CN117902455A - Lifting equipment for assembly type building construction - Google Patents

Abstract

The invention relates to the technical field of hanging devices for cranes, and discloses a hanging device for assembly type building construction, which comprises a top plate, wherein hanging rings are arranged on two sides of the top plate, a fixed block is arranged at the bottom of the top plate, sliding grooves are arranged on two sides of the bottom of the fixed block, and clamping blocks are connected in a sliding manner in the sliding grooves; the clamping block penetrates through the through hole, and can transversely move in the through hole; the bottom plate is provided with a groove, the lifting block is connected in the groove in a sliding manner, auxiliary holes are formed in two sides of the top of the lifting block, the auxiliary holes are communicated with the through holes, the clamping block penetrates through the auxiliary holes, the clamping block can transversely move in the auxiliary holes, and the clamping block can vertically move relative to the lifting block in the auxiliary holes; the lifting block is vertically moved along with the change of the spacing between the two clamping blocks. The problem of current lifting device to prefabricated component's locate mode complex operation has mainly been solved to this scheme.

Description

Lifting equipment for assembly type building construction

Technical Field

The invention relates to the technical field of hanging devices for cranes, in particular to a hanging device for assembly type building construction.

Background

The prefabricated member is assembled on a construction site to form a building, namely an assembled building, and is divided into five types of block building, plate building, box type building, skeleton plate building, lifting plate and lifting layer building according to the form and construction method of the prefabricated member, most of the existing prefabricated member lifting devices are fixed in length and size, the lifting range is limited, and the prefabricated member is easy to slide in the lifting process, so that potential safety hazards are increased.

In order to solve the problems, china patent with the publication number of CN216360352U discloses prefabricated part lifting equipment for an assembled building, which comprises a top plate, wherein a sliding groove and a rotating groove are formed in the top plate, a sliding rod is fixedly connected to the inside of the sliding groove, a driving screw is rotatably connected to the inside of the rotating groove, a carrying plate is arranged right below the top plate, three connecting rods are fixedly connected to the top of the carrying plate, two connecting rods are respectively and slidably connected to the two sliding rods, one connecting rod is in threaded connection with the driving screw, and a pressing plate mechanism is arranged at the bottom of the top plate; this patent makes the connecting rod control the removal through rotating drive screw to the distance between two year thing boards is controlled to the length gear of root in prefab, has increased the scope of hoist and mount size, and through setting up clamp plate mechanism, presss from both sides tightly fixedly to placing the prefab between two year thing boards, thereby prevents that the prefab from rocking at hoist and mount in-process, has reduced the potential safety hazard.

In the actual use process of the patent, the horizontal positions of the two carrying plates are respectively adjusted through the two driving screws, the height position of the pressing plate is adjusted through the two-way screws, and then the fixing of the prefabricated part is realized through the two carrying plates and the pressing plate, but the operation steps of the patent are more, so that the operation is complicated; and before the prefabricated part is placed on the two carrying plates, the distance between the two carrying plates is determined according to the size of the prefabricated part, and then the stroke of the carrying plates which need to move is determined, so that the operation is complicated.

Disclosure of Invention

The invention aims to provide hoisting equipment for assembly type building construction, which solves the problem that the existing hoisting equipment is complex in operation on the positioning mode of prefabricated parts.

In order to achieve the above purpose, the invention adopts the following technical scheme: the lifting device for the assembled building construction comprises a top plate, wherein lifting rings are arranged on two sides of the top plate, a fixed block is arranged at the bottom of the top plate, sliding grooves are formed on two sides of the bottom of the fixed block, and clamping blocks are connected in the sliding grooves in a sliding mode; the clamping block penetrates through the through hole, and can transversely move in the through hole; the bottom plate is provided with a groove, the inside of the groove is vertically and slidably connected with a lifting block, auxiliary holes are vertically formed in two sides of the top of the lifting block, the auxiliary holes are communicated with the through holes, the clamping block penetrates through the auxiliary holes, the clamping block can transversely move in the auxiliary holes, and the clamping block can vertically move relative to the lifting block in the auxiliary holes; the lifting block is vertically moved along with the change of the spacing between the two clamping blocks.

The principle and the advantages of the scheme are as follows:

1. The scheme is that the prefabricated part is placed on the lifting block, so that the prefabricated part is positioned between the two clamping blocks; the distance between the two clamping blocks is adjusted through the adjusting mechanism, so that the two sides of the prefabricated parts are propped against each other, the prefabricated parts are clamped, namely, the prefabricated parts are positioned, compared with the prior art, the operation flow is simplified, the prefabricated parts are positioned by replacing manual work through machinery, the operation is more convenient, and the labor intensity of workers is also reduced.

2. According to the scheme, during the period that the two clamping blocks are close to each other, the lifting block can be driven to move upwards through the linkage mechanism, so that the prefabricated part is pressed on the bottom of the fixed block by the lifting block, the positioning effect on the prefabricated part is enhanced, and the positioning stability of the prefabricated part is improved.

3. This scheme is to the prefabricated component when fixing a position, can follow the horizontal direction of prefabricated component, two directions of vertical direction fix a position the prefabricated component to this location effect to the prefabricated component is better, and can also avoid the prefabricated component to take place to rock, guarantees that the prefabricated component can not appear dropping in the handling process.

Further, the adjusting mechanism comprises a bidirectional screw rod rotationally connected with the fixed block, a cavity formed in the fixed block and a power part used for driving the bidirectional screw rod to rotate, the bidirectional screw rod penetrates through the cavity, the cavity is communicated with the chute, and the two clamping blocks are respectively in threaded connection with two ends of the bidirectional screw rod.

Through the arrangement, the power part drives the bidirectional screw rod to rotate, so that the two clamping blocks are close to each other, and are respectively propped against the two sides of the prefabricated part, so that the two clamping blocks are positioned, namely the prefabricated part is clamped through the two clamping blocks.

Further, the linkage mechanism comprises side blocks positioned at two sides of the fixed block, transverse grooves formed in two sides of the bottom of the top plate, and vertical holes formed in two sides of the top of the bottom plate, one end of each side block is in transverse sliding connection with the corresponding transverse groove, the other end of each side block is provided with a guide groove, the guide grooves are vertically and slidably connected with guide blocks, the guide blocks extend into the vertical holes, the guide blocks can transversely and vertically move in the vertical holes, and telescopic blocks are arranged between the guide blocks and the lifting blocks; a linkage block is arranged between the side block and the clamping block; the transverse grooves are internally provided with inclined grooves, the distance between the two inclined grooves is gradually increased from top to bottom, the inclined grooves are internally connected with auxiliary blocks in a sliding manner, and the auxiliary blocks are fixedly connected with the side walls of the guide blocks.

Through the arrangement, during the approaching period of the two clamping blocks, the clamping blocks drive the side blocks to synchronously move through the linkage blocks, namely, the two side blocks are also approaching; during the movement of the side blocks, the side blocks drive the guide blocks to synchronously move transversely, so that the guide blocks drive the side blocks to transversely move along the paths of the transverse grooves; during the lateral movement of the guide block, the auxiliary block moves along the direction of the inclined grooves, and the distance between the two inclined grooves is gradually increased from top to bottom, so that the guide block also moves upwards along the path of the guide groove.

During the transverse movement of the guide block, the distance between the guide block and the lifting block is reduced, and the telescopic block is contracted; during the upward movement of the guide block, the guide block drives the lifting block to move upward through the telescopic block, so that the lifting block drives the prefabricated part to synchronously move upward; the lifting block continues to move, when two clamping blocks clamp the prefabricated part, the clamping block clamps to position, the clamping block positions the side block through the linkage block, and then positions the guide block, namely positions the lifting block, and the lifting block compresses the prefabricated part on the bottom of the fixed block at the moment, so that the positioning effect on the prefabricated part is enhanced, and the positioning stability of the prefabricated part is improved.

Further, still include movable block and to the spacing stop gear of movable block, the movable block is located the below of bottom plate, and the top both sides of movable block all are equipped with the roof groove, and the one end that the guide block kept away from the guide slot passes vertical hole and roof groove transverse sliding connection.

By the arrangement, during the transverse movement of the guide block, the guide block moves along the path of the top groove; during the upward movement of the guide block, the guide block drives the movable block to move upward synchronously, when the two clamping blocks clamp the prefabricated part, the clamping blocks clamp and position, the clamping blocks position the side blocks through the linkage blocks, and then position the guide block, namely the movable block, and the lifting block tightly presses the prefabricated part at the bottom of the fixed block.

This scheme also can carry out spacingly to the movable block through stop gear, and then strengthens the positioning effect to movable block, guide block, and the guide block passes through the telescopic block to strengthen the positioning effect to the lifter, just also strengthens the positioning effect that the lifter compressed tightly to prefabricated component, and then improves the stability to prefabricated component location.

Further, the limiting mechanism comprises a double-wedge surface block fixedly connected to the top of the movable block and a side groove formed in the side wall of the clamping block, and limiting grooves are formed in two sides of the double-wedge surface block; the side blocks are in sliding connection with wedges which are extruded by the double wedge blocks, springs are arranged between the wedges and the side grooves, the wedges are in sliding fit with the limit grooves, and the wedges are positioned below the bottom plate; the wedge block driving mechanism further comprises a driving mechanism, wherein the driving mechanism comprises two driving parts for driving the wedge block to be accommodated in the side groove.

Through the arrangement, during the upward movement of the guide block, the guide block can also drive the movable block to move upwards, and the movable block drives the double-wedge surface block to synchronously move upwards, so that the double-wedge surface block simultaneously extrudes the wedge blocks at two sides to be far away, namely, the wedge blocks at one side move into the side grooves, and the springs are compressed; the double wedge blocks continue to move upwards, so that the two wedge blocks respectively prop against the two sides of the double wedge blocks; the double wedge face blocks continue to move upwards again, when the clamping blocks are positioned, the clamping blocks position the side blocks through the linkage blocks, and then position the guide blocks, namely, the movable blocks and the double wedge face blocks are positioned, at the moment, the wedge blocks are transversely opposite to the limiting grooves, and the wedge blocks slide into the limiting grooves under the action of the springs, so that the double wedge face blocks and the movable blocks can be limited, and the positioning effect on the movable blocks is enhanced.

Before the double-wedge surface block and the movable block move downwards, the wedge block is driven by the driving part to be retracted into the side groove, so that the limiting effect on the double-wedge surface block is relieved, and the double-wedge surface block and the movable block can move downwards.

Further, the driving part comprises an inner chamber arranged in the clamping block and a connecting block fixedly connected to the side wall of the wedge block, the inner chamber is communicated with the side groove, and the connecting block can move in the inner chamber; the side wall of the inner chamber is provided with an air cylinder, an output shaft of the air cylinder is provided with a pushing block capable of moving in the inner chamber, and the connecting block is positioned on the movement track of the pushing block.

Through the arrangement, before the double-wedge surface block and the movable block are required to move downwards, the output shaft of the air cylinder drives the push block to move towards the direction of connecting the two blocks, so that the push block pushes the wedge block to be retracted into the side groove through the connecting block, the spring is compressed, the limiting effect on the double-wedge surface block is relieved, and the double-wedge surface block and the movable block can move downwards.

Further, the two sides of the bottom plate are rotatably connected with rotating shafts, the rotating shafts are positioned between the clamping blocks and the guide blocks, the rotating shafts are provided with arc-shaped blocks, and the thickness of each arc-shaped block is gradually reduced from one end of each arc-shaped block, which is close to the rotating shaft, to the free end of each arc-shaped block; the bottom of the movable block is provided with an arc-shaped surface, the arc-shaped surface is positioned on the motion track of the arc-shaped block, and the arc-shaped block can be propped against the arc-shaped surface; the movable part drives the rotating shaft to rotate along with the vertical movement of the movable block.

Through the arrangement, during the upward movement of the movable block, the movable part drives the rotating shaft to rotate, the rotating shaft drives the arc-shaped block to rotate, when the clamping block is positioned, the clamping block positions the side block through the linkage block, and then positions the guide block, namely positions the movable block, and at the moment, the arc-shaped block is propped against the arc-shaped surface at the bottom of the movable block, so that the movable block can be supported, and the positioning stability of the movable block is improved, namely the movable block can improve the compacting stability of the prefabricated part by the lifting block through the guide block and the telescopic block; and through the support to the movable block, can alleviate the guide block and to the decurrent effort of auxiliary block, this effort is mainly the dead weight of movable block, double wedge face piece to this junction fracture of guide block and auxiliary block can be avoided, and then the life of both is prolonged, even make equipment can use for a longer time.

The thickness of the arc-shaped block is gradually reduced from one end, close to the rotating shaft, of the arc-shaped block to the free end of the arc-shaped block, so that on one hand, the arc-shaped block can be guaranteed to smoothly rotate below an arc-shaped surface, and on the other hand, the arc-shaped block can be guaranteed to be propped against the arc-shaped surface.

Further, the movable part comprises racks fixedly connected to two sides of the top of the movable block and gears coaxially connected with the rotating shaft, and the racks are meshed with the gears.

Through the arrangement, during the upward movement of the movable block, the movable block can drive the rack to move upward, the rack is meshed with the gear to drive the rotating shaft to rotate, and the rotating shaft drives the arc-shaped block to rotate.

Drawings

FIG. 1 is a front view of an embodiment of a lifting device for use in fabricated building construction in accordance with the present invention;

FIG. 2 is a partial cross-sectional view of the front view of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of the right side shaft, arcuate blocks and bottom plate, movable blocks, and protective case of FIG. 2 in a right view;

Fig. 5 is a partial cross-sectional view of the right grip block of fig. 2 in a top view.

Detailed Description

The following is a further detailed description of the embodiments:

Reference numerals in the drawings of the specification include: roof 10, rings 11, fixed block 12, chute 13, clamping block 14, bi-directional screw 15, chamber 16, motor 17, bottom plate 20, through hole 21, groove 22, lifting block 23, auxiliary hole 24, side block 30, lateral slot 31, vertical hole 32, guide slot 33, guide block 34, telescopic block 35, linkage block 36, inclined slot 37, movable block 40, top slot 41, double wedge block 42, side slot 43, limit slot 44, wedge 45, spring 46, inner chamber 50, connecting block 51, cylinder 52, push block 53, spindle 60, arc block 61, arc surface 62, rack 63, gear 64, support seat 70, protection box 80.

Examples

Substantially as shown in fig. 1,2, 3, 4 and 5: the utility model provides a lifting device for assembly type building construction, includes roof 10, and the top both sides of roof 10 all rigid coupling has rings 11, accomplishes the location back to prefabricated component, through penetrating the lifting hook to rings 11's inside, starts the hoist and rises equipment wholly. The bottom of the top plate 10 is fixedly connected with a fixed block 12, both sides of the bottom of the fixed block 12 are provided with sliding grooves 13, and the sliding grooves 13 are connected with clamping blocks 14 in a sliding manner; the clamping block 14 penetrates through the through hole 21, and the clamping block 14 can transversely move in the through hole 21. A groove 22 is vertically formed in the bottom plate 20, the groove 22 is communicated with the through hole 21, a lifting block 23 is vertically connected in the groove 22 in a sliding manner, and the lifting block 23 can drive the prefabricated part to prop against the bottom of the fixed block 12 so as to compress the prefabricated part; auxiliary holes 24 are vertically formed in two sides of the top of the lifting block 23, the auxiliary holes 24 are communicated with the through holes 21, the clamping blocks 14 penetrate through the auxiliary holes 24, the clamping blocks 14 can move transversely in the auxiliary holes 24, and the clamping blocks 14 can move vertically relative to the lifting block 23 in the auxiliary holes 24.

The device also comprises an adjusting mechanism for adjusting the distance between the two clamping blocks 14, wherein the adjusting mechanism comprises a bidirectional screw rod 15 rotationally connected with the fixed block 12, a cavity 16 arranged in the fixed block 12 and a power part for driving the bidirectional screw rod 15 to rotate, the bidirectional screw rod 15 passes through the cavity 16, the cavity 16 is communicated with the chute 13, and the two clamping blocks 14 are respectively in threaded connection with two ends of the bidirectional screw rod 15; in this embodiment, the power part is a motor 17, the motor 17 is a servo motor 17, the motor 17 is fixedly connected to the bottom of the top plate 10, and an output shaft of the motor 17 is coaxially connected with the bidirectional screw 15.

The vertical lifting device further comprises a linkage mechanism which drives the lifting block 23 to vertically move along with the change of the distance between the two clamping blocks 14, wherein the linkage mechanism comprises side blocks 30 positioned at two sides of the fixed block 12, transverse grooves 31 formed in two sides of the bottom of the top plate 10, and vertical holes 32 formed in two sides of the top of the bottom plate 20, the distance between the two transverse grooves 31 is larger than the length of the fixed block 12, the upper ends of the side blocks 30 are transversely and slidably connected with the transverse grooves 31, guide grooves 33 are formed in the lower ends of the side blocks 30, guide blocks 34 are vertically and slidably connected in the guide grooves 33, the guide blocks 34 extend into the vertical holes 32, the guide blocks 34 can transversely and vertically move in the vertical holes 32, telescopic blocks 35 are fixedly connected between the guide blocks 34 and the lifting block 23, and in the embodiment, the telescopic blocks 35 comprise an outer cylinder and an inner rod which is slidably connected with the outer cylinder and fixedly connected with the guide blocks 34. A linkage block 36 is fixedly connected between the side block 30 and the clamping block 14; the transverse groove 31 is internally provided with an inclined groove 37, the distance between the two inclined grooves 37 is gradually increased from top to bottom, an auxiliary block is connected in a sliding manner in the inclined groove 37, and the auxiliary block is fixedly connected with the side wall of the guide block 34.

The movable block 40 is positioned below the bottom plate 20, top grooves 41 are formed in two sides of the top of the movable block 40, and one end, away from the guide groove 33, of the guide block 34 passes through the vertical hole 32 and is in transverse sliding connection with the top groove 41; the limiting mechanism comprises a double-wedge surface block 42 fixedly connected to the top of the movable block 40 and a side groove 43 formed in the side wall of the clamping block 14, the double-wedge surface block 42 is positioned between the two clamping blocks 14, and limiting grooves 44 are formed in two sides of the double-wedge surface block 42; a wedge 45 which is used for being extruded by the double wedge surface block 42 is connected in a sliding way in the side block 30, a spring 46 is fixedly connected between the wedge 45 and the side groove 43, the wedge 45 is in sliding fit with the limit groove 44, the wedge 45 is positioned on the movement track of the limit groove 44, and the wedge 45 is positioned below the bottom plate 20; the device also comprises a driving mechanism, wherein the driving mechanism comprises two driving parts for driving the wedge 45 to be retracted into the side groove 43, the driving parts comprise an inner chamber 50 arranged in the clamping block 14 and a connecting block 51 fixedly connected to the side wall of the wedge 45, the inner chamber 50 is communicated with the side groove 43, and the connecting block 51 can move in the inner chamber 50; the side wall of the inner chamber 50 is fixedly connected with an air cylinder 52, the output shaft of the air cylinder 52 is fixedly connected with a push block 53 which can move in the inner chamber 50, the push block 53 can move in the inner chamber 50, and the connecting block 51 is positioned on the movement track of the push block 53.

The two sides of the bottom plate 20 are rotatably connected with a rotating shaft 60, the rotating shaft 60 is positioned between the clamping block 14 and the guide block 34, the rotating shaft 60 is fixedly connected with an arc-shaped block 61, and the thickness of the arc-shaped block 61 is gradually reduced from one end of the arc-shaped block 61, which is close to the rotating shaft 60, to the free end of the arc-shaped block 61; the bottom of the movable block 40 is provided with an arc surface 62, the arc surface 62 is positioned on the motion track of the arc block 61, and the arc block 61 can be propped against the arc surface 62; the movable part drives the rotating shaft 60 to rotate along with the vertical movement of the movable block 40, and the movable part comprises racks 63 fixedly connected to two sides of the top of the movable block 40 and gears 64 coaxially connected with the rotating shaft 60, wherein the racks 63 are meshed with the gears 64.

The two sides of the bottom plate 20 are fixedly connected with supporting seats 70, and the distance between the two supporting seats 70 is larger than the distance between the two guide blocks 34; the bottom of the movable block 40 is higher than the bottom of the support base 70. The bottom of the base is fixedly connected with a protection box 80 with an open top, and the movable block 40, the arc-shaped block 61 and the guide block 34 are all positioned in the protection box 80, and the arc-shaped block 61 can rotate in the protection box 80, namely, can protect the protection box through the protection box 80.

The specific implementation process is as follows:

In use, the preform is placed on the lifting block 23 such that the preform is located between the two clamping blocks 14; the motor 17 is started, and the output shaft of the motor 17 drives the vertical screw rod to rotate, so that the two clamping blocks 14 are close to each other, namely, the two clamping blocks 14 move towards the direction of the prefabricated part, and when the two clamping blocks 14 respectively abut against two sides of the prefabricated part, the motor 17 is turned off, so that the two clamping blocks 14 are positioned, namely, the prefabricated part is clamped through the two clamping blocks 14, and the prefabricated part is positioned.

During the approach of the two clamping blocks 14, the clamping blocks 14 drive the side blocks 30 to synchronously move through the linkage blocks 36, namely the two side blocks 30 are also close; during the movement of the side block 30, the side block 30 drives the guide block 34 to synchronously move transversely, so that the guide block 34 moves transversely along the path of the top groove 41, and the guide block 34 drives the side block 30 to move transversely along the path of the transverse groove 31; during the lateral movement of the guide block 34, since the auxiliary block moves in the direction of the inclined grooves 37 and the interval between the two inclined grooves 37 is gradually increased from top to bottom, the guide block 34 also moves upward along the path of the guide groove 33.

During the transverse movement of the guide block 34, the distance between the guide block 34 and the lifting block 23 is reduced, and the telescopic block 35 is contracted; during the upward movement of the guide block 34, the guide block 34 drives the lifting block 23 to move upward through the telescopic block 35, so that the clamping block 14 and the lifting block 23 vertically move relatively in the auxiliary hole 24; during the upward movement of the lifting block 23, the lifting block 23 drives the prefabricated part to synchronously move upward, when the clamping block 14 is positioned, the clamping block 14 positions the side block 30 through the linkage block 36, and then positions the guide block 34, namely positions the lifting block 23, and at the moment, the lifting block 23 compresses the prefabricated part on the bottom of the fixed block 12, so that the positioning effect on the prefabricated part is enhanced, and the positioning stability of the prefabricated part is improved.

During the upward movement of the guide block 34, the guide block 34 also drives the movable block 40 to move upward, and the movable block 40 drives the double-wedge surface block 42 to synchronously move upward, so that the double-wedge surface block 42 simultaneously extrudes the wedge blocks 45 at two sides to be far away, namely, the wedge blocks 45 at one side move into the side grooves 43, and the springs 46 are compressed; the double wedge surface block 42 continues to move upwards, so that the two wedges 45 respectively abut against the two sides of the double wedge surface block 42; the double wedge surface block 42 continues to move upwards again, when the clamping block 14 is positioned, the clamping block 14 positions the side block 30 through the linkage block 36, and then positions the guide block 34, namely positions the movable block 40 and the double wedge surface block 42, at the moment, the wedge 45 is transversely opposite to the limiting groove 44, and the wedge 45 slides into the limiting groove 44 under the action of the spring 46, so that the limiting of the double wedge surface block 42 and the movable block 40 can be realized, the positioning effect of the movable block 40 and the guide block 34 is further enhanced, namely the positioning effect of the guide block 34 on the lifting block 23 is enhanced through the telescopic block 35, and the positioning effect of the lifting block 23 on the prefabricated part is further enhanced, and the positioning stability of the prefabricated part is further improved.

During the upward movement of the movable block 40, the movable block 40 drives the rack 63 to move upwards, the rack 63 is meshed with the gear 64 to drive the rotating shaft 60 to rotate, the rotating shaft 60 drives the arc-shaped block 61 to rotate, when the clamping block 14 is positioned, the clamping block 14 positions the side block 30 through the linkage block 36 so as to position the guide block 34, namely the movable block 40, and at the moment, the arc-shaped block 61 is propped against the arc-shaped surface 62 at the bottom of the movable block 40, so that the movable block 40 can be supported, and the positioning stability of the movable block 40 is improved, namely the compression stability of the lifting block 23 to a prefabricated part can be improved through the guide block 34 and the telescopic block 35; and, through the support to movable block 40, can alleviate the downward effort of guide block 34 to the auxiliary block, this effort is mainly the dead weight of movable block 40, double wedge face piece 42 to this junction fracture of guide block 34 and auxiliary block can be avoided, and then life between them is prolonged, even make equipment can use for a longer time.

The foregoing is merely exemplary of the present application, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, and these should also be regarded as the protection scope of the present application, which does not affect the effect of the implementation of the present application and the practical applicability of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (8)

1. The utility model provides an assembled lifting device for construction, includes the roof, and the top both sides of roof all are equipped with rings, its characterized in that: the bottom of the top plate is provided with a fixed block, both sides of the bottom of the fixed block are provided with sliding grooves, and the sliding grooves are connected with clamping blocks in a sliding manner; the clamping block penetrates through the through hole, and can transversely move in the through hole; the bottom plate is provided with a groove, the inside of the groove is vertically and slidably connected with a lifting block, auxiliary holes are vertically formed in two sides of the top of the lifting block, the auxiliary holes are communicated with the through holes, the clamping block penetrates through the auxiliary holes, the clamping block can transversely move in the auxiliary holes, and the clamping block can vertically move relative to the lifting block in the auxiliary holes; the lifting block is vertically moved along with the change of the spacing between the two clamping blocks.

2. The hoisting device for fabricated building construction according to claim 1, wherein: the adjusting mechanism comprises a bidirectional screw rod rotationally connected with the fixed block, a cavity formed in the fixed block and a power part used for driving the bidirectional screw rod to rotate, the bidirectional screw rod penetrates through the cavity, the cavity is communicated with the chute, and the two clamping blocks are respectively in threaded connection with two ends of the bidirectional screw rod.

3. The hoisting device for fabricated building construction according to claim 2, wherein: the linkage mechanism comprises side blocks positioned at two sides of the fixed block, transverse grooves formed in two sides of the bottom of the top plate, and vertical holes formed in two sides of the top of the bottom plate, one end of each side block is transversely and slidably connected with the corresponding transverse groove, the other end of each side block is provided with a guide groove, the guide grooves are vertically and slidably connected with guide blocks, the guide blocks extend into the vertical holes, and the guide blocks can transversely and vertically move in the vertical holes, and telescopic blocks are arranged between the guide blocks and the lifting blocks; a linkage block is arranged between the side block and the clamping block; the transverse grooves are internally provided with inclined grooves, the distance between the two inclined grooves is gradually increased from top to bottom, the inclined grooves are internally connected with auxiliary blocks in a sliding manner, and the auxiliary blocks are fixedly connected with the side walls of the guide blocks.

4. A lifting device for use in fabricated building construction according to claim 3, wherein: still include movable block and to the spacing stop gear of movable block, the movable block is located the below of bottom plate, and the top both sides of movable block all are equipped with the roof groove, and the one end that the guide block kept away from the guide slot passes vertical hole and roof groove transverse sliding connection.

5. The hoisting device for fabricated building construction according to claim 4, wherein: the limiting mechanism comprises a double-wedge surface block fixedly connected to the top of the movable block and a side groove formed in the side wall of the clamping block, and limiting grooves are formed in two sides of the double-wedge surface block; the side blocks are in sliding connection with wedges which are extruded by the double wedge blocks, springs are arranged between the wedges and the side grooves, the wedges are in sliding fit with the limit grooves, and the wedges are positioned below the bottom plate; the wedge block driving mechanism further comprises a driving mechanism, wherein the driving mechanism comprises two driving parts for driving the wedge block to be accommodated in the side groove.

6. The hoisting device for fabricated building construction according to claim 5, wherein: the driving part comprises an inner chamber arranged in the clamping block and a connecting block fixedly connected to the side wall of the wedge block, the inner chamber is communicated with the side groove, and the connecting block can move in the inner chamber; the side wall of the inner chamber is provided with an air cylinder, an output shaft of the air cylinder is provided with a pushing block capable of moving in the inner chamber, and the connecting block is positioned on the movement track of the pushing block.

7. The hoisting device for fabricated building construction according to claim 6, wherein: the two sides of the bottom plate are respectively and rotatably connected with a rotating shaft, the rotating shafts are positioned between the clamping blocks and the guide blocks, the rotating shafts are provided with arc-shaped blocks, and the thickness of each arc-shaped block is gradually reduced from one end of each arc-shaped block, which is close to the rotating shaft, to the free end of each arc-shaped block; the bottom of the movable block is provided with an arc-shaped surface, the arc-shaped surface is positioned on the motion track of the arc-shaped block, and the arc-shaped block can be propped against the arc-shaped surface; the movable part drives the rotating shaft to rotate along with the vertical movement of the movable block.

8. The hoisting device for fabricated building construction according to claim 7, wherein: the movable part comprises racks fixedly connected to two sides of the top of the movable block and gears coaxially connected with the rotating shaft, and the racks are meshed with the gears.