A reversible spreader for concrete blocks

Abstract

The utility model discloses a kind of overturning lifting appliance for concrete precast block, it is related to concrete precast block production technical field.The overturning lifting appliance for concrete precast block, including rack, adjusting assembly and adsorption assembly, rack includes guide rail frame, stand and square block, wherein the number of stand is two groups and located at the two sides of square block, adjusting assembly includes front and rear carriage, left and right carriages, front and rear oil cylinder and left and right oil cylinder.Adjusting equipment lifting point position, make lifting point and the gravity center of equipment after adsorbing precast block be located in a vertical line after lifting, avoid because the gravity center position of equipment after adsorbing precast block is inconsistent, in the process of lifting, the situation of skew appears, reduce the probability of structural deformation or mechanical failure, by the cooperation of adsorption assembly, it is applicable to the precast block of size, shape inconsistency, the cooperation of overturning oil cylinder and adsorption assembly, concrete precast block can be smoothly overturned, avoid collision or fall, without manual assistance.

Description

Technical Field

[0001] This utility model relates to the field of precast concrete block production technology, and in particular to a flip-over lifting tool for precast concrete blocks. Background Technology

[0002] Chinese patent document CN208932797U discloses a flip-up lifting device for precast concrete blocks, comprising: a crossbeam, a rotating shaft, a support, two clamps, and two motors. In use, the two clamps hold the left and right ends of the precast concrete block. Then, a crane drives the crossbeam to move the support upwards, achieving lifting. After the crane moves the precast concrete block to the installation position, the support rotates horizontally relative to the crossbeam via the rotating shaft. The motors drive the clamps to rotate, achieving longitudinal rotation of the precast concrete block. This facilitates the adjustment of the precast concrete block to the appropriate installation position. The entire process not only ensures precise positioning of the precast concrete block but also reduces manual operation and improves construction efficiency.

[0003] The aforementioned type of flip-over lifting device for precast concrete blocks is not suitable for precast blocks of inconsistent size and shape. This results in inconsistent center of gravity of the equipment after the precast blocks are held in place, making it prone to tilting during lifting. Tilted lifting will cause the lifting device, wire rope, or crane to be subjected to forces in directions other than those designed for it, leading to structural deformation or mechanical failure. Utility Model Content

[0004] The purpose of this utility model is to provide a flip-up lifting device for precast concrete blocks, which can solve the problem of inconsistent center of gravity, easy tilting during lifting, and tilted lifting causing the lifting device, wire rope or crane to be subjected to forces in a non-design direction, resulting in structural deformation or mechanical failure.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flip-over lifting device for precast concrete blocks, comprising: The frame includes guide rails, columns, and square blocks, wherein there are two sets of columns located on both sides of the square blocks; The adjustment assembly is mounted on the guide rail frame. The adjustment assembly includes front and rear slides, left and right slides, front and rear hydraulic cylinders and left and right hydraulic cylinders. The tail of the left and right hydraulic cylinders is hinged to the frame, and the ends of the left and right hydraulic cylinders are hinged to the left and right slides. The tail of the front and rear hydraulic cylinders is hinged to the left and right slides, and the ends of the front and rear hydraulic cylinders are hinged to the front and rear slides. The adsorption components are installed on the column. There are two sets of adsorption components located on both sides of the square block. The adsorption components include a suction cup frame and a suction cup. The suction cup frame is hinged to the column by a pin, and the suction cup is installed on the suction cup frame by bolts.

[0006] Preferably, the adjustment assembly further includes roller A, guide wheel A, roller B, and guide wheel B. Two sets of guide wheels A are fixedly installed on the front and rear sides of the front and rear slides, and the guide wheels A are slidably installed with the left and right slides. Rollers A are fixedly installed on the front and rear sides of the front and rear slides, and the rollers A are slidably installed with the left and right slides. Guide wheels B are fixedly installed at the bottom of the left and right slides, and the guide wheels B are slidably installed with the guide rail. Rollers B are fixedly installed on both sides of the left and right slides, and the rollers B are slidably installed with the guide rail.

[0007] Preferably, the adsorption assembly further includes a solenoid valve and a square block. The column is hollow inside, with a pipe inside the column. The solenoid valve is mounted on the pipe, and one end of the solenoid valve extends to the outside of the column.

[0008] Preferably, the suction cup frame is provided with a tilting cylinder, the tail of the tilting cylinder is hinged to the frame, and the end of the tilting cylinder is hinged to the suction cup frame.

[0009] Preferably, the square block has a vacuum cavity inside, one end of the pipe extends into the vacuum cavity, and the other end of the pipe is connected to and communicates with the suction cup.

[0010] Preferably, the number of suction cup frames is four, and they are arranged in groups of two.

[0011] Preferably, each suction cup frame has four suction cups at its bottom. The multiple suction cups can increase the suction force and prevent the suction cups from falling off.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This precast concrete block uses a tilting lifting device. Front and rear hydraulic cylinders, as well as left and right hydraulic cylinders, are used to adjust the positions of the front and rear carriages and the left and right carriages, thereby adjusting the lifting point position. This ensures that the lifting point and the center of gravity of the device after the precast block is adsorbed are aligned vertically before lifting. This avoids tilting during lifting due to inconsistent center of gravity positions after adsorbing the precast block, reducing the probability of structural deformation or mechanical failure. It also prevents the precast block from slipping or the lifting device from malfunctioning due to center of gravity shift, which could injure personnel or damage surrounding equipment. With the assistance of the adsorption components, it is suitable for precast blocks of different sizes and shapes. The multiple suction cups increase the adsorption force, preventing falls. Compared to clamps, it causes minimal surface damage, has a larger contact area, is more secure, and makes unloading easier. The combined use of the tilting cylinders and adsorption components allows for smooth tilting of the precast concrete block, preventing collisions or falls, without the need for manual assistance. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a perspective view of the present utility model; Figure 2 This is an enlarged view of part A of the present invention; Figure 3 This is a system block diagram of the present invention.

[0014] Reference numerals in the attached diagram: 1. Frame; 2. Front and rear carriages; 3. Left and right carriages; 4. Suction cup frame; 5. Suction cup; 6. Solenoid valve; 7. Square block; 8. Front and rear hydraulic cylinders; 9. Left and right hydraulic cylinders; 10. Tilting hydraulic cylinder; 11. Roller A; 12. Guide wheel A; 13. Roller B; 14. Guide wheel B. Detailed Implementation

[0015] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the description of the textual part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0016] Please see Figure 1-3 This utility model provides a technical solution: a flip-up lifting device for precast concrete blocks, including a frame 1, an adjustment assembly, and an adsorption assembly. The frame 1 includes a guide rail frame, columns, and square blocks 7. There are two sets of columns located on both sides of the square blocks 7. The adjustment assembly includes front and rear slides 2, left and right slides 3, front and rear hydraulic cylinders 8, and left and right hydraulic cylinders 9. The tail of the left and right hydraulic cylinders 9 is hinged to the frame 1, and the ends of the left and right hydraulic cylinders 9 are hinged to the left and right slides 3. The tail of the front and rear hydraulic cylinders 8 is hinged to the left and right slides 3, and the ends of the front and rear hydraulic cylinders 8 are hinged to the front and rear slides 2. There are two sets of adsorption assemblies located on both sides of the square blocks 7. The adsorption assembly includes a suction cup frame 4 and a suction cup 5. The suction cup frame 4 is hinged to the columns by a pin, and the suction cup 5 is installed on the suction cup frame 4 by bolts.

[0017] The adjustment assembly also includes rollers A11, guide wheels A12, rollers B13, and guide wheels B14. Two sets of guide wheels A12 are fixedly installed on the front and rear sides of the front and rear slides 2, and the guide wheels A12 are slidably installed with the left and right slides 3. Rollers A11 are fixedly installed on the front and rear sides of the front and rear slides 2, and the rollers A11 are slidably installed with the left and right slides 3. Guide wheels B14 are fixedly installed at the bottom of the left and right slides 3, and the guide wheels B14 are slidably installed with the guide rails. Rollers B13 are fixedly installed on both sides of the left and right slides 3. 3. The equipment is slidably installed with the guide rail frame. The positions of the front and rear slides 2 and left and right slides 3 are adjusted using the front and rear hydraulic cylinders 8 and the left and right hydraulic cylinders 9, thereby adjusting the lifting point position. This ensures that the lifting point and the center of gravity of the equipment after adsorbing the precast blocks are aligned vertically before lifting. This prevents tilting during lifting due to inconsistent center of gravity positions after adsorbing the precast blocks, reducing the probability of structural deformation or mechanical failure. It also prevents the precast blocks from slipping or the lifting equipment from malfunctioning due to center of gravity shift during lifting, which could injure personnel or damage surrounding equipment. The adsorption assembly also includes a solenoid valve 6 and a square block 7. The column is hollow inside and contains a pipe. The solenoid valve 6 is mounted on the pipe, with one end extending to the outside of the column. A tilting cylinder 10 is mounted on the suction cup frame 4. The tail of the tilting cylinder 10 is hinged to the frame 1, and the end of the tilting cylinder 10 is hinged to the suction cup frame 4. A vacuum chamber is opened inside the square block 7. One end of the pipe extends into the vacuum chamber and is connected to and communicates with the suction cup 5. There are four suction cup frames 4, arranged in pairs. Each pair of suction cup frames 4 has four sets of suction cups 5 below it. Through the combined use of the adsorption assembly, it is suitable for precast blocks of different sizes and shapes. The multiple sets of suction cups 5 can also increase the adsorption force and prevent them from falling. Compared with clamps, it causes the least damage to the surface and has a larger contact area, making it more secure and easier to unload. The combined use of the tilting cylinder 10 and the adsorption assembly can smoothly tilt the precast concrete blocks, avoiding collisions or falls, without the need for manual assistance.

[0018] Working principle: The square block 7 is connected to the vacuum pump via a connecting pipe. The vacuum pump is started, and air is extracted from the vacuum chamber of the square block 7 through a vacuum check valve, creating a vacuum cavity inside. The vacuum level is maintained above 80% by a digital vacuum gauge. When precast concrete blocks need to be adsorbed, the precast concrete block is moved to the designated position on the block using a flip-over lifting device. The vacuum solenoid valve 6 operates under system command, connecting the vacuum chamber of the square block 7 to the suction cup 5 via a pipe. Under vacuum, the gas inside the suction cup 5 is rapidly drawn into the vacuum chamber of the square block 7, and the precast concrete block is adsorbed onto the suction cup 5. Then, the center of gravity is adjusted, and under the action of the left and right hydraulic cylinders 9, rollers 13B, and guide wheels B14, the left and right slides 3 and the front and rear slides 2 can be moved together along the machine... The frame 1 moves left and right to a suitable position; under the action of the front and rear hydraulic cylinders 8, rollers 11A and guide wheels 12A, the front and rear slides 2 can be pushed to move back and forth to a suitable position. The lifting point is located on the front and rear slides 2. The movement of the front and rear slides 2 and the left and right slides 3 will adjust the position of the lifting point so that the lifting point and the center of gravity of the equipment after the precast block is adsorbed are on the same vertical line before lifting. After the concrete precast block is moved to the designated position, if it needs to be flipped, the flipping hydraulic cylinder 10 can be started, and the suction cup 5 can achieve the function of 90° flipping, so that the precast block adsorbed on the suction cup 5 can be flipped 90°. The concrete precast block is adjusted to a suitable installation position, and the vacuum solenoid valve 6 will complete the release action under the system control command. The vacuum solenoid valve 6 points to the release position, and air instantly enters the suction cup 5, and the concrete precast block immediately separates from the suction cup 5.

[0019] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A flip-over lifting tool for precast concrete blocks, characterized in that, include: The frame (1) includes a guide rail, columns and square blocks (7), wherein there are two sets of columns located on both sides of the square blocks (7); The adjustment assembly is set on the guide rail frame. The adjustment assembly includes front and rear slides (2), left and right slides (3), front and rear hydraulic cylinders (8) and left and right hydraulic cylinders (9). The tail of the left and right hydraulic cylinders (9) is hinged to the frame (1). The ends of the left and right hydraulic cylinders (9) are hinged to the left and right slides (3). The tail of the front and rear hydraulic cylinders (8) is hinged to the left and right slides (3). The ends of the front and rear hydraulic cylinders (8) are hinged to the front and rear slides (2). The adsorption components are set on the column. There are two sets of adsorption components located on both sides of the square block (7). The adsorption components include a suction cup frame (4) and a suction cup (5). The suction cup frame (4) is hinged to the column by a pin, and the suction cup (5) is installed on the suction cup frame (4) by bolts.

2. The reversible lifting device for precast concrete blocks according to claim 1, characterized in that: The adjustment assembly also includes roller A (11), guide wheel A (12), roller B (13) and guide wheel B (14). Two sets of guide wheels A (12) are fixedly installed on the front and rear sides of the front and rear slides (2). The guide wheels A (12) are slidably installed with the left and right slides (3). Rollers A (11) are fixedly installed on the front and rear sides of the front and rear slides (2). The rollers A (11) are slidably installed with the left and right slides (3). The guide wheels B (14) are fixedly installed at the bottom of the left and right slides (3). The guide wheels B (14) are slidably installed with the guide rail. Rollers B (13) are fixedly installed on both sides of the left and right slides (3). The rollers B (13) are slidably installed with the guide rail.

3. The reversible lifting device for precast concrete blocks according to claim 2, characterized in that: The adsorption assembly also includes a solenoid valve (6) and a square block (7). The inside of the column is hollow and a pipe is installed inside the column. The solenoid valve (6) is installed on the pipe and one end of the solenoid valve (6) extends to the outside of the column.

4. The reversible lifting device for precast concrete blocks according to claim 3, characterized in that: The suction cup frame (4) is provided with a tilting cylinder (10). The tail of the tilting cylinder (10) is hinged to the frame (1), and the end of the tilting cylinder (10) is hinged to the suction cup frame (4).

5. The reversible lifting device for precast concrete blocks according to claim 4, characterized in that: The square block (7) has a vacuum chamber inside, and one end of the pipe extends into the vacuum chamber. The other end of the pipe is connected to and communicates with the suction cup (5).

6. The reversible lifting device for precast concrete blocks according to claim 5, characterized in that: The number of suction cup frames (4) is four, and they are arranged in pairs.

7. The reversible lifting device for precast concrete blocks according to claim 6, characterized in that: Each set of suction cups (5) is provided below the suction cup frame (4).

Images