CN210795618U - Precast beam pedestal beam lifting hole device - Google Patents

Abstract

The utility model discloses a precast beam pedestal carries roof beam hole device, including levelling mechanism, climbing mechanism and the support pad foot that links to each other with climbing mechanism, wherein: the leveling mechanism comprises a supporting plate, a threaded hole is formed in the supporting plate, and a leveling bolt is connected with the threaded hole in a threaded manner; the jacking mechanism is arranged below the leveling mechanism and comprises a double-rotation-direction lead screw, a first nut and a second nut are respectively arranged on the double-rotation-direction lead screw in a matched mode, the first nut is fixedly connected with a first connecting rod, the second nut is fixedly connected with a second connecting rod, the first connecting rod is hinged with the second connecting rod, the first connecting rod and the second connecting rod are equal in length, and the first connecting rod and the second connecting rod are both connected with the supporting plate. The utility model discloses construction convenience is nimble, can used repeatedly and easy dismounting, has simplified the work progress, has improved work efficiency, and simultaneously, elevation control is accurate, and the people who has significantly reduced are construction error, have effectively guaranteed that precast beam bottom is linear.

Description

Precast beam pedestal beam lifting hole device

Technical Field

The utility model relates to a precast beam preparation technical field, concretely relates to precast beam pedestal carries roof beam hole device.

Background

The precast beam, especially the precast beam of long span, generally adopts the hoisting at the bottom of the pocket for the prefabricated pedestal must break off at hoist and mount position, sets up and carries beam hole device, and the pedestal is continuous overall structure when reaching prefabrication, can detach the movable pedestal panel of carrying beam hole department during hoist and mount, makes things convenient for wire rope to penetrate, directly pocket the purpose of precast beam bottom surface, accomplishes the hoist and mount. In order to achieve the purpose of arranging the lifting beam hole, the lower supporting structure of the movable pedestal panel needs to bear the upper load of the beam body during prefabrication, can adjust the height and flexibly move, and is convenient and quick to take out and penetrate the steel plate and the supporting structure into the steel wire rope. The commonly used method of the movable pedestal panel lower supporting structure is that a square wood wedge block is adopted, the height of a steel plate is adjusted by adjusting the position of the wedge block, when a beam body is prefabricated, the steel plate is tightly jacked by the square wood, the square wood is knocked off after the prefabrication is completed, and the steel plate is taken out.

The following problems exist with this approach: the movable pedestal panel in the conventional treatment mode is easy to have uneven copying and unstable cushion, and the elevations of the four corners of the movable pedestal panel are easy to have large deviation, so that the movable pedestal panel is not parallel and level with the plane of the prefabricated beam pedestal around, and further the movable pedestal panel is easy to have the situations of slurry leakage and slab staggering and unevenness at the bottom of the beam in the concrete pouring process. Meanwhile, the installation is labor-consuming and time-consuming, the arrangement height of the panel of the movable pedestal is uncertain due to the fact that the square timber is extremely prone to deformation, the square timber is required to be repeatedly adjusted to a proper height during installation every time, the installation time is long, the square timber wedge blocks which are subjected to turnover times and serious deformation cannot be used continuously, the square timber wedge blocks need to be machined again, and materials are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the prefabricated beam pedestal lifting hole device is simple in structure, convenient to install, long in service life, accurate in height control of the movable pedestal panel, capable of reducing human errors and effectively guaranteeing the bottom linearity of a prefabricated beam.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a precast beam pedestal carries roof beam hole device, includes levelling mechanism, climbing mechanism and the support pad foot that links to each other with climbing mechanism, wherein:

the leveling mechanism comprises a supporting plate, a threaded hole is formed in the supporting plate, and a leveling bolt is connected with the threaded hole in a threaded manner;

climbing mechanism sets up leveling mechanism's below, including the bispin to the lead screw, the cooperation is equipped with first nut and second nut on the bispin to the lead screw respectively, the first connecting rod of first nut fixedly connected with, second nut fixedly connected with second connecting rod, first connecting rod with the second connecting rod articulates on the second supporting seat jointly, second supporting seat fixed connection be in the backup pad below, the length of first connecting rod and second connecting rod equals.

Preferably, the number of the first connecting rods is 2, and the first connecting rods are symmetrically arranged on two sides of the double-rotation-direction screw rod.

Preferably, the number of the second connecting rods is also 2, the second connecting rods are symmetrically arranged on two sides of the double-rotation-direction screw rod, and the second connecting rods and the first connecting rods form a diamond-shaped frame structure.

Preferably, the supporting foot is vertically connected with a first supporting seat, and the first connecting rod and the second connecting rod which are positioned below the double-rotation-direction screw rod are respectively hinged with the first supporting seat.

Preferably, the connecting block is arranged at one end of the double-rotation-direction screw rod and is arranged in a square shape.

Preferably, the connecting block is provided with a handle in a matching manner, the handle comprises an annular ring, a connecting frame is arranged in the annular ring, and the center of the connecting frame is provided with a square jack matched with the connecting block.

Preferably, the number of the threaded holes is four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the jacking mechanism and utilizing the double-rotation-direction lead screw, the lifting adjustment of the movable pedestal panel is quickly realized, and the lifting mechanism is simple in structure, reasonable in stress and sufficient in bearing capacity;

2. by arranging the leveling mechanism and utilizing the leveling bolts, the precise adjustment of the movable pedestal panel is realized, the elevation of the four corners of the movable pedestal panel is ensured to be flush with the plane of the peripheral precast beam pedestal, and the problems of slurry leakage, slab staggering and unevenness of the beam bottom in the concrete pouring process are prevented;

3. the device is easy to operate, convenient and flexible to construct, simplifies the construction process, improves the working efficiency, and meanwhile, is accurate to control, and greatly reduces the artificial construction errors.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the double-rotation lead screw in fig. 1.

Fig. 3 is a schematic view of the handle of fig. 1.

Fig. 4 is a left side view (with the handle removed) of the present invention of fig. 1.

Fig. 5 is the utility model discloses structure schematic diagram when precast beam construction.

Fig. 6 is the utility model discloses structural schematic when hoist and mount precast beam.

Fig. 7 is a top view of the fixed base panel and the movable base panel.

Description of reference numerals:

1 prefabricating a beam pedestal; 2, lifting a beam hole; 3 fixing a pedestal panel;

4, a beam lifting hole device; 41 supporting the foot pad; 42 a first support; 43 a first link; 44 a second link;

451 a first nut; 452 a second nut; 46 double-rotation-direction lead screw; 461 connecting block;

462 a first thread; 463 second screw threads;

47 a handle; 471 an annular ring; 472 connecting frame; 473 square jack;

48 a second support seat; 49 supporting the board; 50 threaded holes; 51 leveling bolts.

5 removable deck panel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the precast beam pedestal lifting beam hole device 4 provided in this embodiment includes a leveling mechanism, a jacking mechanism, and a supporting pad 41 hinged to the jacking mechanism, wherein:

the leveling mechanism comprises a supporting plate 49, threaded holes 50 are formed in the supporting plate 49, the number of the threaded holes 50 can be four, the threaded holes are respectively formed in four corners of the supporting plate 49, leveling bolts 51 are connected to the threaded holes 50 in a threaded mode, and accordingly elevation adjustment can be conveniently conducted on four corners of the movable pedestal panel 5. By utilizing the leveling bolts 51, the fine adjustment of the movable pedestal panel 5 is realized, the elevation of four corners of the movable pedestal panel 5 is ensured to be parallel and level with the fixed pedestal panels 3 on the prefabricated beam pedestal 1 around, and the problems of slurry leakage, slab staggering at the bottom of a beam and unevenness in the concrete pouring process are prevented.

The jacking mechanism is arranged below the leveling mechanism and comprises a double-rotation-direction lead screw 46, lifting adjustment of the movable pedestal panel 5 is rapidly achieved by means of the double-rotation-direction lead screw 46, a first thread 462 and a second thread 463 opposite to the rotation direction of the first thread 462 are arranged on the double-rotation-direction lead screw 46, a first nut 451 is arranged on the first thread 462 in a matched mode, a second nut 452 is arranged on the second thread 463 in a matched mode, a first connecting rod 43 is hinged to the first nut 451, 2 first connecting rods 43 are arranged on the two sides of the double-rotation-direction lead screw 46 in a number, the second nuts 452 are hinged to second connecting rods 44, 2 second connecting rods 44 are arranged on the two sides of the double-rotation-direction lead screw 46 in a number, the first connecting rods 43 and the second connecting rods 44 are hinged to the second supporting seat 48 respectively, and the second supporting seat 48 is welded below the supporting seat 49. The first connecting rod 43 and the second connecting rod 44 are equal in length, the second connecting rod 44 and the first connecting rod 43 form a diamond-shaped frame structure, the structure is simple, the stress is reasonable, and the bearing capacity is sufficient.

A first supporting seat 42 is vertically welded above the supporting foot 41, and a first connecting rod 43 and a second connecting rod 44 which are positioned below the double-rotation-direction lead screw 46 are respectively hinged on the first supporting seat 42.

In order to facilitate the rotation of the double-rotation-direction lead screw 46, one end of the double-rotation-direction lead screw 46 is provided with a connecting block 461, the connecting block 461 is arranged in a square shape, the connecting block 461 is provided with a handle 47 in a matching manner, the handle 47 comprises an annular ring 471, a connecting frame 472 is arranged in the annular ring 471, and the center of the connecting frame 472 is provided with a square insertion hole 473 matched with the connecting block 461.

The specific use method is as follows:

as shown in fig. 5-7, in use, the handle hole device 4 is placed in the handle hole 2, the support pad 41 is supported on the ground, the movable base panel 5 is placed above the 4 leveling bolts, the double-screw lead screw 46 is rotated to move the first nut 451 and the second nut 452 in the direction of approaching each other, at this time, the first support base 42 moves upward to drive the support plate 49 to move upward to move the movable base panel 5 upward, when the movable base panel 5 is substantially flush with the fixed base panel 3 on the precast beam base 1, the rotation is stopped, then the 4 leveling bolts 51 on the support plate 49 are respectively rotated to perform fine adjustment, so that the movable base panel 5 is flush with the fixed base panel 3, which is convenient for construction, accurate in control, and reduces human errors.

When hoisting the precast beam after the precast beam is finished, the double-rotation-direction screw rod 46 is rotated to lower the movable pedestal panel 5, the movable pedestal panel is separated from the precast beam until a certain space is reserved, and then the steel wire rope is inserted into the space to directly catch the bottom surface of the precast beam to finish the hoisting of the precast beam. The disassembly is quick and convenient, and the construction efficiency is improved.

It should be noted that the fixed pedestal panel 3 and the movable pedestal panel 5 may be made of steel plates having the same thickness.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. The utility model provides a precast beam pedestal carries beam hole device (4), its characterized in that includes levelling mechanism, climbing mechanism and with climbing mechanism looks articulated support pad foot (41), wherein:

the leveling mechanism comprises a supporting plate (49), a threaded hole (50) is formed in the supporting plate (49), and a leveling bolt (51) is connected with the threaded hole (50) in an internal thread mode;

climbing mechanism sets up leveling mechanism's below, including bispin to lead screw (46), it is equipped with first nut (451) and second nut (452) to cooperate respectively on lead screw (46) to bispin, first nut (451) articulates there is first connecting rod (43), second nut (452) articulates there is second connecting rod (44), first connecting rod (43) with second connecting rod (44) articulate jointly has second supporting seat (48), second supporting seat (48) fixed connection be in backup pad (49) below, first connecting rod (43) equals with the length of second connecting rod (44).

2. A precast beam pedestal lifting beam hole device according to claim 1, characterized in that the number of the first connecting rods (43) is 2, and the first connecting rods are symmetrically arranged at both sides of the double-rotation-direction screw rod (46).

3. A precast beam pedestal lifting beam hole device according to claim 1, characterized in that the number of the second connecting rods (44) is 2, and the second connecting rods (44) and the first connecting rods (43) form a diamond frame structure, and are symmetrically arranged on two sides of the double-rotation-direction screw rod (46).

4. A precast beam pedestal lifting beam hole device according to claim 3, characterized in that a first supporting seat (42) is vertically connected above the supporting foot (41), and the first connecting rod (43) and the second connecting rod (44) under the double-rotation lead screw (46) are respectively hinged with the first supporting seat (42).

5. A precast beam pedestal lifting beam hole device according to claim 1, wherein one end of the double-rotation-direction screw rod (46) is provided with a connecting block (461), and the connecting block (461) is arranged in a square shape.

6. The precast beam pedestal beam lifting hole device according to claim 5, wherein a handle (47) is cooperatively arranged on the connecting block (461), the handle (47) comprises an annular ring (471), a connecting frame (472) is arranged in the annular ring (471), and a square insertion hole (473) matched with the connecting block (461) is formed in the center of the connecting frame (472).

Images