阅读说明：本技术 装配式建筑预制构件吊装装置 (Prefabricated component hoisting device for assembly type building ) 是由 李伟刚 徐江峰 石磊 张岩 苑旺 曹广涛 仇大伟 于 2021-09-23 设计创作，主要内容包括：本申请涉及一种装配式建筑预制构件吊装装置,其包括吊板、吊钩、吊绳、吊具、水平检测组件和水平调节组件,吊钩固定于吊板的下侧,吊具的数量为两个,吊绳悬挂于吊钩上,吊绳的两端分别与两吊具连接；水平检测组件包括水平检测管、水平检测触点和触发小球,水平检测管的两端分别与两吊具固定,水平检测触点的数量为两个且分别设于水平检测管的两端,触发小球滚动连接于水平检测管内；水平调节组件包括主动轮、驱动源和调节绳,主动轮转动连接于吊板上,驱动源设于吊板上驱使主动轮转动,调节绳悬挂于主动轮上且与主动轮互相啮合,调节绳的两端分别与两吊具固定。本申请具有使得预制构件吊装至指定位置时呈竖直状态的效果。(The application relates to an assembly type building prefabricated part hoisting device which comprises a hoisting plate, two hoisting hooks, two hoisting ropes, two hoisting hooks, a horizontal detection assembly and a horizontal adjusting assembly, wherein the two hoisting hooks are fixed on the lower side of the hoisting plate; the horizontal detection assembly comprises horizontal detection tubes, horizontal detection contacts and trigger balls, two ends of each horizontal detection tube are respectively fixed with the two lifting appliances, the number of the horizontal detection contacts is two, the horizontal detection contacts are respectively arranged at two ends of each horizontal detection tube, and the trigger balls are connected in the horizontal detection tubes in a rolling manner; the horizontal adjustment subassembly includes action wheel, driving source and regulation rope, and the action wheel rotates to be connected on the hanger plate, and the driving source is located and is ordered about the action wheel rotation on the hanger plate, adjusts the rope and hangs on the action wheel and intermeshing with the action wheel, and the both ends of adjusting the rope are fixed with two hoists respectively. This application has and is vertical state's effect when making prefabricated component hoist and mount to assigned position.)

1. The utility model provides an assembly type structure prefabricated component hoist device which characterized in that: the lifting device comprises a lifting plate (10), lifting hooks (20), lifting ropes (30), lifting appliances (40), horizontal detection assemblies (50) and horizontal adjusting assemblies (60), wherein the lifting hooks (20) are fixed on the lower side of the lifting plate (10), the number of the lifting appliances (40) is two, the lifting ropes (30) are hung on the lifting hooks (20), and two ends of each lifting rope (30) are respectively connected with the two lifting appliances (40) in a one-to-one correspondence manner;

the horizontal detection assembly (50) comprises horizontal detection tubes (51), horizontal detection contacts (52) and trigger balls (53), two ends of each horizontal detection tube (51) are respectively fixed with the two lifting appliances (40) in a one-to-one correspondence mode, the number of the horizontal detection contacts (52) is two, the horizontal detection contacts are respectively arranged at two ends of each horizontal detection tube (51), and the trigger balls (53) are connected into the horizontal detection tubes (51) in a rolling mode;

horizontal adjustment subassembly (60) are including action wheel (61), driving source (62) and regulation rope (63), action wheel (61) rotate to be connected on hanger plate (10), driving source (62) are located and are driven action wheel (61) rotation on hanger plate (10), adjust rope (63) and hang on action wheel (61) and with action wheel (61) intermeshing, the both ends of adjusting rope (63) are fixed with two hoist (40) one-to-one respectively.

2. The prefabricated building component hoisting device of claim 1, wherein: the groove bottom of the driving wheel (61) is provided with driving teeth (611) arranged along the circumferential direction, and the adjusting rope (63) is provided with an engaging block (631) meshed with the driving teeth (611).

3. The prefabricated building component hoisting device of claim 1 or 2, wherein: horizontal adjustment subassembly (60) still include rotate connect in balance wheel (64) on hanger plate (10), balance wheel (64) with the both sides of lifting hook (20) are located to action wheel (61) symmetry, adjust rope (63) and hang on action wheel (61) and balance wheel (64).

4. The prefabricated building component hoisting device of claim 1, wherein: the middle part of the horizontal detection pipe (51) is provided with an annular groove (511) for the trigger small ball (53) to stay, when the horizontal detection pipe (51) is horizontally arranged, the trigger small ball (53) stays in the annular groove (511), and when the horizontal detection pipe (51) is obliquely arranged, the trigger small ball (53) slides out of the annular groove (511).

5. The prefabricated building component hoisting device of claim 1, wherein: the two lifting appliances (40) are respectively provided with a thread sleeve (41), the two ends of the horizontal detection pipe (51) are respectively provided with a thread section (512), the rotating directions of the thread sections (512) are oppositely arranged, and the two thread sleeves (41) are in one-to-one correspondence to the two thread sections (512) of the horizontal detection pipe (51).

6. The prefabricated building component hoisting device of claim 5, wherein: still including synchronous subassembly (70) of connecting two thread bush (41), synchronous subassembly (70) are including bracing piece (71) and synchronizing shaft (72), the one end of bracing piece (71) is connected with the lateral wall of thread bush (41), the other end of bracing piece (71) is located in synchronizing shaft (72), synchronizing shaft (72) with bracing piece (71) rotate around horizontal detection pipe (51) in step, synchronizing shaft (72) slide along its axial and bracing piece (71) and are connected.

7. The prefabricated building component hoisting device of claim 6, wherein: synchronous subassembly (70) still include slip cover (73), the one end that threaded sleeve (41) was kept away from in bracing piece (71) is located to slip cover (73), the both ends of synchronizing shaft (72) insert respectively two and slide cover (73) and slide with two and be connected.

8. The prefabricated building component hoisting device of claim 7, wherein: still including ordering about horizontal detection pipe (51) pivoted drive assembly (80), drive assembly (80) include driving gear (81) and driven gear (82), driving gear (81) cover is located on synchronizing shaft (72), driving gear (81) with synchronizing shaft (72) synchronous revolution, driven gear (82) cover is located on horizontal detection pipe (51) and is intermeshed with driving gear (81), driven gear (82) with horizontal detection pipe (51) synchronous revolution, the diameter of driving gear (81) is greater than the diameter of driven gear (82), be equipped with on the terminal surface of driving gear (81) and hold pole (811), it is eccentric settings to hold pole (811) and driving gear (81).

9. The prefabricated building component hoisting device of claim 8, wherein: an elastic piece (74) is embedded in the sliding sleeve (73), and the two elastic pieces (74) are respectively abutted to two ends of the synchronizing shaft (72) to drive the synchronizing shaft (72) to be centered.

10. The prefabricated building component hoisting device of claim 8 or 9, wherein: the one end that synchronizing shaft (72) was kept away from in cover (73) that slides is equipped with locking sliding sleeve (75), locking sliding sleeve (75) cover is located on bracing piece (71) and is slided with bracing piece (71) and be connected, the one end that locking sliding sleeve (75) are close to thread bush (41) is rotated and is connected with locking adjusting sleeve (76), locking adjusting sleeve (76) and bracing piece (71) threaded connection to order about locking sliding sleeve (75) to be close to or keep away from thread bush (41).

Technical Field

The application relates to the field of hoisting equipment, in particular to an assembly type building prefabricated part hoisting device.

Background

The prefabricated building refers to that each part of the building such as external wall panels, internal wall panels, laminated slabs, balconies, air-conditioning boards, stairs, prefabricated beams, prefabricated columns and the like is prefabricated, processed and molded in a factory workshop and then transported to a construction site for installation. Because each part is prefabricated and molded in a unified way in a workshop, the size, the structure and the like of each part are more accurate, and only installation is carried out on the site, so that the on-site pouring work is greatly reduced, the on-site construction is simpler, the on-site pouring maintenance process is omitted, and the construction period can be greatly shortened.

Some prefabricated components are not on the central line because of reasons such as asymmetric shape, different position's material difference for the prefabricated component is easy to appear inclining because of the focus is not on the vertical central line of lifting hook after lifting by crane, consequently, when hoisting prefabricated component to the assigned position, the prefabricated component is in the tilt state, is unfavorable for the going on of assembly work.

Disclosure of Invention

For be vertical state when making prefabricated component hoist and mount to the assigned position, this application provides an assembly type structure prefabricated component hoist device.

The application provides a prefabricated component hoist device of assembly type structure adopts following technical scheme:

an assembly type building prefabricated part hoisting device comprises a hoisting plate, hoisting hooks, hoisting ropes, hoisting devices, a horizontal detection assembly and a horizontal adjustment assembly, wherein the hoisting hooks are fixed on the lower side of the hoisting plate, the number of the hoisting devices is two, the hoisting ropes are hung on the hoisting hooks, and two ends of the hoisting ropes are respectively connected with the two hoisting devices in a one-to-one correspondence manner;

the horizontal detection assembly comprises horizontal detection tubes, horizontal detection contacts and trigger balls, two ends of each horizontal detection tube are respectively fixed with the two lifting appliances in a one-to-one correspondence mode, the number of the horizontal detection contacts is two, the horizontal detection contacts are respectively arranged at two ends of each horizontal detection tube, and the trigger balls are connected in the horizontal detection tubes in a rolling mode;

the horizontal adjustment subassembly includes action wheel, driving source and regulation rope, the action wheel rotates to be connected on the hanger plate, the driving source is located and is ordered about the action wheel rotation on the hanger plate, adjust the rope and hang on the action wheel and mutually mesh with the action wheel, the both ends of adjusting the rope are fixed with two hoist one-to-one respectively.

Through adopting above-mentioned technical scheme, when the line slope of two hoists, trigger the bobble cunning and move to the lower one end of horizontal detection pipe and trigger the level of this end and detect the contact, the driving source orders about the action wheel and rotates, and the action wheel orders about the tip of the regulation rope that corresponds with this end and rises for the line level of two hoists, and then be vertical state when making prefabricated component hoist to the assigned position, the going on of the assembly work of being convenient for.

Optionally, the groove bottom of the driving wheel is provided with driving teeth arranged along the circumferential direction, and the adjusting rope is provided with meshing blocks meshed with the driving teeth.

Through adopting above-mentioned technical scheme, drive tooth and meshing piece meshing for when the action wheel ordered about the regulation rope and removed, the regulation rope is difficult for taking place relative slip with the action wheel, has improved the synchronism of regulation rope and action wheel.

Optionally, the horizontal adjustment assembly further comprises a balance wheel rotatably connected to the hanging plate, the balance wheel and the driving wheel are symmetrically arranged on two sides of the lifting hook, and the adjusting rope is suspended on the driving wheel and the balance wheel.

Through adopting above-mentioned technical scheme, when the line of two hoists was horizontal for the force that two hoists were applyed to the both ends of adjusting the rope equals, and then is vertical state when making the prefabricated component lift by crane.

Optionally, the middle part of horizontal detection pipe is equipped with the annular that supplies to trigger the bobble and stop, and when horizontal detection pipe was horizontal setting, trigger the bobble and stop in the annular, when horizontal detection pipe was the slope setting, trigger the bobble and follow the interior roll-off of annular.

Through adopting above-mentioned technical scheme, the kinetic energy that triggers bobble self to carry can be offset to the annular for it is difficult for the one end of direct follow horizontal detection pipe to slide to the other end of horizontal detection pipe under inertial effect to trigger the bobble, has improved the accuracy when horizontal detection subassembly detects the level.

Optionally, the lifting appliance is provided with two thread sleeves, the two ends of the horizontal detection pipe are provided with thread sections, the rotation directions of the thread sections are opposite, and the thread sleeves are in one-to-one correspondence with the two thread sections of the horizontal detection pipe in threaded connection.

By adopting the technical scheme, when the horizontal detection pipe is rotated, the two thread sleeves are controlled to be static relative to the ground, and the length of the two ends of the horizontal detection pipe inserted into the two thread sleeves can be adjusted simultaneously.

Optionally, still including the synchronizing assembly who connects two thread bushings, synchronizing assembly includes bracing piece and synchronizing shaft, the one end of bracing piece is connected with the lateral wall of thread bushing, the other end of bracing piece is located to the synchronizing shaft, the synchronizing shaft with the bracing piece rotates around horizontal detection pipe in step, the synchronizing shaft slides along its axial and bracing piece and is connected.

Through adopting above-mentioned technical scheme, need not with the help of other instruments, can be so that two thread bushings keep synchronous, rotate horizontal detection pipe and can adjust the length that two ends of horizontal detection pipe inserted in two thread bushings simultaneously.

Optionally, the synchronizing assembly further comprises a sliding sleeve, the sliding sleeve is arranged at one end, far away from the threaded sleeve, of the supporting rod, and the two ends of the synchronizing shaft are respectively inserted into the two sliding sleeves and connected with the two sliding sleeves in a sliding mode.

Through adopting above-mentioned technical scheme, need not with the help of other instruments, can make two thread bushings keep in step, make the distance between two thread bushings can insert the length change in two thread bushings along with the both ends of level detection pipe simultaneously.

Optionally, still including ordering about horizontal detection pipe pivoted drive assembly, drive assembly includes driving gear and driven gear, the driving gear cover is located on the synchronizing shaft, the driving gear with the synchronizing shaft rotates in step, driven gear cover locate on the horizontal detection pipe and with driving gear intermeshing, driven gear with horizontal detection pipe rotates in step, the diameter of driving gear is greater than driven gear's diameter, be equipped with on the terminal surface of driving gear and hold the pole, it is eccentric setting with the driving gear to hold the pole.

By adopting the technical scheme, the driving gear and the driven gear form a labor-saving lever, so that the labor is saved when the length of the two ends of the horizontal detection pipe inserted into the threaded sleeve is adjusted; the arrangement of the holding rod facilitates the holding of an operator, so that the driving gear is rotated, and the convenience of adjusting the horizontal detection tube is improved.

Optionally, an elastic member is embedded in the sliding sleeve, and the two elastic members respectively abut against two ends of the synchronizing shaft to drive the synchronizing shaft to be centered.

Through adopting above-mentioned technical scheme, the setting of elastic component for the synchronizing shaft remains the centering all the time, is promptly under the condition that does not have external force to intervene, and driving gear and driven gear mesh all the time.

Optionally, the one end that the synchronizing shaft was kept away from to the cover that slides is equipped with the locking sliding sleeve, the locking sliding sleeve cover is located on the bracing piece and is slided with the bracing piece and be connected, the one end that the locking sliding sleeve is close to the thread bush rotates and is connected with the locking adjusting sleeve, locking adjusting sleeve and bracing piece threaded connection to order about the locking sliding sleeve and be close to or keep away from the thread bush.

Through adopting above-mentioned technical scheme, rotate the driving gear and accomplish the length of adjusting horizontal detection pipe and inserting in the thread bush, rotatory locking adjusting collar orders about the locking sliding sleeve to the direction removal that is close to the thread bush for the tooth top of driving gear and the root of driven gear bite and lock, realized the locking to horizontal detection pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

when the connecting line of the two lifting appliances is inclined, the small ball is triggered to slide to the lower end of the horizontal detection pipe and trigger the horizontal detection contact of the lower end, the driving source drives the driving wheel to rotate, the driving wheel drives the end part of the adjusting rope corresponding to the lower end to ascend, so that the connecting line of the two lifting appliances is horizontal, the prefabricated part is lifted to a specified position and is in a vertical state, and assembly work is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of an assembled building prefabricated part hoisting device according to an embodiment of the application.

Fig. 2 is a bottom view of the horizontal detection tube and spreader in an embodiment of the present application.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a schematic diagram of a partial explosion of the driving source, the hanger plate, the driving wheel and the balance wheel according to the embodiment of the present application.

Fig. 5 is an exploded view of the horizontal detecting tube, the synchronizing shaft, the sliding sleeve and the locking sliding sleeve according to the embodiment of the present application.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Description of reference numerals: 10. a hanger plate; 11. caulking grooves; 20. a hook; 30. a lifting rope; 40. a spreader; 41. a threaded sleeve; 50. a level detection assembly; 51. a horizontal detection tube; 511. a ring groove; 512. a threaded segment; 52. a horizontal detection contact; 53. triggering the small ball; 60. a level adjustment assembly; 61. a driving wheel; 611. a drive tooth; 62. a drive source; 63. adjusting the rope; 631. an engagement block; 64. a balance wheel; 70. a synchronization component; 71. a support bar; 72. a synchronizing shaft; 73. a sliding sleeve; 74. an elastic member; 75. locking the sliding sleeve; 751. a chute; 76. locking the adjusting sleeve; 761. connecting blocks; 762. an embedding block is clamped; 80. a drive assembly; 81. a driving gear; 811. a holding rod; 82. a driven gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses prefabricated component hoist device of assembly type structure. Referring to fig. 1, the prefabricated building element lifting apparatus includes a hanger plate 10, a hook 20, a lifting rope 30, a hanger 40, a level detecting assembly 50, and a level adjusting assembly 60. The hook 20 is fixed to the lower side of the hanger plate 10, and the lifting rope 30 is hung on the hook 20, in this embodiment, the lifting rope 30 is described by taking a steel wire rope as an example. The number of the lifting appliances 40 is two, the two lifting appliances 40 are respectively connected with two ends of the lifting rope 30, the lifting appliances 40 are used for hanging pre-embedded lifting eyes of prefabricated components of the fabricated building, the horizontal detection assembly 50 is used for detecting whether the two lifting appliances 40 are located at the same horizontal height and outputting detection signals, and the horizontal adjustment assembly 60 is used for adjusting the two lifting appliances 40 to be located at the same horizontal height according to the detection signals of the horizontal detection assembly 50.

Referring to fig. 2 and 3, the level detecting assembly 50 includes a level detecting tube 51, a level detecting contact 52, and a trigger ball 53. The two ends of the horizontal detecting tube 51 are respectively fixedly connected to the two spreaders 40, and an insulating material is adhered to the inner side wall of the horizontal detecting tube 51, wherein the insulating material is a plastic film in this embodiment. The number of the horizontal detection contacts 52 is two and the two horizontal detection contacts are respectively arranged at two ends in the horizontal detection tube 51, and the horizontal detection contacts 52 comprise two electrode plates. The trigger ball 53 is made of a conductive material, the diameter of the trigger ball 53 is smaller than the inner diameter of the horizontal detection tube 51, and the trigger ball 53 is located in the horizontal detection tube 51 and can roll in the horizontal detection tube 51. When the horizontal detection tube 51 is horizontal, the trigger small ball 53 stays at the middle part in the horizontal detection tube 51; when the horizontal detection tube 51 inclines, the small trigger ball 53 rolls towards the lower end of the horizontal detection tube 51, and when the small trigger ball 53 rolls to the lower end of the horizontal detection tube 51, the small trigger ball contacts with the two electrode plates at the lower end, and the two electrode plates are conducted to output a signal that the lower end is lower.

In order to ensure that the triggering small ball 53 is not easy to directly slide from one end of the horizontal detection pipe 51 to the other end of the horizontal detection pipe 51 under the action of inertia, the inner side wall of the middle part of the horizontal detection pipe 51 is provided with an annular groove 511, and the annular groove 511 is used for offsetting the kinetic energy carried by the triggering small ball 53, so that the accuracy of horizontal detection of the horizontal detection assembly 50 is improved. When the horizontal detection pipe 51 is horizontal, the small trigger ball 53 stays in the annular groove 511; when the horizontal sensing tube 51 is tilted, the trigger ball 53 rolls out of the ring groove 511 and toward the lower end of the horizontal sensing tube 51.

Referring to fig. 1 and 4, the horizontal adjusting assembly 60 includes a driving pulley 61, a driving source 62, and an adjusting cord 63. The hanging plate 10 is provided with an embedding groove 11, the embedding groove 11 penetrates through two opposite side walls of the hanging plate 10, and the driving wheel 61 is embedded in the embedding groove 11 and is rotatably connected with the hanging plate 10. The driving source 62 is fixed on the hanging plate 10, in this embodiment, the driving source 62 is exemplified by a servo motor, and an output shaft of the servo motor is fixedly connected with the driving wheel 61 to drive the driving wheel 61 to rotate. Adjust rope 63 and hang on action wheel 61, the both ends of adjusting rope 63 are worn out then and are connected with two hoist 40 one-to-one from the both ends of caulking groove 11 respectively, it is fixed with a plurality of engagement block 631 to adjust rope 63, the inslot of action wheel 61 is fixed with a plurality of drive teeth 611, a plurality of drive teeth 611 evenly set up along the circumference of action wheel 61, drive teeth 611 and engagement block 631 intermeshing, in order to drive through action wheel 61 and adjust the motion of rope 63, adjust the level of two hoist 40 line connections.

When the horizontal detection pipe 51 inclines, the small trigger ball 53 slides out of the annular groove 511 and moves to the lower end of the horizontal detection pipe 51, the small trigger ball 53 contacts with the two electrode plates at the end of the horizontal detection pipe 51, the two electrode plates at the end are conducted, and the driving wheel 61 is driven to rotate by the control driving source 62, so that the corresponding adjusting rope 63 at the end rises until the connecting line of the two lifting appliances 40 is horizontal.

When the connecting line of the two lifting appliances 40 is horizontal, in order to enable the forces applied to the two lifting appliances 40 by the two ends of the adjusting rope 63 to be equal, the horizontal adjusting assembly 60 further comprises a balance wheel 64, the balance wheel 64 is embedded in the embedding groove 11, the balance wheel 64 is rotatably connected to the lifting plate 10, the structure of the balance wheel 64 is consistent with that of the driving wheel 61, the driving wheel 61 and the balance wheel 64 are symmetrically arranged on the two sides of the lifting hook 20, and the adjusting rope 63 is suspended on the driving wheel 61 and the balance wheel 64.

Referring to fig. 5, threaded sleeves 41 are fixed on the two lifting appliances 40, internal threads are processed on the threaded sleeves 41, threaded sections 512 are arranged at two ends of the horizontal detection pipe 51, external threads are processed on the threaded sections 512, the thread turning directions of the two threaded sections 512 are opposite, and the two threaded sleeves 41 are in one-to-one corresponding threaded connection with two ends of the horizontal detection pipe 51 through the internal threads and the external threads.

In order to adjust the length of the horizontal detection pipe 51 inserted into the threaded sleeve 41, the lifting device further comprises a synchronization assembly 70 for connecting the two threaded sleeves 41, and the synchronization assembly 70 comprises a support rod 71 and a synchronization shaft 72. The support rods 71 are fixed on the outer side walls of the threaded sleeves 41 in a one-to-one correspondence manner, the support rods 71 are arranged in a cylindrical manner, and the axes of the support rods 71 are perpendicular to the axes of the threaded sleeves 41. Two ends of the synchronous shaft 72 are connected with the support rod 71, so that the two threaded sleeves 41 rotate synchronously, and when the length of the horizontal detection pipe 51 inserted into the threaded sleeves 41 is adjusted, the horizontal detection pipe 51 is directly controlled to rotate relative to the threaded sleeves 41. Specifically, one end of the support rod 71, which is far away from the threaded sleeve 41, is provided with a sliding sleeve 73, two ends of the synchronizing shaft 72 are respectively inserted into the two sliding sleeves 73, and the synchronizing shaft 72 and the sliding sleeves 73 are connected in a sliding manner along the direction of the synchronizing shaft 72. The sliding sleeve 73 may be fixedly connected to the supporting rod 71, or may be slidably connected to the supporting rod 71, and in this embodiment, the sliding sleeve 73 is described as being slidably connected to the supporting rod 71.

In order to facilitate the rotation of the level detecting tube 51, the lifting device further comprises a driving assembly 80, and the driving assembly 80 comprises a driving gear 81 and a driven gear 82. The driving gear 81 is sleeved on the synchronizing shaft 72, and the driving gear 81 is fixedly connected with the synchronizing shaft 72 and concentrically arranged. Driven gear 82 overlaps and locates on horizontal detection pipe 51, and driven gear 82 just is concentric setting with horizontal detection pipe 51 fixed connection, driving gear 81 and driven gear 82 intermeshing, and the diameter of driving gear 81 is greater than driven gear 82's diameter to form laborsaving lever, conveniently order about horizontal detection pipe 51 and rotate.

In order to facilitate driving the driving gear 81 to rotate, a holding rod 811 is arranged on the end surface of the driving gear 81, the axes of the holding rod 811 and the driving gear 81 are parallel to each other, the holding rod 811 and the driving gear 81 are eccentrically arranged, and the holding rod 811 is arranged at the gear teeth of the driving gear 81 close to the driving gear 81 so as to facilitate grabbing the holding rod 811 and drive the driving gear 81 to rotate.

The sliding sleeve 73 is embedded with an elastic member 74, in the embodiment, the elastic member 74 is described by taking a compression spring as an example, the two compression springs are respectively abutted to two ends of the synchronizing shaft 72, and the two compression springs are always in a compressed state, so that the synchronizing shaft 72 is always centered when the length of the horizontal detection pipe 51 inserted into the threaded sleeve 41 is adjusted.

Referring to fig. 5 and 6, a locking sliding sleeve 75 is fixed at one end of the sliding sleeve 73 away from the synchronizing shaft 72, an axis of the locking sliding sleeve 75 is perpendicular to an axis of the sliding sleeve 73, the supporting rod 71 is sleeved with the locking sliding sleeve 75, and the locking sliding sleeve 75 is connected with the supporting rod 71 in a sliding manner. A locking adjusting sleeve 76 is rotatably connected to the locking sliding sleeve 75, the locking adjusting sleeve 76 is located at one end of the locking sliding sleeve 75 close to the supporting rod 71, and the locking adjusting sleeve 76 is screwed on the supporting rod 71 to drive the sliding sleeve 73 to approach or separate from the horizontal detecting tube 51.

The locking adjustment sleeve 76 is rotatably connected to the locking slide 75. Specifically, at least two connecting blocks 761 are fixed at one end of the locking adjusting sleeve 76 close to the locking sliding sleeve 75, the at least two connecting blocks 761 are uniformly arranged along the circumferential direction of the locking adjusting sleeve 76, a clamping and embedding block 762 is fixed at one end of the connecting block 761 far away from the locking adjusting sleeve 76, a sliding groove 751 is formed in the outer side wall of the locking sliding sleeve 75, the sliding groove 751 is embedded in the clamping and embedding block 762 and rotates around the axis of the locking sliding sleeve 75, so that the locking adjusting sleeve 76 is rotatably connected to the locking sliding sleeve 75, and the locking sliding sleeve 75 is not easy to slide relative to the locking adjusting sleeve 76 along the axial direction.

After the rotation of the driving gear 81 completes the adjustment of the length of the horizontal detecting tube 51 inserted into the threaded sleeve 41, the rotation of the locking adjustment sleeve 76 drives the locking sliding sleeve 75 to move toward the threaded sleeve 41, so that the tooth tips of the driving gear 81 and the tooth roots of the driven gear 82 are locked by seizure, and the horizontal detecting tube 51 is locked.

The implementation principle of the prefabricated part hoisting device for the fabricated building in the embodiment of the application is as follows: whether the connecting line of the two lifting appliances 40 is horizontal or not is detected by matching the trigger small ball 53 with the horizontal detection contact 52, namely whether the prefabricated part is horizontal or not, the driving source 62 is controlled to work according to the detection result of the horizontal detection assembly 50, the driving source 62 drives the driving wheel 61 to rotate, and the driving wheel 61 drives the two ends of the adjusting rope 63 to lift and adjust the prefabricated part to be horizontal. When the distance between two hoists 40 is adjusted according to the size of the prefabricated part, the grabbing holding rod 811 drives the driving gear 81 to rotate, the driving gear 81 drives the driven gear 82 to rotate so as to drive the horizontal detection tube 51 to rotate, the length of the two ends of the horizontal detection tube 51 inserted into the threaded sleeve 41 is synchronously adjusted, and the convenience of adjusting the distance between the hoists 40 is improved. After the distance adjustment of the spreader 40 is completed, the locking adjustment sleeve 76 is rotated to drive the locking sliding sleeve 75 to move toward the threaded sleeve 41, so that the tooth tips of the driving gear 81 and the tooth roots of the driven gear 82 are locked by seizure, and the horizontal detection pipe 51 is locked.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.