device, which is shown in fig. 1 and comprises two vertical plates 1, a fixing plate 11 arranged on one side of the two vertical plates 1 through bolts and an upper top plate 2 arranged on the tops of the two vertical plates 1, wherein the fixing plate 11 is used for connecting the two vertical plates 1, and a fixing mechanism 5 used for fixing a beam 8 is arranged on the upper top plate 2.

As shown in fig. 1 and 2, two sliding plates 21 are respectively arranged at two ends of the bottom of the upper top plate 2, two sliding grooves 12 are respectively arranged at the tops of the two vertical plates 1, and the sliding plates 21 are correspondingly connected to the sliding grooves 12 in a sliding manner along the vertical direction; a connecting plate 13 is arranged between the two vertical plates 1, a screw rod 14 is vertically connected to the connecting plate 13 in a threaded manner, the top of the screw rod 14 is rotationally connected to the bottom of the upper top plate 2 through a bearing, and a hand wheel 15 is installed at the bottom of the screw rod 14; the bottom of the upper top plate 2 is vertically fixedly connected with a guide rod 16, the guide rod 16 penetrates through the connecting plate 13, is vertically connected with the connecting plate 13 in a sliding manner, and one end, far away from the upper top plate 2, of the guide rod 16 is provided with a limiting plate 17.

As shown in fig. 1 and 2, a buffer plate 18 is slidably connected in each chute 12 along the vertical direction, the top of the buffer plate 18 is abutted against the bottom of the sliding plate 21, a buffer spring 19 is vertically fixedly connected to the bottom of the buffer plate 18, and one end, away from the buffer plate 18, of the buffer spring 19 is abutted against or fixedly connected to the bottom of the chute 12. The buffer plate 18 and the buffer spring 19 provided can buffer the slide plate 21, and can reduce the rigid contact between the upper top plate 2 and the vertical plate 1.

As shown in fig. 1 and 2, a supporting mechanism 3 for supporting the upper top plate 2 is provided between each riser 1 and the upper top plate 2, and the supporting mechanism 3 includes a first slider 31 slidably connected to the bottom of the upper top plate 2, a second slider 32 slidably connected to one side of the riser 1, and a link 33 provided between the first slider 31 and the second slider 32; the bottom of the upper top plate 2 is provided with a bar-shaped groove 22, a horizontal rod 23 is fixedly connected in the bar-shaped groove 22, the horizontal rod 23 penetrates through the first sliding block 31, the first sliding block 31 is connected with the horizontal rod 23 in a sliding manner along the length direction of the upper top plate 2, and two ends of a connecting rod 33 are respectively hinged to the bottom of the first sliding block 31 and one side of the second sliding block 32; the riser 1 is provided with a fixing assembly 4 for fixing the second slider 32. When the height of the upper top plate 2 is adjusted, the first slider 31 and the second slider 32 perform adaptive movement under the action of the connecting rod 33; after the height of the upper top plate 2 is adjusted, the second sliding block 32 is fixed through the fixing component 4, and at the moment, the upper top plate 2 can be supported; in conclusion, the supporting mechanism 3 is arranged to facilitate the supporting of the upper top plate 2.

As shown in fig. 1 and 2, a first vertical groove 41 for enabling a second sliding block 32 to slide vertically is formed in one side of a vertical plate 1, a dovetail block is fixedly connected to one side of the second sliding block 32, a dovetail groove for enabling the dovetail block to slide vertically is formed in the side wall of the first sliding groove 41, a fixing assembly 4 comprises a rack 42 vertically fixedly connected to one side of the second sliding block 32, a horizontal shaft 43 is rotatably connected in the first vertical groove 41 through a bearing, the horizontal shaft 43 is arranged along the length direction of an upper top plate 2, a gear 44 is fixedly sleeved on the horizontal shaft 43, and the gear 44 is meshed with the rack 42; one end of the horizontal shaft 43, which is far away from the rack 42, penetrates through one end of the vertical plate 1, which is far away from the screw rod 14, and one end of the vertical plate 1, which is far away from the screw rod 14, is horizontally fixedly connected with a fixed block 45, a first bolt 46 is vertically connected to the fixed block 45 in a threaded manner, and one end of the first bolt 46 is abutted against the side wall of the horizontal shaft 43. The second slide block 32 moves to drive the rack 42 to move, the rack 42 moves to drive the gear 44 to rotate, the gear 44 rotates to drive the horizontal shaft 43 to rotate, and when the second slide block 32 needs to be fixed, the first bolt 46 is screwed to fix the horizontal shaft 43; the fixing component 4 is arranged to facilitate fixing the second slider 32.

As shown in fig. 1 and 3, the fixing mechanism 5 comprises two mounting plates 51 fixedly connected to two ends of the top of the upper top plate 2 respectively, and the two mounting plates 51 are arranged at intervals and used for placing the cross beam 8; a horizontal groove 511 is formed in one side, close to the cross beam 8, of each mounting plate 51, an abutting plate 52 is slidably connected in the horizontal groove 511 along the length direction of the upper top plate 2, the abutting plate 52 abuts against one side of the cross beam 8, a protective layer 521 is fixedly connected to one side, close to the cross beam 8, of the abutting plate 52, and rubber is used as a material for the protective layer 521; a pull rod 53 is fixedly connected to one side, far away from the cross beam 8, of the abutting plate 52, the pull rod 53 is arranged along the length direction of the upper top plate 2, one end, far away from the abutting plate 52, of the pull rod 53 penetrates through the horizontal groove 511 and is arranged on one side, far away from the cross beam 8, of the abutting plate 52, a first spring 54 is sleeved on the pull rod 53, the first spring 54 is arranged along the width direction of the mounting plate 51, one end of the first spring 54 is fixedly connected to one side, close to the pull rod 53, of the abutting plate 52, and the other end of the first spring 54 is fixedly connected to the inner wall of one side, far away from the cross beam 8, of the horizontal groove 511; a second vertical groove 512 is formed in the top wall of the horizontal groove 511, a baffle 55 is connected in the second vertical groove 512 in a sliding manner along the vertical direction, and one side, away from the first spring 54, of the abutting plate 52 abuts against one side, close to the first spring 54, of the baffle 55; the mounting plate 51 is mounted with a driving member 6 for driving the shutter 55 to move. When the cross beam 8 needs to be fixed, the baffle 55 is driven to move upwards by the driving piece 6, and the abutting plate 52 can fix the cross beam 8 under the action of the first spring 54; when the cross beam 8 is not required to be supported, the abutting plate 52 is separated from the cross beam 8 through the pull rod 53, then the upper top plate 2 is driven to move downwards through the lead screw 14, at the moment, the baffle plate 55 moves downwards to block the abutting plate 52 under the action of the driving piece 6, and then the pull rod 53 is released; the fixed mechanism 5 is arranged to be convenient for fixing the cross beam 8.

As shown in fig. 3, a mounting block 56 is horizontally mounted on a side of the mounting plate 51 away from the cross beam 8, a second bolt 57 is vertically screwed to the mounting block 56, and one end of the second bolt 57 can abut against a side wall of the pull rod 53. When the abutting plate 52 is put into the horizontal groove 511 by the tie rod 53, the tie rod 53 is fixed by the second bolt 57, so that the labor intensity of the operator can be reduced.

As shown in fig. 3, the driving member 6 includes a rotating shaft 61 horizontally rotatably connected to the top of the mounting plate 51 through a bearing, and a receiving plate 62 fixedly connected to the rotating shaft 61; the horizontal shaft 43 is arranged along the length direction of the mounting plate 51, the two ends of the rotating shaft 61 are respectively sleeved with the torsion springs 63, the torsion springs 63 are arranged along the axial direction of the horizontal shaft 43, the opposite ends of the two torsion springs 63 are respectively fixedly connected to the two sides of the bearing plate 62, and the mutually far ends of the two torsion springs 63 are fixedly connected to the top of the mounting plate 51; the rotating shaft 61 is fixedly connected with a rope body 64, a through hole 513 is formed in the top wall of the second vertical groove 512, one end, far away from the second vertical groove 512, of the through hole 513 extends vertically upwards to penetrate through the top of the mounting plate 51, and one end, far away from the rotating shaft 61, of the rope body 64 penetrates through the through hole 513 and is fixedly connected with the top of the baffle plate 55. When the cross beam 8 is hung between the two mounting plates 51, the cross beam 8 drives the bearing plate to rotate, the bearing plate 62 rotates to drive the rotating shaft 61 to rotate, the rotating shaft 61 rotates to press the torsion spring 63, the rotating shaft 61 rotates to drive the rope 64 to move, and the rope 64 moves to drive the baffle 55 to move upwards, so that the blocking of the abutting plate 52 can be relieved; when the upper top plate 2 is separated from the cross beam 8, the torsion spring 63 drives the rotating shaft 61 to reset, and then the rope 64 drives the baffle 55 to reset; the driving member 6 is provided to facilitate the movement of the driving shutter 55.

As shown in fig. 3 and 4, a retarder 7 is mounted on the top of the upper top plate 2 corresponding to the abutting plate 52, the retarder 7 comprises a vertical block 71, a third vertical groove 24 for the vertical block 71 to slide vertically is formed in the top of the upper top plate 2, and an inclined surface 711 is arranged on one side of the vertical block 71 close to the abutting plate 52; the bottom of the vertical block 71 is fixedly connected with a third spring 72, the third spring 72 is vertically arranged, and one end of the third spring 72, which is far away from the vertical block 71, is fixedly connected with the bottom of the third vertical groove 24. When the abutting plate 52 moves out of the horizontal groove 511, the abutting plate 52 drives the vertical block 71 to move downward under the action of the inclined surface 711, so that the moving speed of the abutting plate 52 can be slowed down under the action of the inclined block, and the rigid contact between the abutting plate 52 and the cross beam 8 can be lightened.

Working principle: when the height of the upper top plate 2 needs to be adjusted, the screw rod 14 is driven to rotate through the hand wheel 15, and the screw rod 14 can be rotated to adjust the height of the upper top plate 2, so that the height of the upper top plate 2 is convenient to adjust.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an assembled building crossbeam installation strutting arrangement, includes two risers (1), installs fixed plate (11) in two riser (1) one side and installs in last roof (2) at two riser (1) tops, install on last roof (2) and be used for carrying out fixed establishment (5) to crossbeam (8), its characterized in that: sliding plates (21) are respectively arranged at two ends of the bottom of the upper top plate (2), sliding grooves (12) are respectively formed in the tops of the two vertical plates (1), and the sliding plates (21) are correspondingly connected to the sliding grooves (12) in a sliding manner; a connecting plate (13) is arranged between the two vertical plates (1), a screw rod (14) is connected to the connecting plate (13) in a threaded mode, the top of the screw rod (14) is connected to the bottom of the upper top plate (2) in a rotating mode, and a hand wheel (15) is installed at the bottom of the screw rod (14).

2. A fabricated building beam mounting and supporting device according to claim 1, wherein: each sliding groove (12) is slidably connected with a buffer plate (18), the top of the buffer plate (18) is abutted to the bottom of the sliding plate (21), a buffer spring (19) is fixedly connected to the bottom of the buffer plate (18), and one end, far away from the buffer plate (18), of the buffer spring (19) is installed at the bottom of the sliding groove (12).

3. A fabricated building beam mounting and supporting device according to claim 1, wherein: a supporting mechanism (3) for supporting the upper top plate (2) is arranged between each vertical plate (1) and the upper top plate (2).

4. A fabricated building beam mounting and supporting device according to claim 3, wherein: the supporting mechanism (3) comprises a first sliding block (31) connected to the bottom of the upper top plate (2) in a sliding manner, a second sliding block (32) connected to one side of the vertical plate (1) in a sliding manner, and a connecting rod (33) arranged between the first sliding block (31) and the second sliding block (32); two ends of the connecting rod (33) are respectively hinged to the bottom of the first sliding block (31) and one side of the second sliding block (32); the vertical plate (1) is provided with a fixing component (4) for fixing the second sliding block (32).

5. A fabricated building beam mounting and supporting device according to claim 4, wherein: a first vertical groove (41) for sliding the second sliding block (32) is formed in one side of the vertical plate (1), the fixing assembly (4) comprises a rack (42) fixedly connected to one side of the second sliding block (32), a horizontal shaft (43) is connected to the first vertical groove (41) in a rotating mode, a gear (44) is fixedly sleeved on the horizontal shaft (43), and the gear (44) is meshed with the rack (42); one end that rack (42) was kept away from to horizontal axis (43) runs through riser (1) and keeps away from the one end setting of lead screw (14), one end rigid coupling that lead screw (14) was kept away from to riser (1) has fixed block (45), threaded connection has first bolt (46) on fixed block (45), the one end butt of first bolt (46) is in the lateral wall of horizontal axis (43).

6. A fabricated building beam mounting and supporting device according to claim 1, wherein: the fixing mechanism (5) comprises two mounting plates (51) fixedly connected to two ends of the top of the upper top plate (2) respectively, and the two mounting plates (51) are arranged at intervals; a horizontal groove (511) is formed in one side, close to the cross beam (8), of each mounting plate (51), an abutting plate (52) is slidably connected in the horizontal groove (511), and the abutting plates (52) abut against one side of the cross beam (8); one side of the abutting plate (52) far away from the cross beam (8) is fixedly connected with a pull rod (53), one end of the pull rod (53) far away from the abutting plate (52) penetrates through the horizontal groove (511) and is arranged on one side of the pull rod (53) far away from the cross beam (8), a first spring (54) is sleeved on the pull rod (53), one end of the first spring (54) is fixedly connected to one side of the abutting plate (52) close to the pull rod (53), and the other end of the first spring is fixedly connected to the inner wall of one side of the horizontal groove (511) far away from the cross beam (8);

a second vertical groove (512) is formed in the top wall of the horizontal groove (511), a baffle plate (55) is slidably connected in the second vertical groove (512), and one side, away from the first spring (54), of the abutting plate (52) abuts against one side, close to the first spring (54), of the baffle plate (55); a driving piece (6) for driving the baffle plate (55) to move is arranged on the mounting plate (51).

7. The fabricated building beam mounting and supporting device according to claim 6, wherein: one side of mounting panel (51) keeping away from crossbeam (8) is installed installation piece (56), threaded connection has second bolt (57) on installation piece (56), the lateral wall in pull rod (53) can be in butt to one end of second bolt (57).

8. The fabricated building beam mounting and supporting device according to claim 6, wherein: the driving piece (6) comprises a rotating shaft (61) rotatably connected to the top of the mounting plate (51) and a bearing plate (62) fixedly connected to the rotating shaft (61); two ends of the rotating shaft (61) are respectively sleeved with a torsion spring (63), opposite ends of the two torsion springs (63) are respectively fixedly connected to two sides of the bearing plate (62), and mutually far ends of the two torsion springs (63) are fixedly connected to the top of the mounting plate (51); the rotating shaft (61) is fixedly connected with a rope body (64), a through hole (513) is formed in the top wall of the second vertical groove (512), and one end, far away from the rotating shaft (61), of the rope body (64) penetrates through the through hole (513) and is fixedly connected with the top of the baffle plate (55).

9. The fabricated building beam mounting and supporting device according to claim 6, wherein: a retarder (7) is arranged at the top of the upper top plate (2) corresponding to the abutting plate (52), the retarder (7) comprises a vertical block (71), a third vertical groove (24) for sliding the vertical block (71) is formed in the top of the upper top plate (2), and an inclined surface (711) is arranged at one side, close to the abutting plate (52), of the vertical block (71); the bottom of the vertical block (71) is fixedly connected with a third spring (72), and one end, far away from the vertical block (71), of the third spring (72) is fixedly connected to the bottom of the third vertical groove (24).