CN111824929A - Precast panel hoisting device for building - Google Patents

Abstract

The invention provides a hoisting device for a prefabricated plate for a building, wherein the hoisting device for the prefabricated plate for the building comprises a tower crane hook, a hoisting beam, an upper connecting rope, a lower connecting rope and a hoisting assembly; the hoisting beam is suspended below the lifting hook of the tower crane; the upper end of the upper connecting rope is connected to the tower crane lifting hook, and the lower end of the upper connecting rope is connected to the hoisting beam; the upper end of the lower connecting rope is connected to the hoisting beam; the hoisting assembly comprises a connecting piece and a clamping piece, the connecting piece is fixed at the lower end of the lower connecting rope, and the clamping piece is detachably connected and installed at the lower end of the connecting piece and used for clamping the precast slab. The technical scheme provided by the invention has the beneficial effects that: make prefabricated plate demountable installation in the holder, avoid setting up the built-in fitting on the prefabricated plate, can reduce the damage to the prefabricated plate, strengthen the tightness of prefabricated plate, can strengthen the stability that the prefabricated plate was fixed when the transport, improve the security.

Description

Precast panel hoisting device for building

technical field

The invention relates to the technical field of construction material handling equipment, in particular to a prefabricated board hoisting device for construction.

Background technique

In the prefabricated panel production enterprises, in order to store and transport the prefabricated panels, it is necessary to move the prefabricated panels. Since the material is made of cement and the weight is large, a special hoisting structure is required. The traditional hoisting structure is to punch holes in the prefabricated plate, and then use the steel wire rope to pass through the holes and then hoist. This hoisting method is troublesome and the safety is not high. At present, the way to improve it is to leave blind holes when pouring prefabricated panels, and then use expansion screws to place them in the blind holes, or pre-tighten the pre-tightening hooks, and then connect the boom and the pre-tightening parts by connecting hardware. , It is dangerous during hoisting and is prone to safety accidents.

SUMMARY OF THE INVENTION

In view of this, the embodiment of the present invention provides a prefabricated panel hoisting device for construction, so that the prefabricated panel can be detachably installed in the clamping member, avoid setting the prefabricated panel on the prefabricated panel, and reduce the impact on the prefabricated panel. It can enhance the firmness of the prefabricated panel, enhance the stability of the prefabricated panel when it is transported, and improve the safety.

An embodiment of the present invention provides a prefabricated panel hoisting device for construction, comprising:

tower crane hook;

The hoisting beam is suspended below the tower crane hook;

an upper connecting rope, the upper end is connected to the tower crane hook, and the lower end is connected to the hoisting beam;

a lower connecting rope, the upper end of which is connected to the hoisting beam; and,

The hoisting assembly includes a connecting piece and a clamping piece, the connecting piece is fixed on the lower end of the lower connecting rope, and the clamping piece is detachably connected and installed on the lower end of the connecting piece for clamping the prefabricated board;

The clamping member includes a first clamping portion and a second clamping portion that are oppositely arranged, and the second clamping portion has a clamping position and an opening position relative to the first clamping portion;

When the second clamping part is located at the clamping position, the second clamping part is connected with the first clamping part to form a clamping space for clamping the prefabricated board; the second clamping part is When the clamping part is in the open position, the second clamping part is away from the first clamping part, so as to remove the prefabricated board from the clamping space.

Further, the first clamping portion and the second clamping portion are U-shaped and have opposite openings;

One end of the first clamping portion close to the second clamping portion protrudes toward the second clamping portion to form a connecting portion, and a position opposite to the connecting portion is provided with the second clamping portion. The connecting portion is adapted to a limiting groove, one end of the connecting portion close to the second clamping portion is connected with the bottom wall of the limiting groove through a first spring, and the second clamping portion is located at the bottom wall of the limiting groove. In the clamping position, the first spring is in a stretched state.

Further, the first clamping portion and the second clamping portion are disposed opposite to each other in the horizontal direction, and both the connecting portion and the first spring extend in the horizontal direction.

Further, the second clamping portion is provided with a limit through hole extending in the up and down direction, and the inner side wall of the limit through hole is provided with an inner thread for cooperating with the positioning screw to hold the prefabricated plate up and down. to the limit; and/or,

The first clamping part is provided with a limit through hole extending in the up and down direction, and the inner side wall of the limit through hole is provided with an inner thread for cooperating with the positioning screw to limit the prefabricated plate in the up and down direction. .

Further, a positioning block is threadedly connected to the lower end of the positioning screw, the positioning block extends vertically and is arranged in a cylindrical shape, the upper end of the positioning block is arranged with an opening, the lower end is arranged with a cover, and the bottom of the positioning block is arranged. Features rubber.

Further, there are two hoisting assemblies, which are respectively connected to both ends of the hoisting beam through one of the lower connecting ropes.

Further, both the first clamping part and the second clamping part include an upper clamping plate and a lower clamping plate arranged at intervals in the upper and lower directions, and the upper clamping plate and the lower clamping plate are located between the upper clamping plate and the lower clamping plate. They are connected by connecting plates, the connecting plates extend up and down, and the inner side walls of the connecting plates are used for abutting the ends of the prefabricated plates;

The upper clamping plates of the two clamping members are connected by elastic members, and when the clamping members are fixed on the ends of the prefabricated plates, the elastic members are in a stretched state.

Further, the elastic member is a spring, and both ends of the spring are detachably connected to the upper clamping plate respectively.

Further, the connecting piece includes a fixing part and a positioning protruding strip, the fixing part is fixed on the lower end of the lower connecting rope, and the positioning protruding strip extends in the horizontal direction and is fixed on the lower end of the fixing part;

The top of the second clamping portion is provided with a groove with an opening facing upward and a bottom wall in a circular shape for the positioning protruding strip to rotate, and the upper end of the side wall of the groove protrudes inwardly to form two opposite and The limit blocks are arranged at intervals to form a channel for the positioning protruding strip to pass through.

The beneficial effect brought by the technical solutions provided by the embodiments of the present invention is that: by arranging a hoisting assembly consisting of the connecting piece and the holding piece, the prefabricated board is installed in the holding piece, and the traditional The prefabricated panel is provided with embedded parts, and the prefabricated panel is fixed by screw connection, thereby enhancing the stability of the prefabricated panel being fixed during transportation, improving the safety and improving the production efficiency of the prefabricated panel.

Description of drawings

1 is a schematic structural diagram of an embodiment of a prefabricated panel hoisting device for buildings provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the clamping member in FIG. 1;

Fig. 3 is the enlarged schematic diagram of A place in Fig. 2;

FIG. 4 is a schematic cross-sectional view of the connector in FIG. 1 being installed on the clamp;

Fig. 5 is the enlarged schematic diagram at B place in Fig. 4;

FIG. 6 is a schematic structural diagram of the first clamping portion in FIG. 1 .

In the figure: prefabricated panel hoisting device 100 for construction, tower crane hook 1, hoisting beam 2, upper connecting rope 3, lower connecting rope 4, hoisting assembly 5, clamping piece 51, first clamping part 511, second clamp Holding part 512, clamping space 513, connecting part 514, first spring 515, groove 516, positioning groove 517, connecting piece 52, fixing part 521, positioning convex strip 522, positioning screw 6, positioning block 7, rubber 8 , the second spring 9 , the upper clamping plate 10 , the lower clamping plate 11 , the connecting plate 12 , and the elastic member 13 .

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in FIG. 1 , an embodiment of the present invention provides a prefabricated panel hoisting device 100 for construction, including a tower crane hook 1 , a hoisting beam 2 , an upper connecting rope 3 , a lower connecting rope 4 and a hoisting assembly 5 . The hoisting beam 2 is suspended below the tower crane hook 1, the upper end of the upper connecting rope 3 is connected to the tower crane hook 1, the lower end is connected to the hoisting beam 2, and the upper end of the lower connecting rope 4 is connected to the hoisting beam. 2. The hoisting assembly 5 includes a connecting piece 52 and a clamping piece 51 , the connecting piece 52 is fixed to the lower end of the lower connecting rope 4 , and the clamping piece 51 is detachably connected and installed on the lower end of the connecting piece 52 for clamping Prefabricated panels.

In the technical solution provided by the present invention, by arranging the hoisting assembly 5 composed of the connecting member 52 and the clamping member 51, the prefabricated board is installed in the clamping member 51, which can eliminate the need for the traditional installation of the prefabricated board. The embedded parts are arranged in the middle, and the prefabricated panels are fixed by screw connection, so as to enhance the stability of the prefabricated panels being fixed during transportation, improve the safety, and at the same time improve the production efficiency of the prefabricated panels.

There can be a plurality of hoisting components 5. In this embodiment, there are two hoisting components 5, which are respectively connected to both ends of the hoisting beam 2 through a connecting rope 4. When installing the prefabricated panels, the two hoisting components 5 are installed respectively. On both ends of the prefabricated panel, the stability of the prefabricated panel being fixed during transportation can be enhanced. The upper connecting rope 3 and the lower connecting rope 4 can be steel wire ropes.

In other embodiments, the clamping members 51 can be arranged to extend in the horizontal direction and have a cylindrical shape, the opposite ends of the two clamping members 51 are arranged as openings, and the opposite ends of the clamping members 51 are arranged as caps to form a In the accommodating cavity adapted to the board, the upper and side portions of the clamping member 51 are provided with positioning through holes for cooperating with positioning screws to fix the prefabricated board in the accommodating cavity.

As shown in FIG. 2 and FIG. 3 , in this embodiment, the clamping member 51 includes a first clamping portion 511 and a second clamping portion 512 that are oppositely arranged, and the second clamping portion 512 has an opposite at the clamping position and the opening position of the first clamping portion 511 . When the second clamping portion 512 is located at the clamping position, the second clamping portion 512 is connected with the first clamping portion 511 to form a clamping space 513 for clamping the prefabricated board; When the second clamping portion 512 is in the open position, the second clamping portion 512 is away from the first clamping portion 511 to remove the prefabricated board from the clamping space 513 . With this arrangement, the prefabricated board can be detachably installed in the clamping member 51 , so as to avoid arranging embedded parts on the prefabricated board, thereby reducing damage to the prefabricated board and enhancing the firmness of the prefabricated board.

Specifically, the first clamping part 511 and the second clamping part 512 are U-shaped with opposite openings, and one end of the first clamping part 511 close to the second clamping part 512 faces the The second clamping portion 512 protrudes to form a connecting portion 514 , and a position where the second clamping portion 512 is opposite to the connecting portion 514 is provided with a limiting groove (not shown in the figure) that matches the connecting portion 514 . mark), one end of the connecting portion 514 close to the second clamping portion 512 is connected with the bottom wall of the limiting groove through a first spring 515, and the second clamping portion 512 is located at the clamping position , the first spring 515 is in the stretched state. In this way, the clamping member 51 can be adjusted according to the width of the prefabricated plate, so that there is no gap between the clamping member 51 and the prefabricated plate, and the stability of the prefabricated plate being fixed in the clamping member 51 can be enhanced, so that the clamping member 51 can be fixed. 51 can be applied to prefabricated panels of different specifications. After stretching the first clamping portion 511 and the second clamping portion 512 in opposite directions, the first spring 515 is in the stretched state, and the prefabricated board is placed on the first clamping portion Between 511 and the second clamping part 512, due to the elastic recovery of the first spring 515, the first clamping part 511 and the second clamping part 512 are in contact with both ends of the prefabricated plate , the prefabricated board is fixed in the clamping member 51 , which simplifies the installation and removal of the prefabricated board in the clamping member 51 . In other embodiments, the first clamping portion 511 and the second clamping portion 512 may be snap-connected, screwed, or other manners.

Further, the first clamping portion 511 and the second clamping portion 512 may be disposed opposite to each other in an up-down direction. In this embodiment, the first clamping portion 511 and the second clamping portion 512 are located in the The connecting portion 514 and the first spring 515 are both horizontally arranged opposite to each other, which can reduce the tensile force borne by the first spring 515 and increase the service life of the first spring 515 .

The second clamping portion 512 is provided with a limit through hole (not marked in the figure) extending in the up and down direction, and the inner side wall of the limit through hole is provided with an inner thread for cooperating with the positioning screw 6 to lock the The prefabricated board is limited in the up and down direction. The first clamping portion 511 is provided with a limit through hole (not marked in the figure) extending in the up-down direction, and the inner side wall of the limit through hole is provided with an inner thread for cooperating with the positioning screw 6 to lock the The prefabricated board is limited in the up and down direction, which can prevent the prefabricated board from moving up and down in the first clamping part 511 and the second clamping part 512 , and enhance the stability of the prefabricated board during transportation.

A positioning block 7 is threadedly connected to the lower end of the positioning screw 6. The positioning block 7 extends vertically and is arranged in a cylindrical shape. The upper end of the positioning block 7 is arranged with an opening, and the lower end is arranged with a cover. The bottom is provided with rubber 8, and the positioning screw 6 is tightened to make the prefabricated plate abut against the rubber 8, which can prevent the positioning screw 6 from directly contacting the prefabricated plate and damaging the prefabricated plate.

The first clamping portion 511 and the second clamping portion 512 both include an upper clamping plate 10 and a lower clamping plate 11 that are spaced up and down, and the upper clamping plate 10 and the lower clamping plate 10 The plates 11 are connected by a connecting plate 12, and the connecting plate 12 extends up and down. In this embodiment, the connecting plate 12 is provided at the ends of the upper clamping plate 10 and the lower clamping plate 11 (please refer to FIG. 6). , the inner side wall of the connecting plate 12 is used for abutting with the end of the prefabricated plate. As shown in FIG. 1 , the upper clamping plate 10 of the two clamping members 51 is connected by an elastic member 13 . When the clamping member 51 is fixed on the end of the prefabricated plate, the elastic member 13 is stretched. The two connecting plates 12 are respectively abutted against the ends of the prefabricated plates, which can fix the prefabricated plates between the two clamping members 51, and also avoid the movement of the prefabricated plates in the clamping members 51, which can enhance the fixing of the prefabricated plates in the clamping members 51. The stability within the holder 51 makes the holder 51 adaptable to prefabricated panels of different lengths.

In this embodiment, the elastic member 13 is a spring, and the two ends of the spring are detachably connected to the upper clamping plate 10, so that the prefabricated plate can be fixed in the two clamping members 51, and then the two connection A spring is installed between the parts 51, and at the same time, springs of different lengths can be replaced according to the length of the prefabricated plate, so as to avoid damage to the spring caused by the prefabricated plate being too long.

As shown in FIG. 4 and FIG. 5 , the connecting member 52 includes a fixing portion 521 and a positioning protruding strip 522. The fixing portion 521 is fixed to the lower end of the lower connecting rope 4, and the positioning protruding strip 522 extends in the horizontal direction. It is fixed on the lower end of the fixing portion 521 . The top of the second clamping portion 512 is provided with a groove 516 with an opening facing upward and a circular bottom wall for the positioning protruding strip 522 to rotate. The upper end of the side wall of the groove 516 protrudes inwardly to form Two opposing and spaced-apart stop blocks form a passage for the positioning protruding strips 522 to pass through. This arrangement simplifies the detachable installation of the connecting member 52 on the clamping member 51, and the positioning protruding strips 522 is aligned with the channel, placed in the groove 516, and then the positioning protruding strip 522 is rotated to a direction that is at an acute angle with the channel, so that the connection member 52 and the clamping member 51 can be fixed.

Further, as shown in FIG. 2 and FIG. 3 , the bottom wall is provided with a second spring 9 extending up and down, the second spring 9 has an initial state and a compressed state, and the connecting piece 52 is installed on the clip When the holding member 51 is on, the second spring 9 is in the compressed state, which can enhance the friction force between the connecting member 52 and the clamping member 51 , and enhance the friction force between the connecting member 52 and the clamping member 51 . stability.

The bottoms of the two limit blocks are provided with positioning grooves 517 that are adapted to the positioning protruding strips 522 . When the connecting member 52 is installed on the clamping member 51 , the positioning protruding strips 522 are located at the The positioning grooves 517 prevent the positioning protruding strips 522 from rotating during the transportation of the prefabricated boards, which can eliminate the hidden danger of the prefabricated boards falling due to the rotation of the positioning protruding strips 522 to the channel.

The positioning groove 517 is perpendicular to the channel, which increases the angle required for the positioning protruding strip 522 to rotate from the channel to the positioning groove 517, and further reduces the possibility of the positioning protruding strip 522 rotating to the channel.

In this document, the related terms such as front, rear, upper and lower are defined by the positions of the components in the drawings and the positions between the components, which are only for the clarity and convenience of expressing the technical solution. It should be understood that the use of the locative words should not limit the scope of protection claimed in this application.

The above-described embodiments and features of the embodiments herein may be combined with each other without conflict.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (9)

1. A prefabricated panel hoisting device for building, characterized in that, comprising: tower crane hook; The hoisting beam is suspended below the tower crane hook; an upper connecting rope, the upper end is connected to the tower crane hook, and the lower end is connected to the hoisting beam; a lower connecting rope, the upper end of which is connected to the hoisting beam; and, The hoisting assembly includes a connecting piece and a clamping piece, the connecting piece is fixed on the lower end of the lower connecting rope, and the clamping piece is detachably connected and installed on the lower end of the connecting piece for clamping the prefabricated board; The clamping member includes a first clamping portion and a second clamping portion that are oppositely arranged, and the second clamping portion has a clamping position and an opening position relative to the first clamping portion; When the second clamping part is located at the clamping position, the second clamping part is connected with the first clamping part to form a clamping space for clamping the prefabricated board; the second clamping part is When the clamping part is in the open position, the second clamping part is away from the first clamping part, so as to remove the prefabricated board from the clamping space. 2 . The prefabricated panel hoisting device for construction according to claim 1 , wherein the first clamping portion and the second clamping portion are U-shaped and the openings are arranged opposite to each other; 3 . One end of the first clamping portion close to the second clamping portion protrudes toward the second clamping portion to form a connecting portion, and a position opposite to the connecting portion is provided with the second clamping portion. The connecting portion is adapted to a limiting groove, one end of the connecting portion close to the second clamping portion is connected with the bottom wall of the limiting groove through a first spring, and the second clamping portion is located at the bottom wall of the limiting groove. In the clamping position, the first spring is in a stretched state. 3 . The prefabricated panel hoisting device for construction according to claim 2 , wherein the first clamping part and the second clamping part are arranged opposite to each other in the horizontal direction, and the connecting part and the first clamping part are arranged opposite to each other in the horizontal direction. 4 . The springs all extend horizontally. 4 . The prefabricated board hoisting device for construction according to claim 3 , wherein the second clamping portion is provided with a limit through hole extending in the up-down direction, and the inner side wall of the limit through hole is provided with a limit hole. 5 . Internal threads for cooperating with positioning screws to limit the prefabricated panels in the up and down direction; and/or, The first clamping part is provided with a limit through hole extending in the up and down direction, and the inner side wall of the limit through hole is provided with an inner thread for cooperating with the positioning screw to limit the prefabricated plate in the up and down direction. . 5 . The prefabricated panel hoisting device for construction according to claim 4 , wherein a positioning block is threadedly connected to the lower end of the positioning screw, and the positioning block extends in an up-down direction and is arranged in a cylindrical shape. The upper end is provided with an opening, the lower end is provided with a cover, and the bottom of the positioning block is provided with rubber. 6 . The prefabricated panel hoisting device for construction according to claim 3 , wherein there are two hoisting components, which are respectively connected to both ends of the hoisting beam through one of the lower connecting ropes. 7 . 7 . The prefabricated panel hoisting device for construction according to claim 6 , wherein the first clamping part and the second clamping part each comprise an upper clamping plate and a lower clamping plate arranged at intervals in an up-down direction. 8 . a holding plate, the upper clamping plate and the lower clamping plate are connected by a connecting plate, the connecting plate extends up and down, and the inner side wall of the connecting plate is used for abutting with the end of the prefabricated plate; The upper clamping plates of the two clamping members are connected by elastic members, and when the clamping members are fixed on the ends of the prefabricated plates, the elastic members are in a stretched state. 8 . The prefabricated board hoisting device for construction according to claim 7 , wherein the elastic member is a spring, and two ends of the spring are respectively detachably connected to the upper clamping plate. 9 . 9 . The prefabricated panel hoisting device for construction according to claim 3 , wherein the connecting piece comprises a fixing part and a positioning protruding strip, the fixing part is fixed on the lower end of the lower connecting rope, and the positioning protruding strip is 9 . extending along the horizontal direction and being fixed on the lower end of the fixing part; The top of the second clamping portion is provided with a groove with an opening facing upward and a bottom wall in a circular shape for the positioning protruding strip to rotate, and the upper end of the side wall of the groove protrudes inwardly to form two opposite and The limit blocks are arranged at intervals to form a channel for the positioning protruding strip to pass through.

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